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Moved to google.golang.org/genproto/googleapis/api/annotations

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Fixes #52
This commit is contained in:
Valerio Gheri 2017-03-31 18:01:58 +02:00
parent 024c5a4e4e
commit c40779224f
2037 changed files with 831329 additions and 1854 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
examples/dummy/output/export.json
View File

@ -1,9 +1,9 @@
{ {
"build-date": "2016-12-20T11:30:36.474403064+01:00", "build-date": "2017-03-31T17:59:35.936239356+02:00",
"build-hostname": "Zoon-MacBook.local", "build-hostname": "Valerios-MacBook-Pro.local",
"build-user": "zoon", "build-user": "vgheri",
"go-pwd": "github.com/protoc-gen-gotemplate/examples/dummy", "go-pwd": "github.com/moul/protoc-gen-gotemplate/examples/dummy",
"pwd": "/Users/zoon/Projects/gopath/src/github.com/protoc-gen-gotemplate/examples/dummy", "pwd": "/Users/vgheri/go/src/github.com/moul/protoc-gen-gotemplate/examples/dummy",
"debug": false, "debug": false,
"destination-dir": ".", "destination-dir": ".",
"file": { "file": {
@ -842,40 +842,27 @@
] ]
}, },
"environment": [ "environment": [
"TERM_PROGRAM=iTerm.app", "TERM_PROGRAM=platformio-ide-terminal",
"ANDROID_HOME=/usr/local/opt/android-sdk",
"TERM=xterm-256color", "TERM=xterm-256color",
"SHELL=/bin/zsh", "SHELL=/bin/bash",
"MAKEFLAGS=", "MAKEFLAGS=",
"TMPDIR=/var/folders/sq/wlptrlpn4v52xv7xpsgw0fc80000gn/T/", "TMPDIR=/var/folders/9v/4b6h7ftd5ldfqv7gr82mbj340000gn/T/",
"Apple_PubSub_Socket_Render=/private/tmp/com.apple.launchd.q9vxeee00S/Render", "Apple_PubSub_Socket_Render=/private/tmp/com.apple.launchd.Zt6NPL5gZZ/Render",
"TERM_PROGRAM_VERSION=3.0.12", "USER=vgheri",
"TERM_SESSION_ID=w0t0p0:6D29EB08-1B96-41B8-8672-0B035605AEE5", "SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.UvxCW75B4v/Listeners",
"ZSH=/Users/zoon/.oh-my-zsh",
"USER=zoon",
"SSH_AUTH_SOCK=/private/tmp/com.apple.launchd.5ZcNGIwTRZ/Listeners",
"__CF_USER_TEXT_ENCODING=0x1F5:0x0:0x0", "__CF_USER_TEXT_ENCODING=0x1F5:0x0:0x0",
"MAKELEVEL=2", "MAKELEVEL=2",
"PAGER=less",
"MFLAGS=", "MFLAGS=",
"LSCOLORS=Gxfxcxdxbxegedabagacad", "PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/share/dotnet:/usr/local/go/bin:/usr/local/protoc/bin:/Users/vgheri/go/bin:/usr/local/protoc/bin:/Users/vgheri/go/bin",
"PATH=/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/zoon/Projects/gopath/bin", "_=/usr/local/protoc/bin/protoc",
"_=/usr/local/bin/protoc", "PWD=/Users/vgheri/go/src/github.com/moul/protoc-gen-gotemplate/examples/dummy",
"PWD=/Users/zoon/Projects/gopath/src/github.com/protoc-gen-gotemplate/examples/dummy",
"JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_112.jdk/Contents/Home",
"EDITOR=micro",
"LANG=en_US.UTF-8", "LANG=en_US.UTF-8",
"ANDROID_SDK=/usr/local/opt/android-sdk",
"ITERM_PROFILE=Default",
"XPC_FLAGS=0x0", "XPC_FLAGS=0x0",
"XPC_SERVICE_NAME=0", "XPC_SERVICE_NAME=0",
"COLORFGBG=15;0", "HISTCONTROL=ignoreboth:erasedups",
"SHLVL=3", "SHLVL=15",
"HOME=/Users/zoon", "HOME=/Users/vgheri",
"ITERM_SESSION_ID=w0t0p0:6D29EB08-1B96-41B8-8672-0B035605AEE5", "LOGNAME=vgheri",
"LESS=-R", "GOPATH=/Users/vgheri/go"
"LOGNAME=zoon",
"LC_CTYPE=UTF-8",
"GOPATH=/Users/zoon/Projects/gopath"
] ]
} }

46
examples/flow/output/test/test_grpc_js.js
View File

@ -55,13 +55,13 @@ export type TestMessage = {
setRList?: (r: Array<number>) => void; setRList?: (r: Array<number>) => void;
addR?: (r: number) => void; addR?: (r: number) => void;
clearRList?: () => void; clearRList?: () => void;
getU?: () => TestEnum; getU?: () => test$TestEnum;
setU?: (u: TestEnum) => void; setU?: (u: test$TestEnum) => void;
getV?: () => TestMessage$TestNestedEnum; getV?: () => test$TestMessage$TestNestedEnum;
setV?: (v: TestMessage$TestNestedEnum) => void; setV?: (v: test$TestMessage$TestNestedEnum) => void;
getWList?: () => Array<TestMessage$TestNestedMessage>; getWList?: () => Array<test$TestMessage$TestNestedMessage>;
setWList?: (w: Array<TestMessage$TestNestedMessage>) => void; setWList?: (w: Array<test$TestMessage$TestNestedMessage>) => void;
addW?: (w: TestMessage$TestNestedMessage) => void; addW?: (w: test$TestMessage$TestNestedMessage) => void;
clearWList?: () => void; clearWList?: () => void;
}; };
@ -70,8 +70,8 @@ export type TestMessage = {
export type TestNoStreamRequest = { export type TestNoStreamRequest = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
}; };
@ -81,8 +81,8 @@ export type TestNoStreamRequest = {
export type TestNoStreamReply = { export type TestNoStreamReply = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
getErrMsg?: () => string; getErrMsg?: () => string;
@ -94,8 +94,8 @@ export type TestNoStreamReply = {
export type TestStreamRequestRequest = { export type TestStreamRequestRequest = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
}; };
@ -105,8 +105,8 @@ export type TestStreamRequestRequest = {
export type TestStreamRequestReply = { export type TestStreamRequestReply = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
getErrMsg?: () => string; getErrMsg?: () => string;
@ -118,8 +118,8 @@ export type TestStreamRequestReply = {
export type TestStreamReplyRequest = { export type TestStreamReplyRequest = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
}; };
@ -129,8 +129,8 @@ export type TestStreamReplyRequest = {
export type TestStreamReplyReply = { export type TestStreamReplyReply = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
getErrMsg?: () => string; getErrMsg?: () => string;
@ -142,8 +142,8 @@ export type TestStreamReplyReply = {
export type TestStreamBothRequest = { export type TestStreamBothRequest = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
}; };
@ -153,8 +153,8 @@ export type TestStreamBothRequest = {
export type TestStreamBothReply = { export type TestStreamBothReply = {
getMessage?: () => TestMessage; getMessage?: () => test$TestMessage;
setMessage?: (message: TestMessage) => void; setMessage?: (message: test$TestMessage) => void;
clearMessage?: () => void; clearMessage?: () => void;
hasMessage?: () => boolean; hasMessage?: () => boolean;
getErrMsg?: () => string; getErrMsg?: () => string;

2
examples/go-kit/services/session/gen/pb/pb.go
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@ -163,7 +163,7 @@ func init() { proto.RegisterFile("services/session/session.proto", fileDescripto
var fileDescriptor0 = []byte{ var fileDescriptor0 = []byte{
// 188 bytes of a gzipped FileDescriptorProto // 188 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x2b, 0x4e, 0x2d, 0x2a, 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x92, 0x2b, 0x4e, 0x2d, 0x2a,
0xcb, 0x4c, 0x4e, 0x2d, 0xd6, 0x2f, 0x4e, 0x2d, 0x2e, 0xce, 0xcc, 0xcf, 0x83, 0xd1, 0x7a, 0x05, 0xcb, 0x4c, 0x4e, 0x2d, 0xd6, 0x2f, 0x4e, 0x2d, 0x2e, 0xce, 0xcc, 0xcf, 0x83, 0xd1, 0x7a, 0x05,
0x45, 0xf9, 0x25, 0xf9, 0x42, 0xec, 0x50, 0xae, 0x92, 0x1b, 0x17, 0x8f, 0x4f, 0x7e, 0x7a, 0x66, 0x45, 0xf9, 0x25, 0xf9, 0x42, 0xec, 0x50, 0xae, 0x92, 0x1b, 0x17, 0x8f, 0x4f, 0x7e, 0x7a, 0x66,
0x5e, 0x50, 0x6a, 0x61, 0x69, 0x6a, 0x71, 0x89, 0x90, 0x14, 0x17, 0x47, 0x69, 0x71, 0x6a, 0x51, 0x5e, 0x50, 0x6a, 0x61, 0x69, 0x6a, 0x71, 0x89, 0x90, 0x14, 0x17, 0x47, 0x69, 0x71, 0x6a, 0x51,

2
examples/go-kit/services/sprint/gen/pb/pb.go
View File

@ -335,7 +335,7 @@ func init() { proto.RegisterFile("services/sprint/sprint.proto", fileDescriptor0
var fileDescriptor0 = []byte{ var fileDescriptor0 = []byte{
// 290 bytes of a gzipped FileDescriptorProto // 290 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x52, 0x4d, 0x4b, 0xc3, 0x40, 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xac, 0x52, 0x4d, 0x4b, 0xc3, 0x40,
0x10, 0x6d, 0xaa, 0x44, 0x32, 0xa5, 0xa5, 0x1d, 0x0f, 0xc6, 0xa8, 0x20, 0x8b, 0x14, 0x4f, 0x11, 0x10, 0x6d, 0xaa, 0x44, 0x32, 0xa5, 0xa5, 0x1d, 0x0f, 0xc6, 0xa8, 0x20, 0x8b, 0x14, 0x4f, 0x11,
0xea, 0x2f, 0x68, 0x3d, 0x28, 0x88, 0x97, 0xb4, 0xf7, 0x12, 0xbb, 0x43, 0x09, 0xd8, 0x24, 0xee, 0xea, 0x2f, 0x68, 0x3d, 0x28, 0x88, 0x97, 0xb4, 0xf7, 0x12, 0xbb, 0x43, 0x09, 0xd8, 0x24, 0xee,
0xac, 0xfe, 0x5f, 0xff, 0x89, 0xb0, 0xbb, 0xcd, 0x57, 0x8b, 0x27, 0x4f, 0xc9, 0xec, 0xbc, 0x7d, 0xac, 0xfe, 0x5f, 0xff, 0x89, 0xb0, 0xbb, 0xcd, 0x57, 0x8b, 0x27, 0x4f, 0xc9, 0xec, 0xbc, 0x7d,

2
examples/go-kit/services/user/gen/pb/pb.go
View File

@ -258,7 +258,7 @@ func init() { proto.RegisterFile("services/user/user.proto", fileDescriptor0) }
var fileDescriptor0 = []byte{ var fileDescriptor0 = []byte{
// 236 bytes of a gzipped FileDescriptorProto // 236 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x92, 0x28, 0x4e, 0x2d, 0x2a, 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x92, 0x28, 0x4e, 0x2d, 0x2a,
0xcb, 0x4c, 0x4e, 0x2d, 0xd6, 0x2f, 0x2d, 0x4e, 0x2d, 0x02, 0x13, 0x7a, 0x05, 0x45, 0xf9, 0x25, 0xcb, 0x4c, 0x4e, 0x2d, 0xd6, 0x2f, 0x2d, 0x4e, 0x2d, 0x02, 0x13, 0x7a, 0x05, 0x45, 0xf9, 0x25,
0xf9, 0x42, 0x2c, 0x20, 0xb6, 0x92, 0x3a, 0x97, 0xa0, 0x73, 0x51, 0x6a, 0x62, 0x49, 0x6a, 0x68, 0xf9, 0x42, 0x2c, 0x20, 0xb6, 0x92, 0x3a, 0x97, 0xa0, 0x73, 0x51, 0x6a, 0x62, 0x49, 0x6a, 0x68,
0x71, 0x6a, 0x51, 0x50, 0x6a, 0x61, 0x69, 0x6a, 0x71, 0x89, 0x90, 0x10, 0x17, 0x4b, 0x5e, 0x62, 0x71, 0x6a, 0x51, 0x50, 0x6a, 0x61, 0x69, 0x6a, 0x71, 0x89, 0x90, 0x10, 0x17, 0x4b, 0x5e, 0x62,

6
examples/sitemap/sitemap.xml
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@ -4,18 +4,18 @@
<loc>/posts</loc> <loc>/posts</loc>
<priority>0.5</priority> <priority>0.5</priority>
<changefreq>monthly</changefreq> <changefreq>monthly</changefreq>
<lastmod>2017-03-16</lastmod> <lastmod>2017-03-31</lastmod>
</url> </url>
<url> <url>
<loc>/authors</loc> <loc>/authors</loc>
<priority>0.5</priority> <priority>0.5</priority>
<changefreq>monthly</changefreq> <changefreq>monthly</changefreq>
<lastmod>2017-03-16</lastmod> <lastmod>2017-03-31</lastmod>
</url> </url>
<url> <url>
<loc>/comments</loc> <loc>/comments</loc>
<priority>0.5</priority> <priority>0.5</priority>
<changefreq>monthly</changefreq> <changefreq>monthly</changefreq>
<lastmod>2017-03-16</lastmod> <lastmod>2017-03-31</lastmod>
</url> </url>
</urlset> </urlset>

73
glide.lock generated
View File

@ -1,21 +1,86 @@
hash: 488701437e53b39667ed5a84ed1500e727ea8d4902d804c3ea7eb50b1fc022a1 hash: 952872c40b8721f6bcd8bc1eab4f174aa0aebc5e8d9acb70ecdffb91068845b5
updated: 2016-12-21T10:24:42.512734471+01:00 updated: 2017-03-31T17:55:29.337081111+02:00
imports: imports:
- name: github.com/aokoli/goutils - name: github.com/aokoli/goutils
version: 9c37978a95bd5c709a15883b6242714ea6709e64 version: 9c37978a95bd5c709a15883b6242714ea6709e64
- name: github.com/dgrijalva/jwt-go
version: d2709f9f1f31ebcda9651b03077758c1f3a0018c
- name: github.com/go-kit/kit
version: fadad6fffe0466b19df9efd9acde5c9a52df5fa4
subpackages:
- auth/jwt
- endpoint
- log
- transport/grpc
- transport/http
- name: github.com/go-logfmt/logfmt
version: 390ab7935ee28ec6b286364bba9b4dd6410cb3d5
- name: github.com/go-stack/stack
version: 100eb0c0a9c5b306ca2fb4f165df21d80ada4b82
- name: github.com/golang/protobuf - name: github.com/golang/protobuf
version: 8ee79997227bf9b34611aee7946ae64735e6fd93 version: 2bba0603135d7d7f5cb73b2125beeda19c09f4ef
subpackages: subpackages:
- proto - proto
- protoc-gen-go/descriptor - protoc-gen-go/descriptor
- protoc-gen-go/generator - protoc-gen-go/generator
- protoc-gen-go/plugin - protoc-gen-go/plugin
- name: github.com/gorilla/handlers
version: 13d73096a474cac93275c679c7b8a2dc17ddba82
- name: github.com/grpc-ecosystem/grpc-gateway
version: 18d159699f2e83fc5bb9ef2f79465ca3f3122676
subpackages:
- third_party/googleapis/google/api
- name: github.com/huandu/xstrings - name: github.com/huandu/xstrings
version: 3959339b333561bf62a38b424fd41517c2c90f40 version: 3959339b333561bf62a38b424fd41517c2c90f40
- name: github.com/kr/fs - name: github.com/kr/fs
version: 2788f0dbd16903de03cb8186e5c7d97b69ad387b version: 2788f0dbd16903de03cb8186e5c7d97b69ad387b
- name: github.com/kr/logfmt
version: b84e30acd515aadc4b783ad4ff83aff3299bdfe0
- name: github.com/Masterminds/semver
version: 59c29afe1a994eacb71c833025ca7acf874bb1da
- name: github.com/Masterminds/sprig - name: github.com/Masterminds/sprig
version: 69011c0cd9b4d2e0733c4d9e2c8e2a5a0d0a2f2f version: cd9291e11ed2b78cdc1991bdd3e8adf51d6236bb
- name: github.com/satori/go.uuid - name: github.com/satori/go.uuid
version: 879c5887cd475cd7864858769793b2ceb0d44feb version: 879c5887cd475cd7864858769793b2ceb0d44feb
- name: golang.org/x/crypto
version: 3cb07270c9455e8ad27956a70891c962d121a228
subpackages:
- pbkdf2
- scrypt
- name: golang.org/x/net
version: ffcf1bedda3b04ebb15a168a59800a73d6dc0f4d
subpackages:
- context
- context/ctxhttp
- http2
- http2/hpack
- idna
- internal/timeseries
- lex/httplex
- trace
- name: golang.org/x/text
version: c3b0cbb40eb9a862fdc91f79bed8c7ac8e7a36e8
subpackages:
- secure/bidirule
- transform
- unicode/bidi
- unicode/norm
- name: google.golang.org/genproto
version: de9f5e90fe9b278809363f08c2072d2f2a429de7
subpackages:
- googleapis/api/annotations
- name: google.golang.org/grpc
version: cdee119ee21e61eef7093a41ba148fa83585e143
subpackages:
- codes
- credentials
- grpclog
- internal
- keepalive
- metadata
- naming
- peer
- stats
- tap
- transport
testImports: [] testImports: []

3
glide.yaml
View File

@ -9,3 +9,6 @@ import:
- package: github.com/kr/fs - package: github.com/kr/fs
- package: github.com/Masterminds/sprig - package: github.com/Masterminds/sprig
- package: github.com/huandu/xstrings - package: github.com/huandu/xstrings
- package: google.golang.org/genproto
subpackages:
- googleapis/api/annotations

2
helpers.go
View File

@ -11,7 +11,7 @@ import (
"github.com/golang/protobuf/proto" "github.com/golang/protobuf/proto"
"github.com/golang/protobuf/protoc-gen-go/descriptor" "github.com/golang/protobuf/protoc-gen-go/descriptor"
options "github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis/google/api" options "google.golang.org/genproto/googleapis/api/annotations"
) )
var ProtoHelpersFuncMap = template.FuncMap{ var ProtoHelpersFuncMap = template.FuncMap{

25
vendor/github.com/Masterminds/semver/.travis.yml generated vendored Normal file
View File

@ -0,0 +1,25 @@
language: go
go:
- 1.5
- 1.6
- 1.7
- tip
# Setting sudo access to false will let Travis CI use containers rather than
# VMs to run the tests. For more details see:
# - http://docs.travis-ci.com/user/workers/container-based-infrastructure/
# - http://docs.travis-ci.com/user/workers/standard-infrastructure/
sudo: false
script:
- GO15VENDOREXPERIMENT=1 make setup
- GO15VENDOREXPERIMENT=1 make test
notifications:
webhooks:
urls:
- https://webhooks.gitter.im/e/06e3328629952dabe3e0
on_success: change # options: [always|never|change] default: always
on_failure: always # options: [always|never|change] default: always
on_start: never # options: [always|never|change] default: always

45
vendor/github.com/Masterminds/semver/CHANGELOG.md generated vendored Normal file
View File

@ -0,0 +1,45 @@
# Release 1.2.2 (2016-12-13)
## Fixed
- #34: Fixed issue where hyphen range was not working with pre-release parsing.
# Release 1.2.1 (2016-11-28)
## Fixed
- #24: Fixed edge case issue where constraint "> 0" does not handle "0.0.1-alpha"
properly.
# Release 1.2.0 (2016-11-04)
## Added
- #20: Added MustParse function for versions (thanks @adamreese)
- #15: Added increment methods on versions (thanks @mh-cbon)
## Fixed
- Issue #21: Per the SemVer spec (section 9) a pre-release is unstable and
might not satisfy the intended compatibility. The change here ignores pre-releases
on constraint checks (e.g., ~ or ^) when a pre-release is not part of the
constraint. For example, `^1.2.3` will ignore pre-releases while
`^1.2.3-alpha` will include them.
# Release 1.1.1 (2016-06-30)
## Changed
- Issue #9: Speed up version comparison performance (thanks @sdboyer)
- Issue #8: Added benchmarks (thanks @sdboyer)
- Updated Go Report Card URL to new location
- Updated Readme to add code snippet formatting (thanks @mh-cbon)
- Updating tagging to v[SemVer] structure for compatibility with other tools.
# Release 1.1.0 (2016-03-11)
- Issue #2: Implemented validation to provide reasons a versions failed a
constraint.
# Release 1.0.1 (2015-12-31)
- Fixed #1: * constraint failing on valid versions.
# Release 1.0.0 (2015-10-20)
- Initial release

20
vendor/github.com/Masterminds/semver/LICENSE.txt generated vendored Normal file
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@ -0,0 +1,20 @@
The Masterminds
Copyright (C) 2014-2015, Matt Butcher and Matt Farina
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

36
vendor/github.com/Masterminds/semver/Makefile generated vendored Normal file
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.PHONY: setup
setup:
go get -u gopkg.in/alecthomas/gometalinter.v1
gometalinter.v1 --install
.PHONY: test
test: validate lint
@echo "==> Running tests"
go test -v
.PHONY: validate
validate:
@echo "==> Running static validations"
@gometalinter.v1 \
--disable-all \
--enable deadcode \
--severity deadcode:error \
--enable gofmt \
--enable gosimple \
--enable ineffassign \
--enable misspell \
--enable vet \
--tests \
--vendor \
--deadline 60s \
./... || exit_code=1
.PHONY: lint
lint:
@echo "==> Running linters"
@gometalinter.v1 \
--disable-all \
--enable golint \
--vendor \
--deadline 60s \
./... || :

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# SemVer
The `semver` package provides the ability to work with [Semantic Versions](http://semver.org) in Go. Specifically it provides the ability to:
* Parse semantic versions
* Sort semantic versions
* Check if a semantic version fits within a set of constraints
* Optionally work with a `v` prefix
[![Build Status](https://travis-ci.org/Masterminds/semver.svg)](https://travis-ci.org/Masterminds/semver) [![Build status](https://ci.appveyor.com/api/projects/status/jfk66lib7hb985k8/branch/master?svg=true&passingText=windows%20build%20passing&failingText=windows%20build%20failing)](https://ci.appveyor.com/project/mattfarina/semver/branch/master) [![GoDoc](https://godoc.org/github.com/Masterminds/semver?status.png)](https://godoc.org/github.com/Masterminds/semver) [![Go Report Card](https://goreportcard.com/badge/github.com/Masterminds/semver)](https://goreportcard.com/report/github.com/Masterminds/semver)
## Parsing Semantic Versions
To parse a semantic version use the `NewVersion` function. For example,
```go
v, err := semver.NewVersion("1.2.3-beta.1+build345")
```
If there is an error the version wasn't parseable. The version object has methods
to get the parts of the version, compare it to other versions, convert the
version back into a string, and get the original string. For more details
please see the [documentation](https://godoc.org/github.com/Masterminds/semver).
## Sorting Semantic Versions
A set of versions can be sorted using the [`sort`](https://golang.org/pkg/sort/)
package from the standard library. For example,
```go
raw := []string{"1.2.3", "1.0", "1.3", "2", "0.4.2",}
vs := make([]*semver.Version, len(raw))
for i, r := range raw {
v, err := semver.NewVersion(r)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
vs[i] = v
}
sort.Sort(semver.Collection(vs))
```
## Checking Version Constraints
Checking a version against version constraints is one of the most featureful
parts of the package.
```go
c, err := semver.NewConstraint(">= 1.2.3")
if err != nil {
// Handle constraint not being parseable.
}
v, _ := semver.NewVersion("1.3")
if err != nil {
// Handle version not being parseable.
}
// Check if the version meets the constraints. The a variable will be true.
a := c.Check(v)
```
## Basic Comparisons
There are two elements to the comparisons. First, a comparison string is a list
of comma separated and comparisons. These are then separated by || separated or
comparisons. For example, `">= 1.2, < 3.0.0 || >= 4.2.3"` is looking for a
comparison that's greater than or equal to 1.2 and less than 3.0.0 or is
greater than or equal to 4.2.3.
The basic comparisons are:
* `=`: equal (aliased to no operator)
* `!=`: not equal
* `>`: greater than
* `<`: less than
* `>=`: greater than or equal to
* `<=`: less than or equal to
_Note, according to the Semantic Version specification pre-releases may not be
API compliant with their release counterpart. It says,_
> _A pre-release version indicates that the version is unstable and might not satisfy the intended compatibility requirements as denoted by its associated normal version._
_SemVer comparisons without a pre-release value will skip pre-release versions.
For example, `>1.2.3` will skip pre-releases when looking at a list of values
while `>1.2.3-alpha.1` will evaluate pre-releases._
## Hyphen Range Comparisons
There are multiple methods to handle ranges and the first is hyphens ranges.
These look like:
* `1.2 - 1.4.5` which is equivalent to `>= 1.2, <= 1.4.5`
* `2.3.4 - 4.5` which is equivalent to `>= 2.3.4, <= 4.5`
## Wildcards In Comparisons
The `x`, `X`, and `*` characters can be used as a wildcard character. This works
for all comparison operators. When used on the `=` operator it falls
back to the pack level comparison (see tilde below). For example,
* `1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
* `>= 1.2.x` is equivalent to `>= 1.2.0`
* `<= 2.x` is equivalent to `<= 3`
* `*` is equivalent to `>= 0.0.0`
## Tilde Range Comparisons (Patch)
The tilde (`~`) comparison operator is for patch level ranges when a minor
version is specified and major level changes when the minor number is missing.
For example,
* `~1.2.3` is equivalent to `>= 1.2.3, < 1.3.0`
* `~1` is equivalent to `>= 1, < 2`
* `~2.3` is equivalent to `>= 2.3, < 2.4`
* `~1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
* `~1.x` is equivalent to `>= 1, < 2`
## Caret Range Comparisons (Major)
The caret (`^`) comparison operator is for major level changes. This is useful
when comparisons of API versions as a major change is API breaking. For example,
* `^1.2.3` is equivalent to `>= 1.2.3, < 2.0.0`
* `^1.2.x` is equivalent to `>= 1.2.0, < 2.0.0`
* `^2.3` is equivalent to `>= 2.3, < 3`
* `^2.x` is equivalent to `>= 2.0.0, < 3`
# Validation
In addition to testing a version against a constraint, a version can be validated
against a constraint. When validation fails a slice of errors containing why a
version didn't meet the constraint is returned. For example,
```go
c, err := semver.NewConstraint("<= 1.2.3, >= 1.4")
if err != nil {
// Handle constraint not being parseable.
}
v, _ := semver.NewVersion("1.3")
if err != nil {
// Handle version not being parseable.
}
// Validate a version against a constraint.
a, msgs := c.Validate(v)
// a is false
for _, m := range msgs {
fmt.Println(m)
// Loops over the errors which would read
// "1.3 is greater than 1.2.3"
// "1.3 is less than 1.4"
}
```
# Contribute
If you find an issue or want to contribute please file an [issue](https://github.com/Masterminds/semver/issues)
or [create a pull request](https://github.com/Masterminds/semver/pulls).

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version: build-{build}.{branch}
clone_folder: C:\gopath\src\github.com\Masterminds\semver
shallow_clone: true
environment:
GOPATH: C:\gopath
platform:
- x64
install:
- go version
- go env
- go get -u gopkg.in/alecthomas/gometalinter.v1
- set PATH=%PATH%;%GOPATH%\bin
- gometalinter.v1.exe --install
build_script:
- go install -v ./...
test_script:
- "gometalinter.v1 \
--disable-all \
--enable deadcode \
--severity deadcode:error \
--enable gofmt \
--enable gosimple \
--enable ineffassign \
--enable misspell \
--enable vet \
--tests \
--vendor \
--deadline 60s \
./... || exit_code=1"
- "gometalinter.v1 \
--disable-all \
--enable golint \
--vendor \
--deadline 60s \
./... || :"
- go test -v
deploy: off

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package semver_test
import (
"testing"
"github.com/Masterminds/semver"
)
/* Constraint creation benchmarks */
func benchNewConstraint(c string, b *testing.B) {
for i := 0; i < b.N; i++ {
semver.NewConstraint(c)
}
}
func BenchmarkNewConstraintUnary(b *testing.B) {
benchNewConstraint("=2.0", b)
}
func BenchmarkNewConstraintTilde(b *testing.B) {
benchNewConstraint("~2.0.0", b)
}
func BenchmarkNewConstraintCaret(b *testing.B) {
benchNewConstraint("^2.0.0", b)
}
func BenchmarkNewConstraintWildcard(b *testing.B) {
benchNewConstraint("1.x", b)
}
func BenchmarkNewConstraintRange(b *testing.B) {
benchNewConstraint(">=2.1.x, <3.1.0", b)
}
func BenchmarkNewConstraintUnion(b *testing.B) {
benchNewConstraint("~2.0.0 || =3.1.0", b)
}
/* Check benchmarks */
func benchCheckVersion(c, v string, b *testing.B) {
version, _ := semver.NewVersion(v)
constraint, _ := semver.NewConstraint(c)
for i := 0; i < b.N; i++ {
constraint.Check(version)
}
}
func BenchmarkCheckVersionUnary(b *testing.B) {
benchCheckVersion("=2.0", "2.0.0", b)
}
func BenchmarkCheckVersionTilde(b *testing.B) {
benchCheckVersion("~2.0.0", "2.0.5", b)
}
func BenchmarkCheckVersionCaret(b *testing.B) {
benchCheckVersion("^2.0.0", "2.1.0", b)
}
func BenchmarkCheckVersionWildcard(b *testing.B) {
benchCheckVersion("1.x", "1.4.0", b)
}
func BenchmarkCheckVersionRange(b *testing.B) {
benchCheckVersion(">=2.1.x, <3.1.0", "2.4.5", b)
}
func BenchmarkCheckVersionUnion(b *testing.B) {
benchCheckVersion("~2.0.0 || =3.1.0", "3.1.0", b)
}
func benchValidateVersion(c, v string, b *testing.B) {
version, _ := semver.NewVersion(v)
constraint, _ := semver.NewConstraint(c)
for i := 0; i < b.N; i++ {
constraint.Validate(version)
}
}
/* Validate benchmarks, including fails */
func BenchmarkValidateVersionUnary(b *testing.B) {
benchValidateVersion("=2.0", "2.0.0", b)
}
func BenchmarkValidateVersionUnaryFail(b *testing.B) {
benchValidateVersion("=2.0", "2.0.1", b)
}
func BenchmarkValidateVersionTilde(b *testing.B) {
benchValidateVersion("~2.0.0", "2.0.5", b)
}
func BenchmarkValidateVersionTildeFail(b *testing.B) {
benchValidateVersion("~2.0.0", "1.0.5", b)
}
func BenchmarkValidateVersionCaret(b *testing.B) {
benchValidateVersion("^2.0.0", "2.1.0", b)
}
func BenchmarkValidateVersionCaretFail(b *testing.B) {
benchValidateVersion("^2.0.0", "4.1.0", b)
}
func BenchmarkValidateVersionWildcard(b *testing.B) {
benchValidateVersion("1.x", "1.4.0", b)
}
func BenchmarkValidateVersionWildcardFail(b *testing.B) {
benchValidateVersion("1.x", "2.4.0", b)
}
func BenchmarkValidateVersionRange(b *testing.B) {
benchValidateVersion(">=2.1.x, <3.1.0", "2.4.5", b)
}
func BenchmarkValidateVersionRangeFail(b *testing.B) {
benchValidateVersion(">=2.1.x, <3.1.0", "1.4.5", b)
}
func BenchmarkValidateVersionUnion(b *testing.B) {
benchValidateVersion("~2.0.0 || =3.1.0", "3.1.0", b)
}
func BenchmarkValidateVersionUnionFail(b *testing.B) {
benchValidateVersion("~2.0.0 || =3.1.0", "3.1.1", b)
}
/* Version creation benchmarks */
func benchNewVersion(v string, b *testing.B) {
for i := 0; i < b.N; i++ {
semver.NewVersion(v)
}
}
func BenchmarkNewVersionSimple(b *testing.B) {
benchNewVersion("1.0.0", b)
}
func BenchmarkNewVersionPre(b *testing.B) {
benchNewVersion("1.0.0-alpha", b)
}
func BenchmarkNewVersionMeta(b *testing.B) {
benchNewVersion("1.0.0+metadata", b)
}
func BenchmarkNewVersionMetaDash(b *testing.B) {
benchNewVersion("1.0.0+metadata-dash", b)
}

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vendor/github.com/Masterminds/semver/collection.go generated vendored Normal file
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package semver
// Collection is a collection of Version instances and implements the sort
// interface. See the sort package for more details.
// https://golang.org/pkg/sort/
type Collection []*Version
// Len returns the length of a collection. The number of Version instances
// on the slice.
func (c Collection) Len() int {
return len(c)
}
// Less is needed for the sort interface to compare two Version objects on the
// slice. If checks if one is less than the other.
func (c Collection) Less(i, j int) bool {
return c[i].LessThan(c[j])
}
// Swap is needed for the sort interface to replace the Version objects
// at two different positions in the slice.
func (c Collection) Swap(i, j int) {
c[i], c[j] = c[j], c[i]
}

46
vendor/github.com/Masterminds/semver/collection_test.go generated vendored Normal file
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package semver
import (
"reflect"
"sort"
"testing"
)
func TestCollection(t *testing.T) {
raw := []string{
"1.2.3",
"1.0",
"1.3",
"2",
"0.4.2",
}
vs := make([]*Version, len(raw))
for i, r := range raw {
v, err := NewVersion(r)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
vs[i] = v
}
sort.Sort(Collection(vs))
e := []string{
"0.4.2",
"1.0.0",
"1.2.3",
"1.3.0",
"2.0.0",
}
a := make([]string, len(vs))
for i, v := range vs {
a[i] = v.String()
}
if !reflect.DeepEqual(a, e) {
t.Error("Sorting Collection failed")
}
}

421
vendor/github.com/Masterminds/semver/constraints.go generated vendored Normal file
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package semver
import (
"errors"
"fmt"
"regexp"
"strings"
)
// Constraints is one or more constraint that a semantic version can be
// checked against.
type Constraints struct {
constraints [][]*constraint
}
// NewConstraint returns a Constraints instance that a Version instance can
// be checked against. If there is a parse error it will be returned.
func NewConstraint(c string) (*Constraints, error) {
// Rewrite - ranges into a comparison operation.
c = rewriteRange(c)
ors := strings.Split(c, "||")
or := make([][]*constraint, len(ors))
for k, v := range ors {
cs := strings.Split(v, ",")
result := make([]*constraint, len(cs))
for i, s := range cs {
pc, err := parseConstraint(s)
if err != nil {
return nil, err
}
result[i] = pc
}
or[k] = result
}
o := &Constraints{constraints: or}
return o, nil
}
// Check tests if a version satisfies the constraints.
func (cs Constraints) Check(v *Version) bool {
// loop over the ORs and check the inner ANDs
for _, o := range cs.constraints {
joy := true
for _, c := range o {
if !c.check(v) {
joy = false
break
}
}
if joy {
return true
}
}
return false
}
// Validate checks if a version satisfies a constraint. If not a slice of
// reasons for the failure are returned in addition to a bool.
func (cs Constraints) Validate(v *Version) (bool, []error) {
// loop over the ORs and check the inner ANDs
var e []error
for _, o := range cs.constraints {
joy := true
for _, c := range o {
if !c.check(v) {
em := fmt.Errorf(c.msg, v, c.orig)
e = append(e, em)
joy = false
}
}
if joy {
return true, []error{}
}
}
return false, e
}
var constraintOps map[string]cfunc
var constraintMsg map[string]string
var constraintRegex *regexp.Regexp
func init() {
constraintOps = map[string]cfunc{
"": constraintTildeOrEqual,
"=": constraintTildeOrEqual,
"!=": constraintNotEqual,
">": constraintGreaterThan,
"<": constraintLessThan,
">=": constraintGreaterThanEqual,
"=>": constraintGreaterThanEqual,
"<=": constraintLessThanEqual,
"=<": constraintLessThanEqual,
"~": constraintTilde,
"~>": constraintTilde,
"^": constraintCaret,
}
constraintMsg = map[string]string{
"": "%s is not equal to %s",
"=": "%s is not equal to %s",
"!=": "%s is equal to %s",
">": "%s is less than or equal to %s",
"<": "%s is greater than or equal to %s",
">=": "%s is less than %s",
"=>": "%s is less than %s",
"<=": "%s is greater than %s",
"=<": "%s is greater than %s",
"~": "%s does not have same major and minor version as %s",
"~>": "%s does not have same major and minor version as %s",
"^": "%s does not have same major version as %s",
}
ops := make([]string, 0, len(constraintOps))
for k := range constraintOps {
ops = append(ops, regexp.QuoteMeta(k))
}
constraintRegex = regexp.MustCompile(fmt.Sprintf(
`^\s*(%s)\s*(%s)\s*$`,
strings.Join(ops, "|"),
cvRegex))
constraintRangeRegex = regexp.MustCompile(fmt.Sprintf(
`\s*(%s)\s+-\s+(%s)\s*`,
cvRegex, cvRegex))
}
// An individual constraint
type constraint struct {
// The callback function for the restraint. It performs the logic for
// the constraint.
function cfunc
msg string
// The version used in the constraint check. For example, if a constraint
// is '<= 2.0.0' the con a version instance representing 2.0.0.
con *Version
// The original parsed version (e.g., 4.x from != 4.x)
orig string
// When an x is used as part of the version (e.g., 1.x)
minorDirty bool
dirty bool
}
// Check if a version meets the constraint
func (c *constraint) check(v *Version) bool {
return c.function(v, c)
}
type cfunc func(v *Version, c *constraint) bool
func parseConstraint(c string) (*constraint, error) {
m := constraintRegex.FindStringSubmatch(c)
if m == nil {
return nil, fmt.Errorf("improper constraint: %s", c)
}
ver := m[2]
orig := ver
minorDirty := false
dirty := false
if isX(m[3]) {
ver = "0.0.0"
dirty = true
} else if isX(strings.TrimPrefix(m[4], ".")) {
minorDirty = true
dirty = true
ver = fmt.Sprintf("%s.0.0%s", m[3], m[6])
} else if isX(strings.TrimPrefix(m[5], ".")) {
dirty = true
ver = fmt.Sprintf("%s%s.0%s", m[3], m[4], m[6])
}
con, err := NewVersion(ver)
if err != nil {
// The constraintRegex should catch any regex parsing errors. So,
// we should never get here.
return nil, errors.New("constraint Parser Error")
}
cs := &constraint{
function: constraintOps[m[1]],
msg: constraintMsg[m[1]],
con: con,
orig: orig,
minorDirty: minorDirty,
dirty: dirty,
}
return cs, nil
}
// Constraint functions
func constraintNotEqual(v *Version, c *constraint) bool {
if c.dirty {
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
if c.con.Major() != v.Major() {
return true
}
if c.con.Minor() != v.Minor() && !c.minorDirty {
return true
} else if c.minorDirty {
return false
}
return false
}
return !v.Equal(c.con)
}
func constraintGreaterThan(v *Version, c *constraint) bool {
// An edge case the constraint is 0.0.0 and the version is 0.0.0-someprerelease
// exists. This that case.
if !isNonZero(c.con) && isNonZero(v) {
return true
}
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
return v.Compare(c.con) == 1
}
func constraintLessThan(v *Version, c *constraint) bool {
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
if !c.dirty {
return v.Compare(c.con) < 0
}
if v.Major() > c.con.Major() {
return false
} else if v.Minor() > c.con.Minor() && !c.minorDirty {
return false
}
return true
}
func constraintGreaterThanEqual(v *Version, c *constraint) bool {
// An edge case the constraint is 0.0.0 and the version is 0.0.0-someprerelease
// exists. This that case.
if !isNonZero(c.con) && isNonZero(v) {
return true
}
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
return v.Compare(c.con) >= 0
}
func constraintLessThanEqual(v *Version, c *constraint) bool {
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
if !c.dirty {
return v.Compare(c.con) <= 0
}
if v.Major() > c.con.Major() {
return false
} else if v.Minor() > c.con.Minor() && !c.minorDirty {
return false
}
return true
}
// ~*, ~>* --> >= 0.0.0 (any)
// ~2, ~2.x, ~2.x.x, ~>2, ~>2.x ~>2.x.x --> >=2.0.0, <3.0.0
// ~2.0, ~2.0.x, ~>2.0, ~>2.0.x --> >=2.0.0, <2.1.0
// ~1.2, ~1.2.x, ~>1.2, ~>1.2.x --> >=1.2.0, <1.3.0
// ~1.2.3, ~>1.2.3 --> >=1.2.3, <1.3.0
// ~1.2.0, ~>1.2.0 --> >=1.2.0, <1.3.0
func constraintTilde(v *Version, c *constraint) bool {
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
if v.LessThan(c.con) {
return false
}
// ~0.0.0 is a special case where all constraints are accepted. It's
// equivalent to >= 0.0.0.
if c.con.Major() == 0 && c.con.Minor() == 0 && c.con.Patch() == 0 {
return true
}
if v.Major() != c.con.Major() {
return false
}
if v.Minor() != c.con.Minor() && !c.minorDirty {
return false
}
return true
}
// When there is a .x (dirty) status it automatically opts in to ~. Otherwise
// it's a straight =
func constraintTildeOrEqual(v *Version, c *constraint) bool {
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
if c.dirty {
c.msg = constraintMsg["~"]
return constraintTilde(v, c)
}
return v.Equal(c.con)
}
// ^* --> (any)
// ^2, ^2.x, ^2.x.x --> >=2.0.0, <3.0.0
// ^2.0, ^2.0.x --> >=2.0.0, <3.0.0
// ^1.2, ^1.2.x --> >=1.2.0, <2.0.0
// ^1.2.3 --> >=1.2.3, <2.0.0
// ^1.2.0 --> >=1.2.0, <2.0.0
func constraintCaret(v *Version, c *constraint) bool {
// If there is a pre-release on the version but the constraint isn't looking
// for them assume that pre-releases are not compatible. See issue 21 for
// more details.
if v.Prerelease() != "" && c.con.Prerelease() == "" {
return false
}
if v.LessThan(c.con) {
return false
}
if v.Major() != c.con.Major() {
return false
}
return true
}
var constraintRangeRegex *regexp.Regexp
const cvRegex string = `v?([0-9|x|X|\*]+)(\.[0-9|x|X|\*]+)?(\.[0-9|x|X|\*]+)?` +
`(-([0-9A-Za-z\-]+(\.[0-9A-Za-z\-]+)*))?` +
`(\+([0-9A-Za-z\-]+(\.[0-9A-Za-z\-]+)*))?`
func isX(x string) bool {
switch x {
case "x", "*", "X":
return true
default:
return false
}
}
func rewriteRange(i string) string {
m := constraintRangeRegex.FindAllStringSubmatch(i, -1)
if m == nil {
return i
}
o := i
for _, v := range m {
t := fmt.Sprintf(">= %s, <= %s", v[1], v[11])
o = strings.Replace(o, v[0], t, 1)
}
return o
}
// Detect if a version is not zero (0.0.0)
func isNonZero(v *Version) bool {
if v.Major() != 0 || v.Minor() != 0 || v.Patch() != 0 || v.Prerelease() != "" {
return true
}
return false
}

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package semver
import (
"reflect"
"testing"
)
func TestParseConstraint(t *testing.T) {
tests := []struct {
in string
f cfunc
v string
err bool
}{
{">= 1.2", constraintGreaterThanEqual, "1.2.0", false},
{"1.0", constraintTildeOrEqual, "1.0.0", false},
{"foo", nil, "", true},
{"<= 1.2", constraintLessThanEqual, "1.2.0", false},
{"=< 1.2", constraintLessThanEqual, "1.2.0", false},
{"=> 1.2", constraintGreaterThanEqual, "1.2.0", false},
{"v1.2", constraintTildeOrEqual, "1.2.0", false},
{"=1.5", constraintTildeOrEqual, "1.5.0", false},
{"> 1.3", constraintGreaterThan, "1.3.0", false},
{"< 1.4.1", constraintLessThan, "1.4.1", false},
}
for _, tc := range tests {
c, err := parseConstraint(tc.in)
if tc.err && err == nil {
t.Errorf("Expected error for %s didn't occur", tc.in)
} else if !tc.err && err != nil {
t.Errorf("Unexpected error for %s", tc.in)
}
// If an error was expected continue the loop and don't try the other
// tests as they will cause errors.
if tc.err {
continue
}
if tc.v != c.con.String() {
t.Errorf("Incorrect version found on %s", tc.in)
}
f1 := reflect.ValueOf(tc.f)
f2 := reflect.ValueOf(c.function)
if f1 != f2 {
t.Errorf("Wrong constraint found for %s", tc.in)
}
}
}
func TestConstraintCheck(t *testing.T) {
tests := []struct {
constraint string
version string
check bool
}{
{"= 2.0", "1.2.3", false},
{"= 2.0", "2.0.0", true},
{"4.1", "4.1.0", true},
{"!=4.1", "4.1.0", false},
{"!=4.1", "5.1.0", true},
{">1.1", "4.1.0", true},
{">1.1", "1.1.0", false},
{"<1.1", "0.1.0", true},
{"<1.1", "1.1.0", false},
{"<1.1", "1.1.1", false},
{">=1.1", "4.1.0", true},
{">=1.1", "1.1.0", true},
{">=1.1", "0.0.9", false},
{"<=1.1", "0.1.0", true},
{"<=1.1", "1.1.0", true},
{"<=1.1", "1.1.1", false},
{">0", "0.0.1-alpha", true},
{">=0", "0.0.1-alpha", true},
{">0", "0", false},
{">=0", "0", true},
}
for _, tc := range tests {
c, err := parseConstraint(tc.constraint)
if err != nil {
t.Errorf("err: %s", err)
continue
}
v, err := NewVersion(tc.version)
if err != nil {
t.Errorf("err: %s", err)
continue
}
a := c.check(v)
if a != tc.check {
t.Errorf("Constraint %q failing with %q", tc.constraint, tc.version)
}
}
}
func TestNewConstraint(t *testing.T) {
tests := []struct {
input string
ors int
count int
err bool
}{
{">= 1.1", 1, 1, false},
{"2.0", 1, 1, false},
{"v2.3.5-20161202202307-sha.e8fc5e5", 1, 1, false},
{">= bar", 0, 0, true},
{">= 1.2.3, < 2.0", 1, 2, false},
{">= 1.2.3, < 2.0 || => 3.0, < 4", 2, 2, false},
// The 3 - 4 should be broken into 2 by the range rewriting
{"3 - 4 || => 3.0, < 4", 2, 2, false},
}
for _, tc := range tests {
v, err := NewConstraint(tc.input)
if tc.err && err == nil {
t.Errorf("expected but did not get error for: %s", tc.input)
continue
} else if !tc.err && err != nil {
t.Errorf("unexpectederror for input %s: %s", tc.input, err)
continue
}
if tc.err {
continue
}
l := len(v.constraints)
if tc.ors != l {
t.Errorf("Expected %s to have %d ORs but got %d",
tc.input, tc.ors, l)
}
l = len(v.constraints[0])
if tc.count != l {
t.Errorf("Expected %s to have %d constraints but got %d",
tc.input, tc.count, l)
}
}
}
func TestConstraintsCheck(t *testing.T) {
tests := []struct {
constraint string
version string
check bool
}{
{"*", "1.2.3", true},
{"~0.0.0", "1.2.3", true},
{"= 2.0", "1.2.3", false},
{"= 2.0", "2.0.0", true},
{"4.1", "4.1.0", true},
{"4.1.x", "4.1.3", true},
{"1.x", "1.4", true},
{"!=4.1", "4.1.0", false},
{"!=4.1-alpha", "4.1.0-alpha", false},
{"!=4.1-alpha", "4.1.0", true},
{"!=4.1", "5.1.0", true},
{"!=4.x", "5.1.0", true},
{"!=4.x", "4.1.0", false},
{"!=4.1.x", "4.2.0", true},
{"!=4.2.x", "4.2.3", false},
{">1.1", "4.1.0", true},
{">1.1", "1.1.0", false},
{"<1.1", "0.1.0", true},
{"<1.1", "1.1.0", false},
{"<1.1", "1.1.1", false},
{"<1.x", "1.1.1", true},
{"<1.x", "2.1.1", false},
{"<1.1.x", "1.2.1", false},
{"<1.1.x", "1.1.500", true},
{"<1.2.x", "1.1.1", true},
{">=1.1", "4.1.0", true},
{">=1.1", "4.1.0-beta", false},
{">=1.1", "1.1.0", true},
{">=1.1", "0.0.9", false},
{"<=1.1", "0.1.0", true},
{"<=1.1", "0.1.0-alpha", false},
{"<=1.1-a", "0.1.0-alpha", true},
{"<=1.1", "1.1.0", true},
{"<=1.x", "1.1.0", true},
{"<=2.x", "3.1.0", false},
{"<=1.1", "1.1.1", false},
{"<=1.1.x", "1.2.500", false},
{">1.1, <2", "1.1.1", true},
{">1.1, <3", "4.3.2", false},
{">=1.1, <2, !=1.2.3", "1.2.3", false},
{">=1.1, <2, !=1.2.3 || > 3", "3.1.2", true},
{">=1.1, <2, !=1.2.3 || >= 3", "3.0.0", true},
{">=1.1, <2, !=1.2.3 || > 3", "3.0.0", false},
{">=1.1, <2, !=1.2.3 || > 3", "1.2.3", false},
{"1.1 - 2", "1.1.1", true},
{"1.1-3", "4.3.2", false},
{"^1.1", "1.1.1", true},
{"^1.1", "4.3.2", false},
{"^1.x", "1.1.1", true},
{"^2.x", "1.1.1", false},
{"^1.x", "2.1.1", false},
{"^1.x", "1.1.1-beta1", false},
{"^1.1.2-alpha", "1.2.1-beta1", true},
{"^1.2.x-alpha", "1.1.1-beta1", false},
{"~*", "2.1.1", true},
{"~1.x", "2.1.1", false},
{"~1.x", "1.3.5", true},
{"~1.x", "1.4", true},
{"~1.1", "1.1.1", true},
{"~1.1", "1.1.1-alpha", false},
{"~1.1-alpha", "1.1.1-beta", true},
{"~1.1.1-beta", "1.1.1-alpha", false},
{"~1.1.1-beta", "1.1.1", true},
{"~1.2.3", "1.2.5", true},
{"~1.2.3", "1.2.2", false},
{"~1.2.3", "1.3.2", false},
{"~1.1", "1.2.3", false},
{"~1.3", "2.4.5", false},
}
for _, tc := range tests {
c, err := NewConstraint(tc.constraint)
if err != nil {
t.Errorf("err: %s", err)
continue
}
v, err := NewVersion(tc.version)
if err != nil {
t.Errorf("err: %s", err)
continue
}
a := c.Check(v)
if a != tc.check {
t.Errorf("Constraint '%s' failing with '%s'", tc.constraint, tc.version)
}
}
}
func TestRewriteRange(t *testing.T) {
tests := []struct {
c string
nc string
}{
{"2 - 3", ">= 2, <= 3"},
{"2 - 3, 2 - 3", ">= 2, <= 3,>= 2, <= 3"},
{"2 - 3, 4.0.0 - 5.1", ">= 2, <= 3,>= 4.0.0, <= 5.1"},
}
for _, tc := range tests {
o := rewriteRange(tc.c)
if o != tc.nc {
t.Errorf("Range %s rewritten incorrectly as '%s'", tc.c, o)
}
}
}
func TestIsX(t *testing.T) {
tests := []struct {
t string
c bool
}{
{"A", false},
{"%", false},
{"X", true},
{"x", true},
{"*", true},
}
for _, tc := range tests {
a := isX(tc.t)
if a != tc.c {
t.Errorf("Function isX error on %s", tc.t)
}
}
}
func TestConstraintsValidate(t *testing.T) {
tests := []struct {
constraint string
version string
check bool
}{
{"*", "1.2.3", true},
{"~0.0.0", "1.2.3", true},
{"= 2.0", "1.2.3", false},
{"= 2.0", "2.0.0", true},
{"4.1", "4.1.0", true},
{"4.1.x", "4.1.3", true},
{"1.x", "1.4", true},
{"!=4.1", "4.1.0", false},
{"!=4.1", "5.1.0", true},
{"!=4.x", "5.1.0", true},
{"!=4.x", "4.1.0", false},
{"!=4.1.x", "4.2.0", true},
{"!=4.2.x", "4.2.3", false},
{">1.1", "4.1.0", true},
{">1.1", "1.1.0", false},
{"<1.1", "0.1.0", true},
{"<1.1", "1.1.0", false},
{"<1.1", "1.1.1", false},
{"<1.x", "1.1.1", true},
{"<1.x", "2.1.1", false},
{"<1.1.x", "1.2.1", false},
{"<1.1.x", "1.1.500", true},
{"<1.2.x", "1.1.1", true},
{">=1.1", "4.1.0", true},
{">=1.1", "1.1.0", true},
{">=1.1", "0.0.9", false},
{"<=1.1", "0.1.0", true},
{"<=1.1", "1.1.0", true},
{"<=1.x", "1.1.0", true},
{"<=2.x", "3.1.0", false},
{"<=1.1", "1.1.1", false},
{"<=1.1.x", "1.2.500", false},
{">1.1, <2", "1.1.1", true},
{">1.1, <3", "4.3.2", false},
{">=1.1, <2, !=1.2.3", "1.2.3", false},
{">=1.1, <2, !=1.2.3 || > 3", "3.1.2", true},
{">=1.1, <2, !=1.2.3 || >= 3", "3.0.0", true},
{">=1.1, <2, !=1.2.3 || > 3", "3.0.0", false},
{">=1.1, <2, !=1.2.3 || > 3", "1.2.3", false},
{"1.1 - 2", "1.1.1", true},
{"1.1-3", "4.3.2", false},
{"^1.1", "1.1.1", true},
{"^1.1", "1.1.1-alpha", false},
{"^1.1.1-alpha", "1.1.1-beta", true},
{"^1.1.1-beta", "1.1.1-alpha", false},
{"^1.1", "4.3.2", false},
{"^1.x", "1.1.1", true},
{"^2.x", "1.1.1", false},
{"^1.x", "2.1.1", false},
{"~*", "2.1.1", true},
{"~1.x", "2.1.1", false},
{"~1.x", "1.3.5", true},
{"~1.x", "1.3.5-beta", false},
{"~1.3.6-alpha", "1.3.5-beta", false},
{"~1.3.5-alpha", "1.3.5-beta", true},
{"~1.3.5-beta", "1.3.5-alpha", false},
{"~1.x", "1.4", true},
{"~1.1", "1.1.1", true},
{"~1.2.3", "1.2.5", true},
{"~1.2.3", "1.2.2", false},
{"~1.2.3", "1.3.2", false},
{"~1.1", "1.2.3", false},
{"~1.3", "2.4.5", false},
}
for _, tc := range tests {
c, err := NewConstraint(tc.constraint)
if err != nil {
t.Errorf("err: %s", err)
continue
}
v, err := NewVersion(tc.version)
if err != nil {
t.Errorf("err: %s", err)
continue
}
a, msgs := c.Validate(v)
if a != tc.check {
t.Errorf("Constraint '%s' failing with '%s'", tc.constraint, tc.version)
} else if !a && len(msgs) == 0 {
t.Errorf("%q failed with %q but no errors returned", tc.constraint, tc.version)
}
// if a == false {
// for _, m := range msgs {
// t.Errorf("%s", m)
// }
// }
}
v, err := NewVersion("1.2.3")
if err != nil {
t.Errorf("err: %s", err)
}
c, err := NewConstraint("!= 1.2.5, ^2, <= 1.1.x")
if err != nil {
t.Errorf("err: %s", err)
}
_, msgs := c.Validate(v)
if len(msgs) != 2 {
t.Error("Invalid number of validations found")
}
e := msgs[0].Error()
if e != "1.2.3 does not have same major version as 2" {
t.Error("Did not get expected message: 1.2.3 does not have same major version as 2")
}
e = msgs[1].Error()
if e != "1.2.3 is greater than 1.1.x" {
t.Error("Did not get expected message: 1.2.3 is greater than 1.1.x")
}
tests2 := []struct {
constraint, version, msg string
}{
{"= 2.0", "1.2.3", "1.2.3 is not equal to 2.0"},
{"!=4.1", "4.1.0", "4.1.0 is equal to 4.1"},
{"!=4.x", "4.1.0", "4.1.0 is equal to 4.x"},
{"!=4.2.x", "4.2.3", "4.2.3 is equal to 4.2.x"},
{">1.1", "1.1.0", "1.1.0 is less than or equal to 1.1"},
{"<1.1", "1.1.0", "1.1.0 is greater than or equal to 1.1"},
{"<1.1", "1.1.1", "1.1.1 is greater than or equal to 1.1"},
{"<1.x", "2.1.1", "2.1.1 is greater than or equal to 1.x"},
{"<1.1.x", "1.2.1", "1.2.1 is greater than or equal to 1.1.x"},
{">=1.1", "0.0.9", "0.0.9 is less than 1.1"},
{"<=2.x", "3.1.0", "3.1.0 is greater than 2.x"},
{"<=1.1", "1.1.1", "1.1.1 is greater than 1.1"},
{"<=1.1.x", "1.2.500", "1.2.500 is greater than 1.1.x"},
{">1.1, <3", "4.3.2", "4.3.2 is greater than or equal to 3"},
{">=1.1, <2, !=1.2.3", "1.2.3", "1.2.3 is equal to 1.2.3"},
{">=1.1, <2, !=1.2.3 || > 3", "3.0.0", "3.0.0 is greater than or equal to 2"},
{">=1.1, <2, !=1.2.3 || > 3", "1.2.3", "1.2.3 is equal to 1.2.3"},
{"1.1 - 3", "4.3.2", "4.3.2 is greater than 3"},
{"^1.1", "4.3.2", "4.3.2 does not have same major version as 1.1"},
{"^2.x", "1.1.1", "1.1.1 does not have same major version as 2.x"},
{"^1.x", "2.1.1", "2.1.1 does not have same major version as 1.x"},
{"~1.x", "2.1.1", "2.1.1 does not have same major and minor version as 1.x"},
{"~1.2.3", "1.2.2", "1.2.2 does not have same major and minor version as 1.2.3"},
{"~1.2.3", "1.3.2", "1.3.2 does not have same major and minor version as 1.2.3"},
{"~1.1", "1.2.3", "1.2.3 does not have same major and minor version as 1.1"},
{"~1.3", "2.4.5", "2.4.5 does not have same major and minor version as 1.3"},
}
for _, tc := range tests2 {
c, err := NewConstraint(tc.constraint)
if err != nil {
t.Errorf("err: %s", err)
continue
}
v, err := NewVersion(tc.version)
if err != nil {
t.Errorf("err: %s", err)
continue
}
_, msgs := c.Validate(v)
e := msgs[0].Error()
if e != tc.msg {
t.Errorf("Did not get expected message %q: %s", tc.msg, e)
}
}
}

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/*
Package semver provides the ability to work with Semantic Versions (http://semver.org) in Go.
Specifically it provides the ability to:
* Parse semantic versions
* Sort semantic versions
* Check if a semantic version fits within a set of constraints
* Optionally work with a `v` prefix
Parsing Semantic Versions
To parse a semantic version use the `NewVersion` function. For example,
v, err := semver.NewVersion("1.2.3-beta.1+build345")
If there is an error the version wasn't parseable. The version object has methods
to get the parts of the version, compare it to other versions, convert the
version back into a string, and get the original string. For more details
please see the documentation at https://godoc.org/github.com/Masterminds/semver.
Sorting Semantic Versions
A set of versions can be sorted using the `sort` package from the standard library.
For example,
raw := []string{"1.2.3", "1.0", "1.3", "2", "0.4.2",}
vs := make([]*semver.Version, len(raw))
for i, r := range raw {
v, err := semver.NewVersion(r)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
vs[i] = v
}
sort.Sort(semver.Collection(vs))
Checking Version Constraints
Checking a version against version constraints is one of the most featureful
parts of the package.
c, err := semver.NewConstraint(">= 1.2.3")
if err != nil {
// Handle constraint not being parseable.
}
v, _ := semver.NewVersion("1.3")
if err != nil {
// Handle version not being parseable.
}
// Check if the version meets the constraints. The a variable will be true.
a := c.Check(v)
Basic Comparisons
There are two elements to the comparisons. First, a comparison string is a list
of comma separated and comparisons. These are then separated by || separated or
comparisons. For example, `">= 1.2, < 3.0.0 || >= 4.2.3"` is looking for a
comparison that's greater than or equal to 1.2 and less than 3.0.0 or is
greater than or equal to 4.2.3.
The basic comparisons are:
* `=`: equal (aliased to no operator)
* `!=`: not equal
* `>`: greater than
* `<`: less than
* `>=`: greater than or equal to
* `<=`: less than or equal to
Hyphen Range Comparisons
There are multiple methods to handle ranges and the first is hyphens ranges.
These look like:
* `1.2 - 1.4.5` which is equivalent to `>= 1.2, <= 1.4.5`
* `2.3.4 - 4.5` which is equivalent to `>= 2.3.4, <= 4.5`
Wildcards In Comparisons
The `x`, `X`, and `*` characters can be used as a wildcard character. This works
for all comparison operators. When used on the `=` operator it falls
back to the pack level comparison (see tilde below). For example,
* `1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
* `>= 1.2.x` is equivalent to `>= 1.2.0`
* `<= 2.x` is equivalent to `<= 3`
* `*` is equivalent to `>= 0.0.0`
Tilde Range Comparisons (Patch)
The tilde (`~`) comparison operator is for patch level ranges when a minor
version is specified and major level changes when the minor number is missing.
For example,
* `~1.2.3` is equivalent to `>= 1.2.3, < 1.3.0`
* `~1` is equivalent to `>= 1, < 2`
* `~2.3` is equivalent to `>= 2.3, < 2.4`
* `~1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
* `~1.x` is equivalent to `>= 1, < 2`
Caret Range Comparisons (Major)
The caret (`^`) comparison operator is for major level changes. This is useful
when comparisons of API versions as a major change is API breaking. For example,
* `^1.2.3` is equivalent to `>= 1.2.3, < 2.0.0`
* `^1.2.x` is equivalent to `>= 1.2.0, < 2.0.0`
* `^2.3` is equivalent to `>= 2.3, < 3`
* `^2.x` is equivalent to `>= 2.0.0, < 3`
*/
package semver

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package semver
import (
"bytes"
"errors"
"fmt"
"regexp"
"strconv"
"strings"
)
// The compiled version of the regex created at init() is cached here so it
// only needs to be created once.
var versionRegex *regexp.Regexp
var validPrereleaseRegex *regexp.Regexp
var (
// ErrInvalidSemVer is returned a version is found to be invalid when
// being parsed.
ErrInvalidSemVer = errors.New("Invalid Semantic Version")
// ErrInvalidMetadata is returned when the metadata is an invalid format
ErrInvalidMetadata = errors.New("Invalid Metadata string")
// ErrInvalidPrerelease is returned when the pre-release is an invalid format
ErrInvalidPrerelease = errors.New("Invalid Prerelease string")
)
// SemVerRegex is the regular expression used to parse a semantic version.
const SemVerRegex string = `v?([0-9]+)(\.[0-9]+)?(\.[0-9]+)?` +
`(-([0-9A-Za-z\-]+(\.[0-9A-Za-z\-]+)*))?` +
`(\+([0-9A-Za-z\-]+(\.[0-9A-Za-z\-]+)*))?`
// ValidPrerelease is the regular expression which validates
// both prerelease and metadata values.
const ValidPrerelease string = `^([0-9A-Za-z\-]+(\.[0-9A-Za-z\-]+)*)`
// Version represents a single semantic version.
type Version struct {
major, minor, patch int64
pre string
metadata string
original string
}
func init() {
versionRegex = regexp.MustCompile("^" + SemVerRegex + "$")
validPrereleaseRegex = regexp.MustCompile(ValidPrerelease)
}
// NewVersion parses a given version and returns an instance of Version or
// an error if unable to parse the version.
func NewVersion(v string) (*Version, error) {
m := versionRegex.FindStringSubmatch(v)
if m == nil {
return nil, ErrInvalidSemVer
}
sv := &Version{
metadata: m[8],
pre: m[5],
original: v,
}
var temp int64
temp, err := strconv.ParseInt(m[1], 10, 32)
if err != nil {
return nil, fmt.Errorf("Error parsing version segment: %s", err)
}
sv.major = temp
if m[2] != "" {
temp, err = strconv.ParseInt(strings.TrimPrefix(m[2], "."), 10, 32)
if err != nil {
return nil, fmt.Errorf("Error parsing version segment: %s", err)
}
sv.minor = temp
} else {
sv.minor = 0
}
if m[3] != "" {
temp, err = strconv.ParseInt(strings.TrimPrefix(m[3], "."), 10, 32)
if err != nil {
return nil, fmt.Errorf("Error parsing version segment: %s", err)
}
sv.patch = temp
} else {
sv.patch = 0
}
return sv, nil
}
// MustParse parses a given version and panics on error.
func MustParse(v string) *Version {
sv, err := NewVersion(v)
if err != nil {
panic(err)
}
return sv
}
// String converts a Version object to a string.
// Note, if the original version contained a leading v this version will not.
// See the Original() method to retrieve the original value. Semantic Versions
// don't contain a leading v per the spec. Instead it's optional on
// impelementation.
func (v *Version) String() string {
var buf bytes.Buffer
fmt.Fprintf(&buf, "%d.%d.%d", v.major, v.minor, v.patch)
if v.pre != "" {
fmt.Fprintf(&buf, "-%s", v.pre)
}
if v.metadata != "" {
fmt.Fprintf(&buf, "+%s", v.metadata)
}
return buf.String()
}
// Original returns the original value passed in to be parsed.
func (v *Version) Original() string {
return v.original
}
// Major returns the major version.
func (v *Version) Major() int64 {
return v.major
}
// Minor returns the minor version.
func (v *Version) Minor() int64 {
return v.minor
}
// Patch returns the patch version.
func (v *Version) Patch() int64 {
return v.patch
}
// Prerelease returns the pre-release version.
func (v *Version) Prerelease() string {
return v.pre
}
// Metadata returns the metadata on the version.
func (v *Version) Metadata() string {
return v.metadata
}
// originalVPrefix returns the original 'v' prefix if any.
func (v *Version) originalVPrefix() string {
// Note, only lowercase v is supported as a prefix by the parser.
if v.original != "" && v.original[:1] == "v" {
return v.original[:1]
}
return ""
}
// IncPatch produces the next patch version.
// If the current version does not have prerelease/metadata information,
// it unsets metadata and prerelease values, increments patch number.
// If the current version has any of prerelease or metadata information,
// it unsets both values and keeps curent patch value
func (v Version) IncPatch() Version {
vNext := v
// according to http://semver.org/#spec-item-9
// Pre-release versions have a lower precedence than the associated normal version.
// according to http://semver.org/#spec-item-10
// Build metadata SHOULD be ignored when determining version precedence.
if v.pre != "" {
vNext.metadata = ""
vNext.pre = ""
} else {
vNext.metadata = ""
vNext.pre = ""
vNext.patch = v.patch + 1
}
vNext.original = v.originalVPrefix() + "" + vNext.String()
return vNext
}
// IncMinor produces the next minor version.
// Sets patch to 0.
// Increments minor number.
// Unsets metadata.
// Unsets prerelease status.
func (v Version) IncMinor() Version {
vNext := v
vNext.metadata = ""
vNext.pre = ""
vNext.patch = 0
vNext.minor = v.minor + 1
vNext.original = v.originalVPrefix() + "" + vNext.String()
return vNext
}
// IncMajor produces the next major version.
// Sets patch to 0.
// Sets minor to 0.
// Increments major number.
// Unsets metadata.
// Unsets prerelease status.
func (v Version) IncMajor() Version {
vNext := v
vNext.metadata = ""
vNext.pre = ""
vNext.patch = 0
vNext.minor = 0
vNext.major = v.major + 1
vNext.original = v.originalVPrefix() + "" + vNext.String()
return vNext
}
// SetPrerelease defines the prerelease value.
// Value must not include the required 'hypen' prefix.
func (v Version) SetPrerelease(prerelease string) (Version, error) {
vNext := v
if len(prerelease) > 0 && !validPrereleaseRegex.MatchString(prerelease) {
return vNext, ErrInvalidPrerelease
}
vNext.pre = prerelease
vNext.original = v.originalVPrefix() + "" + vNext.String()
return vNext, nil
}
// SetMetadata defines metadata value.
// Value must not include the required 'plus' prefix.
func (v Version) SetMetadata(metadata string) (Version, error) {
vNext := v
if len(metadata) > 0 && !validPrereleaseRegex.MatchString(metadata) {
return vNext, ErrInvalidMetadata
}
vNext.metadata = metadata
vNext.original = v.originalVPrefix() + "" + vNext.String()
return vNext, nil
}
// LessThan tests if one version is less than another one.
func (v *Version) LessThan(o *Version) bool {
return v.Compare(o) < 0
}
// GreaterThan tests if one version is greater than another one.
func (v *Version) GreaterThan(o *Version) bool {
return v.Compare(o) > 0
}
// Equal tests if two versions are equal to each other.
// Note, versions can be equal with different metadata since metadata
// is not considered part of the comparable version.
func (v *Version) Equal(o *Version) bool {
return v.Compare(o) == 0
}
// Compare compares this version to another one. It returns -1, 0, or 1 if
// the version smaller, equal, or larger than the other version.
//
// Versions are compared by X.Y.Z. Build metadata is ignored. Prerelease is
// lower than the version without a prerelease.
func (v *Version) Compare(o *Version) int {
// Compare the major, minor, and patch version for differences. If a
// difference is found return the comparison.
if d := compareSegment(v.Major(), o.Major()); d != 0 {
return d
}
if d := compareSegment(v.Minor(), o.Minor()); d != 0 {
return d
}
if d := compareSegment(v.Patch(), o.Patch()); d != 0 {
return d
}
// At this point the major, minor, and patch versions are the same.
ps := v.pre
po := o.Prerelease()
if ps == "" && po == "" {
return 0
}
if ps == "" {
return 1
}
if po == "" {
return -1
}
return comparePrerelease(ps, po)
}
func compareSegment(v, o int64) int {
if v < o {
return -1
}
if v > o {
return 1
}
return 0
}
func comparePrerelease(v, o string) int {
// split the prelease versions by their part. The separator, per the spec,
// is a .
sparts := strings.Split(v, ".")
oparts := strings.Split(o, ".")
// Find the longer length of the parts to know how many loop iterations to
// go through.
slen := len(sparts)
olen := len(oparts)
l := slen
if olen > slen {
l = olen
}
// Iterate over each part of the prereleases to compare the differences.
for i := 0; i < l; i++ {
// Since the lentgh of the parts can be different we need to create
// a placeholder. This is to avoid out of bounds issues.
stemp := ""
if i < slen {
stemp = sparts[i]
}
otemp := ""
if i < olen {
otemp = oparts[i]
}
d := comparePrePart(stemp, otemp)
if d != 0 {
return d
}
}
// Reaching here means two versions are of equal value but have different
// metadata (the part following a +). They are not identical in string form
// but the version comparison finds them to be equal.
return 0
}
func comparePrePart(s, o string) int {
// Fastpath if they are equal
if s == o {
return 0
}
// When s or o are empty we can use the other in an attempt to determine
// the response.
if o == "" {
_, n := strconv.ParseInt(s, 10, 64)
if n != nil {
return -1
}
return 1
}
if s == "" {
_, n := strconv.ParseInt(o, 10, 64)
if n != nil {
return 1
}
return -1
}
if s > o {
return 1
}
return -1
}

450
vendor/github.com/Masterminds/semver/version_test.go generated vendored Normal file
View File

@ -0,0 +1,450 @@
package semver
import (
"testing"
)
func TestNewVersion(t *testing.T) {
tests := []struct {
version string
err bool
}{
{"1.2.3", false},
{"v1.2.3", false},
{"1.0", false},
{"v1.0", false},
{"1", false},
{"v1", false},
{"1.2.beta", true},
{"v1.2.beta", true},
{"foo", true},
{"1.2-5", false},
{"v1.2-5", false},
{"1.2-beta.5", false},
{"v1.2-beta.5", false},
{"\n1.2", true},
{"\nv1.2", true},
{"1.2.0-x.Y.0+metadata", false},
{"v1.2.0-x.Y.0+metadata", false},
{"1.2.0-x.Y.0+metadata-width-hypen", false},
{"v1.2.0-x.Y.0+metadata-width-hypen", false},
{"1.2.3-rc1-with-hypen", false},
{"v1.2.3-rc1-with-hypen", false},
{"1.2.3.4", true},
{"v1.2.3.4", true},
}
for _, tc := range tests {
_, err := NewVersion(tc.version)
if tc.err && err == nil {
t.Fatalf("expected error for version: %s", tc.version)
} else if !tc.err && err != nil {
t.Fatalf("error for version %s: %s", tc.version, err)
}
}
}
func TestOriginal(t *testing.T) {
tests := []string{
"1.2.3",
"v1.2.3",
"1.0",
"v1.0",
"1",
"v1",
"1.2-5",
"v1.2-5",
"1.2-beta.5",
"v1.2-beta.5",
"1.2.0-x.Y.0+metadata",
"v1.2.0-x.Y.0+metadata",
"1.2.0-x.Y.0+metadata-width-hypen",
"v1.2.0-x.Y.0+metadata-width-hypen",
"1.2.3-rc1-with-hypen",
"v1.2.3-rc1-with-hypen",
}
for _, tc := range tests {
v, err := NewVersion(tc)
if err != nil {
t.Errorf("Error parsing version %s", tc)
}
o := v.Original()
if o != tc {
t.Errorf("Error retrieving originl. Expected '%s' but got '%s'", tc, v)
}
}
}
func TestParts(t *testing.T) {
v, err := NewVersion("1.2.3-beta.1+build.123")
if err != nil {
t.Error("Error parsing version 1.2.3-beta.1+build.123")
}
if v.Major() != 1 {
t.Error("Major() returning wrong value")
}
if v.Minor() != 2 {
t.Error("Minor() returning wrong value")
}
if v.Patch() != 3 {
t.Error("Patch() returning wrong value")
}
if v.Prerelease() != "beta.1" {
t.Error("Prerelease() returning wrong value")
}
if v.Metadata() != "build.123" {
t.Error("Metadata() returning wrong value")
}
}
func TestString(t *testing.T) {
tests := []struct {
version string
expected string
}{
{"1.2.3", "1.2.3"},
{"v1.2.3", "1.2.3"},
{"1.0", "1.0.0"},
{"v1.0", "1.0.0"},
{"1", "1.0.0"},
{"v1", "1.0.0"},
{"1.2-5", "1.2.0-5"},
{"v1.2-5", "1.2.0-5"},
{"1.2-beta.5", "1.2.0-beta.5"},
{"v1.2-beta.5", "1.2.0-beta.5"},
{"1.2.0-x.Y.0+metadata", "1.2.0-x.Y.0+metadata"},
{"v1.2.0-x.Y.0+metadata", "1.2.0-x.Y.0+metadata"},
{"1.2.0-x.Y.0+metadata-width-hypen", "1.2.0-x.Y.0+metadata-width-hypen"},
{"v1.2.0-x.Y.0+metadata-width-hypen", "1.2.0-x.Y.0+metadata-width-hypen"},
{"1.2.3-rc1-with-hypen", "1.2.3-rc1-with-hypen"},
{"v1.2.3-rc1-with-hypen", "1.2.3-rc1-with-hypen"},
}
for _, tc := range tests {
v, err := NewVersion(tc.version)
if err != nil {
t.Errorf("Error parsing version %s", tc)
}
s := v.String()
if s != tc.expected {
t.Errorf("Error generating string. Expected '%s' but got '%s'", tc.expected, s)
}
}
}
func TestCompare(t *testing.T) {
tests := []struct {
v1 string
v2 string
expected int
}{
{"1.2.3", "1.5.1", -1},
{"2.2.3", "1.5.1", 1},
{"2.2.3", "2.2.2", 1},
{"3.2-beta", "3.2-beta", 0},
{"1.3", "1.1.4", 1},
{"4.2", "4.2-beta", 1},
{"4.2-beta", "4.2", -1},
{"4.2-alpha", "4.2-beta", -1},
{"4.2-alpha", "4.2-alpha", 0},
{"4.2-beta.2", "4.2-beta.1", 1},
{"4.2-beta2", "4.2-beta1", 1},
{"4.2-beta", "4.2-beta.2", -1},
{"4.2-beta", "4.2-beta.foo", 1},
{"4.2-beta.2", "4.2-beta", 1},
{"4.2-beta.foo", "4.2-beta", -1},
{"1.2+bar", "1.2+baz", 0},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
v2, err := NewVersion(tc.v2)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
a := v1.Compare(v2)
e := tc.expected
if a != e {
t.Errorf(
"Comparison of '%s' and '%s' failed. Expected '%d', got '%d'",
tc.v1, tc.v2, e, a,
)
}
}
}
func TestLessThan(t *testing.T) {
tests := []struct {
v1 string
v2 string
expected bool
}{
{"1.2.3", "1.5.1", true},
{"2.2.3", "1.5.1", false},
{"3.2-beta", "3.2-beta", false},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
v2, err := NewVersion(tc.v2)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
a := v1.LessThan(v2)
e := tc.expected
if a != e {
t.Errorf(
"Comparison of '%s' and '%s' failed. Expected '%t', got '%t'",
tc.v1, tc.v2, e, a,
)
}
}
}
func TestGreaterThan(t *testing.T) {
tests := []struct {
v1 string
v2 string
expected bool
}{
{"1.2.3", "1.5.1", false},
{"2.2.3", "1.5.1", true},
{"3.2-beta", "3.2-beta", false},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
v2, err := NewVersion(tc.v2)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
a := v1.GreaterThan(v2)
e := tc.expected
if a != e {
t.Errorf(
"Comparison of '%s' and '%s' failed. Expected '%t', got '%t'",
tc.v1, tc.v2, e, a,
)
}
}
}
func TestEqual(t *testing.T) {
tests := []struct {
v1 string
v2 string
expected bool
}{
{"1.2.3", "1.5.1", false},
{"2.2.3", "1.5.1", false},
{"3.2-beta", "3.2-beta", true},
{"3.2-beta+foo", "3.2-beta+bar", true},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
v2, err := NewVersion(tc.v2)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
a := v1.Equal(v2)
e := tc.expected
if a != e {
t.Errorf(
"Comparison of '%s' and '%s' failed. Expected '%t', got '%t'",
tc.v1, tc.v2, e, a,
)
}
}
}
func TestInc(t *testing.T) {
tests := []struct {
v1 string
expected string
how string
expectedOriginal string
}{
{"1.2.3", "1.2.4", "patch", "1.2.4"},
{"v1.2.4", "1.2.5", "patch", "v1.2.5"},
{"1.2.3", "1.3.0", "minor", "1.3.0"},
{"v1.2.4", "1.3.0", "minor", "v1.3.0"},
{"1.2.3", "2.0.0", "major", "2.0.0"},
{"v1.2.4", "2.0.0", "major", "v2.0.0"},
{"1.2.3+meta", "1.2.4", "patch", "1.2.4"},
{"1.2.3-beta+meta", "1.2.3", "patch", "1.2.3"},
{"v1.2.4-beta+meta", "1.2.4", "patch", "v1.2.4"},
{"1.2.3-beta+meta", "1.3.0", "minor", "1.3.0"},
{"v1.2.4-beta+meta", "1.3.0", "minor", "v1.3.0"},
{"1.2.3-beta+meta", "2.0.0", "major", "2.0.0"},
{"v1.2.4-beta+meta", "2.0.0", "major", "v2.0.0"},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
var v2 Version
switch tc.how {
case "patch":
v2 = v1.IncPatch()
case "minor":
v2 = v1.IncMinor()
case "major":
v2 = v1.IncMajor()
}
a := v2.String()
e := tc.expected
if a != e {
t.Errorf(
"Inc %q failed. Expected %q got %q",
tc.how, e, a,
)
}
a = v2.Original()
e = tc.expectedOriginal
if a != e {
t.Errorf(
"Inc %q failed. Expected original %q got %q",
tc.how, e, a,
)
}
}
}
func TestSetPrerelease(t *testing.T) {
tests := []struct {
v1 string
prerelease string
expectedVersion string
expectedPrerelease string
expectedOriginal string
expectedErr error
}{
{"1.2.3", "**", "1.2.3", "", "1.2.3", ErrInvalidPrerelease},
{"1.2.3", "beta", "1.2.3-beta", "beta", "1.2.3-beta", nil},
{"v1.2.4", "beta", "1.2.4-beta", "beta", "v1.2.4-beta", nil},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
v2, err := v1.SetPrerelease(tc.prerelease)
if err != tc.expectedErr {
t.Errorf("Expected to get err=%s, but got err=%s", tc.expectedErr, err)
}
a := v2.Prerelease()
e := tc.expectedPrerelease
if a != e {
t.Errorf("Expected prerelease value=%q, but got %q", e, a)
}
a = v2.String()
e = tc.expectedVersion
if a != e {
t.Errorf("Expected version string=%q, but got %q", e, a)
}
a = v2.Original()
e = tc.expectedOriginal
if a != e {
t.Errorf("Expected version original=%q, but got %q", e, a)
}
}
}
func TestSetMetadata(t *testing.T) {
tests := []struct {
v1 string
metadata string
expectedVersion string
expectedMetadata string
expectedOriginal string
expectedErr error
}{
{"1.2.3", "**", "1.2.3", "", "1.2.3", ErrInvalidMetadata},
{"1.2.3", "meta", "1.2.3+meta", "meta", "1.2.3+meta", nil},
{"v1.2.4", "meta", "1.2.4+meta", "meta", "v1.2.4+meta", nil},
}
for _, tc := range tests {
v1, err := NewVersion(tc.v1)
if err != nil {
t.Errorf("Error parsing version: %s", err)
}
v2, err := v1.SetMetadata(tc.metadata)
if err != tc.expectedErr {
t.Errorf("Expected to get err=%s, but got err=%s", tc.expectedErr, err)
}
a := v2.Metadata()
e := tc.expectedMetadata
if a != e {
t.Errorf("Expected metadata value=%q, but got %q", e, a)
}
a = v2.String()
e = tc.expectedVersion
if e != a {
t.Errorf("Expected version string=%q, but got %q", e, a)
}
a = v2.Original()
e = tc.expectedOriginal
if a != e {
t.Errorf("Expected version original=%q, but got %q", e, a)
}
}
}
func TestOriginalVPrefix(t *testing.T) {
tests := []struct {
version string
vprefix string
}{
{"1.2.3", ""},
{"v1.2.4", "v"},
}
for _, tc := range tests {
v1, _ := NewVersion(tc.version)
a := v1.originalVPrefix()
e := tc.vprefix
if a != e {
t.Errorf("Expected vprefix=%q, but got %q", e, a)
}
}
}

1
vendor/github.com/Masterminds/sprig/.gitignore generated vendored
View File

@ -1 +1,2 @@
vendor/ vendor/
/.glide

9
vendor/github.com/Masterminds/sprig/.travis.yml generated vendored
View File

@ -1,9 +1,9 @@
language: go language: go
go: go:
- 1.3 - 1.6
- 1.4 - 1.7
- 1.5 - 1.8
- tip - tip
# Setting sudo access to false will let Travis CI use containers rather than # Setting sudo access to false will let Travis CI use containers rather than
@ -12,6 +12,9 @@ go:
# - http://docs.travis-ci.com/user/workers/standard-infrastructure/ # - http://docs.travis-ci.com/user/workers/standard-infrastructure/
sudo: false sudo: false
script:
- make setup test
notifications: notifications:
webhooks: webhooks:
urls: urls:

13
vendor/github.com/Masterminds/sprig/Makefile generated vendored Normal file
View File

@ -0,0 +1,13 @@
HAS_GLIDE := $(shell command -v glide;)
.PHONY: test
test:
go test -v .
.PHONY: setup
setup:
ifndef HAS_GLIDE
go get -u github.com/Masterminds/glide
endif
glide install

91
vendor/github.com/Masterminds/sprig/README.md generated vendored
View File

@ -108,6 +108,7 @@ parse, it returns the time unaltered. See `time.ParseDuration` for info on durat
"one anchovy" "many anchovies"` "one anchovy" "many anchovies"`
- uuidv4: Generate a UUID v4 string - uuidv4: Generate a UUID v4 string
- sha256sum: Generate a hex encoded sha256 hash of the input - sha256sum: Generate a hex encoded sha256 hash of the input
- toString: Convert something to a string
### String Slice Functions: ### String Slice Functions:
@ -115,6 +116,10 @@ parse, it returns the time unaltered. See `time.ParseDuration` for info on durat
- split: strings.Split, but as `split SEP STRING`. The results are returned - split: strings.Split, but as `split SEP STRING`. The results are returned
as a map with the indexes set to _N, where N is an integer starting from 0. as a map with the indexes set to _N, where N is an integer starting from 0.
Use it like this: `{{$v := "foo/bar/baz" | split "/"}}{{$v._0}}` (Prints `foo`) Use it like this: `{{$v := "foo/bar/baz" | split "/"}}{{$v._0}}` (Prints `foo`)
- splitList: strings.Split, but as `split SEP STRING`. The results are returned
as an array.
- toStrings: convert a list to a list of strings. 'list 1 2 3 | toStrings' produces '["1" "2" "3"]'
- sortAlpha: sort a list lexicographically.
### Integer Slice Functions: ### Integer Slice Functions:
@ -141,12 +146,26 @@ parse, it returns the time unaltered. See `time.ParseDuration` for info on durat
no clear empty condition). For everything else, nil value triggers a default. no clear empty condition). For everything else, nil value triggers a default.
- empty: Returns true if the given value is the zero value for that - empty: Returns true if the given value is the zero value for that
type. Structs are always non-empty. type. Structs are always non-empty.
- coalesce: Given a list of items, return the first non-empty one.
This follows the same rules as 'empty'. `{{ coalesce .someVal 0 "hello" }}`
will return `.someVal` if set, or else return "hello". The 0 is skipped
because it is an empty value.
- compact: Return a copy of a list with all of the empty values removed.
`list 0 1 2 "" | compact` will return `[1 2]`
### OS: ### OS:
- env: Read an environment variable. - env: Read an environment variable.
- expandenv: Expand all environment variables in a string. - expandenv: Expand all environment variables in a string.
### File Paths:
- base: Return the last element of a path. https://golang.org/pkg/path#Base
- dir: Remove the last element of a path. https://golang.org/pkg/path#Dir
- clean: Clean a path to the shortest equivalent name. (e.g. remove "foo/.."
from "foo/../bar.html") https://golang.org/pkg/path#Clean
- ext: Get the extension for a file path: https://golang.org/pkg/path#Ext
- isAbs: Returns true if a path is absolute: https://golang.org/pkg/path#IsAbs
### Encoding: ### Encoding:
- b32enc: Encode a string into a Base32 string - b32enc: Encode a string into a Base32 string
@ -156,8 +175,11 @@ parse, it returns the time unaltered. See `time.ParseDuration` for info on durat
### Data Structures: ### Data Structures:
- tuple: A sequence of related objects. It is implemented as a - tuple: Takes an arbitrary list of items and returns a slice of items. Its
`[]interface{}`, where each item can be accessed using `index`. tuple-ish properties are mainly gained through the template idiom, and not
through an API provided here. WARNING: The implementation of tuple will
change in the future.
- list: An arbitrary ordered list of items. (This is prefered over tuple.)
- dict: Takes a list of name/values and returns a map[string]interface{}. - dict: Takes a list of name/values and returns a map[string]interface{}.
The first parameter is converted to a string and stored as a key, the The first parameter is converted to a string and stored as a key, the
second parameter is treated as the value. And so on, with odds as keys and second parameter is treated as the value. And so on, with odds as keys and
@ -165,7 +187,43 @@ parse, it returns the time unaltered. See `time.ParseDuration` for info on durat
be assigned the empty string. Non-string keys are converted to strings as be assigned the empty string. Non-string keys are converted to strings as
follows: []byte are converted, fmt.Stringers will have String() called. follows: []byte are converted, fmt.Stringers will have String() called.
errors will have Error() called. All others will be passed through errors will have Error() called. All others will be passed through
fmt.Sprtinf("%v"). fmt.Sprtinf("%v"). _dicts are unordered_.
List:
```
{{$t := list 1 "a" "foo"}}
{{index $t 2}}{{index $t 0 }}{{index $t 1}}
{{/* Prints foo1a *}}
```
Dict:
```
{{ $t := map "key1" "value1" "key2" "value2" }}
{{ $t.key2 }}
{{ /* Prints value2 *}}
```
### Lists Functions:
These are used to manipulate lists: `{{ list 1 2 3 | reverse | first }}`
- first: Get the first item in a 'list'. 'list 1 2 3 | first' prints '1'
- last: Get the last item in a 'list': 'list 1 2 3 | last ' prints '3'
- rest: Get all but the first item in a list: 'list 1 2 3 | rest' returns '[2 3]'
- initial: Get all but the last item in a list: 'list 1 2 3 | initial' returns '[1 2]'
- append: Add an item to the end of a list: 'append $list 4' adds '4' to the end of '$list'
- prepend: Add an item to the beginning of a list: 'prepend $list 4' puts 4 at the beginning of the list.
- reverse: Reverse the items in a list.
- uniq: Remove duplicates from a list.
- without: Return a list with the given values removed: 'without (list 1 2 3) 1' would return '[2 3]'
- has: Return 'tru' if the item is found in the list: 'has "foo" $list' will return 'true' if the list contains "foo"
### Dict Functions:
These are used to manipulate dicts.
- set: Takes a dict, a key, and a value, and sets that key/value pair in - set: Takes a dict, a key, and a value, and sets that key/value pair in
the dict. `set $dict $key $value`. For convenience, it returns the dict, the dict. `set $dict $key $value`. For convenience, it returns the dict,
even though the dict was modified in place. even though the dict was modified in place.
@ -173,12 +231,10 @@ parse, it returns the time unaltered. See `time.ParseDuration` for info on durat
dict. `unset $dict $key`. This returns the dict for convenience. dict. `unset $dict $key`. This returns the dict for convenience.
- hasKey: Takes a dict and a key, and returns boolean true if the key is in - hasKey: Takes a dict and a key, and returns boolean true if the key is in
the dict. the dict.
- pluck: Given a key and one or more maps, get all of the values for that key.
``` - keys: Get an array of all of the keys in a dict. Order is not guaranteed.
{{$t := tuple 1 "a" "foo"}} - pick: Select just the given keys out of the dict, and return a new dict.
{{index $t 2}}{{index $t 0 }}{{index $t 1}} - omit: Return a dict without the given keys.
{{/* Prints foo1a *}}
```
### Reflection: ### Reflection:
@ -215,6 +271,23 @@ string is passed in, functions will attempt to conver with
- min: Return the smallest of a series of integers. `min 1 2 3` returns - min: Return the smallest of a series of integers. `min 1 2 3` returns
`1`. `1`.
### Cryptographic Functions:
- derivePassword: Derive a password from the given parameters according to the "Master Password" algorithm (http://masterpasswordapp.com/algorithm.html)
Given parameters (in order) are:
`counter` (starting with 1), `password_type` (maximum, long, medium, short, basic, or pin), `password`,
`user`, and `site`. The following line generates a long password for the user "user" and with a master-password "password" on the site "example.com":
```
{{ derivePassword 1 "long" "password" "user" "example.com" }}
```
## SemVer Functions:
These functions provide version parsing and comparisons for SemVer 2 version
strings.
- semver: Parse a semantic version and return a Version object.
- semverCompare: Compare a SemVer range to a particular version.
## Principles: ## Principles:

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@ -0,0 +1,148 @@
package sprig
import (
"bytes"
"crypto/dsa"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/hmac"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"encoding/asn1"
"encoding/binary"
"encoding/hex"
"encoding/pem"
"fmt"
"math/big"
uuid "github.com/satori/go.uuid"
"golang.org/x/crypto/scrypt"
)
func sha256sum(input string) string {
hash := sha256.Sum256([]byte(input))
return hex.EncodeToString(hash[:])
}
// uuidv4 provides a safe and secure UUID v4 implementation
func uuidv4() string {
return fmt.Sprintf("%s", uuid.NewV4())
}
var master_password_seed = "com.lyndir.masterpassword"
var password_type_templates = map[string][][]byte{
"maximum": {[]byte("anoxxxxxxxxxxxxxxxxx"), []byte("axxxxxxxxxxxxxxxxxno")},
"long": {[]byte("CvcvnoCvcvCvcv"), []byte("CvcvCvcvnoCvcv"), []byte("CvcvCvcvCvcvno"), []byte("CvccnoCvcvCvcv"), []byte("CvccCvcvnoCvcv"),
[]byte("CvccCvcvCvcvno"), []byte("CvcvnoCvccCvcv"), []byte("CvcvCvccnoCvcv"), []byte("CvcvCvccCvcvno"), []byte("CvcvnoCvcvCvcc"),
[]byte("CvcvCvcvnoCvcc"), []byte("CvcvCvcvCvccno"), []byte("CvccnoCvccCvcv"), []byte("CvccCvccnoCvcv"), []byte("CvccCvccCvcvno"),
[]byte("CvcvnoCvccCvcc"), []byte("CvcvCvccnoCvcc"), []byte("CvcvCvccCvccno"), []byte("CvccnoCvcvCvcc"), []byte("CvccCvcvnoCvcc"),
[]byte("CvccCvcvCvccno")},
"medium": {[]byte("CvcnoCvc"), []byte("CvcCvcno")},
"short": {[]byte("Cvcn")},
"basic": {[]byte("aaanaaan"), []byte("aannaaan"), []byte("aaannaaa")},
"pin": {[]byte("nnnn")},
}
var template_characters = map[byte]string{
'V': "AEIOU",
'C': "BCDFGHJKLMNPQRSTVWXYZ",
'v': "aeiou",
'c': "bcdfghjklmnpqrstvwxyz",
'A': "AEIOUBCDFGHJKLMNPQRSTVWXYZ",
'a': "AEIOUaeiouBCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz",
'n': "0123456789",
'o': "@&%?,=[]_:-+*$#!'^~;()/.",
'x': "AEIOUaeiouBCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz0123456789!@#$%^&*()",
}
func derivePassword(counter uint32, password_type, password, user, site string) string {
var templates = password_type_templates[password_type]
if templates == nil {
return fmt.Sprintf("cannot find password template %s", password_type)
}
var buffer bytes.Buffer
buffer.WriteString(master_password_seed)
binary.Write(&buffer, binary.BigEndian, uint32(len(user)))
buffer.WriteString(user)
salt := buffer.Bytes()
key, err := scrypt.Key([]byte(password), salt, 32768, 8, 2, 64)
if err != nil {
return fmt.Sprintf("failed to derive password: %s", err)
}
buffer.Truncate(len(master_password_seed))
binary.Write(&buffer, binary.BigEndian, uint32(len(site)))
buffer.WriteString(site)
binary.Write(&buffer, binary.BigEndian, counter)
var hmacv = hmac.New(sha256.New, key)
hmacv.Write(buffer.Bytes())
var seed = hmacv.Sum(nil)
var temp = templates[int(seed[0])%len(templates)]
buffer.Truncate(0)
for i, element := range temp {
pass_chars := template_characters[element]
pass_char := pass_chars[int(seed[i+1])%len(pass_chars)]
buffer.WriteByte(pass_char)
}
return buffer.String()
}
func generatePrivateKey(typ string) string {
var priv interface{}
var err error
switch typ {
case "", "rsa":
// good enough for government work
priv, err = rsa.GenerateKey(rand.Reader, 4096)
case "dsa":
key := new(dsa.PrivateKey)
// again, good enough for government work
if err = dsa.GenerateParameters(&key.Parameters, rand.Reader, dsa.L2048N256); err != nil {
return fmt.Sprintf("failed to generate dsa params: %s", err)
}
err = dsa.GenerateKey(key, rand.Reader)
priv = key
case "ecdsa":
// again, good enough for government work
priv, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
default:
return "Unknown type " + typ
}
if err != nil {
return fmt.Sprintf("failed to generate private key: %s", err)
}
return string(pem.EncodeToMemory(pemBlockForKey(priv)))
}
type DSAKeyFormat struct {
Version int
P, Q, G, Y, X *big.Int
}
func pemBlockForKey(priv interface{}) *pem.Block {
switch k := priv.(type) {
case *rsa.PrivateKey:
return &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(k)}
case *dsa.PrivateKey:
val := DSAKeyFormat{
P: k.P, Q: k.Q, G: k.G,
Y: k.Y, X: k.X,
}
bytes, _ := asn1.Marshal(val)
return &pem.Block{Type: "DSA PRIVATE KEY", Bytes: bytes}
case *ecdsa.PrivateKey:
b, _ := x509.MarshalECPrivateKey(k)
return &pem.Block{Type: "EC PRIVATE KEY", Bytes: b}
default:
return nil
}
}

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package sprig
import (
"strings"
"testing"
)
func TestSha256Sum(t *testing.T) {
tpl := `{{"abc" | sha256sum}}`
if err := runt(tpl, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"); err != nil {
t.Error(err)
}
}
func TestDerivePassword(t *testing.T) {
expectations := map[string]string{
`{{derivePassword 1 "long" "password" "user" "example.com"}}`: "ZedaFaxcZaso9*",
`{{derivePassword 2 "long" "password" "user" "example.com"}}`: "Fovi2@JifpTupx",
`{{derivePassword 1 "maximum" "password" "user" "example.com"}}`: "pf4zS1LjCg&LjhsZ7T2~",
`{{derivePassword 1 "medium" "password" "user" "example.com"}}`: "ZedJuz8$",
`{{derivePassword 1 "basic" "password" "user" "example.com"}}`: "pIS54PLs",
`{{derivePassword 1 "short" "password" "user" "example.com"}}`: "Zed5",
`{{derivePassword 1 "pin" "password" "user" "example.com"}}`: "6685",
}
for tpl, result := range expectations {
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if 0 != strings.Compare(out, result) {
t.Error("Generated password does not match for", tpl)
}
}
}
// NOTE(bacongobbler): this test is really _slow_ because of how long it takes to compute
// and generate a new crypto key.
func TestGenPrivateKey(t *testing.T) {
// test that calling by default generates an RSA private key
tpl := `{{genPrivateKey ""}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "RSA PRIVATE KEY") {
t.Error("Expected RSA PRIVATE KEY")
}
// test all acceptable arguments
tpl = `{{genPrivateKey "rsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "RSA PRIVATE KEY") {
t.Error("Expected RSA PRIVATE KEY")
}
tpl = `{{genPrivateKey "dsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "DSA PRIVATE KEY") {
t.Error("Expected DSA PRIVATE KEY")
}
tpl = `{{genPrivateKey "ecdsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "EC PRIVATE KEY") {
t.Error("Expected EC PRIVATE KEY")
}
// test bad
tpl = `{{genPrivateKey "bad"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if out != "Unknown type bad" {
t.Error("Expected type 'bad' to be an unknown crypto algorithm")
}
// ensure that we can base64 encode the string
tpl = `{{genPrivateKey "rsa" | b64enc}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
}
func TestUUIDGeneration(t *testing.T) {
tpl := `{{uuidv4}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 36 {
t.Error("Expected UUID of length 36")
}
out2, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if out == out2 {
t.Error("Expected subsequent UUID generations to be different")
}
}

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package sprig
import (
"time"
)
// Given a format and a date, format the date string.
//
// Date can be a `time.Time` or an `int, int32, int64`.
// In the later case, it is treated as seconds since UNIX
// epoch.
func date(fmt string, date interface{}) string {
return dateInZone(fmt, date, "Local")
}
func htmlDate(date interface{}) string {
return dateInZone("2006-01-02", date, "Local")
}
func htmlDateInZone(date interface{}, zone string) string {
return dateInZone("2006-01-02", date, zone)
}
func dateInZone(fmt string, date interface{}, zone string) string {
var t time.Time
switch date := date.(type) {
default:
t = time.Now()
case time.Time:
t = date
case int64:
t = time.Unix(date, 0)
case int:
t = time.Unix(int64(date), 0)
case int32:
t = time.Unix(int64(date), 0)
}
loc, err := time.LoadLocation(zone)
if err != nil {
loc, _ = time.LoadLocation("UTC")
}
return t.In(loc).Format(fmt)
}
func dateModify(fmt string, date time.Time) time.Time {
d, err := time.ParseDuration(fmt)
if err != nil {
return date
}
return date.Add(d)
}

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@ -0,0 +1,13 @@
package sprig
import (
"testing"
)
func TestHtmlDate(t *testing.T) {
t.Skip()
tpl := `{{ htmlDate 0}}`
if err := runt(tpl, "1970-01-01"); err != nil {
t.Error(err)
}
}

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package sprig
import (
"reflect"
)
// dfault checks whether `given` is set, and returns default if not set.
//
// This returns `d` if `given` appears not to be set, and `given` otherwise.
//
// For numeric types 0 is unset.
// For strings, maps, arrays, and slices, len() = 0 is considered unset.
// For bool, false is unset.
// Structs are never considered unset.
//
// For everything else, including pointers, a nil value is unset.
func dfault(d interface{}, given ...interface{}) interface{} {
if empty(given) || empty(given[0]) {
return d
}
return given[0]
}
// empty returns true if the given value has the zero value for its type.
func empty(given interface{}) bool {
g := reflect.ValueOf(given)
if !g.IsValid() {
return true
}
// Basically adapted from text/template.isTrue
switch g.Kind() {
default:
return g.IsNil()
case reflect.Array, reflect.Slice, reflect.Map, reflect.String:
return g.Len() == 0
case reflect.Bool:
return g.Bool() == false
case reflect.Complex64, reflect.Complex128:
return g.Complex() == 0
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return g.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return g.Uint() == 0
case reflect.Float32, reflect.Float64:
return g.Float() == 0
case reflect.Struct:
return false
}
return true
}
// coalesce returns the first non-empty value.
func coalesce(v ...interface{}) interface{} {
for _, val := range v {
if !empty(val) {
return val
}
}
return nil
}

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@ -0,0 +1,84 @@
package sprig
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestDefault(t *testing.T) {
tpl := `{{"" | default "foo"}}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
tpl = `{{default "foo" 234}}`
if err := runt(tpl, "234"); err != nil {
t.Error(err)
}
tpl = `{{default "foo" 2.34}}`
if err := runt(tpl, "2.34"); err != nil {
t.Error(err)
}
tpl = `{{ .Nothing | default "123" }}`
if err := runt(tpl, "123"); err != nil {
t.Error(err)
}
tpl = `{{ default "123" }}`
if err := runt(tpl, "123"); err != nil {
t.Error(err)
}
}
func TestEmpty(t *testing.T) {
tpl := `{{if empty 1}}1{{else}}0{{end}}`
if err := runt(tpl, "0"); err != nil {
t.Error(err)
}
tpl = `{{if empty 0}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty ""}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty 0.0}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty false}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
dict := map[string]interface{}{"top": map[string]interface{}{}}
tpl = `{{if empty .top.NoSuchThing}}1{{else}}0{{end}}`
if err := runtv(tpl, "1", dict); err != nil {
t.Error(err)
}
tpl = `{{if empty .bottom.NoSuchThing}}1{{else}}0{{end}}`
if err := runtv(tpl, "1", dict); err != nil {
t.Error(err)
}
}
func TestCoalesce(t *testing.T) {
tests := map[string]string{
`{{ coalesce 1 }}`: "1",
`{{ coalesce "" 0 nil 2 }}`: "2",
`{{ $two := 2 }}{{ coalesce "" 0 nil $two }}`: "2",
`{{ $two := 2 }}{{ coalesce "" $two 0 0 0 }}`: "2",
`{{ $two := 2 }}{{ coalesce "" $two 3 4 5 }}`: "2",
`{{ coalesce }}`: "<no value>",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
dict := map[string]interface{}{"top": map[string]interface{}{}}
tpl := `{{ coalesce .top.NoSuchThing .bottom .bottom.dollar "airplane"}}`
if err := runtv(tpl, "airplane", dict); err != nil {
t.Error(err)
}
}

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package sprig
func set(d map[string]interface{}, key string, value interface{}) map[string]interface{} {
d[key] = value
return d
}
func unset(d map[string]interface{}, key string) map[string]interface{} {
delete(d, key)
return d
}
func hasKey(d map[string]interface{}, key string) bool {
_, ok := d[key]
return ok
}
func pluck(key string, d ...map[string]interface{}) []interface{} {
res := []interface{}{}
for _, dict := range d {
if val, ok := dict[key]; ok {
res = append(res, val)
}
}
return res
}
func keys(dict map[string]interface{}) []string {
k := []string{}
for key := range dict {
k = append(k, key)
}
return k
}
func pick(dict map[string]interface{}, keys ...string) map[string]interface{} {
res := map[string]interface{}{}
for _, k := range keys {
if v, ok := dict[k]; ok {
res[k] = v
}
}
return res
}
func omit(dict map[string]interface{}, keys ...string) map[string]interface{} {
res := map[string]interface{}{}
omit := make(map[string]bool, len(keys))
for _, k := range keys {
omit[k] = true
}
for k, v := range dict {
if _, ok := omit[k]; !ok {
res[k] = v
}
}
return res
}
func dict(v ...interface{}) map[string]interface{} {
dict := map[string]interface{}{}
lenv := len(v)
for i := 0; i < lenv; i += 2 {
key := strval(v[i])
if i+1 >= lenv {
dict[key] = ""
continue
}
dict[key] = v[i+1]
}
return dict
}

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@ -0,0 +1,137 @@
package sprig
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestDict(t *testing.T) {
tpl := `{{$d := dict 1 2 "three" "four" 5}}{{range $k, $v := $d}}{{$k}}{{$v}}{{end}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 12 {
t.Errorf("Expected length 12, got %d", len(out))
}
// dict does not guarantee ordering because it is backed by a map.
if !strings.Contains(out, "12") {
t.Error("Expected grouping 12")
}
if !strings.Contains(out, "threefour") {
t.Error("Expected grouping threefour")
}
if !strings.Contains(out, "5") {
t.Error("Expected 5")
}
tpl = `{{$t := dict "I" "shot" "the" "albatross"}}{{$t.the}} {{$t.I}}`
if err := runt(tpl, "albatross shot"); err != nil {
t.Error(err)
}
}
func TestUnset(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- $_ := unset $d "two" -}}
{{- range $k, $v := $d}}{{$k}}{{$v}}{{- end -}}
`
expect := "one1"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestHasKey(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- if hasKey $d "one" -}}1{{- end -}}
`
expect := "1"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestPluck(t *testing.T) {
tpl := `
{{- $d := dict "one" 1 "two" 222222 -}}
{{- $d2 := dict "one" 1 "two" 33333 -}}
{{- $d3 := dict "one" 1 -}}
{{- $d4 := dict "one" 1 "two" 4444 -}}
{{- pluck "two" $d $d2 $d3 $d4 -}}
`
expect := "[222222 33333 4444]"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestKeys(t *testing.T) {
tests := map[string]string{
`{{ dict "foo" 1 "bar" 2 | keys | sortAlpha }}`: "[bar foo]",
`{{ dict | keys }}`: "[]",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestPick(t *testing.T) {
tests := map[string]string{
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "two" | len -}}`: "1",
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "two" -}}`: "map[two:222222]",
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "one" "two" | len -}}`: "2",
`{{- $d := dict "one" 1 "two" 222222 }}{{ pick $d "one" "two" "three" | len -}}`: "2",
`{{- $d := dict }}{{ pick $d "two" | len -}}`: "0",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestOmit(t *testing.T) {
tests := map[string]string{
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "one" | len -}}`: "1",
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "one" -}}`: "map[two:222222]",
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "one" "two" | len -}}`: "0",
`{{- $d := dict "one" 1 "two" 222222 }}{{ omit $d "two" "three" | len -}}`: "1",
`{{- $d := dict }}{{ omit $d "two" | len -}}`: "0",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestSet(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- $_ := set $d "two" 2 -}}
{{- $_ := set $d "three" 3 -}}
{{- if hasKey $d "one" -}}{{$d.one}}{{- end -}}
{{- if hasKey $d "two" -}}{{$d.two}}{{- end -}}
{{- if hasKey $d "three" -}}{{$d.three}}{{- end -}}
`
expect := "123"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestCompact(t *testing.T) {
tests := map[string]string{
`{{ list 1 0 "" "hello" | compact }}`: `[1 hello]`,
`{{ list "" "" | compact }}`: `[]`,
`{{ list | compact }}`: `[]`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}

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/*
Sprig: Template functions for Go.
This package contains a number of utility functions for working with data
inside of Go `html/template` and `text/template` files.
To add these functions, use the `template.Funcs()` method:
t := templates.New("foo").Funcs(sprig.FuncMap())
Note that you should add the function map before you parse any template files.
In several cases, Sprig reverses the order of arguments from the way they
appear in the standard library. This is to make it easier to pipe
arguments into functions.
Date Functions
- date FORMAT TIME: Format a date, where a date is an integer type or a time.Time type, and
format is a time.Format formatting string.
- dateModify: Given a date, modify it with a duration: `date_modify "-1.5h" now`. If the duration doesn't
parse, it returns the time unaltered. See `time.ParseDuration` for info on duration strings.
- now: Current time.Time, for feeding into date-related functions.
- htmlDate TIME: Format a date for use in the value field of an HTML "date" form element.
- dateInZone FORMAT TIME TZ: Like date, but takes three arguments: format, timestamp,
timezone.
- htmlDateInZone TIME TZ: Like htmlDate, but takes two arguments: timestamp,
timezone.
String Functions
- abbrev: Truncate a string with ellipses. `abbrev 5 "hello world"` yields "he..."
- abbrevboth: Abbreviate from both sides, yielding "...lo wo..."
- trunc: Truncate a string (no suffix). `trunc 5 "Hello World"` yields "hello".
- trim: strings.TrimSpace
- trimAll: strings.Trim, but with the argument order reversed `trimAll "$" "$5.00"` or `"$5.00 | trimAll "$"`
- trimSuffix: strings.TrimSuffix, but with the argument order reversed: `trimSuffix "-" "ends-with-"`
- trimPrefix: strings.TrimPrefix, but with the argument order reversed `trimPrefix "$" "$5"`
- upper: strings.ToUpper
- lower: strings.ToLower
- nospace: Remove all space characters from a string. `nospace "h e l l o"` becomes "hello"
- title: strings.Title
- untitle: Remove title casing
- repeat: strings.Repeat, but with the arguments switched: `repeat count str`. (This simplifies common pipelines)
- substr: Given string, start, and length, return a substr.
- initials: Given a multi-word string, return the initials. `initials "Matt Butcher"` returns "MB"
- randAlphaNum: Given a length, generate a random alphanumeric sequence
- randAlpha: Given a length, generate an alphabetic string
- randAscii: Given a length, generate a random ASCII string (symbols included)
- randNumeric: Given a length, generate a string of digits.
- wrap: Force a line wrap at the given width. `wrap 80 "imagine a longer string"`
- wrapWith: Wrap a line at the given length, but using 'sep' instead of a newline. `wrapWith 50, "<br>", $html`
- contains: strings.Contains, but with the arguments switched: `contains substr str`. (This simplifies common pipelines)
- hasPrefix: strings.hasPrefix, but with the arguments switched
- hasSuffix: strings.hasSuffix, but with the arguments switched
- quote: Wrap string(s) in double quotation marks, escape the contents by adding '\' before '"'.
- squote: Wrap string(s) in double quotation marks, does not escape content.
- cat: Concatenate strings, separating them by spaces. `cat $a $b $c`.
- indent: Indent a string using space characters. `indent 4 "foo\nbar"` produces " foo\n bar"
- replace: Replace an old with a new in a string: `$name | replace " " "-"`
- plural: Choose singular or plural based on length: `len $fish | plural "one anchovy" "many anchovies"`
- sha256sum: Generate a hex encoded sha256 hash of the input
- toString: Convert something to a string
String Slice Functions:
- join: strings.Join, but as `join SEP SLICE`
- split: strings.Split, but as `split SEP STRING`. The results are returned
as a map with the indexes set to _N, where N is an integer starting from 0.
Use it like this: `{{$v := "foo/bar/baz" | split "/"}}{{$v._0}}` (Prints `foo`)
- splitList: strings.Split, but as `split SEP STRING`. The results are returned
as an array.
- toStrings: convert a list to a list of strings. 'list 1 2 3 | toStrings' produces '["1" "2" "3"]'
- sortAlpha: sort a list lexicographically.
Integer Slice Functions:
- until: Given an integer, returns a slice of counting integers from 0 to one
less than the given integer: `range $i, $e := until 5`
- untilStep: Given start, stop, and step, return an integer slice starting at
'start', stopping at `stop`, and incrementing by 'step. This is the same
as Python's long-form of 'range'.
Conversions:
- atoi: Convert a string to an integer. 0 if the integer could not be parsed.
- in64: Convert a string or another numeric type to an int64.
- int: Convert a string or another numeric type to an int.
- float64: Convert a string or another numeric type to a float64.
Defaults:
- default: Give a default value. Used like this: trim " "| default "empty".
Since trim produces an empty string, the default value is returned. For
things with a length (strings, slices, maps), len(0) will trigger the default.
For numbers, the value 0 will trigger the default. For booleans, false will
trigger the default. For structs, the default is never returned (there is
no clear empty condition). For everything else, nil value triggers a default.
- empty: Return true if the given value is the zero value for its type.
Caveats: structs are always non-empty. This should match the behavior of
{{if pipeline}}, but can be used inside of a pipeline.
- coalesce: Given a list of items, return the first non-empty one.
This follows the same rules as 'empty'. '{{ coalesce .someVal 0 "hello" }}`
will return `.someVal` if set, or else return "hello". The 0 is skipped
because it is an empty value.
- compact: Return a copy of a list with all of the empty values removed.
'list 0 1 2 "" | compact' will return '[1 2]'
OS:
- env: Resolve an environment variable
- expandenv: Expand a string through the environment
File Paths:
- base: Return the last element of a path. https://golang.org/pkg/path#Base
- dir: Remove the last element of a path. https://golang.org/pkg/path#Dir
- clean: Clean a path to the shortest equivalent name. (e.g. remove "foo/.."
from "foo/../bar.html") https://golang.org/pkg/path#Clean
- ext: https://golang.org/pkg/path#Ext
- isAbs: https://golang.org/pkg/path#IsAbs
Encoding:
- b64enc: Base 64 encode a string.
- b64dec: Base 64 decode a string.
Reflection:
- typeOf: Takes an interface and returns a string representation of the type.
For pointers, this will return a type prefixed with an asterisk(`*`). So
a pointer to type `Foo` will be `*Foo`.
- typeIs: Compares an interface with a string name, and returns true if they match.
Note that a pointer will not match a reference. For example `*Foo` will not
match `Foo`.
- typeIsLike: Compares an interface with a string name and returns true if
the interface is that `name` or that `*name`. In other words, if the given
value matches the given type or is a pointer to the given type, this returns
true.
- kindOf: Takes an interface and returns a string representation of its kind.
- kindIs: Returns true if the given string matches the kind of the given interface.
Note: None of these can test whether or not something implements a given
interface, since doing so would require compiling the interface in ahead of
time.
Data Structures:
- tuple: Takes an arbitrary list of items and returns a slice of items. Its
tuple-ish properties are mainly gained through the template idiom, and not
through an API provided here. WARNING: The implementation of tuple will
change in the future.
- list: An arbitrary ordered list of items. (This is prefered over tuple.)
- dict: Takes a list of name/values and returns a map[string]interface{}.
The first parameter is converted to a string and stored as a key, the
second parameter is treated as the value. And so on, with odds as keys and
evens as values. If the function call ends with an odd, the last key will
be assigned the empty string. Non-string keys are converted to strings as
follows: []byte are converted, fmt.Stringers will have String() called.
errors will have Error() called. All others will be passed through
fmt.Sprtinf("%v").
Lists Functions:
These are used to manipulate lists: '{{ list 1 2 3 | reverse | first }}'
- first: Get the first item in a 'list'. 'list 1 2 3 | first' prints '1'
- last: Get the last item in a 'list': 'list 1 2 3 | last ' prints '3'
- rest: Get all but the first item in a list: 'list 1 2 3 | rest' returns '[2 3]'
- initial: Get all but the last item in a list: 'list 1 2 3 | initial' returns '[1 2]'
- append: Add an item to the end of a list: 'append $list 4' adds '4' to the end of '$list'
- prepend: Add an item to the beginning of a list: 'prepend $list 4' puts 4 at the beginning of the list.
- reverse: Reverse the items in a list.
- uniq: Remove duplicates from a list.
- without: Return a list with the given values removed: 'without (list 1 2 3) 1' would return '[2 3]'
- has: Return 'true' if the item is found in the list: 'has "foo" $list' will return 'true' if the list contains "foo"
Dict Functions:
These are used to manipulate dicts.
- set: Takes a dict, a key, and a value, and sets that key/value pair in
the dict. `set $dict $key $value`. For convenience, it returns the dict,
even though the dict was modified in place.
- unset: Takes a dict and a key, and deletes that key/value pair from the
dict. `unset $dict $key`. This returns the dict for convenience.
- hasKey: Takes a dict and a key, and returns boolean true if the key is in
the dict.
- pluck: Given a key and one or more maps, get all of the values for that key.
- keys: Get an array of all of the keys in a dict.
- pick: Select just the given keys out of the dict, and return a new dict.
- omit: Return a dict without the given keys.
Math Functions:
Integer functions will convert integers of any width to `int64`. If a
string is passed in, functions will attempt to convert with
`strconv.ParseInt(s, 1064)`. If this fails, the value will be treated as 0.
- add1: Increment an integer by 1
- add: Sum an arbitrary number of integers
- sub: Subtract the second integer from the first
- div: Divide the first integer by the second
- mod: Module of first integer divided by second
- mul: Multiply integers
- max: Return the biggest of a series of one or more integers
- min: Return the smallest of a series of one or more integers
- biggest: DEPRECATED. Return the biggest of a series of one or more integers
Crypto Functions:
- genPrivateKey: Generate a private key for the given cryptosystem. If no
argument is supplied, by default it will generate a private key using
the RSA algorithm. Accepted values are `rsa`, `dsa`, and `ecdsa`.
- derivePassword: Derive a password from the given parameters according to the ["Master Password" algorithm](http://masterpasswordapp.com/algorithm.html)
Given parameters (in order) are:
`counter` (starting with 1), `password_type` (maximum, long, medium, short, basic, or pin), `password`,
`user`, and `site`
SemVer Functions:
These functions provide version parsing and comparisons for SemVer 2 version
strings.
- semver: Parse a semantic version and return a Version object.
- semverCompare: Compare a SemVer range to a particular version.
*/
package sprig

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# Type Conversion Functions
The following type conversion functions are provided by Sprig:
- `atoi`: Convert a string to an integer
- `float64`: Convert to a float64
- `int`: Convert to an `int` at the system's width.
- `int64`: Convert to an `int64`
- `toString`: Convert to a string
- `toStrings`: Convert a list, slice, or array to a list of strings.
Only `atoi` requires that the input be a specific type. The others will attempt
to convert from any type to the destination type. For example, `int64` can convert
floats to ints, and it can also convert strings to ints.
## toStrings
Given a list-like collection, produce a slice of strings.
```
list 1 2 3 | toStrings
```
The above converts `1` to `"1"`, `2` to `"2"`, and so on, and then returns
them as a list.

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# Cryptographic and Security Functions
Sprig provides a couple of advanced cryptographic functions.
## sha256sum
The `sha256sum` function receives a string, and computes it's SHA256 digest.
```
sha256sum "Hello world!"
```
The above will compute the SHA 256 sum in an "ASCII armored" format that is
safe to print.
## derivePassword
The `derivePassword` function can be used to derive a specific password based on
some shared "master password" constraints. The algorithm for this is
[well specified](http://masterpasswordapp.com/algorithm.html).
```
derivePassword 1 "long" "password" "user" "example.com"
```
Note that it is considered insecure to store the parts directly in the template.
## generatePrivateKey
The `generatePrivateKey` function generates a new private key encoded into a PEM
block.
It takes one of the values for its first param:
- `ecdsa`: Generate an elyptical curve DSA key (P256)
- `dsa`: Generate a DSA key (L2048N256)
- `rsa`: Generate an RSA 4096 key

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# Date Functions
## now
The current date/time. Use this in conjunction with other date functions.
## date
The `date` function formats a date.
Format the date to YEAR-MONTH-DAY:
```
now | date "2006-01-02"
```
Date formatting in Go is a [little bit different](https://pauladamsmith.com/blog/2011/05/go_time.html).
In short, take this as the base date:
```
Mon Jan 2 15:04:05 MST 2006
```
Write it in the format you want. Above, `2006-01-02` is the same date, but
in the format we want.
## dateInZone
Same as `date`, but with a timezone.
```
date "2006-01-02" (now) "UTC"
```
## dateModify
The `dateModify` takes a modification and a date and returns the timestamp.
Subtract an hour and thirty minutes from the current time:
```
now | date_modify "-1.5h"
```
## htmlDate
The `htmlDate` function formates a date for inserting into an HTML date picker
input field.
```
now | htmlDate
```
## htmlDateInZone
Same as htmlDate, but with a timezone.
```
htmlDate (now) "UTC"
```

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# Default Functions
Sprig provides tools for setting default values for templates.
## default
To set a simple default value, use `default`:
```
default "foo" .Bar
```
In the above, if `.Bar` evaluates to a non-empty value, it will be used. But if
it is empty, `foo` will be returned instead.
The definition of "empty" depends on type:
- Numeric: 0
- String: ""
- Lists: `[]`
- Dicts: `{}`
- Boolean: `false`
- And always `nil` (aka null)
For structs, there is no definition of empty, so a struct will never return the
default.
## empty
The `empty` function returns `true` if the given value is considered empty, and
`false` otherwise. The empty values are listed in the `default` section.
```
empty .Foo
```
Note that in Go template conditionals, emptiness is calculated for you. Thus,
you rarely need `if empty .Foo`. Instead, just use `if .Foo`.
## coalesce
The `coalesce` function takes a list of values and returns the first non-empty
one.
```
coalesce 0 1 2
```
The above returns `1`.
This function is useful for scanning through multiple variables or values:
```
coalesce .name .parent.name "Matt"
```
The above will first check to see if `.name` is empty. If it is not, it will return
that value. If it _is_ empty, `coalesce` will evaluate `.parent.name` for emptiness.
Finally, if both `.name` and `.parent.name` are empty, it will return `Matt`.

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# Dictionaries and Dict Functions
Sprig provides a key/value storage type called a `dict` (short for "dictionary",
as in Python). A `dict` is an _unorder_ type.
The key to a dictionary **must be a string**. However, the value can be any
type, even another `dict` or `list`.
Unlike `list`s, `dict`s are not immutable. The `set` and `unset` functions will
modify the contents of a dictionary.
## dict
Creating dictionaries is done by calling the `dict` function and passing it a
list of pairs.
The following creates a dictionary with three items:
```
$myDict := dict "name1" "value1" "name2" "value2" "name3" "value 3"
```
## set
Use `set` to add a new key/value pair to a dictionary.
```
$_ := set $myDict "name4" "value4"
```
Note that `set` _returns the dictionary_ (a requirement of Go template functions),
so you may need to trap the value as done above with the `$_` assignment.
## unset
Given a map and a key, delete the key from the map.
```
$_ := unset $myDict "name4"
```
As with `set`, this returns the dictionary.
Note that if the key is not found, this operation will simply return. No error
will be generated.
## hasKey
The `hasKey` function returns `true` if the given dict contains the given key.
```
hasKey $myDict "name1"
```
If the key is not found, this returns `false`.
## pluck
The `pluck` function makes it possible to give one key and multiple maps, and
get a list of all of the matches:
```
pluck "name1" $myDict $myOtherDict
```
The above will return a `list` containing every found value (`[value1 otherValue1]`).
If the give key is _not found_ in a map, that map will not have an item in the
list (and the length of the returned list will be less than the number of dicts
in the call to `pluck`.
If the key is _found_ but the value is an empty value, that value will be
inserted.
A common idiom in Sprig templates is to uses `pluck... | first` to get the first
matching key out of a collection of dictionaries.
## keys
The `keys` function will return a `list` of all of the keys in a `dict`. Since
a dictionary is _unordered_, the keys will not be in a predictable order. They
can be sorted with `sortAlpha`.
```
keys $myDict | sortAlpha
```
## pick
The `pick` function selects just the given keys out of a dictionary, creating a
new `dict`.
```
$new := pick $myDict "name1" "name3"
```
The above returns `{name1: value1, name2: value2}`
## omit
The `omit` function is similar to `pick`, except it returns a new `dict` with all
the keys that _do not_ match the given keys.
```
$new := omit $myDict "name1" "name3"
```
The above returns `{name2: value2}`
## A Note on Dict Internals
A `dict` is implemented in Go as a `map[string]interface{}`. Go developers can
pass `map[string]interface{}` values into the context to make them available
to templates as `dict`s.

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# Encoding Functions
Sprig has the following encoding and decoding functions:
- `b64enc`/`b64dec`: Encode or decode with Base64
- `b32enc`/`b32dec`: Encode or decode with Base32

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# Sprig Function Documentation
The Sprig library provides over 70 template functions for Go's template language.
- [String Functions](strings.html): `trim`, `wrap`, `randAlpha`, `plural`, etc.
- [String List Functions](string_slice.html): `splitList`, `sortAlpha`, etc.
- [Math Functions](math.html): `add`, `max`, `mul`, etc.
- [Integer Slice Functions](integer_slice.html): `until`, `untilStep`
- [Date Functions](date.html): `now`, `date`, etc.
- [Defaults Functions](defaults.html): `default`, `empty`, `coalesce`
- [Encoding Functions](encoding.html): `b64enc`, `b64dec`, etc.
- [Lists and List Functions](lists.html): `list`, `first`, `uniq`, etc.
- [Dictionaries and Dict Functions](dicts.html): `dict`, `hasKey`, `pluck`, etc.
- [Type Conversion Functions](conversion.html): `atoi`, `int64`, `toString`, etc.
- [File Path Functions](paths.html): `base`, `dir`, `ext`, `clean`, `isAbs`
- Advanced Functions
- [UUID Functions](uuid.html): `uuidv4`
- [OS Functions](os.html): `env`, `expandenv`
- [Version Comparison Functions](semver.html): `semver`, `semverCompare`
- [Reflection](reflection.html): `typeOf`, `kindIs`, `typeIsLike`, etc.
- [Cryptographic and Security Functions](crypto.html): `derivePassword`, `sha256sum`, `genPrivateKey`

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# Integer Slice Functions
## until
The `until` function builds a range of integers.
```
until 5
```
The above generates the list `[0, 1, 2, 3, 4]`.
This is useful for looping with `range $i, $e := until 5`.
## untilStep
Like `until`, `untilStep` generates a list of counting integers. But it allows
you to define a start, stop, and step:
```
untilStep 3 6 2
```
The above will produce `[3 5]` by starting with 3, and adding 2 until it is equal
or greater than 6. This is similar to Python's `range` function.

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# Lists and List Functions
Sprig provides a simple `list` type that can contain arbitrary sequential lists
of data. This is similar to arrays or slices, but lists are designed to be used
as immutable data types.
Create a list of integers:
```
$myList := list 1 2 3 4 5
```
The above creates a list of `[1 2 3 4 5]`.
## first
To get the head item on a list, use `first`.
`first $myList` returns `1`
## rest
To get the tail of the list (everything but the first item), use `rest`.
`rest $myList` returns `[2 3 4 5]`
## last
To get the last item on a list, use `last`:
`last $myList` returns `5`. This is roughly analogous to reversing a list and
then calling `first`.
## initial
This compliments `last` by returning all _but_ the last element.
`initial $myList` returns `[1 2 3 4]`.
## append
Append a new item to an existing list, creating a new list.
```
$new = append $myList 6
```
The above would set `$new` to `[1 2 3 4 5 6]`. `$myList` would remain unaltered.
## prepend
Push an alement onto the front of a list, creating a new list.
```
prepend $myList 0
```
The above would produce `[0 1 2 3 4 5]`. `$myList` would remain unaltered.
## reverse
Produce a new list with the reversed elements of the given list.
```
reverse $myList
```
The above would generate the list `[5 4 3 2 1]`.
## uniq
Generate a list with all of the duplicates removed.
```
list 1 1 1 2 | uniq
```
The above would produce `[1 2]`
## without
The `without` function filters items out of a list.
```
without $myList 3
```
The above would produce `[1 2 4 5]`
Without can take more than one filter:
```
without $myList 1 3 5
```
That would produce `[2 4]`
## has
Test to see if a list has a particular element.
```
has $myList 4
```
The above would return `true`, while `has $myList "hello"` would return false.
## A Note on List Internals
A list is implemented in Go as a `[]interface{}`. For Go developers embedding
Sprig, you may pass `[]interface{}` items into your template context and be
able to use all of the `list` functions on those items.

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# Math Functions
All math functions operate on `int64` values unless specified otherwise.
(In the future, these will be extended to handle floats as well)
## add
Sum numbers with `add`
## add1
To increment by 1, use `add1`
## sub
To subtract, use `sub`
## div
Perform integer division with `div`
## mod
Modulo with `mod`
## mul
Multiply with `mul`
## max
Return the largest of a series of integers:
This will return `3`:
```
max 1 2 3
```
## min
Return the smallest of a series of integers.
`min 1 2 3` will return `1`.

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# OS Functions
_WARNING:_ These functions can lead to information leakage if not used
appropriately.
_WARNING:_ Some notable implementations of Sprig (such as
[Kubernetes Helm](http://helm.sh) _do not provide these functions for security
reasons_.
## env
The `env` function reads an environment variable:
```
env "HOME"
```
## expandenv
To substitute environment variables in a string, use `expandenv`:
```
expandenv "Your path is set to $PATH"
```

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# File Path Functions
While Sprig does not grant access to the filesystem, it does provide functions
for working with strings that follow file path conventions.
# base
Return the last element of a path.
```
base "foo/bar/baz"
```
The above prints "baz"
# dir
Return the directory, stripping the last part of the path. So `dir "foo/bar/baz"`
returns `foo/bar`
# clean
Clean up a path.
```
clean "foo/bar/../baz"
```
The above resolves the `..` and returns `foo/baz`
# ext
Return the file extension.
```
ext "foo.bar"
```
The above returns `.bar`.
# isAbs
To check whether a file path is absolute, use `isAbs`.

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# Reflection Functions
Sprig provides rudimentary reflection tools. These help advanced template
developers understand the underlying Go type information for a particular value.
Go has several primitive _kinds_, like `string`, `slice`, `int64`, and `bool`.
Go has an open _type_ system that allows developers to create their own types.
Sprig provides a set of functions for each.
## Kind Functions
There are two Kind functions: `kindOf` returns the kind of an object.
```
kindOf "hello"
```
The above would return `string`. For simple tests (like in `if` blocks), the
`isKind` function will let you verify that a value is a particular kind:
```
kindIs "int" 123
```
The above will return `true`
## Type Functions
Types are slightly harder to work with, so there are three different functions:
- `typeOf` returns the underlying type of a value: `typeOf $foo`
- `typeIs` is like `kindIs`, but for types: `typeIs "*io.Buffer" $myVal`
- `typeIsLike` works as `kindIs`, except that it also dereferences pointers.
**Note:** None of these can test whether or not something implements a given
interface, since doing so would require compiling the interface in ahead of time.

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# Semantic Version Functions
Some version schemes are easily parseable and comparable. Sprig provides functions
for working with [SemVer 2](http://semver.org) versions.
## semver
The `semver` function parses a string into a Semantic Version:
```
$version := semver "1.2.3-alpha.1+123"
```
_If the parser fails, it will cause template execution to halt with an error._
At this point, `$version` is a pointer to a `Version` object with the following
properties:
- `$version.Major`: The major number (`1` above)
- `$version.Minor`: The minor number (`2` above)
- `$version.Patch`: The patch number (`3` above)
- `$version.Prerelease`: The prerelease (`alpha.1` above)
- `$version.Metadata`: The build metadata (`123` above)
- `$version.Original`: The original version as a string
Additionally, you can compare a `Version` to another `version` using the `Compare`
function:
```
semver "1.4.3" | (semver "1.2.3").Compare
```
The above will return `-1`.
The return values are:
- `-1` if the given semver is greater than the semver whose `Compare` method was called
- `1` if the version who's `Compare` function was called is greater.
- `0` if they are the same version
(Note that in SemVer, the `Metadata` field is not compared during version
comparison operations.)
## semverCompare
A more robust comparison function is provided as `semverCompare`. This version
supports version ranges:
- `semverCompare "1.2.3" "1.2.3"` checks for an exact match
- `semverCompare "^1.2.0" "1.2.3"` checks that the major and minor versions match, and that the patch
number of the second version is _greater than or equal to_ the first parameter.
The SemVer functions use the [Masterminds semver library](https://github.com/Masterminds/semver),
from the creators of Sprig.
## Basic Comparisons
There are two elements to the comparisons. First, a comparison string is a list
of comma separated and comparisons. These are then separated by || separated or
comparisons. For example, `">= 1.2, < 3.0.0 || >= 4.2.3"` is looking for a
comparison that's greater than or equal to 1.2 and less than 3.0.0 or is
greater than or equal to 4.2.3.
The basic comparisons are:
* `=`: equal (aliased to no operator)
* `!=`: not equal
* `>`: greater than
* `<`: less than
* `>=`: greater than or equal to
* `<=`: less than or equal to
_Note, according to the Semantic Version specification pre-releases may not be
API compliant with their release counterpart. It says,_
> _A pre-release version indicates that the version is unstable and might not satisfy the intended compatibility requirements as denoted by its associated normal version._
_SemVer comparisons without a pre-release value will skip pre-release versions.
For example, `>1.2.3` will skip pre-releases when looking at a list of values
while `>1.2.3-alpha.1` will evaluate pre-releases._
## Hyphen Range Comparisons
There are multiple methods to handle ranges and the first is hyphens ranges.
These look like:
* `1.2 - 1.4.5` which is equivalent to `>= 1.2, <= 1.4.5`
* `2.3.4 - 4.5` which is equivalent to `>= 2.3.4, <= 4.5`
## Wildcards In Comparisons
The `x`, `X`, and `*` characters can be used as a wildcard character. This works
for all comparison operators. When used on the `=` operator it falls
back to the pack level comparison (see tilde below). For example,
* `1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
* `>= 1.2.x` is equivalent to `>= 1.2.0`
* `<= 2.x` is equivalent to `<= 3`
* `*` is equivalent to `>= 0.0.0`
## Tilde Range Comparisons (Patch)
The tilde (`~`) comparison operator is for patch level ranges when a minor
version is specified and major level changes when the minor number is missing.
For example,
* `~1.2.3` is equivalent to `>= 1.2.3, < 1.3.0`
* `~1` is equivalent to `>= 1, < 2`
* `~2.3` is equivalent to `>= 2.3, < 2.4`
* `~1.2.x` is equivalent to `>= 1.2.0, < 1.3.0`
* `~1.x` is equivalent to `>= 1, < 2`
## Caret Range Comparisons (Major)
The caret (`^`) comparison operator is for major level changes. This is useful
when comparisons of API versions as a major change is API breaking. For example,
* `^1.2.3` is equivalent to `>= 1.2.3, < 2.0.0`
* `^1.2.x` is equivalent to `>= 1.2.0, < 2.0.0`
* `^2.3` is equivalent to `>= 2.3, < 3`
* `^2.x` is equivalent to `>= 2.0.0, < 3`

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# String Slice Functions
These function operate on or generate slices of strings. In Go, a slice is a
growable array. In Sprig, it's a special case of a `list`.
## join
Join a list of strings into a single string, with the given separator.
```
list "hello" "world" | join "_"
```
The above will produce `hello_world`
`join` will try to convert non-strings to a string value:
```
list 1 2 3 | join "+"
```
The above will produce `1+2+3`
## splitList and split
Split a string into a list of strings:
```
splitList "$" "foo$bar$baz"
```
The above will return `[foo bar baz]`
The older `split` function splits a string into a `dict`. It is designed to make
it easy to use template dot notation for accessing members:
```
$a := split "$" "foo$bar$baz"
```
The above produces a map with index keys. `{_0: foo, _1: bar, _2: baz}`
```
$a._0
```
The above produces `foo`
## sortAlpha
The `sortAlpha` function sorts a list of strings into alphabetical (lexicographical)
order.
It does _not_ sort in place, but returns a sorted copy of the list, in keeping
with the immutability of lists.

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# String Functions
Sprig has a number of string manipulation functions.
## trim
The `trim` function removes space from either side of a string:
```
trim " hello "
```
The above produces `hello`
## trimAll
Remove given characters from the front or back of a string:
```
trimAll "$" "$5.00"
```
The above returns `5.00` (as a string).
## trimSuffix
Trim just the suffix from a string:
```
trimSuffix "-" "hello-"
```
The above returns `hello`
## upper
Convert the entire string to uppercase:
```
upper "hello"
```
The above returns `HELLO`
## lower
Convert the entire string to lowercase:
```
lower "HELLO"
```
The above returns `hello`
## title
Convert to title case:
```
title "hello world"
```
The above returns `Hello World`
## untitle
Remove title casing. `untitle "Hello World"` produces `hello world`.
## repeat
Repeat a string multiple times:
```
repeat 3 "hello"
```
The above returns `hellohellohello`
## substr
Get a substring from a string. It takes three parameters:
- start (int)
- length (int)
- string (string)
```
substr 0 5 "hello world"
```
The above returns `hello`
## nospace
Remove all whitespace from a string.
```
nospace "hello w o r l d"
```
The above returns `helloworld`
## trunc
Truncate a string (and add no suffix)
```
trunc 5 "hello world"
```
The above produces `hello`.
## abbrev
Truncate a string with ellipses (`...`)
Parameters:
- max length
- the string
```
abbrev 5 "hello world"
```
The above returns `he...`, since it counts the width of the ellipses against the
maximum length.
## abbrevboth
Abbreviate both sides:
```
abbrevboth 5 10 "1234 5678 9123"
```
the above produces `...5678...`
It takes:
- left offset
- max length
- the string
## initials
Given multiple words, take the first letter of each word and combine.
```
initials "First Try"
```
The above returns `FT`
## randAlphaNum, randAlpha, randNumeric, and randAscii
These four functions generate random strings, but with different base character
sets:
- `randAlphaNum` uses `0-9a-zA-Z`
- `randAlpha` uses `a-zA-Z`
- `randNumeric` uses `0-9`
- `randAscii` uses all printable ASCII characters
Each of them takes one parameter: the integer length of the string.
```
randNumeric 3
```
The above will produce a random string with three digits.
## wrap
Wrap text at a given column count:
```
wrap 80 $someText
```
The above will wrap the string in `$someText` at 80 columns.
## wrapWith
`wrapWith` works as `wrap`, but lets you specify the string to wrap with.
(`wrap` uses `\n`)
```
wrapWith 5 "\t" "Hello World"
```
The above produces `hello world` (where the whitespace is an ASCII tab
character)
## contains
Test to see if one string is contained inside of another:
```
contains "cat" "catch"
```
The above returns `true` because `catch` contains `cat`.
## hasPrefix and hasSuffix
The `hasPrefix` and `hasSuffix` functions test whether a string has a given
prefix or suffix:
```
hasPrefix "cat" "catch"
```
The above returns `true` because `catch` has the prefix `cat`.
## quote and squote
These functions wrap a string in double quotes (`quote`) or single quotes
(`squote`).
## cat
The `cat` function concatenates multiple strings together into one, separating
them with spaces:
```
cat "hello" "beautiful" "world"
```
The above produces `hello beautiful world`
## indent
The `indent` function indents every line in a given string to the specified
indent width. This is useful when aligning multi-line strings:
```
indent 4 $lots_of_text
```
The above will indent every line of text by 4 space characters.
## replace
Perform simple string replacement.
It takes three arguments:
- string to replace
- string to replace with
- source string
```
"I Am Henry VIII" | replace " " "-"
```
The above will produce `I-Am-Henry-VIII`
## plural
Pluralize a string.
```
len $fish | plural "one anchovy" "many anchovies"
```
In the above, if the length of the string is 1, the first argument will be
printed (`one anchovy`). Otherwise, the second argument will be printed
(`many anchovies`).
The arguments are:
- singular string
- plural string
- length integer
NOTE: Sprig does not currently support languages with more complex pluralization
rules. And `0` is considered a plural because the English language treats it
as such (`zero anchovies`). The Sprig developers are working on a solution for
better internationalization.
## See Also...
The [Conversion Functions](conversion.html) contain functions for converting
strings. The [String Slice Functions](string_slice.html) contains functions
for working with an array of strings.

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# UUID Functions
Sprig can generate UUID v4 universally unique IDs.
```
uuidv4
```
The above returns a new UUID of the v4 (randomly generated) type.

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/*
Sprig: Template functions for Go.
This package contains a number of utility functions for working with data
inside of Go `html/template` and `text/template` files.
To add these functions, use the `template.Funcs()` method:
t := templates.New("foo").Funcs(sprig.FuncMap())
Note that you should add the function map before you parse any template files.
In several cases, Sprig reverses the order of arguments from the way they
appear in the standard library. This is to make it easier to pipe
arguments into functions.
Date Functions
- date FORMAT TIME: Format a date, where a date is an integer type or a time.Time type, and
format is a time.Format formatting string.
- dateModify: Given a date, modify it with a duration: `date_modify "-1.5h" now`. If the duration doesn't
parse, it returns the time unaltered. See `time.ParseDuration` for info on duration strings.
- now: Current time.Time, for feeding into date-related functions.
- htmlDate TIME: Format a date for use in the value field of an HTML "date" form element.
- dateInZone FORMAT TIME TZ: Like date, but takes three arguments: format, timestamp,
timezone.
- htmlDateInZone TIME TZ: Like htmlDate, but takes two arguments: timestamp,
timezone.
String Functions
- abbrev: Truncate a string with ellipses. `abbrev 5 "hello world"` yields "he..."
- abbrevboth: Abbreviate from both sides, yielding "...lo wo..."
- trunc: Truncate a string (no suffix). `trunc 5 "Hello World"` yields "hello".
- trim: strings.TrimSpace
- trimAll: strings.Trim, but with the argument order reversed `trimAll "$" "$5.00"` or `"$5.00 | trimAll "$"`
- trimSuffix: strings.TrimSuffix, but with the argument order reversed: `trimSuffix "-" "ends-with-"`
- trimPrefix: strings.TrimPrefix, but with the argument order reversed `trimPrefix "$" "$5"`
- upper: strings.ToUpper
- lower: strings.ToLower
- nospace: Remove all space characters from a string. `nospace "h e l l o"` becomes "hello"
- title: strings.Title
- untitle: Remove title casing
- repeat: strings.Repeat, but with the arguments switched: `repeat count str`. (This simplifies common pipelines)
- substr: Given string, start, and length, return a substr.
- initials: Given a multi-word string, return the initials. `initials "Matt Butcher"` returns "MB"
- randAlphaNum: Given a length, generate a random alphanumeric sequence
- randAlpha: Given a length, generate an alphabetic string
- randAscii: Given a length, generate a random ASCII string (symbols included)
- randNumeric: Given a length, generate a string of digits.
- wrap: Force a line wrap at the given width. `wrap 80 "imagine a longer string"`
- wrapWith: Wrap a line at the given length, but using 'sep' instead of a newline. `wrapWith 50, "<br>", $html`
- contains: strings.Contains, but with the arguments switched: `contains substr str`. (This simplifies common pipelines)
- hasPrefix: strings.hasPrefix, but with the arguments switched
- hasSuffix: strings.hasSuffix, but with the arguments switched
- quote: Wrap string(s) in double quotation marks, escape the contents by adding '\' before '"'.
- squote: Wrap string(s) in double quotation marks, does not escape content.
- cat: Concatenate strings, separating them by spaces. `cat $a $b $c`.
- indent: Indent a string using space characters. `indent 4 "foo\nbar"` produces " foo\n bar"
- replace: Replace an old with a new in a string: `$name | replace " " "-"`
- plural: Choose singular or plural based on length: `len $fish | plural "one anchovy" "many anchovies"`
- sha256sum: Generate a hex encoded sha256 hash of the input
String Slice Functions:
- join: strings.Join, but as `join SEP SLICE`
- split: strings.Split, but as `split SEP STRING`. The results are returned
as a map with the indexes set to _N, where N is an integer starting from 0.
Use it like this: `{{$v := "foo/bar/baz" | split "/"}}{{$v._0}}` (Prints `foo`)
Integer Slice Functions:
- until: Given an integer, returns a slice of counting integers from 0 to one
less than the given integer: `range $i, $e := until 5`
- untilStep: Given start, stop, and step, return an integer slice starting at
'start', stopping at `stop`, and incrementing by 'step. This is the same
as Python's long-form of 'range'.
Conversions:
- atoi: Convert a string to an integer. 0 if the integer could not be parsed.
- in64: Convert a string or another numeric type to an int64.
- int: Convert a string or another numeric type to an int.
- float64: Convert a string or another numeric type to a float64.
Defaults:
- default: Give a default value. Used like this: trim " "| default "empty".
Since trim produces an empty string, the default value is returned. For
things with a length (strings, slices, maps), len(0) will trigger the default.
For numbers, the value 0 will trigger the default. For booleans, false will
trigger the default. For structs, the default is never returned (there is
no clear empty condition). For everything else, nil value triggers a default.
- empty: Return true if the given value is the zero value for its type.
Caveats: structs are always non-empty. This should match the behavior of
{{if pipeline}}, but can be used inside of a pipeline.
OS:
- env: Resolve an environment variable
- expandenv: Expand a string through the environment
File Paths:
- base: Return the last element of a path. https://golang.org/pkg/path#Base
- dir: Remove the last element of a path. https://golang.org/pkg/path#Dir
- clean: Clean a path to the shortest equivalent name. (e.g. remove "foo/.."
from "foo/../bar.html") https://golang.org/pkg/path#Clean
- ext: https://golang.org/pkg/path#Ext
- isAbs: https://golang.org/pkg/path#IsAbs
Encoding:
- b64enc: Base 64 encode a string.
- b64dec: Base 64 decode a string.
Reflection:
- typeOf: Takes an interface and returns a string representation of the type.
For pointers, this will return a type prefixed with an asterisk(`*`). So
a pointer to type `Foo` will be `*Foo`.
- typeIs: Compares an interface with a string name, and returns true if they match.
Note that a pointer will not match a reference. For example `*Foo` will not
match `Foo`.
- typeIsLike: Compares an interface with a string name and returns true if
the interface is that `name` or that `*name`. In other words, if the given
value matches the given type or is a pointer to the given type, this returns
true.
- kindOf: Takes an interface and returns a string representation of its kind.
- kindIs: Returns true if the given string matches the kind of the given interface.
Note: None of these can test whether or not something implements a given
interface, since doing so would require compiling the interface in ahead of
time.
Data Structures:
- tuple: Takes an arbitrary list of items and returns a slice of items. Its
tuple-ish properties are mainly gained through the template idiom, and not
through an API provided here.
- dict: Takes a list of name/values and returns a map[string]interface{}.
The first parameter is converted to a string and stored as a key, the
second parameter is treated as the value. And so on, with odds as keys and
evens as values. If the function call ends with an odd, the last key will
be assigned the empty string. Non-string keys are converted to strings as
follows: []byte are converted, fmt.Stringers will have String() called.
errors will have Error() called. All others will be passed through
fmt.Sprtinf("%v").
- set: Takes a dict, a key, and a value, and sets that key/value pair in
the dict. `set $dict $key $value`. For convenience, it returns the dict,
even though the dict was modified in place.
- unset: Takes a dict and a key, and deletes that key/value pair from the
dict. `unset $dict $key`. This returns the dict for convenience.
- hasKey: Takes a dict and a key, and returns boolean true if the key is in
the dict.
Math Functions:
Integer functions will convert integers of any width to `int64`. If a
string is passed in, functions will attempt to convert with
`strconv.ParseInt(s, 1064)`. If this fails, the value will be treated as 0.
- add1: Increment an integer by 1
- add: Sum an arbitrary number of integers
- sub: Subtract the second integer from the first
- div: Divide the first integer by the second
- mod: Module of first integer divided by second
- mul: Multiply integers
- max: Return the biggest of a series of one or more integers
- min: Return the smallest of a series of one or more integers
- biggest: DEPRECATED. Return the biggest of a series of one or more integers
Crypto Functions:
- genPrivateKey: Generate a private key for the given cryptosystem. If no
argument is supplied, by default it will generate a private key using
the RSA algorithm. Accepted values are `rsa`, `dsa`, and `ecdsa`.
*/
package sprig package sprig
import ( import (
"crypto/dsa"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"encoding/asn1"
"encoding/base32"
"encoding/base64"
"encoding/hex"
"encoding/pem"
"fmt"
"html/template" "html/template"
"math"
"math/big"
"os" "os"
"path" "path"
"reflect"
"strconv" "strconv"
"strings" "strings"
ttemplate "text/template" ttemplate "text/template"
"time" "time"
util "github.com/aokoli/goutils" util "github.com/aokoli/goutils"
uuid "github.com/satori/go.uuid"
) )
// Produce the function map. // Produce the function map.
// //
// Use this to pass the functions into the template engine: // Use this to pass the functions into the template engine:
// //
// tpl := template.New("foo").Funcs(sprig.FuncMap)) // tpl := template.New("foo").Funcs(sprig.FuncMap()))
// //
func FuncMap() template.FuncMap { func FuncMap() template.FuncMap {
return HtmlFuncMap() return HtmlFuncMap()
@ -235,12 +42,21 @@ func HermeticHtmlFuncMap() template.FuncMap {
// TextFuncMap returns a 'text/template'.FuncMap // TextFuncMap returns a 'text/template'.FuncMap
func TxtFuncMap() ttemplate.FuncMap { func TxtFuncMap() ttemplate.FuncMap {
return ttemplate.FuncMap(genericMap) return ttemplate.FuncMap(GenericFuncMap())
} }
// HtmlFuncMap returns an 'html/template'.Funcmap // HtmlFuncMap returns an 'html/template'.Funcmap
func HtmlFuncMap() template.FuncMap { func HtmlFuncMap() template.FuncMap {
return template.FuncMap(genericMap) return template.FuncMap(GenericFuncMap())
}
// GenericFuncMap returns a copy of the basic function map as a map[string]interface{}.
func GenericFuncMap() map[string]interface{} {
gfm := make(map[string]interface{}, len(genericMap))
for k, v := range genericMap {
gfm[k] = v
}
return gfm
} }
// These functions are not guaranteed to evaluate to the same result for given input, because they // These functions are not guaranteed to evaluate to the same result for given input, because they
@ -319,6 +135,7 @@ var genericMap = map[string]interface{}{
"replace": replace, "replace": replace,
"plural": plural, "plural": plural,
"sha256sum": sha256sum, "sha256sum": sha256sum,
"toString": strval,
// Wrap Atoi to stop errors. // Wrap Atoi to stop errors.
"atoi": func(a string) int { i, _ := strconv.Atoi(a); return i }, "atoi": func(a string) int { i, _ := strconv.Atoi(a); return i },
@ -333,6 +150,8 @@ var genericMap = map[string]interface{}{
// split "/" foo/bar returns map[int]string{0: foo, 1: bar} // split "/" foo/bar returns map[int]string{0: foo, 1: bar}
"split": split, "split": split,
"splitList": func(sep, orig string) []string { return strings.Split(orig, sep) },
"toStrings": strslice,
"until": until, "until": until,
"untilStep": untilStep, "untilStep": untilStep,
@ -362,11 +181,14 @@ var genericMap = map[string]interface{}{
// string slices. Note that we reverse the order b/c that's better // string slices. Note that we reverse the order b/c that's better
// for template processing. // for template processing.
"join": func(sep string, ss []string) string { return strings.Join(ss, sep) }, "join": join,
"sortAlpha": sortAlpha,
// Defaults // Defaults
"default": dfault, "default": dfault,
"empty": empty, "empty": empty,
"coalesce": coalesce,
"compact": compact,
// Reflection // Reflection
"typeOf": typeOf, "typeOf": typeOf,
@ -393,503 +215,36 @@ var genericMap = map[string]interface{}{
"b32dec": base32decode, "b32dec": base32decode,
// Data Structures: // Data Structures:
"tuple": tuple, "tuple": list, // FIXME: with the addition of append/prepend these are no longer immutable.
"list": list,
"dict": dict, "dict": dict,
"set": set, "set": set,
"unset": unset, "unset": unset,
"hasKey": hasKey, "hasKey": hasKey,
"pluck": pluck,
"keys": keys,
"pick": pick,
"omit": omit,
"append": push, "push": push,
"prepend": prepend,
"first": first,
"rest": rest,
"last": last,
"initial": initial,
"reverse": reverse,
"uniq": uniq,
"without": without,
"has": func(needle interface{}, haystack []interface{}) bool { return inList(haystack, needle) },
// Crypto: // Crypto:
"genPrivateKey": generatePrivateKey, "genPrivateKey": generatePrivateKey,
"derivePassword": derivePassword,
// UUIDs: // UUIDs:
"uuidv4": uuidv4, "uuidv4": uuidv4,
}
// SemVer:
func split(sep, orig string) map[string]string { "semver": semver,
parts := strings.Split(orig, sep) "semverCompare": semverCompare,
res := make(map[string]string, len(parts))
for i, v := range parts {
res["_"+strconv.Itoa(i)] = v
}
return res
}
// substring creates a substring of the given string.
//
// If start is < 0, this calls string[:length].
//
// If start is >= 0 and length < 0, this calls string[start:]
//
// Otherwise, this calls string[start, length].
func substring(start, length int, s string) string {
if start < 0 {
return s[:length]
}
if length < 0 {
return s[start:]
}
return s[start:length]
}
// Given a format and a date, format the date string.
//
// Date can be a `time.Time` or an `int, int32, int64`.
// In the later case, it is treated as seconds since UNIX
// epoch.
func date(fmt string, date interface{}) string {
return dateInZone(fmt, date, "Local")
}
func htmlDate(date interface{}) string {
return dateInZone("2006-01-02", date, "Local")
}
func htmlDateInZone(date interface{}, zone string) string {
return dateInZone("2006-01-02", date, zone)
}
func dateInZone(fmt string, date interface{}, zone string) string {
var t time.Time
switch date := date.(type) {
default:
t = time.Now()
case time.Time:
t = date
case int64:
t = time.Unix(date, 0)
case int:
t = time.Unix(int64(date), 0)
case int32:
t = time.Unix(int64(date), 0)
}
loc, err := time.LoadLocation(zone)
if err != nil {
loc, _ = time.LoadLocation("UTC")
}
return t.In(loc).Format(fmt)
}
func dateModify(fmt string, date time.Time) time.Time {
d, err := time.ParseDuration(fmt)
if err != nil {
return date
}
return date.Add(d)
}
func max(a interface{}, i ...interface{}) int64 {
aa := toInt64(a)
for _, b := range i {
bb := toInt64(b)
if bb > aa {
aa = bb
}
}
return aa
}
func min(a interface{}, i ...interface{}) int64 {
aa := toInt64(a)
for _, b := range i {
bb := toInt64(b)
if bb < aa {
aa = bb
}
}
return aa
}
// dfault checks whether `given` is set, and returns default if not set.
//
// This returns `d` if `given` appears not to be set, and `given` otherwise.
//
// For numeric types 0 is unset.
// For strings, maps, arrays, and slices, len() = 0 is considered unset.
// For bool, false is unset.
// Structs are never considered unset.
//
// For everything else, including pointers, a nil value is unset.
func dfault(d interface{}, given ...interface{}) interface{} {
if empty(given) || empty(given[0]) {
return d
}
return given[0]
}
// empty returns true if the given value has the zero value for its type.
func empty(given interface{}) bool {
g := reflect.ValueOf(given)
if !g.IsValid() {
return true
}
// Basically adapted from text/template.isTrue
switch g.Kind() {
default:
return g.IsNil()
case reflect.Array, reflect.Slice, reflect.Map, reflect.String:
return g.Len() == 0
case reflect.Bool:
return g.Bool() == false
case reflect.Complex64, reflect.Complex128:
return g.Complex() == 0
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return g.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return g.Uint() == 0
case reflect.Float32, reflect.Float64:
return g.Float() == 0
case reflect.Struct:
return false
}
return true
}
// typeIs returns true if the src is the type named in target.
func typeIs(target string, src interface{}) bool {
return target == typeOf(src)
}
func typeIsLike(target string, src interface{}) bool {
t := typeOf(src)
return target == t || "*"+target == t
}
func typeOf(src interface{}) string {
return fmt.Sprintf("%T", src)
}
func kindIs(target string, src interface{}) bool {
return target == kindOf(src)
}
func kindOf(src interface{}) string {
return reflect.ValueOf(src).Kind().String()
}
func base64encode(v string) string {
return base64.StdEncoding.EncodeToString([]byte(v))
}
func base64decode(v string) string {
data, err := base64.StdEncoding.DecodeString(v)
if err != nil {
return err.Error()
}
return string(data)
}
func base32encode(v string) string {
return base32.StdEncoding.EncodeToString([]byte(v))
}
func base32decode(v string) string {
data, err := base32.StdEncoding.DecodeString(v)
if err != nil {
return err.Error()
}
return string(data)
}
func abbrev(width int, s string) string {
if width < 4 {
return s
}
r, _ := util.Abbreviate(s, width)
return r
}
func abbrevboth(left, right int, s string) string {
if right < 4 || left > 0 && right < 7 {
return s
}
r, _ := util.AbbreviateFull(s, left, right)
return r
}
func initials(s string) string {
// Wrap this just to eliminate the var args, which templates don't do well.
return util.Initials(s)
}
func randAlphaNumeric(count int) string {
// It is not possible, it appears, to actually generate an error here.
r, _ := util.RandomAlphaNumeric(count)
return r
}
func randAlpha(count int) string {
r, _ := util.RandomAlphabetic(count)
return r
}
func randAscii(count int) string {
r, _ := util.RandomAscii(count)
return r
}
func randNumeric(count int) string {
r, _ := util.RandomNumeric(count)
return r
}
func untitle(str string) string {
return util.Uncapitalize(str)
}
func quote(str ...interface{}) string {
out := make([]string, len(str))
for i, s := range str {
out[i] = fmt.Sprintf("%q", strval(s))
}
return strings.Join(out, " ")
}
func squote(str ...interface{}) string {
out := make([]string, len(str))
for i, s := range str {
out[i] = fmt.Sprintf("'%v'", s)
}
return strings.Join(out, " ")
}
func tuple(v ...interface{}) []interface{} {
return v
}
func set(d map[string]interface{}, key string, value interface{}) map[string]interface{} {
d[key] = value
return d
}
func unset(d map[string]interface{}, key string) map[string]interface{} {
delete(d, key)
return d
}
func hasKey(d map[string]interface{}, key string) bool {
_, ok := d[key]
return ok
}
func dict(v ...interface{}) map[string]interface{} {
dict := map[string]interface{}{}
lenv := len(v)
for i := 0; i < lenv; i += 2 {
key := strval(v[i])
if i+1 >= lenv {
dict[key] = ""
continue
}
dict[key] = v[i+1]
}
return dict
}
func strval(v interface{}) string {
switch v := v.(type) {
case string:
return v
case []byte:
return string(v)
case error:
return v.Error()
case fmt.Stringer:
return v.String()
default:
return fmt.Sprintf("%v", v)
}
}
// toFloat64 converts 64-bit floats
func toFloat64(v interface{}) float64 {
if str, ok := v.(string); ok {
iv, err := strconv.ParseFloat(str, 64)
if err != nil {
return 0
}
return iv
}
val := reflect.Indirect(reflect.ValueOf(v))
switch val.Kind() {
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return float64(val.Int())
case reflect.Uint8, reflect.Uint16, reflect.Uint32:
return float64(val.Uint())
case reflect.Uint, reflect.Uint64:
return float64(val.Uint())
case reflect.Float32, reflect.Float64:
return val.Float()
case reflect.Bool:
if val.Bool() == true {
return 1
}
return 0
default:
return 0
}
}
func toInt(v interface{}) int {
//It's not optimal. Bud I don't want duplicate toInt64 code.
return int(toInt64(v))
}
// toInt64 converts integer types to 64-bit integers
func toInt64(v interface{}) int64 {
if str, ok := v.(string); ok {
iv, err := strconv.ParseInt(str, 10, 64)
if err != nil {
return 0
}
return iv
}
val := reflect.Indirect(reflect.ValueOf(v))
switch val.Kind() {
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return val.Int()
case reflect.Uint8, reflect.Uint16, reflect.Uint32:
return int64(val.Uint())
case reflect.Uint, reflect.Uint64:
tv := val.Uint()
if tv <= math.MaxInt64 {
return int64(tv)
}
// TODO: What is the sensible thing to do here?
return math.MaxInt64
case reflect.Float32, reflect.Float64:
return int64(val.Float())
case reflect.Bool:
if val.Bool() == true {
return 1
}
return 0
default:
return 0
}
}
func generatePrivateKey(typ string) string {
var priv interface{}
var err error
switch typ {
case "", "rsa":
// good enough for government work
priv, err = rsa.GenerateKey(rand.Reader, 4096)
case "dsa":
key := new(dsa.PrivateKey)
// again, good enough for government work
if err = dsa.GenerateParameters(&key.Parameters, rand.Reader, dsa.L2048N256); err != nil {
return fmt.Sprintf("failed to generate dsa params: %s", err)
}
err = dsa.GenerateKey(key, rand.Reader)
priv = key
case "ecdsa":
// again, good enough for government work
priv, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
default:
return "Unknown type " + typ
}
if err != nil {
return fmt.Sprintf("failed to generate private key: %s", err)
}
return string(pem.EncodeToMemory(pemBlockForKey(priv)))
}
type DSAKeyFormat struct {
Version int
P, Q, G, Y, X *big.Int
}
func pemBlockForKey(priv interface{}) *pem.Block {
switch k := priv.(type) {
case *rsa.PrivateKey:
return &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(k)}
case *dsa.PrivateKey:
val := DSAKeyFormat{
P: k.P, Q: k.Q, G: k.G,
Y: k.Y, X: k.X,
}
bytes, _ := asn1.Marshal(val)
return &pem.Block{Type: "DSA PRIVATE KEY", Bytes: bytes}
case *ecdsa.PrivateKey:
b, _ := x509.MarshalECPrivateKey(k)
return &pem.Block{Type: "EC PRIVATE KEY", Bytes: b}
default:
return nil
}
}
func trunc(c int, s string) string {
if len(s) <= c {
return s
}
return s[0:c]
}
func cat(v ...interface{}) string {
r := strings.TrimSpace(strings.Repeat("%v ", len(v)))
return fmt.Sprintf(r, v...)
}
func indent(spaces int, v string) string {
pad := strings.Repeat(" ", spaces)
return pad + strings.Replace(v, "\n", "\n"+pad, -1)
}
func replace(old, new, src string) string {
return strings.Replace(src, old, new, -1)
}
func plural(one, many string, count int) string {
if count == 1 {
return one
}
return many
}
func sha256sum(input string) string {
hash := sha256.Sum256([]byte(input))
return hex.EncodeToString(hash[:])
}
func until(count int) []int {
step := 1
if count < 0 {
step = -1
}
return untilStep(0, count, step)
}
func untilStep(start, stop, step int) []int {
v := []int{}
if stop < start {
if step >= 0 {
return v
}
for i := start; i > stop; i += step {
v = append(v, i)
}
return v
}
if step <= 0 {
return v
}
for i := start; i < stop; i += step {
v = append(v, i)
}
return v
}
// uuidv4 provides a safe and secure UUID v4 implementation
func uuidv4() string {
return fmt.Sprintf("%s", uuid.NewV4())
} }

663
vendor/github.com/Masterminds/sprig/functions_test.go generated vendored
View File

@ -2,376 +2,14 @@ package sprig
import ( import (
"bytes" "bytes"
"encoding/base32"
"encoding/base64"
"fmt" "fmt"
"math/rand"
"os" "os"
"strings"
"testing" "testing"
"text/template" "text/template"
"github.com/aokoli/goutils"
"github.com/stretchr/testify/assert" "github.com/stretchr/testify/assert"
) )
// This is woefully incomplete. Please help.
func TestSubstr(t *testing.T) {
tpl := `{{"fooo" | substr 0 3 }}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestTrunc(t *testing.T) {
tpl := `{{ "foooooo" | trunc 3 }}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestQuote(t *testing.T) {
tpl := `{{quote "a" "b" "c"}}`
if err := runt(tpl, `"a" "b" "c"`); err != nil {
t.Error(err)
}
tpl = `{{quote "\"a\"" "b" "c"}}`
if err := runt(tpl, `"\"a\"" "b" "c"`); err != nil {
t.Error(err)
}
tpl = `{{quote 1 2 3 }}`
if err := runt(tpl, `"1" "2" "3"`); err != nil {
t.Error(err)
}
}
func TestSquote(t *testing.T) {
tpl := `{{squote "a" "b" "c"}}`
if err := runt(tpl, `'a' 'b' 'c'`); err != nil {
t.Error(err)
}
tpl = `{{squote 1 2 3 }}`
if err := runt(tpl, `'1' '2' '3'`); err != nil {
t.Error(err)
}
}
func TestContains(t *testing.T) {
// Mainly, we're just verifying the paramater order swap.
tests := []string{
`{{if contains "cat" "fair catch"}}1{{end}}`,
`{{if hasPrefix "cat" "catch"}}1{{end}}`,
`{{if hasSuffix "cat" "ducat"}}1{{end}}`,
}
for _, tt := range tests {
if err := runt(tt, "1"); err != nil {
t.Error(err)
}
}
}
func TestTrim(t *testing.T) {
tests := []string{
`{{trim " 5.00 "}}`,
`{{trimAll "$" "$5.00$"}}`,
`{{trimPrefix "$" "$5.00"}}`,
`{{trimSuffix "$" "5.00$"}}`,
}
for _, tt := range tests {
if err := runt(tt, "5.00"); err != nil {
t.Error(err)
}
}
}
func TestAdd(t *testing.T) {
tpl := `{{ 3 | add 1 2}}`
if err := runt(tpl, `6`); err != nil {
t.Error(err)
}
}
func TestMul(t *testing.T) {
tpl := `{{ 1 | mul "2" 3 "4"}}`
if err := runt(tpl, `24`); err != nil {
t.Error(err)
}
}
func TestHtmlDate(t *testing.T) {
t.Skip()
tpl := `{{ htmlDate 0}}`
if err := runt(tpl, "1970-01-01"); err != nil {
t.Error(err)
}
}
func TestBiggest(t *testing.T) {
tpl := `{{ biggest 1 2 3 345 5 6 7}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
tpl = `{{ max 345}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
}
func TestMin(t *testing.T) {
tpl := `{{ min 1 2 3 345 5 6 7}}`
if err := runt(tpl, `1`); err != nil {
t.Error(err)
}
tpl = `{{ min 345}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
}
func TestDefault(t *testing.T) {
tpl := `{{"" | default "foo"}}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
tpl = `{{default "foo" 234}}`
if err := runt(tpl, "234"); err != nil {
t.Error(err)
}
tpl = `{{default "foo" 2.34}}`
if err := runt(tpl, "2.34"); err != nil {
t.Error(err)
}
tpl = `{{ .Nothing | default "123" }}`
if err := runt(tpl, "123"); err != nil {
t.Error(err)
}
tpl = `{{ default "123" }}`
if err := runt(tpl, "123"); err != nil {
t.Error(err)
}
}
func TestToFloat64(t *testing.T) {
target := float64(102)
if target != toFloat64(int8(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int32(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int16(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int64(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64("102") {
t.Errorf("Expected 102")
}
if 0 != toFloat64("frankie") {
t.Errorf("Expected 0")
}
if target != toFloat64(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(uint64(102)) {
t.Errorf("Expected 102")
}
if 102.1234 != toFloat64(float64(102.1234)) {
t.Errorf("Expected 102.1234")
}
if 1 != toFloat64(true) {
t.Errorf("Expected 102")
}
}
func TestToInt64(t *testing.T) {
target := int64(102)
if target != toInt64(int8(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int32(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int16(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int64(102)) {
t.Errorf("Expected 102")
}
if target != toInt64("102") {
t.Errorf("Expected 102")
}
if 0 != toInt64("frankie") {
t.Errorf("Expected 0")
}
if target != toInt64(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(uint64(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(float64(102.1234)) {
t.Errorf("Expected 102")
}
if 1 != toInt64(true) {
t.Errorf("Expected 102")
}
}
func TestToInt(t *testing.T) {
target := int(102)
if target != toInt(int8(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int32(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int16(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int64(102)) {
t.Errorf("Expected 102")
}
if target != toInt("102") {
t.Errorf("Expected 102")
}
if 0 != toInt("frankie") {
t.Errorf("Expected 0")
}
if target != toInt(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toInt(uint64(102)) {
t.Errorf("Expected 102")
}
if target != toInt(float64(102.1234)) {
t.Errorf("Expected 102")
}
if 1 != toInt(true) {
t.Errorf("Expected 102")
}
}
func TestEmpty(t *testing.T) {
tpl := `{{if empty 1}}1{{else}}0{{end}}`
if err := runt(tpl, "0"); err != nil {
t.Error(err)
}
tpl = `{{if empty 0}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty ""}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty 0.0}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
tpl = `{{if empty false}}1{{else}}0{{end}}`
if err := runt(tpl, "1"); err != nil {
t.Error(err)
}
dict := map[string]interface{}{"top": map[string]interface{}{}}
tpl = `{{if empty .top.NoSuchThing}}1{{else}}0{{end}}`
if err := runtv(tpl, "1", dict); err != nil {
t.Error(err)
}
tpl = `{{if empty .bottom.NoSuchThing}}1{{else}}0{{end}}`
if err := runtv(tpl, "1", dict); err != nil {
t.Error(err)
}
}
func TestSplit(t *testing.T) {
tpl := `{{$v := "foo$bar$baz" | split "$"}}{{$v._0}}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
type fixtureTO struct {
Name, Value string
}
func TestTypeOf(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{typeOf .}}`
if err := runtv(tpl, "*sprig.fixtureTO", f); err != nil {
t.Error(err)
}
}
func TestKindOf(t *testing.T) {
tpl := `{{kindOf .}}`
f := fixtureTO{"hello", "world"}
if err := runtv(tpl, "struct", f); err != nil {
t.Error(err)
}
f2 := []string{"hello"}
if err := runtv(tpl, "slice", f2); err != nil {
t.Error(err)
}
var f3 *fixtureTO = nil
if err := runtv(tpl, "ptr", f3); err != nil {
t.Error(err)
}
}
func TestTypeIs(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{if typeIs "*sprig.fixtureTO" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
f2 := "hello"
if err := runtv(tpl, "f", f2); err != nil {
t.Error(err)
}
}
func TestTypeIsLike(t *testing.T) {
f := "foo"
tpl := `{{if typeIsLike "string" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
// Now make a pointer. Should still match.
f2 := &f
if err := runtv(tpl, "t", f2); err != nil {
t.Error(err)
}
}
func TestKindIs(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{if kindIs "ptr" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
f2 := "hello"
if err := runtv(tpl, "f", f2); err != nil {
t.Error(err)
}
}
func TestEnv(t *testing.T) { func TestEnv(t *testing.T) {
os.Setenv("FOO", "bar") os.Setenv("FOO", "bar")
tpl := `{{env "FOO"}}` tpl := `{{env "FOO"}}`
@ -388,217 +26,6 @@ func TestExpandEnv(t *testing.T) {
} }
} }
func TestBase64EncodeDecode(t *testing.T) {
magicWord := "coffee"
expect := base64.StdEncoding.EncodeToString([]byte(magicWord))
if expect == magicWord {
t.Fatal("Encoder doesn't work.")
}
tpl := `{{b64enc "coffee"}}`
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
tpl = fmt.Sprintf("{{b64dec %q}}", expect)
if err := runt(tpl, magicWord); err != nil {
t.Error(err)
}
}
func TestBase32EncodeDecode(t *testing.T) {
magicWord := "coffee"
expect := base32.StdEncoding.EncodeToString([]byte(magicWord))
if expect == magicWord {
t.Fatal("Encoder doesn't work.")
}
tpl := `{{b32enc "coffee"}}`
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
tpl = fmt.Sprintf("{{b32dec %q}}", expect)
if err := runt(tpl, magicWord); err != nil {
t.Error(err)
}
}
func TestGoutils(t *testing.T) {
tests := map[string]string{
`{{abbrev 5 "hello world"}}`: "he...",
`{{abbrevboth 5 10 "1234 5678 9123"}}`: "...5678...",
`{{nospace "h e l l o "}}`: "hello",
`{{untitle "First Try"}}`: "first try", //https://youtu.be/44-RsrF_V_w
`{{initials "First Try"}}`: "FT",
`{{wrap 5 "Hello World"}}`: "Hello\nWorld",
`{{wrapWith 5 "\t" "Hello World"}}`: "Hello\tWorld",
}
for k, v := range tests {
t.Log(k)
if err := runt(k, v); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
}
}
func TestRandom(t *testing.T) {
// One of the things I love about Go:
goutils.RANDOM = rand.New(rand.NewSource(1))
// Because we're using a random number generator, we need these to go in
// a predictable sequence:
if err := runt(`{{randAlphaNum 5}}`, "9bzRv"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randAlpha 5}}`, "VjwGe"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randAscii 5}}`, "1KA5p"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randNumeric 5}}`, "26018"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
}
func TestCat(t *testing.T) {
tpl := `{{$b := "b"}}{{"c" | cat "a" $b}}`
if err := runt(tpl, "a b c"); err != nil {
t.Error(err)
}
}
func TestIndent(t *testing.T) {
tpl := `{{indent 4 "a\nb\nc"}}`
if err := runt(tpl, " a\n b\n c"); err != nil {
t.Error(err)
}
}
func TestReplace(t *testing.T) {
tpl := `{{"I Am Henry VIII" | replace " " "-"}}`
if err := runt(tpl, "I-Am-Henry-VIII"); err != nil {
t.Error(err)
}
}
func TestPlural(t *testing.T) {
tpl := `{{$num := len "two"}}{{$num}} {{$num | plural "1 char" "chars"}}`
if err := runt(tpl, "3 chars"); err != nil {
t.Error(err)
}
tpl = `{{len "t" | plural "cheese" "%d chars"}}`
if err := runt(tpl, "cheese"); err != nil {
t.Error(err)
}
}
func TestSha256Sum(t *testing.T) {
tpl := `{{"abc" | sha256sum}}`
if err := runt(tpl, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"); err != nil {
t.Error(err)
}
}
func TestTuple(t *testing.T) {
tpl := `{{$t := tuple 1 "a" "foo"}}{{index $t 2}}{{index $t 0 }}{{index $t 1}}`
if err := runt(tpl, "foo1a"); err != nil {
t.Error(err)
}
}
func TestDict(t *testing.T) {
tpl := `{{$d := dict 1 2 "three" "four" 5}}{{range $k, $v := $d}}{{$k}}{{$v}}{{end}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 12 {
t.Errorf("Expected length 12, got %d", len(out))
}
// dict does not guarantee ordering because it is backed by a map.
if !strings.Contains(out, "12") {
t.Error("Expected grouping 12")
}
if !strings.Contains(out, "threefour") {
t.Error("Expected grouping threefour")
}
if !strings.Contains(out, "5") {
t.Error("Expected 5")
}
tpl = `{{$t := dict "I" "shot" "the" "albatross"}}{{$t.the}} {{$t.I}}`
if err := runt(tpl, "albatross shot"); err != nil {
t.Error(err)
}
}
func TestUnset(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- $_ := unset $d "two" -}}
{{- range $k, $v := $d}}{{$k}}{{$v}}{{- end -}}
`
expect := "one1"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestHasKey(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- if hasKey $d "one" -}}1{{- end -}}
`
expect := "1"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestSet(t *testing.T) {
tpl := `{{- $d := dict "one" 1 "two" 222222 -}}
{{- $_ := set $d "two" 2 -}}
{{- $_ := set $d "three" 3 -}}
{{- if hasKey $d "one" -}}{{$d.one}}{{- end -}}
{{- if hasKey $d "two" -}}{{$d.two}}{{- end -}}
{{- if hasKey $d "three" -}}{{$d.three}}{{- end -}}
`
expect := "123"
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
func TestUntil(t *testing.T) {
tests := map[string]string{
`{{range $i, $e := until 5}}{{$i}}{{$e}}{{end}}`: "0011223344",
`{{range $i, $e := until -5}}{{$i}}{{$e}} {{end}}`: "00 1-1 2-2 3-3 4-4 ",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestUntilStep(t *testing.T) {
tests := map[string]string{
`{{range $i, $e := untilStep 0 5 1}}{{$i}}{{$e}}{{end}}`: "0011223344",
`{{range $i, $e := untilStep 3 6 1}}{{$i}}{{$e}}{{end}}`: "031425",
`{{range $i, $e := untilStep 0 -10 -2}}{{$i}}{{$e}} {{end}}`: "00 1-2 2-4 3-6 4-8 ",
`{{range $i, $e := untilStep 3 0 1}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 99 0}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 99 -1}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 0 0}}{{$i}}{{$e}}{{end}}`: "",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestBase(t *testing.T) { func TestBase(t *testing.T) {
assert.NoError(t, runt(`{{ base "foo/bar" }}`, "bar")) assert.NoError(t, runt(`{{ base "foo/bar" }}`, "bar"))
} }
@ -620,92 +47,14 @@ func TestExt(t *testing.T) {
assert.NoError(t, runt(`{{ ext "/foo/bar/baz.txt" }}`, ".txt")) assert.NoError(t, runt(`{{ ext "/foo/bar/baz.txt" }}`, ".txt"))
} }
func TestDelete(t *testing.T) { // runt runs a template and checks that the output exactly matches the expected string.
fmap := TxtFuncMap()
delete(fmap, "split")
if _, ok := fmap["split"]; ok {
t.Error("Failed to delete split from map")
}
}
// NOTE(bacongobbler): this test is really _slow_ because of how long it takes to compute
// and generate a new crypto key.
func TestGenPrivateKey(t *testing.T) {
// test that calling by default generates an RSA private key
tpl := `{{genPrivateKey ""}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "RSA PRIVATE KEY") {
t.Error("Expected RSA PRIVATE KEY")
}
// test all acceptable arguments
tpl = `{{genPrivateKey "rsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "RSA PRIVATE KEY") {
t.Error("Expected RSA PRIVATE KEY")
}
tpl = `{{genPrivateKey "dsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "DSA PRIVATE KEY") {
t.Error("Expected DSA PRIVATE KEY")
}
tpl = `{{genPrivateKey "ecdsa"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if !strings.Contains(out, "EC PRIVATE KEY") {
t.Error("Expected EC PRIVATE KEY")
}
// test bad
tpl = `{{genPrivateKey "bad"}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if out != "Unknown type bad" {
t.Error("Expected type 'bad' to be an unknown crypto algorithm")
}
// ensure that we can base64 encode the string
tpl = `{{genPrivateKey "rsa" | b64enc}}`
out, err = runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
}
func TestUUIDGeneration(t *testing.T) {
tpl := `{{uuidv4}}`
out, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if len(out) != 36 {
t.Error("Expected UUID of length 36")
}
out2, err := runRaw(tpl, nil)
if err != nil {
t.Error(err)
}
if out == out2 {
t.Error("Expected subsequent UUID generations to be different")
}
}
func runt(tpl, expect string) error { func runt(tpl, expect string) error {
return runtv(tpl, expect, map[string]string{}) return runtv(tpl, expect, map[string]string{})
} }
// runtv takes a template, and expected return, and values for substitution.
//
// It runs the template and verifies that the output is an exact match.
func runtv(tpl, expect string, vars interface{}) error { func runtv(tpl, expect string, vars interface{}) error {
fmap := TxtFuncMap() fmap := TxtFuncMap()
t := template.Must(template.New("test").Funcs(fmap).Parse(tpl)) t := template.Must(template.New("test").Funcs(fmap).Parse(tpl))
@ -719,6 +68,8 @@ func runtv(tpl, expect string, vars interface{}) error {
} }
return nil return nil
} }
// runRaw runs a template with the given variables and returns the result.
func runRaw(tpl string, vars interface{}) (string, error) { func runRaw(tpl string, vars interface{}) (string, error) {
fmap := TxtFuncMap() fmap := TxtFuncMap()
t := template.Must(template.New("test").Funcs(fmap).Parse(tpl)) t := template.Must(template.New("test").Funcs(fmap).Parse(tpl))

25
vendor/github.com/Masterminds/sprig/glide.lock generated vendored
View File

@ -1,8 +1,27 @@
hash: a8ed42a70698b4d199b5de7fa33e7c48251651e6ccf97d007f546cb72a5d0f8f hash: c2d7cb87ff32a0aba767b90bff630c3e4c1ca9904fc72568414d20d79a41e70f
updated: 2016-09-30T12:23:39.512939213-06:00 updated: 2017-03-13T18:38:30.597881175-06:00
imports: imports:
- name: github.com/aokoli/goutils - name: github.com/aokoli/goutils
version: 9c37978a95bd5c709a15883b6242714ea6709e64 version: 9c37978a95bd5c709a15883b6242714ea6709e64
- name: github.com/Masterminds/semver
version: 59c29afe1a994eacb71c833025ca7acf874bb1da
- name: github.com/satori/go.uuid - name: github.com/satori/go.uuid
version: 879c5887cd475cd7864858769793b2ceb0d44feb version: 879c5887cd475cd7864858769793b2ceb0d44feb
testImports: [] - name: golang.org/x/crypto
version: 1f22c0103821b9390939b6776727195525381532
subpackages:
- pbkdf2
- scrypt
testImports:
- name: github.com/davecgh/go-spew
version: 5215b55f46b2b919f50a1df0eaa5886afe4e3b3d
subpackages:
- spew
- name: github.com/pmezard/go-difflib
version: d8ed2627bdf02c080bf22230dbb337003b7aba2d
subpackages:
- difflib
- name: github.com/stretchr/testify
version: e3a8ff8ce36581f87a15341206f205b1da467059
subpackages:
- assert

5
vendor/github.com/Masterminds/sprig/glide.yaml generated vendored
View File

@ -3,3 +3,8 @@ import:
- package: github.com/aokoli/goutils - package: github.com/aokoli/goutils
- package: github.com/satori/go.uuid - package: github.com/satori/go.uuid
version: ^1.1.0 version: ^1.1.0
- package: golang.org/x/crypto
subpackages:
- scrypt
- package: github.com/Masterminds/semver
version: v1.2.2

109
vendor/github.com/Masterminds/sprig/list.go generated vendored Normal file
View File

@ -0,0 +1,109 @@
package sprig
import (
"reflect"
"sort"
)
func list(v ...interface{}) []interface{} {
return v
}
func push(list []interface{}, v interface{}) []interface{} {
return append(list, v)
}
func prepend(list []interface{}, v interface{}) []interface{} {
return append([]interface{}{v}, list...)
}
func last(list []interface{}) interface{} {
l := len(list)
if l == 0 {
return nil
}
return list[l-1]
}
func first(list []interface{}) interface{} {
if len(list) == 0 {
return nil
}
return list[0]
}
func rest(list []interface{}) []interface{} {
if len(list) == 0 {
return list
}
return list[1:]
}
func initial(list []interface{}) []interface{} {
l := len(list)
if l == 0 {
return list
}
return list[:l-1]
}
func sortAlpha(list interface{}) []string {
k := reflect.Indirect(reflect.ValueOf(list)).Kind()
switch k {
case reflect.Slice, reflect.Array:
a := strslice(list)
s := sort.StringSlice(a)
s.Sort()
return s
}
return []string{strval(list)}
}
func reverse(v []interface{}) []interface{} {
// We do not sort in place because the incomming array should not be altered.
l := len(v)
c := make([]interface{}, l)
for i := 0; i < l; i++ {
c[l-i-1] = v[i]
}
return c
}
func compact(list []interface{}) []interface{} {
res := []interface{}{}
for _, item := range list {
if !empty(item) {
res = append(res, item)
}
}
return res
}
func uniq(list []interface{}) []interface{} {
dest := []interface{}{}
for _, item := range list {
if !inList(dest, item) {
dest = append(dest, item)
}
}
return dest
}
func inList(haystack []interface{}, needle interface{}) bool {
for _, h := range haystack {
if reflect.DeepEqual(needle, h) {
return true
}
}
return false
}
func without(list []interface{}, omit ...interface{}) []interface{} {
res := []interface{}{}
for _, i := range list {
if !inList(omit, i) {
res = append(res, i)
}
}
return res
}

135
vendor/github.com/Masterminds/sprig/list_test.go generated vendored Normal file
View File

@ -0,0 +1,135 @@
package sprig
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestTuple(t *testing.T) {
tpl := `{{$t := tuple 1 "a" "foo"}}{{index $t 2}}{{index $t 0 }}{{index $t 1}}`
if err := runt(tpl, "foo1a"); err != nil {
t.Error(err)
}
}
func TestList(t *testing.T) {
tpl := `{{$t := list 1 "a" "foo"}}{{index $t 2}}{{index $t 0 }}{{index $t 1}}`
if err := runt(tpl, "foo1a"); err != nil {
t.Error(err)
}
}
func TestPush(t *testing.T) {
// Named `append` in the function map
tests := map[string]string{
`{{ $t := tuple 1 2 3 }}{{ append $t 4 | len }}`: "4",
`{{ $t := tuple 1 2 3 4 }}{{ append $t 5 | join "-" }}`: "1-2-3-4-5",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestPrepend(t *testing.T) {
tests := map[string]string{
`{{ $t := tuple 1 2 3 }}{{ prepend $t 0 | len }}`: "4",
`{{ $t := tuple 1 2 3 4 }}{{ prepend $t 0 | join "-" }}`: "0-1-2-3-4",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestFirst(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 | first }}`: "1",
`{{ list | first }}`: "<no value>",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestLast(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 | last }}`: "3",
`{{ list | last }}`: "<no value>",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestInitial(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 | initial | len }}`: "2",
`{{ list 1 2 3 | initial | last }}`: "2",
`{{ list 1 2 3 | initial | first }}`: "1",
`{{ list | initial }}`: "[]",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestRest(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 | rest | len }}`: "2",
`{{ list 1 2 3 | rest | last }}`: "3",
`{{ list 1 2 3 | rest | first }}`: "2",
`{{ list | rest }}`: "[]",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestReverse(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 | reverse | first }}`: "3",
`{{ list 1 2 3 | reverse | rest | first }}`: "2",
`{{ list 1 2 3 | reverse | last }}`: "1",
`{{ list 1 2 3 4 | reverse }}`: "[4 3 2 1]",
`{{ list 1 | reverse }}`: "[1]",
`{{ list | reverse }}`: "[]",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestUniq(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 4 | uniq }}`: `[1 2 3 4]`,
`{{ list "a" "b" "c" "d" | uniq }}`: `[a b c d]`,
`{{ list 1 1 1 1 2 2 2 2 | uniq }}`: `[1 2]`,
`{{ list "foo" 1 1 1 1 "foo" "foo" | uniq }}`: `[foo 1]`,
`{{ list | uniq }}`: `[]`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestWithout(t *testing.T) {
tests := map[string]string{
`{{ without (list 1 2 3 4) 1 }}`: `[2 3 4]`,
`{{ without (list "a" "b" "c" "d") "a" }}`: `[b c d]`,
`{{ without (list 1 1 1 1 2) 1 }}`: `[2]`,
`{{ without (list) 1 }}`: `[]`,
`{{ without (list 1 2 3) }}`: `[1 2 3]`,
`{{ without list }}`: `[]`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestHas(t *testing.T) {
tests := map[string]string{
`{{ list 1 2 3 | has 1 }}`: `true`,
`{{ list 1 2 3 | has 4 }}`: `false`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}

129
vendor/github.com/Masterminds/sprig/numeric.go generated vendored Normal file
View File

@ -0,0 +1,129 @@
package sprig
import (
"math"
"reflect"
"strconv"
)
// toFloat64 converts 64-bit floats
func toFloat64(v interface{}) float64 {
if str, ok := v.(string); ok {
iv, err := strconv.ParseFloat(str, 64)
if err != nil {
return 0
}
return iv
}
val := reflect.Indirect(reflect.ValueOf(v))
switch val.Kind() {
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return float64(val.Int())
case reflect.Uint8, reflect.Uint16, reflect.Uint32:
return float64(val.Uint())
case reflect.Uint, reflect.Uint64:
return float64(val.Uint())
case reflect.Float32, reflect.Float64:
return val.Float()
case reflect.Bool:
if val.Bool() == true {
return 1
}
return 0
default:
return 0
}
}
func toInt(v interface{}) int {
//It's not optimal. Bud I don't want duplicate toInt64 code.
return int(toInt64(v))
}
// toInt64 converts integer types to 64-bit integers
func toInt64(v interface{}) int64 {
if str, ok := v.(string); ok {
iv, err := strconv.ParseInt(str, 10, 64)
if err != nil {
return 0
}
return iv
}
val := reflect.Indirect(reflect.ValueOf(v))
switch val.Kind() {
case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
return val.Int()
case reflect.Uint8, reflect.Uint16, reflect.Uint32:
return int64(val.Uint())
case reflect.Uint, reflect.Uint64:
tv := val.Uint()
if tv <= math.MaxInt64 {
return int64(tv)
}
// TODO: What is the sensible thing to do here?
return math.MaxInt64
case reflect.Float32, reflect.Float64:
return int64(val.Float())
case reflect.Bool:
if val.Bool() == true {
return 1
}
return 0
default:
return 0
}
}
func max(a interface{}, i ...interface{}) int64 {
aa := toInt64(a)
for _, b := range i {
bb := toInt64(b)
if bb > aa {
aa = bb
}
}
return aa
}
func min(a interface{}, i ...interface{}) int64 {
aa := toInt64(a)
for _, b := range i {
bb := toInt64(b)
if bb < aa {
aa = bb
}
}
return aa
}
func until(count int) []int {
step := 1
if count < 0 {
step = -1
}
return untilStep(0, count, step)
}
func untilStep(start, stop, step int) []int {
v := []int{}
if stop < start {
if step >= 0 {
return v
}
for i := start; i > stop; i += step {
v = append(v, i)
}
return v
}
if step <= 0 {
return v
}
for i := start; i < stop; i += step {
v = append(v, i)
}
return v
}

180
vendor/github.com/Masterminds/sprig/numeric_test.go generated vendored Normal file
View File

@ -0,0 +1,180 @@
package sprig
import (
"testing"
)
func TestUntil(t *testing.T) {
tests := map[string]string{
`{{range $i, $e := until 5}}{{$i}}{{$e}}{{end}}`: "0011223344",
`{{range $i, $e := until -5}}{{$i}}{{$e}} {{end}}`: "00 1-1 2-2 3-3 4-4 ",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestUntilStep(t *testing.T) {
tests := map[string]string{
`{{range $i, $e := untilStep 0 5 1}}{{$i}}{{$e}}{{end}}`: "0011223344",
`{{range $i, $e := untilStep 3 6 1}}{{$i}}{{$e}}{{end}}`: "031425",
`{{range $i, $e := untilStep 0 -10 -2}}{{$i}}{{$e}} {{end}}`: "00 1-2 2-4 3-6 4-8 ",
`{{range $i, $e := untilStep 3 0 1}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 99 0}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 99 -1}}{{$i}}{{$e}}{{end}}`: "",
`{{range $i, $e := untilStep 3 0 0}}{{$i}}{{$e}}{{end}}`: "",
}
for tpl, expect := range tests {
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
}
}
func TestBiggest(t *testing.T) {
tpl := `{{ biggest 1 2 3 345 5 6 7}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
tpl = `{{ max 345}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
}
func TestMin(t *testing.T) {
tpl := `{{ min 1 2 3 345 5 6 7}}`
if err := runt(tpl, `1`); err != nil {
t.Error(err)
}
tpl = `{{ min 345}}`
if err := runt(tpl, `345`); err != nil {
t.Error(err)
}
}
func TestToFloat64(t *testing.T) {
target := float64(102)
if target != toFloat64(int8(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int32(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int16(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(int64(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64("102") {
t.Errorf("Expected 102")
}
if 0 != toFloat64("frankie") {
t.Errorf("Expected 0")
}
if target != toFloat64(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toFloat64(uint64(102)) {
t.Errorf("Expected 102")
}
if 102.1234 != toFloat64(float64(102.1234)) {
t.Errorf("Expected 102.1234")
}
if 1 != toFloat64(true) {
t.Errorf("Expected 102")
}
}
func TestToInt64(t *testing.T) {
target := int64(102)
if target != toInt64(int8(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int32(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int16(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(int64(102)) {
t.Errorf("Expected 102")
}
if target != toInt64("102") {
t.Errorf("Expected 102")
}
if 0 != toInt64("frankie") {
t.Errorf("Expected 0")
}
if target != toInt64(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(uint64(102)) {
t.Errorf("Expected 102")
}
if target != toInt64(float64(102.1234)) {
t.Errorf("Expected 102")
}
if 1 != toInt64(true) {
t.Errorf("Expected 102")
}
}
func TestToInt(t *testing.T) {
target := int(102)
if target != toInt(int8(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int32(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int16(102)) {
t.Errorf("Expected 102")
}
if target != toInt(int64(102)) {
t.Errorf("Expected 102")
}
if target != toInt("102") {
t.Errorf("Expected 102")
}
if 0 != toInt("frankie") {
t.Errorf("Expected 0")
}
if target != toInt(uint16(102)) {
t.Errorf("Expected 102")
}
if target != toInt(uint64(102)) {
t.Errorf("Expected 102")
}
if target != toInt(float64(102.1234)) {
t.Errorf("Expected 102")
}
if 1 != toInt(true) {
t.Errorf("Expected 102")
}
}
func TestAdd(t *testing.T) {
tpl := `{{ 3 | add 1 2}}`
if err := runt(tpl, `6`); err != nil {
t.Error(err)
}
}
func TestMul(t *testing.T) {
tpl := `{{ 1 | mul "2" 3 "4"}}`
if err := runt(tpl, `24`); err != nil {
t.Error(err)
}
}

28
vendor/github.com/Masterminds/sprig/reflect.go generated vendored Normal file
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@ -0,0 +1,28 @@
package sprig
import (
"fmt"
"reflect"
)
// typeIs returns true if the src is the type named in target.
func typeIs(target string, src interface{}) bool {
return target == typeOf(src)
}
func typeIsLike(target string, src interface{}) bool {
t := typeOf(src)
return target == t || "*"+target == t
}
func typeOf(src interface{}) string {
return fmt.Sprintf("%T", src)
}
func kindIs(target string, src interface{}) bool {
return target == kindOf(src)
}
func kindOf(src interface{}) string {
return reflect.ValueOf(src).Kind().String()
}

73
vendor/github.com/Masterminds/sprig/reflect_test.go generated vendored Normal file
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@ -0,0 +1,73 @@
package sprig
import (
"testing"
)
type fixtureTO struct {
Name, Value string
}
func TestTypeOf(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{typeOf .}}`
if err := runtv(tpl, "*sprig.fixtureTO", f); err != nil {
t.Error(err)
}
}
func TestKindOf(t *testing.T) {
tpl := `{{kindOf .}}`
f := fixtureTO{"hello", "world"}
if err := runtv(tpl, "struct", f); err != nil {
t.Error(err)
}
f2 := []string{"hello"}
if err := runtv(tpl, "slice", f2); err != nil {
t.Error(err)
}
var f3 *fixtureTO = nil
if err := runtv(tpl, "ptr", f3); err != nil {
t.Error(err)
}
}
func TestTypeIs(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{if typeIs "*sprig.fixtureTO" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
f2 := "hello"
if err := runtv(tpl, "f", f2); err != nil {
t.Error(err)
}
}
func TestTypeIsLike(t *testing.T) {
f := "foo"
tpl := `{{if typeIsLike "string" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
// Now make a pointer. Should still match.
f2 := &f
if err := runtv(tpl, "t", f2); err != nil {
t.Error(err)
}
}
func TestKindIs(t *testing.T) {
f := &fixtureTO{"hello", "world"}
tpl := `{{if kindIs "ptr" .}}t{{else}}f{{end}}`
if err := runtv(tpl, "t", f); err != nil {
t.Error(err)
}
f2 := "hello"
if err := runtv(tpl, "f", f2); err != nil {
t.Error(err)
}
}

23
vendor/github.com/Masterminds/sprig/semver.go generated vendored Normal file
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@ -0,0 +1,23 @@
package sprig
import (
sv2 "github.com/Masterminds/semver"
)
func semverCompare(constraint, version string) (bool, error) {
c, err := sv2.NewConstraint(constraint)
if err != nil {
return false, err
}
v, err := sv2.NewVersion(version)
if err != nil {
return false, err
}
return c.Check(v), nil
}
func semver(version string) (*sv2.Version, error) {
return sv2.NewVersion(version)
}

31
vendor/github.com/Masterminds/sprig/semver_test.go generated vendored Normal file
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@ -0,0 +1,31 @@
package sprig
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestSemverCompare(t *testing.T) {
tests := map[string]string{
`{{ semverCompare "1.2.3" "1.2.3" }}`: `true`,
`{{ semverCompare "^1.2.0" "1.2.3" }}`: `true`,
`{{ semverCompare "^1.2.0" "2.2.3" }}`: `false`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestSemver(t *testing.T) {
tests := map[string]string{
`{{ $s := semver "1.2.3-beta.1+c0ff33" }}{{ $s.Prerelease }}`: "beta.1",
`{{ $s := semver "1.2.3-beta.1+c0ff33" }}{{ $s.Major}}`: "1",
`{{ semver "1.2.3" | (semver "1.2.3").Compare }}`: `0`,
`{{ semver "1.2.3" | (semver "1.3.3").Compare }}`: `1`,
`{{ semver "1.4.3" | (semver "1.2.3").Compare }}`: `-1`,
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}

197
vendor/github.com/Masterminds/sprig/strings.go generated vendored Normal file
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@ -0,0 +1,197 @@
package sprig
import (
"encoding/base32"
"encoding/base64"
"fmt"
"reflect"
"strconv"
"strings"
util "github.com/aokoli/goutils"
)
func base64encode(v string) string {
return base64.StdEncoding.EncodeToString([]byte(v))
}
func base64decode(v string) string {
data, err := base64.StdEncoding.DecodeString(v)
if err != nil {
return err.Error()
}
return string(data)
}
func base32encode(v string) string {
return base32.StdEncoding.EncodeToString([]byte(v))
}
func base32decode(v string) string {
data, err := base32.StdEncoding.DecodeString(v)
if err != nil {
return err.Error()
}
return string(data)
}
func abbrev(width int, s string) string {
if width < 4 {
return s
}
r, _ := util.Abbreviate(s, width)
return r
}
func abbrevboth(left, right int, s string) string {
if right < 4 || left > 0 && right < 7 {
return s
}
r, _ := util.AbbreviateFull(s, left, right)
return r
}
func initials(s string) string {
// Wrap this just to eliminate the var args, which templates don't do well.
return util.Initials(s)
}
func randAlphaNumeric(count int) string {
// It is not possible, it appears, to actually generate an error here.
r, _ := util.RandomAlphaNumeric(count)
return r
}
func randAlpha(count int) string {
r, _ := util.RandomAlphabetic(count)
return r
}
func randAscii(count int) string {
r, _ := util.RandomAscii(count)
return r
}
func randNumeric(count int) string {
r, _ := util.RandomNumeric(count)
return r
}
func untitle(str string) string {
return util.Uncapitalize(str)
}
func quote(str ...interface{}) string {
out := make([]string, len(str))
for i, s := range str {
out[i] = fmt.Sprintf("%q", strval(s))
}
return strings.Join(out, " ")
}
func squote(str ...interface{}) string {
out := make([]string, len(str))
for i, s := range str {
out[i] = fmt.Sprintf("'%v'", s)
}
return strings.Join(out, " ")
}
func cat(v ...interface{}) string {
r := strings.TrimSpace(strings.Repeat("%v ", len(v)))
return fmt.Sprintf(r, v...)
}
func indent(spaces int, v string) string {
pad := strings.Repeat(" ", spaces)
return pad + strings.Replace(v, "\n", "\n"+pad, -1)
}
func replace(old, new, src string) string {
return strings.Replace(src, old, new, -1)
}
func plural(one, many string, count int) string {
if count == 1 {
return one
}
return many
}
func strslice(v interface{}) []string {
switch v := v.(type) {
case []string:
return v
case []interface{}:
l := len(v)
b := make([]string, l)
for i := 0; i < l; i++ {
b[i] = strval(v[i])
}
return b
default:
val := reflect.ValueOf(v)
switch val.Kind() {
case reflect.Array, reflect.Slice:
l := val.Len()
b := make([]string, l)
for i := 0; i < l; i++ {
b[i] = strval(val.Index(i).Interface())
}
return b
default:
return []string{strval(v)}
}
}
}
func strval(v interface{}) string {
switch v := v.(type) {
case string:
return v
case []byte:
return string(v)
case error:
return v.Error()
case fmt.Stringer:
return v.String()
default:
return fmt.Sprintf("%v", v)
}
}
func trunc(c int, s string) string {
if len(s) <= c {
return s
}
return s[0:c]
}
func join(sep string, v interface{}) string {
return strings.Join(strslice(v), sep)
}
func split(sep, orig string) map[string]string {
parts := strings.Split(orig, sep)
res := make(map[string]string, len(parts))
for i, v := range parts {
res["_"+strconv.Itoa(i)] = v
}
return res
}
// substring creates a substring of the given string.
//
// If start is < 0, this calls string[:length].
//
// If start is >= 0 and length < 0, this calls string[start:]
//
// Otherwise, this calls string[start, length].
func substring(start, length int, s string) string {
if start < 0 {
return s[:length]
}
if length < 0 {
return s[start:]
}
return s[start:length]
}

220
vendor/github.com/Masterminds/sprig/strings_test.go generated vendored Normal file
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package sprig
import (
"encoding/base32"
"encoding/base64"
"fmt"
"math/rand"
"testing"
"github.com/aokoli/goutils"
"github.com/stretchr/testify/assert"
)
func TestSubstr(t *testing.T) {
tpl := `{{"fooo" | substr 0 3 }}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestTrunc(t *testing.T) {
tpl := `{{ "foooooo" | trunc 3 }}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestQuote(t *testing.T) {
tpl := `{{quote "a" "b" "c"}}`
if err := runt(tpl, `"a" "b" "c"`); err != nil {
t.Error(err)
}
tpl = `{{quote "\"a\"" "b" "c"}}`
if err := runt(tpl, `"\"a\"" "b" "c"`); err != nil {
t.Error(err)
}
tpl = `{{quote 1 2 3 }}`
if err := runt(tpl, `"1" "2" "3"`); err != nil {
t.Error(err)
}
}
func TestSquote(t *testing.T) {
tpl := `{{squote "a" "b" "c"}}`
if err := runt(tpl, `'a' 'b' 'c'`); err != nil {
t.Error(err)
}
tpl = `{{squote 1 2 3 }}`
if err := runt(tpl, `'1' '2' '3'`); err != nil {
t.Error(err)
}
}
func TestContains(t *testing.T) {
// Mainly, we're just verifying the paramater order swap.
tests := []string{
`{{if contains "cat" "fair catch"}}1{{end}}`,
`{{if hasPrefix "cat" "catch"}}1{{end}}`,
`{{if hasSuffix "cat" "ducat"}}1{{end}}`,
}
for _, tt := range tests {
if err := runt(tt, "1"); err != nil {
t.Error(err)
}
}
}
func TestTrim(t *testing.T) {
tests := []string{
`{{trim " 5.00 "}}`,
`{{trimAll "$" "$5.00$"}}`,
`{{trimPrefix "$" "$5.00"}}`,
`{{trimSuffix "$" "5.00$"}}`,
}
for _, tt := range tests {
if err := runt(tt, "5.00"); err != nil {
t.Error(err)
}
}
}
func TestSplit(t *testing.T) {
tpl := `{{$v := "foo$bar$baz" | split "$"}}{{$v._0}}`
if err := runt(tpl, "foo"); err != nil {
t.Error(err)
}
}
func TestToString(t *testing.T) {
tpl := `{{ toString 1 | kindOf }}`
assert.NoError(t, runt(tpl, "string"))
}
func TestToStrings(t *testing.T) {
tpl := `{{ $s := list 1 2 3 | toStrings }}{{ index $s 1 | kindOf }}`
assert.NoError(t, runt(tpl, "string"))
}
func TestJoin(t *testing.T) {
assert.NoError(t, runt(`{{ tuple "a" "b" "c" | join "-" }}`, "a-b-c"))
assert.NoError(t, runt(`{{ tuple 1 2 3 | join "-" }}`, "1-2-3"))
assert.NoError(t, runtv(`{{ join "-" .V }}`, "a-b-c", map[string]interface{}{"V": []string{"a", "b", "c"}}))
assert.NoError(t, runtv(`{{ join "-" .V }}`, "abc", map[string]interface{}{"V": "abc"}))
assert.NoError(t, runtv(`{{ join "-" .V }}`, "1-2-3", map[string]interface{}{"V": []int{1, 2, 3}}))
}
func TestSortAlpha(t *testing.T) {
// Named `append` in the function map
tests := map[string]string{
`{{ list "c" "a" "b" | sortAlpha | join "" }}`: "abc",
`{{ list 2 1 4 3 | sortAlpha | join "" }}`: "1234",
}
for tpl, expect := range tests {
assert.NoError(t, runt(tpl, expect))
}
}
func TestBase64EncodeDecode(t *testing.T) {
magicWord := "coffee"
expect := base64.StdEncoding.EncodeToString([]byte(magicWord))
if expect == magicWord {
t.Fatal("Encoder doesn't work.")
}
tpl := `{{b64enc "coffee"}}`
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
tpl = fmt.Sprintf("{{b64dec %q}}", expect)
if err := runt(tpl, magicWord); err != nil {
t.Error(err)
}
}
func TestBase32EncodeDecode(t *testing.T) {
magicWord := "coffee"
expect := base32.StdEncoding.EncodeToString([]byte(magicWord))
if expect == magicWord {
t.Fatal("Encoder doesn't work.")
}
tpl := `{{b32enc "coffee"}}`
if err := runt(tpl, expect); err != nil {
t.Error(err)
}
tpl = fmt.Sprintf("{{b32dec %q}}", expect)
if err := runt(tpl, magicWord); err != nil {
t.Error(err)
}
}
func TestGoutils(t *testing.T) {
tests := map[string]string{
`{{abbrev 5 "hello world"}}`: "he...",
`{{abbrevboth 5 10 "1234 5678 9123"}}`: "...5678...",
`{{nospace "h e l l o "}}`: "hello",
`{{untitle "First Try"}}`: "first try", //https://youtu.be/44-RsrF_V_w
`{{initials "First Try"}}`: "FT",
`{{wrap 5 "Hello World"}}`: "Hello\nWorld",
`{{wrapWith 5 "\t" "Hello World"}}`: "Hello\tWorld",
}
for k, v := range tests {
t.Log(k)
if err := runt(k, v); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
}
}
func TestRandom(t *testing.T) {
// One of the things I love about Go:
goutils.RANDOM = rand.New(rand.NewSource(1))
// Because we're using a random number generator, we need these to go in
// a predictable sequence:
if err := runt(`{{randAlphaNum 5}}`, "9bzRv"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randAlpha 5}}`, "VjwGe"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randAscii 5}}`, "1KA5p"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
if err := runt(`{{randNumeric 5}}`, "26018"); err != nil {
t.Errorf("Error on tpl %s: %s", err)
}
}
func TestCat(t *testing.T) {
tpl := `{{$b := "b"}}{{"c" | cat "a" $b}}`
if err := runt(tpl, "a b c"); err != nil {
t.Error(err)
}
}
func TestIndent(t *testing.T) {
tpl := `{{indent 4 "a\nb\nc"}}`
if err := runt(tpl, " a\n b\n c"); err != nil {
t.Error(err)
}
}
func TestReplace(t *testing.T) {
tpl := `{{"I Am Henry VIII" | replace " " "-"}}`
if err := runt(tpl, "I-Am-Henry-VIII"); err != nil {
t.Error(err)
}
}
func TestPlural(t *testing.T) {
tpl := `{{$num := len "two"}}{{$num}} {{$num | plural "1 char" "chars"}}`
if err := runt(tpl, "3 chars"); err != nil {
t.Error(err)
}
tpl = `{{len "t" | plural "cheese" "%d chars"}}`
if err := runt(tpl, "cheese"); err != nil {
t.Error(err)
}
}

4
vendor/github.com/dgrijalva/jwt-go/.gitignore generated vendored Normal file
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.DS_Store
bin

8
vendor/github.com/dgrijalva/jwt-go/.travis.yml generated vendored Normal file
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@ -0,0 +1,8 @@
language: go
go:
- 1.3
- 1.4
- 1.5
- 1.6
- tip

8
vendor/github.com/dgrijalva/jwt-go/LICENSE generated vendored Normal file
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@ -0,0 +1,8 @@
Copyright (c) 2012 Dave Grijalva
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

96
vendor/github.com/dgrijalva/jwt-go/MIGRATION_GUIDE.md generated vendored Normal file
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## Migration Guide from v2 -> v3
Version 3 adds several new, frequently requested features. To do so, it introduces a few breaking changes. We've worked to keep these as minimal as possible. This guide explains the breaking changes and how you can quickly update your code.
### `Token.Claims` is now an interface type
The most requested feature from the 2.0 verison of this library was the ability to provide a custom type to the JSON parser for claims. This was implemented by introducing a new interface, `Claims`, to replace `map[string]interface{}`. We also included two concrete implementations of `Claims`: `MapClaims` and `StandardClaims`.
`MapClaims` is an alias for `map[string]interface{}` with built in validation behavior. It is the default claims type when using `Parse`. The usage is unchanged except you must type cast the claims property.
The old example for parsing a token looked like this..
```go
if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil {
fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
}
```
is now directly mapped to...
```go
if token, err := jwt.Parse(tokenString, keyLookupFunc); err == nil {
claims := token.Claims.(jwt.MapClaims)
fmt.Printf("Token for user %v expires %v", claims["user"], claims["exp"])
}
```
`StandardClaims` is designed to be embedded in your custom type. You can supply a custom claims type with the new `ParseWithClaims` function. Here's an example of using a custom claims type.
```go
type MyCustomClaims struct {
User string
*StandardClaims
}
if token, err := jwt.ParseWithClaims(tokenString, &MyCustomClaims{}, keyLookupFunc); err == nil {
claims := token.Claims.(*MyCustomClaims)
fmt.Printf("Token for user %v expires %v", claims.User, claims.StandardClaims.ExpiresAt)
}
```
### `ParseFromRequest` has been moved
To keep this library focused on the tokens without becoming overburdened with complex request processing logic, `ParseFromRequest` and its new companion `ParseFromRequestWithClaims` have been moved to a subpackage, `request`. The method signatues have also been augmented to receive a new argument: `Extractor`.
`Extractors` do the work of picking the token string out of a request. The interface is simple and composable.
This simple parsing example:
```go
if token, err := jwt.ParseFromRequest(tokenString, req, keyLookupFunc); err == nil {
fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
}
```
is directly mapped to:
```go
if token, err := request.ParseFromRequest(tokenString, request.OAuth2Extractor, req, keyLookupFunc); err == nil {
fmt.Printf("Token for user %v expires %v", token.Claims["user"], token.Claims["exp"])
}
```
There are several concrete `Extractor` types provided for your convenience:
* `HeaderExtractor` will search a list of headers until one contains content.
* `ArgumentExtractor` will search a list of keys in request query and form arguments until one contains content.
* `MultiExtractor` will try a list of `Extractors` in order until one returns content.
* `AuthorizationHeaderExtractor` will look in the `Authorization` header for a `Bearer` token.
* `OAuth2Extractor` searches the places an OAuth2 token would be specified (per the spec): `Authorization` header and `access_token` argument
* `PostExtractionFilter` wraps an `Extractor`, allowing you to process the content before it's parsed. A simple example is stripping the `Bearer ` text from a header
### RSA signing methods no longer accept `[]byte` keys
Due to a [critical vulnerability](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/), we've decided the convenience of accepting `[]byte` instead of `rsa.PublicKey` or `rsa.PrivateKey` isn't worth the risk of misuse.
To replace this behavior, we've added two helper methods: `ParseRSAPrivateKeyFromPEM(key []byte) (*rsa.PrivateKey, error)` and `ParseRSAPublicKeyFromPEM(key []byte) (*rsa.PublicKey, error)`. These are just simple helpers for unpacking PEM encoded PKCS1 and PKCS8 keys. If your keys are encoded any other way, all you need to do is convert them to the `crypto/rsa` package's types.
```go
func keyLookupFunc(*Token) (interface{}, error) {
// Don't forget to validate the alg is what you expect:
if _, ok := token.Method.(*jwt.SigningMethodRSA); !ok {
return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
}
// Look up key
key, err := lookupPublicKey(token.Header["kid"])
if err != nil {
return nil, err
}
// Unpack key from PEM encoded PKCS8
return jwt.ParseRSAPublicKeyFromPEM(key)
}
```

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A [go](http://www.golang.org) (or 'golang' for search engine friendliness) implementation of [JSON Web Tokens](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html)
[![Build Status](https://travis-ci.org/dgrijalva/jwt-go.svg?branch=master)](https://travis-ci.org/dgrijalva/jwt-go)
**BREAKING CHANGES:*** Version 3.0.0 is here. It includes _a lot_ of changes including a few that break the API. We've tried to break as few things as possible, so there should just be a few type signature changes. A full list of breaking changes is available in `VERSION_HISTORY.md`. See `MIGRATION_GUIDE.md` for more information on updating your code.
**NOTICE:** A vulnerability in JWT was [recently published](https://auth0.com/blog/2015/03/31/critical-vulnerabilities-in-json-web-token-libraries/). As this library doesn't force users to validate the `alg` is what they expected, it's possible your usage is effected. There will be an update soon to remedy this, and it will likey require backwards-incompatible changes to the API. In the short term, please make sure your implementation verifies the `alg` is what you expect.
## What the heck is a JWT?
JWT.io has [a great introduction](https://jwt.io/introduction) to JSON Web Tokens.
In short, it's a signed JSON object that does something useful (for example, authentication). It's commonly used for `Bearer` tokens in Oauth 2. A token is made of three parts, separated by `.`'s. The first two parts are JSON objects, that have been [base64url](http://tools.ietf.org/html/rfc4648) encoded. The last part is the signature, encoded the same way.
The first part is called the header. It contains the necessary information for verifying the last part, the signature. For example, which encryption method was used for signing and what key was used.
The part in the middle is the interesting bit. It's called the Claims and contains the actual stuff you care about. Refer to [the RFC](http://self-issued.info/docs/draft-jones-json-web-token.html) for information about reserved keys and the proper way to add your own.
## What's in the box?
This library supports the parsing and verification as well as the generation and signing of JWTs. Current supported signing algorithms are HMAC SHA, RSA, RSA-PSS, and ECDSA, though hooks are present for adding your own.
## Examples
See [the project documentation](https://godoc.org/github.com/dgrijalva/jwt-go) for examples of usage:
* [Simple example of parsing and validating a token](https://godoc.org/github.com/dgrijalva/jwt-go#example_Parse_hmac)
* [Simple example of building and signing a token](https://godoc.org/github.com/dgrijalva/jwt-go#example_New_hmac)
* [Directory of Examples](https://godoc.org/github.com/dgrijalva/jwt-go#pkg-examples)
## Extensions
This library publishes all the necessary components for adding your own signing methods. Simply implement the `SigningMethod` interface and register a factory method using `RegisterSigningMethod`.
Here's an example of an extension that integrates with the Google App Engine signing tools: https://github.com/someone1/gcp-jwt-go
## Compliance
This library was last reviewed to comply with [RTF 7519](http://www.rfc-editor.org/info/rfc7519) dated May 2015 with a few notable differences:
* In order to protect against accidental use of [Unsecured JWTs](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html#UnsecuredJWT), tokens using `alg=none` will only be accepted if the constant `jwt.UnsafeAllowNoneSignatureType` is provided as the key.
## Project Status & Versioning
This library is considered production ready. Feedback and feature requests are appreciated. The API should be considered stable. There should be very few backwards-incompatible changes outside of major version updates (and only with good reason).
This project uses [Semantic Versioning 2.0.0](http://semver.org). Accepted pull requests will land on `master`. Periodically, versions will be tagged from `master`. You can find all the releases on [the project releases page](https://github.com/dgrijalva/jwt-go/releases).
While we try to make it obvious when we make breaking changes, there isn't a great mechanism for pushing announcements out to users. You may want to use this alternative package include: `gopkg.in/dgrijalva/jwt-go.v2`. It will do the right thing WRT semantic versioning.
## Usage Tips
### Signing vs Encryption
A token is simply a JSON object that is signed by its author. this tells you exactly two things about the data:
* The author of the token was in the possession of the signing secret
* The data has not been modified since it was signed
It's important to know that JWT does not provide encryption, which means anyone who has access to the token can read its contents. If you need to protect (encrypt) the data, there is a companion spec, `JWE`, that provides this functionality. JWE is currently outside the scope of this library.
### Choosing a Signing Method
There are several signing methods available, and you should probably take the time to learn about the various options before choosing one. The principal design decision is most likely going to be symmetric vs asymmetric.
Symmetric signing methods, such as HSA, use only a single secret. This is probably the simplest signing method to use since any `[]byte` can be used as a valid secret. They are also slightly computationally faster to use, though this rarely is enough to matter. Symmetric signing methods work the best when both producers and consumers of tokens are trusted, or even the same system. Since the same secret is used to both sign and validate tokens, you can't easily distribute the key for validation.
Asymmetric signing methods, such as RSA, use different keys for signing and verifying tokens. This makes it possible to produce tokens with a private key, and allow any consumer to access the public key for verification.
### JWT and OAuth
It's worth mentioning that OAuth and JWT are not the same thing. A JWT token is simply a signed JSON object. It can be used anywhere such a thing is useful. There is some confusion, though, as JWT is the most common type of bearer token used in OAuth2 authentication.
Without going too far down the rabbit hole, here's a description of the interaction of these technologies:
* OAuth is a protocol for allowing an identity provider to be separate from the service a user is logging in to. For example, whenever you use Facebook to log into a different service (Yelp, Spotify, etc), you are using OAuth.
* OAuth defines several options for passing around authentication data. One popular method is called a "bearer token". A bearer token is simply a string that _should_ only be held by an authenticated user. Thus, simply presenting this token proves your identity. You can probably derive from here why a JWT might make a good bearer token.
* Because bearer tokens are used for authentication, it's important they're kept secret. This is why transactions that use bearer tokens typically happen over SSL.
## More
Documentation can be found [on godoc.org](http://godoc.org/github.com/dgrijalva/jwt-go).
The command line utility included in this project (cmd/jwt) provides a straightforward example of token creation and parsing as well as a useful tool for debugging your own integration. You'll also find several implementation examples in to documentation.

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## `jwt-go` Version History
#### 3.0.0
* **Compatibility Breaking Changes**: See MIGRATION_GUIDE.md for tips on updating your code
* Dropped support for `[]byte` keys when using RSA signing methods. This convenience feature could contribute to security vulnerabilities involving mismatched key types with signing methods.
* `ParseFromRequest` has been moved to `request` subpackage and usage has changed
* The `Claims` property on `Token` is now type `Claims` instead of `map[string]interface{}`. The default value is type `MapClaims`, which is an alias to `map[string]interface{}`. This makes it possible to use a custom type when decoding claims.
* Other Additions and Changes
* Added `Claims` interface type to allow users to decode the claims into a custom type
* Added `ParseWithClaims`, which takes a third argument of type `Claims`. Use this function instead of `Parse` if you have a custom type you'd like to decode into.
* Dramatically improved the functionality and flexibility of `ParseFromRequest`, which is now in the `request` subpackage
* Added `ParseFromRequestWithClaims` which is the `FromRequest` equivalent of `ParseWithClaims`
* Added new interface type `Extractor`, which is used for extracting JWT strings from http requests. Used with `ParseFromRequest` and `ParseFromRequestWithClaims`.
* Added several new, more specific, validation errors to error type bitmask
* Moved examples from README to executable example files
* Signing method registry is now thread safe
* Added new property to `ValidationError`, which contains the raw error returned by calls made by parse/verify (such as those returned by keyfunc or json parser)
#### 2.7.0
This will likely be the last backwards compatible release before 3.0.0, excluding essential bug fixes.
* Added new option `-show` to the `jwt` command that will just output the decoded token without verifying
* Error text for expired tokens includes how long it's been expired
* Fixed incorrect error returned from `ParseRSAPublicKeyFromPEM`
* Documentation updates
#### 2.6.0
* Exposed inner error within ValidationError
* Fixed validation errors when using UseJSONNumber flag
* Added several unit tests
#### 2.5.0
* Added support for signing method none. You shouldn't use this. The API tries to make this clear.
* Updated/fixed some documentation
* Added more helpful error message when trying to parse tokens that begin with `BEARER `
#### 2.4.0
* Added new type, Parser, to allow for configuration of various parsing parameters
* You can now specify a list of valid signing methods. Anything outside this set will be rejected.
* You can now opt to use the `json.Number` type instead of `float64` when parsing token JSON
* Added support for [Travis CI](https://travis-ci.org/dgrijalva/jwt-go)
* Fixed some bugs with ECDSA parsing
#### 2.3.0
* Added support for ECDSA signing methods
* Added support for RSA PSS signing methods (requires go v1.4)
#### 2.2.0
* Gracefully handle a `nil` `Keyfunc` being passed to `Parse`. Result will now be the parsed token and an error, instead of a panic.
#### 2.1.0
Backwards compatible API change that was missed in 2.0.0.
* The `SignedString` method on `Token` now takes `interface{}` instead of `[]byte`
#### 2.0.0
There were two major reasons for breaking backwards compatibility with this update. The first was a refactor required to expand the width of the RSA and HMAC-SHA signing implementations. There will likely be no required code changes to support this change.
The second update, while unfortunately requiring a small change in integration, is required to open up this library to other signing methods. Not all keys used for all signing methods have a single standard on-disk representation. Requiring `[]byte` as the type for all keys proved too limiting. Additionally, this implementation allows for pre-parsed tokens to be reused, which might matter in an application that parses a high volume of tokens with a small set of keys. Backwards compatibilty has been maintained for passing `[]byte` to the RSA signing methods, but they will also accept `*rsa.PublicKey` and `*rsa.PrivateKey`.
It is likely the only integration change required here will be to change `func(t *jwt.Token) ([]byte, error)` to `func(t *jwt.Token) (interface{}, error)` when calling `Parse`.
* **Compatibility Breaking Changes**
* `SigningMethodHS256` is now `*SigningMethodHMAC` instead of `type struct`
* `SigningMethodRS256` is now `*SigningMethodRSA` instead of `type struct`
* `KeyFunc` now returns `interface{}` instead of `[]byte`
* `SigningMethod.Sign` now takes `interface{}` instead of `[]byte` for the key
* `SigningMethod.Verify` now takes `interface{}` instead of `[]byte` for the key
* Renamed type `SigningMethodHS256` to `SigningMethodHMAC`. Specific sizes are now just instances of this type.
* Added public package global `SigningMethodHS256`
* Added public package global `SigningMethodHS384`
* Added public package global `SigningMethodHS512`
* Renamed type `SigningMethodRS256` to `SigningMethodRSA`. Specific sizes are now just instances of this type.
* Added public package global `SigningMethodRS256`
* Added public package global `SigningMethodRS384`
* Added public package global `SigningMethodRS512`
* Moved sample private key for HMAC tests from an inline value to a file on disk. Value is unchanged.
* Refactored the RSA implementation to be easier to read
* Exposed helper methods `ParseRSAPrivateKeyFromPEM` and `ParseRSAPublicKeyFromPEM`
#### 1.0.2
* Fixed bug in parsing public keys from certificates
* Added more tests around the parsing of keys for RS256
* Code refactoring in RS256 implementation. No functional changes
#### 1.0.1
* Fixed panic if RS256 signing method was passed an invalid key
#### 1.0.0
* First versioned release
* API stabilized
* Supports creating, signing, parsing, and validating JWT tokens
* Supports RS256 and HS256 signing methods

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package jwt
import (
"crypto/subtle"
"fmt"
"time"
)
// For a type to be a Claims object, it must just have a Valid method that determines
// if the token is invalid for any supported reason
type Claims interface {
Valid() error
}
// Structured version of Claims Section, as referenced at
// https://tools.ietf.org/html/rfc7519#section-4.1
// See examples for how to use this with your own claim types
type StandardClaims struct {
Audience string `json:"aud,omitempty"`
ExpiresAt int64 `json:"exp,omitempty"`
Id string `json:"jti,omitempty"`
IssuedAt int64 `json:"iat,omitempty"`
Issuer string `json:"iss,omitempty"`
NotBefore int64 `json:"nbf,omitempty"`
Subject string `json:"sub,omitempty"`
}
// Validates time based claims "exp, iat, nbf".
// There is no accounting for clock skew.
// As well, if any of the above claims are not in the token, it will still
// be considered a valid claim.
func (c StandardClaims) Valid() error {
vErr := new(ValidationError)
now := TimeFunc().Unix()
// The claims below are optional, by default, so if they are set to the
// default value in Go, let's not fail the verification for them.
if c.VerifyExpiresAt(now, false) == false {
delta := time.Unix(now, 0).Sub(time.Unix(c.ExpiresAt, 0))
vErr.Inner = fmt.Errorf("token is expired by %v", delta)
vErr.Errors |= ValidationErrorExpired
}
if c.VerifyIssuedAt(now, false) == false {
vErr.Inner = fmt.Errorf("Token used before issued")
vErr.Errors |= ValidationErrorIssuedAt
}
if c.VerifyNotBefore(now, false) == false {
vErr.Inner = fmt.Errorf("token is not valid yet")
vErr.Errors |= ValidationErrorNotValidYet
}
if vErr.valid() {
return nil
}
return vErr
}
// Compares the aud claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (c *StandardClaims) VerifyAudience(cmp string, req bool) bool {
return verifyAud(c.Audience, cmp, req)
}
// Compares the exp claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (c *StandardClaims) VerifyExpiresAt(cmp int64, req bool) bool {
return verifyExp(c.ExpiresAt, cmp, req)
}
// Compares the iat claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (c *StandardClaims) VerifyIssuedAt(cmp int64, req bool) bool {
return verifyIat(c.IssuedAt, cmp, req)
}
// Compares the iss claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (c *StandardClaims) VerifyIssuer(cmp string, req bool) bool {
return verifyIss(c.Issuer, cmp, req)
}
// Compares the nbf claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (c *StandardClaims) VerifyNotBefore(cmp int64, req bool) bool {
return verifyNbf(c.NotBefore, cmp, req)
}
// ----- helpers
func verifyAud(aud string, cmp string, required bool) bool {
if aud == "" {
return !required
}
if subtle.ConstantTimeCompare([]byte(aud), []byte(cmp)) != 0 {
return true
} else {
return false
}
}
func verifyExp(exp int64, now int64, required bool) bool {
if exp == 0 {
return !required
}
return now <= exp
}
func verifyIat(iat int64, now int64, required bool) bool {
if iat == 0 {
return !required
}
return now >= iat
}
func verifyIss(iss string, cmp string, required bool) bool {
if iss == "" {
return !required
}
if subtle.ConstantTimeCompare([]byte(iss), []byte(cmp)) != 0 {
return true
} else {
return false
}
}
func verifyNbf(nbf int64, now int64, required bool) bool {
if nbf == 0 {
return !required
}
return now >= nbf
}

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`jwt` command-line tool
=======================
This is a simple tool to sign, verify and show JSON Web Tokens from
the command line.
The following will create and sign a token, then verify it and output the original claims:
echo {\"foo\":\"bar\"} | bin/jwt -key test/sample_key -alg RS256 -sign - | bin/jwt -key test/sample_key.pub -verify -
To simply display a token, use:
echo $JWT | jwt -show -

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// A useful example app. You can use this to debug your tokens on the command line.
// This is also a great place to look at how you might use this library.
//
// Example usage:
// The following will create and sign a token, then verify it and output the original claims.
// echo {\"foo\":\"bar\"} | bin/jwt -key test/sample_key -alg RS256 -sign - | bin/jwt -key test/sample_key.pub -verify -
package main
import (
"encoding/json"
"flag"
"fmt"
"io"
"io/ioutil"
"os"
"regexp"
"strings"
jwt "github.com/dgrijalva/jwt-go"
)
var (
// Options
flagAlg = flag.String("alg", "", "signing algorithm identifier")
flagKey = flag.String("key", "", "path to key file or '-' to read from stdin")
flagCompact = flag.Bool("compact", false, "output compact JSON")
flagDebug = flag.Bool("debug", false, "print out all kinds of debug data")
// Modes - exactly one of these is required
flagSign = flag.String("sign", "", "path to claims object to sign or '-' to read from stdin")
flagVerify = flag.String("verify", "", "path to JWT token to verify or '-' to read from stdin")
flagShow = flag.String("show", "", "path to JWT file or '-' to read from stdin")
)
func main() {
// Usage message if you ask for -help or if you mess up inputs.
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
fmt.Fprintf(os.Stderr, " One of the following flags is required: sign, verify\n")
flag.PrintDefaults()
}
// Parse command line options
flag.Parse()
// Do the thing. If something goes wrong, print error to stderr
// and exit with a non-zero status code
if err := start(); err != nil {
fmt.Fprintf(os.Stderr, "Error: %v\n", err)
os.Exit(1)
}
}
// Figure out which thing to do and then do that
func start() error {
if *flagSign != "" {
return signToken()
} else if *flagVerify != "" {
return verifyToken()
} else if *flagShow != "" {
return showToken()
} else {
flag.Usage()
return fmt.Errorf("None of the required flags are present. What do you want me to do?")
}
}
// Helper func: Read input from specified file or stdin
func loadData(p string) ([]byte, error) {
if p == "" {
return nil, fmt.Errorf("No path specified")
}
var rdr io.Reader
if p == "-" {
rdr = os.Stdin
} else {
if f, err := os.Open(p); err == nil {
rdr = f
defer f.Close()
} else {
return nil, err
}
}
return ioutil.ReadAll(rdr)
}
// Print a json object in accordance with the prophecy (or the command line options)
func printJSON(j interface{}) error {
var out []byte
var err error
if *flagCompact == false {
out, err = json.MarshalIndent(j, "", " ")
} else {
out, err = json.Marshal(j)
}
if err == nil {
fmt.Println(string(out))
}
return err
}
// Verify a token and output the claims. This is a great example
// of how to verify and view a token.
func verifyToken() error {
// get the token
tokData, err := loadData(*flagVerify)
if err != nil {
return fmt.Errorf("Couldn't read token: %v", err)
}
// trim possible whitespace from token
tokData = regexp.MustCompile(`\s*$`).ReplaceAll(tokData, []byte{})
if *flagDebug {
fmt.Fprintf(os.Stderr, "Token len: %v bytes\n", len(tokData))
}
// Parse the token. Load the key from command line option
token, err := jwt.Parse(string(tokData), func(t *jwt.Token) (interface{}, error) {
data, err := loadData(*flagKey)
if err != nil {
return nil, err
}
if isEs() {
return jwt.ParseECPublicKeyFromPEM(data)
}
return data, nil
})
// Print some debug data
if *flagDebug && token != nil {
fmt.Fprintf(os.Stderr, "Header:\n%v\n", token.Header)
fmt.Fprintf(os.Stderr, "Claims:\n%v\n", token.Claims)
}
// Print an error if we can't parse for some reason
if err != nil {
return fmt.Errorf("Couldn't parse token: %v", err)
}
// Is token invalid?
if !token.Valid {
return fmt.Errorf("Token is invalid")
}
// Print the token details
if err := printJSON(token.Claims); err != nil {
return fmt.Errorf("Failed to output claims: %v", err)
}
return nil
}
// Create, sign, and output a token. This is a great, simple example of
// how to use this library to create and sign a token.
func signToken() error {
// get the token data from command line arguments
tokData, err := loadData(*flagSign)
if err != nil {
return fmt.Errorf("Couldn't read token: %v", err)
} else if *flagDebug {
fmt.Fprintf(os.Stderr, "Token: %v bytes", len(tokData))
}
// parse the JSON of the claims
var claims jwt.MapClaims
if err := json.Unmarshal(tokData, &claims); err != nil {
return fmt.Errorf("Couldn't parse claims JSON: %v", err)
}
// get the key
var key interface{}
key, err = loadData(*flagKey)
if err != nil {
return fmt.Errorf("Couldn't read key: %v", err)
}
// get the signing alg
alg := jwt.GetSigningMethod(*flagAlg)
if alg == nil {
return fmt.Errorf("Couldn't find signing method: %v", *flagAlg)
}
// create a new token
token := jwt.NewWithClaims(alg, claims)
if isEs() {
if k, ok := key.([]byte); !ok {
return fmt.Errorf("Couldn't convert key data to key")
} else {
key, err = jwt.ParseECPrivateKeyFromPEM(k)
if err != nil {
return err
}
}
}
if out, err := token.SignedString(key); err == nil {
fmt.Println(out)
} else {
return fmt.Errorf("Error signing token: %v", err)
}
return nil
}
// showToken pretty-prints the token on the command line.
func showToken() error {
// get the token
tokData, err := loadData(*flagShow)
if err != nil {
return fmt.Errorf("Couldn't read token: %v", err)
}
// trim possible whitespace from token
tokData = regexp.MustCompile(`\s*$`).ReplaceAll(tokData, []byte{})
if *flagDebug {
fmt.Fprintf(os.Stderr, "Token len: %v bytes\n", len(tokData))
}
token, err := jwt.Parse(string(tokData), nil)
if token == nil {
return fmt.Errorf("malformed token: %v", err)
}
// Print the token details
fmt.Println("Header:")
if err := printJSON(token.Header); err != nil {
return fmt.Errorf("Failed to output header: %v", err)
}
fmt.Println("Claims:")
if err := printJSON(token.Claims); err != nil {
return fmt.Errorf("Failed to output claims: %v", err)
}
return nil
}
func isEs() bool {
return strings.HasPrefix(*flagAlg, "ES")
}

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// Package jwt is a Go implementation of JSON Web Tokens: http://self-issued.info/docs/draft-jones-json-web-token.html
//
// See README.md for more info.
package jwt

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package jwt
import (
"crypto"
"crypto/ecdsa"
"crypto/rand"
"errors"
"math/big"
)
var (
// Sadly this is missing from crypto/ecdsa compared to crypto/rsa
ErrECDSAVerification = errors.New("crypto/ecdsa: verification error")
)
// Implements the ECDSA family of signing methods signing methods
type SigningMethodECDSA struct {
Name string
Hash crypto.Hash
KeySize int
CurveBits int
}
// Specific instances for EC256 and company
var (
SigningMethodES256 *SigningMethodECDSA
SigningMethodES384 *SigningMethodECDSA
SigningMethodES512 *SigningMethodECDSA
)
func init() {
// ES256
SigningMethodES256 = &SigningMethodECDSA{"ES256", crypto.SHA256, 32, 256}
RegisterSigningMethod(SigningMethodES256.Alg(), func() SigningMethod {
return SigningMethodES256
})
// ES384
SigningMethodES384 = &SigningMethodECDSA{"ES384", crypto.SHA384, 48, 384}
RegisterSigningMethod(SigningMethodES384.Alg(), func() SigningMethod {
return SigningMethodES384
})
// ES512
SigningMethodES512 = &SigningMethodECDSA{"ES512", crypto.SHA512, 66, 521}
RegisterSigningMethod(SigningMethodES512.Alg(), func() SigningMethod {
return SigningMethodES512
})
}
func (m *SigningMethodECDSA) Alg() string {
return m.Name
}
// Implements the Verify method from SigningMethod
// For this verify method, key must be an ecdsa.PublicKey struct
func (m *SigningMethodECDSA) Verify(signingString, signature string, key interface{}) error {
var err error
// Decode the signature
var sig []byte
if sig, err = DecodeSegment(signature); err != nil {
return err
}
// Get the key
var ecdsaKey *ecdsa.PublicKey
switch k := key.(type) {
case *ecdsa.PublicKey:
ecdsaKey = k
default:
return ErrInvalidKeyType
}
if len(sig) != 2*m.KeySize {
return ErrECDSAVerification
}
r := big.NewInt(0).SetBytes(sig[:m.KeySize])
s := big.NewInt(0).SetBytes(sig[m.KeySize:])
// Create hasher
if !m.Hash.Available() {
return ErrHashUnavailable
}
hasher := m.Hash.New()
hasher.Write([]byte(signingString))
// Verify the signature
if verifystatus := ecdsa.Verify(ecdsaKey, hasher.Sum(nil), r, s); verifystatus == true {
return nil
} else {
return ErrECDSAVerification
}
}
// Implements the Sign method from SigningMethod
// For this signing method, key must be an ecdsa.PrivateKey struct
func (m *SigningMethodECDSA) Sign(signingString string, key interface{}) (string, error) {
// Get the key
var ecdsaKey *ecdsa.PrivateKey
switch k := key.(type) {
case *ecdsa.PrivateKey:
ecdsaKey = k
default:
return "", ErrInvalidKeyType
}
// Create the hasher
if !m.Hash.Available() {
return "", ErrHashUnavailable
}
hasher := m.Hash.New()
hasher.Write([]byte(signingString))
// Sign the string and return r, s
if r, s, err := ecdsa.Sign(rand.Reader, ecdsaKey, hasher.Sum(nil)); err == nil {
curveBits := ecdsaKey.Curve.Params().BitSize
if m.CurveBits != curveBits {
return "", ErrInvalidKey
}
keyBytes := curveBits / 8
if curveBits%8 > 0 {
keyBytes += 1
}
// We serialize the outpus (r and s) into big-endian byte arrays and pad
// them with zeros on the left to make sure the sizes work out. Both arrays
// must be keyBytes long, and the output must be 2*keyBytes long.
rBytes := r.Bytes()
rBytesPadded := make([]byte, keyBytes)
copy(rBytesPadded[keyBytes-len(rBytes):], rBytes)
sBytes := s.Bytes()
sBytesPadded := make([]byte, keyBytes)
copy(sBytesPadded[keyBytes-len(sBytes):], sBytes)
out := append(rBytesPadded, sBytesPadded...)
return EncodeSegment(out), nil
} else {
return "", err
}
}

100
vendor/github.com/dgrijalva/jwt-go/ecdsa_test.go generated vendored Normal file
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package jwt_test
import (
"crypto/ecdsa"
"io/ioutil"
"strings"
"testing"
"github.com/dgrijalva/jwt-go"
)
var ecdsaTestData = []struct {
name string
keys map[string]string
tokenString string
alg string
claims map[string]interface{}
valid bool
}{
{
"Basic ES256",
map[string]string{"private": "test/ec256-private.pem", "public": "test/ec256-public.pem"},
"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzI1NiJ9.eyJmb28iOiJiYXIifQ.feG39E-bn8HXAKhzDZq7yEAPWYDhZlwTn3sePJnU9VrGMmwdXAIEyoOnrjreYlVM_Z4N13eK9-TmMTWyfKJtHQ",
"ES256",
map[string]interface{}{"foo": "bar"},
true,
},
{
"Basic ES384",
map[string]string{"private": "test/ec384-private.pem", "public": "test/ec384-public.pem"},
"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzM4NCJ9.eyJmb28iOiJiYXIifQ.ngAfKMbJUh0WWubSIYe5GMsA-aHNKwFbJk_wq3lq23aPp8H2anb1rRILIzVR0gUf4a8WzDtrzmiikuPWyCS6CN4-PwdgTk-5nehC7JXqlaBZU05p3toM3nWCwm_LXcld",
"ES384",
map[string]interface{}{"foo": "bar"},
true,
},
{
"Basic ES512",
map[string]string{"private": "test/ec512-private.pem", "public": "test/ec512-public.pem"},
"eyJ0eXAiOiJKV1QiLCJhbGciOiJFUzUxMiJ9.eyJmb28iOiJiYXIifQ.AAU0TvGQOcdg2OvrwY73NHKgfk26UDekh9Prz-L_iWuTBIBqOFCWwwLsRiHB1JOddfKAls5do1W0jR_F30JpVd-6AJeTjGKA4C1A1H6gIKwRY0o_tFDIydZCl_lMBMeG5VNFAjO86-WCSKwc3hqaGkq1MugPRq_qrF9AVbuEB4JPLyL5",
"ES512",
map[string]interface{}{"foo": "bar"},
true,
},
{
"basic ES256 invalid: foo => bar",
map[string]string{"private": "test/ec256-private.pem", "public": "test/ec256-public.pem"},
"eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIifQ.MEQCIHoSJnmGlPaVQDqacx_2XlXEhhqtWceVopjomc2PJLtdAiAUTeGPoNYxZw0z8mgOnnIcjoxRuNDVZvybRZF3wR1l8W",
"ES256",
map[string]interface{}{"foo": "bar"},
false,
},
}
func TestECDSAVerify(t *testing.T) {
for _, data := range ecdsaTestData {
var err error
key, _ := ioutil.ReadFile(data.keys["public"])
var ecdsaKey *ecdsa.PublicKey
if ecdsaKey, err = jwt.ParseECPublicKeyFromPEM(key); err != nil {
t.Errorf("Unable to parse ECDSA public key: %v", err)
}
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
err = method.Verify(strings.Join(parts[0:2], "."), parts[2], ecdsaKey)
if data.valid && err != nil {
t.Errorf("[%v] Error while verifying key: %v", data.name, err)
}
if !data.valid && err == nil {
t.Errorf("[%v] Invalid key passed validation", data.name)
}
}
}
func TestECDSASign(t *testing.T) {
for _, data := range ecdsaTestData {
var err error
key, _ := ioutil.ReadFile(data.keys["private"])
var ecdsaKey *ecdsa.PrivateKey
if ecdsaKey, err = jwt.ParseECPrivateKeyFromPEM(key); err != nil {
t.Errorf("Unable to parse ECDSA private key: %v", err)
}
if data.valid {
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
sig, err := method.Sign(strings.Join(parts[0:2], "."), ecdsaKey)
if err != nil {
t.Errorf("[%v] Error signing token: %v", data.name, err)
}
if sig == parts[2] {
t.Errorf("[%v] Identical signatures\nbefore:\n%v\nafter:\n%v", data.name, parts[2], sig)
}
}
}
}

67
vendor/github.com/dgrijalva/jwt-go/ecdsa_utils.go generated vendored Normal file
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package jwt
import (
"crypto/ecdsa"
"crypto/x509"
"encoding/pem"
"errors"
)
var (
ErrNotECPublicKey = errors.New("Key is not a valid ECDSA public key")
ErrNotECPrivateKey = errors.New("Key is not a valid ECDSA private key")
)
// Parse PEM encoded Elliptic Curve Private Key Structure
func ParseECPrivateKeyFromPEM(key []byte) (*ecdsa.PrivateKey, error) {
var err error
// Parse PEM block
var block *pem.Block
if block, _ = pem.Decode(key); block == nil {
return nil, ErrKeyMustBePEMEncoded
}
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParseECPrivateKey(block.Bytes); err != nil {
return nil, err
}
var pkey *ecdsa.PrivateKey
var ok bool
if pkey, ok = parsedKey.(*ecdsa.PrivateKey); !ok {
return nil, ErrNotECPrivateKey
}
return pkey, nil
}
// Parse PEM encoded PKCS1 or PKCS8 public key
func ParseECPublicKeyFromPEM(key []byte) (*ecdsa.PublicKey, error) {
var err error
// Parse PEM block
var block *pem.Block
if block, _ = pem.Decode(key); block == nil {
return nil, ErrKeyMustBePEMEncoded
}
// Parse the key
var parsedKey interface{}
if parsedKey, err = x509.ParsePKIXPublicKey(block.Bytes); err != nil {
if cert, err := x509.ParseCertificate(block.Bytes); err == nil {
parsedKey = cert.PublicKey
} else {
return nil, err
}
}
var pkey *ecdsa.PublicKey
var ok bool
if pkey, ok = parsedKey.(*ecdsa.PublicKey); !ok {
return nil, ErrNotECPublicKey
}
return pkey, nil
}

63
vendor/github.com/dgrijalva/jwt-go/errors.go generated vendored Normal file
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@ -0,0 +1,63 @@
package jwt
import (
"errors"
)
// Error constants
var (
ErrInvalidKey = errors.New("key is invalid")
ErrInvalidKeyType = errors.New("key is of invalid type")
ErrHashUnavailable = errors.New("the requested hash function is unavailable")
)
// The errors that might occur when parsing and validating a token
const (
ValidationErrorMalformed uint32 = 1 << iota // Token is malformed
ValidationErrorUnverifiable // Token could not be verified because of signing problems
ValidationErrorSignatureInvalid // Signature validation failed
// Standard Claim validation errors
ValidationErrorAudience // AUD validation failed
ValidationErrorExpired // EXP validation failed
ValidationErrorIssuedAt // IAT validation failed
ValidationErrorIssuer // ISS validation failed
ValidationErrorNotValidYet // NBF validation failed
ValidationErrorId // JTI validation failed
ValidationErrorClaimsInvalid // Generic claims validation error
)
// Helper for constructing a ValidationError with a string error message
func NewValidationError(errorText string, errorFlags uint32) *ValidationError {
return &ValidationError{
text: errorText,
Errors: errorFlags,
}
}
// The error from Parse if token is not valid
type ValidationError struct {
Inner error // stores the error returned by external dependencies, i.e.: KeyFunc
Errors uint32 // bitfield. see ValidationError... constants
text string // errors that do not have a valid error just have text
}
// Validation error is an error type
func (e ValidationError) Error() string {
if e.Inner != nil {
return e.Inner.Error()
} else if e.text != "" {
return e.text
} else {
return "token is invalid"
}
return e.Inner.Error()
}
// No errors
func (e *ValidationError) valid() bool {
if e.Errors > 0 {
return false
}
return true
}

114
vendor/github.com/dgrijalva/jwt-go/example_test.go generated vendored Normal file
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@ -0,0 +1,114 @@
package jwt_test
import (
"fmt"
"github.com/dgrijalva/jwt-go"
"time"
)
// Example (atypical) using the StandardClaims type by itself to parse a token.
// The StandardClaims type is designed to be embedded into your custom types
// to provide standard validation features. You can use it alone, but there's
// no way to retrieve other fields after parsing.
// See the CustomClaimsType example for intended usage.
func ExampleNewWithClaims_standardClaims() {
mySigningKey := []byte("AllYourBase")
// Create the Claims
claims := &jwt.StandardClaims{
ExpiresAt: 15000,
Issuer: "test",
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
ss, err := token.SignedString(mySigningKey)
fmt.Printf("%v %v", ss, err)
//Output: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.QsODzZu3lUZMVdhbO76u3Jv02iYCvEHcYVUI1kOWEU0 <nil>
}
// Example creating a token using a custom claims type. The StandardClaim is embedded
// in the custom type to allow for easy encoding, parsing and validation of standard claims.
func ExampleNewWithClaims_customClaimsType() {
mySigningKey := []byte("AllYourBase")
type MyCustomClaims struct {
Foo string `json:"foo"`
jwt.StandardClaims
}
// Create the Claims
claims := MyCustomClaims{
"bar",
jwt.StandardClaims{
ExpiresAt: 15000,
Issuer: "test",
},
}
token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
ss, err := token.SignedString(mySigningKey)
fmt.Printf("%v %v", ss, err)
//Output: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c <nil>
}
// Example creating a token using a custom claims type. The StandardClaim is embedded
// in the custom type to allow for easy encoding, parsing and validation of standard claims.
func ExampleParseWithClaims_customClaimsType() {
tokenString := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
type MyCustomClaims struct {
Foo string `json:"foo"`
jwt.StandardClaims
}
// sample token is expired. override time so it parses as valid
at(time.Unix(0, 0), func() {
token, err := jwt.ParseWithClaims(tokenString, &MyCustomClaims{}, func(token *jwt.Token) (interface{}, error) {
return []byte("AllYourBase"), nil
})
if claims, ok := token.Claims.(*MyCustomClaims); ok && token.Valid {
fmt.Printf("%v %v", claims.Foo, claims.StandardClaims.ExpiresAt)
} else {
fmt.Println(err)
}
})
// Output: bar 15000
}
// Override time value for tests. Restore default value after.
func at(t time.Time, f func()) {
jwt.TimeFunc = func() time.Time {
return t
}
f()
jwt.TimeFunc = time.Now
}
// An example of parsing the error types using bitfield checks
func ExampleParse_errorChecking() {
// Token from another example. This token is expired
var tokenString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c"
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
return []byte("AllYourBase"), nil
})
if token.Valid {
fmt.Println("You look nice today")
} else if ve, ok := err.(*jwt.ValidationError); ok {
if ve.Errors&jwt.ValidationErrorMalformed != 0 {
fmt.Println("That's not even a token")
} else if ve.Errors&(jwt.ValidationErrorExpired|jwt.ValidationErrorNotValidYet) != 0 {
// Token is either expired or not active yet
fmt.Println("Timing is everything")
} else {
fmt.Println("Couldn't handle this token:", err)
}
} else {
fmt.Println("Couldn't handle this token:", err)
}
// Output: Timing is everything
}

94
vendor/github.com/dgrijalva/jwt-go/hmac.go generated vendored Normal file
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package jwt
import (
"crypto"
"crypto/hmac"
"errors"
)
// Implements the HMAC-SHA family of signing methods signing methods
type SigningMethodHMAC struct {
Name string
Hash crypto.Hash
}
// Specific instances for HS256 and company
var (
SigningMethodHS256 *SigningMethodHMAC
SigningMethodHS384 *SigningMethodHMAC
SigningMethodHS512 *SigningMethodHMAC
ErrSignatureInvalid = errors.New("signature is invalid")
)
func init() {
// HS256
SigningMethodHS256 = &SigningMethodHMAC{"HS256", crypto.SHA256}
RegisterSigningMethod(SigningMethodHS256.Alg(), func() SigningMethod {
return SigningMethodHS256
})
// HS384
SigningMethodHS384 = &SigningMethodHMAC{"HS384", crypto.SHA384}
RegisterSigningMethod(SigningMethodHS384.Alg(), func() SigningMethod {
return SigningMethodHS384
})
// HS512
SigningMethodHS512 = &SigningMethodHMAC{"HS512", crypto.SHA512}
RegisterSigningMethod(SigningMethodHS512.Alg(), func() SigningMethod {
return SigningMethodHS512
})
}
func (m *SigningMethodHMAC) Alg() string {
return m.Name
}
// Verify the signature of HSXXX tokens. Returns nil if the signature is valid.
func (m *SigningMethodHMAC) Verify(signingString, signature string, key interface{}) error {
// Verify the key is the right type
keyBytes, ok := key.([]byte)
if !ok {
return ErrInvalidKeyType
}
// Decode signature, for comparison
sig, err := DecodeSegment(signature)
if err != nil {
return err
}
// Can we use the specified hashing method?
if !m.Hash.Available() {
return ErrHashUnavailable
}
// This signing method is symmetric, so we validate the signature
// by reproducing the signature from the signing string and key, then
// comparing that against the provided signature.
hasher := hmac.New(m.Hash.New, keyBytes)
hasher.Write([]byte(signingString))
if !hmac.Equal(sig, hasher.Sum(nil)) {
return ErrSignatureInvalid
}
// No validation errors. Signature is good.
return nil
}
// Implements the Sign method from SigningMethod for this signing method.
// Key must be []byte
func (m *SigningMethodHMAC) Sign(signingString string, key interface{}) (string, error) {
if keyBytes, ok := key.([]byte); ok {
if !m.Hash.Available() {
return "", ErrHashUnavailable
}
hasher := hmac.New(m.Hash.New, keyBytes)
hasher.Write([]byte(signingString))
return EncodeSegment(hasher.Sum(nil)), nil
}
return "", ErrInvalidKey
}

64
vendor/github.com/dgrijalva/jwt-go/hmac_example_test.go generated vendored Normal file
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package jwt_test
import (
"fmt"
"github.com/dgrijalva/jwt-go"
"io/ioutil"
"time"
)
// For HMAC signing method, the key can be any []byte. It is recommended to generate
// a key using crypto/rand or something equivalent. You need the same key for signing
// and validating.
var hmacSampleSecret []byte
func init() {
// Load sample key data
if keyData, e := ioutil.ReadFile("test/hmacTestKey"); e == nil {
hmacSampleSecret = keyData
} else {
panic(e)
}
}
// Example creating, signing, and encoding a JWT token using the HMAC signing method
func ExampleNew_hmac() {
// Create a new token object, specifying signing method and the claims
// you would like it to contain.
token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
"foo": "bar",
"nbf": time.Date(2015, 10, 10, 12, 0, 0, 0, time.UTC).Unix(),
})
// Sign and get the complete encoded token as a string using the secret
tokenString, err := token.SignedString(hmacSampleSecret)
fmt.Println(tokenString, err)
// Output: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJuYmYiOjE0NDQ0Nzg0MDB9.u1riaD1rW97opCoAuRCTy4w58Br-Zk-bh7vLiRIsrpU <nil>
}
// Example parsing and validating a token using the HMAC signing method
func ExampleParse_hmac() {
// sample token string taken from the New example
tokenString := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJuYmYiOjE0NDQ0Nzg0MDB9.u1riaD1rW97opCoAuRCTy4w58Br-Zk-bh7vLiRIsrpU"
// Parse takes the token string and a function for looking up the key. The latter is especially
// useful if you use multiple keys for your application. The standard is to use 'kid' in the
// head of the token to identify which key to use, but the parsed token (head and claims) is provided
// to the callback, providing flexibility.
token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
// Don't forget to validate the alg is what you expect:
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("Unexpected signing method: %v", token.Header["alg"])
}
return hmacSampleSecret, nil
})
if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
fmt.Println(claims["foo"], claims["nbf"])
} else {
fmt.Println(err)
}
// Output: bar 1.4444784e+09
}

91
vendor/github.com/dgrijalva/jwt-go/hmac_test.go generated vendored Normal file
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@ -0,0 +1,91 @@
package jwt_test
import (
"github.com/dgrijalva/jwt-go"
"io/ioutil"
"strings"
"testing"
)
var hmacTestData = []struct {
name string
tokenString string
alg string
claims map[string]interface{}
valid bool
}{
{
"web sample",
"eyJ0eXAiOiJKV1QiLA0KICJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ.dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk",
"HS256",
map[string]interface{}{"iss": "joe", "exp": 1300819380, "http://example.com/is_root": true},
true,
},
{
"HS384",
"eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9.eyJleHAiOjEuMzAwODE5MzhlKzA5LCJodHRwOi8vZXhhbXBsZS5jb20vaXNfcm9vdCI6dHJ1ZSwiaXNzIjoiam9lIn0.KWZEuOD5lbBxZ34g7F-SlVLAQ_r5KApWNWlZIIMyQVz5Zs58a7XdNzj5_0EcNoOy",
"HS384",
map[string]interface{}{"iss": "joe", "exp": 1300819380, "http://example.com/is_root": true},
true,
},
{
"HS512",
"eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJleHAiOjEuMzAwODE5MzhlKzA5LCJodHRwOi8vZXhhbXBsZS5jb20vaXNfcm9vdCI6dHJ1ZSwiaXNzIjoiam9lIn0.CN7YijRX6Aw1n2jyI2Id1w90ja-DEMYiWixhYCyHnrZ1VfJRaFQz1bEbjjA5Fn4CLYaUG432dEYmSbS4Saokmw",
"HS512",
map[string]interface{}{"iss": "joe", "exp": 1300819380, "http://example.com/is_root": true},
true,
},
{
"web sample: invalid",
"eyJ0eXAiOiJKV1QiLA0KICJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ.dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXo",
"HS256",
map[string]interface{}{"iss": "joe", "exp": 1300819380, "http://example.com/is_root": true},
false,
},
}
// Sample data from http://tools.ietf.org/html/draft-jones-json-web-signature-04#appendix-A.1
var hmacTestKey, _ = ioutil.ReadFile("test/hmacTestKey")
func TestHMACVerify(t *testing.T) {
for _, data := range hmacTestData {
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
err := method.Verify(strings.Join(parts[0:2], "."), parts[2], hmacTestKey)
if data.valid && err != nil {
t.Errorf("[%v] Error while verifying key: %v", data.name, err)
}
if !data.valid && err == nil {
t.Errorf("[%v] Invalid key passed validation", data.name)
}
}
}
func TestHMACSign(t *testing.T) {
for _, data := range hmacTestData {
if data.valid {
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
sig, err := method.Sign(strings.Join(parts[0:2], "."), hmacTestKey)
if err != nil {
t.Errorf("[%v] Error signing token: %v", data.name, err)
}
if sig != parts[2] {
t.Errorf("[%v] Incorrect signature.\nwas:\n%v\nexpecting:\n%v", data.name, sig, parts[2])
}
}
}
}
func BenchmarkHS256Signing(b *testing.B) {
benchmarkSigning(b, jwt.SigningMethodHS256, hmacTestKey)
}
func BenchmarkHS384Signing(b *testing.B) {
benchmarkSigning(b, jwt.SigningMethodHS384, hmacTestKey)
}
func BenchmarkHS512Signing(b *testing.B) {
benchmarkSigning(b, jwt.SigningMethodHS512, hmacTestKey)
}

216
vendor/github.com/dgrijalva/jwt-go/http_example_test.go generated vendored Normal file
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package jwt_test
// Example HTTP auth using asymmetric crypto/RSA keys
// This is based on a (now outdated) example at https://gist.github.com/cryptix/45c33ecf0ae54828e63b
import (
"bytes"
"crypto/rsa"
"fmt"
"github.com/dgrijalva/jwt-go"
"github.com/dgrijalva/jwt-go/request"
"io"
"io/ioutil"
"log"
"net"
"net/http"
"net/url"
"strings"
"time"
)
// location of the files used for signing and verification
const (
privKeyPath = "test/sample_key" // openssl genrsa -out app.rsa keysize
pubKeyPath = "test/sample_key.pub" // openssl rsa -in app.rsa -pubout > app.rsa.pub
)
var (
verifyKey *rsa.PublicKey
signKey *rsa.PrivateKey
serverPort int
// storing sample username/password pairs
// don't do this on a real server
users = map[string]string{
"test": "known",
}
)
// read the key files before starting http handlers
func init() {
signBytes, err := ioutil.ReadFile(privKeyPath)
fatal(err)
signKey, err = jwt.ParseRSAPrivateKeyFromPEM(signBytes)
fatal(err)
verifyBytes, err := ioutil.ReadFile(pubKeyPath)
fatal(err)
verifyKey, err = jwt.ParseRSAPublicKeyFromPEM(verifyBytes)
fatal(err)
http.HandleFunc("/authenticate", authHandler)
http.HandleFunc("/restricted", restrictedHandler)
// Setup listener
listener, err := net.ListenTCP("tcp", &net.TCPAddr{})
serverPort = listener.Addr().(*net.TCPAddr).Port
log.Println("Listening...")
go func() {
fatal(http.Serve(listener, nil))
}()
}
var start func()
func fatal(err error) {
if err != nil {
log.Fatal(err)
}
}
// Define some custom types were going to use within our tokens
type CustomerInfo struct {
Name string
Kind string
}
type CustomClaimsExample struct {
*jwt.StandardClaims
TokenType string
CustomerInfo
}
func Example_getTokenViaHTTP() {
// See func authHandler for an example auth handler that produces a token
res, err := http.PostForm(fmt.Sprintf("http://localhost:%v/authenticate", serverPort), url.Values{
"user": {"test"},
"pass": {"known"},
})
if err != nil {
fatal(err)
}
if res.StatusCode != 200 {
fmt.Println("Unexpected status code", res.StatusCode)
}
// Read the token out of the response body
buf := new(bytes.Buffer)
io.Copy(buf, res.Body)
res.Body.Close()
tokenString := strings.TrimSpace(buf.String())
// Parse the token
token, err := jwt.ParseWithClaims(tokenString, &CustomClaimsExample{}, func(token *jwt.Token) (interface{}, error) {
// since we only use the one private key to sign the tokens,
// we also only use its public counter part to verify
return verifyKey, nil
})
fatal(err)
claims := token.Claims.(*CustomClaimsExample)
fmt.Println(claims.CustomerInfo.Name)
//Output: test
}
func Example_useTokenViaHTTP() {
// Make a sample token
// In a real world situation, this token will have been acquired from
// some other API call (see Example_getTokenViaHTTP)
token, err := createToken("foo")
fatal(err)
// Make request. See func restrictedHandler for example request processor
req, err := http.NewRequest("GET", fmt.Sprintf("http://localhost:%v/restricted", serverPort), nil)
fatal(err)
req.Header.Set("Authorization", fmt.Sprintf("Bearer %v", token))
res, err := http.DefaultClient.Do(req)
fatal(err)
// Read the response body
buf := new(bytes.Buffer)
io.Copy(buf, res.Body)
res.Body.Close()
fmt.Println(buf.String())
// Output: Welcome, foo
}
func createToken(user string) (string, error) {
// create a signer for rsa 256
t := jwt.New(jwt.GetSigningMethod("RS256"))
// set our claims
t.Claims = &CustomClaimsExample{
&jwt.StandardClaims{
// set the expire time
// see http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-20#section-4.1.4
ExpiresAt: time.Now().Add(time.Minute * 1).Unix(),
},
"level1",
CustomerInfo{user, "human"},
}
// Creat token string
return t.SignedString(signKey)
}
// reads the form values, checks them and creates the token
func authHandler(w http.ResponseWriter, r *http.Request) {
// make sure its post
if r.Method != "POST" {
w.WriteHeader(http.StatusBadRequest)
fmt.Fprintln(w, "No POST", r.Method)
return
}
user := r.FormValue("user")
pass := r.FormValue("pass")
log.Printf("Authenticate: user[%s] pass[%s]\n", user, pass)
// check values
if user != "test" || pass != "known" {
w.WriteHeader(http.StatusForbidden)
fmt.Fprintln(w, "Wrong info")
return
}
tokenString, err := createToken(user)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
fmt.Fprintln(w, "Sorry, error while Signing Token!")
log.Printf("Token Signing error: %v\n", err)
return
}
w.Header().Set("Content-Type", "application/jwt")
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, tokenString)
}
// only accessible with a valid token
func restrictedHandler(w http.ResponseWriter, r *http.Request) {
// Get token from request
token, err := request.ParseFromRequestWithClaims(r, request.OAuth2Extractor, &CustomClaimsExample{}, func(token *jwt.Token) (interface{}, error) {
// since we only use the one private key to sign the tokens,
// we also only use its public counter part to verify
return verifyKey, nil
})
// If the token is missing or invalid, return error
if err != nil {
w.WriteHeader(http.StatusUnauthorized)
fmt.Fprintln(w, "Invalid token:", err)
return
}
// Token is valid
fmt.Fprintln(w, "Welcome,", token.Claims.(*CustomClaimsExample).Name)
return
}

94
vendor/github.com/dgrijalva/jwt-go/map_claims.go generated vendored Normal file
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@ -0,0 +1,94 @@
package jwt
import (
"encoding/json"
"errors"
// "fmt"
)
// Claims type that uses the map[string]interface{} for JSON decoding
// This is the default claims type if you don't supply one
type MapClaims map[string]interface{}
// Compares the aud claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (m MapClaims) VerifyAudience(cmp string, req bool) bool {
aud, _ := m["aud"].(string)
return verifyAud(aud, cmp, req)
}
// Compares the exp claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (m MapClaims) VerifyExpiresAt(cmp int64, req bool) bool {
switch exp := m["exp"].(type) {
case float64:
return verifyExp(int64(exp), cmp, req)
case json.Number:
v, _ := exp.Int64()
return verifyExp(v, cmp, req)
}
return req == false
}
// Compares the iat claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (m MapClaims) VerifyIssuedAt(cmp int64, req bool) bool {
switch iat := m["iat"].(type) {
case float64:
return verifyIat(int64(iat), cmp, req)
case json.Number:
v, _ := iat.Int64()
return verifyIat(v, cmp, req)
}
return req == false
}
// Compares the iss claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (m MapClaims) VerifyIssuer(cmp string, req bool) bool {
iss, _ := m["iss"].(string)
return verifyIss(iss, cmp, req)
}
// Compares the nbf claim against cmp.
// If required is false, this method will return true if the value matches or is unset
func (m MapClaims) VerifyNotBefore(cmp int64, req bool) bool {
switch nbf := m["nbf"].(type) {
case float64:
return verifyNbf(int64(nbf), cmp, req)
case json.Number:
v, _ := nbf.Int64()
return verifyNbf(v, cmp, req)
}
return req == false
}
// Validates time based claims "exp, iat, nbf".
// There is no accounting for clock skew.
// As well, if any of the above claims are not in the token, it will still
// be considered a valid claim.
func (m MapClaims) Valid() error {
vErr := new(ValidationError)
now := TimeFunc().Unix()
if m.VerifyExpiresAt(now, false) == false {
vErr.Inner = errors.New("Token is expired")
vErr.Errors |= ValidationErrorExpired
}
if m.VerifyIssuedAt(now, false) == false {
vErr.Inner = errors.New("Token used before issued")
vErr.Errors |= ValidationErrorIssuedAt
}
if m.VerifyNotBefore(now, false) == false {
vErr.Inner = errors.New("Token is not valid yet")
vErr.Errors |= ValidationErrorNotValidYet
}
if vErr.valid() {
return nil
}
return vErr
}

52
vendor/github.com/dgrijalva/jwt-go/none.go generated vendored Normal file
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@ -0,0 +1,52 @@
package jwt
// Implements the none signing method. This is required by the spec
// but you probably should never use it.
var SigningMethodNone *signingMethodNone
const UnsafeAllowNoneSignatureType unsafeNoneMagicConstant = "none signing method allowed"
var NoneSignatureTypeDisallowedError error
type signingMethodNone struct{}
type unsafeNoneMagicConstant string
func init() {
SigningMethodNone = &signingMethodNone{}
NoneSignatureTypeDisallowedError = NewValidationError("'none' signature type is not allowed", ValidationErrorSignatureInvalid)
RegisterSigningMethod(SigningMethodNone.Alg(), func() SigningMethod {
return SigningMethodNone
})
}
func (m *signingMethodNone) Alg() string {
return "none"
}
// Only allow 'none' alg type if UnsafeAllowNoneSignatureType is specified as the key
func (m *signingMethodNone) Verify(signingString, signature string, key interface{}) (err error) {
// Key must be UnsafeAllowNoneSignatureType to prevent accidentally
// accepting 'none' signing method
if _, ok := key.(unsafeNoneMagicConstant); !ok {
return NoneSignatureTypeDisallowedError
}
// If signing method is none, signature must be an empty string
if signature != "" {
return NewValidationError(
"'none' signing method with non-empty signature",
ValidationErrorSignatureInvalid,
)
}
// Accept 'none' signing method.
return nil
}
// Only allow 'none' signing if UnsafeAllowNoneSignatureType is specified as the key
func (m *signingMethodNone) Sign(signingString string, key interface{}) (string, error) {
if _, ok := key.(unsafeNoneMagicConstant); ok {
return "", nil
}
return "", NoneSignatureTypeDisallowedError
}

72
vendor/github.com/dgrijalva/jwt-go/none_test.go generated vendored Normal file
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@ -0,0 +1,72 @@
package jwt_test
import (
"github.com/dgrijalva/jwt-go"
"strings"
"testing"
)
var noneTestData = []struct {
name string
tokenString string
alg string
key interface{}
claims map[string]interface{}
valid bool
}{
{
"Basic",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.",
"none",
jwt.UnsafeAllowNoneSignatureType,
map[string]interface{}{"foo": "bar"},
true,
},
{
"Basic - no key",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.",
"none",
nil,
map[string]interface{}{"foo": "bar"},
false,
},
{
"Signed",
"eyJhbGciOiJSUzM4NCIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIifQ.W-jEzRfBigtCWsinvVVuldiuilzVdU5ty0MvpLaSaqK9PlAWWlDQ1VIQ_qSKzwL5IXaZkvZFJXT3yL3n7OUVu7zCNJzdwznbC8Z-b0z2lYvcklJYi2VOFRcGbJtXUqgjk2oGsiqUMUMOLP70TTefkpsgqDxbRh9CDUfpOJgW-dU7cmgaoswe3wjUAUi6B6G2YEaiuXC0XScQYSYVKIzgKXJV8Zw-7AN_DBUI4GkTpsvQ9fVVjZM9csQiEXhYekyrKu1nu_POpQonGd8yqkIyXPECNmmqH5jH4sFiF67XhD7_JpkvLziBpI-uh86evBUadmHhb9Otqw3uV3NTaXLzJw",
"none",
jwt.UnsafeAllowNoneSignatureType,
map[string]interface{}{"foo": "bar"},
false,
},
}
func TestNoneVerify(t *testing.T) {
for _, data := range noneTestData {
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
err := method.Verify(strings.Join(parts[0:2], "."), parts[2], data.key)
if data.valid && err != nil {
t.Errorf("[%v] Error while verifying key: %v", data.name, err)
}
if !data.valid && err == nil {
t.Errorf("[%v] Invalid key passed validation", data.name)
}
}
}
func TestNoneSign(t *testing.T) {
for _, data := range noneTestData {
if data.valid {
parts := strings.Split(data.tokenString, ".")
method := jwt.GetSigningMethod(data.alg)
sig, err := method.Sign(strings.Join(parts[0:2], "."), data.key)
if err != nil {
t.Errorf("[%v] Error signing token: %v", data.name, err)
}
if sig != parts[2] {
t.Errorf("[%v] Incorrect signature.\nwas:\n%v\nexpecting:\n%v", data.name, sig, parts[2])
}
}
}
}

128
vendor/github.com/dgrijalva/jwt-go/parser.go generated vendored Normal file
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@ -0,0 +1,128 @@
package jwt
import (
"bytes"
"encoding/json"
"fmt"
"strings"
)
type Parser struct {
ValidMethods []string // If populated, only these methods will be considered valid
UseJSONNumber bool // Use JSON Number format in JSON decoder
}
// Parse, validate, and return a token.
// keyFunc will receive the parsed token and should return the key for validating.
// If everything is kosher, err will be nil
func (p *Parser) Parse(tokenString string, keyFunc Keyfunc) (*Token, error) {
return p.ParseWithClaims(tokenString, MapClaims{}, keyFunc)
}
func (p *Parser) ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc) (*Token, error) {
parts := strings.Split(tokenString, ".")
if len(parts) != 3 {
return nil, NewValidationError("token contains an invalid number of segments", ValidationErrorMalformed)
}
var err error
token := &Token{Raw: tokenString}
// parse Header
var headerBytes []byte
if headerBytes, err = DecodeSegment(parts[0]); err != nil {
if strings.HasPrefix(strings.ToLower(tokenString), "bearer ") {
return token, NewValidationError("tokenstring should not contain 'bearer '", ValidationErrorMalformed)
}
return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
}
if err = json.Unmarshal(headerBytes, &token.Header); err != nil {
return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
}
// parse Claims
var claimBytes []byte
token.Claims = claims
if claimBytes, err = DecodeSegment(parts[1]); err != nil {
return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
}
dec := json.NewDecoder(bytes.NewBuffer(claimBytes))
if p.UseJSONNumber {
dec.UseNumber()
}
// JSON Decode. Special case for map type to avoid weird pointer behavior
if c, ok := token.Claims.(MapClaims); ok {
err = dec.Decode(&c)
} else {
err = dec.Decode(&claims)
}
// Handle decode error
if err != nil {
return token, &ValidationError{Inner: err, Errors: ValidationErrorMalformed}
}
// Lookup signature method
if method, ok := token.Header["alg"].(string); ok {
if token.Method = GetSigningMethod(method); token.Method == nil {
return token, NewValidationError("signing method (alg) is unavailable.", ValidationErrorUnverifiable)
}
} else {
return token, NewValidationError("signing method (alg) is unspecified.", ValidationErrorUnverifiable)
}
// Verify signing method is in the required set
if p.ValidMethods != nil {
var signingMethodValid = false
var alg = token.Method.Alg()
for _, m := range p.ValidMethods {
if m == alg {
signingMethodValid = true
break
}
}
if !signingMethodValid {
// signing method is not in the listed set
return token, NewValidationError(fmt.Sprintf("signing method %v is invalid", alg), ValidationErrorSignatureInvalid)
}
}
// Lookup key
var key interface{}
if keyFunc == nil {
// keyFunc was not provided. short circuiting validation
return token, NewValidationError("no Keyfunc was provided.", ValidationErrorUnverifiable)
}
if key, err = keyFunc(token); err != nil {
// keyFunc returned an error
return token, &ValidationError{Inner: err, Errors: ValidationErrorUnverifiable}
}
vErr := &ValidationError{}
// Validate Claims
if err := token.Claims.Valid(); err != nil {
// If the Claims Valid returned an error, check if it is a validation error,
// If it was another error type, create a ValidationError with a generic ClaimsInvalid flag set
if e, ok := err.(*ValidationError); !ok {
vErr = &ValidationError{Inner: err, Errors: ValidationErrorClaimsInvalid}
} else {
vErr = e
}
}
// Perform validation
token.Signature = parts[2]
if err = token.Method.Verify(strings.Join(parts[0:2], "."), token.Signature, key); err != nil {
vErr.Inner = err
vErr.Errors |= ValidationErrorSignatureInvalid
}
if vErr.valid() {
token.Valid = true
return token, nil
}
return token, vErr
}

252
vendor/github.com/dgrijalva/jwt-go/parser_test.go generated vendored Normal file
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@ -0,0 +1,252 @@
package jwt_test
import (
"crypto/rsa"
"encoding/json"
"fmt"
"reflect"
"testing"
"time"
"github.com/dgrijalva/jwt-go"
"github.com/dgrijalva/jwt-go/test"
)
var keyFuncError error = fmt.Errorf("error loading key")
var (
jwtTestDefaultKey *rsa.PublicKey
defaultKeyFunc jwt.Keyfunc = func(t *jwt.Token) (interface{}, error) { return jwtTestDefaultKey, nil }
emptyKeyFunc jwt.Keyfunc = func(t *jwt.Token) (interface{}, error) { return nil, nil }
errorKeyFunc jwt.Keyfunc = func(t *jwt.Token) (interface{}, error) { return nil, keyFuncError }
nilKeyFunc jwt.Keyfunc = nil
)
func init() {
jwtTestDefaultKey = test.LoadRSAPublicKeyFromDisk("test/sample_key.pub")
}
var jwtTestData = []struct {
name string
tokenString string
keyfunc jwt.Keyfunc
claims jwt.Claims
valid bool
errors uint32
parser *jwt.Parser
}{
{
"basic",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.FhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
defaultKeyFunc,
jwt.MapClaims{"foo": "bar"},
true,
0,
nil,
},
{
"basic expired",
"", // autogen
defaultKeyFunc,
jwt.MapClaims{"foo": "bar", "exp": float64(time.Now().Unix() - 100)},
false,
jwt.ValidationErrorExpired,
nil,
},
{
"basic nbf",
"", // autogen
defaultKeyFunc,
jwt.MapClaims{"foo": "bar", "nbf": float64(time.Now().Unix() + 100)},
false,
jwt.ValidationErrorNotValidYet,
nil,
},
{
"expired and nbf",
"", // autogen
defaultKeyFunc,
jwt.MapClaims{"foo": "bar", "nbf": float64(time.Now().Unix() + 100), "exp": float64(time.Now().Unix() - 100)},
false,
jwt.ValidationErrorNotValidYet | jwt.ValidationErrorExpired,
nil,
},
{
"basic invalid",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.EhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
defaultKeyFunc,
jwt.MapClaims{"foo": "bar"},
false,
jwt.ValidationErrorSignatureInvalid,
nil,
},
{
"basic nokeyfunc",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.FhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
nilKeyFunc,
jwt.MapClaims{"foo": "bar"},
false,
jwt.ValidationErrorUnverifiable,
nil,
},
{
"basic nokey",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.FhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
emptyKeyFunc,
jwt.MapClaims{"foo": "bar"},
false,
jwt.ValidationErrorSignatureInvalid,
nil,
},
{
"basic errorkey",
"eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJmb28iOiJiYXIifQ.FhkiHkoESI_cG3NPigFrxEk9Z60_oXrOT2vGm9Pn6RDgYNovYORQmmA0zs1AoAOf09ly2Nx2YAg6ABqAYga1AcMFkJljwxTT5fYphTuqpWdy4BELeSYJx5Ty2gmr8e7RonuUztrdD5WfPqLKMm1Ozp_T6zALpRmwTIW0QPnaBXaQD90FplAg46Iy1UlDKr-Eupy0i5SLch5Q-p2ZpaL_5fnTIUDlxC3pWhJTyx_71qDI-mAA_5lE_VdroOeflG56sSmDxopPEG3bFlSu1eowyBfxtu0_CuVd-M42RU75Zc4Gsj6uV77MBtbMrf4_7M_NUTSgoIF3fRqxrj0NzihIBg",
errorKeyFunc,
jwt.MapClaims{"foo": "bar"},
false,
jwt.ValidationErrorUnverifiable,
nil,
},
{
"invalid signing method",
"",
defaultKeyFunc,
jwt.MapClaims{"foo": "bar"},
false,
jwt.ValidationErrorSignatureInvalid,
&jwt.Parser{ValidMethods: []string{"HS256"}},
},
{
"valid signing method",
"",
defaultKeyFunc,
jwt.MapClaims{"foo": "bar"},
true,
0,
&jwt.Parser{ValidMethods: []string{"RS256", "HS256"}},
},
{
"JSON Number",
"",
defaultKeyFunc,
jwt.MapClaims{"foo": json.Number("123.4")},
true,
0,
&jwt.Parser{UseJSONNumber: true},
},
{
"Standard Claims",
"",
defaultKeyFunc,
&jwt.StandardClaims{
ExpiresAt: time.Now().Add(time.Second * 10).Unix(),
},
true,
0,
&jwt.Parser{UseJSONNumber: true},
},
{
"JSON Number - basic expired",
"", // autogen
defaultKeyFunc,
jwt.MapClaims{"foo": "bar", "exp": json.Number(fmt.Sprintf("%v", time.Now().Unix()-100))},
false,
jwt.ValidationErrorExpired,
&jwt.Parser{UseJSONNumber: true},
},
{
"JSON Number - basic nbf",
"", // autogen
defaultKeyFunc,
jwt.MapClaims{"foo": "bar", "nbf": json.Number(fmt.Sprintf("%v", time.Now().Unix()+100))},
false,
jwt.ValidationErrorNotValidYet,
&jwt.Parser{UseJSONNumber: true},
},
{
"JSON Number - expired and nbf",
"", // autogen
defaultKeyFunc,
jwt.MapClaims{"foo": "bar", "nbf": json.Number(fmt.Sprintf("%v", time.Now().Unix()+100)), "exp": json.Number(fmt.Sprintf("%v", time.Now().Unix()-100))},
false,
jwt.ValidationErrorNotValidYet | jwt.ValidationErrorExpired,
&jwt.Parser{UseJSONNumber: true},
},
}
func TestParser_Parse(t *testing.T) {
privateKey := test.LoadRSAPrivateKeyFromDisk("test/sample_key")
// Iterate over test data set and run tests
for _, data := range jwtTestData {
// If the token string is blank, use helper function to generate string
if data.tokenString == "" {
data.tokenString = test.MakeSampleToken(data.claims, privateKey)
}
// Parse the token
var token *jwt.Token
var err error
var parser = data.parser
if parser == nil {
parser = new(jwt.Parser)
}
// Figure out correct claims type
switch data.claims.(type) {
case jwt.MapClaims:
token, err = parser.ParseWithClaims(data.tokenString, jwt.MapClaims{}, data.keyfunc)
case *jwt.StandardClaims:
token, err = parser.ParseWithClaims(data.tokenString, &jwt.StandardClaims{}, data.keyfunc)
}
// Verify result matches expectation
if !reflect.DeepEqual(data.claims, token.Claims) {
t.Errorf("[%v] Claims mismatch. Expecting: %v Got: %v", data.name, data.claims, token.Claims)
}
if data.valid && err != nil {
t.Errorf("[%v] Error while verifying token: %T:%v", data.name, err, err)
}
if !data.valid && err == nil {
t.Errorf("[%v] Invalid token passed validation", data.name)
}
if (err == nil && !token.Valid) || (err != nil && token.Valid) {
t.Errorf("[%v] Inconsistent behavior between returned error and token.Valid")
}
if data.errors != 0 {
if err == nil {
t.Errorf("[%v] Expecting error. Didn't get one.", data.name)
} else {
ve := err.(*jwt.ValidationError)
// compare the bitfield part of the error
if e := ve.Errors; e != data.errors {
t.Errorf("[%v] Errors don't match expectation. %v != %v", data.name, e, data.errors)
}
if err.Error() == keyFuncError.Error() && ve.Inner != keyFuncError {
t.Errorf("[%v] Inner error does not match expectation. %v != %v", data.name, ve.Inner, keyFuncError)
}
}
}
if data.valid && token.Signature == "" {
t.Errorf("[%v] Signature is left unpopulated after parsing", data.name)
}
}
}
// Helper method for benchmarking various methods
func benchmarkSigning(b *testing.B, method jwt.SigningMethod, key interface{}) {
t := jwt.New(method)
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
if _, err := t.SignedString(key); err != nil {
b.Fatal(err)
}
}
})
}

7
vendor/github.com/dgrijalva/jwt-go/request/doc.go generated vendored Normal file
View File

@ -0,0 +1,7 @@
// Utility package for extracting JWT tokens from
// HTTP requests.
//
// The main function is ParseFromRequest and it's WithClaims variant.
// See examples for how to use the various Extractor implementations
// or roll your own.
package request

81
vendor/github.com/dgrijalva/jwt-go/request/extractor.go generated vendored Normal file
View File

@ -0,0 +1,81 @@
package request
import (
"errors"
"net/http"
)
// Errors
var (
ErrNoTokenInRequest = errors.New("no token present in request")
)
// Interface for extracting a token from an HTTP request.
// The ExtractToken method should return a token string or an error.
// If no token is present, you must return ErrNoTokenInRequest.
type Extractor interface {
ExtractToken(*http.Request) (string, error)
}
// Extractor for finding a token in a header. Looks at each specified
// header in order until there's a match
type HeaderExtractor []string
func (e HeaderExtractor) ExtractToken(req *http.Request) (string, error) {
// loop over header names and return the first one that contains data
for _, header := range e {
if ah := req.Header.Get(header); ah != "" {
return ah, nil
}
}
return "", ErrNoTokenInRequest
}
// Extract token from request arguments. This includes a POSTed form or
// GET URL arguments. Argument names are tried in order until there's a match.
// This extractor calls `ParseMultipartForm` on the request
type ArgumentExtractor []string
func (e ArgumentExtractor) ExtractToken(req *http.Request) (string, error) {
// Make sure form is parsed
req.ParseMultipartForm(10e6)
// loop over arg names and return the first one that contains data
for _, arg := range e {
if ah := req.Form.Get(arg); ah != "" {
return ah, nil
}
}
return "", ErrNoTokenInRequest
}
// Tries Extractors in order until one returns a token string or an error occurs
type MultiExtractor []Extractor
func (e MultiExtractor) ExtractToken(req *http.Request) (string, error) {
// loop over header names and return the first one that contains data
for _, extractor := range e {
if tok, err := extractor.ExtractToken(req); tok != "" {
return tok, nil
} else if err != ErrNoTokenInRequest {
return "", err
}
}
return "", ErrNoTokenInRequest
}
// Wrap an Extractor in this to post-process the value before it's handed off.
// See AuthorizationHeaderExtractor for an example
type PostExtractionFilter struct {
Extractor
Filter func(string) (string, error)
}
func (e *PostExtractionFilter) ExtractToken(req *http.Request) (string, error) {
if tok, err := e.Extractor.ExtractToken(req); tok != "" {
return e.Filter(tok)
} else {
return "", err
}
}

32
vendor/github.com/dgrijalva/jwt-go/request/extractor_example_test.go generated vendored Normal file
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@ -0,0 +1,32 @@
package request
import (
"fmt"
"net/url"
)
const (
exampleTokenA = "A"
)
func ExampleHeaderExtractor() {
req := makeExampleRequest("GET", "/", map[string]string{"Token": exampleTokenA}, nil)
tokenString, err := HeaderExtractor{"Token"}.ExtractToken(req)
if err == nil {
fmt.Println(tokenString)
} else {
fmt.Println(err)
}
//Output: A
}
func ExampleArgumentExtractor() {
req := makeExampleRequest("GET", "/", nil, url.Values{"token": {extractorTestTokenA}})
tokenString, err := ArgumentExtractor{"token"}.ExtractToken(req)
if err == nil {
fmt.Println(tokenString)
} else {
fmt.Println(err)
}
//Output: A
}

91
vendor/github.com/dgrijalva/jwt-go/request/extractor_test.go generated vendored Normal file
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@ -0,0 +1,91 @@
package request
import (
"fmt"
"net/http"
"net/url"
"testing"
)
var extractorTestTokenA = "A"
var extractorTestTokenB = "B"
var extractorTestData = []struct {
name string
extractor Extractor
headers map[string]string
query url.Values
token string
err error
}{
{
name: "simple header",
extractor: HeaderExtractor{"Foo"},
headers: map[string]string{"Foo": extractorTestTokenA},
query: nil,
token: extractorTestTokenA,
err: nil,
},
{
name: "simple argument",
extractor: ArgumentExtractor{"token"},
headers: map[string]string{},
query: url.Values{"token": {extractorTestTokenA}},
token: extractorTestTokenA,
err: nil,
},
{
name: "multiple extractors",
extractor: MultiExtractor{
HeaderExtractor{"Foo"},
ArgumentExtractor{"token"},
},
headers: map[string]string{"Foo": extractorTestTokenA},
query: url.Values{"token": {extractorTestTokenB}},
token: extractorTestTokenA,
err: nil,
},
{
name: "simple miss",
extractor: HeaderExtractor{"This-Header-Is-Not-Set"},
headers: map[string]string{"Foo": extractorTestTokenA},
query: nil,
token: "",
err: ErrNoTokenInRequest,
},
{
name: "filter",
extractor: AuthorizationHeaderExtractor,
headers: map[string]string{"Authorization": "Bearer " + extractorTestTokenA},
query: nil,
token: extractorTestTokenA,
err: nil,
},
}
func TestExtractor(t *testing.T) {
// Bearer token request
for _, data := range extractorTestData {
// Make request from test struct
r := makeExampleRequest("GET", "/", data.headers, data.query)
// Test extractor
token, err := data.extractor.ExtractToken(r)
if token != data.token {
t.Errorf("[%v] Expected token '%v'. Got '%v'", data.name, data.token, token)
continue
}
if err != data.err {
t.Errorf("[%v] Expected error '%v'. Got '%v'", data.name, data.err, err)
continue
}
}
}
func makeExampleRequest(method, path string, headers map[string]string, urlArgs url.Values) *http.Request {
r, _ := http.NewRequest(method, fmt.Sprintf("%v?%v", path, urlArgs.Encode()), nil)
for k, v := range headers {
r.Header.Set(k, v)
}
return r
}

28
vendor/github.com/dgrijalva/jwt-go/request/oauth2.go generated vendored Normal file
View File

@ -0,0 +1,28 @@
package request
import (
"strings"
)
// Strips 'Bearer ' prefix from bearer token string
func stripBearerPrefixFromTokenString(tok string) (string, error) {
// Should be a bearer token
if len(tok) > 6 && strings.ToUpper(tok[0:7]) == "BEARER " {
return tok[7:], nil
}
return tok, nil
}
// Extract bearer token from Authorization header
// Uses PostExtractionFilter to strip "Bearer " prefix from header
var AuthorizationHeaderExtractor = &PostExtractionFilter{
HeaderExtractor{"Authorization"},
stripBearerPrefixFromTokenString,
}
// Extractor for OAuth2 access tokens. Looks in 'Authorization'
// header then 'access_token' argument for a token.
var OAuth2Extractor = &MultiExtractor{
AuthorizationHeaderExtractor,
ArgumentExtractor{"access_token"},
}

24
vendor/github.com/dgrijalva/jwt-go/request/request.go generated vendored Normal file
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@ -0,0 +1,24 @@
package request
import (
"github.com/dgrijalva/jwt-go"
"net/http"
)
// Extract and parse a JWT token from an HTTP request.
// This behaves the same as Parse, but accepts a request and an extractor
// instead of a token string. The Extractor interface allows you to define
// the logic for extracting a token. Several useful implementations are provided.
func ParseFromRequest(req *http.Request, extractor Extractor, keyFunc jwt.Keyfunc) (token *jwt.Token, err error) {
return ParseFromRequestWithClaims(req, extractor, jwt.MapClaims{}, keyFunc)
}
// ParseFromRequest but with custom Claims type
func ParseFromRequestWithClaims(req *http.Request, extractor Extractor, claims jwt.Claims, keyFunc jwt.Keyfunc) (token *jwt.Token, err error) {
// Extract token from request
if tokStr, err := extractor.ExtractToken(req); err == nil {
return jwt.ParseWithClaims(tokStr, claims, keyFunc)
} else {
return nil, err
}
}

103
vendor/github.com/dgrijalva/jwt-go/request/request_test.go generated vendored Normal file
View File

@ -0,0 +1,103 @@
package request
import (
"fmt"
"github.com/dgrijalva/jwt-go"
"github.com/dgrijalva/jwt-go/test"
"net/http"
"net/url"
"reflect"
"strings"
"testing"
)
var requestTestData = []struct {
name string
claims jwt.MapClaims
extractor Extractor
headers map[string]string
query url.Values
valid bool
}{
{
"authorization bearer token",
jwt.MapClaims{"foo": "bar"},
AuthorizationHeaderExtractor,
map[string]string{"Authorization": "Bearer %v"},
url.Values{},
true,
},
{
"oauth bearer token - header",
jwt.MapClaims{"foo": "bar"},
OAuth2Extractor,
map[string]string{"Authorization": "Bearer %v"},
url.Values{},
true,
},
{
"oauth bearer token - url",
jwt.MapClaims{"foo": "bar"},
OAuth2Extractor,
map[string]string{},
url.Values{"access_token": {"%v"}},
true,
},
{
"url token",
jwt.MapClaims{"foo": "bar"},
ArgumentExtractor{"token"},
map[string]string{},
url.Values{"token": {"%v"}},
true,
},
}
func TestParseRequest(t *testing.T) {
// load keys from disk
privateKey := test.LoadRSAPrivateKeyFromDisk("../test/sample_key")
publicKey := test.LoadRSAPublicKeyFromDisk("../test/sample_key.pub")
keyfunc := func(*jwt.Token) (interface{}, error) {
return publicKey, nil
}
// Bearer token request
for _, data := range requestTestData {
// Make token from claims
tokenString := test.MakeSampleToken(data.claims, privateKey)
// Make query string
for k, vv := range data.query {
for i, v := range vv {
if strings.Contains(v, "%v") {
data.query[k][i] = fmt.Sprintf(v, tokenString)
}
}
}
// Make request from test struct
r, _ := http.NewRequest("GET", fmt.Sprintf("/?%v", data.query.Encode()), nil)
for k, v := range data.headers {
if strings.Contains(v, "%v") {
r.Header.Set(k, fmt.Sprintf(v, tokenString))
} else {
r.Header.Set(k, tokenString)
}
}
token, err := ParseFromRequestWithClaims(r, data.extractor, jwt.MapClaims{}, keyfunc)
if token == nil {
t.Errorf("[%v] Token was not found: %v", data.name, err)
continue
}
if !reflect.DeepEqual(data.claims, token.Claims) {
t.Errorf("[%v] Claims mismatch. Expecting: %v Got: %v", data.name, data.claims, token.Claims)
}
if data.valid && err != nil {
t.Errorf("[%v] Error while verifying token: %v", data.name, err)
}
if !data.valid && err == nil {
t.Errorf("[%v] Invalid token passed validation", data.name)
}
}
}

100
vendor/github.com/dgrijalva/jwt-go/rsa.go generated vendored Normal file
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@ -0,0 +1,100 @@
package jwt
import (
"crypto"
"crypto/rand"
"crypto/rsa"
)
// Implements the RSA family of signing methods signing methods
type SigningMethodRSA struct {
Name string
Hash crypto.Hash
}
// Specific instances for RS256 and company
var (
SigningMethodRS256 *SigningMethodRSA
SigningMethodRS384 *SigningMethodRSA
SigningMethodRS512 *SigningMethodRSA
)
func init() {
// RS256
SigningMethodRS256 = &SigningMethodRSA{"RS256", crypto.SHA256}
RegisterSigningMethod(SigningMethodRS256.Alg(), func() SigningMethod {
return SigningMethodRS256
})
// RS384
SigningMethodRS384 = &SigningMethodRSA{"RS384", crypto.SHA384}
RegisterSigningMethod(SigningMethodRS384.Alg(), func() SigningMethod {
return SigningMethodRS384
})
// RS512
SigningMethodRS512 = &SigningMethodRSA{"RS512", crypto.SHA512}
RegisterSigningMethod(SigningMethodRS512.Alg(), func() SigningMethod {
return SigningMethodRS512
})
}
func (m *SigningMethodRSA) Alg() string {
return m.Name
}
// Implements the Verify method from SigningMethod
// For this signing method, must be an rsa.PublicKey structure.
func (m *SigningMethodRSA) Verify(signingString, signature string, key interface{}) error {
var err error
// Decode the signature
var sig []byte
if sig, err = DecodeSegment(signature); err != nil {
return err
}
var rsaKey *rsa.PublicKey
var ok bool
if rsaKey, ok = key.(*rsa.PublicKey); !ok {
return ErrInvalidKeyType
}
// Create hasher
if !m.Hash.Available() {
return ErrHashUnavailable
}
hasher := m.Hash.New()
hasher.Write([]byte(signingString))
// Verify the signature
return rsa.VerifyPKCS1v15(rsaKey, m.Hash, hasher.Sum(nil), sig)
}
// Implements the Sign method from SigningMethod
// For this signing method, must be an rsa.PrivateKey structure.
func (m *SigningMethodRSA) Sign(signingString string, key interface{}) (string, error) {
var rsaKey *rsa.PrivateKey
var ok bool
// Validate type of key
if rsaKey, ok = key.(*rsa.PrivateKey); !ok {
return "", ErrInvalidKey
}
// Create the hasher
if !m.Hash.Available() {
return "", ErrHashUnavailable
}
hasher := m.Hash.New()
hasher.Write([]byte(signingString))
// Sign the string and return the encoded bytes
if sigBytes, err := rsa.SignPKCS1v15(rand.Reader, rsaKey, m.Hash, hasher.Sum(nil)); err == nil {
return EncodeSegment(sigBytes), nil
} else {
return "", err
}
}

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