From dbc537007d2a03ed524d023a35b20ee51466cd21 Mon Sep 17 00:00:00 2001
From: Asim Aslam <asim@aslam.me>
Date: Mon, 25 Nov 2019 09:30:26 +0000
Subject: [PATCH 1/4] First interface for auth

---
 auth/auth.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 auth/auth.go

diff --git a/auth/auth.go b/auth/auth.go
new file mode 100644
index 00000000..6c6f7e4f
--- /dev/null
+++ b/auth/auth.go
@@ -0,0 +1,26 @@
+// Package auth provides authentication and authorization capability
+package auth
+
+// Auth providers authentication and authorization
+type Auth interface {
+	// Generate a new authorization token
+	Generate(u string) (*Token, error)
+	// Revoke an authorization token
+	Revoke(t *Token) error
+	// Verify a token
+	Verify(t *Token) error
+}
+
+// Token providers by an auth provider
+type Token struct {
+	// Unique token id
+	Id string `json: "id"`
+	// Time of token creation
+	Created time.Time `json:"created"`
+	// Time of token expiry
+	Expiry time.Time `json:"expiry"`
+	// Roles associated with the token
+	Roles []string `json:"roles"`
+	// Any other associated metadata
+	Metadata map[string]string `json:"metadata"`
+}

From 7013e7467fc5ccfb48c4d8fe43f55e9fe6f2fa1c Mon Sep 17 00:00:00 2001
From: Asim Aslam <asim@aslam.me>
Date: Mon, 25 Nov 2019 09:33:30 +0000
Subject: [PATCH 2/4] Undefined time

---
 auth/auth.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/auth/auth.go b/auth/auth.go
index 6c6f7e4f..d34bf1fb 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -1,6 +1,10 @@
 // Package auth provides authentication and authorization capability
 package auth
 
+import (
+	"time"
+)
+
 // Auth providers authentication and authorization
 type Auth interface {
 	// Generate a new authorization token

From 515014fbeb5eb68268feea878c64552c324209f5 Mon Sep 17 00:00:00 2001
From: Asim Aslam <asim@aslam.me>
Date: Tue, 17 Dec 2019 21:27:05 +0000
Subject: [PATCH 3/4] update with resource

---
 auth/auth.go | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/auth/auth.go b/auth/auth.go
index d34bf1fb..57286a85 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -7,12 +7,20 @@ import (
 
 // Auth providers authentication and authorization
 type Auth interface {
-	// Generate a new authorization token
-	Generate(u string) (*Token, error)
+	// Generate a new auth token
+	Generate(string) (*Token, error)
 	// Revoke an authorization token
-	Revoke(t *Token) error
-	// Verify a token
-	Verify(t *Token) error
+	Revoke(*Token) error
+	// Grant access to a resource
+	Grant(*Token, *Resource) error
+	// Verify a token can access a resource
+	Verify(*Token, *Resource) error
+}
+
+// Resource is some thing to provide access to
+type Resource struct {
+	// Name of the resource
+	Name string
 }
 
 // Token providers by an auth provider

From ebae497a7251006b535008dabe21295dba8cf451 Mon Sep 17 00:00:00 2001
From: Asim Aslam <asim@aslam.me>
Date: Tue, 17 Dec 2019 21:37:20 +0000
Subject: [PATCH 4/4] use service rather than resource

---
 auth/auth.go | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/auth/auth.go b/auth/auth.go
index 57286a85..109019c4 100644
--- a/auth/auth.go
+++ b/auth/auth.go
@@ -12,15 +12,17 @@ type Auth interface {
 	// Revoke an authorization token
 	Revoke(*Token) error
 	// Grant access to a resource
-	Grant(*Token, *Resource) error
+	Grant(*Token, *Service) error
 	// Verify a token can access a resource
-	Verify(*Token, *Resource) error
+	Verify(*Token, *Service) error
 }
 
-// Resource is some thing to provide access to
-type Resource struct {
+// Service is some thing to provide access to
+type Service struct {
 	// Name of the resource
 	Name string
+	// Endpoint is the specific endpoint 
+	Endpoint string
 }
 
 // Token providers by an auth provider