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Refactor auth setup to util/auth

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This commit is contained in:
Ben Toogood 2020-05-14 16:10:14 +01:00
parent b4c0224746
commit 6b451a2197
3 changed files with 91 additions and 73 deletions
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75
service.go
View File

@ -1,13 +1,11 @@
package micro
import (
"fmt"
"os"
"os/signal"
rtime "runtime"
"strings"
"sync"
"time"
"github.com/micro/go-micro/v2/auth"
"github.com/micro/go-micro/v2/client"
@ -19,6 +17,7 @@ import (
"github.com/micro/go-micro/v2/plugin"
"github.com/micro/go-micro/v2/server"
"github.com/micro/go-micro/v2/store"
authutil "github.com/micro/go-micro/v2/util/auth"
signalutil "github.com/micro/go-micro/v2/util/signal"
"github.com/micro/go-micro/v2/util/wrapper"
)
@ -177,7 +176,7 @@ func (s *service) Stop() error {
func (s *service) Run() error {
// generate an auth account
if err := s.generateAccount(); err != nil {
if err := authutil.Generate(s.Server().Options().Id, s.Name(), s.Options().Auth); err != nil {
return err
}
@ -224,73 +223,3 @@ func (s *service) Run() error {
return s.Stop()
}
func (s *service) generateAccount() error {
// extract the account creds from options, these can be set by flags
accID := s.Options().Auth.Options().ID
accSecret := s.Options().Auth.Options().Secret
// if no credentials were provided, generate an account
if len(accID) == 0 || len(accSecret) == 0 {
name := fmt.Sprintf("%v-%v", s.Name(), s.Server().Options().Id)
opts := []auth.GenerateOption{
auth.WithType("service"),
auth.WithRoles("service"),
auth.WithNamespace(s.Options().Auth.Options().Namespace),
}
acc, err := s.Options().Auth.Generate(name, opts...)
if err != nil {
return err
}
logger.Infof("Auth [%v] Authenticated as %v", s.Options().Auth, name)
accID = acc.ID
accSecret = acc.Secret
}
// generate the first token
token, err := s.Options().Auth.Token(
auth.WithCredentials(accID, accSecret),
auth.WithExpiry(time.Minute*10),
)
if err != nil {
return err
}
// set the credentials and token in auth options
s.Options().Auth.Init(
auth.ClientToken(token),
auth.Credentials(accID, accSecret),
)
// periodically check to see if the token needs refreshing
go func() {
timer := time.NewTicker(time.Second * 15)
for {
<-timer.C
// don't refresh the token if it's not close to expiring
tok := s.Options().Auth.Options().Token
if tok.Expiry.Unix() > time.Now().Add(time.Minute).Unix() {
continue
}
// generate the first token
tok, err := s.Options().Auth.Token(
auth.WithCredentials(accID, accSecret),
auth.WithExpiry(time.Minute*10),
)
if err != nil {
logger.Warnf("[Auth] Error refreshing token: %v", err)
continue
}
// set the token
s.Options().Auth.Init(auth.ClientToken(tok))
}
}()
return nil
}

81
util/auth/auth.go Normal file
View File

@ -0,0 +1,81 @@
package auth
import (
"fmt"
"time"
"github.com/micro/go-micro/v2/auth"
"github.com/micro/go-micro/v2/logger"
)
// Generate generates a service account for and continually
// refreshes the access token.
func Generate(id string, name string, a auth.Auth) error {
// extract the account creds from options, these can be set by flags
accID := a.Options().ID
accSecret := a.Options().Secret
// if no credentials were provided, generate an account
if len(accID) == 0 || len(accSecret) == 0 {
name := fmt.Sprintf("%v-%v", name, id)
opts := []auth.GenerateOption{
auth.WithType("service"),
auth.WithRoles("service"),
auth.WithNamespace(a.Options().Namespace),
}
acc, err := a.Generate(name, opts...)
if err != nil {
return err
}
logger.Infof("Auth [%v] Authenticated as %v in the %v namespace", a, name, acc.Namespace)
accID = acc.ID
accSecret = acc.Secret
}
// generate the first token
token, err := a.Token(
auth.WithCredentials(accID, accSecret),
auth.WithExpiry(time.Minute*10),
)
if err != nil {
return err
}
// set the credentials and token in auth options
a.Init(
auth.ClientToken(token),
auth.Credentials(accID, accSecret),
)
// periodically check to see if the token needs refreshing
go func() {
timer := time.NewTicker(time.Second * 15)
for {
<-timer.C
// don't refresh the token if it's not close to expiring
tok := a.Options().Token
if tok.Expiry.Unix() > time.Now().Add(time.Minute).Unix() {
continue
}
// generate the first token
tok, err := a.Token(
auth.WithCredentials(accID, accSecret),
auth.WithExpiry(time.Minute*10),
)
if err != nil {
logger.Warnf("[Auth] Error refreshing token: %v", err)
continue
}
// set the token
a.Init(auth.ClientToken(tok))
}
}()
return nil
}

8
web/service.go
View File

@ -17,6 +17,7 @@ import (
"github.com/micro/go-micro/v2/logger"
"github.com/micro/go-micro/v2/registry"
maddr "github.com/micro/go-micro/v2/util/addr"
authutil "github.com/micro/go-micro/v2/util/auth"
mhttp "github.com/micro/go-micro/v2/util/http"
mnet "github.com/micro/go-micro/v2/util/net"
signalutil "github.com/micro/go-micro/v2/util/signal"
@ -421,6 +422,13 @@ func (s *service) Init(opts ...Option) error {
}
func (s *service) Run() error {
// generate an auth account
srvID := s.opts.Service.Server().Options().Id
srvName := s.opts.Service.Name()
if err := authutil.Generate(srvID, srvName, s.opts.Service.Options().Auth); err != nil {
return err
}
if err := s.start(); err != nil {
return err
}