Using Gin framework implementation OAuth 2.0 services
$ go get -u github.com/go-oauth2/gin-serverpackage main import ( "net/http" "github.com/gin-gonic/gin" "github.com/go-oauth2/gin-server" "github.com/go-oauth2/oauth2/v4/manage" "github.com/go-oauth2/oauth2/v4/models" "github.com/go-oauth2/oauth2/v4/server" "github.com/go-oauth2/oauth2/v4/store" ) func main() { manager := manage.NewDefaultManager() // token store manager.MustTokenStorage(store.NewFileTokenStore("data.db")) // client store clientStore := store.NewClientStore() clientStore.Set("000000", &models.Client{ ID: "000000", Secret: "999999", Domain: "http://localhost", }) manager.MapClientStorage(clientStore) // Initialize the oauth2 service ginserver.InitServer(manager) ginserver.SetAllowGetAccessRequest(true) ginserver.SetClientInfoHandler(server.ClientFormHandler) g := gin.Default() auth := g.Group("/oauth2") { auth.GET("/token", ginserver.HandleTokenRequest) } api := g.Group("/api") { api.Use(ginserver.HandleTokenVerify()) api.GET("/test", func(c *gin.Context) { ti, exists := c.Get(ginserver.DefaultConfig.TokenKey) if exists { c.JSON(http.StatusOK, ti) return } c.String(http.StatusOK, "not found") }) } g.Run(":9096") }$ go build server.go $ ./serverhttp://localhost:9096/oauth2/token?grant_type=client_credentials&client_id=000000&client_secret=999999&scope=read { "access_token": "AJPNSQO2PCITABYX0RFLWG", "expires_in": 7200, "scope": "read", "token_type": "Bearer" }http://localhost:9096/api/test?access_token=AJPNSQO2PCITABYX0RFLWG { "ClientID": "000000", "UserID": "", "RedirectURI": "", "Scope": "read", "Code": "", "CodeCreateAt": "0001-01-01T00:00:00Z", "CodeExpiresIn": 0, "Access": "AJPNSQO2PCITABYX0RFLWG", "AccessCreateAt": "2016-11-29T09:00:52.617250916+08:00", "AccessExpiresIn": 7200000000000, "Refresh": "", "RefreshCreateAt": "0001-01-01T00:00:00Z", "RefreshExpiresIn": 0 }Copyright (c) 2016 Lyric