Add example with /try

Author: LyricTian

example/README.md

@@ -22,4 +22,26 @@ $ ./client
 
 ## Open the browser
 
-[http://localhost:9094](http://localhost:9094)
+[http://localhost:9094](http://localhost:9094)
+
+```
+{
+  "access_token": "GIGXO8XWPQSAUGOYQGTV8Q",
+  "token_type": "Bearer",
+  "refresh_token": "5FBLXQ47XJ2MGTY8YRZQ8W",
+  "expiry": "2019-01-08T01:53:45.868194+08:00"
+}
+```
+
+
+## Try access token
+
+Open the browser [http://localhost:9094/try](http://localhost:9094/try)
+
+```
+{
+  "client_id": "222222",
+  "expires_in": 7195,
+  "user_id": "000000"
+}
+```

example/client/client.go

@@ -3,23 +3,30 @@ package main
 import (
 	"context"
 	"encoding/json"
+	"fmt"
+	"io"
 	"log"
 	"net/http"
 
 	"golang.org/x/oauth2"
 )
 
+const (
+	authServerURL = "http://localhost:9096"
+)
+
 var (
 	config = oauth2.Config{
 		ClientID:     "222222",
 		ClientSecret: "22222222",
 		Scopes:       []string{"all"},
 		RedirectURL:  "http://localhost:9094/oauth2",
 		Endpoint: oauth2.Endpoint{
-			AuthURL:  "http://localhost:9096/authorize",
-			TokenURL: "http://localhost:9096/token",
+			AuthURL:  authServerURL + "/authorize",
+			TokenURL: authServerURL + "/token",
 		},
 	}
+	globalToken *oauth2.Token // Non-concurrent security
 )
 
 func main() {
@@ -45,9 +52,27 @@ func main() {
 			http.Error(w, err.Error(), http.StatusInternalServerError)
 			return
 		}
+		globalToken = token
+
 		e := json.NewEncoder(w)
 		e.SetIndent("", "  ")
-		e.Encode(*token)
+		e.Encode(token)
+	})
+
+	http.HandleFunc("/try", func(w http.ResponseWriter, r *http.Request) {
+		if globalToken == nil {
+			http.Redirect(w, r, "/", http.StatusFound)
+			return
+		}
+
+		resp, err := http.Get(fmt.Sprintf("%s/test?access_token=%s", authServerURL, globalToken.AccessToken))
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+		defer resp.Body.Close()
+
+		io.Copy(w, resp.Body)
 	})
 
 	log.Println("Client is running at 9094 port.")

example/server/server.go

@@ -1,10 +1,12 @@
 package main
 
 import (
+	"encoding/json"
 	"log"
 	"net/http"
 	"net/url"
 	"os"
+	"time"
 
 	"github.com/go-session/session"
 	"gopkg.in/oauth2.v3/errors"
@@ -16,6 +18,8 @@ import (
 
 func main() {
 	manager := manage.NewDefaultManager()
+	manager.SetAuthorizeCodeTokenCfg(manage.DefaultAuthorizeCodeTokenCfg)
+
 	// token store
 	manager.MustTokenStorage(store.NewMemoryTokenStore())
 
@@ -71,6 +75,23 @@ func main() {
 		}
 	})
 
+	http.HandleFunc("/test", func(w http.ResponseWriter, r *http.Request) {
+		token, err := srv.ValidationBearerToken(r)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		}
+
+		data := map[string]interface{}{
+			"expires_in": int64(token.GetAccessCreateAt().Add(token.GetAccessExpiresIn()).Sub(time.Now()).Seconds()),
+			"client_id":  token.GetClientID(),
+			"user_id":    token.GetUserID(),
+		}
+		e := json.NewEncoder(w)
+		e.SetIndent("", "  ")
+		e.Encode(data)
+	})
+
 	log.Println("Server is running at 9096 port.")
 	log.Fatal(http.ListenAndServe(":9096", nil))
 }