feat: be & fe example

example/README.md

@@ -0,0 +1,16 @@
+# 运行
+
+- backend
+
+```
+go mod tidy
+go run app.go
+```
+
+- frontend
+
+```
+npm install
+npm
+```
+

example/backend/app.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+
+	"github.com/BingyanStudio/oidc-cli/oidc"
+)
+
+var oidcCli = oidc.NewClient(
+	&oidc.Config{
+		ClientID:     "CLIENT_ID",
+		ClientSecret: "CLIENT_SECRET",
+		RedirectURL:  "http://localhost:3000/callback", // Frontend Callback URI
+	},
+)
+
+func UserTokenHandler(c echo.Context) error {
+	code := c.QueryParam("code")
+	tokens, err := oidcCli.RetrieveTokens(code)
+	if err != nil {
+		log.Printf("err: " + err.Error())
+		return c.String(http.StatusInternalServerError, "Internal Server Error")
+	}
+
+	log.Println(tokens)
+
+	// use the tokens & claims to further authorization
+
+	return c.JSON(http.StatusOK, tokens)
+}
+
+func main() {
+	e := echo.New()
+	e.Use(middleware.CORS())
+	e.GET("/user/token", UserTokenHandler)
+	e.Start(":8000")
+}