Add oauth2 like auth service

Signed-off-by: Asai Neko <sugar@sne.moe>

service/auth/handler.go

@@ -1,9 +1,13 @@
 package auth
 
-import "github.com/gin-gonic/gin"
+import (
+	"nixcn-cms/middleware"
+
+	"github.com/gin-gonic/gin"
+)
 
 func Handler(r *gin.RouterGroup) {
-	r.GET("/redirect", Redirect)
+	r.GET("/redirect", Redirect, middleware.JWTAuth(false))
 	r.POST("/magic", Magic)
 	r.POST("/refresh", Refresh)
 	r.POST("/token", Token)