Add permission middleware

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

middleware/jwt.go

@@ -14,14 +14,12 @@ func JWTAuth(required bool) gin.HandlerFunc {
 		authtoken := new(authtoken.Token)
 		uid, err := authtoken.HeaderVerify(auth)
 		if err != nil {
-			c.JSON(401, gin.H{"status": err.Error()})
-			c.Abort()
+			c.AbortWithStatusJSON(401, gin.H{"status": err.Error()})
 			return
 		}
 
 		if required == true && uid == "" {
-			c.JSON(401, gin.H{"status": "unauthorized"})
-			c.Abort()
+			c.AbortWithStatusJSON(401, gin.H{"status": "unauthorized"})
 			return
 		}