From a6737e7f233c43c8222faabca991d8c666837c05 Mon Sep 17 00:00:00 2001 From: Vidhu Kant Sharma Date: Sun, 4 Dec 2022 18:04:57 +0530 Subject: added (untested) auth mechanism --- auth/jwt_middleware.go | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 auth/jwt_middleware.go (limited to 'auth/jwt_middleware.go') diff --git a/auth/jwt_middleware.go b/auth/jwt_middleware.go new file mode 100644 index 0000000..22d1fd7 --- /dev/null +++ b/auth/jwt_middleware.go @@ -0,0 +1,65 @@ +/* OpenBills-server - Server for libre billing software OpenBills-web + * Copyright (C) 2022 Vidhu Kant Sharma + + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +package auth + +import ( + "net/http" + "github.com/golang-jwt/jwt/v4" + "github.com/gin-gonic/gin" +) + +func Authorize() gin.HandlerFunc { + return func(ctx *gin.Context) { + tokenHeader := ctx.Request.Header["Authorization"] + if tokenHeader != nil { + token, err := jwt.ParseWithClaims(tokenHeader[0], &jwt.StandardClaims{}, func(token *jwt.Token) (interface{}, error) { + return []byte(accessSecret), nil + }) + if err != nil { + ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "access token expired"}) + } else { + ctx.Set("userId", token.Claims.(*jwt.StandardClaims).Issuer) + ctx.Next() + } + } else { + // invalid Authorization header + ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "not logged in"}) + } + + } +} + +func verifyRefreshToken() gin.HandlerFunc { + return func(ctx *gin.Context) { + refreshToken, err := ctx.Cookie("refreshToken") + if err == nil { + token, err := jwt.ParseWithClaims(refreshToken, &jwt.StandardClaims{}, func(token *jwt.Token) (interface{}, error) { + return []byte(refreshSecret), nil + }) + if err != nil { + ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "refresh token expired"}) + } else { + ctx.Set("userId", token.Claims.(*jwt.StandardClaims).Issuer) + ctx.Next() + } + } else { + // invalid Authorization header + ctx.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"message": "not logged in"}) + } + } +} -- cgit v1.2.3