示例#1
0
        public static TokenModelJwt SerializeJwt(string jwtStr)
        {
            var jwthandler = new JwtSecurityTokenHandler();
            JwtSecurityToken jwtSecurityToken = jwthandler.ReadJwtToken(jwtStr);
            object           role;

            try
            {
                jwtSecurityToken.Payload.TryGetValue(ClaimTypes.Role, out role);
            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                throw;
            }
            var tm = new TokenModelJwt {
                Uid  = (jwtSecurityToken.Id).ObjToInt(),
                Role = role != null?role.ObjToString() : "",
            };

            return(tm);
        }
示例#2
0
        public static string IssueJwt(TokenModelJwt tokenModel)
        {
            string iss    = Appsettings.app(new string[] { "Audience", "Issuer" });
            string aud    = Appsettings.app(new string[] { "Audience", "Audience" });
            string secret = Appsettings.app(new string[] { "Audience", "Secret" });

            var claim = new List <Claim> {
                /*
                 * 特别重要:
                 * 1、这里将用户的部分信息,比如 uid 存到了Claim 中,如果你想知道如何在其他地方将这个 uid从 Token 中取出来,请看下边的SerializeJwt() 方法,或者在整个解决方案,搜索这个方法,看哪里使用了!
                 * 2、你也可以研究下 HttpContext.User.Claims ,具体的你可以看看 Policys/PermissionHandler.cs 类中是如何使用的。
                 */
                new Claim(JwtRegisteredClaimNames.Jti, tokenModel.Uid.ToString()),
                new Claim(JwtRegisteredClaimNames.Iat, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
                new Claim(JwtRegisteredClaimNames.Nbf, $"{new DateTimeOffset(DateTime.Now).ToUnixTimeSeconds()}"),
                //这个就是过期时间,目前是过期1000秒,可自定义,注意JWT有自己的缓冲过期时间
                new Claim(JwtRegisteredClaimNames.Exp, $"{new DateTimeOffset(DateTime.Now.AddSeconds(1000)).ToUnixTimeSeconds()}"),
                new Claim(JwtRegisteredClaimNames.Iss, iss),
                new Claim(JwtRegisteredClaimNames.Aud, aud),
                //new Claim(ClaimTypes.Role,tokenModel.Role),//为了解决一个用户多个角色(比如:Admin,System),用下边的方法
            };

            //可将有个用户的多个角色全部赋予
            claim.AddRange(tokenModel.Role.Split(',').Select(s => new Claim(ClaimTypes.Role, s)));
            //秘钥 (SymmetricSecurityKey 对安全性的要求,密钥的长度太短会报出异常)
            var key   = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));
            var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);

            var jwt = new JwtSecurityToken(
                issuer: iss,
                claims: claim,
                signingCredentials: creds
                );
            var jwtHandler = new JwtSecurityTokenHandler();
            var encodeJwt  = jwtHandler.WriteToken(jwt);

            return(encodeJwt);
        }