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); }
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); }