/// <summary>
/// 解析token
/// <para>作 者：蔡亚康</para>
/// <para>创建时间：2019-03-06</para>
/// </summary>
/// <param name="publicKey">公钥</param>
/// <param name="token">要解析的token的值</param>
/// <returns></returns>
private List <Claim> Decode(string publicKey, string token)
{
List <Claim> claims = new List <Claim>();
using (RSA rsa = RSAKeyHelper.CreateRsaProviderFromPublicKey(publicKey))
{
JwtSecurityTokenHandler handler = new JwtSecurityTokenHandler();
TokenValidationParameters validParam = new TokenValidationParameters()
{
IssuerSigningKey = new RsaSecurityKey(rsa),
ValidateIssuer = false, //不验证颁布者
ValidateAudience = false, //不验证使用者
ValidateLifetime = true,
};
try
{
SecurityToken jwtSecurityToken = null;
handler.ValidateToken(token, validParam, out jwtSecurityToken);
JwtSecurityToken jwtSecurityToken2 = jwtSecurityToken as JwtSecurityToken;
if (jwtSecurityToken2 != null)
{
claims.AddRange(jwtSecurityToken2.Claims);
}
else
{
LogWriter.Write("JwtTokenService.Decode", "TOKEN解析发生错误,可能是密钥不正确", LoggerType.Error);
}
}
catch (SecurityTokenDecryptionFailedException ex)
{
LogWriter.Write("JwtTokenService.Decode", "TOKEN解析发生错误", LoggerType.Error);
}
catch (SecurityTokenInvalidSignatureException ex)
{
//签名校验失败
LogWriter.Write("JwtTokenService.Decode", "签名校验失败", LoggerType.Error);
}
catch (SecurityTokenExpiredException ex)
{
//Token过期,status=-9
LogWriter.Write("JwtTokenService.Decode", "Token过期", LoggerType.Error);
}
catch (Exception ex)
{
//其他异常
LogWriter.Write("JwtTokenService.Decode", ex.Message, LoggerType.Error);
}
return(claims);
}
}
/// <summary>
/// 创建token
/// <para>作 者：蔡亚康</para>
/// <para>创建时间：2019-03-06</para>
/// </summary>
/// <param name="user">登陆的用户实体信息</param>
/// <returns>token值</returns>
internal String CreateToken(TblHssPassport user)
{
string privateKey = ClientConfigManager.HssConfig.TokenKey.PrivateKey; //使用私钥加密
int tokenTimestamp = ClientConfigManager.HssConfig.TokenTimestamp;
RSA rsa = RSAKeyHelper.CreateRsaProviderFromPrivateKey(privateKey);
//Claims(Payload)
// Claims 部分包含了一些跟这个 token 有关的重要信息。 JWT 标准规定了一些字段，下面节选一些字段:
//iss: The issuer of the token，token 是给谁的
// sub: The subject of the token，token 主题
// exp: Expiration Time。 token 过期时间，Unix 时间戳格式
// iat: Issued At。 token 创建时间， Unix 时间戳格式
// jti: JWT ID。针对当前 token 的唯一标识
// 除了规定的字段外，可以包含其他任何 JSON 兼容的字段。
var key = new RsaSecurityKey(rsa);
var creds = new SigningCredentials(key, SecurityAlgorithms.RsaSha256);
List <Claim> claims = new List <Claim>();
claims.Add(new Claim(JwtUserId, user.PassporId.ToString()));
claims.Add(new Claim(JwtUserName, user.UserCode));
claims.Add(new Claim(JwtOpenId, user.OpenId));
JwtSecurityToken jwtSecurityToken = new JwtSecurityToken(
issuer: ISSUER,
audience: AUDIENCE,
claims: claims,
expires: DateTime.Now.AddHours(tokenTimestamp),
signingCredentials: creds);
string token = new JwtSecurityTokenHandler().WriteToken(jwtSecurityToken);
return(token);
}
