using Newtonsoft.Json.Linq;
namespace Core.Util
{
public static class JWTHelper
{
private static readonly string _headerBase64Url = "{\"alg\":\"HS256\",\"typ\":\"JWT\"}".Base64UrlEncode();
public static readonly string JWTSecret = ConfigHelper.GetValue("JWTSecret");
/// <summary>
/// 生成Token
/// </summary>
/// <param name="payloadJsonStr">数据JSON字符串</param>
/// <param name="secret">密钥</param>
/// <returns></returns>
public static string GetToken(string payloadJsonStr, string secret)
{
string payloadBase64Url = payloadJsonStr.Base64UrlEncode();
string sign = $"{_headerBase64Url}.{payloadBase64Url}".ToHMACSHA256String(secret);
return $"{_headerBase64Url}.{payloadBase64Url}.{sign}";
}
/// <summary>
/// 获取Token中的数据
/// </summary>
/// <param name="token">token</param>
/// <returns></returns>
public static JObject GetPayload(string token)
{
return token.Split('.')[1].Base64UrlDecode().ToJObject();
}
/// <summary>
/// 获取Token中的数据
/// </summary>
/// <typeparam name="T">泛型</typeparam>
/// <param name="token">token</param>
/// <returns></returns>
public static T GetPayload<T>(string token)
{
if (token.IsNullOrEmpty())
return default;
return token.Split('.')[1].Base64UrlDecode().ToObject<T>();
}
/// <summary>
/// 校验Token
/// </summary>
/// <param name="token">token</param>
/// <param name="secret">密钥</param>
/// <returns></returns>
public static bool CheckToken(string token, string secret)
{
var items = token.Split('.');
var oldSign = items[2];
string newSign = $"{items[0]}.{items[1]}".ToHMACSHA256String(secret);
return oldSign == newSign;
}
}
}
(精华)2020年6月26日 C#类库 JWT帮助类
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转载自blog.csdn.net/aa2528877987/article/details/106969660
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