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core Webapi jwt 认证

news 2025/7/12 8:28:33

core cookie 验证

Web API Jwt

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》》》》用户信息

namespace WebAPI001.Coms
{public class Account{public string UserName { get; set; }public string UserPassword { get; set; }public string UserRole { get; set; }}
}

》》》获取jwt类

using Microsoft.AspNetCore.Mvc;
using Microsoft.IdentityModel.Tokens;
using System.IdentityModel.Tokens.Jwt;
using System.Runtime.CompilerServices;
using System.Security.Claims;
using System.Text;namespace WebAPI001.Coms
{public  class JwtHelper{      public static string GenerateJWT(Account user, IConfiguration _configuration){           byte[] keyBytes = Encoding.UTF8.GetBytes(_configuration?.GetValue<string>("TokenParameter:Secret"));var securityKey = new SymmetricSecurityKey(keyBytes);// 创建JWT的签名凭证var signingCredentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);// 设置JWT的Claimsvar claims = new[]{new Claim(ClaimTypes.Name, user.UserName),new Claim(ClaimTypes.Role, user.UserRole),// 添加其他需要的声明};// 创建JWT的Tokenvar token = new JwtSecurityToken(issuer: _configuration.GetValue<string>("TokenParameter:Issuer"),audience: _configuration.GetValue<string>("TokenParameter:Audience"),claims: claims,expires: DateTime.Now.AddMinutes(_configuration.GetValue<int>("TokenParameter:AccessExpiration")),signingCredentials: signingCredentials);// 生成JWT字符串var jwtToken = new JwtSecurityTokenHandler().WriteToken(token);return jwtToken;}}
}

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// Core 自带官方 JWT认证
// 开启Bearer 认证builder.Services.AddAuthentication(options =>{// 设置默认的身份验证和挑战方案为 JwtBeareroptions.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;}) // 配置 JWT Bearer 选项.AddJwtBearer(options =>{// 配置 Token 验证参数options.TokenValidationParameters = new TokenValidationParameters{// 验证发行者ValidateIssuer = true,// 验证受众ValidateAudience = true,// 验证令牌有效期ValidateLifetime = true,// 验证签名密钥ValidateIssuerSigningKey = true,// 发行者ValidIssuer = builder.Configuration["TokenParameter:Issuer"],// 受众ValidAudience = builder.Configuration["JokenParameter:Audience"],// 签名密钥IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(builder.Configuration["TokenParameter:Secret"])),AudienceValidator = (m, n, z) => {//自定义验证逻辑return true;}};options.Events = new JwtBearerEvents{OnAuthenticationFailed = context =>{// 如果过期，则把 是否过期 添加到  ， 返回头信息中if (context.Exception.GetType() == typeof(SecurityTokenExpiredException)){context.Response.Headers.Add("Token-Expired", "true");}return Task.CompletedTask;}//OnForbidden//OnChallenge//OnMessageReceived//OnTokenValidated};});