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247 lines
11 KiB
C#
247 lines
11 KiB
C#
/***********************************************************************
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* Project: CoreCms
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* ProjectName: 核心内容管理系统
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* Web: https://www.corecms.net
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* Author: 大灰灰
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* Email: jianweie@163.com
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* CreateTime: 2021/1/31 21:45:10
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* Description: 暂无
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***********************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IdentityModel.Tokens.Jwt;
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using System.Linq;
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using System.Security.Claims;
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using System.Text;
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using System.Threading.Tasks;
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using CoreCms.Net.Auth.Policys;
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using CoreCms.Net.Configuration;
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using CoreCms.Net.Utility.Extensions;
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using Microsoft.AspNetCore.Authentication;
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using Microsoft.AspNetCore.Authentication.JwtBearer;
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using Microsoft.AspNetCore.Authorization;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.IdentityModel.Tokens;
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namespace CoreCms.Net.Auth
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{
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/// <summary>
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/// Db 启动服务
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/// </summary>
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public static class AuthorizationSetup
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{
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/// <summary>
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/// 后台管理员jwt初始化设置
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/// </summary>
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/// <param name="services"></param>
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public static void AddAuthorizationSetupForAdmin(this IServiceCollection services)
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{
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if (services == null) throw new ArgumentNullException(nameof(services));
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#region 参数
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//读取配置文件
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var symmetricKeyAsBase64 = AppSettingsConstVars.JwtConfigSecretKey;
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var keyByteArray = Encoding.ASCII.GetBytes(symmetricKeyAsBase64);
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var signingKey = new SymmetricSecurityKey(keyByteArray);
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var issuer = AppSettingsConstVars.JwtConfigIssuer;
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var audience = AppSettingsConstVars.JwtConfigAudience;
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var signingCredentials = new SigningCredentials(signingKey, SecurityAlgorithms.HmacSha256);
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// 如果要数据库动态绑定，这里先留个空，后边处理器里动态赋值
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var permission = new List<PermissionItem>();
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// 角色与接口的权限要求参数
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var permissionRequirement = new PermissionRequirement(
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"/api/denied",// 拒绝授权的跳转地址（目前无用）
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permission,
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ClaimTypes.Role,//基于角色的授权
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issuer,//发行人
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audience,//听众
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signingCredentials,//签名凭据
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expiration: TimeSpan.FromSeconds(60 * 60 * 24)//接口的过期时间
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);
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#endregion
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// 复杂的策略授权
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services.AddAuthorization(options =>
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{
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options.AddPolicy(Permissions.Name,
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policy => policy.Requirements.Add(permissionRequirement));
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});
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// 令牌验证参数
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var tokenValidationParameters = new TokenValidationParameters
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{
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ValidateIssuerSigningKey = true, //是否验证SecurityKey
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IssuerSigningKey = signingKey, //拿到SecurityKey
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ValidateIssuer = true, //是否验证Issuer
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ValidIssuer = issuer,//发行人 //Issuer，这两项和前面签发jwt的设置一致
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ValidateAudience = true, //是否验证Audience
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ValidAudience = audience,//订阅人
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ValidateLifetime = true,//是否验证失效时间
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ClockSkew = TimeSpan.FromSeconds(60),
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RequireExpirationTime = true,
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};
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// core自带官方JWT认证，开启Bearer认证
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services.AddAuthentication(o =>
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{
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o.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
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o.DefaultChallengeScheme = nameof(ApiResponseForAdminHandler);
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o.DefaultForbidScheme = nameof(ApiResponseForAdminHandler);
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})
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// 添加JwtBearer服务
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.AddJwtBearer(o =>
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{
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o.TokenValidationParameters = tokenValidationParameters;
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o.Events = new JwtBearerEvents
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{
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OnChallenge = context =>
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{
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context.Response.Headers.Add("Token-Error", context.ErrorDescription);
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return Task.CompletedTask;
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},
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OnAuthenticationFailed = context =>
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{
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var token = context.Request.Headers["Authorization"].ObjectToString().Replace("Bearer ", "");
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var jwtToken = (new JwtSecurityTokenHandler()).ReadJwtToken(token);
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if (jwtToken.Issuer != issuer)
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{
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context.Response.Headers.Add("Token-Error-Iss", "issuer is wrong!");
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}
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if (jwtToken.Audiences.FirstOrDefault() != audience)
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{
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context.Response.Headers.Add("Token-Error-Aud", "Audience is wrong!");
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}
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// 如果过期，则把<是否过期>添加到，返回头信息中
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if (context.Exception.GetType() == typeof(SecurityTokenExpiredException))
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{
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context.Response.Headers.Add("Token-Expired", "true");
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}
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return Task.CompletedTask;
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}
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};
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})
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.AddScheme<AuthenticationSchemeOptions, ApiResponseForAdminHandler>(nameof(ApiResponseForAdminHandler), o => { });
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// 注入权限处理器
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services.AddScoped<IAuthorizationHandler, PermissionForAdminHandler>();
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services.AddSingleton(permissionRequirement);
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}
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/// <summary>
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/// 前端客户jwt初始化设置
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/// </summary>
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/// <param name="services"></param>
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public static void AddAuthorizationSetupForClient(this IServiceCollection services)
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{
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if (services == null) throw new ArgumentNullException(nameof(services));
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#region 参数
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//读取配置文件
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var symmetricKeyAsBase64 = AppSettingsConstVars.JwtConfigSecretKey;
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var keyByteArray = Encoding.ASCII.GetBytes(symmetricKeyAsBase64);
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var signingKey = new SymmetricSecurityKey(keyByteArray);
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var issuer = AppSettingsConstVars.JwtConfigIssuer;
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var audience = AppSettingsConstVars.JwtConfigAudience;
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var signingCredentials = new SigningCredentials(signingKey, SecurityAlgorithms.HmacSha256);
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// 如果要数据库动态绑定，这里先留个空，后边处理器里动态赋值
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var permission = new List<PermissionItem>();
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// 角色与接口的权限要求参数
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var permissionRequirement = new PermissionRequirement(
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"/api/denied",// 拒绝授权的跳转地址（目前无用）
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permission,
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ClaimTypes.Role,//基于角色的授权
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issuer,//发行人
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audience,//听众
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signingCredentials,//签名凭据
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expiration: TimeSpan.FromSeconds(60 * 60 * 24)//接口的过期时间
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);
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#endregion
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// 复杂的策略授权
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services.AddAuthorization(options =>
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{
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options.AddPolicy(Permissions.Name, policy => policy.Requirements.Add(permissionRequirement));
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});
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// 令牌验证参数
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var tokenValidationParameters = new TokenValidationParameters
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{
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ValidateIssuerSigningKey = true, //是否验证SecurityKey
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IssuerSigningKey = signingKey, //拿到SecurityKey
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ValidateIssuer = true, //是否验证Issuer
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ValidIssuer = issuer,//发行人
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ValidateAudience = true, //是否验证Audience
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ValidAudience = audience,//订阅人
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ValidateLifetime = true, //是否验证失效时间
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ClockSkew = TimeSpan.FromSeconds(60),
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RequireExpirationTime = true,
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};
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// core自带官方JWT认证，开启Bearer认证
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services.AddAuthentication(o =>
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{
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o.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
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o.DefaultChallengeScheme = nameof(ApiResponseForClientHandler);
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o.DefaultForbidScheme = nameof(ApiResponseForClientHandler);
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})
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// 添加JwtBearer服务
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.AddJwtBearer(o =>
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{
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o.TokenValidationParameters = tokenValidationParameters;
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o.Events = new JwtBearerEvents
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{
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OnChallenge = context =>
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{
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context.Response.Headers.Add("Token-Error", context.ErrorDescription);
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return Task.CompletedTask;
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},
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OnAuthenticationFailed = context =>
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{
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var token = context.Request.Headers["Authorization"].ObjectToString().Replace("Bearer ", "");
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var jwtToken = (new JwtSecurityTokenHandler()).ReadJwtToken(token);
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if (jwtToken.Issuer != issuer)
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{
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context.Response.Headers.Add("Token-Error-Iss", "issuer is wrong!");
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}
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if (jwtToken.Audiences.FirstOrDefault() != audience)
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{
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context.Response.Headers.Add("Token-Error-Aud", "Audience is wrong!");
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}
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// 如果过期，则把<是否过期>添加到，返回头信息中
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if (context.Exception.GetType() == typeof(SecurityTokenExpiredException))
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{
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context.Response.Headers.Add("Token-Expired", "true");
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}
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return Task.CompletedTask;
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}
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};
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})
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.AddScheme<AuthenticationSchemeOptions, ApiResponseForClientHandler>(nameof(ApiResponseForClientHandler), o => { });
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// 注入权限处理器
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services.AddScoped<IAuthorizationHandler, PermissionForClientHandler>();
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services.AddSingleton(permissionRequirement);
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}
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}
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}
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