Asp.netCore3.1JWT认证Demo资源-CSDN下载

共238个文件

cs：38个

cache：26个

js：26个

Asp.netCore3.1

需积分: 1 121 浏览量 2022-12-27 17:14:31 上传评论收藏 4.1MB ZIP 举报

Asp.NET Core 3.1 JWT（JSON Web Token）认证是一种常见的身份验证机制，用于创建安全的、基于HTTP的应用程序。JWT允许服务器在发送访问令牌时进行身份验证，而不是每次请求时都验证用户凭据。这个Demo展示了如何在Asp.NET Core 3.1环境中实现JWT认证。 JWT的基本概念是至关重要的。JWT是一个自包含的、安全的身份验证令牌，由三部分组成：头部（Header）、载荷（Payload）和签名（Signature）。头部和载荷被编码成JSON对象，然后用Base64URL算法编码。签名部分通过将编码后的头部、编码后的载荷和一个密钥通过特定的哈希算法组合生成，用于验证令牌的完整性和来源。在Asp.NET Core 3.1中，实现JWT认证首先需要添加必要的依赖。在项目中，你需要通过NuGet安装`Microsoft.AspNetCore.Authentication.JwtBearer`包。这将提供处理JWT令牌的中间件。接下来，配置JWT认证涉及到以下步骤： 1. **配置服务**：在`Startup.cs`的`ConfigureServices`方法中，使用`AddAuthentication`方法注册认证服务，并指定JWTBearer作为默认方案。同时，你需要设置JWT的安全密钥（secret key）和相关的选项，如令牌过期时间。 ```csharp services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme) .AddJwtBearer(options => { options.TokenValidationParameters = new TokenValidationParameters { ValidateIssuer = true, ValidateAudience = true, ValidateLifetime = true, ValidateIssuerSigningKey = true, ValidIssuer = Configuration["Jwt:Issuer"], ValidAudience = Configuration["Jwt:Audience"], IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration["Jwt:Key"])) }; }); ``` 2. **配置中间件**：在`Configure`方法中，使用`UseAuthentication`和`UseAuthorization`中间件来启用认证和授权。 ```csharp app.UseAuthentication(); app.UseAuthorization(); ``` 3. **生成JWT**：在后端，当用户成功登录后，你需要创建一个JWT并返回给客户端。这通常在身份验证控制器的一个动作中完成。使用`JwtSecurityToken`类创建JWT，并通过`JwtSecurityTokenHandler`将其编码为字符串。 ```csharp var tokenDescriptor = new SecurityTokenDescriptor { Subject = new ClaimsIdentity(new Claim[] { new Claim(ClaimTypes.Name, user.Username), }), Expires = DateTime.UtcNow.AddDays(7), SigningCredentials = new SigningCredentials(new SymmetricSecurityKey(key), SecurityAlgorithms.HmacSha256Signature) }; var handler = new JwtSecurityTokenHandler(); var token = handler.CreateToken(tokenDescriptor); var jwt = handler.WriteToken(token); return Ok(new { token }); ``` 4. **验证JWT**：客户端在后续请求中通过`Authorization`头发送JWT。Asp.NET Core的JWTBearer中间件会自动处理验证，如果令牌有效，它将自动将用户身份信息添加到`HttpContext.User`。 5. **保护路由和API**：你可以使用 `[Authorize]` 属性来保护特定的控制器或动作，只有持有有效JWT的用户才能访问。在提供的JWTTest项目中，你可能会看到这些核心组件的实现，但可能还需要进一步封装和完善，例如错误处理、刷新令牌功能、更复杂的权限控制等。对于生产环境，确保正确存储和管理JWT的安全密钥，以及考虑使用HTTPS以增强安全性。 Asp.NET Core 3.1的JWT认证Demo是一个实用的起点，它展示了如何在现代Web应用中安全地处理用户身份验证。通过理解和扩展这个Demo，你可以创建更强大、更安全的认证系统。

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Asp.net Core 3.1 JWT 认证Demo （238个子文件）

jwttest.projects.v5.1 464KB

jwttest.metadata.v5.1 205KB

_IsIncrementalBuild 46B

JWTTest.csproj.BuildWithSkipAnalyzers 0B

JwtAuthDemo.csproj.BuildWithSkipAnalyzers 0B

JWTTest.TagHelpers.output.cache 336KB

JwtAuthDemo.TagHelpers.output.cache 336KB

JWTTest.csproj.AssemblyReference.cache 177KB

JwtAuthDemo.csproj.AssemblyReference.cache 175KB

JWTTest.assets.cache 20KB

JwtAuthDemo.assets.cache 20KB

project.nuget.cache 7KB

JWTTest.csproj.CoreCompileInputs.cache 42B

JWTTest.genruntimeconfig.cache 42B

JWTTest.RazorTargetAssemblyInfo.cache 42B

JWTTest.AssemblyInfoInputs.cache 42B

JWTTest.RazorAssemblyInfo.cache 42B

JWTTest.RazorCoreGenerate.cache 42B

JwtAuthDemo.RazorTargetAssemblyInfo.cache 42B

JwtAuthDemo.RazorAssemblyInfo.cache 42B

JwtAuthDemo.csproj.CoreCompileInputs.cache 42B

JwtAuthDemo.genruntimeconfig.cache 42B

JwtAuthDemo.AssemblyInfoInputs.cache 42B

JwtAuthDemo.RazorCoreGenerate.cache 42B

JWTTest.MvcApplicationPartsAssemblyInfo.cache 0B

JWTTest.StaticWebAssets.Manifest.cache 0B

JWTTest.TagHelpers.input.cache 0B

JwtAuthDemo.TagHelpers.input.cache 0B

JwtAuthDemo.StaticWebAssets.Manifest.cache 0B

JwtAuthDemo.MvcApplicationPartsAssemblyInfo.cache 0B

applicationhost.config 79KB

JWTTest.csproj.CopyComplete 0B

JwtAuthDemo.csproj.CopyComplete 0B

_Layout.cshtml.g.cs 26KB

_ValidationScriptsPartial.cshtml.g.cs 7KB

Index.cshtml.g.cs 7KB

Index.cshtml.g.cs 5KB

Error.cshtml.g.cs 4KB

Startup.cs 4KB

Privacy.cshtml.g.cs 3KB

Startup.cs 3KB

_ViewStart.cshtml.g.cs 3KB

_ViewImports.cshtml.g.cs 3KB

HomeController.cs 3KB

JwtAuthDemo.RazorTargetAssemblyInfo.cs 1KB

JWTTest.RazorTargetAssemblyInfo.cs 1KB

JwtAuthDemo.AssemblyInfo.cs 1016B

JWTTest.AssemblyInfo.cs 1004B

JwtConfig.cs 766B

JwtConfig.cs 762B

Program.cs 719B

Program.cs 715B

JwtAuthDemo.RazorAssemblyInfo.cs 619B

JWTTest.RazorAssemblyInfo.cs 615B

UserBLL.cs 513B

UserBLL.cs 395B

ErrorViewModel.cs 221B

ErrorViewModel.cs 217B

ReturnResult.cs 210B

.NETCoreApp,Version=v3.1.AssemblyAttributes.cs 190B

ReturnResult.cs 84B

TokenResultInfo.cs 81B

_Layout.cshtml 2KB

Index.cshtml 2KB

Error.cshtml 884B

Index.cshtml 478B

_ValidationScriptsPartial.cshtml 176B

Privacy.cshtml 144B

_ViewImports.cshtml 104B

_ViewImports.cshtml 96B

_ViewStart.cshtml 35B

JWTTest.csproj 280B

JwtAuthDemo.csproj 280B

bootstrap.css 198KB

bootstrap.min.css 152KB

bootstrap-grid.css 67KB

bootstrap-grid.min.css 47KB

bootstrap-reboot.css 5KB

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