public JwtOutput GetJwtToken(JwtInput input)
{
string userName = input.UserName;
var claims = new[]
{
new Claim(ClaimTypes.Name, userName),
new Claim(ClaimTypes.Authentication, "Zero.Code")
};
//读取jwt 配置
var jwt = AppsettingHelper.Get <JwtToken>("JWT");
//获取密钥
var key = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwt.SecurityKey));
//生成凭证 ，根据密钥生成
var creds = new SigningCredentials(key, SecurityAlgorithms.HmacSha256);
var time = DateTime.Today.AddDays(jwt.Time);
//写入token配置
var token = new JwtSecurityToken(
issuer: jwt.ValidIssuer,
audience: jwt.ValidAudience,
claims: claims,
notBefore: DateTime.Now,
expires: time,
signingCredentials: creds
);
//生成 token
string access_token = new JwtSecurityTokenHandler().WriteToken(token);
return(new JwtOutput(access_token, userName, TimeSpan.FromDays(jwt.Time)));
}
public void OnActionExecuting(ActionExecutingContext context)
{
int time = AppsettingHelper.Get <int>("IpLimit", "WihtinTime");
int count = AppsettingHelper.Get <int>("IpLimit", "LimitCount");
//获取此次的ip请求
string ipAddress = context.HttpContext.Connection.RemoteIpAddress?.ToString();
if (!string.IsNullOrEmpty(ipAddress))
{
var value = RedisHelper.StringGet <int>(ipAddress);
if (value == 0)
{
RedisHelper.StringSet(ipAddress, 1, TimeSpan.FromSeconds(time));
}
else
{
value++;
RedisHelper.StringSet(ipAddress, value, TimeSpan.FromSeconds(time));
if (value >= count)
{
context.Result = AjaxHelper.Seed(Ajax.Bad, "ip limit (every ip has 10 limit)");
}
}
}
}
public async Task Invoke(HttpContext httpContext)
{
int time = AppsettingHelper.Get <int>("IpLimit", "WihtinTime");
int count = AppsettingHelper.Get <int>("IpLimit", "LimitCount");
//获取此次的ip请求
string ipAddress = httpContext.Connection.RemoteIpAddress?.ToString();
if (!string.IsNullOrEmpty(ipAddress))
{
var value = await RedisHelper.StringGetAsync <int>(ipAddress);
if (value == 0)
{
await RedisHelper.StringSetAsync(ipAddress, 1, TimeSpan.FromSeconds(time));
}
else
{
value++;
await RedisHelper.StringSetAsync(ipAddress, value, TimeSpan.FromSeconds(time));
if (value >= count)
{
throw new Exception("ip limit (every ip has 10 limit)");
}
}
}
await _next(httpContext);
}
protected override void OnConfiguring(DbContextOptionsBuilder optionBuilder)
{
base.OnConfiguring(optionBuilder);
var open = AppsettingHelper.Get <bool>("EFCoreLog");
if (open)
{
optionBuilder.UseLoggerFactory(MyLoggerFactory);
}
}
public static IServiceCollection AddEfDbContext(this IServiceCollection services)
{
var conStr = AppsettingHelper.Get("DataConnection", "SqlServer");
services.AddDbContext <EfCoreDbContext>(option =>
{
option.UseSqlServer(conStr);
});
//services.AddScoped<EfCoreDbContext>();
return(services);
}
public static IServiceCollection AddJwtToken(this IServiceCollection services)
{
//使用jwt 定义的规则，禁用.net core
//JwtSecurityTokenHandler.DefaultOutboundClaimTypeMap.Clear();
var jwt = AppsettingHelper.Get <JwtToken>("JWT");
if (jwt == null)
{
Console.WriteLine("appsetting.json文件没有 JWT相关配置，请检查！");
return(services);
}
if (string.IsNullOrEmpty(jwt.ValidAudience) ||
string.IsNullOrEmpty(jwt.ValidIssuer) ||
string.IsNullOrEmpty(jwt.SecurityKey))
{
Console.WriteLine("Jwt配置错误错误，请检查appsetting.json文件！");
return(services);
}
//添加jwt验证：
services.AddAuthentication(option =>
{
option.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
option.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
}).AddJwtBearer(options =>
{
options.TokenValidationParameters = new TokenValidationParameters
{
ValidateIssuer = true, //是否验证Issuer
ValidateAudience = true, //是否验证Audience
ValidateLifetime = true, //是否验证失效时间
RequireExpirationTime = true, //必须具有“过期”值。
ValidateIssuerSigningKey = true, //是否验证SecurityKey
ClockSkew = TimeSpan.FromDays(jwt.Time), //设置时间
ValidAudience = jwt.ValidAudience, //Audience
ValidIssuer = jwt.ValidIssuer, //Issuer，这两项和前面签发jwt的设置一致
IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(jwt.SecurityKey)) //拿到SecurityKey
};
});
//swagger 替换 core 内置 system.text.json
services.AddSwaggerGenNewtonsoftSupport();
return(services);
}
public static IServiceCollection AddEfDbContext(this IServiceCollection services)
{
string dbType = AppsettingHelper.Get("DataConnection", "DbType");
var conStr = AppsettingHelper.Get("DataConnection", dbType);
services.AddDbContext <EfCoreDbContext>(option =>
{
if (dbType == "SqlServer")
{
option.UseSqlServer(conStr);
}
else
{
option.UseMySQL(conStr);
}
});
//services.AddScoped<EfCoreDbContext>();
return(services);
}
public static IServiceCollection AddSwaggerDocs(this IServiceCollection services)
{
services.AddSwaggerGen(i =>
{
i.SwaggerDoc("v1", new OpenApiInfo
{
Version = "v1",
Title = "Zero.Core.WebApi Docs",
Description = "WebApi",
TermsOfService = new Uri("https://www.baidu.com"),
Contact = new OpenApiContact {
Name = "Zero", Email = "*****@*****.**"
}, //联系我
License = new OpenApiLicense {
Name = "博客园", Url = new Uri("https://www.cnblogs.com/aqgy12138/")
} //许可
});
//排序规则
i.OrderActionsBy((apiDesc) => $"{apiDesc.ActionDescriptor.RouteValues["controller"]}_{apiDesc.HttpMethod}");
//i.ResolveConflictingActions(o => o.First());//控制器允许同名重载方法
i.EnableAnnotations();//注释
// 开启加权小锁
i.OperationFilter <AddResponseHeadersFilter>();
i.OperationFilter <AppendAuthorizeToSummaryOperationFilter>();
#region Tip2 二选一
// 在header中添加token，传递到后台
i.OperationFilter <SecurityRequirementsOperationFilter>();
#endregion
// 添加Header验证消息
i.AddSecurityDefinition("oauth2", new OpenApiSecurityScheme()
{
Description = "在下框中输入请求头中需要添加Jwt授权Token(注意Bearer和Token之间的空格)：Bearer Token",
Name = "Authorization",
In = ParameterLocation.Header,
Type = SecuritySchemeType.ApiKey,
});
#region Tip2 二选一
//i.AddSecurityRequirement(new OpenApiSecurityRequirement
//{
// {
// new OpenApiSecurityScheme
// {
// Reference = new OpenApiReference {
// Type = ReferenceType.SecurityScheme,
// Id = "Bearer"
// }
// },
// new string[] { }
// }
//});
#endregion
//设置swagger备注
var basePath = AppDomain.CurrentDomain.BaseDirectory;
var xmls = AppsettingHelper.Get <string[]>("SwaggerXml");
for (int x = 0; x < xmls.Length; x++)
{
var xmlPath = Path.Combine(basePath, xmls[x]);
i.IncludeXmlComments(xmlPath);//文档中文提示
}
});
services.AddSwaggerGenNewtonsoftSupport();
return(services);
}