好的,我已经为我的.Net Core API添加了CORS策略,但是这些CORS策略在Identity Server 4端点上不起作用。 我有以下API,其中我尝试注册用户:
[EnableCors("AllowAllCorsPolicy")]
[Route("api/User")]
public class UserController : Controller
{
private readonly UserManager<ApplicationUser> _userManager;
private IUserServices _userService;
public UserController(UserManager<ApplicationUser> userManager, IUserServices userService)
{
_userManager = userManager;
_userService = userService;
}
[HttpPost]
public async Task<int> Post([FromBody]User userInfo)
{
var user = new ApplicationUser{ UserName = userInfo.Name, Email = userInfo.Email,
UserTypeId = Constant.User, CustomerId = userInfo.CustomerId };
//Follwing 3 lines give CORS issue.
await _userManager.AddToRoleAsync(user, Constant.User);
var userClaim = new Claim(Constant.User, user.Email.ToString(), ClaimValueTypes.Integer);
await _userManager.AddClaimAsync(user, userClaim);
// var userObj = _userService.AddNewUser(userInfo);
}
现在,如果我使用上述身份验证服务器方法(AddToRoleAsync()和AddClaimAsync()),我的客户端(运行在不同服务器上的angular应用程序)会出现CORS错误。
但是,如果我使用自定义方法注册用户,就不会出现CORS错误。
//Don't get CORS error when commented below
//await _userManager.AddToRoleAsync(user, Constant.User);
//var userClaim = new Claim(Constant.User, user.Email.ToString(), ClaimValueTypes.Integer);
//await _userManager.AddClaimAsync(user, userClaim);
//use custom method
var userObj = _userService.AddNewUser(userInfo);
为了在asp.net中启用CORS,我正在进行以下操作:在startup.cs中进行设置:
public void ConfigureServices(IServiceCollection services)
{
services.AddCors(options =>
{
options.AddPolicy("AllowAllCorsPolicy",
builder => builder.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
services.AddMvc();
}
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IServiceProvider serviceProvider)
{
app.UseCors("AllowAllCorsPolicy");
}
我甚至尝试在startup.cs中手动添加CORS头文件,但是没有成功:
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IServiceProvider serviceProvider)
{
app.Use(async (context, next) =>
{
if (context.Request.Method == "OPTIONS")
context.Response.StatusCode = (int)HttpStatusCode.OK;
var headers = context.Response.Headers;
if (headers.ContainsKey("Access-Control-Allow-Origin"))
{
headers["Access-Control-Allow-Origin"] = string.Join(",", context.Request.Headers["Referer"].Select(x => x.Substring(0, x.Length - 1)));
}
else
{
context.Response.Headers.Append("Access-Control-Allow-Origin", string.Join(",", context.Request.Headers["Referer"].Select(x => x.Substring(0, x.Length - 1))));
}
if (headers.ContainsKey("Access-Control-Allow-Headers"))
{
headers["Access-Control-Allow-Headers"] = "Origin, Content-Type, Accept, Client, Authorization, X-Auth-Token, X-Requested-With";
}
else
{
context.Response.Headers.Append("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Client, Authorization, X-Auth-Token, X-Requested-With");
}
if (headers.ContainsKey("Access-Control-Allow-Methods"))
{
headers["Access-Control-Allow-Credentials"] = "GET, POST, PATCH, PUT, DELETE, OPTIONS";
}
else
{
context.Response.Headers.Append("Access-Control-Allow-Methods", "GET, POST, PATCH, PUT, DELETE, OPTIONS");
}
if (headers.ContainsKey("Access-Control-Allow-Credentials"))
{
headers["Access-Control-Allow-Credentials"] = "true";
}
else
{
context.Response.Headers.Append("Access-Control-Allow-Credentials", "true");
}
context.Response.Headers.Append("Access-Control-Expose-Headers", "X-Auth-Token");
context.Response.Headers.Append("Vary", "Origin");
await next();
});
}
我看到了这份文档,它提供了关于IdentityServer CORS选项的信息,并且还有这篇CORS文档,但帮助不是很大。
app.UseIdentityServer
和services.AddIdentityServer
? - Dr Rob Lang