当我用客户端发出HTTP GET请求时,我的ASP.NET CORE中的WebApi存在CORS问题,我会遇到此错误:
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://service.staging.domain.com/application-api-staging/account. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing).
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://service.staging.domain.com/application-api-staging/account. (Reason: CORS request did not succeed
https://service.staging.domain.com/application-api-staging
是我的WebAPI基础
https://client.staging.domain.com
用于我的网络客户端。
当我检查Firefox控制台时,下面有一个请求和响应标头:
响应头
HTTP/1.1 401 Unauthorized
Server: nginx/1.10.3
Date: Fri, 10 Apr 2020 14:55:31 GMT
Content-Type: application/json; charset=utf-8
Content-Length: 61
Connection: keep-alive
X-DNS-Prefetch-Control: off
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=15552000; includeSubDomains
X-Download-Options: noopen
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
ETag: W/"3d-nALmWVEo7YlT78MufcqgeUavvX4"
请求标头
Host: service.staging.domain.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:75.0) Gecko/20100101 Firefox/75.0
Accept: */*
Accept-Language: fr-FR,fr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate, br
Access-Control-Request-Method: GET
Access-Control-Request-Headers: authorization,content-type,tenant
Referer: https://client.staging.domain.com/application/
Origin: https://client.staging.domain.com
Connection: keep-alive
在我的webAPi startup.cs中,我配置了CORS: startup.cs
readonly string MyAllowSpecificOrigins = "_myAllowSpecificOrigins";
services.AddCors(options => {
options.AddPolicy(MyAllowSpecificOrigins,
builder => {
builder
.AllowAnyOrigin()
.AllowAnyHeader()
.AllowAnyMethod();
});
});
app.UseCors(MyAllowSpecificOrigins)
在我的控制器中。
accountController.cs
[EnableCors("_myAllowSpecificOrigins")]
当我在本地使用客户端Web和WebAPI进行测试时, 客户网站-> http://localhost:4200 WebApi-> https://localhost:44354 在这种情况下,我可以发出请求,没问题...它可以正常工作
,但在第二种情况下: 客户网站-> http://localhost:4200 WebApi-> https://service.staging.domain.com/application-api-staging 在这种情况下,我遇到了CORS问题,无法正常工作
在第三种情况下与Web客户端和WebApi部署相同 客户网站-> https://client.staging.domain.com/application/ WebApi-> https://service.staging.domain.com/application-api-staging 同样,我遇到了CORS问题,无法正常工作
从我的问题开头就可以看到相同的错误消息。
为什么我在URL登台阶段出现错误CORS?和/或我可以解决这个问题? 它是nginx的问题吗?
感谢您的帮助。
更新
WebAPI和Webclient在Linux服务器上工作,因此我不使用IIS,但使用NGINX。
如何配置NGINX,或者可能是asp.net核心配置的问题?
答案 0 :(得分:2)
在 StartUp.cs 中检查您的中间件使用顺序 UseCors() 应该在 UseAthorization() 之前
答案 1 :(得分:1)
尝试一下,为我工作 在launchSettings.json中的iisSettings下,将anonymousauthentication和windowsAuthentication设置为true。
"iisSettings": {
"windowsAuthentication": true,
"anonymousAuthentication": true,
"iisExpress": {
"applicationUrl": "http://localhost:8791/",
"sslPort": 0
}
}