我一直在尝试使用Apaches HttpComponent的httpclient从已配置的属性中配置代理身份验证的用户名和密码,但一直没有成功。我找到的所有示例都引用了不再可用的方法和类,例如HttpState
和setProxyCredentials
。
那么,有人能给我一个如何配置代理凭据的示例吗?
我一直在尝试使用Apaches HttpComponent的httpclient从已配置的属性中配置代理身份验证的用户名和密码,但一直没有成功。我找到的所有示例都引用了不再可用的方法和类,例如HttpState
和setProxyCredentials
。
那么,有人能给我一个如何配置代理凭据的示例吗?
对于任何正在寻找4.3版本答案的人...这是一个相对较新版本,并且它们的示例没有使用新的HttpClientBuilder...所以这是我如何在该版本中实现的:
NTCredentials ntCreds = new NTCredentials(ntUsername, ntPassword,localMachineName, domainName );
CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials( new AuthScope(proxyHost,proxyPort), ntCreds );
HttpClientBuilder clientBuilder = HttpClientBuilder.create();
clientBuilder.useSystemProperties();
clientBuilder.setProxy(new HttpHost(pxInfo.getProxyURL(), pxInfo.getProxyPort()));
clientBuilder.setDefaultCredentialsProvider(credsProvider);
clientBuilder.setProxyAuthenticationStrategy(new ProxyAuthenticationStrategy());
CloseableHttpClient client = clientBuilder.build();
对于Basic-Auth,它看起来像这样:
DefaultHttpClient httpclient = new DefaultHttpClient();
httpclient.getCredentialsProvider().setCredentials(
new AuthScope("PROXY HOST", 8080),
new UsernamePasswordCredentials("username", "password"));
HttpHost targetHost = new HttpHost("TARGET HOST", 443, "https");
HttpHost proxy = new HttpHost("PROXY HOST", 8080);
httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
据我所知,NTLM不支持开箱即用。但是您可以尝试使用NTCredentials
并可能重载DefaultProxyAuthenticationHandler
来管理它。
targetHost
变量不是未使用/不必要的吗? - Mahesha999除了NTLM以外,可以在4.3+的httpClient上使用普通的用户名和密码,如下所示:
HttpHost proxy = new HttpHost("x.x.com",8080);
Credentials credentials = new UsernamePasswordCredentials("username","password");
AuthScope authScope = new AuthScope("x.x.com", 8080);
CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials(authScope, credentials);
HttpClient client = HttpClientBuilder.create().setProxy(proxy).setDefaultCredentialsProvider(credsProvider).build();
HttpResponse response=client.execute(new HttpGet("https://dev59.com/NGw05IYBdhLWcg3w4125"));
UsernamePasswordCredentials
,我会收到以下异常:auth.HttpAuthenticator(HttpAuthenticator.java:207)-NTLM身份验证错误:无法使用凭据进行NTLM身份验证:org.apache.http.auth.UsernamePasswordCredentials
。为了解决这个问题,我使用了NTCredentials
。 - trebor本答案使用Apache HttpClient v4.1及以上版本。
对我来说,已有的答案行不通,但我找到了其他可行的方法!这是经过测试验证的来自Apache的代码,演示了如何通过代理进行HTTP请求身份验证。
完整文档在此处:https://hc.apache.org/httpcomponents-client-ga/tutorial/html/authentication.html 。
Apache还提供了一个优秀的示例:https://hc.apache.org/httpcomponents-client-ga/httpclient/examples/org/apache/http/examples/client/ClientProxyAuthentication.java
my_username
替换为您的代理用户名my_password
替换为您的代理密码proxy.mycompany.com
替换为您的代理主机8080
替换为您的代理端口google.com
替换为您要发送HTTP请求的站点的主机名称。/some-path
替换为您要将HTTP请求发送到的路径。这使用您之前指定的主机站点(google.com)。以下示例将对username:password@proxy.mycompany.com:8080
进行身份验证,并向http://www.google.com/some-path
发送一个GET
请求,然后打印响应的HTTP代码。
CredentialsProvider credsProvider = new BasicCredentialsProvider();
credsProvider.setCredentials(
new AuthScope("proxy.mycompany", 8080),
new UsernamePasswordCredentials("my_username", "my_password"));
CloseableHttpClient httpclient = HttpClients.custom()
.setDefaultCredentialsProvider(credsProvider).build();
try {
//Replace "google.com" with the target host you want to send the request to
HttpHost target = new HttpHost("google.com", 80, "http");
HttpHost proxy = new HttpHost("proxy.mycompany", 8080);
RequestConfig config = RequestConfig.custom()
.setProxy(proxy)
.build();
CloseableHttpResponse response = null;
//Replace "/some-path" with the path you want to send a get request to.
HttpPost httppost = new HttpPost("/some-path");
httppost.setConfig(config);
response = httpclient.execute(target, httppost);
try {
System.out.println("Return status code is "+response.getStatusLine().getStatusCode());
} finally {
response.close();
}
} finally {
httpclient.close();
}
对于 HttpClient 4.5 和每个请求的身份验证:
HttpContext httpContext = new BasicHttpContext();
AuthState authState = new AuthState();
authState.update(new BasicScheme(), new UsernamePasswordCredentials("userName", "password"));
httpContext.setAttribute(HttpClientContext.PROXY_AUTH_STATE, authState);
CloseableHttpResponse httpResponse = httpClient.execute(httpRequest, httpContext);
对于NTLM,我使用了一种更简单的方法:
httpclient.getCredentialsProvider().setCredentials(
new AuthScope(proxy_host, proxy_port),
new NTCredentials(this.proxy_user, this.proxy_pass, this.proxy_host, this.proxy_domain));
HttpHost proxy = new HttpHost(this.proxy_host, this.proxy_port, "http");
httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);
DefaultHttpClient httpclient = new DefaultHttpClient();
httpclient.getCredentialsProvider().setCredentials(
new AuthScope("PROXY HOST", 8080),
new UsernamePasswordCredentials("username", "password"));
HttpHost proxy = new HttpHost("PROXY HOST", 8080);
httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);