支持https但不驗證證書的HttpClient

支持https但不驗證證書的HttpClient，自定義一個SSLSocketFactory，忽略證書的驗證

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;

public class HttpsClient {

 static public HttpClient newHttpsClient() {
  try {
   KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
   trustStore.load(null, null);

   SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
   sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

   HttpParams params = new BasicHttpParams();
   HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
   HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);
   HttpConnectionParams.setConnectionTimeout(params, 10000);
   HttpConnectionParams.setSoTimeout(params, 10000);

   SchemeRegistry registry = new SchemeRegistry();
   registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
   registry.register(new Scheme("https", sf, 443));

   ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

   return new DefaultHttpClient(ccm, params);
  } catch (Exception e) {
   return new DefaultHttpClient();
  }
 }

 private static class MySSLSocketFactory extends SSLSocketFactory {
  SSLContext sslContext = SSLContext.getInstance("TLS");

  public MySSLSocketFactory(KeyStore truststore)
    throws NoSuchAlgorithmException, KeyManagementException,
    KeyStoreException, UnrecoverableKeyException {
   super(truststore);

   TrustManager tm = new X509TrustManager() {
    public void checkClientTrusted(X509Certificate[] chain, String authType)
      throws CertificateException {
    }

    public void checkServerTrusted(X509Certificate[] chain, String authType)
      throws CertificateException {
    }

    public X509Certificate[] getAcceptedIssuers() {
     return null;
    }
   };

   sslContext.init(null, new TrustManager[] { tm }, null);
  }

  @Override
  public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
    throws IOException, UnknownHostException {
   return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
  }

  @Override
  public Socket createSocket() throws IOException {
   return sslContext.getSocketFactory().createSocket();
  }
 }
}

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