package com.upyuns.platform.rs.universal.utils;

import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.Principal;
import java.security.SecureRandom;
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.conn.scheme.Scheme;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;

public class CcopHttpClient
{
  public DefaultHttpClient registerSSL(String hostname, String protocol, int port, String scheme)
    throws NoSuchAlgorithmException, KeyManagementException
  {
    DefaultHttpClient httpclient = new DefaultHttpClient();

    SSLContext ctx = SSLContext.getInstance(protocol);

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

      public void checkServerTrusted(X509Certificate[] chain,String authType)
 			 throws CertificateException {
        if ((chain == null) || (chain.length == 0))
          throw new IllegalArgumentException("null or zero-length certificate chain");
        if ((authType == null) || (authType.length() == 0))
          throw new IllegalArgumentException("null or zero-length authentication type");

        boolean br = false;
        Principal principal = null;
       for (X509Certificate x509Certificate : chain) {   
          principal = x509Certificate.getSubjectX500Principal();
          if (principal != null) {
            br = true;
            return;
          }
        }
        if (!(br))
          throw new CertificateException("服务端证书验证失败！");
      }

      public X509Certificate[] getAcceptedIssuers()
      {
        return new X509Certificate[0];
      }

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

    SSLSocketFactory socketFactory = new SSLSocketFactory(ctx, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
    Scheme sch = new Scheme(scheme, port, socketFactory);

    httpclient.getConnectionManager().getSchemeRegistry().register(sch);
    return httpclient;
  }
}