android httpClient 支持HTTPS的处理方式

问题：
项目中Android https或http请求地址重定向为HTTPS的地址，相信很多人都遇到了这个异常(无终端认证)： javax.NET.ssl.SSLPeerUnverifiedException: No peer certificate

解决过程：
1.没遇到过的问题，搜索吧，少年

log里出现这个异常，作者第一次遇到，不知道啥意思。看下字面意思，是ssl协议中没有终端认证。SSL?作者没用到ssl协议呀，只是通过httpClient请求一个重定向https的地址。
好吧，google下，知道了个差不多情况的帖子，http://www.eoeandroid.com/thread-161747-1-1.html。恩恩，一个不错的帖子，给出了个解决方案。照着来试下。添加个继承SSLSocketFactory的
自定义类。并在初始化httpclient支持https时，注册进去。看下面代码：

public class HttpClientHelper {
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    private static HttpClient httpClient;
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    private HttpClientHelper() {
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    }
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    public static synchronized HttpClient getHttpClient() {
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        if (null == httpClient) {
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            // 初始化工作
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            try {
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                KeyStore trustStore = KeyStore.getInstance(KeyStore
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                        .getDefaultType());
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                trustStore.load(null, null);
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                SSLSocketFactory sf = new SSLSocketFactoryEx(trustStore);
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                sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);  //允许所有主机的验证
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                HttpParams params = new BasicHttpParams();
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                HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
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                HttpProtocolParams.setContentCharset(params,
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                        HTTP.DEFAULT_CONTENT_CHARSET);
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                HttpProtocolParams.setUseExpectContinue(params, true);
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                // 设置连接管理器的超时
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                ConnManagerParams.setTimeout(params, 10000);
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                // 设置连接超时
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                HttpConnectionParams.setConnectionTimeout(params, 10000);
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                // 设置socket超时
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                HttpConnectionParams.setSoTimeout(params, 10000);
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                // 设置http https支持
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                SchemeRegistry schReg = new SchemeRegistry();
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                schReg.register(new Scheme("http", PlainSocketFactory
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                        .getSocketFactory(), 80));
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                schReg.register(new Scheme("https", sf, 443));
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                ClientConnectionManager conManager = new ThreadSafeClientConnManager(
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                        params, schReg);
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                httpClient = new DefaultHttpClient(conManager, params);
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            } catch (Exception e) {
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                e.printStackTrace();
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                return new DefaultHttpClient();
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            }
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        }
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        return httpClient;
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    }
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}
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class SSLSocketFactoryEx extends SSLSocketFactory {
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    SSLContext sslContext = SSLContext.getInstance("TLS");
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    public SSLSocketFactoryEx(KeyStore truststore)
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            throws NoSuchAlgorithmException, KeyManagementException,
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            KeyStoreException, UnrecoverableKeyException {
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        super(truststore);
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        TrustManager tm = new X509TrustManager() {
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            @Override
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            public java.security.cert.X509Certificate[] getAcceptedIssuers() {
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                return null;
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            }
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            @Override
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            public void checkClientTrusted(
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                    java.security.cert.X509Certificate[] chain, String authType)
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                    throws java.security.cert.CertificateException {
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            }
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            @Override
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            public void checkServerTrusted(
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                    java.security.cert.X509Certificate[] chain, String authType)
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                    throws java.security.cert.CertificateException {
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            }
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        };
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        sslContext.init(null, new TrustManager[] { tm }, null);
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    }
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    @Override
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    public Socket createSocket(Socket socket, String host, int port,
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            boolean autoClose) throws IOException, UnknownHostException {
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        return sslContext.getSocketFactory().createSocket(socket, host, port,
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                autoClose);
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    }
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   @Override
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   public Socket createSocket() throws IOException {
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        return sslContext.getSocketFactory().createSocket();
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    }
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}

http://blog.csdn.net/lihenair/article/details/17441169