Android Open Source - AGhast Https U R L Connection Impl

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License

The source code is released under:
MIT License
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Java Source Code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 */*w ww  .jav a2s. c  o  m*/
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.squareup.okhttp.internal.http;

import com.squareup.okhttp.Connection;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Route;
import com.squareup.okhttp.TunnelRequest;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.CacheResponse;
import java.net.HttpURLConnection;
import java.net.ProtocolException;
import java.net.SecureCacheResponse;
import java.net.URL;
import java.security.Permission;
import java.security.Principal;
import java.security.cert.Certificate;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;

import static com.squareup.okhttp.internal.Util.getEffectivePort;

public final class HttpsURLConnectionImpl extends HttpsURLConnection {

  /** HttpUrlConnectionDelegate allows reuse of HttpURLConnectionImpl. */
  private final HttpUrlConnectionDelegate delegate;

  public HttpsURLConnectionImpl(URL url, OkHttpClient client, OkResponseCache responseCache,
      Set<Route> failedRoutes) {
    super(url);
    delegate = new HttpUrlConnectionDelegate(url, client, responseCache, failedRoutes);
  }

  @Override public String getCipherSuite() {
    SecureCacheResponse cacheResponse = delegate.getSecureCacheResponse();
    if (cacheResponse != null) {
      return cacheResponse.getCipherSuite();
    }
    SSLSocket sslSocket = getSslSocket();
    if (sslSocket != null) {
      return sslSocket.getSession().getCipherSuite();
    }
    return null;
  }

  @Override public Certificate[] getLocalCertificates() {
    SecureCacheResponse cacheResponse = delegate.getSecureCacheResponse();
    if (cacheResponse != null) {
      List<Certificate> result = cacheResponse.getLocalCertificateChain();
      return result != null ? result.toArray(new Certificate[result.size()]) : null;
    }
    SSLSocket sslSocket = getSslSocket();
    if (sslSocket != null) {
      return sslSocket.getSession().getLocalCertificates();
    }
    return null;
  }

  @Override public Certificate[] getServerCertificates() throws SSLPeerUnverifiedException {
    SecureCacheResponse cacheResponse = delegate.getSecureCacheResponse();
    if (cacheResponse != null) {
      List<Certificate> result = cacheResponse.getServerCertificateChain();
      return result != null ? result.toArray(new Certificate[result.size()]) : null;
    }
    SSLSocket sslSocket = getSslSocket();
    if (sslSocket != null) {
      return sslSocket.getSession().getPeerCertificates();
    }
    return null;
  }

  @Override public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
    SecureCacheResponse cacheResponse = delegate.getSecureCacheResponse();
    if (cacheResponse != null) {
      return cacheResponse.getPeerPrincipal();
    }
    SSLSocket sslSocket = getSslSocket();
    if (sslSocket != null) {
      return sslSocket.getSession().getPeerPrincipal();
    }
    return null;
  }

  @Override public Principal getLocalPrincipal() {
    SecureCacheResponse cacheResponse = delegate.getSecureCacheResponse();
    if (cacheResponse != null) {
      return cacheResponse.getLocalPrincipal();
    }
    SSLSocket sslSocket = getSslSocket();
    if (sslSocket != null) {
      return sslSocket.getSession().getLocalPrincipal();
    }
    return null;
  }

  public HttpEngine getHttpEngine() {
    return delegate.getHttpEngine();
  }

  private SSLSocket getSslSocket() {
    if (delegate.httpEngine == null || delegate.httpEngine.sentRequestMillis == -1) {
      throw new IllegalStateException("Connection has not yet been established");
    }
    return delegate.httpEngine instanceof HttpsEngine
        ? ((HttpsEngine) delegate.httpEngine).sslSocket
        : null; // Not HTTPS! Probably an https:// to http:// redirect.
  }

  @Override
  public void disconnect() {
    delegate.disconnect();
  }

  @Override
  public InputStream getErrorStream() {
    return delegate.getErrorStream();
  }

  @Override
  public String getRequestMethod() {
    return delegate.getRequestMethod();
  }

  @Override
  public int getResponseCode() throws IOException {
    return delegate.getResponseCode();
  }

  @Override
  public String getResponseMessage() throws IOException {
    return delegate.getResponseMessage();
  }

  @Override
  public void setRequestMethod(String method) throws ProtocolException {
    delegate.setRequestMethod(method);
  }

  @Override
  public boolean usingProxy() {
    return delegate.usingProxy();
  }

  @Override
  public boolean getInstanceFollowRedirects() {
    return delegate.getInstanceFollowRedirects();
  }

  @Override
  public void setInstanceFollowRedirects(boolean followRedirects) {
    delegate.setInstanceFollowRedirects(followRedirects);
  }

  @Override
  public void connect() throws IOException {
    connected = true;
    delegate.connect();
  }

  @Override
  public boolean getAllowUserInteraction() {
    return delegate.getAllowUserInteraction();
  }

  @Override
  public Object getContent() throws IOException {
    return delegate.getContent();
  }

  @SuppressWarnings("unchecked") // Spec does not generify
  @Override
  public Object getContent(Class[] types) throws IOException {
    return delegate.getContent(types);
  }

  @Override
  public String getContentEncoding() {
    return delegate.getContentEncoding();
  }

  @Override
  public int getContentLength() {
    return delegate.getContentLength();
  }

  @Override
  public String getContentType() {
    return delegate.getContentType();
  }

  @Override
  public long getDate() {
    return delegate.getDate();
  }

  @Override
  public boolean getDefaultUseCaches() {
    return delegate.getDefaultUseCaches();
  }

  @Override
  public boolean getDoInput() {
    return delegate.getDoInput();
  }

  @Override
  public boolean getDoOutput() {
    return delegate.getDoOutput();
  }

  @Override
  public long getExpiration() {
    return delegate.getExpiration();
  }

  @Override
  public String getHeaderField(int pos) {
    return delegate.getHeaderField(pos);
  }

  @Override
  public Map<String, List<String>> getHeaderFields() {
    return delegate.getHeaderFields();
  }

  @Override
  public Map<String, List<String>> getRequestProperties() {
    return delegate.getRequestProperties();
  }

  @Override
  public void addRequestProperty(String field, String newValue) {
    delegate.addRequestProperty(field, newValue);
  }

  @Override
  public String getHeaderField(String key) {
    return delegate.getHeaderField(key);
  }

  @Override
  public long getHeaderFieldDate(String field, long defaultValue) {
    return delegate.getHeaderFieldDate(field, defaultValue);
  }

  @Override
  public int getHeaderFieldInt(String field, int defaultValue) {
    return delegate.getHeaderFieldInt(field, defaultValue);
  }

  @Override
  public String getHeaderFieldKey(int position) {
    return delegate.getHeaderFieldKey(position);
  }

  @Override
  public long getIfModifiedSince() {
    return delegate.getIfModifiedSince();
  }

  @Override
  public InputStream getInputStream() throws IOException {
    return delegate.getInputStream();
  }

  @Override
  public long getLastModified() {
    return delegate.getLastModified();
  }

  @Override
  public OutputStream getOutputStream() throws IOException {
    return delegate.getOutputStream();
  }

  @Override
  public Permission getPermission() throws IOException {
    return delegate.getPermission();
  }

  @Override
  public String getRequestProperty(String field) {
    return delegate.getRequestProperty(field);
  }

  @Override
  public URL getURL() {
    return delegate.getURL();
  }

  @Override
  public boolean getUseCaches() {
    return delegate.getUseCaches();
  }

  @Override
  public void setAllowUserInteraction(boolean newValue) {
    delegate.setAllowUserInteraction(newValue);
  }

  @Override
  public void setDefaultUseCaches(boolean newValue) {
    delegate.setDefaultUseCaches(newValue);
  }

  @Override
  public void setDoInput(boolean newValue) {
    delegate.setDoInput(newValue);
  }

  @Override
  public void setDoOutput(boolean newValue) {
    delegate.setDoOutput(newValue);
  }

  @Override
  public void setIfModifiedSince(long newValue) {
    delegate.setIfModifiedSince(newValue);
  }

  @Override
  public void setRequestProperty(String field, String newValue) {
    delegate.setRequestProperty(field, newValue);
  }

  @Override
  public void setUseCaches(boolean newValue) {
    delegate.setUseCaches(newValue);
  }

  @Override
  public void setConnectTimeout(int timeoutMillis) {
    delegate.setConnectTimeout(timeoutMillis);
  }

  @Override
  public int getConnectTimeout() {
    return delegate.getConnectTimeout();
  }

  @Override
  public void setReadTimeout(int timeoutMillis) {
    delegate.setReadTimeout(timeoutMillis);
  }

  @Override
  public int getReadTimeout() {
    return delegate.getReadTimeout();
  }

  @Override
  public String toString() {
    return delegate.toString();
  }

  @Override
  public void setFixedLengthStreamingMode(int contentLength) {
    delegate.setFixedLengthStreamingMode(contentLength);
  }

  @Override
  public void setChunkedStreamingMode(int chunkLength) {
    delegate.setChunkedStreamingMode(chunkLength);
  }

  @Override public void setHostnameVerifier(HostnameVerifier hostnameVerifier) {
    delegate.hostnameVerifier = hostnameVerifier;
  }

  @Override public HostnameVerifier getHostnameVerifier() {
    return delegate.hostnameVerifier;
  }

  @Override public void setSSLSocketFactory(SSLSocketFactory sslSocketFactory) {
    delegate.sslSocketFactory = sslSocketFactory;
  }

  @Override public SSLSocketFactory getSSLSocketFactory() {
    return delegate.sslSocketFactory;
  }

  private final class HttpUrlConnectionDelegate extends HttpURLConnectionImpl {
    private HttpUrlConnectionDelegate(URL url, OkHttpClient client, OkResponseCache responseCache,
        Set<Route> failedRoutes) {
      super(url, client, responseCache, failedRoutes);
    }

    @Override protected HttpURLConnection getHttpConnectionToCache() {
      return HttpsURLConnectionImpl.this;
    }

    public SecureCacheResponse getSecureCacheResponse() {
      return httpEngine instanceof HttpsEngine
          ? (SecureCacheResponse) httpEngine.getCacheResponse()
          : null;
    }
  }

  public static final class HttpsEngine extends HttpEngine {
    /**
     * Stash of HttpsEngine.connection.socket to implement requests like
     * {@link #getCipherSuite} even after the connection has been recycled.
     */
    private SSLSocket sslSocket;

    /**
     * @param policy the HttpURLConnectionImpl with connection configuration
     */
    public HttpsEngine(HttpURLConnectionImpl policy, String method, RawHeaders requestHeaders,
        Connection connection, RetryableOutputStream requestBody) throws IOException {
      super(policy, method, requestHeaders, connection, requestBody);
      this.sslSocket = connection != null ? (SSLSocket) connection.getSocket() : null;
    }

    @Override protected void connected(Connection connection) {
      this.sslSocket = (SSLSocket) connection.getSocket();
    }

    @Override protected boolean acceptCacheResponseType(CacheResponse cacheResponse) {
      return cacheResponse instanceof SecureCacheResponse;
    }

    @Override protected boolean includeAuthorityInRequestLine() {
      // Even if there is a proxy, it isn't involved. Always request just the file.
      return false;
    }

    @Override protected TunnelRequest getTunnelConfig() {
      String userAgent = requestHeaders.getUserAgent();
      if (userAgent == null) {
        userAgent = getDefaultUserAgent();
      }

      URL url = policy.getURL();
      return new TunnelRequest(url.getHost(), getEffectivePort(url), userAgent,
          requestHeaders.getProxyAuthorization());
    }
  }
}
Java Source Code List
