| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed 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 |
| * |
| * 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 android.net; |
| |
| import android.os.ServiceManager; |
| import android.util.Log; |
| |
| import com.android.net.IProxyService; |
| import com.google.android.collect.Lists; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.MalformedURLException; |
| import java.net.Proxy; |
| import java.net.Proxy.Type; |
| import java.net.ProxySelector; |
| import java.net.SocketAddress; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.List; |
| |
| /** |
| * @hide |
| */ |
| public class PacProxySelector extends ProxySelector { |
| private static final String TAG = "PacProxySelector"; |
| public static final String PROXY_SERVICE = "com.android.net.IProxyService"; |
| private static final String SOCKS = "SOCKS "; |
| private static final String PROXY = "PROXY "; |
| |
| private IProxyService mProxyService; |
| private final List<Proxy> mDefaultList; |
| |
| public PacProxySelector() { |
| mProxyService = IProxyService.Stub.asInterface( |
| ServiceManager.getService(PROXY_SERVICE)); |
| if (mProxyService == null) { |
| // Added because of b10267814 where mako is restarting. |
| Log.e(TAG, "PacManager: no proxy service"); |
| } |
| mDefaultList = Lists.newArrayList(java.net.Proxy.NO_PROXY); |
| } |
| |
| @Override |
| public List<Proxy> select(URI uri) { |
| if (mProxyService == null) { |
| mProxyService = IProxyService.Stub.asInterface( |
| ServiceManager.getService(PROXY_SERVICE)); |
| } |
| if (mProxyService == null) { |
| Log.e(TAG, "select: no proxy service return NO_PROXY"); |
| return Lists.newArrayList(java.net.Proxy.NO_PROXY); |
| } |
| String response = null; |
| String urlString; |
| try { |
| // Strip path and username/password from URI so it's not visible to PAC script. The |
| // path often contains credentials the app does not want exposed to a potentially |
| // malicious PAC script. |
| if (!"http".equalsIgnoreCase(uri.getScheme())) { |
| uri = new URI(uri.getScheme(), null, uri.getHost(), uri.getPort(), "/", null, null); |
| } |
| urlString = uri.toURL().toString(); |
| } catch (URISyntaxException e) { |
| urlString = uri.getHost(); |
| } catch (MalformedURLException e) { |
| urlString = uri.getHost(); |
| } |
| try { |
| response = mProxyService.resolvePacFile(uri.getHost(), urlString); |
| } catch (Exception e) { |
| Log.e(TAG, "Error resolving PAC File", e); |
| } |
| if (response == null) { |
| return mDefaultList; |
| } |
| |
| return parseResponse(response); |
| } |
| |
| private static List<Proxy> parseResponse(String response) { |
| String[] split = response.split(";"); |
| List<Proxy> ret = Lists.newArrayList(); |
| for (String s : split) { |
| String trimmed = s.trim(); |
| if (trimmed.equals("DIRECT")) { |
| ret.add(java.net.Proxy.NO_PROXY); |
| } else if (trimmed.startsWith(PROXY)) { |
| Proxy proxy = proxyFromHostPort(Type.HTTP, trimmed.substring(PROXY.length())); |
| if (proxy != null) { |
| ret.add(proxy); |
| } |
| } else if (trimmed.startsWith(SOCKS)) { |
| Proxy proxy = proxyFromHostPort(Type.SOCKS, trimmed.substring(SOCKS.length())); |
| if (proxy != null) { |
| ret.add(proxy); |
| } |
| } |
| } |
| if (ret.size() == 0) { |
| ret.add(java.net.Proxy.NO_PROXY); |
| } |
| return ret; |
| } |
| |
| private static Proxy proxyFromHostPort(Proxy.Type type, String hostPortString) { |
| try { |
| String[] hostPort = hostPortString.split(":"); |
| String host = hostPort[0]; |
| int port = Integer.parseInt(hostPort[1]); |
| return new Proxy(type, InetSocketAddress.createUnresolved(host, port)); |
| } catch (NumberFormatException|ArrayIndexOutOfBoundsException e) { |
| Log.d(TAG, "Unable to parse proxy " + hostPortString + " " + e); |
| return null; |
| } |
| } |
| |
| @Override |
| public void connectFailed(URI uri, SocketAddress address, IOException failure) { |
| |
| } |
| |
| } |