WebViewUpdateService.java revision dc00a84af15ff3594a6dfa512be21095bf9fee82
108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)/* 208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * Copyright (C) 2012 The Android Open Source Project 308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * 408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * Licensed under the Apache License, Version 2.0 (the "License"); 508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * you may not use this file except in compliance with the License. 608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * You may obtain a copy of the License at 708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * 808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * http://www.apache.org/licenses/LICENSE-2.0 908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * 1008cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * Unless required by applicable law or agreed to in writing, software 1108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * distributed under the License is distributed on an "AS IS" BASIS, 1208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * See the License for the specific language governing permissions and 1408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * limitations under the License. 1508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) */ 1608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 1708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)package com.android.server.webkit; 1808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 19dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdochimport android.content.BroadcastReceiver; 20dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdochimport android.content.Context; 21dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdochimport android.content.Intent; 22dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdochimport android.content.IntentFilter; 2308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)import android.os.Binder; 2408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)import android.os.Process; 2508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)import android.util.Log; 2608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)import android.webkit.IWebViewUpdateService; 27dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdochimport android.webkit.WebViewFactory; 2808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 2908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)/** 3008cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * Private service to wait for the updatable WebView to be ready for use. 3108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * @hide 3208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) */ 3308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)public class WebViewUpdateService extends IWebViewUpdateService.Stub { 3408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 3508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) private static final String TAG = "WebViewUpdateService"; 3608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 3708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) private boolean mRelroReady32Bit = false; 3808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) private boolean mRelroReady64Bit = false; 3908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 40dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch private BroadcastReceiver mWebViewUpdatedReceiver; 41dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch 42dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch public WebViewUpdateService(Context context) { 43dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch mWebViewUpdatedReceiver = new BroadcastReceiver() { 44dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch @Override 45dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch public void onReceive(Context context, Intent intent) { 46dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch String webviewPackage = "package:" + WebViewFactory.getWebViewPackageName(); 47dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch if (webviewPackage.equals(intent.getDataString())) { 48dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch onWebViewUpdateInstalled(); 49dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch } 50dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch } 51dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch }; 52dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch IntentFilter filter = new IntentFilter(); 53dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch filter.addAction(Intent.ACTION_PACKAGE_REPLACED); 54dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch filter.addDataScheme("package"); 55dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch context.registerReceiver(mWebViewUpdatedReceiver, filter); 5608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 5708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 5808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) /** 5908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * The shared relro process calls this to notify us that it's done trying to create a relro 6008cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * file. 6108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) */ 6208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) public void notifyRelroCreationCompleted(boolean is64Bit, boolean success) { 6308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) // Verify that the caller is the shared relro process. 6408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) if (Binder.getCallingUid() != Process.SHARED_RELRO_UID) { 6508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) return; 6608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 6708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 6808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) synchronized (this) { 6908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) if (is64Bit) { 7008cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) mRelroReady64Bit = true; 7108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } else { 7208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) mRelroReady32Bit = true; 7308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 7408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) this.notifyAll(); 7508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 7608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 7708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) 7808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) /** 7908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) * WebViewFactory calls this to block WebView loading until the relro file is created. 8008cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) */ 8108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) public void waitForRelroCreationCompleted(boolean is64Bit) { 8208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) synchronized (this) { 8308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) if (is64Bit) { 8408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) while (!mRelroReady64Bit) { 8508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) try { 8608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) this.wait(); 8708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } catch (InterruptedException e) {} 8808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 8908cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } else { 9008cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) while (!mRelroReady32Bit) { 9108cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) try { 9208cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) this.wait(); 9308cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } catch (InterruptedException e) {} 9408cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 9508cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 9608cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 9708cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles) } 98dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch 99dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch private void onWebViewUpdateInstalled() { 100dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch Log.d(TAG, "WebView Package updated!"); 101dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch 102dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch synchronized (this) { 103dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch mRelroReady32Bit = false; 104dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch mRelroReady64Bit = false; 105dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch } 106dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch WebViewFactory.prepareWebViewInSystemServer(); 107dc00a84af15ff3594a6dfa512be21095bf9fee82Ben Murdoch } 10808cfaf672604422dd355d6703aec78f3aa5ee74eTorne (Richard Coles)} 109