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Diffstat (limited to 'core/java/android/webkit/GearsPermissionsManager.java')
| -rw-r--r-- | core/java/android/webkit/GearsPermissionsManager.java | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/core/java/android/webkit/GearsPermissionsManager.java b/core/java/android/webkit/GearsPermissionsManager.java deleted file mode 100644 index 6549cb8..0000000 --- a/core/java/android/webkit/GearsPermissionsManager.java +++ /dev/null @@ -1,246 +0,0 @@ -/* - * Copyright (C) 2009 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.webkit; - -import android.content.ContentResolver; -import android.content.ContentValues; -import android.content.Context; -import android.content.SharedPreferences; -import android.content.SharedPreferences.Editor; -import android.database.ContentObserver; -import android.database.sqlite.SQLiteDatabase; -import android.database.sqlite.SQLiteException; -import android.database.sqlite.SQLiteStatement; -import android.os.Handler; -import android.preference.PreferenceManager; -import android.provider.Settings; -import android.util.Log; - -import java.io.File; -import java.util.HashSet; - -/** - * Donut-specific hack to keep Gears permissions in sync with the - * system location setting. - */ -class GearsPermissionsManager { - // The application context. - Context mContext; - // The path to gears.so. - private String mGearsPath; - - // The Gears permissions database directory. - private final static String GEARS_DATABASE_DIR = "gears"; - // The Gears permissions database file name. - private final static String GEARS_DATABASE_FILE = "permissions.db"; - // The Gears location permissions table. - private final static String GEARS_LOCATION_ACCESS_TABLE_NAME = - "LocationAccess"; - // The Gears storage access permissions table. - private final static String GEARS_STORAGE_ACCESS_TABLE_NAME = "Access"; - // The Gears permissions db schema version table. - private final static String GEARS_SCHEMA_VERSION_TABLE_NAME = - "VersionInfo"; - // The Gears permission value that denotes "allow access to location". - private static final int GEARS_ALLOW_LOCATION_ACCESS = 1; - // The shared pref name. - private static final String LAST_KNOWN_LOCATION_SETTING = - "lastKnownLocationSystemSetting"; - // The Browser package name. - private static final String BROWSER_PACKAGE_NAME = "com.android.browser"; - // The Secure Settings observer that will be notified when the system - // location setting changes. - private SecureSettingsObserver mSettingsObserver; - // The Google URLs whitelisted for Gears location access. - private static HashSet<String> sGearsWhiteList; - - static { - sGearsWhiteList = new HashSet<String>(); - // NOTE: DO NOT ADD A "/" AT THE END! - sGearsWhiteList.add("http://www.google.com"); - sGearsWhiteList.add("http://www.google.co.uk"); - } - - private static final String LOGTAG = "webcore"; - static final boolean DEBUG = false; - static final boolean LOGV_ENABLED = DEBUG; - - GearsPermissionsManager(Context context, String gearsPath) { - mContext = context; - mGearsPath = gearsPath; - } - - public void doCheckAndStartObserver() { - // Are we running in the browser? - if (!BROWSER_PACKAGE_NAME.equals(mContext.getPackageName())) { - return; - } - // Do the check. - checkGearsPermissions(); - // Install the observer. - mSettingsObserver = new SecureSettingsObserver(); - mSettingsObserver.observe(); - } - - private void checkGearsPermissions() { - // Get the current system settings. - int setting = Settings.Secure.getInt(mContext.getContentResolver(), - Settings.Secure.USE_LOCATION_FOR_SERVICES, -1); - // Check if we need to set the Gears permissions. - if (setting != -1 && locationSystemSettingChanged(setting)) { - setGearsPermissionForGoogleDomains(setting); - } - } - - private boolean locationSystemSettingChanged(int newSetting) { - SharedPreferences prefs = - PreferenceManager.getDefaultSharedPreferences(mContext); - int oldSetting = 0; - oldSetting = prefs.getInt(LAST_KNOWN_LOCATION_SETTING, oldSetting); - if (oldSetting == newSetting) { - return false; - } - Editor ed = prefs.edit(); - ed.putInt(LAST_KNOWN_LOCATION_SETTING, newSetting); - ed.commit(); - return true; - } - - private void setGearsPermissionForGoogleDomains(int systemPermission) { - // Transform the system permission into a boolean flag. When this - // flag is true, it means the origins in gGearsWhiteList are added - // to the Gears location permission table with permission 1 (allowed). - // When the flag is false, the origins in gGearsWhiteList are removed - // from the Gears location permission table. Next time the user - // navigates to one of these origins, she will see the normal Gears - // permission prompt. - boolean addToGearsLocationTable = (systemPermission == 1 ? true : false); - // Build the path to the Gears library. - - File file = new File(mGearsPath).getParentFile(); - if (file == null) { - return; - } - // Build the Gears database file name. - file = new File(file.getAbsolutePath() + File.separator - + GEARS_DATABASE_DIR + File.separator + GEARS_DATABASE_FILE); - // Remember whether or not we need to create the LocationAccess table. - boolean needToCreateTables = false; - if (!file.exists()) { - needToCreateTables = true; - // Create the path or else SQLiteDatabase.openOrCreateDatabase() - // may throw on the device. - file.getParentFile().mkdirs(); - } - // If the database file does not yet exist and the system location - // setting says that the Gears origins need to be removed from the - // location permission table, it means that we don't actually need - // to do anything at all. - if (needToCreateTables && !addToGearsLocationTable) { - return; - } - // Try opening the Gears database. - SQLiteDatabase permissions; - try { - permissions = SQLiteDatabase.openOrCreateDatabase(file, null); - } catch (SQLiteException e) { - if (LOGV_ENABLED) { - Log.v(LOGTAG, "Could not open Gears permission DB: " - + e.getMessage()); - } - // Just bail out. - return; - } - // We now have a database open. Begin a transaction. - permissions.beginTransaction(); - try { - if (needToCreateTables) { - // Create the tables. Note that this creates the - // Gears tables for the permissions DB schema version 2. - // The Gears schema upgrade process will take care of the rest. - // First, the storage access table. - SQLiteStatement statement = permissions.compileStatement( - "CREATE TABLE IF NOT EXISTS " - + GEARS_STORAGE_ACCESS_TABLE_NAME - + " (Name TEXT UNIQUE, Value)"); - statement.execute(); - // Next the location access table. - statement = permissions.compileStatement( - "CREATE TABLE IF NOT EXISTS " - + GEARS_LOCATION_ACCESS_TABLE_NAME - + " (Name TEXT UNIQUE, Value)"); - statement.execute(); - // Finally, the schema version table. - statement = permissions.compileStatement( - "CREATE TABLE IF NOT EXISTS " - + GEARS_SCHEMA_VERSION_TABLE_NAME - + " (Name TEXT UNIQUE, Value)"); - statement.execute(); - // Set the schema version to 2. - ContentValues schema = new ContentValues(); - schema.put("Name", "Version"); - schema.put("Value", 2); - permissions.insert(GEARS_SCHEMA_VERSION_TABLE_NAME, null, - schema); - } - - if (addToGearsLocationTable) { - ContentValues permissionValues = new ContentValues(); - - for (String url : sGearsWhiteList) { - permissionValues.put("Name", url); - permissionValues.put("Value", GEARS_ALLOW_LOCATION_ACCESS); - permissions.replace(GEARS_LOCATION_ACCESS_TABLE_NAME, null, - permissionValues); - permissionValues.clear(); - } - } else { - for (String url : sGearsWhiteList) { - permissions.delete(GEARS_LOCATION_ACCESS_TABLE_NAME, "Name=?", - new String[] { url }); - } - } - // Commit the transaction. - permissions.setTransactionSuccessful(); - } catch (SQLiteException e) { - if (LOGV_ENABLED) { - Log.v(LOGTAG, "Could not set the Gears permissions: " - + e.getMessage()); - } - } finally { - permissions.endTransaction(); - permissions.close(); - } - } - - class SecureSettingsObserver extends ContentObserver { - SecureSettingsObserver() { - super(new Handler()); - } - - void observe() { - ContentResolver resolver = mContext.getContentResolver(); - resolver.registerContentObserver(Settings.Secure.getUriFor( - Settings.Secure.USE_LOCATION_FOR_SERVICES), false, this); - } - - @Override - public void onChange(boolean selfChange) { - checkGearsPermissions(); - } - } -} |