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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.updater;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.SharedPreferences;
import android.util.Log;
import com.keepsafe.switchboard.SwitchBoard;
import org.mozilla.gecko.AppConstants;
import org.mozilla.gecko.BrowserApp;
import org.mozilla.gecko.delegates.BrowserAppDelegateWithReference;
import org.mozilla.gecko.GeckoSharedPrefs;
import org.mozilla.gecko.preferences.GeckoPreferences;
import org.mozilla.gecko.util.IOUtils;
import org.mozilla.gecko.util.ThreadUtils;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;
/**
* Perform tasks in the background after the app has been installed/updated.
*/
public class PostUpdateHandler extends BrowserAppDelegateWithReference {
private static final String LOGTAG = "PostUpdateHandler";
@Override
public void onStart(final BrowserApp browserApp) {
ThreadUtils.postToBackgroundThread(new Runnable() {
@Override
public void run() {
final SharedPreferences prefs = GeckoSharedPrefs.forApp(browserApp);
// Check if this is a new installation or if the app has been updated since the last start.
if (!AppConstants.MOZ_APP_BUILDID.equals(prefs.getString(GeckoPreferences.PREFS_APP_UPDATE_LAST_BUILD_ID, null))) {
Log.d(LOGTAG, "Build ID changed since last start: '" + AppConstants.MOZ_APP_BUILDID + "', '" + prefs.getString(GeckoPreferences.PREFS_APP_UPDATE_LAST_BUILD_ID, null) + "'");
// Copy the bundled system add-ons from the APK to the data directory.
copyFeaturesFromAPK(browserApp);
}
}
});
}
/**
* Copies the /assets/features folder out of the APK and into the app's data directory.
*/
private void copyFeaturesFromAPK(BrowserApp browserApp) {
Log.d(LOGTAG, "Copying system add-ons from APK to dataDir");
final String dataDir = browserApp.getApplicationInfo().dataDir;
final SharedPreferences prefs = GeckoSharedPrefs.forApp(browserApp);
final AssetManager assetManager = browserApp.getContext().getAssets();
try {
final String[] assetNames = assetManager.list("features");
for (int i = 0; i < assetNames.length; i++) {
final String assetPath = "features/" + assetNames[i];
Log.d(LOGTAG, "Copying '" + assetPath + "' from APK to dataDir");
final InputStream assetStream = assetManager.open(assetPath);
final File outFile = getDataFile(dataDir, assetPath);
if (outFile == null) {
continue;
}
final OutputStream outStream = new FileOutputStream(outFile);
try {
IOUtils.copy(assetStream, outStream);
} catch (IOException e) {
Log.e(LOGTAG, "Error copying '" + assetPath + "' from APK to dataDir");
} finally {
outStream.close();
}
}
} catch (IOException e) {
Log.e(LOGTAG, "Error retrieving packaged system add-ons from APK", e);
}
// Save the Build ID so we don't perform post-update operations again until the app is updated.
prefs.edit().putString(GeckoPreferences.PREFS_APP_UPDATE_LAST_BUILD_ID, AppConstants.MOZ_APP_BUILDID).apply();
}
/**
* Return a File instance in the data directory, ensuring
* that the parent exists.
*
* @return null if the parents could not be created.
*/
private File getDataFile(final String dataDir, final String name) {
File outFile = new File(dataDir, name);
File dir = outFile.getParentFile();
if (!dir.exists()) {
Log.d(LOGTAG, "Creating " + dir.getAbsolutePath());
if (!dir.mkdirs()) {
Log.e(LOGTAG, "Unable to create directories: " + dir.getAbsolutePath());
return null;
}
}
return outFile;
}
}
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