/*
* 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 com.android.shell;
import static com.android.shell.BugreportPrefs.STATE_SHOW;
import static com.android.shell.BugreportPrefs.getWarningState;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.FileUtils;
import android.os.SystemProperties;
import android.support.v4.content.FileProvider;
import android.text.format.DateUtils;
import android.util.Log;
import android.util.Patterns;
import com.google.android.collect.Lists;
import libcore.io.Streams;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.Closeable;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import java.util.ArrayList;
/**
* Receiver that handles finished bugreports, usually by attaching them to an
* {@link Intent#ACTION_SEND}.
*/
public class BugreportReceiver extends BroadcastReceiver {
private static final String TAG = "Shell";
private static final String AUTHORITY = "com.android.shell";
private static final String EXTRA_BUGREPORT = "android.intent.extra.BUGREPORT";
private static final String EXTRA_SCREENSHOT = "android.intent.extra.SCREENSHOT";
/**
* Always keep the newest 8 bugreport files; 4 reports and 4 screenshots are
* roughly 17MB of disk space.
*/
private static final int MIN_KEEP_COUNT = 8;
/**
* Always keep bugreports taken in the last week.
*/
private static final long MIN_KEEP_AGE = DateUtils.WEEK_IN_MILLIS;
@Override
public void onReceive(Context context, Intent intent) {
final Configuration conf = context.getResources().getConfiguration();
final File bugreportFile = getFileExtra(intent, EXTRA_BUGREPORT);
final File screenshotFile = getFileExtra(intent, EXTRA_SCREENSHOT);
if ((conf.uiMode & Configuration.UI_MODE_TYPE_MASK) != Configuration.UI_MODE_TYPE_WATCH) {
triggerLocalNotification(context, bugreportFile, screenshotFile);
}
// Clean up older bugreports in background
final PendingResult result = goAsync();
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
FileUtils.deleteOlderFiles(
bugreportFile.getParentFile(), MIN_KEEP_COUNT, MIN_KEEP_AGE);
result.finish();
return null;
}
}.execute();
}
/**
* Responsible for triggering a notification that allows the user to start a
* "share" intent with the bug report. On watches we have other methods to allow the user to
* start this intent (usually by triggering it on another connected device); we don't need to
* display the notification in this case.
*/
private void triggerLocalNotification(final Context context, final File bugreportFile,
final File screenshotFile) {
// Files are kept on private storage, so turn into Uris that we can
// grant temporary permissions for.
final Uri bugreportUri = FileProvider.getUriForFile(context, AUTHORITY, bugreportFile);
final Uri screenshotUri = FileProvider.getUriForFile(context, AUTHORITY, screenshotFile);
boolean isPlainText = bugreportFile.getName().toLowerCase().endsWith(".txt");
if (!isPlainText) {
// Already zipped, send it right away.
sendBugreportNotification(context, bugreportFile, screenshotFile);
} else {
// Asynchronously zip the file first, then send it.
sendZippedBugreportNotification(context, bugreportFile, screenshotFile);
}
}
private static Intent buildWarningIntent(Context context, Intent sendIntent) {
final Intent intent = new Intent(context, BugreportWarningActivity.class);
intent.putExtra(Intent.EXTRA_INTENT, sendIntent);
return intent;
}
/**
* Build {@link Intent} that can be used to share the given bugreport.
*/
private static Intent buildSendIntent(Context context, Uri bugreportUri, Uri screenshotUri) {
final Intent intent = new Intent(Intent.ACTION_SEND_MULTIPLE);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.addCategory(Intent.CATEGORY_DEFAULT);
intent.setType("application/vnd.android.bugreport");
intent.putExtra(Intent.EXTRA_SUBJECT, bugreportUri.getLastPathSegment());
intent.putExtra(Intent.EXTRA_TEXT, SystemProperties.get("ro.build.description"));
final ArrayList<Uri> attachments = Lists.newArrayList(bugreportUri, screenshotUri);
intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, attachments);
final Account sendToAccount = findSendToAccount(context);
if (sendToAccount != null) {
intent.putExtra(Intent.EXTRA_EMAIL, new String[] { sendToAccount.name });
}
return intent;
}
/**
* Sends a bugreport notitication.
*/
private static void sendBugreportNotification(Context context, File bugreportFile,
File screenshotFile) {
// Files are kept on private storage, so turn into Uris that we can
// grant temporary permissions for.
final Uri bugreportUri = FileProvider.getUriForFile(context, AUTHORITY, bugreportFile);
final Uri screenshotUri = FileProvider.getUriForFile(context, AUTHORITY, screenshotFile);
Intent sendIntent = buildSendIntent(context, bugreportUri, screenshotUri);
Intent notifIntent;
// Send through warning dialog by default
if (getWarningState(context, STATE_SHOW) == STATE_SHOW) {
notifIntent = buildWarningIntent(context, sendIntent);
} else {
notifIntent = sendIntent;
}
notifIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
final Notification.Builder builder = new Notification.Builder(context)
.setSmallIcon(com.android.internal.R.drawable.stat_sys_adb)
.setContentTitle(context.getString(R.string.bugreport_finished_title))
.setTicker(context.getString(R.string.bugreport_finished_title))
.setContentText(context.getString(R.string.bugreport_finished_text))
.setContentIntent(PendingIntent.getActivity(
context, 0, notifIntent, PendingIntent.FLAG_CANCEL_CURRENT))
.setAutoCancel(true)
.setLocalOnly(true)
.setColor(context.getColor(
com.android.internal.R.color.system_notification_accent_color));
NotificationManager.from(context).notify(TAG, 0, builder.build());
}
/**
* Sends a zipped bugreport notification.
*/
private static void sendZippedBugreportNotification(final Context context,
final File bugreportFile, final File screenshotFile) {
new AsyncTask<Void, Void, Void>() {
@Override
protected Void doInBackground(Void... params) {
File zippedFile = zipBugreport(bugreportFile);
sendBugreportNotification(context, zippedFile, screenshotFile);
return null;
}
}.execute();
}
/**
* Zips a bugreport file, returning the path to the new file (or to the
* original in case of failure).
*/
private static File zipBugreport(File bugreportFile) {
String bugreportPath = bugreportFile.getAbsolutePath();
String zippedPath = bugreportPath.replace(".txt", ".zip");
Log.v(TAG, "zipping " + bugreportPath + " as " + zippedPath);
File bugreportZippedFile = new File(zippedPath);
try (InputStream is = new FileInputStream(bugreportFile);
ZipOutputStream zos = new ZipOutputStream(
new BufferedOutputStream(new FileOutputStream(bugreportZippedFile)))) {
ZipEntry entry = new ZipEntry(bugreportFile.getName());
entry.setTime(bugreportFile.lastModified());
zos.putNextEntry(entry);
int totalBytes = Streams.copy(is, zos);
Log.v(TAG, "size of original bugreport: " + totalBytes + " bytes");
zos.closeEntry();
// Delete old file;
boolean deleted = bugreportFile.delete();
if (deleted) {
Log.v(TAG, "deleted original bugreport (" + bugreportPath + ")");
} else {
Log.e(TAG, "could not delete original bugreport (" + bugreportPath + ")");
}
return bugreportZippedFile;
} catch (IOException e) {
Log.e(TAG, "exception zipping file " + zippedPath, e);
return bugreportFile; // Return original.
}
}
/**
* Find the best matching {@link Account} based on build properties.
*/
private static Account findSendToAccount(Context context) {
final AccountManager am = (AccountManager) context.getSystemService(
Context.ACCOUNT_SERVICE);
String preferredDomain = SystemProperties.get("sendbug.preferred.domain");
if (!preferredDomain.startsWith("@")) {
preferredDomain = "@" + preferredDomain;
}
final Account[] accounts = am.getAccounts();
Account foundAccount = null;
for (Account account : accounts) {
if (Patterns.EMAIL_ADDRESS.matcher(account.name).matches()) {
if (!preferredDomain.isEmpty()) {
// if we have a preferred domain and it matches, return; otherwise keep
// looking
if (account.name.endsWith(preferredDomain)) {
return account;
} else {
foundAccount = account;
}
// if we don't have a preferred domain, just return since it looks like
// an email address
} else {
return account;
}
}
}
return foundAccount;
}
private static File getFileExtra(Intent intent, String key) {
final String path = intent.getStringExtra(key);
if (path != null) {
return new File(path);
} else {
return null;
}
}
}