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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 
     17 package com.android.traceur;
     18 
     19 import android.accounts.Account;
     20 import android.accounts.AccountManager;
     21 import android.app.Notification;
     22 import android.app.NotificationManager;
     23 import android.app.PendingIntent;
     24 import android.content.Context;
     25 import android.support.v4.content.FileProvider;
     26 import android.content.Intent;
     27 import android.net.Uri;
     28 import android.os.SystemProperties;
     29 import android.util.Patterns;
     30 
     31 import java.io.File;
     32 
     33 /**
     34  * Sends bugreport-y files, adapted from fw/base/packages/Shell's BugreportReceiver.
     35  */
     36 public class FileSender {
     37 
     38     private static final String AUTHORITY = "com.android.traceur.files";
     39 
     40     public static void postNotification(Context context, File file) {
     41         // Files are kept on private storage, so turn into Uris that we can
     42         // grant temporary permissions for.
     43         final Uri traceUri = getUriForFile(context, file);
     44 
     45         Intent sendIntent = buildSendIntent(context, traceUri);
     46         sendIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     47 
     48         final Notification.Builder builder =
     49             new Notification.Builder(context, Receiver.NOTIFICATION_CHANNEL)
     50                 .setSmallIcon(R.drawable.stat_sys_adb)
     51                 .setContentTitle(context.getString(R.string.trace_saved))
     52                 .setTicker(context.getString(R.string.trace_saved))
     53                 .setContentText(context.getString(R.string.tap_to_share))
     54                 .setContentIntent(PendingIntent.getActivity(
     55                         context, traceUri.hashCode(), sendIntent, PendingIntent.FLAG_ONE_SHOT
     56                                 | PendingIntent.FLAG_CANCEL_CURRENT))
     57                 .setAutoCancel(true)
     58                 .setLocalOnly(true)
     59                 .setColor(context.getColor(
     60                         com.android.internal.R.color.system_notification_accent_color));
     61 
     62         NotificationManager.from(context).notify(file.getName(), 0, builder.build());
     63     }
     64 
     65     public static void send(Context context, File file) {
     66         // Files are kept on private storage, so turn into Uris that we can
     67         // grant temporary permissions for.
     68         final Uri traceUri = getUriForFile(context, file);
     69 
     70         Intent sendIntent = buildSendIntent(context, traceUri);
     71         sendIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
     72 
     73         context.startActivity(sendIntent);
     74     }
     75 
     76     private static Uri getUriForFile(Context context, File file) {
     77         return FileProvider.getUriForFile(context, AUTHORITY, file);
     78     }
     79 
     80     /**
     81      * Build {@link Intent} that can be used to share the given bugreport.
     82      */
     83     private static Intent buildSendIntent(Context context, Uri traceUri) {
     84         final Intent intent = new Intent(Intent.ACTION_SEND);
     85         intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
     86         intent.addCategory(Intent.CATEGORY_DEFAULT);
     87         intent.setType("application/vnd.android.systrace");
     88 
     89         intent.putExtra(Intent.EXTRA_SUBJECT, traceUri.getLastPathSegment());
     90         intent.putExtra(Intent.EXTRA_TEXT, SystemProperties.get("ro.build.description"));
     91         intent.putExtra(Intent.EXTRA_STREAM, traceUri);
     92 
     93         final Account sendToAccount = findSendToAccount(context);
     94         if (sendToAccount != null) {
     95             intent.putExtra(Intent.EXTRA_EMAIL, new String[] { sendToAccount.name });
     96         }
     97 
     98         return intent;
     99     }
    100 
    101     /**
    102      * Find the best matching {@link Account} based on build properties.
    103      */
    104     private static Account findSendToAccount(Context context) {
    105         final AccountManager am = (AccountManager) context.getSystemService(
    106                 Context.ACCOUNT_SERVICE);
    107 
    108         String preferredDomain = SystemProperties.get("sendbug.preferred.domain");
    109         if (!preferredDomain.startsWith("@")) {
    110             preferredDomain = "@" + preferredDomain;
    111         }
    112 
    113         final Account[] accounts = am.getAccounts();
    114         Account foundAccount = null;
    115         for (Account account : accounts) {
    116             if (Patterns.EMAIL_ADDRESS.matcher(account.name).matches()) {
    117                 if (!preferredDomain.isEmpty()) {
    118                     // if we have a preferred domain and it matches, return; otherwise keep
    119                     // looking
    120                     if (account.name.endsWith(preferredDomain)) {
    121                         return account;
    122                     } else {
    123                         foundAccount = account;
    124                     }
    125                     // if we don't have a preferred domain, just return since it looks like
    126                     // an email address
    127                 } else {
    128                     return account;
    129                 }
    130             }
    131         }
    132         return foundAccount;
    133     }
    134 }
    135