| /* |
| * Copyright (C) 2021 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 android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.net.Uri; |
| import android.util.Log; |
| |
| import androidx.core.content.FileProvider; |
| |
| import com.android.internal.R; |
| |
| import java.io.File; |
| import java.util.List; |
| |
| /** |
| * A proxy service that relays report upload requests to the uploader app, while translating |
| * the path to the report to a content URI owned by this service. |
| */ |
| public final class ProfcollectUploadReceiver extends BroadcastReceiver { |
| private static final String AUTHORITY = "com.android.shell"; |
| private static final String PROFCOLLECT_DATA_ROOT = "/data/misc/profcollectd/report/"; |
| |
| private static final String LOG_TAG = "ProfcollectUploadReceiver"; |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| Log.i(LOG_TAG, "Received upload intent"); |
| |
| String uploaderPkg = getUploaderPackageName(context); |
| String uploaderAction = getUploaderActionName(context); |
| |
| try { |
| ApplicationInfo info = context.getPackageManager().getApplicationInfo(uploaderPkg, |
| 0); |
| if ((info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
| Log.e(LOG_TAG, "The profcollect uploader app " + uploaderPkg |
| + " must be a system application"); |
| return; |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.e(LOG_TAG, "Cannot find profcollect uploader app " + uploaderPkg); |
| return; |
| } |
| |
| String filename = intent.getStringExtra("filename"); |
| File reportFile = new File(PROFCOLLECT_DATA_ROOT + filename); |
| Uri reportUri = FileProvider.getUriForFile(context, AUTHORITY, reportFile); |
| Intent uploadIntent = |
| new Intent(uploaderAction) |
| .setPackage(uploaderPkg) |
| .putExtra("EXTRA_DESTINATION", "PROFCOLLECT") |
| .putExtra("EXTRA_PACKAGE_NAME", context.getPackageName()) |
| .setData(reportUri) |
| .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) |
| .addFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| |
| List<ResolveInfo> receivers = |
| context.getPackageManager().queryBroadcastReceivers(uploadIntent, 0); |
| if (receivers == null || receivers.isEmpty()) { |
| Log.e(LOG_TAG, "No one to receive upload intent, abort upload."); |
| return; |
| } |
| |
| context.grantUriPermission(uploaderPkg, reportUri, |
| Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| context.sendBroadcast(uploadIntent); |
| } |
| |
| private String getUploaderPackageName(Context context) { |
| return context.getResources().getString( |
| R.string.config_defaultProfcollectReportUploaderApp); |
| } |
| |
| private String getUploaderActionName(Context context) { |
| return context.getResources().getString( |
| R.string.config_defaultProfcollectReportUploaderAction); |
| } |
| } |