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/*
* 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);
}
}
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