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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'dart:io';
import 'package:flutter_devicelab/framework/apk_utils.dart';
import 'package:flutter_devicelab/framework/framework.dart';
import 'package:flutter_devicelab/framework/ios.dart';
import 'package:flutter_devicelab/framework/utils.dart';
import 'package:path/path.dart' as path;
Future<void> main() async {
await task(() async {
try {
bool foundProjectName = false;
bool bitcode = false;
await runProjectTest((FlutterProject flutterProject) async {
section('Build app with with --obfuscate');
await inDirectory(flutterProject.rootPath, () async {
await flutter('build', options: <String>[
'ios',
'--release',
'--obfuscate',
'--split-debug-info=foo/',
'--no-codesign',
]);
});
final String buildPath = path.join(
flutterProject.rootPath,
'build',
'ios',
'iphoneos',
);
final String outputAppPath = path.join(
buildPath,
'Runner.app',
);
final Directory outputAppFramework = Directory(path.join(
outputAppPath,
'Frameworks',
'App.framework',
));
final File outputAppFrameworkBinary = File(path.join(
outputAppFramework.path,
'App',
));
if (!outputAppFrameworkBinary.existsSync()) {
fail('Failed to produce expected output at ${outputAppFrameworkBinary.path}');
}
section('Validate obfuscation');
// Verify that an identifier from the Dart project code is not present
// in the compiled binary.
await inDirectory(flutterProject.rootPath, () async {
final String response = await eval(
'grep',
<String>[flutterProject.name, outputAppFrameworkBinary.path],
canFail: true,
);
if (response.trim().contains('matches')) {
foundProjectName = true;
}
});
section('Validate bitcode');
final Directory outputFlutterFramework = Directory(path.join(
flutterProject.rootPath,
outputAppPath,
'Frameworks',
'Flutter.framework',
));
final File outputFlutterFrameworkBinary = File(path.join(
outputFlutterFramework.path,
'Flutter',
));
if (!outputFlutterFrameworkBinary.existsSync()) {
fail('Failed to produce expected output at ${outputFlutterFrameworkBinary.path}');
}
bitcode = await containsBitcode(outputFlutterFrameworkBinary.path);
section('Xcode backend script');
outputFlutterFramework.deleteSync(recursive: true);
outputAppFramework.deleteSync(recursive: true);
if (outputFlutterFramework.existsSync() || outputAppFramework.existsSync()) {
fail('Failed to delete embedded frameworks');
}
final String xcodeBackendPath = path.join(
flutterDirectory.path,
'packages',
'flutter_tools',
'bin',
'xcode_backend.sh'
);
// Simulate a commonly Xcode build setting misconfiguration
// where FLUTTER_APPLICATION_PATH is missing
final int result = await exec(
xcodeBackendPath,
<String>['embed_and_thin'],
environment: <String, String>{
'SOURCE_ROOT': flutterProject.iosPath,
'TARGET_BUILD_DIR': buildPath,
'FRAMEWORKS_FOLDER_PATH': 'Runner.app/Frameworks',
'VERBOSE_SCRIPT_LOGGING': '1',
'ACTION': 'install', // Skip bitcode stripping since we just checked that above.
},
);
if (result != 0) {
fail('xcode_backend embed_and_thin failed');
}
if (!outputFlutterFrameworkBinary.existsSync()) {
fail('Failed to re-embed ${outputFlutterFrameworkBinary.path}');
}
if (!outputAppFrameworkBinary.existsSync()) {
fail('Failed to re-embed ${outputAppFrameworkBinary.path}');
}
});
if (foundProjectName) {
return TaskResult.failure('Found project name in obfuscated dart library');
}
// Archiving should contain a bitcode blob, but not building in release.
// This mimics Xcode behavior and present a developer from having to install a
// 300+MB app to test devices.
if (bitcode) {
return TaskResult.failure('Bitcode present in Flutter.framework');
}
return TaskResult.success(null);
} on TaskResult catch (taskResult) {
return taskResult;
} catch (e) {
return TaskResult.failure(e.toString());
}
});
}