blob: d394eff03201189f9dda7f79e78686f06327d399 [file] [log] [blame]
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. 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:io';
import 'package:meta/meta.dart';
import 'package:path/path.dart' as path;
// ignore: implementation_imports
import 'package:usage/src/usage_impl.dart';
// ignore: implementation_imports
import 'package:usage/src/usage_impl_io.dart';
// ignore: implementation_imports
import 'package:usage/src/usage_impl_io.dart' as usage_io show getDartVersion;
import 'package:usage/usage.dart';
import 'package:usage/usage_io.dart';
export 'package:usage/usage.dart' show Analytics;
// TODO(devoncarew): Don't show the UI until we're ready to ship.
final bool showAnalyticsUI = false;
final String _dartDirectoryName = '.dart';
final String _settingsFileName = 'analytics.json';
/// Dart SDK tools with analytics should display this notice.
///
/// In addition, they should support displaying the analytics' status, and have
/// a flag to toggle analytics. This may look something like:
///
/// `Analytics are currently enabled (and can be disabled with --no-analytics).`
final String analyticsNotice =
"Dart SDK tools anonymously report feature usage statistics and basic crash\n"
"reports to help improve Dart tools over time. See Google's privacy policy:\n"
"https://www.google.com/intl/en/policies/privacy/.";
/// Return a customized message for command-line tools to display about the
/// state of analytics, and how users can enabled or disable analytics.
///
/// An example return value might be `'Analytics are currently enabled (and can
/// be disabled with --no-analytics).'`
String createAnalyticsStatusMessage(
bool enabled, {
String command = 'analytics',
}) {
String currentState = enabled ? 'enabled' : 'disabled';
String toggleState = enabled ? 'disabled' : 'enabled';
String commandToggle = enabled ? 'no-$command' : command;
return 'Analytics are currently $currentState '
'(and can be $toggleState with --$commandToggle).';
}
/// Create an [Analytics] instance with the given trackingID and
/// applicationName.
///
/// This analytics instance will share a common enablement state with the rest
/// of the Dart SDK tools.
Analytics createAnalyticsInstance(
String trackingId,
String applicationName, {
bool disableForSession = false,
bool forceEnabled = false,
}) {
final dir = getDartStorageDirectory();
if (dir == null) {
// Some systems don't support user home directories; for those, fail
// gracefully by returning a disabled analytics object.
return _DisabledAnalytics(trackingId, applicationName);
}
if (!dir.existsSync()) {
try {
dir.createSync();
} catch (e) {
// If we can't create the directory for the analytics settings, fail
// gracefully by returning a disabled analytics object.
return _DisabledAnalytics(trackingId, applicationName);
}
}
File settingsFile = File(path.join(dir.path, _settingsFileName));
return _TelemetryAnalytics(
trackingId,
applicationName,
getDartVersion(),
settingsFile,
disableForSession: disableForSession,
forceEnabled: forceEnabled,
);
}
/// The directory used to store the analytics settings file.
///
/// Typically, the directory is `~/.dart/` (and the settings file is
/// `analytics.json`).
///
/// This can return null under some conditions, including when the user's home
/// directory does not exist.
@visibleForTesting
Directory? getDartStorageDirectory() {
Directory homeDirectory = Directory(userHomeDir());
if (!homeDirectory.existsSync()) return null;
return Directory(path.join(homeDirectory.path, _dartDirectoryName));
}
/// Return the version of the Dart SDK.
String getDartVersion() => usage_io.getDartVersion();
class _TelemetryAnalytics extends AnalyticsImpl {
final bool disableForSession;
final bool forceEnabled;
_TelemetryAnalytics(
String trackingId,
String applicationName,
String applicationVersion,
File settingsFile, {
required this.disableForSession,
required this.forceEnabled,
}) : super(
trackingId,
IOPersistentProperties.fromFile(settingsFile),
IOPostHandler(),
applicationName: applicationName,
applicationVersion: applicationVersion,
) {
final locale = getPlatformLocale();
if (locale != null) {
setSessionValue('ul', locale);
}
}
@override
bool get enabled {
if (disableForSession || isRunningOnBot()) {
return false;
}
// This is only used in special cases.
if (forceEnabled) {
return true;
}
// If there's no explicit setting (enabled or disabled) then we don't send.
return (properties['enabled'] as bool?) ?? false;
}
}
class _DisabledAnalytics extends AnalyticsMock {
@override
final String trackingId;
@override
final String applicationName;
_DisabledAnalytics(this.trackingId, this.applicationName);
@override
bool get enabled => false;
}
/// Detect whether we're running on a bot or in a continuous testing
/// environment.
///
/// We should periodically keep this code up to date with:
/// https://github.com/flutter/flutter/blob/master/packages/flutter_tools/lib/src/base/bot_detector.dart#L30
/// and
/// https://github.com/flutter/flutter/blob/master/packages/flutter_tools/lib/src/reporting/usage.dart#L200.
bool isRunningOnBot() {
final Map<String, String> env = Platform.environment;
if (
// Explicitly stated to not be a bot.
env['BOT'] == 'false'
// Set by the IDEs to the IDE name, so a strong signal that this is not a bot.
||
env.containsKey('FLUTTER_HOST')
// When set, GA logs to a local file (normally for tests) so we don't need to filter.
||
env.containsKey('FLUTTER_ANALYTICS_LOG_FILE')) {
return false;
}
return env.containsKey('BOT')
// https://docs.travis-ci.com/user/environment-variables/
// Example .travis.yml file: https://github.com/flutter/devtools/blob/master/.travis.yml
||
env['TRAVIS'] == 'true' ||
env['CONTINUOUS_INTEGRATION'] == 'true' ||
env.containsKey('CI') // Travis and AppVeyor
// https://www.appveyor.com/docs/environment-variables/
||
env.containsKey('APPVEYOR')
// https://cirrus-ci.org/guide/writing-tasks/#environment-variables
||
env.containsKey('CIRRUS_CI')
// https://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref-env-vars.html
||
(env.containsKey('AWS_REGION') && env.containsKey('CODEBUILD_INITIATOR'))
// https://wiki.jenkins.io/display/JENKINS/Building+a+software+project#Buildingasoftwareproject-belowJenkinsSetEnvironmentVariables
||
env.containsKey('JENKINS_URL')
// https://help.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables#default-environment-variables
||
env.containsKey('GITHUB_ACTIONS')
// Properties on Flutter's Chrome Infra bots.
||
env['CHROME_HEADLESS'] == '1' ||
env.containsKey('BUILDBOT_BUILDERNAME') ||
env.containsKey('SWARMING_TASK_ID')
// Property when running on borg.
||
env.containsKey('BORG_ALLOC_DIR');
// TODO(jwren): Azure detection -- each call for this detection requires an
// http connection, the flutter cli tool captures the result on the first
// run, we should consider the same caching here.
}