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56 lines
1.9 KiB
Dart
56 lines
1.9 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'doctor.dart';
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import 'globals.dart' as globals;
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class ProxyValidator extends DoctorValidator {
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ProxyValidator() : super('Proxy Configuration');
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static bool get shouldShow => _getEnv('HTTP_PROXY').isNotEmpty;
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final String _httpProxy = _getEnv('HTTP_PROXY');
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final String _noProxy = _getEnv('NO_PROXY');
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/// Gets a trimmed, non-null environment variable. If the variable is not set
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/// an empty string will be returned. Checks for the lowercase version of the
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/// environment variable first, then uppercase to match Dart's HTTP implementation.
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static String _getEnv(String key) =>
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globals.platform.environment[key.toLowerCase()]?.trim() ??
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globals.platform.environment[key.toUpperCase()]?.trim() ??
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'';
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@override
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Future<ValidationResult> validate() async {
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final List<ValidationMessage> messages = <ValidationMessage>[];
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if (_httpProxy.isNotEmpty) {
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messages.add(ValidationMessage('HTTP_PROXY is set'));
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if (_noProxy.isEmpty) {
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messages.add(ValidationMessage.hint('NO_PROXY is not set'));
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} else {
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messages.add(ValidationMessage('NO_PROXY is $_noProxy'));
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for (final String host in const <String>['127.0.0.1', 'localhost']) {
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final ValidationMessage msg = _noProxy.contains(host)
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? ValidationMessage('NO_PROXY contains $host')
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: ValidationMessage.hint('NO_PROXY does not contain $host');
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messages.add(msg);
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}
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}
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}
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final bool hasIssues =
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messages.any((ValidationMessage msg) => msg.isHint || msg.isHint);
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return ValidationResult(
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hasIssues ? ValidationType.partial : ValidationType.installed,
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messages,
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);
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}
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}
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