124 lines
3.3 KiB
Dart
124 lines
3.3 KiB
Dart
import 'dart:math';
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class H5Line {
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const H5Line({
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required this.label,
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required this.url,
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});
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final String label;
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final String url;
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Uri get uri => Uri.parse(url);
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}
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enum Environment {
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development,
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staging,
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production,
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}
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class AppConfig {
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static const String appName = '本地打包';
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static const String appLogo = '';
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static const String flutterShellMarkerQueryKey = 'flutter_shell';
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static const String flutterShellUrlQueryKey = 'flutter_shell_url';
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static const List<String> wildcardH5DomainTemplates = [
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'*.albzyuxq.vip',
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'*.zdyswvnt.vip',
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'*.gxifpxcr.vip',
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];
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static const Environment currentEnvironment = Environment.production;
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// Kept for the packaging service's legacy domain rewrite step.
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static final Map<Environment, List<String>> _environmentHosts = {
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Environment.production: [
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'*.albzyuxq.vip',
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'*.zdyswvnt.vip',
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'*.gxifpxcr.vip',
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],
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};
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static final Random _random = Random.secure();
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static H5Line get h5Line => createRandomH5Line();
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static H5Line createRandomH5Line({
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int attempt = 0,
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String Function()? wildcardFactory,
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}) {
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final templates = _h5DomainTemplatesForCurrentEnvironment;
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final template = templates[attempt.abs() % templates.length];
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return h5LineFromUrl(
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_buildFlutterShellHomeUrl(
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_replaceWildcardHost(template, wildcardFactory: wildcardFactory),
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),
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);
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}
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static List<String> get _h5DomainTemplatesForCurrentEnvironment {
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final environmentHosts = _environmentHosts[currentEnvironment];
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if (environmentHosts == null || environmentHosts.isEmpty) {
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return wildcardH5DomainTemplates;
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}
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return environmentHosts;
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}
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static H5Line h5LineFromUrl(String value) {
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return H5Line(label: '线路1', url: _normalizeHomeUrl(value));
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}
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static String originForUrl(String value) {
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final uri = Uri.parse(value);
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return '${uri.scheme}://${uri.authority}';
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}
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static String _buildFlutterShellHomeUrl(String host) {
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final normalized = _normalizeHomeUrl(host);
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final uri = Uri.parse(normalized);
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final origin = originForUrl(normalized);
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final queryParameters = Map<String, String>.from(uri.queryParameters)
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..[flutterShellMarkerQueryKey] = '1'
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..[flutterShellUrlQueryKey] = origin;
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return uri.replace(queryParameters: queryParameters).toString();
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}
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static String _normalizeHomeUrl(String host) {
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final value = host.trim();
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if (value.isEmpty) {
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throw const FormatException('Empty H5 line URL');
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}
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final normalized =
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value.startsWith('http://') || value.startsWith('https://')
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? value
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: 'https://$value';
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final uri = Uri.parse(normalized);
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final path = uri.path.isEmpty ? '/' : uri.path;
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return uri.replace(path: path).toString();
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}
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static String _replaceWildcardHost(
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String value, {
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String Function()? wildcardFactory,
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}) {
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if (!value.contains('*.')) {
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return value;
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}
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return value.replaceAllMapped(
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'*.',
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(_) => '${(wildcardFactory ?? _randomWildcardLabel)()}.',
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);
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}
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static String _randomWildcardLabel() {
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final digits = StringBuffer(_random.nextInt(9) + 1);
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for (var index = 1; index < 16; index += 1) {
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digits.write(_random.nextInt(10));
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}
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return digits.toString();
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}
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}
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