93 lines
2.6 KiB
Dart
93 lines
2.6 KiB
Dart
import 'package:collection/collection.dart';
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import 'package:html/dom.dart';
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import 'package:html/parser.dart' as parser;
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import '../../extensions/helpers_extension.dart';
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import '../../retry.dart';
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import '../youtube_http_client.dart';
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import 'player_config_base.dart';
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///
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class EmbedPage {
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static final _playerConfigExp =
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RegExp('[\'""]PLAYER_CONFIG[\'""]\\s*:\\s*(\\{.*\\})');
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static final _playerConfigExp2 = RegExp(r'yt.setConfig\((\{.*\})');
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static final _playerConfigExp3 = RegExp(r'ytcfg.set\((\{.*\})');
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final Document root;
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late final EmbedPlayerConfig? playerConfig = getPlayerConfig();
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///
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String? get sourceUrl {
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final url = root
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.querySelectorAll('script')
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.map((e) => e.attributes['src'])
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.whereNotNull()
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.firstWhereOrNull((e) => e.contains('player_ias') && e.endsWith('.js'));
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// _root.querySelector('*[name="player_ias/base"]').attributes['src'];
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if (url == null) {
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return null;
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}
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return 'http://127.0.0.1:8080/youtube.com:443$url';
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}
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///
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EmbedPlayerConfig? getPlayerConfig() {
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var playerConfigJson =
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(_playerConfigJson3 ?? _playerConfigJson2 ?? _playerConfigJson)
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?.extractJson();
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if (playerConfigJson == null) {
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return null;
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}
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return EmbedPlayerConfig(playerConfigJson);
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}
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String? get _playerConfigJson => root
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.getElementsByTagName('script')
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.map((e) => e.text)
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.map((e) => _playerConfigExp.firstMatch(e)?.group(1))
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.firstWhereOrNull((e) => !e.isNullOrWhiteSpace);
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String? get _playerConfigJson2 => root
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.getElementsByTagName('script')
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.map((e) => e.text)
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.map((e) => _playerConfigExp2.firstMatch(e)?.group(1))
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.firstWhereOrNull((e) => !e.isNullOrWhiteSpace);
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String? get _playerConfigJson3 => root
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.getElementsByTagName('script')
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.map((e) => e.text)
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.map((e) => _playerConfigExp3.firstMatch(e)?.group(1))
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.firstWhereOrNull((e) => !e.isNullOrWhiteSpace);
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///
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EmbedPage(this.root);
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///
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EmbedPage.parse(String raw) : root = parser.parse(raw);
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///
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static Future<EmbedPage> get(YoutubeHttpClient httpClient, String videoId) {
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var url = 'http://127.0.0.1:8080/youtube.com:443/embed/$videoId?hl=en';
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// final url = 'http://localhost:8080/embed/$videoId?hl=en';
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return retry(httpClient, () async {
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var raw = await httpClient.getString(url);
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return EmbedPage.parse(raw);
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});
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}
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}
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/// Used internally
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class EmbedPlayerConfig implements PlayerConfigBase {
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@override
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final JsonMap root;
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///
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EmbedPlayerConfig(this.root);
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@override
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String get sourceUrl =>
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'http://127.0.0.1:8080/youtube.com:443${root['assets']['js']}';
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}
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