70 lines
2.2 KiB
Dart
70 lines
2.2 KiB
Dart
import 'package:matrix/src/room.dart';
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class MatrixWidget {
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final Room room;
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final String? creatorUserId;
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final Map<String, dynamic>? data;
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final String? id;
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final String? name;
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final String type;
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/// use [buildWidgetUrl] instead
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final String url;
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final bool waitForIframeLoad;
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MatrixWidget({
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required this.room,
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this.creatorUserId,
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this.data = const {},
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this.id,
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required this.name,
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required this.type,
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required this.url,
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this.waitForIframeLoad = false,
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});
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factory MatrixWidget.fromJson(Map<String, dynamic> json, Room room) =>
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MatrixWidget(
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room: room,
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creatorUserId:
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json.containsKey('creatorUserId') ? json['creatorUserId'] : null,
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data: json.containsKey('data') ? json['data'] : {},
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id: json.containsKey('id') ? json['id'] : null,
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name: json['name'],
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type: json['type'],
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url: json['url'],
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waitForIframeLoad: json.containsKey('waitForIframeLoad')
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? json['waitForIframeLoad']
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: false,
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);
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Future<Uri> buildWidgetUrl() async {
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// See https://github.com/matrix-org/matrix-doc/issues/1236 for a
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// description, specifically the section
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// `What does the other stuff in content mean?`
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final userProfile = await room.client.ownProfile;
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var parsedUri = url;
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// a key-value map with the strings to be replaced
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final replaceMap = {
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r'$matrix_user_id': userProfile.userId,
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r'$matrix_room_id': room.id,
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r'$matrix_display_name': userProfile.displayName ?? '',
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r'$matrix_avatar_url': userProfile.avatarUrl?.toString() ?? '',
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// removing potentially dangerous keys containing anything but
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// `[a-zA-Z0-9_-]` as well as non string values
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if (data != null)
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...Map.from(data!)
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..removeWhere((key, value) =>
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!RegExp(r'^[\w-]+$').hasMatch(key) || !value is String)
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..map((key, value) => MapEntry('\$key', value)),
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};
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replaceMap.forEach((key, value) {
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parsedUri = parsedUri.replaceAll(key, Uri.encodeComponent(value));
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});
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return Uri.parse(parsedUri);
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}
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}
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