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