718 lines
25 KiB
Dart
718 lines
25 KiB
Dart
/*
|
|
* Famedly Matrix SDK
|
|
* Copyright (C) 2019, 2020 Famedly GmbH
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
import 'dart:convert';
|
|
import 'dart:typed_data';
|
|
import 'package:famedlysdk/famedlysdk.dart';
|
|
import 'package:famedlysdk/encryption.dart';
|
|
import 'package:famedlysdk/src/utils/receipt.dart';
|
|
import 'package:http/http.dart' as http;
|
|
import 'package:matrix_file_e2ee/matrix_file_e2ee.dart';
|
|
import '../matrix_api.dart';
|
|
import './room.dart';
|
|
import 'utils/matrix_localizations.dart';
|
|
import './database/database.dart' show DbRoomState, DbEvent;
|
|
|
|
abstract class RelationshipTypes {
|
|
static const String Reply = 'm.in_reply_to';
|
|
static const String Edit = 'm.replace';
|
|
static const String Reaction = 'm.annotation';
|
|
}
|
|
|
|
/// All data exchanged over Matrix is expressed as an "event". Typically each client action (e.g. sending a message) correlates with exactly one event.
|
|
class Event extends MatrixEvent {
|
|
User get sender => room.getUserByMXIDSync(senderId ?? '@unknown');
|
|
|
|
@Deprecated('Use [originServerTs] instead')
|
|
DateTime get time => originServerTs;
|
|
|
|
@Deprecated('Use [type] instead')
|
|
String get typeKey => type;
|
|
|
|
/// The room this event belongs to. May be null.
|
|
final Room room;
|
|
|
|
/// The status of this event.
|
|
/// -1=ERROR
|
|
/// 0=SENDING
|
|
/// 1=SENT
|
|
/// 2=TIMELINE
|
|
/// 3=ROOM_STATE
|
|
int status;
|
|
|
|
static const int defaultStatus = 2;
|
|
static const Map<String, int> STATUS_TYPE = {
|
|
'ERROR': -1,
|
|
'SENDING': 0,
|
|
'SENT': 1,
|
|
'TIMELINE': 2,
|
|
'ROOM_STATE': 3,
|
|
};
|
|
|
|
/// Optional. The event that redacted this event, if any. Otherwise null.
|
|
Event get redactedBecause =>
|
|
unsigned != null && unsigned['redacted_because'] is Map
|
|
? Event.fromJson(unsigned['redacted_because'], room)
|
|
: null;
|
|
|
|
bool get redacted => redactedBecause != null;
|
|
|
|
User get stateKeyUser => room.getUserByMXIDSync(stateKey);
|
|
|
|
double sortOrder;
|
|
|
|
Event(
|
|
{this.status = defaultStatus,
|
|
Map<String, dynamic> content,
|
|
String type,
|
|
String eventId,
|
|
String roomId,
|
|
String senderId,
|
|
DateTime originServerTs,
|
|
Map<String, dynamic> unsigned,
|
|
Map<String, dynamic> prevContent,
|
|
String stateKey,
|
|
this.room,
|
|
this.sortOrder = 0.0}) {
|
|
this.content = content;
|
|
this.type = type;
|
|
this.eventId = eventId;
|
|
this.roomId = roomId ?? room?.id;
|
|
this.senderId = senderId;
|
|
this.unsigned = unsigned;
|
|
// synapse unfortunatley isn't following the spec and tosses the prev_content
|
|
// into the unsigned block
|
|
this.prevContent = prevContent != null && prevContent.isNotEmpty
|
|
? prevContent
|
|
: (unsigned != null && unsigned['prev_content'] is Map
|
|
? unsigned['prev_content']
|
|
: null);
|
|
this.stateKey = stateKey;
|
|
this.originServerTs = originServerTs;
|
|
}
|
|
|
|
static Map<String, dynamic> getMapFromPayload(dynamic payload) {
|
|
if (payload is String) {
|
|
try {
|
|
return json.decode(payload);
|
|
} catch (e) {
|
|
return {};
|
|
}
|
|
}
|
|
if (payload is Map<String, dynamic>) return payload;
|
|
return {};
|
|
}
|
|
|
|
factory Event.fromMatrixEvent(
|
|
MatrixEvent matrixEvent,
|
|
Room room, {
|
|
double sortOrder,
|
|
int status,
|
|
}) =>
|
|
Event(
|
|
status: status,
|
|
content: matrixEvent.content,
|
|
type: matrixEvent.type,
|
|
eventId: matrixEvent.eventId,
|
|
roomId: room.id,
|
|
senderId: matrixEvent.senderId,
|
|
originServerTs: matrixEvent.originServerTs,
|
|
unsigned: matrixEvent.unsigned,
|
|
prevContent: matrixEvent.prevContent,
|
|
stateKey: matrixEvent.stateKey,
|
|
room: room,
|
|
sortOrder: sortOrder,
|
|
);
|
|
|
|
/// Get a State event from a table row or from the event stream.
|
|
factory Event.fromJson(Map<String, dynamic> jsonPayload, Room room,
|
|
[double sortOrder]) {
|
|
final content = Event.getMapFromPayload(jsonPayload['content']);
|
|
final unsigned = Event.getMapFromPayload(jsonPayload['unsigned']);
|
|
final prevContent = Event.getMapFromPayload(jsonPayload['prev_content']);
|
|
return Event(
|
|
status: jsonPayload['status'] ??
|
|
unsigned[MessageSendingStatusKey] ??
|
|
defaultStatus,
|
|
stateKey: jsonPayload['state_key'],
|
|
prevContent: prevContent,
|
|
content: content,
|
|
type: jsonPayload['type'],
|
|
eventId: jsonPayload['event_id'],
|
|
roomId: jsonPayload['room_id'],
|
|
senderId: jsonPayload['sender'],
|
|
originServerTs: jsonPayload.containsKey('origin_server_ts')
|
|
? DateTime.fromMillisecondsSinceEpoch(jsonPayload['origin_server_ts'])
|
|
: DateTime.now(),
|
|
unsigned: unsigned,
|
|
room: room,
|
|
sortOrder: sortOrder ?? 0.0,
|
|
);
|
|
}
|
|
|
|
/// Get an event from either DbRoomState or DbEvent
|
|
factory Event.fromDb(dynamic dbEntry, Room room) {
|
|
if (!(dbEntry is DbRoomState || dbEntry is DbEvent)) {
|
|
throw ('Unknown db type');
|
|
}
|
|
final content = Event.getMapFromPayload(dbEntry.content);
|
|
final unsigned = Event.getMapFromPayload(dbEntry.unsigned);
|
|
final prevContent = Event.getMapFromPayload(dbEntry.prevContent);
|
|
return Event(
|
|
status: (dbEntry is DbEvent ? dbEntry.status : null) ?? defaultStatus,
|
|
stateKey: dbEntry.stateKey,
|
|
prevContent: prevContent,
|
|
content: content,
|
|
type: dbEntry.type,
|
|
eventId: dbEntry.eventId,
|
|
roomId: dbEntry.roomId,
|
|
senderId: dbEntry.sender,
|
|
originServerTs: dbEntry.originServerTs ?? DateTime.now(),
|
|
unsigned: unsigned,
|
|
room: room,
|
|
sortOrder: dbEntry.sortOrder ?? 0.0,
|
|
);
|
|
}
|
|
|
|
@override
|
|
Map<String, dynamic> toJson() {
|
|
final data = <String, dynamic>{};
|
|
if (stateKey != null) data['state_key'] = stateKey;
|
|
if (prevContent != null && prevContent.isNotEmpty) {
|
|
data['prev_content'] = prevContent;
|
|
}
|
|
data['content'] = content;
|
|
data['type'] = type;
|
|
data['event_id'] = eventId;
|
|
data['room_id'] = roomId;
|
|
data['sender'] = senderId;
|
|
data['origin_server_ts'] = originServerTs.millisecondsSinceEpoch;
|
|
if (unsigned != null && unsigned.isNotEmpty) {
|
|
data['unsigned'] = unsigned;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
User get asUser => User.fromState(
|
|
stateKey: stateKey,
|
|
prevContent: prevContent,
|
|
content: content,
|
|
typeKey: type,
|
|
eventId: eventId,
|
|
roomId: roomId,
|
|
senderId: senderId,
|
|
originServerTs: originServerTs,
|
|
unsigned: unsigned,
|
|
room: room);
|
|
|
|
String get messageType => content['msgtype'] ?? MessageTypes.Text;
|
|
|
|
void setRedactionEvent(Event redactedBecause) {
|
|
unsigned = {
|
|
'redacted_because': redactedBecause.toJson(),
|
|
};
|
|
prevContent = null;
|
|
var contentKeyWhiteList = <String>[];
|
|
switch (type) {
|
|
case EventTypes.RoomMember:
|
|
contentKeyWhiteList.add('membership');
|
|
break;
|
|
case EventTypes.RoomCreate:
|
|
contentKeyWhiteList.add('creator');
|
|
break;
|
|
case EventTypes.RoomJoinRules:
|
|
contentKeyWhiteList.add('join_rule');
|
|
break;
|
|
case EventTypes.RoomPowerLevels:
|
|
contentKeyWhiteList.add('ban');
|
|
contentKeyWhiteList.add('events');
|
|
contentKeyWhiteList.add('events_default');
|
|
contentKeyWhiteList.add('kick');
|
|
contentKeyWhiteList.add('redact');
|
|
contentKeyWhiteList.add('state_default');
|
|
contentKeyWhiteList.add('users');
|
|
contentKeyWhiteList.add('users_default');
|
|
break;
|
|
case EventTypes.RoomAliases:
|
|
contentKeyWhiteList.add('aliases');
|
|
break;
|
|
case EventTypes.HistoryVisibility:
|
|
contentKeyWhiteList.add('history_visibility');
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
var toRemoveList = <String>[];
|
|
for (var entry in content.entries) {
|
|
if (!contentKeyWhiteList.contains(entry.key)) {
|
|
toRemoveList.add(entry.key);
|
|
}
|
|
}
|
|
toRemoveList.forEach((s) => content.remove(s));
|
|
}
|
|
|
|
/// Returns the body of this event if it has a body.
|
|
String get text => content['body'] ?? '';
|
|
|
|
/// Returns the formatted boy of this event if it has a formatted body.
|
|
String get formattedText => content['formatted_body'] ?? '';
|
|
|
|
/// Use this to get the body.
|
|
String get body {
|
|
if (redacted) return 'Redacted';
|
|
if (text != '') return text;
|
|
if (formattedText != '') return formattedText;
|
|
return '$type';
|
|
}
|
|
|
|
/// Returns a list of [Receipt] instances for this event.
|
|
List<Receipt> get receipts {
|
|
if (!(room.roomAccountData.containsKey('m.receipt'))) return [];
|
|
var receiptsList = <Receipt>[];
|
|
for (var entry in room.roomAccountData['m.receipt'].content.entries) {
|
|
if (entry.value['event_id'] == eventId) {
|
|
receiptsList.add(Receipt(room.getUserByMXIDSync(entry.key),
|
|
DateTime.fromMillisecondsSinceEpoch(entry.value['ts'])));
|
|
}
|
|
}
|
|
return receiptsList;
|
|
}
|
|
|
|
/// Removes this event if the status is < 1. This event will just be removed
|
|
/// from the database and the timelines. Returns false if not removed.
|
|
Future<bool> remove() async {
|
|
if (status < 1) {
|
|
await room.client.database?.removeEvent(room.client.id, eventId, room.id);
|
|
|
|
room.client.onEvent.add(EventUpdate(
|
|
roomID: room.id,
|
|
type: 'timeline',
|
|
eventType: type,
|
|
content: {
|
|
'event_id': eventId,
|
|
'status': -2,
|
|
'content': {'body': 'Removed...'}
|
|
},
|
|
sortOrder: sortOrder));
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// Try to send this event again. Only works with events of status -1.
|
|
Future<String> sendAgain({String txid}) async {
|
|
if (status != -1) return null;
|
|
// we do not remove the event here. It will automatically be updated
|
|
// in the `sendEvent` method to transition -1 -> 0 -> 1 -> 2
|
|
final eventID = await room.sendEvent(
|
|
content,
|
|
txid: txid ?? unsigned['transaction_id'],
|
|
);
|
|
return eventID;
|
|
}
|
|
|
|
/// Whether the client is allowed to redact this event.
|
|
bool get canRedact => senderId == room.client.userID || room.canRedact;
|
|
|
|
/// Redacts this event. Returns [ErrorResponse] on error.
|
|
Future<dynamic> redact({String reason, String txid}) =>
|
|
room.redactEvent(eventId, reason: reason, txid: txid);
|
|
|
|
/// Searches for the reply event in the given timeline.
|
|
Future<Event> getReplyEvent(Timeline timeline) async {
|
|
if (relationshipType != RelationshipTypes.Reply) return null;
|
|
return await timeline.getEventById(relationshipEventId);
|
|
}
|
|
|
|
/// If this event is encrypted and the decryption was not successful because
|
|
/// the session is unknown, this requests the session key from other devices
|
|
/// in the room. If the event is not encrypted or the decryption failed because
|
|
/// of a different error, this throws an exception.
|
|
Future<void> requestKey() async {
|
|
if (type != EventTypes.Encrypted ||
|
|
messageType != MessageTypes.BadEncrypted ||
|
|
content['can_request_session'] != true) {
|
|
throw ('Session key not requestable');
|
|
}
|
|
await room.requestSessionKey(content['session_id'], content['sender_key']);
|
|
return;
|
|
}
|
|
|
|
bool get hasThumbnail =>
|
|
content['info'] is Map<String, dynamic> &&
|
|
(content['info']['thumbnail_url'] is String ||
|
|
content['info']['thumbnail_file'] is Map);
|
|
|
|
/// Downloads (and decryptes if necessary) the attachment of this
|
|
/// event and returns it as a [MatrixFile]. If this event doesn't
|
|
/// contain an attachment, this throws an error. Set [getThumbnail] to
|
|
/// true to download the thumbnail instead.
|
|
Future<MatrixFile> downloadAndDecryptAttachment(
|
|
{bool getThumbnail = false}) async {
|
|
if (![EventTypes.Message, EventTypes.Sticker].contains(type)) {
|
|
throw ("This event has the type '$type' and so it can't contain an attachment.");
|
|
}
|
|
if (!getThumbnail &&
|
|
!(content['url'] is String) &&
|
|
!(content['file'] is Map)) {
|
|
throw ("This event hasn't any attachment.");
|
|
}
|
|
if (getThumbnail && !hasThumbnail) {
|
|
throw ("This event hasn't any thumbnail.");
|
|
}
|
|
final isEncrypted = getThumbnail
|
|
? !(content['info']['thumbnail_url'] is String)
|
|
: !(content['url'] is String);
|
|
|
|
if (isEncrypted && !room.client.encryptionEnabled) {
|
|
throw ('Encryption is not enabled in your Client.');
|
|
}
|
|
var mxContent = getThumbnail
|
|
? Uri.parse(isEncrypted
|
|
? content['info']['thumbnail_file']['url']
|
|
: content['info']['thumbnail_url'])
|
|
: Uri.parse(isEncrypted ? content['file']['url'] : content['url']);
|
|
|
|
Uint8List uint8list;
|
|
|
|
// Is this file storeable?
|
|
final infoMap =
|
|
getThumbnail ? content['info']['thumbnail_info'] : content['info'];
|
|
final storeable = room.client.database != null &&
|
|
infoMap is Map<String, dynamic> &&
|
|
infoMap['size'] is int &&
|
|
infoMap['size'] <= room.client.database.maxFileSize;
|
|
|
|
if (storeable) {
|
|
uint8list = await room.client.database.getFile(mxContent.toString());
|
|
}
|
|
|
|
// Download the file
|
|
if (uint8list == null) {
|
|
uint8list =
|
|
(await http.get(mxContent.getDownloadLink(room.client))).bodyBytes;
|
|
if (storeable) {
|
|
await room.client.database
|
|
.storeFile(mxContent.toString(), uint8list, DateTime.now());
|
|
}
|
|
}
|
|
|
|
// Decrypt the file
|
|
if (isEncrypted) {
|
|
final fileMap =
|
|
getThumbnail ? content['info']['thumbnail_file'] : content['file'];
|
|
if (!fileMap['key']['key_ops'].contains('decrypt')) {
|
|
throw ("Missing 'decrypt' in 'key_ops'.");
|
|
}
|
|
final encryptedFile = EncryptedFile();
|
|
encryptedFile.data = uint8list;
|
|
encryptedFile.iv = fileMap['iv'];
|
|
encryptedFile.k = fileMap['key']['k'];
|
|
encryptedFile.sha256 = fileMap['hashes']['sha256'];
|
|
uint8list = await decryptFile(encryptedFile);
|
|
}
|
|
return MatrixFile(bytes: uint8list, name: body);
|
|
}
|
|
|
|
/// Returns a localized String representation of this event. For a
|
|
/// room list you may find [withSenderNamePrefix] useful. Set [hideReply] to
|
|
/// crop all lines starting with '>'.
|
|
String getLocalizedBody(MatrixLocalizations i18n,
|
|
{bool withSenderNamePrefix = false, bool hideReply = false}) {
|
|
if (redacted) {
|
|
return i18n.removedBy(redactedBecause.sender.calcDisplayname());
|
|
}
|
|
var localizedBody = body;
|
|
final senderName = sender.calcDisplayname();
|
|
switch (type) {
|
|
case EventTypes.Sticker:
|
|
localizedBody = i18n.sentASticker(senderName);
|
|
break;
|
|
case EventTypes.Redaction:
|
|
localizedBody = i18n.redactedAnEvent(senderName);
|
|
break;
|
|
case EventTypes.RoomAliases:
|
|
localizedBody = i18n.changedTheRoomAliases(senderName);
|
|
break;
|
|
case EventTypes.RoomCanonicalAlias:
|
|
localizedBody = i18n.changedTheRoomInvitationLink(senderName);
|
|
break;
|
|
case EventTypes.RoomCreate:
|
|
localizedBody = i18n.createdTheChat(senderName);
|
|
break;
|
|
case EventTypes.RoomTombstone:
|
|
localizedBody = i18n.roomHasBeenUpgraded;
|
|
break;
|
|
case EventTypes.RoomJoinRules:
|
|
var joinRules = JoinRules.values.firstWhere(
|
|
(r) =>
|
|
r.toString().replaceAll('JoinRules.', '') ==
|
|
content['join_rule'],
|
|
orElse: () => null);
|
|
if (joinRules == null) {
|
|
localizedBody = i18n.changedTheJoinRules(senderName);
|
|
} else {
|
|
localizedBody = i18n.changedTheJoinRulesTo(
|
|
senderName, joinRules.getLocalizedString(i18n));
|
|
}
|
|
break;
|
|
case EventTypes.RoomMember:
|
|
var text = 'Failed to parse member event';
|
|
final targetName = stateKeyUser.calcDisplayname();
|
|
// Has the membership changed?
|
|
final newMembership = content['membership'] ?? '';
|
|
final oldMembership =
|
|
unsigned != null && unsigned['prev_content'] is Map<String, dynamic>
|
|
? unsigned['prev_content']['membership'] ?? ''
|
|
: '';
|
|
if (newMembership != oldMembership) {
|
|
if (oldMembership == 'invite' && newMembership == 'join') {
|
|
text = i18n.acceptedTheInvitation(targetName);
|
|
} else if (oldMembership == 'invite' && newMembership == 'leave') {
|
|
if (stateKey == senderId) {
|
|
text = i18n.rejectedTheInvitation(targetName);
|
|
} else {
|
|
text = i18n.hasWithdrawnTheInvitationFor(senderName, targetName);
|
|
}
|
|
} else if (oldMembership == 'leave' && newMembership == 'join') {
|
|
text = i18n.joinedTheChat(targetName);
|
|
} else if (oldMembership == 'join' && newMembership == 'ban') {
|
|
text = i18n.kickedAndBanned(senderName, targetName);
|
|
} else if (oldMembership == 'join' &&
|
|
newMembership == 'leave' &&
|
|
stateKey != senderId) {
|
|
text = i18n.kicked(senderName, targetName);
|
|
} else if (oldMembership == 'join' &&
|
|
newMembership == 'leave' &&
|
|
stateKey == senderId) {
|
|
text = i18n.userLeftTheChat(targetName);
|
|
} else if (oldMembership == 'invite' && newMembership == 'ban') {
|
|
text = i18n.bannedUser(senderName, targetName);
|
|
} else if (oldMembership == 'leave' && newMembership == 'ban') {
|
|
text = i18n.bannedUser(senderName, targetName);
|
|
} else if (oldMembership == 'ban' && newMembership == 'leave') {
|
|
text = i18n.unbannedUser(senderName, targetName);
|
|
} else if (newMembership == 'invite') {
|
|
text = i18n.invitedUser(senderName, targetName);
|
|
} else if (newMembership == 'join') {
|
|
text = i18n.joinedTheChat(targetName);
|
|
}
|
|
} else if (newMembership == 'join') {
|
|
final newAvatar = content['avatar_url'] ?? '';
|
|
final oldAvatar = unsigned != null &&
|
|
unsigned['prev_content'] is Map<String, dynamic>
|
|
? unsigned['prev_content']['avatar_url'] ?? ''
|
|
: '';
|
|
|
|
final newDisplayname = content['displayname'] ?? '';
|
|
final oldDisplayname = unsigned != null &&
|
|
unsigned['prev_content'] is Map<String, dynamic>
|
|
? unsigned['prev_content']['displayname'] ?? ''
|
|
: '';
|
|
|
|
// Has the user avatar changed?
|
|
if (newAvatar != oldAvatar) {
|
|
text = i18n.changedTheProfileAvatar(targetName);
|
|
}
|
|
// Has the user avatar changed?
|
|
else if (newDisplayname != oldDisplayname) {
|
|
text = i18n.changedTheDisplaynameTo(targetName, newDisplayname);
|
|
}
|
|
}
|
|
localizedBody = text;
|
|
break;
|
|
case EventTypes.RoomPowerLevels:
|
|
localizedBody = i18n.changedTheChatPermissions(senderName);
|
|
break;
|
|
case EventTypes.RoomName:
|
|
localizedBody = i18n.changedTheChatNameTo(senderName, content['name']);
|
|
break;
|
|
case EventTypes.RoomTopic:
|
|
localizedBody =
|
|
i18n.changedTheChatDescriptionTo(senderName, content['topic']);
|
|
break;
|
|
case EventTypes.RoomAvatar:
|
|
localizedBody = i18n.changedTheChatAvatar(senderName);
|
|
break;
|
|
case EventTypes.GuestAccess:
|
|
var guestAccess = GuestAccess.values.firstWhere(
|
|
(r) =>
|
|
r.toString().replaceAll('GuestAccess.', '') ==
|
|
content['guest_access'],
|
|
orElse: () => null);
|
|
if (guestAccess == null) {
|
|
localizedBody = i18n.changedTheGuestAccessRules(senderName);
|
|
} else {
|
|
localizedBody = i18n.changedTheGuestAccessRulesTo(
|
|
senderName, guestAccess.getLocalizedString(i18n));
|
|
}
|
|
break;
|
|
case EventTypes.HistoryVisibility:
|
|
var historyVisibility = HistoryVisibility.values.firstWhere(
|
|
(r) =>
|
|
r.toString().replaceAll('HistoryVisibility.', '') ==
|
|
content['history_visibility'],
|
|
orElse: () => null);
|
|
if (historyVisibility == null) {
|
|
localizedBody = i18n.changedTheHistoryVisibility(senderName);
|
|
} else {
|
|
localizedBody = i18n.changedTheHistoryVisibilityTo(
|
|
senderName, historyVisibility.getLocalizedString(i18n));
|
|
}
|
|
break;
|
|
case EventTypes.Encryption:
|
|
localizedBody = i18n.activatedEndToEndEncryption(senderName);
|
|
if (!room.client.encryptionEnabled) {
|
|
localizedBody += '. ' + i18n.needPantalaimonWarning;
|
|
}
|
|
break;
|
|
case EventTypes.Encrypted:
|
|
case EventTypes.Message:
|
|
switch (messageType) {
|
|
case MessageTypes.Image:
|
|
localizedBody = i18n.sentAPicture(senderName);
|
|
break;
|
|
case MessageTypes.File:
|
|
localizedBody = i18n.sentAFile(senderName);
|
|
break;
|
|
case MessageTypes.Audio:
|
|
localizedBody = i18n.sentAnAudio(senderName);
|
|
break;
|
|
case MessageTypes.Video:
|
|
localizedBody = i18n.sentAVideo(senderName);
|
|
break;
|
|
case MessageTypes.Location:
|
|
localizedBody = i18n.sharedTheLocation(senderName);
|
|
break;
|
|
case MessageTypes.Sticker:
|
|
localizedBody = i18n.sentASticker(senderName);
|
|
break;
|
|
case MessageTypes.Emote:
|
|
localizedBody = '* $body';
|
|
break;
|
|
case MessageTypes.BadEncrypted:
|
|
String errorText;
|
|
switch (body) {
|
|
case DecryptError.CHANNEL_CORRUPTED:
|
|
errorText = i18n.channelCorruptedDecryptError + '.';
|
|
break;
|
|
case DecryptError.NOT_ENABLED:
|
|
errorText = i18n.encryptionNotEnabled + '.';
|
|
break;
|
|
case DecryptError.UNKNOWN_ALGORITHM:
|
|
errorText = i18n.unknownEncryptionAlgorithm + '.';
|
|
break;
|
|
case DecryptError.UNKNOWN_SESSION:
|
|
errorText = i18n.noPermission + '.';
|
|
break;
|
|
default:
|
|
errorText = body;
|
|
break;
|
|
}
|
|
localizedBody = i18n.couldNotDecryptMessage(errorText);
|
|
break;
|
|
case MessageTypes.Text:
|
|
case MessageTypes.Notice:
|
|
case MessageTypes.None:
|
|
localizedBody = body;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
localizedBody = i18n.unknownEvent(type);
|
|
}
|
|
|
|
// Hide reply fallback
|
|
if (hideReply) {
|
|
localizedBody = localizedBody.replaceFirst(
|
|
RegExp(r'^>( \*)? <[^>]+>[^\n\r]+\r?\n(> [^\n]*\r?\n)*\r?\n'), '');
|
|
}
|
|
|
|
// Add the sender name prefix
|
|
if (withSenderNamePrefix &&
|
|
type == EventTypes.Message &&
|
|
textOnlyMessageTypes.contains(messageType)) {
|
|
final senderNameOrYou =
|
|
senderId == room.client.userID ? i18n.you : senderName;
|
|
localizedBody = '$senderNameOrYou: $localizedBody';
|
|
}
|
|
|
|
return localizedBody;
|
|
}
|
|
|
|
static const Set<String> textOnlyMessageTypes = {
|
|
MessageTypes.Text,
|
|
MessageTypes.Notice,
|
|
MessageTypes.Emote,
|
|
MessageTypes.None,
|
|
};
|
|
|
|
/// returns if this event matches the passed event or transaction id
|
|
bool matchesEventOrTransactionId(String search) {
|
|
if (search == null) {
|
|
return false;
|
|
}
|
|
if (eventId == search) {
|
|
return true;
|
|
}
|
|
return unsigned != null && unsigned['transaction_id'] == search;
|
|
}
|
|
|
|
/// Get the relationship type of an event. `null` if there is none
|
|
String get relationshipType {
|
|
if (content == null || !(content['m.relates_to'] is Map)) {
|
|
return null;
|
|
}
|
|
if (content['m.relates_to'].containsKey('rel_type')) {
|
|
return content['m.relates_to']['rel_type'];
|
|
}
|
|
if (content['m.relates_to'].containsKey('m.in_reply_to')) {
|
|
return RelationshipTypes.Reply;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// Get the event ID that this relationship will reference. `null` if there is none
|
|
String get relationshipEventId {
|
|
if (content == null || !(content['m.relates_to'] is Map)) {
|
|
return null;
|
|
}
|
|
if (content['m.relates_to'].containsKey('event_id')) {
|
|
return content['m.relates_to']['event_id'];
|
|
}
|
|
if (content['m.relates_to']['m.in_reply_to'] is Map &&
|
|
content['m.relates_to']['m.in_reply_to'].containsKey('event_id')) {
|
|
return content['m.relates_to']['m.in_reply_to']['event_id'];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/// Get wether this event has aggregated events from a certain [type]
|
|
/// To be able to do that you need to pass a [timeline]
|
|
bool hasAggregatedEvents(Timeline timeline, String type) =>
|
|
timeline.aggregatedEvents.containsKey(eventId) &&
|
|
timeline.aggregatedEvents[eventId].containsKey(type);
|
|
|
|
/// Get all the aggregated event objects for a given [type]. To be able to do this
|
|
/// you have to pass a [timeline]
|
|
Set<Event> aggregatedEvents(Timeline timeline, String type) =>
|
|
hasAggregatedEvents(timeline, type)
|
|
? timeline.aggregatedEvents[eventId][type]
|
|
: <Event>{};
|
|
}
|