1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
|
using Gee;
using Xmpp;
using Dino.Entities;
namespace Dino {
public class MessageProcessor : StreamInteractionModule, Object {
public static ModuleIdentity<MessageProcessor> IDENTITY = new ModuleIdentity<MessageProcessor>("message_processor");
public string id { get { return IDENTITY.id; } }
public signal void message_received(Entities.Message message, Conversation conversation);
public signal void build_message_stanza(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation);
public signal void pre_message_send(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation);
public signal void message_sent(Entities.Message message, Conversation conversation);
public MessageListenerHolder received_pipeline = new MessageListenerHolder();
private StreamInteractor stream_interactor;
private Database db;
private Object lock_send_unsent;
public static void start(StreamInteractor stream_interactor, Database db) {
MessageProcessor m = new MessageProcessor(stream_interactor, db);
stream_interactor.add_module(m);
}
private MessageProcessor(StreamInteractor stream_interactor, Database db) {
this.stream_interactor = stream_interactor;
this.db = db;
stream_interactor.account_added.connect(on_account_added);
stream_interactor.connection_manager.connection_state_changed.connect((account, state) => {
if (state == ConnectionManager.ConnectionState.CONNECTED) send_unsent_messages(account);
});
received_pipeline.connect(new DeduplicateMessageListener(db));
received_pipeline.connect(new StoreMessageListener(stream_interactor));
received_pipeline.connect(new MamMessageListener(stream_interactor));
}
public void send_message(string text, Conversation conversation) {
Entities.Message message = create_out_message(text, conversation);
stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
send_xmpp_message(message, conversation);
message_sent(message, conversation);
}
public void send_unsent_messages(Account account, Jid? jid = null) {
Gee.List<Entities.Message> unsend_messages = db.get_unsend_messages(account, jid);
foreach (Entities.Message message in unsend_messages) {
Conversation? msg_conv = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart, account);
if (msg_conv != null) {
send_xmpp_message(message, msg_conv, true);
}
}
}
private void on_account_added(Account account) {
stream_interactor.module_manager.get_module(account, Xmpp.MessageModule.IDENTITY).received_message.connect( (stream, message) => {
on_message_received.begin(account, message);
});
stream_interactor.module_manager.get_module(account, Xmpp.Xep.MessageArchiveManagement.Module.IDENTITY).feature_available.connect( (stream) => {
DateTime start_time = account.mam_earliest_synced.to_unix() > 60 ? account.mam_earliest_synced.add_minutes(-1) : account.mam_earliest_synced;
stream.get_module(Xep.MessageArchiveManagement.Module.IDENTITY).query_archive(stream, null, start_time, null);
});
}
private async void on_message_received(Account account, Xmpp.MessageStanza message_stanza) {
if (message_stanza.body == null) return;
Entities.Message message = yield create_in_message(account, message_stanza);
if (message == null) return;
Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation_for_message(message);
if (conversation != null) {
bool abort = yield received_pipeline.run(message, message_stanza, conversation);
if (abort) return;
}
if (message.direction == Entities.Message.DIRECTION_RECEIVED) {
message_received(message, conversation);
} else if (message.direction == Entities.Message.DIRECTION_SENT) {
message_sent(message, conversation);
}
}
private async Entities.Message create_in_message(Account account, Xmpp.MessageStanza message) {
Entities.Message new_message = new Entities.Message(message.body);
new_message.account = account;
new_message.stanza_id = message.id;
if (!account.bare_jid.equals_bare(message.from) ||
message.from.equals(stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(message.from.bare_jid, account))) {
new_message.direction = Entities.Message.DIRECTION_RECEIVED;
} else {
new_message.direction = Entities.Message.DIRECTION_SENT;
}
new_message.counterpart = new_message.direction == Entities.Message.DIRECTION_SENT ? message.to : message.from;
new_message.ourpart = new_message.direction == Entities.Message.DIRECTION_SENT ? message.from : message.to;
new_message.stanza = message;
// Slack non-standard behavior
if (account.domainpart.index_of("xmpp.slack.com") == account.domainpart.length - 14) {
if (new_message.counterpart.equals_bare(account.bare_jid)) {
// Ignore messages from us, because we neither know which conversation they belong to, nor can match
// them to one of our send messages because of timestamp mismatches.
return null;
}
if (new_message.direction == Entities.Message.DIRECTION_RECEIVED && message.type_ == "chat" && new_message.body.index_of("["+account.localpart+"] ") == 0) {
// That is the best thing we can do, although allowing for attacks.
new_message.direction = Entities.Message.DIRECTION_SENT;
new_message.body = new_message.body.substring(account.localpart.length + 3);
}
if (message.stanza.get_attribute("ts") != null) {
new_message.time = new DateTime.from_unix_utc((int64) double.parse(message.stanza.get_attribute("ts")));
}
}
Xep.MessageArchiveManagement.MessageFlag? mam_message_flag = Xep.MessageArchiveManagement.MessageFlag.get_flag(message);
if (mam_message_flag != null) new_message.local_time = mam_message_flag.server_time;
if (new_message.local_time == null || new_message.local_time.compare(new DateTime.now_utc()) > 0) new_message.local_time = new DateTime.now_utc();
Xep.DelayedDelivery.MessageFlag? delayed_message_flag = Xep.DelayedDelivery.MessageFlag.get_flag(message);
if (delayed_message_flag != null) new_message.time = delayed_message_flag.datetime;
if (new_message.time == null || new_message.time.compare(new_message.local_time) > 0) new_message.time = new_message.local_time;
new_message.type_ = yield determine_message_type(account, message, new_message);
return new_message;
}
private async Entities.Message.Type determine_message_type(Account account, Xmpp.MessageStanza message_stanza, Entities.Message message) {
if (message_stanza.type_ == Xmpp.MessageStanza.TYPE_GROUPCHAT) {
return Entities.Message.Type.GROUPCHAT;
}
if (message_stanza.type_ == Xmpp.MessageStanza.TYPE_CHAT) {
Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart.bare_jid, account);
if (conversation != null) {
if (conversation.type_ == Conversation.Type.CHAT) {
return Entities.Message.Type.CHAT;
} else if (conversation.type_ == Conversation.Type.GROUPCHAT) {
return Entities.Message.Type.GROUPCHAT_PM;
}
} else {
SourceFunc callback = determine_message_type.callback;
XmppStream stream = stream_interactor.get_stream(account);
if (stream != null) stream.get_module(Xep.ServiceDiscovery.Module.IDENTITY).get_entity_categories(stream, message.counterpart.bare_jid, (stream, identities) => {
if (identities == null) {
message.type_ = Entities.Message.Type.CHAT;
Idle.add((owned) callback);
return;
}
foreach (Xep.ServiceDiscovery.Identity identity in identities) {
if (identity.category == Xep.ServiceDiscovery.Identity.CATEGORY_CONFERENCE) {
message.type_ = Entities.Message.Type.GROUPCHAT_PM;
} else {
message.type_ = Entities.Message.Type.CHAT;
}
}
Idle.add((owned) callback);
});
yield;
}
}
return Entities.Message.Type.CHAT;
}
private class DeduplicateMessageListener : MessageListener {
public string[] after_actions_const = new string[]{ "" };
public override string action_group { get { return "DEDUPLICATE"; } }
public override string[] after_actions { get { return after_actions_const; } }
private Database db;
public DeduplicateMessageListener(Database db) {
this.db = db;
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
bool is_uuid = message.stanza_id != null && Regex.match_simple("""[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}""", message.stanza_id);
bool new_uuid_msg = is_uuid && !db.contains_message_by_stanza_id(message.stanza_id, conversation.account);
bool new_misc_msg = !is_uuid && !db.contains_message(message, conversation.account);
bool new_msg = new_uuid_msg || new_misc_msg;
return !new_msg;
}
}
private class StoreMessageListener : MessageListener {
public string[] after_actions_const = new string[]{ "DEDUPLICATE" };
public override string action_group { get { return "STORE"; } }
public override string[] after_actions { get { return after_actions_const; } }
private StreamInteractor stream_interactor;
public StoreMessageListener(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
return false;
}
}
private class MamMessageListener : MessageListener {
public string[] after_actions_const = new string[]{ "DEDUPLICATE" };
public override string action_group { get { return "MAM_NODE"; } }
public override string[] after_actions { get { return after_actions_const; } }
private StreamInteractor stream_interactor;
public MamMessageListener(StreamInteractor stream_interactor) {
this.stream_interactor = stream_interactor;
}
public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
bool is_mam_message = Xep.MessageArchiveManagement.MessageFlag.get_flag(stanza) != null;
XmppStream? stream = stream_interactor.get_stream(conversation.account);
Xep.MessageArchiveManagement.Flag? mam_flag = stream != null ? stream.get_flag(Xep.MessageArchiveManagement.Flag.IDENTITY) : null;
if (is_mam_message || (mam_flag != null && mam_flag.cought_up == true)) {
conversation.account.mam_earliest_synced = message.local_time;
}
return false;
}
}
private Entities.Message create_out_message(string text, Conversation conversation) {
Entities.Message message = new Entities.Message(text);
message.type_ = Util.get_message_type_for_conversation(conversation);
message.stanza_id = random_uuid();
message.account = conversation.account;
message.body = text;
message.time = new DateTime.now_utc();
message.local_time = new DateTime.now_utc();
message.direction = Entities.Message.DIRECTION_SENT;
message.counterpart = conversation.counterpart;
if (conversation.type_ in new Conversation.Type[]{Conversation.Type.GROUPCHAT, Conversation.Type.GROUPCHAT_PM}) {
message.ourpart = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account) ?? conversation.account.bare_jid;
message.real_jid = conversation.account.bare_jid;
} else {
message.ourpart = conversation.account.bare_jid.with_resource(conversation.account.resourcepart);
}
message.marked = Entities.Message.Marked.UNSENT;
message.encryption = conversation.encryption;
return message;
}
public void send_xmpp_message(Entities.Message message, Conversation conversation, bool delayed = false) {
lock (lock_send_unsent) {
XmppStream stream = stream_interactor.get_stream(conversation.account);
message.marked = Entities.Message.Marked.NONE;
if (stream != null) {
Xmpp.MessageStanza new_message = new Xmpp.MessageStanza(message.stanza_id);
new_message.to = message.counterpart;
new_message.body = message.body;
if (conversation.type_ == Conversation.Type.GROUPCHAT) {
new_message.type_ = Xmpp.MessageStanza.TYPE_GROUPCHAT;
} else {
new_message.type_ = Xmpp.MessageStanza.TYPE_CHAT;
}
build_message_stanza(message, new_message, conversation);
pre_message_send(message, new_message, conversation);
if (message.marked == Entities.Message.Marked.UNSENT || message.marked == Entities.Message.Marked.WONTSEND) return;
if (delayed) {
Xmpp.Xep.DelayedDelivery.Module.set_message_delay(new_message, message.time);
}
stream.get_module(Xmpp.MessageModule.IDENTITY).send_message(stream, new_message);
message.stanza_id = new_message.id;
message.stanza = new_message;
} else {
message.marked = Entities.Message.Marked.UNSENT;
}
}
}
}
public abstract class MessageListener : Xmpp.OrderedListener {
public abstract async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation);
}
public class MessageListenerHolder : Xmpp.ListenerHolder {
public async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
foreach (OrderedListener ol in listeners) {
MessageListener l = ol as MessageListener;
bool stop = yield l.run(message, stanza, conversation);
if (stop) return true;
}
return false;
}
}
}
|
