295 lines
15 KiB
Vala
295 lines
15 KiB
Vala
using Gee;
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using Xmpp;
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using Dino.Entities;
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namespace Dino {
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public class MessageProcessor : StreamInteractionModule, Object {
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public static ModuleIdentity<MessageProcessor> IDENTITY = new ModuleIdentity<MessageProcessor>("message_processor");
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public string id { get { return IDENTITY.id; } }
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public signal void message_received(Entities.Message message, Conversation conversation);
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public signal void build_message_stanza(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation);
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public signal void pre_message_send(Entities.Message message, Xmpp.MessageStanza message_stanza, Conversation conversation);
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public signal void message_sent(Entities.Message message, Conversation conversation);
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public MessageListenerHolder received_pipeline = new MessageListenerHolder();
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private StreamInteractor stream_interactor;
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private Database db;
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private Object lock_send_unsent;
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public static void start(StreamInteractor stream_interactor, Database db) {
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MessageProcessor m = new MessageProcessor(stream_interactor, db);
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stream_interactor.add_module(m);
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}
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private MessageProcessor(StreamInteractor stream_interactor, Database db) {
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this.stream_interactor = stream_interactor;
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this.db = db;
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stream_interactor.account_added.connect(on_account_added);
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stream_interactor.connection_manager.connection_state_changed.connect((account, state) => {
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if (state == ConnectionManager.ConnectionState.CONNECTED) send_unsent_messages(account);
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});
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received_pipeline.connect(new DeduplicateMessageListener(db));
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received_pipeline.connect(new StoreMessageListener(stream_interactor));
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received_pipeline.connect(new MamMessageListener(stream_interactor));
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}
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public void send_message(string text, Conversation conversation) {
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Entities.Message message = create_out_message(text, conversation);
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stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
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send_xmpp_message(message, conversation);
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message_sent(message, conversation);
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}
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public void send_unsent_messages(Account account, Jid? jid = null) {
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Gee.List<Entities.Message> unsend_messages = db.get_unsend_messages(account, jid);
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foreach (Entities.Message message in unsend_messages) {
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Conversation? msg_conv = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart, account);
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if (msg_conv != null) {
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send_xmpp_message(message, msg_conv, true);
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}
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}
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}
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private void on_account_added(Account account) {
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stream_interactor.module_manager.get_module(account, Xmpp.MessageModule.IDENTITY).received_message.connect( (stream, message) => {
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on_message_received.begin(account, message);
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});
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stream_interactor.module_manager.get_module(account, Xmpp.Xep.MessageArchiveManagement.Module.IDENTITY).feature_available.connect( (stream) => {
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DateTime start_time = account.mam_earliest_synced.to_unix() > 60 ? account.mam_earliest_synced.add_minutes(-1) : account.mam_earliest_synced;
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stream.get_module(Xep.MessageArchiveManagement.Module.IDENTITY).query_archive(stream, null, start_time, null);
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});
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}
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private async void on_message_received(Account account, Xmpp.MessageStanza message_stanza) {
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if (message_stanza.body == null) return;
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Entities.Message message = yield create_in_message(account, message_stanza);
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if (message == null) return;
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Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation_for_message(message);
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if (conversation != null) {
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bool abort = yield received_pipeline.run(message, message_stanza, conversation);
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if (abort) return;
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}
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if (message.direction == Entities.Message.DIRECTION_RECEIVED) {
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message_received(message, conversation);
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} else if (message.direction == Entities.Message.DIRECTION_SENT) {
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message_sent(message, conversation);
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}
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}
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private async Entities.Message create_in_message(Account account, Xmpp.MessageStanza message) {
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Entities.Message new_message = new Entities.Message(message.body);
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new_message.account = account;
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new_message.stanza_id = message.id;
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if (!account.bare_jid.equals_bare(message.from) ||
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message.from.equals(stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(message.from.bare_jid, account))) {
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new_message.direction = Entities.Message.DIRECTION_RECEIVED;
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} else {
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new_message.direction = Entities.Message.DIRECTION_SENT;
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}
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new_message.counterpart = new_message.direction == Entities.Message.DIRECTION_SENT ? message.to : message.from;
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new_message.ourpart = new_message.direction == Entities.Message.DIRECTION_SENT ? message.from : message.to;
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new_message.stanza = message;
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// Slack non-standard behavior
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if (account.domainpart.index_of("xmpp.slack.com") == account.domainpart.length - 14) {
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if (new_message.counterpart.equals_bare(account.bare_jid)) {
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// Ignore messages from us, because we neither know which conversation they belong to, nor can match
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// them to one of our send messages because of timestamp mismatches.
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return null;
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}
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if (new_message.direction == Entities.Message.DIRECTION_RECEIVED && message.type_ == "chat" && new_message.body.index_of("["+account.localpart+"] ") == 0) {
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// That is the best thing we can do, although allowing for attacks.
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new_message.direction = Entities.Message.DIRECTION_SENT;
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new_message.body = new_message.body.substring(account.localpart.length + 3);
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}
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if (message.stanza.get_attribute("ts") != null) {
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new_message.time = new DateTime.from_unix_utc((int64) double.parse(message.stanza.get_attribute("ts")));
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}
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}
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Xep.MessageArchiveManagement.MessageFlag? mam_message_flag = Xep.MessageArchiveManagement.MessageFlag.get_flag(message);
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if (mam_message_flag != null) new_message.local_time = mam_message_flag.server_time;
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if (new_message.local_time == null || new_message.local_time.compare(new DateTime.now_utc()) > 0) new_message.local_time = new DateTime.now_utc();
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Xep.DelayedDelivery.MessageFlag? delayed_message_flag = Xep.DelayedDelivery.MessageFlag.get_flag(message);
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if (delayed_message_flag != null) new_message.time = delayed_message_flag.datetime;
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if (new_message.time == null || new_message.time.compare(new_message.local_time) > 0) new_message.time = new_message.local_time;
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new_message.type_ = yield determine_message_type(account, message, new_message);
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return new_message;
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}
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private async Entities.Message.Type determine_message_type(Account account, Xmpp.MessageStanza message_stanza, Entities.Message message) {
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if (message_stanza.type_ == Xmpp.MessageStanza.TYPE_GROUPCHAT) {
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return Entities.Message.Type.GROUPCHAT;
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}
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if (message_stanza.type_ == Xmpp.MessageStanza.TYPE_CHAT) {
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Conversation? conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(message.counterpart.bare_jid, account);
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if (conversation != null) {
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if (conversation.type_ == Conversation.Type.CHAT) {
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return Entities.Message.Type.CHAT;
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} else if (conversation.type_ == Conversation.Type.GROUPCHAT) {
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return Entities.Message.Type.GROUPCHAT_PM;
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}
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} else {
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SourceFunc callback = determine_message_type.callback;
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XmppStream stream = stream_interactor.get_stream(account);
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if (stream != null) stream.get_module(Xep.ServiceDiscovery.Module.IDENTITY).get_entity_categories(stream, message.counterpart.bare_jid, (stream, identities) => {
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if (identities == null) {
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message.type_ = Entities.Message.Type.CHAT;
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Idle.add((owned) callback);
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return;
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}
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foreach (Xep.ServiceDiscovery.Identity identity in identities) {
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if (identity.category == Xep.ServiceDiscovery.Identity.CATEGORY_CONFERENCE) {
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message.type_ = Entities.Message.Type.GROUPCHAT_PM;
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} else {
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message.type_ = Entities.Message.Type.CHAT;
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}
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}
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Idle.add((owned) callback);
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});
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yield;
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}
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}
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return Entities.Message.Type.CHAT;
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}
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private class DeduplicateMessageListener : MessageListener {
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public string[] after_actions_const = new string[]{ "" };
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public override string action_group { get { return "DEDUPLICATE"; } }
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public override string[] after_actions { get { return after_actions_const; } }
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private Database db;
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public DeduplicateMessageListener(Database db) {
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this.db = db;
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}
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public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
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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);
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bool new_uuid_msg = is_uuid && !db.contains_message_by_stanza_id(message.stanza_id, conversation.account);
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bool new_misc_msg = !is_uuid && !db.contains_message(message, conversation.account);
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bool new_msg = new_uuid_msg || new_misc_msg;
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return !new_msg;
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}
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}
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private class StoreMessageListener : MessageListener {
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public string[] after_actions_const = new string[]{ "DEDUPLICATE" };
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public override string action_group { get { return "STORE"; } }
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public override string[] after_actions { get { return after_actions_const; } }
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private StreamInteractor stream_interactor;
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public StoreMessageListener(StreamInteractor stream_interactor) {
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this.stream_interactor = stream_interactor;
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}
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public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
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stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
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return false;
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}
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}
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private class MamMessageListener : MessageListener {
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public string[] after_actions_const = new string[]{ "DEDUPLICATE" };
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public override string action_group { get { return "MAM_NODE"; } }
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public override string[] after_actions { get { return after_actions_const; } }
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private StreamInteractor stream_interactor;
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public MamMessageListener(StreamInteractor stream_interactor) {
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this.stream_interactor = stream_interactor;
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}
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public override async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
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bool is_mam_message = Xep.MessageArchiveManagement.MessageFlag.get_flag(stanza) != null;
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XmppStream? stream = stream_interactor.get_stream(conversation.account);
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Xep.MessageArchiveManagement.Flag? mam_flag = stream != null ? stream.get_flag(Xep.MessageArchiveManagement.Flag.IDENTITY) : null;
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if (is_mam_message || (mam_flag != null && mam_flag.cought_up == true)) {
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conversation.account.mam_earliest_synced = message.local_time;
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}
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return false;
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}
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}
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private Entities.Message create_out_message(string text, Conversation conversation) {
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Entities.Message message = new Entities.Message(text);
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message.type_ = Util.get_message_type_for_conversation(conversation);
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message.stanza_id = random_uuid();
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message.account = conversation.account;
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message.body = text;
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message.time = new DateTime.now_utc();
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message.local_time = new DateTime.now_utc();
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message.direction = Entities.Message.DIRECTION_SENT;
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message.counterpart = conversation.counterpart;
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if (conversation.type_ in new Conversation.Type[]{Conversation.Type.GROUPCHAT, Conversation.Type.GROUPCHAT_PM}) {
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message.ourpart = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account) ?? conversation.account.bare_jid;
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message.real_jid = conversation.account.bare_jid;
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} else {
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message.ourpart = conversation.account.bare_jid.with_resource(conversation.account.resourcepart);
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}
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message.marked = Entities.Message.Marked.UNSENT;
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message.encryption = conversation.encryption;
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return message;
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}
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public void send_xmpp_message(Entities.Message message, Conversation conversation, bool delayed = false) {
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lock (lock_send_unsent) {
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XmppStream stream = stream_interactor.get_stream(conversation.account);
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message.marked = Entities.Message.Marked.NONE;
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if (stream != null) {
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Xmpp.MessageStanza new_message = new Xmpp.MessageStanza(message.stanza_id);
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new_message.to = message.counterpart;
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new_message.body = message.body;
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if (conversation.type_ == Conversation.Type.GROUPCHAT) {
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new_message.type_ = Xmpp.MessageStanza.TYPE_GROUPCHAT;
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} else {
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new_message.type_ = Xmpp.MessageStanza.TYPE_CHAT;
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}
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build_message_stanza(message, new_message, conversation);
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pre_message_send(message, new_message, conversation);
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if (message.marked == Entities.Message.Marked.UNSENT || message.marked == Entities.Message.Marked.WONTSEND) return;
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if (delayed) {
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Xmpp.Xep.DelayedDelivery.Module.set_message_delay(new_message, message.time);
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}
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stream.get_module(Xmpp.MessageModule.IDENTITY).send_message(stream, new_message);
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message.stanza_id = new_message.id;
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message.stanza = new_message;
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} else {
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message.marked = Entities.Message.Marked.UNSENT;
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}
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}
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}
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}
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public abstract class MessageListener : Xmpp.OrderedListener {
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public abstract async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation);
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}
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public class MessageListenerHolder : Xmpp.ListenerHolder {
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public async bool run(Entities.Message message, Xmpp.MessageStanza stanza, Conversation conversation) {
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foreach (OrderedListener ol in listeners) {
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MessageListener l = ol as MessageListener;
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bool stop = yield l.run(message, stanza, conversation);
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if (stop) return true;
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}
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return false;
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}
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}
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}
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