491 lines
16 KiB
Vala
491 lines
16 KiB
Vala
/*
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* This file is part of matrix-glib-sdk
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*
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* matrix-glib-sdk is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either
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* version 3 of the License, or (at your option) any later version.
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*
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* matrix-glib-sdk is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with matrix-glib-sdk. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/**
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* An event-driven client class to communicate with HTTP based
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* Matrix.org servers.
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*/
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public class Matrix.HTTPClient : Matrix.HTTPAPI, Matrix.Client {
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private bool _polling = false;
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private ulong _event_timeout = 30000;
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private string? _last_sync_token;
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private Gee.HashMap<string, Profile> _user_global_profiles =
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new Gee.HashMap<string, Profile>();
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private Gee.HashMap<string, Presence> _user_global_presence =
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new Gee.HashMap<string, Presence>();
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private Gee.HashMap<string, Room> _rooms =
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new Gee.HashMap<string, Room>();
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public
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HTTPClient(string base_url)
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{
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Object(base_url : base_url);
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}
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public void
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login_with_password(string username, string password)
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throws Matrix.Error
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{
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var builder = new Json.Builder();
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builder.begin_object();
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builder.set_member_name("user");
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builder.add_string_value(username);
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builder.set_member_name("password");
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builder.add_string_value(password);
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builder.end_object();
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login((i, content_type, json_content, raw_content, error) => {
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login_finished((error == null) || (error is Matrix.Error.NONE));
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},
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"m.login.password",
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builder.get_root());
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}
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public void
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register_with_password(string? username, string password)
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throws Matrix.Error
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{
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register_account(
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(i, content_type, json_content, raw_content, error) => {
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login_finished((error is Matrix.Error.NONE));
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},
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Matrix.AccountKind.USER,
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false, username, password);
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}
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public void
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logout()
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throws Matrix.Error
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{
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token = null;
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refresh_token = null;
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abort_pending();
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}
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private void
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process_event(Json.Node event_node, string? room_id)
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{
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Json.Object root_obj;
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Json.Node node;
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string event_type;
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Matrix.Event.Base? evt = null;
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if (event_node.get_node_type() != Json.NodeType.OBJECT) {
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if (Config.DEBUG) {
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warning("Received event that is not an object.");
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}
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return;
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}
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root_obj = event_node.get_object();
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if ((node = root_obj.get_member("type")) == null) {
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if (Config.DEBUG) {
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warning("Received event without type.");
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}
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return;
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}
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event_type = node.get_string();
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try {
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evt = Matrix.Event.Base.new_from_json(event_type, event_node);
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} catch (GLib.Error e) {
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evt = null;
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}
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if (evt != null) {
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// Make sure Room events have room_id set, even if it was
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// stripped by the HS
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if (evt is Matrix.Event.Room) {
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Matrix.Event.Room revt = (Matrix.Event.Room)evt;
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if (revt.room_id == null) {
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revt.room_id = room_id;
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}
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}
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if (evt is Matrix.Event.Presence) {
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var pevt = (Matrix.Event.Presence)evt;
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var user_id = pevt.user_id;
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_user_global_presence[user_id] = pevt.presence;
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Profile? profile = _user_global_profiles[user_id];
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if (profile == null) {
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profile = new Profile();
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_user_global_profiles[user_id] = profile;
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}
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profile.avatar_url = pevt.avatar_url;
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profile.display_name = pevt.display_name;
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} else if (evt is Matrix.Event.Room) {
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var revt = (Matrix.Event.Room)evt;
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var room = _get_or_create_room(revt.room_id);
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if (evt is Matrix.Event.RoomMember) {
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var mevt = (Matrix.Event.RoomMember)evt;
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var user_id = mevt.user_id;
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Profile? profile = null;
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try {
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profile = room.get_or_add_member(
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user_id,
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(mevt.tpi_display_name != null));
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} catch (Matrix.Error e) {}
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profile.avatar_url = mevt.avatar_url;
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profile.display_name = mevt.display_name;
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} else if (evt is Matrix.Event.RoomAliases) {
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var aevt = (Matrix.Event.RoomAliases)evt;
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room.aliases = aevt.aliases;
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} else if (evt is Matrix.Event.RoomAvatar) {
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var aevt = (Matrix.Event.RoomAvatar)evt;
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room.avatar_url = aevt.url;
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room.avatar_info = aevt.info;
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room.avatar_thumbnail_url = aevt.thumbnail_url;
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room.avatar_thumbnail_info = aevt.thumbnail_info;
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} else if (evt is Matrix.Event.RoomCanonicalAlias) {
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var cevt = (Matrix.Event.RoomCanonicalAlias)evt;
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room.canonical_alias = cevt.canonical_alias;
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} else if (evt is Matrix.Event.RoomCreate) {
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var cevt = (Matrix.Event.RoomCreate)evt;
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room.creator = cevt.creator;
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room.federate = cevt.federate;
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} else if (evt is Matrix.Event.RoomGuestAccess) {
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var gevt = (Matrix.Event.RoomGuestAccess)evt;
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room.guest_access = gevt.guest_access;
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} else if (evt is Matrix.Event.RoomHistoryVisibility) {
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var hevt = (Matrix.Event.RoomHistoryVisibility)evt;
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room.history_visibility = hevt.visibility;
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} else if (evt is Matrix.Event.RoomJoinRules) {
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var jevt = (Matrix.Event.RoomJoinRules)evt;
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room.join_rules = jevt.join_rules;
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} else if (evt is Matrix.Event.RoomName) {
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var nevt = (Matrix.Event.RoomName)evt;
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room.name = nevt.name;
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} else if (evt is Matrix.Event.RoomPowerLevels) {
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var levt = (Matrix.Event.RoomPowerLevels)evt;
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room.default_power_level = levt.users_default;
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room.default_event_level = levt.events_default;
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room.default_state_level = levt.state_default;
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room.ban_level = levt.ban;
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room.kick_level = levt.kick;
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room.redact_level = levt.redact;
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room.invite_level = levt.invite;
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room.clear_user_levels();
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room.clear_event_levels();
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foreach (var entry in levt.user_levels.entries) {
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room.set_user_level(entry.key, entry.value);
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}
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foreach (var entry in levt.event_levels.entries) {
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room.set_event_level(entry.key, entry.value);
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}
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} else if (evt is Matrix.Event.RoomTopic) {
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var tevt = (Matrix.Event.RoomTopic)evt;
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room.topic = tevt.topic;
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}
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}
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}
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incoming_event(room_id, event_node, evt);
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}
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private Room
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_get_or_create_room(string room_id)
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{
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Room? room = null;
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if ((room = _rooms[room_id]) == null) {
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room = new Room(room_id);
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_rooms[room_id] = room;
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}
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return room;
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}
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private void
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_process_event_list_obj(Json.Node node, string? room_id)
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requires(node.get_node_type() == Json.NodeType.OBJECT)
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{
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Json.Object node_obj;
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Json.Node events_node;
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node_obj = node.get_object();
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if ((events_node = node_obj.get_member("events")) != null) {
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if (events_node.get_node_type() == Json.NodeType.ARRAY) {
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events_node.get_array().foreach_element(
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(array, idx, event_node) => {
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process_event(event_node, room_id);
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});
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}
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}
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}
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private void
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cb_sync(string content_type,
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Json.Node? json_content,
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ByteArray? raw_content,
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Matrix.Error? error)
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{
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if (error == null) {
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var root_obj = json_content.get_object();
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Json.Node? node;
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if (Config.DEBUG) {
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debug("Processing account data");
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}
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_process_event_list_obj(root_obj.get_member("account_data"),
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null);
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if (Config.DEBUG) {
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debug("Processing presence");
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}
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_process_event_list_obj(root_obj.get_member("presence"),
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null);
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if ((node = root_obj.get_member("rooms")) != null) {
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if (node.get_node_type() == Json.NodeType.OBJECT) {
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Json.Object rooms_object = node.get_object();
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Json.Node rooms_node;
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if (Config.DEBUG) {
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debug("Processing rooms");
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}
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if ((rooms_node = rooms_object.get_member(
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"invite")) != null) {
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rooms_node.get_object().foreach_member(
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(obj, room_id, room_node) => {
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if (room_node.get_node_type() != Json.NodeType.OBJECT) {
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return;
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}
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("invite_state"),
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room_id);
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});
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}
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if ((rooms_node = rooms_object.get_member(
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"join")) != null) {
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rooms_node.get_object().foreach_member(
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(obj, room_id, room_node) => {
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if (room_node.get_node_type() != Json.NodeType.OBJECT) {
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return;
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}
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("timeline"),
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room_id);
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("state"),
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room_id);
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("account_data"),
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room_id);
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("ephemeral"),
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room_id);
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});
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}
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if ((rooms_node = rooms_object.get_member(
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"leave")) != null) {
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rooms_node.get_object().foreach_member(
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(obj, room_id, room_node) => {
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if (room_node.get_node_type() != Json.NodeType.OBJECT) {
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return;
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}
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("timeline"),
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room_id);
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_process_event_list_obj(
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room_node
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.get_object()
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.get_member("state"),
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room_id);
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});
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}
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}
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}
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if ((node = root_obj.get_member("next_batch")) != null) {
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_last_sync_token = node.get_string();
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}
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}
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// It is possible that polling has been disabled while we were
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// processing events. Don’t continue polling if that is the
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// case.
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if (_polling) {
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// This `500` should be changed to M_MISSING_TOKEN somehow
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try {
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if ((error == null) || (error.code < 500)) {
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begin_polling();
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} else if ((error != null) && error.code >= 500) {
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stop_polling(false);
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}
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} catch (Matrix.Error e) {}
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}
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}
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public void
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begin_polling()
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throws Matrix.Error
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{
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try {
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sync((API.Callback)cb_sync,
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null, null, _last_sync_token,
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false, false, _event_timeout);
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_polling = true;
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} catch (Matrix.Error e) {
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throw e;
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}
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_polling = true;
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}
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public void
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stop_polling(bool cancel_ongoing)
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throws Matrix.Error
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{
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_polling = false;
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if (cancel_ongoing) {
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abort_pending();
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}
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}
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public Profile?
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get_user_profile(string user_id, string? room_id = null)
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throws Matrix.Error
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{
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if (room_id == null) {
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var profile = _user_global_profiles[user_id];
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if (profile == null) {
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throw new Matrix.Error.UNAVAILABLE(
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"Global profile for %s is not cached yet.",
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user_id);
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}
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return profile;
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}
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var room = _rooms[room_id];
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if (room == null) {
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throw new Matrix.Error.UNAVAILABLE(
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"Room data for %s is not cached yet.", room_id);
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}
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return room.get_member(user_id, null);
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}
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public Presence
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get_user_presence(string user_id, string? room_id = null)
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throws Matrix.Error
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{
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if (room_id == null) {
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Presence? presence = _user_global_presence[user_id];
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if (presence == null) {
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throw new Matrix.Error.UNAVAILABLE(
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"Global presence for %s is not cached yet.",
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user_id);
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}
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return presence;
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}
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throw new Matrix.Error.UNSUPPORTED(
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"Per-room presences are not supported yet.");
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}
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public Room
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get_room_by_id(string room_id)
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throws Matrix.Error
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{
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Room? room;
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if ((room = _rooms[room_id]) == null) {
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throw new Matrix.Error.UNAVAILABLE(
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"Room data for %s is not cached yet.", room_id);
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}
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return room;
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}
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public Room
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get_room_by_alias(string room_alias)
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throws Matrix.Error
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{
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foreach (var entry in _rooms.entries) {
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var room = entry.value;
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if (room.canonical_alias == room_alias) {
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return room;
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}
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if (room_alias in room.aliases) {
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return room;
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}
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}
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throw new Matrix.Error.UNAVAILABLE(
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"Noo room data found for alias %s", room_alias);
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}
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}
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