88 lines
2.9 KiB
Vala
88 lines
2.9 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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* Class to hold a m.room.aliases event.
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*
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* This event is sent by a homeserver directly to inform of changes to
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* the list of aliases it knows about for that room.
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*
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* The state_key for this event is set to the homeserver which owns
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* the room alias.
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*
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* The entire set of known aliases for the room is the union of all
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* the m.room.aliases events, one for each homeserver. Clients should
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* check the validity of any room alias given in this list before
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* presenting it to the user as trusted fact. The lists given by this
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* event should be considered simply as advice on which aliases might
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* exist, for which the client can perform the lookup to confirm
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* whether it receives the correct room ID.
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*/
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public class Matrix.Event.RoomAliases : Matrix.Event.State {
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/**
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* A list of room aliases.
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*/
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public string[] aliases { get; set; }
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protected override void
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from_json(Json.Node json_data)
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throws Matrix.Error
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{
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var content_root = json_data.get_object()
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.get_member("content").get_object();
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Json.Node? node;
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if ((node = content_root.get_member("aliases")) != null) {
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_aliases = new string[node.get_array().get_length()];
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node.get_array().foreach_element((ary, idx, member_node) => {
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_aliases[idx] = member_node.get_string();
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});
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} else if (Config.DEBUG) {
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warning("content.aliases is missing from a m.room.aliases event");
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}
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base.from_json(json_data);
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}
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protected override void
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to_json(Json.Node json_data)
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throws Matrix.Error
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{
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if (_aliases.length == 0) {
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throw new Matrix.Error.INCOMPLETE(
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"Won't generate a m.room.aliases event without aliases");
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}
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var content_root = json_data.get_object()
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.get_member("content").get_object();
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var aliases_ary = new Json.Array();
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foreach (var entry in _aliases) {
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aliases_ary.add_string_element(entry);
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}
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var aliases_node = new Json.Node(Json.NodeType.ARRAY);
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aliases_node.set_array(aliases_ary);
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content_root.set_member("aliases", aliases_node);
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base.to_json(json_data);
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}
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}
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