410 lines
14 KiB
JavaScript
410 lines
14 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import MatrixClientPeg from "./MatrixClientPeg";
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import dis from "./dispatcher";
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import Tinter from "./Tinter";
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import sdk from './index';
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import { _t } from './languageHandler';
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import Modal from './Modal';
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class Command {
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constructor(name, paramArgs, runFn) {
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this.name = name;
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this.paramArgs = paramArgs;
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this.runFn = runFn;
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}
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getCommand() {
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return "/" + this.name;
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}
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getCommandWithArgs() {
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return this.getCommand() + " " + this.paramArgs;
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}
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run(roomId, args) {
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return this.runFn.bind(this)(roomId, args);
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}
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getUsage() {
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return _t('Usage') + ': ' + this.getCommandWithArgs();
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}
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}
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function reject(msg) {
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return {
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error: msg,
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};
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}
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function success(promise) {
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return {
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promise: promise,
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};
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}
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/* Disable the "unexpected this" error for these commands - all of the run
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* functions are called with `this` bound to the Command instance.
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*/
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/* eslint-disable babel/no-invalid-this */
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const commands = {
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ddg: new Command("ddg", "<query>", function(roomId, args) {
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const ErrorDialog = sdk.getComponent('dialogs.ErrorDialog');
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// TODO Don't explain this away, actually show a search UI here.
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Modal.createDialog(ErrorDialog, {
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title: _t('/ddg is not a command'),
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description: _t('To use it, just wait for autocomplete results to load and tab through them.'),
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});
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return success();
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}),
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// Change your nickname
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nick: new Command("nick", "<display_name>", function(roomId, args) {
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if (args) {
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return success(
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MatrixClientPeg.get().setDisplayName(args),
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);
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}
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return reject(this.getUsage());
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}),
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// Changes the colorscheme of your current room
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tint: new Command("tint", "<color1> [<color2>]", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(#([0-9a-fA-F]{3}|[0-9a-fA-F]{6}))( +(#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})))?$/);
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if (matches) {
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Tinter.tint(matches[1], matches[4]);
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const colorScheme = {};
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colorScheme.primary_color = matches[1];
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if (matches[4]) {
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colorScheme.secondary_color = matches[4];
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}
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return success(
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MatrixClientPeg.get().setRoomAccountData(
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roomId, "org.matrix.room.color_scheme", colorScheme,
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),
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);
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}
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}
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return reject(this.getUsage());
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}),
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// Change the room topic
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topic: new Command("topic", "<topic>", function(roomId, args) {
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if (args) {
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return success(
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MatrixClientPeg.get().setRoomTopic(roomId, args),
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);
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}
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return reject(this.getUsage());
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}),
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// Invite a user
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invite: new Command("invite", "<userId>", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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return success(
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MatrixClientPeg.get().invite(roomId, matches[1]),
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);
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}
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}
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return reject(this.getUsage());
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}),
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// Join a room
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join: new Command("join", "#alias:domain", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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let roomAlias = matches[1];
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if (roomAlias[0] !== '#') {
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return reject(this.getUsage());
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}
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if (!roomAlias.match(/:/)) {
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roomAlias += ':' + MatrixClientPeg.get().getDomain();
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}
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dis.dispatch({
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action: 'view_room',
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room_alias: roomAlias,
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auto_join: true,
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});
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return success();
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}
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}
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return reject(this.getUsage());
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}),
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part: new Command("part", "[#alias:domain]", function(roomId, args) {
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let targetRoomId;
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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let roomAlias = matches[1];
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if (roomAlias[0] !== '#') {
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return reject(this.getUsage());
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}
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if (!roomAlias.match(/:/)) {
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roomAlias += ':' + MatrixClientPeg.get().getDomain();
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}
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// Try to find a room with this alias
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const rooms = MatrixClientPeg.get().getRooms();
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for (let i = 0; i < rooms.length; i++) {
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const aliasEvents = rooms[i].currentState.getStateEvents(
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"m.room.aliases",
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);
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for (let j = 0; j < aliasEvents.length; j++) {
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const aliases = aliasEvents[j].getContent().aliases || [];
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for (let k = 0; k < aliases.length; k++) {
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if (aliases[k] === roomAlias) {
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targetRoomId = rooms[i].roomId;
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break;
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}
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}
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if (targetRoomId) { break; }
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}
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if (targetRoomId) { break; }
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}
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if (!targetRoomId) {
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return reject(_t("Unrecognised room alias:") + ' ' + roomAlias);
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}
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}
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}
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if (!targetRoomId) targetRoomId = roomId;
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return success(
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MatrixClientPeg.get().leave(targetRoomId).then(
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function() {
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dis.dispatch({action: 'view_next_room'});
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},
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),
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);
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}),
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// Kick a user from the room with an optional reason
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kick: new Command("kick", "<userId> [<reason>]", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+?)( +(.*))?$/);
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if (matches) {
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return success(
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MatrixClientPeg.get().kick(roomId, matches[1], matches[3]),
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);
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}
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}
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return reject(this.getUsage());
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}),
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// Ban a user from the room with an optional reason
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ban: new Command("ban", "<userId> [<reason>]", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+?)( +(.*))?$/);
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if (matches) {
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return success(
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MatrixClientPeg.get().ban(roomId, matches[1], matches[3]),
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);
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}
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}
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return reject(this.getUsage());
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}),
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// Unban a user from the room
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unban: new Command("unban", "<userId>", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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// Reset the user membership to "leave" to unban him
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return success(
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MatrixClientPeg.get().unban(roomId, matches[1]),
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);
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}
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}
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return reject(this.getUsage());
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}),
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// Define the power level of a user
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op: new Command("op", "<userId> [<power level>]", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+?)( +(\d+))?$/);
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let powerLevel = 50; // default power level for op
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if (matches) {
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const userId = matches[1];
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if (matches.length === 4 && undefined !== matches[3]) {
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powerLevel = parseInt(matches[3]);
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}
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if (!isNaN(powerLevel)) {
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const room = MatrixClientPeg.get().getRoom(roomId);
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if (!room) {
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return reject("Bad room ID: " + roomId);
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}
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const powerLevelEvent = room.currentState.getStateEvents(
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"m.room.power_levels", "",
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);
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return success(
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MatrixClientPeg.get().setPowerLevel(
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roomId, userId, powerLevel, powerLevelEvent,
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),
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);
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}
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}
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}
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return reject(this.getUsage());
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}),
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// Reset the power level of a user
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deop: new Command("deop", "<userId>", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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const room = MatrixClientPeg.get().getRoom(roomId);
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if (!room) {
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return reject("Bad room ID: " + roomId);
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}
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const powerLevelEvent = room.currentState.getStateEvents(
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"m.room.power_levels", "",
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);
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return success(
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MatrixClientPeg.get().setPowerLevel(
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roomId, args, undefined, powerLevelEvent,
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),
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);
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}
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}
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return reject(this.getUsage());
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}),
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// Verify a user, device, and pubkey tuple
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verify: new Command("verify", "<userId> <deviceId> <deviceSigningKey>", function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+) +(\S+) +(\S+)$/);
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if (matches) {
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const userId = matches[1];
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const deviceId = matches[2];
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const fingerprint = matches[3];
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const device = MatrixClientPeg.get().getStoredDevice(userId, deviceId);
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if (!device) {
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return reject(_t(`Unknown (user, device) pair:`) + ` (${userId}, ${deviceId})`);
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}
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if (device.isVerified()) {
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if (device.getFingerprint() === fingerprint) {
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return reject(_t(`Device already verified!`));
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} else {
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return reject(_t(`WARNING: Device already verified, but keys do NOT MATCH!`));
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}
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}
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if (device.getFingerprint() === fingerprint) {
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MatrixClientPeg.get().setDeviceVerified(
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userId, deviceId, true,
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);
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// Tell the user we verified everything!
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const QuestionDialog = sdk.getComponent("dialogs.QuestionDialog");
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Modal.createDialog(QuestionDialog, {
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title: _t("Verified key"),
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description: (
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<div>
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<p>
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{
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_t("The signing key you provided matches the signing key you received " +
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"from %(userId)s's device %(deviceId)s. Device marked as verified.",
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{userId: userId, deviceId: deviceId})
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}
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</p>
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</div>
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),
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hasCancelButton: false,
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});
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return success();
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} else {
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const fprint = device.getFingerprint();
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return reject(
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_t('WARNING: KEY VERIFICATION FAILED! The signing key for %(userId)s and device' +
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' %(deviceId)s is "%(fprint)s" which does not match the provided key' +
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' "%(fingerprint)s". This could mean your communications are being intercepted!',
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{deviceId: deviceId, fprint: fprint, userId: userId, fingerprint: fingerprint})
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);
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}
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}
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}
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return reject(this.getUsage());
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}),
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};
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/* eslint-enable babel/no-invalid-this */
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// helpful aliases
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const aliases = {
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j: "join",
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};
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module.exports = {
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/**
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* Process the given text for /commands and perform them.
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* @param {string} roomId The room in which the command was performed.
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* @param {string} input The raw text input by the user.
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* @return {Object|null} An object with the property 'error' if there was an error
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* processing the command, or 'promise' if a request was sent out.
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* Returns null if the input didn't match a command.
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*/
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processInput: function(roomId, input) {
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// trim any trailing whitespace, as it can confuse the parser for
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// IRC-style commands
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input = input.replace(/\s+$/, "");
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if (input[0] === "/" && input[1] !== "/") {
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const bits = input.match(/^(\S+?)( +((.|\n)*))?$/);
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let cmd;
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let args;
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if (bits) {
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cmd = bits[1].substring(1).toLowerCase();
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args = bits[3];
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} else {
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cmd = input;
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}
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if (cmd === "me") return null;
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if (aliases[cmd]) {
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cmd = aliases[cmd];
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}
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if (commands[cmd]) {
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return commands[cmd].run(roomId, args);
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} else {
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return reject(_t("Unrecognised command:") + ' ' + input);
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}
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}
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return null; // not a command
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},
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getCommandList: function() {
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// Return all the commands plus /me and /markdown which aren't handled like normal commands
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const cmds = Object.keys(commands).sort().map(function(cmdKey) {
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return commands[cmdKey];
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});
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cmds.push(new Command("me", "<action>", function() {}));
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cmds.push(new Command("markdown", "<on|off>", function() {}));
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return cmds;
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},
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};
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