mirror of
https://github.com/element-hq/element-web
synced 2024-11-24 10:15:43 +03:00
518 lines
19 KiB
JavaScript
518 lines
19 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 React from 'react';
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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, _td} from './languageHandler';
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import Modal from './Modal';
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import SettingsStore, {SettingLevel} from './settings/SettingsStore';
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class Command {
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constructor({name, args='', description, runFn, hideCompletionAfterSpace=false}) {
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this.command = '/' + name;
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this.args = args;
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this.description = description;
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this.runFn = runFn;
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this.hideCompletionAfterSpace = hideCompletionAfterSpace;
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}
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getCommand() {
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return this.command;
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}
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getCommandWithArgs() {
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return this.getCommand() + " " + this.args;
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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(error) {
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return {error};
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}
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function success(promise) {
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return {promise};
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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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export const CommandMap = {
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ddg: new Command({
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name: 'ddg',
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args: '<query>',
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description: _td('Searches DuckDuckGo for results'),
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runFn: 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.createTrackedDialog('Slash Commands', '/ddg is not a command', 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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hideCompletionAfterSpace: true,
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}),
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nick: new Command({
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name: 'nick',
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args: '<display_name>',
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description: _td('Changes your display nickname'),
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runFn: function(roomId, args) {
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if (args) {
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return success(MatrixClientPeg.get().setDisplayName(args));
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}
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return reject(this.getUsage());
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},
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}),
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tint: new Command({
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name: 'tint',
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args: '<color1> [<color2>]',
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description: _td('Changes colour scheme of current room'),
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runFn: function(roomId, args) {
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if (args) {
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const matches = args.match(/^(#([\da-fA-F]{3}|[\da-fA-F]{6}))( +(#([\da-fA-F]{3}|[\da-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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} else {
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colorScheme.secondary_color = colorScheme.primary_color;
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}
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return success(
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SettingsStore.setValue('roomColor', roomId, SettingLevel.ROOM_ACCOUNT, colorScheme),
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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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topic: new Command({
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name: 'topic',
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args: '<topic>',
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description: _td('Sets the room topic'),
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runFn: function(roomId, args) {
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if (args) {
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return success(MatrixClientPeg.get().setRoomTopic(roomId, args));
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}
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return reject(this.getUsage());
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},
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}),
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invite: new Command({
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name: 'invite',
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args: '<user-id>',
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description: _td('Invites user with given id to current room'),
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runFn: 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(MatrixClientPeg.get().invite(roomId, matches[1]));
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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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join: new Command({
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name: 'join',
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args: '<room-alias>',
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description: _td('Joins room with given alias'),
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runFn: function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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let roomAlias = matches[1];
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if (roomAlias[0] !== '#') return reject(this.getUsage());
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if (!roomAlias.includes(':')) {
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roomAlias += ':' + MatrixClientPeg.get().getDomain();
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}
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dis.dispatch({
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action: 'view_room',
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room_alias: roomAlias,
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auto_join: true,
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});
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return success();
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}
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}
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return reject(this.getUsage());
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},
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}),
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part: new Command({
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name: 'part',
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args: '[<room-alias>]',
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description: _td('Leave room'),
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runFn: function(roomId, args) {
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const cli = MatrixClientPeg.get();
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let targetRoomId;
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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let roomAlias = matches[1];
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if (roomAlias[0] !== '#') return reject(this.getUsage());
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if (!roomAlias.includes(':')) {
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roomAlias += ':' + cli.getDomain();
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}
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// Try to find a room with this alias
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const rooms = cli.getRooms();
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for (let i = 0; i < rooms.length; i++) {
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const aliasEvents = rooms[i].currentState.getStateEvents('m.room.aliases');
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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) return reject(_t('Unrecognised room alias:') + ' ' + roomAlias);
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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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cli.leave(targetRoomId).then(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: new Command({
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name: 'kick',
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args: '<user-id> [reason]',
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description: _td('Kicks user with given id'),
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runFn: function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+?)( +(.*))?$/);
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if (matches) {
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return success(MatrixClientPeg.get().kick(roomId, matches[1], matches[3]));
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}
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}
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return reject(this.getUsage());
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},
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}),
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// Ban a user from the room with an optional reason
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ban: new Command({
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name: 'ban',
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args: '<user-id> [reason]',
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description: _td('Bans user with given id'),
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runFn: function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+?)( +(.*))?$/);
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if (matches) {
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return success(MatrixClientPeg.get().ban(roomId, matches[1], matches[3]));
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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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// Unban a user from ythe room
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unban: new Command({
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name: 'unban',
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args: '<user-id>',
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description: _td('Unbans user with given id'),
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runFn: function(roomId, args) {
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if (args) {
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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// Reset the user membership to "leave" to unban him
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return success(MatrixClientPeg.get().unban(roomId, matches[1]));
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}
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}
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return reject(this.getUsage());
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},
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}),
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ignore: new Command({
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name: 'ignore',
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args: '<user-id>',
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description: _td('Ignores a user, hiding their messages from you'),
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runFn: function(roomId, args) {
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if (args) {
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const cli = MatrixClientPeg.get();
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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const userId = matches[1];
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const ignoredUsers = cli.getIgnoredUsers();
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ignoredUsers.push(userId); // de-duped internally in the js-sdk
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return success(
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cli.setIgnoredUsers(ignoredUsers).then(() => {
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const QuestionDialog = sdk.getComponent('dialogs.QuestionDialog');
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Modal.createTrackedDialog('Slash Commands', 'User ignored', QuestionDialog, {
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title: _t('Ignored user'),
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description: <div>
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<p>{ _t('You are now ignoring %(userId)s', {userId}) }</p>
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</div>,
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hasCancelButton: false,
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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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}),
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unignore: new Command({
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name: 'unignore',
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args: '<user-id>',
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description: _td('Stops ignoring a user, showing their messages going forward'),
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runFn: function(roomId, args) {
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if (args) {
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const cli = MatrixClientPeg.get();
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const matches = args.match(/^(\S+)$/);
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if (matches) {
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const userId = matches[1];
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const ignoredUsers = cli.getIgnoredUsers();
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const index = ignoredUsers.indexOf(userId);
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if (index !== -1) ignoredUsers.splice(index, 1);
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return success(
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cli.setIgnoredUsers(ignoredUsers).then(() => {
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const QuestionDialog = sdk.getComponent('dialogs.QuestionDialog');
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Modal.createTrackedDialog('Slash Commands', 'User unignored', QuestionDialog, {
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title: _t('Unignored user'),
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description: <div>
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<p>{ _t('You are no longer ignoring %(userId)s', {userId}) }</p>
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</div>,
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hasCancelButton: false,
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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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}),
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// Define the power level of a user
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op: new Command({
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name: 'op',
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args: '<user-id> [<power-level>]',
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description: _td('Define the power level of a user'),
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runFn: 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 cli = MatrixClientPeg.get();
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const room = cli.getRoom(roomId);
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if (!room) return reject('Bad room ID: ' + roomId);
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const powerLevelEvent = room.currentState.getStateEvents('m.room.power_levels', '');
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return success(cli.setPowerLevel(roomId, userId, powerLevel, powerLevelEvent));
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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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// Reset the power level of a user
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deop: new Command({
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name: 'deop',
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args: '<user-id>',
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description: _td('Deops user with given id'),
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runFn: 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 cli = MatrixClientPeg.get();
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const room = cli.getRoom(roomId);
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if (!room) return reject('Bad room ID: ' + roomId);
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const powerLevelEvent = room.currentState.getStateEvents('m.room.power_levels', '');
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return success(cli.setPowerLevel(roomId, args, undefined, powerLevelEvent));
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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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devtools: new Command({
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name: 'devtools',
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description: _td('Opens the Developer Tools dialog'),
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runFn: function(roomId) {
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const DevtoolsDialog = sdk.getComponent('dialogs.DevtoolsDialog');
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Modal.createDialog(DevtoolsDialog, {roomId});
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return success();
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},
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}),
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// Verify a user, device, and pubkey tuple
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verify: new Command({
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name: 'verify',
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args: '<user-id> <device-id> <device-signing-key>',
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description: _td('Verifies a user, device, and pubkey tuple'),
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runFn: 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 cli = MatrixClientPeg.get();
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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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return success(
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// Promise.resolve to handle transition from static result to promise; can be removed
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// in future
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Promise.resolve(cli.getStoredDevice(userId, deviceId)).then((device) => {
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if (!device) {
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throw new Error(_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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throw new Error(_t('Device already verified!'));
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} else {
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throw new Error(_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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const fprint = device.getFingerprint();
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throw new Error(
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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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{
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fprint,
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userId,
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deviceId,
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fingerprint,
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}));
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}
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return cli.setDeviceVerified(userId, deviceId, true);
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}).then(() => {
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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.createTrackedDialog('Slash Commands', 'Verified key', QuestionDialog, {
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title: _t('Verified key'),
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description: <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, deviceId})
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}
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</p>
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</div>,
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hasCancelButton: false,
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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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}),
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// Command definitions for autocompletion ONLY:
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// /me is special because its not handled by SlashCommands.js and is instead done inside the Composer classes
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me: new Command({
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name: 'me',
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args: '<message>',
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description: _td('Displays action'),
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hideCompletionAfterSpace: true,
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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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/**
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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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export function processCommandInput(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] !== '/') return null; // not a command
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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 (aliases[cmd]) {
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cmd = aliases[cmd];
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}
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if (CommandMap[cmd]) {
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// if it has no runFn then its an ignored/nop command (autocomplete only) e.g `/me`
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if (!CommandMap[cmd].runFn) return null;
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return CommandMap[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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