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client.js
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client.js
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/*
Copyright 2015, 2016 OpenMarket Ltd
Copyright 2017 Vector Creations Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
"use strict";
const PushProcessor = require('./pushprocessor');
/**
* This is an internal module. See {@link MatrixClient} for the public class.
* @module client
*/
const EventEmitter = require("events").EventEmitter;
const q = require("q");
const url = require('url');
const httpApi = require("./http-api");
const MatrixEvent = require("./models/event").MatrixEvent;
const EventStatus = require("./models/event").EventStatus;
const EventTimeline = require("./models/event-timeline");
const SearchResult = require("./models/search-result");
const StubStore = require("./store/stub");
const webRtcCall = require("./webrtc/call");
const utils = require("./utils");
const contentRepo = require("./content-repo");
const Filter = require("./filter");
const SyncApi = require("./sync");
const MatrixBaseApis = require("./base-apis");
const MatrixError = httpApi.MatrixError;
const SCROLLBACK_DELAY_MS = 3000;
let CRYPTO_ENABLED = false;
try {
var Crypto = require("./crypto");
CRYPTO_ENABLED = true;
} catch (e) {
console.warn("Unable to load crypto module: crypto will be disabled: " + e);
}
/**
* Construct a Matrix Client. Only directly construct this if you want to use
* custom modules. Normally, {@link createClient} should be used
* as it specifies 'sensible' defaults for these modules.
* @constructor
* @extends {external:EventEmitter}
* @extends {module:base-apis~MatrixBaseApis}
*
* @param {Object} opts The configuration options for this client.
* @param {string} opts.baseUrl Required. The base URL to the client-server
* HTTP API.
* @param {string} opts.idBaseUrl Optional. The base identity server URL for
* identity server requests.
* @param {Function} opts.request Required. The function to invoke for HTTP
* requests. The value of this property is typically <code>require("request")
* </code> as it returns a function which meets the required interface. See
* {@link requestFunction} for more information.
*
* @param {string} opts.accessToken The access_token for this user.
*
* @param {string} opts.userId The user ID for this user.
*
* @param {Object=} opts.store The data store to use. If not specified,
* this client will not store any HTTP responses.
*
* @param {string=} opts.deviceId A unique identifier for this device; used for
* tracking things like crypto keys and access tokens. If not specified,
* end-to-end crypto will be disabled.
*
* @param {Object=} opts.sessionStore A store to be used for end-to-end crypto
* session data. This should be a {@link
* module:store/session/webstorage~WebStorageSessionStore|WebStorageSessionStore},
* or an object implementing the same interface. If not specified,
* end-to-end crypto will be disabled.
*
* @param {Object} opts.scheduler Optional. The scheduler to use. If not
* specified, this client will not retry requests on failure. This client
* will supply its own processing function to
* {@link module:scheduler~MatrixScheduler#setProcessFunction}.
*
* @param {Object} opts.queryParams Optional. Extra query parameters to append
* to all requests with this client. Useful for application services which require
* <code>?user_id=</code>.
*
* @param {Number=} opts.localTimeoutMs Optional. The default maximum amount of
* time to wait before timing out HTTP requests. If not specified, there is no timeout.
*
* @param {boolean} [opts.timelineSupport = false] Set to true to enable
* improved timeline support ({@link
* module:client~MatrixClient#getEventTimeline getEventTimeline}). It is
* disabled by default for compatibility with older clients - in particular to
* maintain support for back-paginating the live timeline after a '/sync'
* result with a gap.
*
* @param {module:crypto.store.base~CryptoStore} opts.cryptoStore
* crypto store implementation.
*/
function MatrixClient(opts) {
MatrixBaseApis.call(this, opts);
this.store = opts.store || new StubStore();
this.deviceId = opts.deviceId || null;
const userId = (opts.userId || null);
this.credentials = {
userId: userId,
};
this.scheduler = opts.scheduler;
if (this.scheduler) {
const self = this;
this.scheduler.setProcessFunction(function(eventToSend) {
const room = self.getRoom(eventToSend.getRoomId());
if (eventToSend.status !== EventStatus.SENDING) {
_updatePendingEventStatus(room, eventToSend,
EventStatus.SENDING);
}
return _sendEventHttpRequest(self, eventToSend);
});
}
this.clientRunning = false;
this.callList = {
// callId: MatrixCall
};
// try constructing a MatrixCall to see if we are running in an environment
// which has WebRTC. If we are, listen for and handle m.call.* events.
const call = webRtcCall.createNewMatrixCall(this);
this._supportsVoip = false;
if (call) {
setupCallEventHandler(this);
this._supportsVoip = true;
}
this._syncingRetry = null;
this._syncApi = null;
this._peekSync = null;
this._isGuest = false;
this._ongoingScrollbacks = {};
this.timelineSupport = Boolean(opts.timelineSupport);
this.urlPreviewCache = {};
this._notifTimelineSet = null;
this._crypto = null;
this._cryptoStore = opts.cryptoStore;
if (CRYPTO_ENABLED && Boolean(opts.sessionStore) &&
Boolean(this._cryptoStore) &&
userId !== null && this.deviceId !== null) {
this._crypto = new Crypto(
this, this,
opts.sessionStore,
userId, this.deviceId,
this.store,
opts.cryptoStore,
);
this.olmVersion = Crypto.getOlmVersion();
}
}
utils.inherits(MatrixClient, EventEmitter);
utils.extend(MatrixClient.prototype, MatrixBaseApis.prototype);
/**
* Clear any data out of the persistent stores used by the client.
*
* @returns {Promise} Promise which resolves when the stores have been cleared.
*/
MatrixClient.prototype.clearStores = function() {
if (this._clientRunning) {
throw new Error("Cannot clear stores while client is running");
}
const promises = [];
promises.push(this.store.deleteAllData());
if (this._cryptoStore) {
promises.push(this._cryptoStore.deleteAllData());
}
return q.all(promises);
};
/**
* Get the user-id of the logged-in user
*
* @return {?string} MXID for the logged-in user, or null if not logged in
*/
MatrixClient.prototype.getUserId = function() {
if (this.credentials && this.credentials.userId) {
return this.credentials.userId;
}
return null;
};
/**
* Get the domain for this client's MXID
* @return {?string} Domain of this MXID
*/
MatrixClient.prototype.getDomain = function() {
if (this.credentials && this.credentials.userId) {
return this.credentials.userId.replace(/^.*?:/, '');
}
return null;
};
/**
* Get the local part of the current user ID e.g. "foo" in "@foo:bar".
* @return {?string} The user ID localpart or null.
*/
MatrixClient.prototype.getUserIdLocalpart = function() {
if (this.credentials && this.credentials.userId) {
return this.credentials.userId.split(":")[0].substring(1);
}
return null;
};
/**
* Get the device ID of this client
* @return {?string} device ID
*/
MatrixClient.prototype.getDeviceId = function() {
return this.deviceId;
};
/**
* Check if the runtime environment supports VoIP calling.
* @return {boolean} True if VoIP is supported.
*/
MatrixClient.prototype.supportsVoip = function() {
return this._supportsVoip;
};
/**
* Get the current sync state.
* @return {?string} the sync state, which may be null.
* @see module:client~MatrixClient#event:"sync"
*/
MatrixClient.prototype.getSyncState = function() {
if (!this._syncApi) {
return null;
}
return this._syncApi.getSyncState();
};
/**
* Return whether the client is configured for a guest account.
* @return {boolean} True if this is a guest access_token (or no token is supplied).
*/
MatrixClient.prototype.isGuest = function() {
return this._isGuest;
};
/**
* Return the provided scheduler, if any.
* @return {?module:scheduler~MatrixScheduler} The scheduler or null
*/
MatrixClient.prototype.getScheduler = function() {
return this.scheduler;
};
/**
* Set whether this client is a guest account. <b>This method is experimental
* and may change without warning.</b>
* @param {boolean} isGuest True if this is a guest account.
*/
MatrixClient.prototype.setGuest = function(isGuest) {
// EXPERIMENTAL:
// If the token is a macaroon, it should be encoded in it that it is a 'guest'
// access token, which means that the SDK can determine this entirely without
// the dev manually flipping this flag.
this._isGuest = isGuest;
};
/**
* Retry a backed off syncing request immediately. This should only be used when
* the user <b>explicitly</b> attempts to retry their lost connection.
* @return {boolean} True if this resulted in a request being retried.
*/
MatrixClient.prototype.retryImmediately = function() {
return this._syncApi.retryImmediately();
};
/**
* Return the global notification EventTimelineSet, if any
*
* @return {EventTimelineSet} the globl notification EventTimelineSet
*/
MatrixClient.prototype.getNotifTimelineSet = function() {
return this._notifTimelineSet;
};
/**
* Set the global notification EventTimelineSet
*
* @param {EventTimelineSet} notifTimelineSet
*/
MatrixClient.prototype.setNotifTimelineSet = function(notifTimelineSet) {
this._notifTimelineSet = notifTimelineSet;
};
// Crypto bits
// ===========
/**
* Is end-to-end crypto enabled for this client.
* @return {boolean} True if end-to-end is enabled.
*/
MatrixClient.prototype.isCryptoEnabled = function() {
return this._crypto !== null;
};
/**
* Get the Ed25519 key for this device
*
* @return {?string} base64-encoded ed25519 key. Null if crypto is
* disabled.
*/
MatrixClient.prototype.getDeviceEd25519Key = function() {
if (!this._crypto) {
return null;
}
return this._crypto.getDeviceEd25519Key();
};
/**
* Upload the device keys to the homeserver.
* @return {object} A promise that will resolve when the keys are uploaded.
*/
MatrixClient.prototype.uploadKeys = function() {
if (this._crypto === null) {
throw new Error("End-to-end encryption disabled");
}
return this._crypto.uploadDeviceKeys();
};
/**
* Download the keys for a list of users and stores the keys in the session
* store.
* @param {Array} userIds The users to fetch.
* @param {bool} forceDownload Always download the keys even if cached.
*
* @return {Promise} A promise which resolves to a map userId->deviceId->{@link
* module:crypto~DeviceInfo|DeviceInfo}.
*/
MatrixClient.prototype.downloadKeys = function(userIds, forceDownload) {
if (this._crypto === null) {
return q.reject(new Error("End-to-end encryption disabled"));
}
return this._crypto.downloadKeys(userIds, forceDownload);
};
/**
* List the stored device keys for a user id
*
* @deprecated prefer {@link module:client#getStoredDevicesForUser}
*
* @param {string} userId the user to list keys for.
*
* @return {object[]} list of devices with "id", "verified", "blocked",
* "key", and "display_name" parameters.
*/
MatrixClient.prototype.listDeviceKeys = function(userId) {
if (this._crypto === null) {
throw new Error("End-to-end encryption disabled");
}
return this._crypto.listDeviceKeys(userId);
};
/**
* Get the stored device keys for a user id
*
* @param {string} userId the user to list keys for.
*
* @return {module:crypto-deviceinfo[]} list of devices
*/
MatrixClient.prototype.getStoredDevicesForUser = function(userId) {
if (this._crypto === null) {
throw new Error("End-to-end encryption disabled");
}
return this._crypto.getStoredDevicesForUser(userId) || [];
};
/**
* Get the stored device key for a user id and device id
*
* @param {string} userId the user to list keys for.
* @param {string} deviceId unique identifier for the device
*
* @return {?module:crypto-deviceinfo} device or null
*/
MatrixClient.prototype.getStoredDevice = function(userId, deviceId) {
if (this._crypto === null) {
throw new Error("End-to-end encryption disabled");
}
return this._crypto.getStoredDevice(userId, deviceId) || null;
};
/**
* Mark the given device as verified
*
* @param {string} userId owner of the device
* @param {string} deviceId unique identifier for the device
*
* @param {boolean=} verified whether to mark the device as verified. defaults
* to 'true'.
*
* @fires module:client~event:MatrixClient"deviceVerificationChanged"
*/
MatrixClient.prototype.setDeviceVerified = function(userId, deviceId, verified) {
if (verified === undefined) {
verified = true;
}
_setDeviceVerification(this, userId, deviceId, verified, null);
};
/**
* Mark the given device as blocked/unblocked
*
* @param {string} userId owner of the device
* @param {string} deviceId unique identifier for the device
*
* @param {boolean=} blocked whether to mark the device as blocked. defaults
* to 'true'.
*
* @fires module:client~event:MatrixClient"deviceVerificationChanged"
*/
MatrixClient.prototype.setDeviceBlocked = function(userId, deviceId, blocked) {
if (blocked === undefined) {
blocked = true;
}
_setDeviceVerification(this, userId, deviceId, null, blocked);
};
/**
* Mark the given device as known/unknown
*
* @param {string} userId owner of the device
* @param {string} deviceId unique identifier for the device
*
* @param {boolean=} known whether to mark the device as known. defaults
* to 'true'.
*
* @fires module:client~event:MatrixClient"deviceVerificationChanged"
*/
MatrixClient.prototype.setDeviceKnown = function(userId, deviceId, known) {
if (known === undefined) {
known = true;
}
_setDeviceVerification(this, userId, deviceId, null, null, known);
};
function _setDeviceVerification(client, userId, deviceId, verified, blocked, known) {
if (!client._crypto) {
throw new Error("End-to-End encryption disabled");
}
const dev = client._crypto.setDeviceVerification(
userId, deviceId, verified, blocked, known,
);
client.emit("deviceVerificationChanged", userId, deviceId, dev);
}
/**
* Set the global override for whether the client should ever send encrypted
* messages to unverified devices. If false, it can still be overridden
* per-room. If true, it overrides the per-room settings.
*
* @param {boolean} value whether to unilaterally blacklist all
* unverified devices
*/
MatrixClient.prototype.setGlobalBlacklistUnverifiedDevices = function(value) {
if (this._crypto === null) {
throw new Error("End-to-end encryption disabled");
}
this._crypto.setGlobalBlacklistUnverifiedDevices(value);
};
/**
* @return {boolean} whether to unilaterally blacklist all
* unverified devices
*/
MatrixClient.prototype.getGlobalBlacklistUnverifiedDevices = function() {
if (this._crypto === null) {
throw new Error("End-to-end encryption disabled");
}
return this._crypto.getGlobalBlacklistUnverifiedDevices();
};
/**
* Get e2e information on the device that sent an event
*
* @param {MatrixEvent} event event to be checked
*
* @return {module:crypto/deviceinfo?}
*/
MatrixClient.prototype.getEventSenderDeviceInfo = function(event) {
if (!this._crypto) {
return null;
}
return this._crypto.getEventSenderDeviceInfo(event);
};
/**
* Check if the sender of an event is verified
*
* @param {MatrixEvent} event event to be checked
*
* @return {boolean} true if the sender of this event has been verified using
* {@link module:client~MatrixClient#setDeviceVerified|setDeviceVerified}.
*/
MatrixClient.prototype.isEventSenderVerified = function(event) {
const device = this.getEventSenderDeviceInfo(event);
if (!device) {
return false;
}
return device.isVerified();
};
/**
* Enable end-to-end encryption for a room.
* @param {string} roomId The room ID to enable encryption in.
* @param {object} config The encryption config for the room.
* @return {Object} A promise that will resolve when encryption is setup.
*/
MatrixClient.prototype.setRoomEncryption = function(roomId, config) {
if (!this._crypto) {
throw new Error("End-to-End encryption disabled");
}
this._crypto.setRoomEncryption(roomId, config);
return q();
};
/**
* Whether encryption is enabled for a room.
* @param {string} roomId the room id to query.
* @return {bool} whether encryption is enabled.
*/
MatrixClient.prototype.isRoomEncrypted = function(roomId) {
if (!this._crypto) {
return false;
}
return this._crypto.isRoomEncrypted(roomId);
};
/**
* Get a list containing all of the room keys
*
* This should be encrypted before returning it to the user.
*
* @return {module:client.Promise} a promise which resolves to a list of
* session export objects
*/
MatrixClient.prototype.exportRoomKeys = function() {
if (!this._crypto) {
return q.reject(new Error("End-to-end encryption disabled"));
}
return this._crypto.exportRoomKeys();
};
/**
* Import a list of room keys previously exported by exportRoomKeys
*
* @param {Object[]} keys a list of session export objects
*/
MatrixClient.prototype.importRoomKeys = function(keys) {
if (!this._crypto) {
throw new Error("End-to-end encryption disabled");
}
this._crypto.importRoomKeys(keys);
};
/**
* Decrypt a received event according to the algorithm specified in the event.
*
* @param {MatrixClient} client
* @param {MatrixEvent} event
*/
function _decryptEvent(client, event) {
if (!client._crypto) {
_badEncryptedMessage(event, "Encryption not enabled");
return;
}
try {
client._crypto.decryptEvent(event);
} catch (e) {
console.warn(
`Error decrypting event (id=${event.getId()}): ${e}`,
);
if (e.name !== "DecryptionError") {
throw e;
}
_badEncryptedMessage(event, e.message);
return;
}
}
function _badEncryptedMessage(event, reason) {
event.setClearData({
type: "m.room.message",
content: {
msgtype: "m.bad.encrypted",
body: "** Unable to decrypt: " + reason + " **",
},
});
}
// Room ops
// ========
/**
* Get the room for the given room ID.
* This function will return a valid room for any room for which a Room event
* has been emitted. Note in particular that other events, eg. RoomState.members
* will be emitted for a room before this function will return the given room.
* @param {string} roomId The room ID
* @return {Room} The Room or null if it doesn't exist or there is no data store.
*/
MatrixClient.prototype.getRoom = function(roomId) {
return this.store.getRoom(roomId);
};
/**
* Retrieve all known rooms.
* @return {Room[]} A list of rooms, or an empty list if there is no data store.
*/
MatrixClient.prototype.getRooms = function() {
return this.store.getRooms();
};
/**
* Retrieve a user.
* @param {string} userId The user ID to retrieve.
* @return {?User} A user or null if there is no data store or the user does
* not exist.
*/
MatrixClient.prototype.getUser = function(userId) {
return this.store.getUser(userId);
};
/**
* Retrieve all known users.
* @return {User[]} A list of users, or an empty list if there is no data store.
*/
MatrixClient.prototype.getUsers = function() {
return this.store.getUsers();
};
// User Account Data operations
// ============================
/**
* Set account data event for the current user.
* @param {string} eventType The event type
* @param {Object} contents the contents object for the event
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.setAccountData = function(eventType, contents, callback) {
const path = utils.encodeUri("/user/$userId/account_data/$type", {
$userId: this.credentials.userId,
$type: eventType,
});
return this._http.authedRequest(
callback, "PUT", path, undefined, contents,
);
};
/**
* Get account data event of given type for the current user.
* @param {string} eventType The event type
* @param {module:client.callback} callback Optional.
* @return {?object} The contents of the given account data event
*/
MatrixClient.prototype.getAccountData = function(eventType) {
return this.store.getAccountData(eventType);
};
// Room operations
// ===============
/**
* Join a room. If you have already joined the room, this will no-op.
* @param {string} roomIdOrAlias The room ID or room alias to join.
* @param {Object} opts Options when joining the room.
* @param {boolean} opts.syncRoom True to do a room initial sync on the resulting
* room. If false, the <strong>returned Room object will have no current state.
* </strong> Default: true.
* @param {boolean} opts.inviteSignUrl If the caller has a keypair 3pid invite,
* the signing URL is passed in this parameter.
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: Room object.
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.joinRoom = function(roomIdOrAlias, opts, callback) {
// to help people when upgrading..
if (utils.isFunction(opts)) {
throw new Error("Expected 'opts' object, got function.");
}
opts = opts || {};
if (opts.syncRoom === undefined) {
opts.syncRoom = true;
}
const room = this.getRoom(roomIdOrAlias);
if (room && room.hasMembershipState(this.credentials.userId, "join")) {
return q(room);
}
let sign_promise = q();
if (opts.inviteSignUrl) {
sign_promise = this._http.requestOtherUrl(
undefined, 'POST',
opts.inviteSignUrl, { mxid: this.credentials.userId },
);
}
const defer = q.defer();
const self = this;
sign_promise.then(function(signed_invite_object) {
const data = {};
if (signed_invite_object) {
data.third_party_signed = signed_invite_object;
}
const path = utils.encodeUri("/join/$roomid", { $roomid: roomIdOrAlias});
return self._http.authedRequest(undefined, "POST", path, undefined, data);
}).then(function(res) {
const roomId = res.room_id;
const syncApi = new SyncApi(self, self._clientOpts);
const room = syncApi.createRoom(roomId);
if (opts.syncRoom) {
// v2 will do this for us
// return syncApi.syncRoom(room);
}
return q(room);
}).done(function(room) {
_resolve(callback, defer, room);
}, function(err) {
_reject(callback, defer, err);
});
return defer.promise;
};
/**
* Resend an event.
* @param {MatrixEvent} event The event to resend.
* @param {Room} room Optional. The room the event is in. Will update the
* timeline entry if provided.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.resendEvent = function(event, room) {
_updatePendingEventStatus(room, event, EventStatus.SENDING);
return _sendEvent(this, room, event);
};
/**
* Cancel a queued or unsent event.
*
* @param {MatrixEvent} event Event to cancel
* @throws Error if the event is not in QUEUED or NOT_SENT state
*/
MatrixClient.prototype.cancelPendingEvent = function(event) {
if ([EventStatus.QUEUED, EventStatus.NOT_SENT].indexOf(event.status) < 0) {
throw new Error("cannot cancel an event with status " + event.status);
}
// first tell the scheduler to forget about it, if it's queued
if (this.scheduler) {
this.scheduler.removeEventFromQueue(event);
}
// then tell the room about the change of state, which will remove it
// from the room's list of pending events.
const room = this.getRoom(event.getRoomId());
_updatePendingEventStatus(room, event, EventStatus.CANCELLED);
};
/**
* @param {string} roomId
* @param {string} name
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.setRoomName = function(roomId, name, callback) {
return this.sendStateEvent(roomId, "m.room.name", {name: name},
undefined, callback);
};
/**
* @param {string} roomId
* @param {string} topic
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.setRoomTopic = function(roomId, topic, callback) {
return this.sendStateEvent(roomId, "m.room.topic", {topic: topic},
undefined, callback);
};
/**
* @param {string} roomId
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.getRoomTags = function(roomId, callback) {
const path = utils.encodeUri("/user/$userId/rooms/$roomId/tags/", {
$userId: this.credentials.userId,
$roomId: roomId,
});
return this._http.authedRequest(
callback, "GET", path, undefined,
);
};
/**
* @param {string} roomId
* @param {string} tagName name of room tag to be set
* @param {object} metadata associated with that tag to be stored
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.setRoomTag = function(roomId, tagName, metadata, callback) {
const path = utils.encodeUri("/user/$userId/rooms/$roomId/tags/$tag", {
$userId: this.credentials.userId,
$roomId: roomId,
$tag: tagName,
});
return this._http.authedRequest(
callback, "PUT", path, undefined, metadata,
);
};
/**
* @param {string} roomId
* @param {string} tagName name of room tag to be removed
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.deleteRoomTag = function(roomId, tagName, callback) {
const path = utils.encodeUri("/user/$userId/rooms/$roomId/tags/$tag", {
$userId: this.credentials.userId,
$roomId: roomId,
$tag: tagName,
});
return this._http.authedRequest(
callback, "DELETE", path, undefined, undefined,
);
};
/**
* @param {string} roomId
* @param {string} eventType event type to be set
* @param {object} content event content
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.setRoomAccountData = function(roomId, eventType,
content, callback) {
const path = utils.encodeUri("/user/$userId/rooms/$roomId/account_data/$type", {
$userId: this.credentials.userId,
$roomId: roomId,
$type: eventType,
});
return this._http.authedRequest(
callback, "PUT", path, undefined, content,
);
};
/**
* Set a user's power level.
* @param {string} roomId
* @param {string} userId
* @param {Number} powerLevel
* @param {MatrixEvent} event
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.setPowerLevel = function(roomId, userId, powerLevel,
event, callback) {
let content = {
users: {},
};
if (event && event.getType() === "m.room.power_levels") {
// take a copy of the content to ensure we don't corrupt
// existing client state with a failed power level change
content = utils.deepCopy(event.getContent());
}
content.users[userId] = powerLevel;
const path = utils.encodeUri("/rooms/$roomId/state/m.room.power_levels", {
$roomId: roomId,
});
return this._http.authedRequest(
callback, "PUT", path, undefined, content,
);
};
/**
* @param {string} roomId
* @param {string} eventType
* @param {Object} content
* @param {string} txnId Optional.
* @param {module:client.callback} callback Optional.
* @return {module:client.Promise} Resolves: TODO
* @return {module:http-api.MatrixError} Rejects: with an error response.
*/
MatrixClient.prototype.sendEvent = function(roomId, eventType, content, txnId,
callback) {
if (utils.isFunction(txnId)) {
callback = txnId; txnId = undefined;
}
if (!txnId) {
txnId = this.makeTxnId();
}
// we always construct a MatrixEvent when sending because the store and
// scheduler use them. We'll extract the params back out if it turns out
// the client has no scheduler or store.
const room = this.getRoom(roomId);
const localEvent = new MatrixEvent({
event_id: "~" + roomId + ":" + txnId,
user_id: this.credentials.userId,
room_id: roomId,
type: eventType,
origin_server_ts: new Date().getTime(),
content: content,
});
localEvent._txnId = txnId;
localEvent.status = EventStatus.SENDING;
// add this event immediately to the local store as 'sending'.
if (room) {
room.addPendingEvent(localEvent, txnId);
}
return _sendEvent(this, room, localEvent, callback);
};
// encrypts the event if necessary
// adds the event to the queue, or sends it
// marks the event as sent/unsent
// returns a promise which resolves with the result of the send request
function _sendEvent(client, room, event, callback) {
// Add an extra q() to turn synchronous exceptions into promise rejections,
// so that we can handle synchronous and asynchronous exceptions with the
// same code path.
return q().then(function() {
let encryptionPromise = null;
if (client._crypto) {
encryptionPromise = client._crypto.encryptEventIfNeeded(event, room);
}
if (encryptionPromise) {
_updatePendingEventStatus(room, event, EventStatus.ENCRYPTING);
encryptionPromise = encryptionPromise.then(function() {
_updatePendingEventStatus(room, event, EventStatus.SENDING);
});
}
return encryptionPromise;
}).then(function() {
let promise;
// this event may be queued
if (client.scheduler) {
// if this returns a promsie then the scheduler has control now and will
// resolve/reject when it is done. Internally, the scheduler will invoke
// processFn which is set to this._sendEventHttpRequest so the same code
// path is executed regardless.
promise = client.scheduler.queueEvent(event);
if (promise && client.scheduler.getQueueForEvent(event).length > 1) {
// event is processed FIFO so if the length is 2 or more we know
// this event is stuck behind an earlier event.
_updatePendingEventStatus(room, event, EventStatus.QUEUED);