synapse-product/webclient/components/matrix/matrix-service.js

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/*
Copyright 2014 OpenMarket 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.
*/
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'use strict';
/*
This service wraps up Matrix API calls.
This serves to isolate the caller from changes to the underlying url paths, as
well as attach common params (e.g. access_token) to requests.
*/
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angular.module('matrixService', [])
.factory('matrixService', ['$http', '$q', '$rootScope', function($http, $q, $rootScope) {
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/*
* Permanent storage of user information
* The config contains:
* - homeserver url
* - Identity server url
* - user_id
* - access_token
* - version: the version of this cache
*/
var config;
var roomIdToAlias = {};
var aliasToRoomId = {};
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// Current version of permanent storage
var configVersion = 0;
var prefixPath = "/_matrix/client/api/v1";
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var MAPPING_PREFIX = "alias_for_";
var doRequest = function(method, path, params, data, $httpParams) {
if (!config) {
console.warn("No config exists. Cannot perform request to "+path);
return;
}
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// Inject the access token
if (!params) {
params = {};
}
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params.access_token = config.access_token;
if (path.indexOf(prefixPath) !== 0) {
path = prefixPath + path;
}
return doBaseRequest(config.homeserver, method, path, params, data, undefined, $httpParams);
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};
var doBaseRequest = function(baseUrl, method, path, params, data, headers, $httpParams) {
var request = {
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method: method,
url: baseUrl + path,
params: params,
data: data,
headers: headers
};
// Add additional $http parameters
if ($httpParams) {
angular.extend(request, $httpParams);
}
return $http(request);
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};
return {
/****** Home server API ******/
prefix: prefixPath,
// Register an user
register: function(user_name, password, threepidCreds, useCaptcha) {
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// The REST path spec
var path = "/register";
var data = {
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user_id: user_name,
password: password,
threepidCreds: threepidCreds
};
if (useCaptcha) {
// Not all home servers will require captcha on signup, but if this flag is checked,
// send captcha information.
// TODO: Might be nice to make this a bit more flexible..
var challengeToken = Recaptcha.get_challenge();
var captchaEntry = Recaptcha.get_response();
var captchaType = "m.login.recaptcha";
data.captcha = {
type: captchaType,
challenge: challengeToken,
response: captchaEntry
};
}
return doRequest("POST", path, undefined, data);
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},
// Create a room
create: function(room_alias, visibility) {
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// The REST path spec
var path = "/createRoom";
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var req = {
"visibility": visibility
};
if (room_alias) {
req.room_alias_name = room_alias;
}
return doRequest("POST", path, undefined, req);
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},
// Get the user's current state: his presence, the list of his rooms with
// the last {limit} events
initialSync: function(limit, feedback) {
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// The REST path spec
var path = "/initialSync";
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var params = {};
if (limit) {
params.limit = limit;
}
if (feedback) {
params.feedback = feedback;
}
return doRequest("GET", path, params);
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},
// Joins a room
join: function(room_id) {
return this.membershipChange(room_id, undefined, "join");
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},
joinAlias: function(room_alias) {
var path = "/join/$room_alias";
room_alias = encodeURIComponent(room_alias);
path = path.replace("$room_alias", room_alias);
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// TODO: PUT with txn ID
return doRequest("POST", path, undefined, {});
},
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// Invite a user to a room
invite: function(room_id, user_id) {
return this.membershipChange(room_id, user_id, "invite");
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},
// Leaves a room
leave: function(room_id) {
return this.membershipChange(room_id, undefined, "leave");
},
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membershipChange: function(room_id, user_id, membershipValue) {
// The REST path spec
var path = "/rooms/$room_id/$membership";
path = path.replace("$room_id", encodeURIComponent(room_id));
path = path.replace("$membership", encodeURIComponent(membershipValue));
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var data = {};
if (user_id !== undefined) {
data = { user_id: user_id };
}
// TODO: Use PUT with transaction IDs
return doRequest("POST", path, undefined, data);
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},
// Change the membership of an another user
setMembership: function(room_id, user_id, membershipValue, reason) {
// The REST path spec
var path = "/rooms/$room_id/state/m.room.member/$user_id";
path = path.replace("$room_id", encodeURIComponent(room_id));
path = path.replace("$user_id", user_id);
return doRequest("PUT", path, undefined, {
membership : membershipValue,
reason: reason
});
},
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// Bans a user from a room
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ban: function(room_id, user_id, reason) {
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var path = "/rooms/$room_id/ban";
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path = path.replace("$room_id", encodeURIComponent(room_id));
return doRequest("POST", path, undefined, {
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user_id: user_id,
reason: reason
});
},
// Unbans a user in a room
unban: function(room_id, user_id) {
// FIXME: To update when there will be homeserver API for unban
// For now, do an unban by resetting the user membership to "leave"
return this.setMembership(room_id, user_id, "leave");
},
// Kicks a user from a room
kick: function(room_id, user_id, reason) {
// Set the user membership to "leave" to kick him
return this.setMembership(room_id, user_id, "leave", reason);
},
// Retrieves the room ID corresponding to a room alias
resolveRoomAlias:function(room_alias) {
var path = "/_matrix/client/api/v1/directory/room/$room_alias";
room_alias = encodeURIComponent(room_alias);
path = path.replace("$room_alias", room_alias);
return doRequest("GET", path, undefined, {});
},
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setName: function(room_id, name) {
var data = {
name: name
};
return this.sendStateEvent(room_id, "m.room.name", data);
},
setTopic: function(room_id, topic) {
var data = {
topic: topic
};
return this.sendStateEvent(room_id, "m.room.topic", data);
},
sendStateEvent: function(room_id, eventType, content, state_key) {
var path = "/rooms/$room_id/state/"+eventType;
if (state_key !== undefined) {
path += "/" + state_key;
}
room_id = encodeURIComponent(room_id);
path = path.replace("$room_id", room_id);
return doRequest("PUT", path, undefined, content);
},
sendEvent: function(room_id, eventType, txn_id, content) {
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// The REST path spec
var path = "/rooms/$room_id/send/"+eventType+"/$txn_id";
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if (!txn_id) {
txn_id = "m" + new Date().getTime();
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}
// Like the cmd client, escape room ids
room_id = encodeURIComponent(room_id);
// Customize it
path = path.replace("$room_id", room_id);
path = path.replace("$txn_id", txn_id);
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return doRequest("PUT", path, undefined, content);
},
sendMessage: function(room_id, txn_id, content) {
return this.sendEvent(room_id, 'm.room.message', txn_id, content);
},
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// Send a text message
sendTextMessage: function(room_id, body, msg_id) {
var content = {
msgtype: "m.text",
body: body
};
return this.sendMessage(room_id, msg_id, content);
},
// Send an image message
sendImageMessage: function(room_id, image_url, image_body, msg_id) {
var content = {
msgtype: "m.image",
url: image_url,
body: image_body
};
return this.sendMessage(room_id, msg_id, content);
},
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// Send an emote message
sendEmoteMessage: function(room_id, body, msg_id) {
var content = {
msgtype: "m.emote",
body: body
};
return this.sendMessage(room_id, msg_id, content);
},
// get a snapshot of the members in a room.
getMemberList: function(room_id) {
// Like the cmd client, escape room ids
room_id = encodeURIComponent(room_id);
var path = "/rooms/$room_id/members";
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path = path.replace("$room_id", room_id);
return doRequest("GET", path);
},
paginateBackMessages: function(room_id, from_token, limit) {
var path = "/rooms/$room_id/messages";
path = path.replace("$room_id", room_id);
var params = {
from: from_token,
limit: limit,
dir: 'b'
};
return doRequest("GET", path, params);
},
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// get a list of public rooms on your home server
publicRooms: function() {
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var path = "/publicRooms";
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return doRequest("GET", path);
},
// get a user's profile
getProfile: function(userId) {
return this.getProfileInfo(userId);
},
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// get a display name for this user ID
getDisplayName: function(userId) {
return this.getProfileInfo(userId, "displayname");
},
// get the profile picture url for this user ID
getProfilePictureUrl: function(userId) {
return this.getProfileInfo(userId, "avatar_url");
},
// update your display name
setDisplayName: function(newName) {
var content = {
displayname: newName
};
return this.setProfileInfo(content, "displayname");
},
// update your profile picture url
setProfilePictureUrl: function(newUrl) {
var content = {
avatar_url: newUrl
};
return this.setProfileInfo(content, "avatar_url");
},
setProfileInfo: function(data, info_segment) {
var path = "/profile/$user/" + info_segment;
path = path.replace("$user", config.user_id);
return doRequest("PUT", path, undefined, data);
},
getProfileInfo: function(userId, info_segment) {
var path = "/profile/"+userId
if (info_segment) path += '/' + info_segment;
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return doRequest("GET", path);
},
login: function(userId, password) {
// TODO We should be checking to make sure the client can support
// logging in to this HS, else use the fallback.
var path = "/login";
var data = {
"type": "m.login.password",
"user": userId,
"password": password
};
return doRequest("POST", path, undefined, data);
},
// hit the Identity Server for a 3PID request.
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linkEmail: function(email, clientSecret, sendAttempt) {
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var path = "/_matrix/identity/api/v1/validate/email/requestToken";
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var data = "clientSecret="+clientSecret+"&email=" + encodeURIComponent(email)+"&sendAttempt="+sendAttempt;
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var headers = {};
headers["Content-Type"] = "application/x-www-form-urlencoded";
return doBaseRequest(config.identityServer, "POST", path, {}, data, headers);
},
authEmail: function(clientSecret, sid, code) {
var path = "/_matrix/identity/api/v1/validate/email/submitToken";
var data = "token="+code+"&sid="+sid+"&clientSecret="+clientSecret;
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var headers = {};
headers["Content-Type"] = "application/x-www-form-urlencoded";
return doBaseRequest(config.identityServer, "POST", path, {}, data, headers);
},
bindEmail: function(userId, tokenId, clientSecret) {
var path = "/_matrix/identity/api/v1/3pid/bind";
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var data = "mxid="+encodeURIComponent(userId)+"&sid="+tokenId+"&clientSecret="+clientSecret;
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var headers = {};
headers["Content-Type"] = "application/x-www-form-urlencoded";
return doBaseRequest(config.identityServer, "POST", path, {}, data, headers);
},
lookup3pid: function(medium, address) {
var path = "/_matrix/identity/api/v1/lookup?medium="+encodeURIComponent(medium)+"&address="+encodeURIComponent(address);
return doBaseRequest(config.identityServer, "GET", path, {}, undefined, {});
},
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uploadContent: function(file) {
var path = "/_matrix/content";
var headers = {
"Content-Type": undefined // undefined means angular will figure it out
};
var params = {
access_token: config.access_token
};
// If the file is actually a Blob object, prevent $http from JSON-stringified it before sending
// (Equivalent to jQuery ajax processData = false)
var $httpParams;
if (file instanceof Blob) {
$httpParams = {
transformRequest: angular.identity
};
}
return doBaseRequest(config.homeserver, "POST", path, params, file, headers, $httpParams);
},
/**
* Start listening on /events
* @param {String} from the token from which to listen events to
* @param {Integer} serverTimeout the time in ms the server will hold open the connection
* @param {Integer} clientTimeout the timeout in ms used at the client HTTP request level
* @returns a promise
*/
getEventStream: function(from, serverTimeout, clientTimeout) {
var path = "/events";
var params = {
from: from,
timeout: serverTimeout
};
var $httpParams;
if (clientTimeout) {
// If the Internet connection is lost, this timeout is used to be able to
// cancel the current request and notify the client so that it can retry with a new request.
$httpParams = {
timeout: clientTimeout
};
}
return doRequest("GET", path, params, undefined, $httpParams);
},
// Indicates if user authentications details are stored in cache
isUserLoggedIn: function() {
var config = this.config();
// User is considered logged in if his cache is not empty and contains
// an access token
if (config && config.access_token) {
return true;
}
else {
return false;
}
},
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// Enum of presence state
presence: {
offline: "offline",
unavailable: "unavailable",
online: "online",
free_for_chat: "free_for_chat"
},
// Set the logged in user presence state
setUserPresence: function(presence) {
var path = "/presence/$user_id/status";
path = path.replace("$user_id", config.user_id);
return doRequest("PUT", path, undefined, {
presence: presence
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});
},
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/****** Permanent storage of user information ******/
// Returns the current config
config: function() {
if (!config) {
config = localStorage.getItem("config");
if (config) {
config = JSON.parse(config);
// Reset the cache if the version loaded is not the expected one
if (configVersion !== config.version) {
config = undefined;
this.saveConfig();
}
}
}
return config;
},
// Set a new config (Use saveConfig to actually store it permanently)
setConfig: function(newConfig) {
config = newConfig;
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console.log("new IS: "+config.identityServer);
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},
// Commits config into permanent storage
saveConfig: function() {
config.version = configVersion;
localStorage.setItem("config", JSON.stringify(config));
},
/****** Room aliases management ******/
/**
* Get the room_alias & room_display_name which are computed from data
* already retrieved from the server.
* @param {Room object} room one element of the array returned by the response
* of rooms() and publicRooms()
* @returns {Object} {room_alias: "...", room_display_name: "..."}
*/
getRoomAliasAndDisplayName: function(room) {
var result = {
room_alias: undefined,
room_display_name: undefined
};
var alias = this.getRoomIdToAliasMapping(room.room_id);
if (alias) {
// use the existing alias from storage
result.room_alias = alias;
result.room_display_name = alias;
}
// XXX: this only lets us learn aliases from our local HS - we should
// make the client stop returning this if we can trust m.room.aliases state events
else if (room.aliases && room.aliases[0]) {
// save the mapping
// TODO: select the smarter alias from the array
this.createRoomIdToAliasMapping(room.room_id, room.aliases[0]);
result.room_display_name = room.aliases[0];
result.room_alias = room.aliases[0];
}
else if (room.membership === "invite" && "inviter" in room) {
result.room_display_name = room.inviter + "'s room";
}
else {
// last resort use the room id
result.room_display_name = room.room_id;
}
return result;
},
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createRoomIdToAliasMapping: function(roomId, alias) {
roomIdToAlias[roomId] = alias;
aliasToRoomId[alias] = roomId;
// localStorage.setItem(MAPPING_PREFIX+roomId, alias);
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},
getRoomIdToAliasMapping: function(roomId) {
var alias = roomIdToAlias[roomId]; // was localStorage.getItem(MAPPING_PREFIX+roomId)
//console.log("looking for alias for " + roomId + "; found: " + alias);
return alias;
},
getAliasToRoomIdMapping: function(alias) {
var roomId = aliasToRoomId[alias];
//console.log("looking for roomId for " + alias + "; found: " + roomId);
return roomId;
},
/****** Power levels management ******/
/**
* Return the power level of an user in a particular room
* @param {String} room_id the room id
* @param {String} user_id the user id
* @returns {Number} a value between 0 and 10
*/
getUserPowerLevel: function(room_id, user_id) {
var powerLevel = 0;
var room = $rootScope.events.rooms[room_id];
if (room && room["m.room.power_levels"]) {
if (user_id in room["m.room.power_levels"].content) {
powerLevel = room["m.room.power_levels"].content[user_id];
}
else {
// Use the room default user power
powerLevel = room["m.room.power_levels"].content["default"];
}
}
return powerLevel;
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},
/**
* Change or reset the power level of a user
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* @param {String} room_id the room id
* @param {String} user_id the user id
* @param {Number} powerLevel a value between 0 and 10
* If undefined, the user power level will be reset, ie he will use the default room user power level
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* @returns {promise} an $http promise
*/
setUserPowerLevel: function(room_id, user_id, powerLevel) {
// Hack: currently, there is no home server API so do it by hand by updating
// the current m.room.power_levels of the room and send it to the server
var room = $rootScope.events.rooms[room_id];
if (room && room["m.room.power_levels"]) {
var content = angular.copy(room["m.room.power_levels"].content);
content[user_id] = powerLevel;
var path = "/rooms/$room_id/state/m.room.power_levels";
path = path.replace("$room_id", encodeURIComponent(room_id));
return doRequest("PUT", path, undefined, content);
}
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// The room does not exist or does not contain power_levels data
var deferred = $q.defer();
deferred.reject({data:{error: "Invalid room: " + room_id}});
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return deferred.promise;
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}
};
}]);