xmpp.chapril.org-conversejs/src/converse-chatboxes.js

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// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2017, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//
/*global define */
(function (root, factory) {
define(["converse-core"], factory);
}(this, function (converse) {
"use strict";
const { Backbone, Strophe, b64_sha1, utils, _ } = converse.env;
converse.plugins.add('converse-chatboxes', {
overrides: {
// Overrides mentioned here will be picked up by converse.js's
// plugin architecture they will replace existing methods on the
// relevant objects or classes.
disconnect: function () {
const { _converse } = this.__super__;
_converse.chatboxviews.closeAllChatBoxes();
return this.__super__.disconnect.apply(this, arguments);
},
logOut: function () {
const { _converse } = this.__super__;
_converse.chatboxviews.closeAllChatBoxes();
return this.__super__.logOut.apply(this, arguments);
},
initStatus: function () {
const { _converse } = this.__super__;
_converse.chatboxviews.closeAllChatBoxes();
return this.__super__.initStatus.apply(this, arguments);
},
onStatusInitialized: function () {
const { _converse } = this.__super__;
_converse.chatboxes.onConnected();
return this.__super__.onStatusInitialized.apply(this, arguments);
}
},
initialize () {
/* The initialize function gets called as soon as the plugin is
* loaded by converse.js's plugin machinery.
*/
const { _converse } = this;
_converse.api.promises.add([
'chatBoxesFetched',
'chatBoxesInitialized'
]);
_converse.ChatBoxes = Backbone.Collection.extend({
comparator: 'time_opened',
model (attrs, options) {
return new _converse.ChatBox(attrs, options);
},
registerMessageHandler () {
_converse.connection.addHandler(
this.onMessage.bind(this), null, 'message', 'chat'
);
_converse.connection.addHandler(
this.onErrorMessage.bind(this), null, 'message', 'error'
);
},
chatBoxMayBeShown (chatbox) {
return true;
},
onChatBoxesFetched (collection) {
/* Show chat boxes upon receiving them from sessionStorage
*
* This method gets overridden entirely in src/converse-controlbox.js
* if the controlbox plugin is active.
*/
collection.each((chatbox) => {
if (this.chatBoxMayBeShown(chatbox)) {
chatbox.trigger('show');
}
});
_converse.emit('chatBoxesFetched');
},
onConnected () {
this.browserStorage = new Backbone.BrowserStorage[_converse.storage](
b64_sha1(`converse.chatboxes-${_converse.bare_jid}`));
this.registerMessageHandler();
this.fetch({
add: true,
success: this.onChatBoxesFetched.bind(this)
});
},
onErrorMessage (message) {
/* Handler method for all incoming error message stanzas
*/
// TODO: we can likely just reuse "onMessage" below
const from_jid = Strophe.getBareJidFromJid(message.getAttribute('from'));
if (utils.isSameBareJID(from_jid, _converse.bare_jid)) {
return true;
}
// Get chat box, but only create a new one when the message has a body.
const chatbox = this.getChatBox(from_jid);
if (!chatbox) {
return true;
}
chatbox.createMessage(message, null, message);
return true;
},
onMessage (message) {
/* Handler method for all incoming single-user chat "message"
* stanzas.
*/
let contact_jid, delay, resource,
from_jid = message.getAttribute('from'),
to_jid = message.getAttribute('to');
const original_stanza = message,
to_resource = Strophe.getResourceFromJid(to_jid),
is_carbon = !_.isNull(message.querySelector(`received[xmlns="${Strophe.NS.CARBONS}"]`));
if (_converse.filter_by_resource && (to_resource && to_resource !== _converse.resource)) {
_converse.log(
`onMessage: Ignoring incoming message intended for a different resource: ${to_jid}`,
Strophe.LogLevel.INFO
);
return true;
} else if (utils.isHeadlineMessage(message)) {
// XXX: Ideally we wouldn't have to check for headline
// messages, but Prosody sends headline messages with the
// wrong type ('chat'), so we need to filter them out here.
_converse.log(
`onMessage: Ignoring incoming headline message sent with type 'chat' from JID: ${from_jid}`,
Strophe.LogLevel.INFO
);
return true;
}
const forwarded = message.querySelector('forwarded');
if (!_.isNull(forwarded)) {
const forwarded_message = forwarded.querySelector('message');
const forwarded_from = forwarded_message.getAttribute('from');
if (is_carbon && Strophe.getBareJidFromJid(forwarded_from) !== from_jid) {
// Prevent message forging via carbons
//
// https://xmpp.org/extensions/xep-0280.html#security
return true;
}
message = forwarded_message;
delay = forwarded.querySelector('delay');
from_jid = message.getAttribute('from');
to_jid = message.getAttribute('to');
}
const from_bare_jid = Strophe.getBareJidFromJid(from_jid),
from_resource = Strophe.getResourceFromJid(from_jid),
is_me = from_bare_jid === _converse.bare_jid;
if (is_me) {
// I am the sender, so this must be a forwarded message...
contact_jid = Strophe.getBareJidFromJid(to_jid);
resource = Strophe.getResourceFromJid(to_jid);
} else {
contact_jid = from_bare_jid;
resource = from_resource;
}
// Get chat box, but only create a new one when the message has a body.
const chatbox = this.getChatBox(contact_jid, !_.isNull(message.querySelector('body'))),
msgid = message.getAttribute('id');
if (chatbox) {
const messages = msgid && chatbox.messages.findWhere({msgid}) || [];
if (_.isEmpty(messages)) {
// Only create the message when we're sure it's not a
// duplicate
chatbox.incrementUnreadMsgCounter(original_stanza);
chatbox.createMessage(message, delay, original_stanza);
}
}
_converse.emit('message', {'stanza': original_stanza, 'chatbox': chatbox});
return true;
},
createChatBox (jid, attrs) {
/* Creates a chat box
*
* Parameters:
* (String) jid - The JID of the user for whom a chat box
* gets created.
* (Object) attrs - Optional chat box atributes.
*/
const bare_jid = Strophe.getBareJidFromJid(jid),
roster_item = _converse.roster.get(bare_jid);
let roster_info = {};
if (! _.isUndefined(roster_item)) {
roster_info = {
'fullname': _.isEmpty(roster_item.get('fullname'))? jid: roster_item.get('fullname'),
'image_type': roster_item.get('image_type'),
'image': roster_item.get('image'),
'url': roster_item.get('url'),
};
} else if (!_converse.allow_non_roster_messaging) {
_converse.log(`Could not get roster item for JID ${bare_jid}`+
' and allow_non_roster_messaging is set to false',
Strophe.LogLevel.ERROR);
return;
}
return this.create(_.assignIn({
'id': bare_jid,
'jid': bare_jid,
'fullname': jid,
'image_type': _converse.DEFAULT_IMAGE_TYPE,
'image': _converse.DEFAULT_IMAGE,
'url': '',
}, roster_info, attrs || {}));
},
getChatBox (jid, create, attrs) {
/* Returns a chat box or optionally return a newly
* created one if one doesn't exist.
*
* Parameters:
* (String) jid - The JID of the user whose chat box we want
* (Boolean) create - Should a new chat box be created if none exists?
* (Object) attrs - Optional chat box atributes.
*/
jid = jid.toLowerCase();
let chatbox = this.get(Strophe.getBareJidFromJid(jid));
if (!chatbox && create) {
chatbox = this.createChatBox(jid, attrs);
}
return chatbox;
}
});
_converse.ChatBoxViews = Backbone.Overview.extend({
initialize () {
this.model.on("add", this.onChatBoxAdded, this);
this.model.on("destroy", this.removeChat, this);
},
_ensureElement () {
/* Override method from backbone.js
* If the #conversejs element doesn't exist, create it.
*/
if (!this.el) {
let el = document.querySelector('#conversejs');
if (_.isNull(el)) {
el = document.createElement('div');
el.setAttribute('id', 'conversejs');
// Converse.js expects a <body> tag to be present.
document.querySelector('body').appendChild(el);
}
el.innerHTML = '';
this.setElement(el, false);
} else {
this.setElement(_.result(this, 'el'), false);
}
},
onChatBoxAdded (item) {
// Views aren't created here, since the core code doesn't
// contain any views. Instead, they're created in overrides in
// plugins, such as in converse-chatview.js and converse-muc.js
return this.get(item.get('id'));
},
removeChat (item) {
this.remove(item.get('id'));
},
closeAllChatBoxes () {
/* This method gets overridden in src/converse-controlbox.js if
* the controlbox plugin is active.
*/
this.each(function (view) { view.close(); });
return this;
},
chatBoxMayBeShown (chatbox) {
return this.model.chatBoxMayBeShown(chatbox);
},
getChatBox (attrs, create) {
let chatbox = this.model.get(attrs.jid);
if (!chatbox && create) {
chatbox = this.model.create(attrs, {
'error' (model, response) {
_converse.log(response.responseText);
}
});
}
return chatbox;
},
showChat (attrs) {
/* Find the chat box and show it (if it may be shown).
* If it doesn't exist, create it.
*/
const chatbox = this.getChatBox(attrs, true);
if (this.chatBoxMayBeShown(chatbox)) {
chatbox.trigger('show', true);
}
return chatbox;
}
});
// BEGIN: Event handlers
_converse.api.listen.on('pluginsInitialized', () => {
_converse.chatboxes = new _converse.ChatBoxes();
_converse.chatboxviews = new _converse.ChatBoxViews({
'model': _converse.chatboxes
});
_converse.emit('chatBoxesInitialized');
});
_converse.api.listen.on('beforeTearDown', () => {
_converse.chatboxes.remove(); // Don't call off(), events won't get re-registered upon reconnect.
delete _converse.chatboxes.browserStorage;
});
// END: Event handlers
_converse.getViewForChatBox = function (chatbox) {
if (!chatbox) { return; }
return _converse.chatboxviews.get(chatbox.get('id'));
};
/* We extend the default converse.js API */
_.extend(_converse.api, {
'chats': {
'open' (jids, attrs) {
if (_.isUndefined(jids)) {
_converse.log("chats.open: You need to provide at least one JID", Strophe.LogLevel.ERROR);
return null;
} else if (_.isString(jids)) {
return _converse.getViewForChatBox(
_converse.chatboxes.getChatBox(jids, true, attrs).trigger('show')
);
}
return _.map(jids, (jid) =>
_converse.getViewForChatBox(
_converse.chatboxes.getChatBox(jid, true, attrs).trigger('show')
)
);
},
'get' (jids) {
if (_.isUndefined(jids)) {
const result = [];
_converse.chatboxes.each(function (chatbox) {
// FIXME: Leaky abstraction from MUC. We need to add a
// base type for chat boxes, and check for that.
if (chatbox.get('type') !== 'chatroom') {
result.push(_converse.getViewForChatBox(chatbox));
}
});
return result;
} else if (_.isString(jids)) {
return _converse.getViewForChatBox(_converse.chatboxes.getChatBox(jids));
}
return _.map(jids,
_.partial(
_.flow(
_converse.chatboxes.getChatBox.bind(_converse.chatboxes),
_converse.getViewForChatBox.bind(_converse)
), _, true
)
);
}
}
});
}
});
return converse;
}));