// SPDX-License-Identifier: AGPL-3.0-or-later
/*
#
# This file is part of FreedomBox.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see .
#
# This file based on example code from Javascript XMPP Client which is
# licensed as follows.
#
# The MIT License (MIT)
#
# Copyright (c) 2014 Klaus Herberth
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
*/
// Provide compatibility with jQuery Core >= 3.5 by expanding HTML code similar
// to how it was done before jQuery Core < 3.5. This code was removed because it
// is potentially insecure when the HTML code being parsed is coming from the
// user input. See: https://jquery.com/upgrade-guide/3.5/ . JSXC >= 4.0 likely
// does not need this.
var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi;
jQuery.htmlPrefilter = function(html) {
return html.replace(rxhtmlTag, "<$1>$2>");
};
$(function() {
const body = document.querySelector('body');
const root = body.getAttribute('data-jsxc-root');
const domain = body.getAttribute('data-domain');
var settings = {
url: '/bosh/',
domain: domain
};
jsxc.init({
loginForm: {
form: '#jsxc-login-form',
jid: '#jsxc-username',
pass: '#jsxc-password',
onAuthFail: 'ask',
},
checkFlash: false,
rosterAppend: 'body',
root: root,
otr: {
debug: true,
SEND_WHITESPACE_TAG: true,
WHITESPACE_START_AKE: true
},
loadSettings: function(username, password) {
return {
xmpp: {
url: settings.url,
domain: settings.domain,
resource: 'jsxc',
overwrite: true,
onlogin: true
}
};
}
});
// Form elements which needs to be enabled/disabled
var formElements = $('#jsxc-login-form').find('input');
// Click on logout button to logout
$('.logout').on('click', function() {
jsxc.triggeredFromElement = true;
return jsxc.xmpp.logout();
});
var logged_in_state = function() {
formElements.prop('disabled', true);
$('.submit').hide();
$('.logout').show();
};
var logged_out_state = function() {
formElements.prop('disabled', false);
$('.submit').show();
$('.logout').hide();
};
$(document).on('close.dialog.jsxc', function() {
jsxc.debug('Event triggered close.dialog.jsxc');
});
$(document).on('connecting.jsxc', function() {
jsxc.debug('Event triggered connecting.jsxc');
formElements.prop('disabled', true);
});
$(document).on('restoreCompleted.jsxc', function() {
jsxc.debug('Event triggered restoreCompleted.jsxc');
logged_in_state();
});
$(document).on('connected.jsxc', function() {
jsxc.debug('Event triggered connected.jsxc');
logged_in_state();
});
$(document).on('authfail.jsxc', function() {
jsxc.debug('Event triggered authfail.jsxc');
logged_out_state();
$('#jsxc-login-form').find('.submit').button('reset');
});
$(document).on('attached.jsxc', function() {
jsxc.debug('Event triggered attached.jsxc');
logged_in_state();
});
$(document).on('disconnected.jsxc', function() {
$('#jsxc-login-form').find('button').button('reset');
logged_out_state();
});
// Load xmpp domain from storage
if (typeof localStorage.getItem('xmpp-domain') === 'string') {
$('#xmpp-domain').val(localStorage.getItem('xmpp-domain'));
} else {
$('#xmpp-domain').val(settings.domain);
}
// Check bosh url, if input changed
$('#xmpp-domain').on('input', function(){
var self = $(this);
var timeout = self.data('timeout');
if (timeout) {
clearTimeout(timeout);
}
var domain = $('#xmpp-domain').val();
if (!domain) {
// we need domain to test BOSH server
return;
}
localStorage.setItem('xmpp-domain', domain);
settings.domain = domain;
$('#server-flash').removeClass('success fail').text('Testing...');
// test only every 2 seconds
timeout = setTimeout(function() {
testBoshServer(settings.url, $('#xmpp-domain').val(), function(result) {
$('#server-flash').removeClass('success fail').addClass(result.status).html(result.msg);
});
}, 2000);
self.data('timeout', timeout);
});
// check initial bosh url
$('#xmpp-domain').trigger('input');
});
/**
* Test if bosh server is up and running.
*
* @param {string} url BOSH url
* @param {string} domain host domain for BOSH server
* @param {Function} cb called if test is done
*/
function testBoshServer(url, domain, cb) {
var rid = jsxc.storage.getItem('rid') || '123456';
function fail(m) {
var msg = 'BOSH server NOT reachable or misconfigured.';
if (typeof m === 'string') {
msg += '
' + m;
}
cb({
status: 'fail',
msg: msg
});
}
$.ajax({
type: 'POST',
url: url,
data: "",
global: false,
dataType: 'xml'
}).done(function(stanza) {
if (typeof stanza === 'string') {
// shouldn't be needed anymore, because of dataType
stanza = $.parseXML(stanza);
}
var body = $(stanza).find('body[xmlns="http://jabber.org/protocol/httpbind"]');
var condition = (body) ? body.attr('condition') : null;
var type = (body) ? body.attr('type') : null;
// we got a valid xml response, but we have test for errors
if (body.length > 0 && type !== 'terminate') {
cb({
status: 'success',
msg: 'BOSH Server reachable.'
});
} else {
if (condition === 'internal-server-error') {
fail('Internal server error: ' + body.text());
} else if (condition === 'host-unknown') {
if (url) {
fail('Host unknown: ' + domain + ' is unknown to your XMPP server.');
} else {
fail('Host unknown: Please provide a XMPP domain.');
}
} else {
fail(condition);
}
}
}).fail(function(xhr, textStatus) {
// no valid xml, not found or csp issue
var fullurl;
if (url.match(/^https?:\/\//)) {
fullurl = url;
} else {
fullurl = window.location.protocol + '//' + window.location.host;
if (url.match(/^\//)) {
fullurl += url;
} else {
fullurl += window.location.pathname.replace(/[^/]+$/, "") + url;
}
}
if(xhr.status === 0) {
// cross-side
fail('Cross domain request was not possible.');
} else if (xhr.status === 404) {
// not found
fail('Your server responded with "404 Not Found". Please check if your BOSH server is running and reachable via ' + fullurl + '.');
} else if (textStatus === 'parsererror') {
fail('Invalid XML received. Maybe ' + fullurl + ' was redirected. You should use an absolute url.');
} else {
fail(xhr.status + ' ' + xhr.statusText);
}
});
}