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kolab2fa.js
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kolab2fa.js
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/**
* Kolab 2-Factor-Authentication plugin client functions
*
* @author Thomas Bruederli <bruederli@kolabsys.com>
*
* @licstart The following is the entire license notice for the
* JavaScript code in this page.
*
* Copyright (C) 2015, Kolab Systems AG <contact@kolabsys.com>
*
* 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 <http://www.gnu.org/licenses/>.
*
* @licend The above is the entire license notice
* for the JavaScript code in this page.
*/
window.rcmail && rcmail.addEventListener('init', function(evt) {
var highsec_call_stack = [];
var highsec_dialog;
var factor_dialog;
if (!rcmail.env.kolab_2fa_factors) {
rcmail.env.kolab_2fa_factors = {};
}
/**
* Equivalend of PHP time()
*/
function time() {
return Math.round(new Date().getTime() / 1000);
}
/**
* Render the settings UI
*/
function render() {
var table = $('#kolab2fa-factors tbody');
table.html('');
var rows = 0;
$.each(rcmail.env.kolab_2fa_factors, function(id, props) {
if (props.active) {
var tr = $('<tr>').addClass(props.method).appendTo(table),
button = $('<a class="button icon delete">').attr({href: '#', rel: id})
.append($('<span class="inner">').text(rcmail.get_label('remove','kolab_2fa')));
$('<td>').addClass('name').text(props.label || props.name).appendTo(tr);
$('<td>').addClass('created').text(props.created || '??').appendTo(tr);
$('<td>').addClass('actions buttons-cell').append(button).appendTo(tr);
rows++;
}
});
table.parent()[(rows > 0 ? 'show' : 'hide')]();
}
/**
* Open dialog to add the given authentication factor
*/
function add_factor(method) {
var lock, form = $('#kolab2fa-prop-' + method),
props = rcmail.env.kolab_2fa_factors[method];
if (form.length) {
form.get(0).reset();
form.find('img.qrcode').attr('src', 'data:image/gif;base64,R0lGODlhDwAPAIAAAMDAwAAAACH5BAEAAAAALAAAAAAPAA8AQAINhI+py+0Po5y02otnAQA7');
form.off('submit');
factor_dialog = rcmail.show_popup_dialog(
form.show(),
rcmail.get_label('addfactor', 'kolab_2fa'),
[
{
text: rcmail.gettext('save', 'kolab_2fa'),
'class': 'mainaction save',
click: function(e) {
save_data(method);
}
},
{
text: rcmail.gettext('cancel'),
'class': 'cancel',
click: function() {
factor_dialog.dialog('close');
}
}
],
{
open: function(event, ui) {
$(event.target).find('input[name="_verify_code"]').keypress(function(e) {
if (e.which == 13) {
$(e.target).closest('.ui-dialog').find('button.mainaction').click();
}
});
},
close: function(event, ui) {
form.hide().appendTo(document.body);
factor_dialog = null;
}
}
)
.data('method', method)
.data('timestamp', time());
form.on('submit', function(e) {
save_data(method);
return false;
});
// load generated data
lock = rcmail.set_busy(true, 'loading');
rcmail.http_post('plugin.kolab-2fa-data', { _method: method }, lock);
}
}
/**
* Remove the given factor from the account
*/
function remove_factor(id) {
if (rcmail.env.kolab_2fa_factors[id]) {
rcmail.env.kolab_2fa_factors[id].active = false;
}
render();
var lock = rcmail.set_busy(true, 'saving');
rcmail.http_post('plugin.kolab-2fa-save', { _method: id, _data: 'false' }, lock);
}
/**
* Submit factor settings form
*/
function save_data(method) {
var lock, data, form = $('#kolab2fa-prop-' + method),
verify = form.find('input[name="_verify_code"]');
if (verify.length && !verify.val().length) {
alert(rcmail.get_label('verifycodemissing','kolab_2fa'));
verify.select();
return false;
}
data = form_data(form);
lock = rcmail.set_busy(true, 'saving');
rcmail.http_post('plugin.kolab-2fa-save', {
_method: data.id || method,
_data: JSON.stringify(data),
_verify_code: verify.val(),
_timestamp: factor_dialog ? factor_dialog.data('timestamp') : null
}, lock);
}
/**
* Collect all factor properties from the form
*/
function form_data(form)
{
var data = {};
form.find('input, select').each(function(i, elem) {
if (elem.name.indexOf('_prop') === 0) {
k = elem.name.match(/\[([a-z0-9_.-]+)\]$/i) ? RegExp.$1 : null;
if (k) {
data[k] = elem.tagName == 'SELECT' ? $('option:selected', elem).val() : $(elem).val();
}
}
});
return data;
}
/**
* Execute the given function after the user authorized the session with a 2nd factor
*/
function require_high_security(func, exclude)
{
// request 2nd factor auth
if (!rcmail.env.session_secured || rcmail.env.session_secured < time() - 120) {
var method, name;
// find an active factor
$.each(rcmail.env.kolab_2fa_factors, function(id, prop) {
if (prop.active && !method || method == exclude) {
method = id;
name = prop.label || prop.name;
if (!exclude || id !== exclude) {
return true;
}
}
});
// we have a registered factor, use it
if (method) {
highsec_call_stack.push(func);
// TODO: list all active factors to choose from
var html = String($('#kolab2fa-highsecuritydialog').html()).replace('$name', name);
highsec_dialog = rcmail.show_popup_dialog(
html,
rcmail.get_label('highsecurityrequired', 'kolab_2fa'),
[
{
text: rcmail.gettext('enterhighsecurity', 'kolab_2fa'),
click: function(e) {
var lock, code = highsec_dialog.find('input[name="_code"]').val();
if (code && code.length) {
lock = rcmail.set_busy(true, 'verifying');
rcmail.http_post('plugin.kolab-2fa-verify', {
_method: method,
_code: code,
_session: 1,
_timestamp: highsec_dialog.data('timestamp')
}, lock);
}
else {
highsec_dialog.find('input[name="_code"]').select();
}
},
'class': 'mainaction save'
},
{
text: rcmail.gettext('cancel'),
'class': 'cancel',
click: function() {
highsec_dialog.dialog('close');
}
}
],
{
open: function(event, ui) {
// submit code on <Enter>
$(event.target).find('input[name="_code"]').keypress(function(e) {
if (e.which == 13) {
$(e.target).closest('.ui-dialog').find('button.mainaction').click();
}
}).select();
},
close: function(event, ui) {
$(this).remove();
highsec_dialog = null;
highsec_call_stack.pop();
}
}
).data('timestamp', time());
return false;
}
}
// just trigger the callback
func.call(this);
};
// callback for factor data provided by the server
rcmail.addEventListener('plugin.render_data', function(data) {
var method = data.method,
form = $('#kolab2fa-prop-' + method);
if (form.length) {
$.each(data, function(field, value) {
form.find('[name="_prop[' + field + ']"]').val(value);
});
if (data.qrcode) {
$('img.qrcode[rel='+method+']').attr('src', "data:image/png;base64," + data.qrcode);
}
}
else if (window.console) {
console.error("Cannot assign auth data", data);
}
});
// callback for save action
rcmail.addEventListener('plugin.save_success', function(data) {
if (!data.active && rcmail.env.kolab_2fa_factors[data.id]) {
delete rcmail.env.kolab_2fa_factors[data.id];
}
else if (rcmail.env.kolab_2fa_factors[data.id]) {
$.extend(rcmail.env.kolab_2fa_factors[data.id], data);
}
else {
rcmail.env.kolab_2fa_factors[data.id] = data;
}
if (factor_dialog) {
factor_dialog.dialog('close');
}
render();
});
// callback for verify action
rcmail.addEventListener('plugin.verify_response', function(data) {
// execute high-security call stack and close dialog
if (data.success && highsec_dialog && highsec_dialog.is(':visible')) {
var func;
while (highsec_call_stack.length) {
func = highsec_call_stack.pop();
func();
}
highsec_dialog.dialog('close');
rcmail.env.session_secured = time();
}
else {
rcmail.display_message(data.message, data.success ? 'confirmation' : 'warning');
if (highsec_dialog && highsec_dialog.is(':visible')) {
highsec_dialog.find('input[name="_code"]').val('').select();
}
else {
$('#kolab2fa-prop-' + data.method + ' input.k2fa-verify').val('').select();
}
}
});
// callback for save failure
rcmail.addEventListener('plugin.reset_form', function(method) {
if (rcmail.env.kolab_2fa_factors[method]) {
rcmail.env.kolab_2fa_factors[method].active = false;
}
render();
});
// handler for selections
$('#kolab2fa-add').change(function() {
var method = $('option:selected', this).val();
// require auth verification
require_high_security(function() {
add_factor(method);
});
this.selectedIndex = 0;
});
// handler for delete button clicks
$('#kolab2fa-factors tbody').on('click', '.button.delete', function(e) {
var id = $(this).attr('rel');
// require auth verification
require_high_security(function() {
if (confirm(rcmail.get_label('authremoveconfirm', 'kolab_2fa'))) {
remove_factor(id);
}
}, id);
return false;
});
// submit verification code on <Enter>
$('.propform input.k2fa-verify').keypress(function(e) {
if (e.which == 13) {
$(this).closest('.propform').find('.button.verify').click();
}
});
// render list initially
render();
});

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