gnu-social/plugins/DomainWhitelist/DomainWhitelistPlugin.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* Restrict the email addresses in a domain to a select whitelist
*
* PHP version 5
*
* 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/>.
*
* @category Cache
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
// This check helps protect against security problems;
// your code file can't be executed directly from the web.
exit(1);
}
/**
* Restrict the email addresses to a domain whitelist
*
* @category General
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class DomainWhitelistPlugin extends Plugin
{
function onRequireValidatedEmailPlugin_Override($user, &$knownGood)
{
$knownGood = (!empty($user->email) && $this->matchesWhitelist($user->email));
return true;
}
function onEndValidateUserEmail($user, $email, &$valid)
{
if ($valid) { // it's otherwise valid
if (!$this->matchesWhitelist($email)) {
$whitelist = $this->getWhitelist();
if (count($whitelist) == 1) {
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// TRANS: Client exception thrown when a given e-mailaddress is not in the domain whitelist.
// TRANS: %s is a whitelisted e-mail domain.
$message = sprintf(_m('Email address must be in this domain: %s.'),
$whitelist[0]);
} else {
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// TRANS: Client exception thrown when a given e-mailaddress is not in the domain whitelist.
// TRANS: %s are whitelisted e-mail domains separated by comma's (localisable).
$message = sprintf(_('Email address must be in one of these domains: %s.'),
// TRANS: Separator for whitelisted domains.
implode(_m('SEPARATOR',', '), $whitelist));
}
throw new ClientException($message);
}
}
return true;
}
function onStartAddEmailAddress($user, $email)
{
if (!$this->matchesWhitelist($email)) {
// TRANS: Exception thrown when an e-mail address does not match the site's domain whitelist.
throw new Exception(_('That email address is not allowed on this site.'));
}
return true;
}
function onEndValidateEmailInvite($user, $email, &$valid)
{
if ($valid) {
$valid = $this->matchesWhitelist($email);
}
return true;
}
function matchesWhitelist($email)
{
$whitelist = $this->getWhitelist();
if (empty($whitelist)) {
return true;
}
$parts = explode('@', $email);
$userDomain = strtolower(trim($parts[1]));
return in_array($userDomain, $whitelist);
}
function getWhitelist()
{
$whitelist = common_config('email', 'whitelist');
if (is_array($whitelist)) {
return $whitelist;
} else {
return explode('|', $whitelist);
}
}
function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'DomainWhitelist',
'version' => STATUSNET_VERSION,
'author' => 'Evan Prodromou',
'homepage' => 'http://status.net/wiki/Plugin:DomainWhitelist',
'rawdescription' =>
// TRANS: Plugin description.
_m('Restrict domains for email users.'));
return true;
}
}