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<?php
/**
* ownCloud - user_saml
*
* @author Sixto Martin <smartin@yaco.es>
* @copyright 2012 Yaco Sistemas // CONFIA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
class OC_USER_SAML extends OC_User_Backend {
// cached settings
protected $sspPath;
protected $spSource;
public $forceLogin;
public $autocreate;
public $updateUserData;
public $protectedGroups;
public $defaultGroup;
public $usernameMapping;
public $mailMapping;
public $displayNameMapping;
public $quotaMapping;
public $defaultQuota;
public $groupMapping;
public $auth;
public function __construct() {
$this->sspPath = OCP\Config::getAppValue('user_saml', 'saml_ssp_path', '');
$this->spSource = OCP\Config::getAppValue('user_saml', 'saml_sp_source', '');
$this->forceLogin = OCP\Config::getAppValue('user_saml', 'saml_force_saml_login', false);
$this->autocreate = OCP\Config::getAppValue('user_saml', 'saml_autocreate', false);
$this->updateUserData = OCP\Config::getAppValue('user_saml', 'saml_update_user_data', false);
$this->defaultGroup = OCP\Config::getAppValue('user_saml', 'saml_default_group', '');
$this->protectedGroups = explode (',', preg_replace('/\s+/', '', OCP\Config::getAppValue('user_saml', 'saml_protected_groups', '')));
$this->usernameMapping = explode (',', preg_replace('/\s+/', '', OCP\Config::getAppValue('user_saml', 'saml_username_mapping', '')));
$this->mailMapping = explode (',', preg_replace('/\s+/', '', OCP\Config::getAppValue('user_saml', 'saml_email_mapping', '')));
$this->displayNameMapping = explode (',', preg_replace('/\s+/', '', OCP\Config::getAppValue('user_saml', 'saml_displayname_mapping', '')));
$this->quotaMapping = explode (',', preg_replace('/\s+/', '', OCP\Config::getAppValue('user_saml', 'saml_quota_mapping', '')));
$this->defaultQuota = OCP\Config::getAppValue('user_saml', 'saml_default_quota', '');
$this->groupMapping = explode (',', preg_replace('/\s+/', '', OCP\Config::getAppValue('user_saml', 'saml_group_mapping', '')));
if (!empty($this->sspPath) && !empty($this->spSource)) {
include_once $this->sspPath."/lib/_autoload.php";
$this->auth = new SimpleSAML_Auth_Simple($this->spSource);
if (isset($_COOKIE["user_saml_logged_in"]) AND $_COOKIE["user_saml_logged_in"] AND !$this->auth->isAuthenticated()) {
unset($_COOKIE["user_saml_logged_in"]);
setcookie("user_saml_logged_in", null, -1);
OCP\User::logout();
}
}
}
public function checkPassword($uid, $password) {
if(!$this->auth->isAuthenticated()) {
return false;
}
$attributes = $this->auth->getAttributes();
foreach($this->usernameMapping as $usernameMapping) {
if (array_key_exists($usernameMapping, $attributes) && !empty($attributes[$usernameMapping][0])) {
$uid = $attributes[$usernameMapping][0];
OCP\Util::writeLog('saml','Authenticated user '.$uid, OCP\Util::DEBUG);
if(!OCP\User::userExists($uid) && $this->autocreate) {
return $this->createUser($uid);
}
return $uid;
}
}
OCP\Util::writeLog('saml','Not found attribute used to get the username at the requested saml attribute assertion', OCP\Util::DEBUG);
$secure_cookie = OC_Config::getValue("forcessl", false);
$expires = time() + OC_Config::getValue('remember_login_cookie_lifetime', 60*60*24*15);
setcookie("user_saml_logged_in", "1", $expires, '', '', $secure_cookie);
return false;
}
private function createUser($uid) {
if (preg_match( '/[^a-zA-Z0-9 _\.@\-]/', $uid)) {
OCP\Util::writeLog('saml','Invalid username "'.$uid.'", allowed chars "a-zA-Z0-9" and "_.@-" ',OCP\Util::DEBUG);
return false;
} else {
$random_password = OCP\Util::generateRandomBytes(64);
OCP\Util::writeLog('saml','Creating new user: '.$uid, OCP\Util::DEBUG);
\OC::$server->getUserManager()->createUser($uid, $random_password);
return $uid;
}
}
}
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