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sources/apps/user_cas/lib/hooks.php
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<?php
/**
* ownCloud - user_cas
*
* @author Sixto Martin <sixto.martin.garcia@gmail.com>
* @copyright Sixto Martin Garcia. 2012
*
* 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/>.
*
*/
/**
* This class contains all hooks.
*/
class OC_USER_CAS_Hooks {
static public function post_login($parameters) {
$uid = $parameters['uid'];
$casBackend = new OC_USER_CAS();
if (phpCAS::isAuthenticated()) {
$attributes = phpCAS::getAttributes();
$cas_uid = phpCAS::getUser();
if ($cas_uid == $uid) {
if (array_key_exists($casBackend->mailMapping, $attributes)) {
$cas_email = $attributes[$casBackend->mailMapping][0];
}
if (array_key_exists($casBackend->groupMapping, $attributes)) {
$cas_groups = $attributes[$casBackend->groupMapping];
}
else if (!empty($casBackend->defaultGroup)) {
$cas_groups = array($casBackend->defaultGroup);
OC_Log::write('cas','Using default group "'.$casBackend->defaultGroup.'" for the user: '.$uid, OC_Log::DEBUG);
}
if (!OC_User::userExists($uid)) {
if (preg_match( '/[^a-zA-Z0-9 _\.@\-]/', $uid)) {
OC_Log::write('cas','Invalid username "'.$uid.'", allowed chars "a-zA-Z0-9" and "_.@-" ',OC_Log::DEBUG);
return false;
}
else {
$random_password = OC_Util::generate_random_bytes(20);
OC_Log::write('cas','Creating new user: '.$uid, OC_Log::DEBUG);
OC_User::createUser($uid, $random_password);
if(OC_User::userExists($uid)) {
if (isset($cas_email)) {
update_mail($uid, $cas_email);
}
if (isset($cas_groups)) {
update_groups($uid, $cas_groups, $casBackend->protectedGroups, true);
}
}
}
}
else {
if ($casBackend->updateUserData) {
OC_Log::write('cas','Updating data of the user: '.$uid,OC_Log::DEBUG);
if(isset($cas_email)) {
update_mail($uid, $cas_email);
}
if (isset($cas_groups)) {
update_groups($uid, $cas_groups, $casBackend->protectedGroups, false);
}
}
}
return true;
}
}
return false;
}
static public function logout($parameters) {
$casBackend = new OC_USER_CAS();
if (phpCAS::isAuthenticated()) {
OC_Log::write('cas','Executing CAS logout: '.$parameters['uid'],OC_Log::DEBUG);
phpCAS::logout();
}
return true;
}
}
function update_mail($uid, $email) {
if ($email != OC_Preferences::getValue($uid, 'settings', 'email', '')) {
OC_Preferences::setValue($uid, 'settings', 'email', $email);
OC_Log::write('cas','Set email "'.$email.'" for the user: '.$uid, OC_Log::DEBUG);
}
}
function update_groups($uid, $groups, $protected_groups=array(), $just_created=false) {
if(!$just_created) {
$old_groups = OC_Group::getUserGroups($uid);
foreach($old_groups as $group) {
if(!in_array($group, $protected_groups) && !in_array($group, $groups)) {
OC_Group::removeFromGroup($uid,$group);
OC_Log::write('cas','Removed "'.$uid.'" from the group "'.$group.'"', OC_Log::DEBUG);
}
}
}
foreach($groups as $group) {
if (preg_match( '/[^a-zA-Z0-9 _\.@\-]/', $group)) {
OC_Log::write('cas','Invalid group "'.$group.'", allowed chars "a-zA-Z0-9" and "_.@-" ',OC_Log::DEBUG);
}
else {
if (!OC_Group::inGroup($uid, $group)) {
if (!OC_Group::groupExists($group)) {
OC_Group::createGroup($group);
OC_Log::write('cas','New group created: '.$group, OC_Log::DEBUG);
}
OC_Group::addToGroup($uid, $group);
OC_Log::write('cas','Added "'.$uid.'" to the group "'.$group.'"', OC_Log::DEBUG);
}
}
}
}
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