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<?php |
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/** |
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* sysPass |
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* |
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* @author nuxsmin |
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* @link https://syspass.org |
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* @copyright 2012-2018, Rubén Domínguez nuxsmin@$syspass.org |
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* |
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* This file is part of sysPass. |
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* |
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* sysPass is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* sysPass is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with sysPass. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace SP\Providers\Auth\Ldap; |
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use SP\Core\Events\Event; |
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use SP\Core\Events\EventMessage; |
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/** |
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* Class LdapStd |
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* |
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* Autentificación basada en LDAP estándard |
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* |
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* @package SP\Auth\Ldap |
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*/ |
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final class LdapStd extends Ldap |
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{ |
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const FILTER_USER_OBJECT = '(|(objectClass=inetOrgPerson)(objectClass=person)(objectClass=simpleSecurityObject))'; |
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const FILTER_GROUP_OBJECT = '(|(objectClass=groupOfNames)(objectClass=groupOfUniqueNames)(objectClass=group))'; |
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const FILTER_USER_ATTRIBUTES = ['samaccountname', 'cn', 'uid', 'userPrincipalName']; |
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const FILTER_GROUP_ATTRIBUTES = ['memberOf', 'groupMembership']; |
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/** |
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* Devolver el filtro para objetos del tipo grupo |
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* |
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* @return string |
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*/ |
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public function getGroupObjectFilter(): string |
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{ |
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return self::FILTER_GROUP_OBJECT; |
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} |
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/** |
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* Devolver el filtro para comprobar la pertenecia al grupo |
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* |
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* @return string |
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* @throws \SP\Core\Exceptions\SPException |
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*/ |
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public function getGroupMembershipFilter(): string |
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{ |
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if (empty($this->ldapParams->getGroup())) { |
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return self::FILTER_USER_OBJECT; |
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} |
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return '(&(|' |
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. LdapUtil::getAttributesForFilter( |
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self::FILTER_GROUP_ATTRIBUTES, |
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$this->getGroupDn()) |
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. ')' . self::FILTER_USER_OBJECT |
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. ')'; |
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} |
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/** |
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* Obtener el filtro para buscar el usuario |
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* |
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* @param string $userLogin |
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* |
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* @return mixed |
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*/ |
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public function getUserDnFilter(string $userLogin): string |
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{ |
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return '(&(|' |
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. LdapUtil::getAttributesForFilter(self::FILTER_USER_ATTRIBUTES, $userLogin) |
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. ')' |
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. self::FILTER_USER_OBJECT |
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. ')'; |
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} |
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/** |
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* Buscar al usuario en un grupo. |
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* |
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* @param string $userDn |
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* @param array $groupsDn |
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* |
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* @return bool |
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* @throws LdapException |
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*/ |
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public function isUserInGroup(string $userDn, array $groupsDn): bool |
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{ |
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// Comprobar si está establecido el filtro de grupo o el grupo coincide con |
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// los grupos del usuario |
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if (empty($this->ldapParams->getGroup()) |
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|| $this->ldapParams->getGroup() === '*' |
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|| in_array($this->getGroupDn(), $groupsDn) |
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) { |
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$this->eventDispatcher->notifyEvent('ldap.check.group', |
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new Event($this, EventMessage::factory() |
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->addDescription(__u('Usuario verificado en grupo')) |
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->addDetail(__u('Usuario'), $userDn))); |
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return true; |
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} |
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return $this->checkUserInGroupByFilter($userDn); |
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} |
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/** |
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* @param string $userDn |
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* |
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* @return bool |
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* @throws LdapException |
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*/ |
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private function checkUserInGroupByFilter(string $userDn): bool |
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{ |
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$groupName = ldap_escape($this->getGroupFromParams(), null, LDAP_ESCAPE_FILTER); |
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$userDN = ldap_escape($userDn, null, LDAP_ESCAPE_FILTER); |
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$filter = '(&(cn=' . $groupName . ')' |
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. '(|(memberUid=' . $userDN . ')(member=' . $userDN . ')(uniqueMember=' . $userDN . '))' |
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. self::FILTER_GROUP_OBJECT |
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. ')'; |
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$searchResults = $this->ldapActions->getObjects($filter, ['dn']); |
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if (isset($searchResults['count']) |
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&& (int)$searchResults['count'] === 0 |
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) { |
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$this->eventDispatcher->notifyEvent('ldap.check.group', |
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new Event($this, EventMessage::factory() |
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->addDescription(__u('Usuario no pertenece al grupo')) |
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->addDetail(__u('Usuario'), $userDn) |
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->addDetail(__u('Grupo'), $groupName) |
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->addDetail('LDAP FILTER', $filter))); |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Obtener el servidor de LDAP a utilizar |
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* |
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* @return mixed |
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*/ |
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protected function pickServer() |
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{ |
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return $this->ldapParams->getServer(); |
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} |
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/** |
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* @return bool |
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* @throws \SP\Core\Exceptions\SPException |
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*/ |
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protected function connect() |
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{ |
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$handler = parent::connect(); |
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@ldap_set_option($handler, LDAP_OPT_REFERRALS, 0); |
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return true; |
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} |
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} |
nuxsmin /
sysPass
If you suppress an error, we recommend checking for the error condition explicitly: