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<?php |
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declare(strict_types=1); |
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/** |
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* Micro |
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* |
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* @copyright Copryright (c) 2015-2018 gyselroth GmbH (https://gyselroth.com) |
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* @license MIT https://opensource.org/licenses/MIT |
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*/ |
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namespace Micro\Auth\Adapter\Basic; |
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use Micro\Auth\Adapter\AdapterInterface; |
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use Micro\Auth\Exception; |
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use Micro\Auth\Ldap as LdapServer; |
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use Psr\Log\LoggerInterface; |
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class Ldap extends AbstractBasic |
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{ |
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/** |
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* Ldap. |
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* |
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* @var LdapServer |
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*/ |
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protected $ldap; |
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/** |
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* LDAP DN. |
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* |
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* @var string |
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*/ |
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protected $ldap_dn; |
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/** |
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* Account filter. |
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* |
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* @var string |
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*/ |
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protected $account_filter = '(uid=%s)'; |
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/** |
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* Logger. |
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* |
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* @var LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* Init. |
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* |
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* @param LdapServer $ldap |
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* @param LoggerInterface $logger |
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* @param iterable $config |
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*/ |
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public function __construct(LdapServer $ldap, LoggerInterface $logger, ?Iterable $config = null) |
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{ |
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parent::__construct($logger); |
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$this->ldap = $ldap; |
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$this->setOptions($config); |
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} |
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/** |
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* Setup. |
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*/ |
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public function setup(): bool |
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{ |
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$this->ldap->connect(); |
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return true; |
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} |
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/** |
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* Set options. |
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* |
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* @param iterable $config |
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* |
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* @return AdapterInterface |
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*/ |
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public function setOptions(? Iterable $config = null): AdapterInterface |
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{ |
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if (null === $config) { |
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return $this; |
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} |
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foreach ($config as $option => $value) { |
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switch ($option) { |
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case 'account_filter': |
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$this->account_filter = $value; |
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unset($config[$option]); |
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break; |
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} |
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} |
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parent::setOptions($config); |
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return $this; |
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} |
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/** |
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* LDAP Auth. |
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* |
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* @param string $username |
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* @param string $password |
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* |
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* @return bool |
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*/ |
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public function plainAuth(string $username, string $password): bool |
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{ |
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$resource = $this->ldap->getResource(); |
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$esc_username = ldap_escape($username); |
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$filter = htmlspecialchars_decode(sprintf($this->account_filter, $esc_username)); |
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$result = ldap_search($resource, $this->ldap->getBase(), $filter, ['dn', $this->identity_attribute]); |
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$entries = ldap_get_entries($resource, $result); |
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if (0 === $entries['count']) { |
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$this->logger->warning("user not found with ldap filter [{$filter}]", [ |
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'category' => get_class($this), |
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]); |
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return false; |
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} |
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if ($entries['count'] > 1) { |
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$this->logger->warning("more than one user found with ldap filter [{$filter}]", [ |
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'category' => get_class($this), |
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]); |
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return false; |
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} |
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$dn = $entries[0]['dn']; |
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$this->logger->info("found ldap user [{$dn}] with filter [{$filter}]", [ |
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'category' => get_class($this), |
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]); |
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$result = ldap_bind($resource, $dn, $password); |
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$this->logger->info("bind ldap user [{$dn}]", [ |
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'category' => get_class($this), |
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'result' => $result, |
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]); |
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if (false === $result) { |
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return false; |
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} |
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if (!isset($entries[0][$this->identity_attribute])) { |
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throw new Exception\IdentityAttributeNotFound('identity attribute not found'); |
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} |
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$this->identifier = $entries[0][$this->identity_attribute][0]; |
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$this->ldap_dn = $dn; |
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return true; |
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} |
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/** |
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* Get attributes. |
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* |
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* @return array |
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*/ |
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public function getAttributes(): array |
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{ |
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$search = array_column($this->map, 'attr'); |
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$result = ldap_read($this->ldap->getResource(), $this->ldap_dn, '(objectClass=*)', $search); |
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$entries = ldap_get_entries($this->ldap->getResource(), $result); |
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$attributes = $entries[0]; |
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$this->logger->info("get ldap user [{$this->ldap_dn}] attributes", [ |
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'category' => get_class($this), |
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'params' => $attributes, |
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]); |
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return $attributes; |
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} |
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} |
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