| <?php |
| |
| namespace LdapRecord\Auth; |
| |
| use Exception; |
| use LdapRecord\Auth\Events\Attempting; |
| use LdapRecord\Auth\Events\Binding; |
| use LdapRecord\Auth\Events\Bound; |
| use LdapRecord\Auth\Events\Failed; |
| use LdapRecord\Auth\Events\Passed; |
| use LdapRecord\Configuration\DomainConfiguration; |
| use LdapRecord\Events\DispatcherInterface; |
| use LdapRecord\LdapInterface; |
| |
| class Guard |
| { |
| /** |
| * The connection to bind to. |
| * |
| * @var LdapInterface |
| */ |
| protected $connection; |
| |
| /** |
| * The domain configuration to utilize. |
| * |
| * @var DomainConfiguration |
| */ |
| protected $configuration; |
| |
| /** |
| * The event dispatcher. |
| * |
| * @var DispatcherInterface |
| */ |
| protected $events; |
| |
| /** |
| * Constructor. |
| * |
| * @param LdapInterface $connection |
| * @param DomainConfiguration $configuration |
| */ |
| public function __construct(LdapInterface $connection, DomainConfiguration $configuration) |
| { |
| $this->connection = $connection; |
| $this->configuration = $configuration; |
| } |
| |
| /** |
| * Attempt binding a user to the LDAP server. |
| * |
| * @param string $username |
| * @param string $password |
| * @param bool $stayBound |
| * |
| * @throws UsernameRequiredException |
| * @throws PasswordRequiredException |
| * |
| * @return bool |
| */ |
| public function attempt($username, $password, $stayBound = false) |
| { |
| switch (true) { |
| case empty($username): |
| throw new UsernameRequiredException('A username must be specified.'); |
| case empty($password): |
| throw new PasswordRequiredException('A password must be specified.'); |
| } |
| |
| $this->fireAttemptingEvent($username, $password); |
| |
| try { |
| $this->bind($username, $password); |
| |
| $authenticated = true; |
| |
| $this->firePassedEvent($username, $password); |
| } catch (BindException $e) { |
| $authenticated = false; |
| } |
| |
| if (! $stayBound) { |
| $this->bindAsConfiguredUser(); |
| } |
| |
| return $authenticated; |
| } |
| |
| /** |
| * Attempt binding a user to the LDAP server. Supports anonymous binding. |
| * |
| * @param string|null $username |
| * @param string|null $password |
| * |
| * @throws BindException |
| * @throws \LdapRecord\ConnectionException |
| */ |
| public function bind($username = null, $password = null) |
| { |
| $this->fireBindingEvent($username, $password); |
| |
| // Prior to binding, we will upgrade our connectivity to TLS on our current |
| // connection and ensure we are not already bound before upgrading. |
| // This is to prevent subsequent upgrading on several binds. |
| if ($this->connection->isUsingTLS() && ! $this->connection->isBound()) { |
| $this->connection->startTLS(); |
| } |
| |
| try { |
| if (! $this->connection->bind($username, $password)) { |
| throw new Exception($this->connection->getLastError(), $this->connection->errNo()); |
| } |
| |
| $this->fireBoundEvent($username, $password); |
| } catch (Exception $e) { |
| $this->fireFailedEvent($username, $password); |
| |
| throw BindException::withDetailedError($e, $this->connection->getDetailedError()); |
| } |
| } |
| |
| /** |
| * Bind to the LDAP server using the configured username and password. |
| * |
| * @throws BindException |
| * @throws \LdapRecord\ConnectionException |
| * @throws \LdapRecord\Configuration\ConfigurationException |
| */ |
| public function bindAsConfiguredUser() |
| { |
| $this->bind( |
| $this->configuration->get('username'), |
| $this->configuration->get('password') |
| ); |
| } |
| |
| /** |
| * Get the event dispatcher instance. |
| * |
| * @return DispatcherInterface |
| */ |
| public function getDispatcher() |
| { |
| return $this->events; |
| } |
| |
| /** |
| * Set the event dispatcher instance. |
| * |
| * @param DispatcherInterface $dispatcher |
| * |
| * @return void |
| */ |
| public function setDispatcher(DispatcherInterface $dispatcher) |
| { |
| $this->events = $dispatcher; |
| } |
| |
| /** |
| * Fire the attempting event. |
| * |
| * @param string $username |
| * @param string $password |
| * |
| * @return void |
| */ |
| protected function fireAttemptingEvent($username, $password) |
| { |
| if (isset($this->events)) { |
| $this->events->fire(new Attempting($this->connection, $username, $password)); |
| } |
| } |
| |
| /** |
| * Fire the passed event. |
| * |
| * @param string $username |
| * @param string $password |
| * |
| * @return void |
| */ |
| protected function firePassedEvent($username, $password) |
| { |
| if (isset($this->events)) { |
| $this->events->fire(new Passed($this->connection, $username, $password)); |
| } |
| } |
| |
| /** |
| * Fire the failed event. |
| * |
| * @param string $username |
| * @param string $password |
| * |
| * @return void |
| */ |
| protected function fireFailedEvent($username, $password) |
| { |
| if (isset($this->events)) { |
| $this->events->fire(new Failed($this->connection, $username, $password)); |
| } |
| } |
| |
| /** |
| * Fire the binding event. |
| * |
| * @param string $username |
| * @param string $password |
| * |
| * @return void |
| */ |
| protected function fireBindingEvent($username, $password) |
| { |
| if (isset($this->events)) { |
| $this->events->fire(new Binding($this->connection, $username, $password)); |
| } |
| } |
| |
| /** |
| * Fire the bound event. |
| * |
| * @param string $username |
| * @param string $password |
| * |
| * @return void |
| */ |
| protected function fireBoundEvent($username, $password) |
| { |
| if (isset($this->events)) { |
| $this->events->fire(new Bound($this->connection, $username, $password)); |
| } |
| } |
| } |