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| <?php
namespace App\Security;
use Doctrine\ORM\EntityManagerInterface;
use App\Entity\User;
use Symfony\Component\Ldap\Entry;
use Symfony\Component\Ldap\Exception\ConnectionException;
use Symfony\Component\Ldap\Exception\ExceptionInterface;
use Symfony\Component\Ldap\LdapInterface;
use Symfony\Component\Ldap\Ldap;
use Symfony\Component\Security\Core\Exception\InvalidArgumentException;
use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
class LdapUserProvider implements UserProviderInterface, PasswordUpgraderInterface
{
private $ldap;
private $baseDn;
private $searchDn;
private $searchPassword;
private $defaultRoles;
private $uidKey;
private $defaultSearch;
private $passwordAttribute;
private $extraFields;
//New
private $em;
public function __construct(Ldap $ldap, string $baseDn, EntityManagerInterface $em , string $searchDn = null, string $searchPassword = null, array $defaultRoles = [], string $uidKey = null, string $filter = null, string $passwordAttribute = null, array $extraFields = [])
{
if (null === $uidKey) {
$uidKey = 'sAMAccountName';
}
if (null === $filter) {
$filter = '({uid_key}={username})';
}
$this->ldap = $ldap;
$this->baseDn = $baseDn;
$this->searchDn = $searchDn;
$this->searchPassword = $searchPassword;
$this->defaultRoles = $defaultRoles;
$this->uidKey = $uidKey;
$this->defaultSearch = str_replace('{uid_key}', $uidKey, $filter);
$this->passwordAttribute = $passwordAttribute;
$this->extraFields = $extraFields;
$this->em = $em;
}
/**
* {@inheritdoc}
*/
public function loadUserByUsername($username)
{
try {
$this->ldap->bind($this->searchDn, $this->searchPassword);
$username = $this->ldap->escape($username, '', LdapInterface::ESCAPE_FILTER);
$query = str_replace('{username}', $username, $this->defaultSearch);
$search = $this->ldap->query($this->baseDn, $query);
} catch (ConnectionException $e) {
throw new UsernameNotFoundException(sprintf('User "%s" not found.', $username), 0, $e);
}
$entries = $search->execute();
$count = \count($entries);
if (!$count) {
throw new UsernameNotFoundException(sprintf('User "%s" not found.', $username));
}
if ($count > 1) {
throw new UsernameNotFoundException('More than one user found.');
}
return $this->loadUser($username, $entries[0]);
}
/**
* {@inheritdoc}
*/
public function refreshUser(UserInterface $user)
{
if (!$user instanceof LdapUser || !$user instanceof User) {
throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', \get_class($user)));
}
//New
$userRepository = $this->em->getRepository("AppBundle:User");
$user = $userRepository->findOneBy(array("username" => $user->getUsername()));
if($user === null){
throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', get_class($user)));
}
return new LdapUser($user->getEntry(), $user->getUsername(), $user->getPassword(), $user->getRoles(), $user->getExtraFields());
}
/**
* {@inheritdoc}
*/
public function upgradePassword(UserInterface $user, string $newEncodedPassword): void
{
if (!$user instanceof LdapUser) {
throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', \get_class($user)));
}
if (null === $this->passwordAttribute) {
return;
}
try {
$user->getEntry()->setAttribute($this->passwordAttribute, [$newEncodedPassword]);
$this->ldap->getEntryManager()->update($user->getEntry());
$user->setPassword($newEncodedPassword);
} catch (ExceptionInterface $e) {
// ignore failed password upgrades
}
}
/**
* {@inheritdoc}
*/
public function supportsClass($class)
{
return LdapUser::class === $class;
}
/**
* Loads a user from an LDAP entry.
*
* @param $username
* @param Entry $entry
* @return UserInterface
*/
protected function loadUser($username, Entry $entry)
{
$userRepository = $this->em->getRepository("App:User");
//On récupère les infos de l'utilisateur qui se connecte
$user = $userRepository->findOneBy(array("username" => $username));
//Si l'utilisateur est null, donc pas présent en BDD mais OK niveau LDAP
if ($user === null) {
//Créé un User pour l'ajouter à la BDD une fois qu'on s'est assuré que c'était bien un utilisateur LDAP
//Cas première connexion de l'utilisateur
$user = new User();
$user->setFirstname($entry->getAttribute("givenName")[0]);
$user->setLastname($entry->getAttribute("sn")[0]);
$user->setEmail($entry->getAttribute("mail")[0]);
$user->setUsername($entry->getAttribute("uid")[0]);
$user->setRoles($this->defaultRoles);
$this->em->persist($user);
$this->em->flush();
} else {
$this->em->flush();
}
return $user;
}
/**
* Fetches the password from an LDAP entry.
*
* @param null|Entry $entry
*/
private function getPassword(Entry $entry)
{
if (null === $this->passwordAttribute) {
return;
}
if (!$entry->hasAttribute($this->passwordAttribute)) {
throw new InvalidArgumentException(sprintf('Missing attribute "%s" for user "%s".', $this->passwordAttribute, $entry->getDn()));
}
$values = $entry->getAttribute($this->passwordAttribute);
if (1 !== count($values)) {
throw new InvalidArgumentException(sprintf('Attribute "%s" has multiple values.', $this->passwordAttribute));
}
return $values[0];
}
private function getAttributeValue(Entry $entry, string $attribute)
{
var_dump("getAttributeValue ".$attribute);
if (!$entry->hasAttribute($attribute)) {
throw new InvalidArgumentException(sprintf('Missing attribute "%s" for user "%s".', $attribute, $entry->getDn()));
}
$values = $entry->getAttribute($attribute);
if (1 !== \count($values)) {
throw new InvalidArgumentException(sprintf('Attribute "%s" has multiple values.', $attribute));
}
return $values[0];
}
} |
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