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| <?php
namespace App\Security;
use FOS\UserBundle\Model\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;
public function __construct(Ldap $ldap, string $baseDn, string $searchDn = null, string $searchPassword = null, array $defaultRoles = [], string $uidKey = null, string $filter = null, string $passwordAttribute = null, array $extraFields = [])
{
var_dump("construct");
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 = $extraFields;
}
/**
* {@inheritdoc}
*/
public function loadUserByUsername($username)
{
var_dump("loadUserByUsername");
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.');
}
$entry = $entries[0];
try {
if (null !== $this->uidKey) {
$username = $this->getAttributeValue($entry, $this->uidKey);
}
} catch (InvalidArgumentException $e) {
}
return $this->loadUser($username, $entry);
}
/**
* {@inheritdoc}
*/
public function refreshUser(UserInterface $user)
{
var_dump("refreshUser");
if (!$user instanceof LdapUser || !$user instanceof User) {
throw new UnsupportedUserException(sprintf('Instances of "%s" are not supported.', \get_class($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 === $class;
}
/**
* Loads a user from an LDAP entry.
*
* @return UserInterface
*/
protected function loadUser($username, Entry $entry)
{
var_dump("loadUser");
$password = null;
$extraFields = [];
if (null !== $this->passwordAttribute) {
$password = $this->getAttributeValue($entry, $this->passwordAttribute);
}
foreach ($this->extraFields as $field) {
$extraFields[$field] = $this->getAttributeValue($entry, $field);
}
return new LdapUser($entry, $username, $password, $this->defaultRoles, $extraFields);
}
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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