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allow using any ldap property as login name when using external storage login credentials #26397

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merged 1 commit into from
Jun 7, 2021
Merged

allow using any ldap property as login name when using external storage login credentials #26397

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37 changes: 34 additions & 3 deletions apps/files_external/lib/Lib/Auth/Password/LoginCredentials.php
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,8 @@
use OCP\IL10N;
use OCP\ISession;
use OCP\IUser;
use OCP\IUserBackend;
use OCP\LDAP\ILDAPProviderFactory;
use OCP\Security\ICredentialsManager;
use OCP\User\Events\PasswordUpdatedEvent;
use OCP\User\Events\UserLoggedInEvent;
Expand All @@ -55,10 +57,21 @@ class LoginCredentials extends AuthMechanism {
/** @var CredentialsStore */
private $credentialsStore;

public function __construct(IL10N $l, ISession $session, ICredentialsManager $credentialsManager, CredentialsStore $credentialsStore, IEventDispatcher $eventDispatcher) {
/** @var ILDAPProviderFactory */
private $ldapFactory;
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public function __construct(
IL10N $l,
ISession $session,
ICredentialsManager $credentialsManager,
CredentialsStore $credentialsStore,
IEventDispatcher $eventDispatcher,
ILDAPProviderFactory $ldapFactory
) {
$this->session = $session;
$this->credentialsManager = $credentialsManager;
$this->credentialsStore = $credentialsStore;
$this->ldapFactory = $ldapFactory;

$this
->setIdentifier('password::logincredentials')
Expand Down Expand Up @@ -86,7 +99,7 @@ private function getCredentials(IUser $user): array {

$credentials = [
'user' => $sessionCredentials->getLoginName(),
'password' => $sessionCredentials->getPassword()
'password' => $sessionCredentials->getPassword(),
];

$this->credentialsManager->store($user->getUID(), self::CREDENTIALS_IDENTIFIER, $credentials);
Expand All @@ -104,7 +117,25 @@ public function manipulateStorageConfig(StorageConfig &$storage, IUser $user = n
}
$credentials = $this->getCredentials($user);

$storage->setBackendOption('user', $credentials['user']);
$loginKey = $storage->getBackendOption("login_ldap_attr");
if ($loginKey) {
$backend = $user->getBackend();
if ($backend instanceof IUserBackend && $backend->getBackendName() === 'LDAP') {
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Just for reference: https://github.com/nextcloud/server/blob/master/apps/user_ldap/lib/User_LDAP.php#L575

$value = $this->getLdapPropertyForUser($user, $loginKey);
if ($value === null) {
throw new InsufficientDataForMeaningfulAnswerException('Custom ldap attribute not set for user ' . $user->getUID());
}
$storage->setBackendOption('user', $value);
} else {
throw new InsufficientDataForMeaningfulAnswerException('Custom ldap attribute configured but user ' . $user->getUID() . ' is not an ldap user');
}
} else {
$storage->setBackendOption('user', $credentials['user']);
}
$storage->setBackendOption('password', $credentials['password']);
}

private function getLdapPropertyForUser(IUser $user, string $property): ?string {
return $this->ldapFactory->getLDAPProvider()->getUserAttribute($user->getUID(), $property);
}
}