nextcloud/apps/user_ldap/lib/User/User.php

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<?php
/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
*
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* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Joas Schilling <coding@schilljs.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Juan Pablo Villafáñez <jvillafanez@solidgear.es>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Philipp Staiger <philipp@staiger.it>
* @author Roger Szabo <roger.szabo@web.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
* @author Vincent Petry <pvince81@owncloud.com>
*
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* @license AGPL-3.0
*
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* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
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* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
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* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
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namespace OCA\User_LDAP\User;
use OCA\User_LDAP\Access;
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use OCA\User_LDAP\Connection;
use OCA\User_LDAP\Exceptions\AttributeNotSet;
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use OCA\User_LDAP\FilesystemHelper;
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use OCA\User_LDAP\LogWrapper;
use OCP\IAvatarManager;
use OCP\IConfig;
use OCP\ILogger;
use OCP\Image;
use OCP\IUser;
use OCP\IUserManager;
use OCP\Notification\IManager as INotificationManager;
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/**
* User
*
* represents an LDAP user, gets and holds user-specific information from LDAP
*/
class User {
/**
* @var Access
*/
protected $access;
/**
* @var Connection
*/
protected $connection;
/**
* @var IConfig
*/
protected $config;
/**
* @var FilesystemHelper
*/
protected $fs;
/**
* @var Image
*/
protected $image;
/**
* @var LogWrapper
*/
protected $log;
/**
* @var IAvatarManager
*/
protected $avatarManager;
/**
* @var IUserManager
*/
protected $userManager;
/**
* @var INotificationManager
*/
protected $notificationManager;
/**
* @var string
*/
protected $dn;
/**
* @var string
*/
protected $uid;
/**
* @var string[]
*/
protected $refreshedFeatures = [];
/**
* @var string
*/
protected $avatarImage;
/**
* DB config keys for user preferences
*/
const USER_PREFKEY_FIRSTLOGIN = 'firstLoginAccomplished';
const USER_PREFKEY_LASTREFRESH = 'lastFeatureRefresh';
/**
* @brief constructor, make sure the subclasses call this one!
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* @param string $username the internal username
* @param string $dn the LDAP DN
* @param Access $access
* @param IConfig $config
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* @param FilesystemHelper $fs
* @param Image $image any empty instance
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* @param LogWrapper $log
* @param IAvatarManager $avatarManager
* @param IUserManager $userManager
* @param INotificationManager $notificationManager
*/
public function __construct($username, $dn, Access $access,
IConfig $config, FilesystemHelper $fs, Image $image,
LogWrapper $log, IAvatarManager $avatarManager, IUserManager $userManager,
INotificationManager $notificationManager) {
if ($username === null) {
$log->log("uid for '$dn' must not be null!", ILogger::ERROR);
throw new \InvalidArgumentException('uid must not be null!');
} else if ($username === '') {
$log->log("uid for '$dn' must not be an empty string", ILogger::ERROR);
throw new \InvalidArgumentException('uid must not be an empty string!');
}
$this->access = $access;
$this->connection = $access->getConnection();
$this->config = $config;
$this->fs = $fs;
$this->dn = $dn;
$this->uid = $username;
$this->image = $image;
$this->log = $log;
$this->avatarManager = $avatarManager;
$this->userManager = $userManager;
$this->notificationManager = $notificationManager;
\OCP\Util::connectHook('OC_User', 'post_login', $this, 'handlePasswordExpiry');
}
/**
* @brief updates properties like email, quota or avatar provided by LDAP
* @return null
*/
public function update() {
if(is_null($this->dn)) {
return null;
}
$hasLoggedIn = $this->config->getUserValue($this->uid, 'user_ldap',
self::USER_PREFKEY_FIRSTLOGIN, 0);
if($this->needsRefresh()) {
$this->updateEmail();
$this->updateQuota();
if($hasLoggedIn !== 0) {
//we do not need to try it, when the user has not been logged in
//before, because the file system will not be ready.
$this->updateAvatar();
//in order to get an avatar as soon as possible, mark the user
//as refreshed only when updating the avatar did happen
$this->markRefreshTime();
}
}
}
/**
* marks a user as deleted
*
* @throws \OCP\PreConditionNotMetException
*/
public function markUser() {
$curValue = $this->config->getUserValue($this->getUsername(), 'user_ldap', 'isDeleted', '0');
if($curValue === '1') {
// the user is already marked, do not write to DB again
return;
}
$this->config->setUserValue($this->getUsername(), 'user_ldap', 'isDeleted', '1');
$this->config->setUserValue($this->getUsername(), 'user_ldap', 'foundDeleted', (string)time());
}
/**
* processes results from LDAP for attributes as returned by getAttributesToRead()
* @param array $ldapEntry the user entry as retrieved from LDAP
*/
public function processAttributes($ldapEntry) {
$this->markRefreshTime();
//Quota
$attr = strtolower($this->connection->ldapQuotaAttribute);
if(isset($ldapEntry[$attr])) {
$this->updateQuota($ldapEntry[$attr][0]);
} else {
if ($this->connection->ldapQuotaDefault !== '') {
$this->updateQuota();
}
}
unset($attr);
//displayName
$displayName = $displayName2 = '';
$attr = strtolower($this->connection->ldapUserDisplayName);
if(isset($ldapEntry[$attr])) {
$displayName = (string)$ldapEntry[$attr][0];
}
$attr = strtolower($this->connection->ldapUserDisplayName2);
if(isset($ldapEntry[$attr])) {
$displayName2 = (string)$ldapEntry[$attr][0];
}
if ($displayName !== '') {
$this->composeAndStoreDisplayName($displayName, $displayName2);
$this->access->cacheUserDisplayName(
$this->getUsername(),
$displayName,
$displayName2
);
}
unset($attr);
//Email
//email must be stored after displayname, because it would cause a user
//change event that will trigger fetching the display name again
$attr = strtolower($this->connection->ldapEmailAttribute);
if(isset($ldapEntry[$attr])) {
$this->updateEmail($ldapEntry[$attr][0]);
}
unset($attr);
// LDAP Username, needed for s2s sharing
if(isset($ldapEntry['uid'])) {
$this->storeLDAPUserName($ldapEntry['uid'][0]);
} else if(isset($ldapEntry['samaccountname'])) {
$this->storeLDAPUserName($ldapEntry['samaccountname'][0]);
}
//homePath
if(strpos($this->connection->homeFolderNamingRule, 'attr:') === 0) {
$attr = strtolower(substr($this->connection->homeFolderNamingRule, strlen('attr:')));
if(isset($ldapEntry[$attr])) {
$this->access->cacheUserHome(
$this->getUsername(), $this->getHomePath($ldapEntry[$attr][0]));
}
}
//memberOf groups
$cacheKey = 'getMemberOf'.$this->getUsername();
$groups = false;
if(isset($ldapEntry['memberof'])) {
$groups = $ldapEntry['memberof'];
}
$this->connection->writeToCache($cacheKey, $groups);
//external storage var
$attr = strtolower($this->connection->ldapExtStorageHomeAttribute);
if(isset($ldapEntry[$attr])) {
$this->updateExtStorageHome($ldapEntry[$attr][0]);
}
unset($attr);
//Avatar
/** @var Connection $connection */
$connection = $this->access->getConnection();
$attributes = $connection->resolveRule('avatar');
foreach ($attributes as $attribute) {
if(isset($ldapEntry[$attribute])) {
$this->avatarImage = $ldapEntry[$attribute][0];
// the call to the method that saves the avatar in the file
// system must be postponed after the login. It is to ensure
// external mounts are mounted properly (e.g. with login
// credentials from the session).
\OCP\Util::connectHook('OC_User', 'post_login', $this, 'updateAvatarPostLogin');
break;
}
}
}
/**
* @brief returns the LDAP DN of the user
* @return string
*/
public function getDN() {
return $this->dn;
}
/**
* @brief returns the Nextcloud internal username of the user
* @return string
*/
public function getUsername() {
return $this->uid;
}
/**
* returns the home directory of the user if specified by LDAP settings
* @param string $valueFromLDAP
* @return bool|string
* @throws \Exception
*/
public function getHomePath($valueFromLDAP = null) {
$path = (string)$valueFromLDAP;
$attr = null;
if (is_null($valueFromLDAP)
&& strpos($this->access->connection->homeFolderNamingRule, 'attr:') === 0
&& $this->access->connection->homeFolderNamingRule !== 'attr:')
{
$attr = substr($this->access->connection->homeFolderNamingRule, strlen('attr:'));
$homedir = $this->access->readAttribute(
$this->access->username2dn($this->getUsername()), $attr);
if ($homedir && isset($homedir[0])) {
$path = $homedir[0];
}
}
if ($path !== '') {
//if attribute's value is an absolute path take this, otherwise append it to data dir
//check for / at the beginning or pattern c:\ resp. c:/
if( '/' !== $path[0]
&& !(3 < strlen($path) && ctype_alpha($path[0])
&& $path[1] === ':' && ('\\' === $path[2] || '/' === $path[2]))
) {
$path = $this->config->getSystemValue('datadirectory',
\OC::$SERVERROOT.'/data' ) . '/' . $path;
}
//we need it to store it in the DB as well in case a user gets
//deleted so we can clean up afterwards
$this->config->setUserValue(
$this->getUsername(), 'user_ldap', 'homePath', $path
);
return $path;
}
if( !is_null($attr)
&& $this->config->getAppValue('user_ldap', 'enforce_home_folder_naming_rule', true)
) {
// a naming rule attribute is defined, but it doesn't exist for that LDAP user
throw new \Exception('Home dir attribute can\'t be read from LDAP for uid: ' . $this->getUsername());
}
//false will apply default behaviour as defined and done by OC_User
$this->config->setUserValue($this->getUsername(), 'user_ldap', 'homePath', '');
return false;
}
public function getMemberOfGroups() {
$cacheKey = 'getMemberOf'.$this->getUsername();
$memberOfGroups = $this->connection->getFromCache($cacheKey);
if(!is_null($memberOfGroups)) {
return $memberOfGroups;
}
$groupDNs = $this->access->readAttribute($this->getDN(), 'memberOf');
$this->connection->writeToCache($cacheKey, $groupDNs);
return $groupDNs;
}
/**
* @brief reads the image from LDAP that shall be used as Avatar
* @return string data (provided by LDAP) | false
*/
public function getAvatarImage() {
if(!is_null($this->avatarImage)) {
return $this->avatarImage;
}
$this->avatarImage = false;
/** @var Connection $connection */
$connection = $this->access->getConnection();
$attributes = $connection->resolveRule('avatar');
foreach($attributes as $attribute) {
$result = $this->access->readAttribute($this->dn, $attribute);
if($result !== false && is_array($result) && isset($result[0])) {
$this->avatarImage = $result[0];
break;
}
}
return $this->avatarImage;
}
/**
* @brief marks the user as having logged in at least once
* @return null
*/
public function markLogin() {
$this->config->setUserValue(
$this->uid, 'user_ldap', self::USER_PREFKEY_FIRSTLOGIN, 1);
}
/**
* @brief marks the time when user features like email have been updated
* @return null
*/
public function markRefreshTime() {
$this->config->setUserValue(
$this->uid, 'user_ldap', self::USER_PREFKEY_LASTREFRESH, time());
}
/**
* @brief checks whether user features needs to be updated again by
* comparing the difference of time of the last refresh to now with the
* desired interval
* @return bool
*/
private function needsRefresh() {
$lastChecked = $this->config->getUserValue($this->uid, 'user_ldap',
self::USER_PREFKEY_LASTREFRESH, 0);
if((time() - (int)$lastChecked) < (int)$this->config->getAppValue('user_ldap', 'updateAttributesInterval', 86400)) {
return false;
}
return true;
}
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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/**
* Stores a key-value pair in relation to this user
*
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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* @param string $key
* @param string $value
*/
private function store($key, $value) {
$this->config->setUserValue($this->uid, 'user_ldap', $key, $value);
}
/**
* Composes the display name and stores it in the database. The final
* display name is returned.
*
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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* @param string $displayName
* @param string $displayName2
* @return string the effective display name
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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*/
public function composeAndStoreDisplayName($displayName, $displayName2 = '') {
$displayName2 = (string)$displayName2;
if($displayName2 !== '') {
$displayName .= ' (' . $displayName2 . ')';
}
$oldName = $this->config->getUserValue($this->uid, 'user_ldap', 'displayName', null);
if ($oldName !== $displayName) {
$this->store('displayName', $displayName);
$user = $this->userManager->get($this->getUsername());
if (!empty($oldName) && $user instanceof \OC\User\User) {
// if it was empty, it would be a new record, not a change emitting the trigger could
// potentially cause a UniqueConstraintViolationException, depending on some factors.
$user->triggerChange('displayName', $displayName, $oldName);
}
}
return $displayName;
LDAP User Cleanup: Port from stable7 without further adjustements LDAP User Cleanup background job for user clean up adjust user backend for clean up register background job remove dead code dependency injection make Helper non-static for proper testing check whether it is OK to run clean up job. Do not forget to pass arguments. use correct method to get the config from server methods can be private, proper indirect testing is given no automatic user deletion make limit readable for test purposes make method less complex add first tests let preferences accept limit and offset for getUsersForValue DI via constructor does not work for background jobs after detecting, now we have retrieving deleted users and their details we need this method to be public for now finalize export method, add missing getter clean up namespaces and get rid of unnecessary files helper is not static anymore cleanup according to scrutinizer add cli tool to show deleted users uses are necessary after recent namespace change also remove user from mappings table on deletion add occ command to delete users fix use statement improve output big fixes / improvements PHP doc return true in userExists early for cleaning up deleted users bump version control state and interval with one config.php setting, now ldapUserCleanupInterval. 0 will disable it. enabled by default. improve doc rename cli method to be consistent with others introduce ldapUserCleanupInterval in sample config don't show last login as unix epoche start when no login happend less log output consistent namespace for OfflineUser rename GarbageCollector to DeletedUsersIndex and move it to user subdir fix unit tests add tests for deleteUser more test adjustements Conflicts: apps/user_ldap/ajax/clearMappings.php apps/user_ldap/appinfo/app.php apps/user_ldap/lib/access.php apps/user_ldap/lib/helper.php apps/user_ldap/tests/helper.php core/register_command.php lib/private/preferences.php lib/private/user.php add ldap:check-user to check user existance on the fly Conflicts: apps/user_ldap/lib/helper.php forgotten file PHPdoc fixes, no code change and don't forget to adjust tests
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}
/**
* Stores the LDAP Username in the Database
* @param string $userName
*/
public function storeLDAPUserName($userName) {
$this->store('uid', $userName);
}
/**
* @brief checks whether an update method specified by feature was run
* already. If not, it will marked like this, because it is expected that
* the method will be run, when false is returned.
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* @param string $feature email | quota | avatar (can be extended)
* @return bool
*/
private function wasRefreshed($feature) {
if(isset($this->refreshedFeatures[$feature])) {
return true;
}
$this->refreshedFeatures[$feature] = 1;
return false;
}
/**
* fetches the email from LDAP and stores it as Nextcloud user value
* @param string $valueFromLDAP if known, to save an LDAP read request
* @return null
*/
public function updateEmail($valueFromLDAP = null) {
if($this->wasRefreshed('email')) {
return;
}
$email = (string)$valueFromLDAP;
if(is_null($valueFromLDAP)) {
$emailAttribute = $this->connection->ldapEmailAttribute;
if ($emailAttribute !== '') {
$aEmail = $this->access->readAttribute($this->dn, $emailAttribute);
if(is_array($aEmail) && (count($aEmail) > 0)) {
$email = (string)$aEmail[0];
}
}
}
if ($email !== '') {
$user = $this->userManager->get($this->uid);
if (!is_null($user)) {
$currentEmail = (string)$user->getEMailAddress();
if ($currentEmail !== $email) {
$user->setEMailAddress($email);
}
}
}
}
/**
* Overall process goes as follow:
* 1. fetch the quota from LDAP and check if it's parseable with the "verifyQuotaValue" function
* 2. if the value can't be fetched, is empty or not parseable, use the default LDAP quota
* 3. if the default LDAP quota can't be parsed, use the Nextcloud's default quota (use 'default')
* 4. check if the target user exists and set the quota for the user.
*
* In order to improve performance and prevent an unwanted extra LDAP call, the $valueFromLDAP
* parameter can be passed with the value of the attribute. This value will be considered as the
* quota for the user coming from the LDAP server (step 1 of the process) It can be useful to
* fetch all the user's attributes in one call and use the fetched values in this function.
* The expected value for that parameter is a string describing the quota for the user. Valid
* values are 'none' (unlimited), 'default' (the Nextcloud's default quota), '1234' (quota in
* bytes), '1234 MB' (quota in MB - check the \OC_Helper::computerFileSize method for more info)
*
* fetches the quota from LDAP and stores it as Nextcloud user value
* @param string $valueFromLDAP the quota attribute's value can be passed,
* to save the readAttribute request
* @return null
*/
public function updateQuota($valueFromLDAP = null) {
if($this->wasRefreshed('quota')) {
return;
}
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$quotaAttribute = $this->connection->ldapQuotaAttribute;
$defaultQuota = $this->connection->ldapQuotaDefault;
if($quotaAttribute === '' && $defaultQuota === '') {
return;
}
$quota = false;
if(is_null($valueFromLDAP) && $quotaAttribute !== '') {
$aQuota = $this->access->readAttribute($this->dn, $quotaAttribute);
if($aQuota && (count($aQuota) > 0) && $this->verifyQuotaValue($aQuota[0])) {
$quota = $aQuota[0];
} else if(is_array($aQuota) && isset($aQuota[0])) {
$this->log->log('no suitable LDAP quota found for user ' . $this->uid . ': [' . $aQuota[0] . ']', ILogger::DEBUG);
}
} else if ($this->verifyQuotaValue($valueFromLDAP)) {
$quota = $valueFromLDAP;
} else {
$this->log->log('no suitable LDAP quota found for user ' . $this->uid . ': [' . $valueFromLDAP . ']', ILogger::DEBUG);
}
if ($quota === false && $this->verifyQuotaValue($defaultQuota)) {
// quota not found using the LDAP attribute (or not parseable). Try the default quota
$quota = $defaultQuota;
} else if($quota === false) {
$this->log->log('no suitable default quota found for user ' . $this->uid . ': [' . $defaultQuota . ']', ILogger::DEBUG);
return;
}
$targetUser = $this->userManager->get($this->uid);
if ($targetUser instanceof IUser) {
$targetUser->setQuota($quota);
} else {
$this->log->log('trying to set a quota for user ' . $this->uid . ' but the user is missing', ILogger::INFO);
}
}
private function verifyQuotaValue($quotaValue) {
return $quotaValue === 'none' || $quotaValue === 'default' || \OC_Helper::computerFileSize($quotaValue) !== false;
}
/**
* called by a post_login hook to save the avatar picture
*
* @param array $params
*/
public function updateAvatarPostLogin($params) {
if(isset($params['uid']) && $params['uid'] === $this->getUsername()) {
$this->updateAvatar();
}
}
/**
* @brief attempts to get an image from LDAP and sets it as Nextcloud avatar
* @return bool
*/
public function updateAvatar($force = false) {
if(!$force && $this->wasRefreshed('avatar')) {
return false;
}
$avatarImage = $this->getAvatarImage();
if($avatarImage === false) {
//not set, nothing left to do;
return false;
}
if(!$this->image->loadFromBase64(base64_encode($avatarImage))) {
return false;
}
// use the checksum before modifications
$checksum = md5($this->image->data());
if($checksum === $this->config->getUserValue($this->uid, 'user_ldap', 'lastAvatarChecksum', '')) {
return true;
}
$isSet = $this->setOwnCloudAvatar();
if($isSet) {
// save checksum only after successful setting
$this->config->setUserValue($this->uid, 'user_ldap', 'lastAvatarChecksum', $checksum);
}
return $isSet;
}
/**
* @brief sets an image as Nextcloud avatar
* @return bool
*/
private function setOwnCloudAvatar() {
if(!$this->image->valid()) {
$this->log->log('avatar image data from LDAP invalid for '.$this->dn, ILogger::ERROR);
return false;
}
//make sure it is a square and not bigger than 128x128
$size = min([$this->image->width(), $this->image->height(), 128]);
if(!$this->image->centerCrop($size)) {
$this->log->log('croping image for avatar failed for '.$this->dn, ILogger::ERROR);
return false;
}
if(!$this->fs->isLoaded()) {
$this->fs->setup($this->uid);
}
try {
$avatar = $this->avatarManager->getAvatar($this->uid);
$avatar->set($this->image);
return true;
} catch (\Exception $e) {
\OC::$server->getLogger()->logException($e, [
'message' => 'Could not set avatar for ' . $this->dn,
'level' => ILogger::INFO,
'app' => 'user_ldap',
]);
}
return false;
}
/**
* @throws AttributeNotSet
* @throws \OC\ServerNotAvailableException
* @throws \OCP\PreConditionNotMetException
*/
public function getExtStorageHome():string {
$value = $this->config->getUserValue($this->getUsername(), 'user_ldap', 'extStorageHome', '');
if ($value !== '') {
return $value;
}
$value = $this->updateExtStorageHome();
if ($value !== '') {
return $value;
}
throw new AttributeNotSet(sprintf(
'external home storage attribute yield no value for %s', $this->getUsername()
));
}
/**
* @throws \OCP\PreConditionNotMetException
* @throws \OC\ServerNotAvailableException
*/
public function updateExtStorageHome(string $valueFromLDAP = null):string {
if ($valueFromLDAP === null) {
$extHomeValues = $this->access->readAttribute($this->getDN(), $this->connection->ldapExtStorageHomeAttribute);
} else {
$extHomeValues = [$valueFromLDAP];
}
if ($extHomeValues && isset($extHomeValues[0])) {
$extHome = $extHomeValues[0];
$this->config->setUserValue($this->getUsername(), 'user_ldap', 'extStorageHome', $extHome);
return $extHome;
} else {
$this->config->deleteUserValue($this->getUsername(), 'user_ldap', 'extStorageHome');
return '';
}
}
/**
* called by a post_login hook to handle password expiry
*
* @param array $params
*/
public function handlePasswordExpiry($params) {
$ppolicyDN = $this->connection->ldapDefaultPPolicyDN;
if (empty($ppolicyDN) || ((int)$this->connection->turnOnPasswordChange !== 1)) {
return;//password expiry handling disabled
}
$uid = $params['uid'];
if (isset($uid) && $uid === $this->getUsername()) {
//retrieve relevant user attributes
$result = $this->access->search('objectclass=*', [$this->dn], ['pwdpolicysubentry', 'pwdgraceusetime', 'pwdreset', 'pwdchangedtime']);
if (array_key_exists('pwdpolicysubentry', $result[0])) {
$pwdPolicySubentry = $result[0]['pwdpolicysubentry'];
if ($pwdPolicySubentry && (count($pwdPolicySubentry) > 0)){
$ppolicyDN = $pwdPolicySubentry[0];//custom ppolicy DN
}
}
$pwdGraceUseTime = array_key_exists('pwdgraceusetime', $result[0]) ? $result[0]['pwdgraceusetime'] : [];
$pwdReset = array_key_exists('pwdreset', $result[0]) ? $result[0]['pwdreset'] : [];
$pwdChangedTime = array_key_exists('pwdchangedtime', $result[0]) ? $result[0]['pwdchangedtime'] : [];
//retrieve relevant password policy attributes
$cacheKey = 'ppolicyAttributes' . $ppolicyDN;
$result = $this->connection->getFromCache($cacheKey);
if(is_null($result)) {
$result = $this->access->search('objectclass=*', [$ppolicyDN], ['pwdgraceauthnlimit', 'pwdmaxage', 'pwdexpirewarning']);
$this->connection->writeToCache($cacheKey, $result);
}
$pwdGraceAuthNLimit = array_key_exists('pwdgraceauthnlimit', $result[0]) ? $result[0]['pwdgraceauthnlimit'] : [];
$pwdMaxAge = array_key_exists('pwdmaxage', $result[0]) ? $result[0]['pwdmaxage'] : [];
$pwdExpireWarning = array_key_exists('pwdexpirewarning', $result[0]) ? $result[0]['pwdexpirewarning'] : [];
//handle grace login
if (!empty($pwdGraceUseTime)) { //was this a grace login?
if (!empty($pwdGraceAuthNLimit)
&& count($pwdGraceUseTime) < (int)$pwdGraceAuthNLimit[0]) { //at least one more grace login available?
$this->config->setUserValue($uid, 'user_ldap', 'needsPasswordReset', 'true');
header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute(
'user_ldap.renewPassword.showRenewPasswordForm', ['user' => $uid]));
} else { //no more grace login available
header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute(
'user_ldap.renewPassword.showLoginFormInvalidPassword', ['user' => $uid]));
}
exit();
}
//handle pwdReset attribute
if (!empty($pwdReset) && $pwdReset[0] === 'TRUE') { //user must change his password
$this->config->setUserValue($uid, 'user_ldap', 'needsPasswordReset', 'true');
header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute(
'user_ldap.renewPassword.showRenewPasswordForm', ['user' => $uid]));
exit();
}
//handle password expiry warning
if (!empty($pwdChangedTime)) {
if (!empty($pwdMaxAge)
&& !empty($pwdExpireWarning)) {
$pwdMaxAgeInt = (int)$pwdMaxAge[0];
$pwdExpireWarningInt = (int)$pwdExpireWarning[0];
if ($pwdMaxAgeInt > 0 && $pwdExpireWarningInt > 0){
$pwdChangedTimeDt = \DateTime::createFromFormat('YmdHisZ', $pwdChangedTime[0]);
$pwdChangedTimeDt->add(new \DateInterval('PT'.$pwdMaxAgeInt.'S'));
$currentDateTime = new \DateTime();
$secondsToExpiry = $pwdChangedTimeDt->getTimestamp() - $currentDateTime->getTimestamp();
if ($secondsToExpiry <= $pwdExpireWarningInt) {
//remove last password expiry warning if any
$notification = $this->notificationManager->createNotification();
$notification->setApp('user_ldap')
->setUser($uid)
->setObject('pwd_exp_warn', $uid)
;
$this->notificationManager->markProcessed($notification);
//create new password expiry warning
$notification = $this->notificationManager->createNotification();
$notification->setApp('user_ldap')
->setUser($uid)
->setDateTime($currentDateTime)
->setObject('pwd_exp_warn', $uid)
->setSubject('pwd_exp_warn_days', [(int) ceil($secondsToExpiry / 60 / 60 / 24)])
;
$this->notificationManager->notify($notification);
}
}
}
}
}
}
}