488 lines
13 KiB
PHP
488 lines
13 KiB
PHP
<?php
|
|
/**
|
|
* @author Arthur Schiwon <blizzz@owncloud.com>
|
|
* @author Joas Schilling <nickvergessen@owncloud.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
*
|
|
* @copyright Copyright (c) 2015, ownCloud, Inc.
|
|
* @license AGPL-3.0
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* 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/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\user_ldap\lib\user;
|
|
|
|
use OCA\user_ldap\lib\user\IUserTools;
|
|
use OCA\user_ldap\lib\Connection;
|
|
use OCA\user_ldap\lib\FilesystemHelper;
|
|
use OCA\user_ldap\lib\LogWrapper;
|
|
|
|
/**
|
|
* User
|
|
*
|
|
* represents an LDAP user, gets and holds user-specific information from LDAP
|
|
*/
|
|
class User {
|
|
/**
|
|
* @var IUserTools
|
|
*/
|
|
protected $access;
|
|
/**
|
|
* @var Connection
|
|
*/
|
|
protected $connection;
|
|
/**
|
|
* @var \OCP\IConfig
|
|
*/
|
|
protected $config;
|
|
/**
|
|
* @var FilesystemHelper
|
|
*/
|
|
protected $fs;
|
|
/**
|
|
* @var \OCP\Image
|
|
*/
|
|
protected $image;
|
|
/**
|
|
* @var LogWrapper
|
|
*/
|
|
protected $log;
|
|
/**
|
|
* @var \OCP\IAvatarManager
|
|
*/
|
|
protected $avatarManager;
|
|
|
|
/**
|
|
* @var string
|
|
*/
|
|
protected $dn;
|
|
/**
|
|
* @var string
|
|
*/
|
|
protected $uid;
|
|
/**
|
|
* @var string[]
|
|
*/
|
|
protected $refreshedFeatures = array();
|
|
/**
|
|
* @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!
|
|
* @param string $username the internal username
|
|
* @param string $dn the LDAP DN
|
|
* @param IUserTools $access an instance that implements IUserTools for
|
|
* LDAP interaction
|
|
* @param \OCP\IConfig $config
|
|
* @param FilesystemHelper $fs
|
|
* @param \OCP\Image $image any empty instance
|
|
* @param LogWrapper $log
|
|
* @param \OCP\IAvatarManager $avatarManager
|
|
*/
|
|
public function __construct($username, $dn, IUserTools $access,
|
|
\OCP\IConfig $config, FilesystemHelper $fs, \OCP\Image $image,
|
|
LogWrapper $log, \OCP\IAvatarManager $avatarManager) {
|
|
|
|
$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 = $avatarManager;
|
|
}
|
|
|
|
/**
|
|
* @brief updates properties like email, quota or avatar provided by LDAP
|
|
* @return null
|
|
*/
|
|
public function update() {
|
|
if(is_null($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();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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[$attr][0]);
|
|
}
|
|
unset($attr);
|
|
|
|
//Email
|
|
$attr = strtolower($this->connection->ldapEmailAttribute);
|
|
if(isset($ldapEntry[$attr])) {
|
|
$this->updateEmail($ldapEntry[$attr][0]);
|
|
}
|
|
unset($attr);
|
|
|
|
//displayName
|
|
$attr = strtolower($this->connection->ldapUserDisplayName);
|
|
if(isset($ldapEntry[$attr])) {
|
|
$displayName = $ldapEntry[$attr][0];
|
|
if(!empty($displayName)) {
|
|
$this->storeDisplayName($displayName);
|
|
$this->access->cacheUserDisplayName($this->getUsername(), $displayName);
|
|
}
|
|
}
|
|
unset($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);
|
|
|
|
//Avatar
|
|
$attrs = array('jpegphoto', 'thumbnailphoto');
|
|
foreach ($attrs as $attr) {
|
|
if(isset($ldapEntry[$attr])) {
|
|
$this->avatarImage = $ldapEntry[$attr][0];
|
|
$this->updateAvatar();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief returns the LDAP DN of the user
|
|
* @return string
|
|
*/
|
|
public function getDN() {
|
|
return $this->dn;
|
|
}
|
|
|
|
/**
|
|
* @brief returns the ownCloud 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 = $valueFromLDAP;
|
|
$attr = null;
|
|
|
|
if( is_null($path)
|
|
&& 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 = $homedir[0];
|
|
}
|
|
}
|
|
|
|
if(!empty($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();
|
|
if($this->connection->isCached($cacheKey)) {
|
|
return $this->connection->getFromCache($cacheKey);
|
|
}
|
|
$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;
|
|
$attributes = array('jpegPhoto', 'thumbnailPhoto');
|
|
foreach($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);
|
|
|
|
//TODO make interval configurable
|
|
if((time() - intval($lastChecked)) < 86400 ) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Stores a key-value pair in relation to this user
|
|
* @param string $key
|
|
* @param string $value
|
|
*/
|
|
private function store($key, $value) {
|
|
$this->config->setUserValue($this->uid, 'user_ldap', $key, $value);
|
|
}
|
|
|
|
/**
|
|
* Stores the display name in the databae
|
|
* @param string $displayName
|
|
*/
|
|
public function storeDisplayName($displayName) {
|
|
$this->store('displayName', $displayName);
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
* @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 ownCloud 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 = $valueFromLDAP;
|
|
if(is_null($valueFromLDAP)) {
|
|
$emailAttribute = $this->connection->ldapEmailAttribute;
|
|
if(!empty($emailAttribute)) {
|
|
$aEmail = $this->access->readAttribute($this->dn, $emailAttribute);
|
|
if(is_array($aEmail) && (count($aEmail) > 0)) {
|
|
$email = $aEmail[0];
|
|
}
|
|
}
|
|
}
|
|
if(!is_null($email)) {
|
|
$this->config->setUserValue(
|
|
$this->uid, 'settings', 'email', $email);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* fetches the quota from LDAP and stores it as ownCloud 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;
|
|
}
|
|
//can be null
|
|
$quotaDefault = $this->connection->ldapQuotaDefault;
|
|
$quota = $quotaDefault !== '' ? $quotaDefault : null;
|
|
$quota = !is_null($valueFromLDAP) ? $valueFromLDAP : $quota;
|
|
|
|
if(is_null($valueFromLDAP)) {
|
|
$quotaAttribute = $this->connection->ldapQuotaAttribute;
|
|
if(!empty($quotaAttribute)) {
|
|
$aQuota = $this->access->readAttribute($this->dn, $quotaAttribute);
|
|
if($aQuota && (count($aQuota) > 0)) {
|
|
$quota = $aQuota[0];
|
|
}
|
|
}
|
|
}
|
|
if(!is_null($quota)) {
|
|
$this->config->setUserValue($this->uid, 'files', 'quota', $quota);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief attempts to get an image from LDAP and sets it as ownCloud avatar
|
|
* @return null
|
|
*/
|
|
public function updateAvatar() {
|
|
if($this->wasRefreshed('avatar')) {
|
|
return;
|
|
}
|
|
$avatarImage = $this->getAvatarImage();
|
|
if($avatarImage === false) {
|
|
//not set, nothing left to do;
|
|
return;
|
|
}
|
|
$this->image->loadFromBase64(base64_encode($avatarImage));
|
|
$this->setOwnCloudAvatar();
|
|
}
|
|
|
|
/**
|
|
* @brief sets an image as ownCloud avatar
|
|
* @return null
|
|
*/
|
|
private function setOwnCloudAvatar() {
|
|
if(!$this->image->valid()) {
|
|
$this->log->log('user_ldap', 'jpegPhoto data invalid for '.$this->dn,
|
|
\OCP\Util::ERROR);
|
|
return;
|
|
}
|
|
//make sure it is a square and not bigger than 128x128
|
|
$size = min(array($this->image->width(), $this->image->height(), 128));
|
|
if(!$this->image->centerCrop($size)) {
|
|
$this->log->log('user_ldap',
|
|
'croping image for avatar failed for '.$this->dn,
|
|
\OCP\Util::ERROR);
|
|
return;
|
|
}
|
|
|
|
if(!$this->fs->isLoaded()) {
|
|
$this->fs->setup($this->uid);
|
|
}
|
|
|
|
try {
|
|
$avatar = $this->avatarManager->getAvatar($this->uid);
|
|
$avatar->set($this->image);
|
|
} catch (\Exception $e) {
|
|
\OC::$server->getLogger()->notice(
|
|
'Could not set avatar for ' . $this->dn . ', because: ' . $e->getMessage(),
|
|
['app' => 'user_ldap']);
|
|
}
|
|
}
|
|
|
|
}
|