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<?php
# Lifter007: TODO
/**
* UserManagement.class.php
*
* Management for the Stud.IP global users
*
* LICENSE
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* @author Stefan Suchi <suchi@data-quest>
* @author Suchi & Berg GmbH <info@data-quest.de>
* @copyright 2009 Stud.IP
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL Licence 2
* @category Stud.IP
*/
// Imports
require_once 'lib/statusgruppe.inc.php'; // remove user from statusgroups
require_once 'lib/messaging.inc.php'; // remove messages send or recieved by user
require_once 'lib/object.inc.php';
/**
* UserManagement.class.php
*
* Management for the Stud.IP global users
*
*/
class UserManagement
{
private $user;
private $validator;
private $user_data;
public $msg;
private static $pwd_hasher;
public static function getPwdHasher()
{
if (self::$pwd_hasher === null) {
self::$pwd_hasher = new PasswordHash(8, Config::get()->PHPASS_USE_PORTABLE_HASH);
}
return self::$pwd_hasher;
}
/**
* Constructor
*
* Pass nothing to create a new user, or the user_id from an existing user to change or delete
* @param string $user_id the user which should be retrieved
*/
public function __construct($user_id = false)
{
$this->validator = new email_validation_class();
$this->validator->timeout = 10; // How long do we wait for response of mailservers?
$this->getFromDatabase($user_id);
}
public function __get($attr)
{
if ($attr === 'user_data') {
return $this->user_data;
}
}
public function __set($attr, $value)
{
if ($attr === 'user_data') {
if (!is_array($value)) {
throw new InvalidArgumentException('user_data only accepts array');
}
return $this->user_data->setData($value, true);
}
}
/**
* load user data from database into internal array
*
* @param string $user_id the user which should be retrieved
*/
public function getFromDatabase($user_id)
{
$this->user = User::toObject($user_id);
if (!$this->user) {
$this->user = new User();
}
$this->user_data = new UserDataAdapter($this->user);
}
/**
* store user data from internal array into database
*
* @access private
* @return bool all data stored?
*/
private function storeToDatabase()
{
if ($this->user->isNew()) {
if ($this->user->store()) {
StudipLog::log('USER_CREATE', $this->user->id, null, implode(';', $this->user->toArray('username vorname nachname perms email')));
return true;
} else {
return false;
}
}
$nperms = [
'user' => 0,
'autor' => 1,
'tutor' => 2,
'dozent' => 3
];
if ($this->user->isDirty('perms')) {
if ($this->user->perms === 'dozent' && in_array($this->user->getPristineValue('perms'), ['user','autor','tutor'])) {
$this->logInstUserDel($this->user->id, "inst_perms = 'user'");
$this->user->institute_memberships->unsetBy('inst_perms', 'user');
// make user visible globally if dozent may not be invisible (StEP 00158)
if (Config::get()->DOZENT_ALWAYS_VISIBLE && $this->user->visible !== 'never') {
$this->user->visible = 'yes';
}
if ($nperms[$this->user->perms] < $nperms[$this->user->getPristineValue('perms')]) {
$old_status = [];
foreach ($nperms as $status => $n) {
if ($n > $nperms[$this->user->perms] && $n <= $nperms[$this->user->getPristineValue('perms')]) {
$old_status[] = $status;
}
}
$new_status = $this->user->perms;
CourseMember::findEachBySQL(
function (CourseMember $cm) use ($new_status) {
$cm->status = $new_status;
$cm->store();
},
'INNER JOIN seminare ON (seminare.Seminar_id = seminar_user.Seminar_id)
WHERE seminar_user.user_id = ?
AND seminar_user.status IN (?)
AND seminare.status NOT IN (?)
',
[
$this->user->id,
$old_status,
studygroup_sem_types()
]
);
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}
}
}
foreach (words('username vorname nachname perms email title_front title_rear password') as $field) {
// logging
if ($this->user->isFieldDirty($field)) {
$old_value = $this->user->getPristineValue($field);
$value = $this->user->getValue($field);
switch ($field) {
case 'username':
StudipLog::log('USER_CHANGE_USERNAME', $this->user->id, null, "{$old_value} -> {$value}");
break;
case 'vorname':
StudipLog::log('USER_CHANGE_NAME', $this->user->id, null, "Vorname: {$old_value} -> {$value}");
break;
case 'nachname':
StudipLog::log('USER_CHANGE_NAME', $this->user->id, null, "Nachname: {$old_value} -> {$value}");
break;
case 'perms':
StudipLog::log('USER_CHANGE_PERMS', $this->user->id, null, "{$old_value} -> {$value}");
break;
case 'email':
StudipLog::log('USER_CHANGE_EMAIL', $this->user->id, null, "{$old_value} -> {$value}");
break;
case 'title_front':
StudipLog::log('USER_CHANGE_TITLE', $this->user->id, null, "title_front: {$old_value} -> {$value}");
break;
case 'title_rear':
StudipLog::log('USER_CHANGE_TITLE', $this->user->id, null, "title_rear: {$old_value} -> {$value}");
case 'password':
StudipLog::log('USER_CHANGE_PASSWORD', $this->user->id, null, "password: {$old_value} -> {$value}");
break;
}
}
}
$changed = $this->user->store();
return (bool) $changed;
}
/**
* generate a secure password of $length characters [a-z0-9]
*
* @param integer $length number of characters
* @return string password
*/
public function generate_password($length)
{
$pass = "";
mt_srand((double) microtime() * 1000000);
for ($i = 1; $i <= $length; $i++) {
$temp = mt_rand() % 36;
if ($temp < 10) {
$temp += 48; // 0 = chr(48), 9 = chr(57)
} else {
$temp += 87; // a = chr(97), z = chr(122)
}
$pass .= chr($temp);
}
return $pass;
}
/**
* Check if Email-Adress is valid and reachable
*
* @param string Email-Adress to check
* @return bool Email-Adress valid and reachable?
*/
private function checkMail($Email)
{
// Adress correct?
if (!$this->validator->ValidateEmailAddress($Email)) {
$this->msg .= 'error§' . _('E-Mail-Adresse syntaktisch falsch!') . '§';
return false;
}
// E-Mail reachable?
if (!$this->validator->ValidateEmailHost($Email)) {
// Mailserver nicht erreichbar, ablehnen
$this->msg .= 'error§' . _('Mailserver ist nicht erreichbar!') . '§';
return false;
}
if (!$this->validator->ValidateEmailBox($Email)) {
// Nutzer unbekannt, ablehnen
$this->msg .= 'error§' . sprintf(_('E-Mail an <em>%s</em> ist nicht zustellbar!'), $Email) . '§';
return false;
}
return true;
}
/**
* Create a new studip user with the given parameters
*
* @param array structure: array('string table_name.field_name'=>'string value')
* @return bool Creation successful?
*/
public function createNewUser($newuser)
{
global $perm;
// Do we have permission to do so?
if (!$perm->have_perm('admin')) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung Accounts anzulegen.') . '§';
return false;
}
if (!$perm->is_fak_admin() && $newuser['auth_user_md5.perms'] === 'admin') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung, <em>Admin-Accounts</em> anzulegen.') . '§';
return false;
}
if (!$perm->have_perm('root') && $newuser['auth_user_md5.perms'] === 'root') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung, <em>Root-Accounts</em> anzulegen.') . '§';
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return false;
}
// Do we have all necessary data?
if (empty($newuser['auth_user_md5.username']) || empty($newuser['auth_user_md5.perms']) || empty($newuser['auth_user_md5.Email'])) {
$this->msg .= 'error§' . _('Bitte geben Sie <em>Username</em>, <em>Status</em> und <em>E-Mail</em> an!') . '§';
return false;
}
// Is the username correct?
if (!$this->validator->ValidateUsername($newuser['auth_user_md5.username'])) {
$this->msg .= 'error§' . _('Der gewählte Benutzername ist zu kurz oder enthält unzulässige Zeichen!') . '§';
return false;
}
// Can we reach the email?
if (!$this->checkMail($newuser['auth_user_md5.Email'])) {
return false;
}
if (!$newuser['auth_user_md5.auth_plugin']) {
$newuser['auth_user_md5.auth_plugin'] = 'standard';
}
// Store new values in internal array
$this->getFromDatabase(null);
$this->user_data->setData($newuser);
if ($this->user_data['auth_user_md5.auth_plugin'] === 'standard') {
$password = $this->generate_password(8);
$this->user_data['auth_user_md5.password'] = self::getPwdHasher()->HashPassword($password);
}
// Does the user already exist?
// NOTE: This should be a transaction, but it is not...
$temp = User::findByUsername($newuser['auth_user_md5.username']);
if ($temp) {
$this->msg .= 'error§' . sprintf(_('BenutzerIn <em>%s</em> ist schon vorhanden!'), $newuser['auth_user_md5.username']) . '§';
return false;
}
if (!$this->storeToDatabase()) {
$this->msg .= 'error§' . sprintf(_('BenutzerIn "%s" konnte nicht angelegt werden.'), $newuser['auth_user_md5.username']) . '§';
return false;
}
$this->msg .= 'msg§' . sprintf(_('BenutzerIn "%s" angelegt.'), $newuser['auth_user_md5.username']) . '§';
// Automated entering new users, based on their status (perms)
$result = AutoInsert::instance()->saveUser($this->user_data['auth_user_md5.user_id'], $this->user_data['auth_user_md5.perms']);
foreach ($result['added'] as $item) {
$this->msg .= 'msg§' . sprintf(_('Das automatische Eintragen in die Veranstaltung <em>%s</em> wurde durchgeführt.'), $item) . '§';
}
foreach ($result['removed'] as $item) {
$this->msg .= 'msg§' . sprintf(_('Das automatische Austragen aus der Veranstaltung <em>%s</em> wurde durchgeführt.'), $item) . '§';
}
// include language-specific subject and mailbody
$user_language = $this->user_data['user_info.preferred_language'] ?: Config::get()->DEFAULT_LANGUAGE;
// send mail with password generation link
self::sendPasswordMail($this->user, true);
$this->msg .= 'msg§' . _('Es wurde eine Mail mit Anweisungen zum Setzen des Passworts durch die/den Nutzer/in verschickt.') . '§';
// add default visibility settings
Visibility::createDefaultCategories($this->user_data['auth_user_md5.user_id']);
return true;
}
/**
* Create a new preliminary studip user with the given parameters
*
* @param array structure: array('string table_name.field_name'=>'string value')
* @return bool Creation successful?
*/
public function createPreliminaryUser($newuser)
{
global $perm;
$this->getFromDatabase(null);
$this->user_data->setData($newuser);
// Do we have permission to do so?
if (!$perm->have_perm('admin')) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung Accounts anzulegen.') . '§';
return false;
}
if (in_array($this->user->perms, words('root admin'))) {
$this->msg .= 'error§' . _('Es können keine vorläufigen Administrationsaccounts angelegt werden.') . '§';
return false;
}
if (!$this->user->id) {
$this->user->setId($this->user->getNewId());
}
if (!$this->user->username) {
$this->user->username = $this->user->id;
}
$this->user->auth_plugin = null;
$this->user->visible = 'never';
// Do we have all necessary data?
if (empty ($this->user->perms) || empty ($this->user->vorname) || empty ($this->user->nachname)) {
$this->msg .= 'error§' . _('Bitte geben Sie <em>Status</em>, <em>Vorname</em> und <em>Nachname</em> an!') . '§';
return false;
}
// Is the username correct?
if (!$this->validator->ValidateUsername($this->user->username)) {
$this->msg .= 'error§' . _('Der gewählte Benutzername ist zu kurz oder enthält unzulässige Zeichen!') . '§';
return false;
}
// Does the user already exist?
// NOTE: This should be a transaction, but it is not...
$temp = User::findByUsername($this->user->username);
if ($temp) {
$this->msg .= 'error§' . sprintf(_('BenutzerIn <em>%s</em> ist schon vorhanden!'), $this->user->username) . '§';
return false;
}
if (!$this->storeToDatabase()) {
$this->msg .= 'error§' . sprintf(_('BenutzerIn "%s" konnte nicht angelegt werden.'), $this->user->username) . '§';
return false;
}
$this->msg .= 'msg§' . sprintf(_('BenutzerIn "%s" (vorläufig) angelegt.'), $this->user->username) . '§';
// add default visibility settings
Visibility::createDefaultCategories($this->user->id);
return true;
}
/**
* Change an existing studip user according to the given parameters
*
* @param array structure: array('string table_name.field_name'=>'string value')
* @return bool Change successful?
*/
public function changeUser($newuser)
{
global $perm;
// Do we have permission to do so?
if (!$perm->have_perm('admin')) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung Accounts zu verändern.') . '§';
return false;
}
if (!$perm->is_fak_admin() && $newuser['auth_user_md5.perms'] === 'admin') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung, <em>Admin-Accounts</em> anzulegen.') . '§';
return false;
}
if (!$perm->have_perm('root') && $newuser['auth_user_md5.perms'] === 'root') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung, <em>Root-Accounts</em> anzulegen.') . '§';
return false;
}
if (!$perm->have_perm('root')) {
if (!$perm->is_fak_admin() && $this->user_data['auth_user_md5.perms'] === 'admin') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung <em>Admin-Accounts</em> zu verändern.') . '§';
return false;
}
if ($this->user_data['auth_user_md5.perms'] === 'root') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung <em>Root-Accounts</em> zu verändern.') . '§';
return false;
}
if ($perm->is_fak_admin() && $this->user_data['auth_user_md5.perms'] === 'admin') {
if (!$this->adminOK()) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung diesen Admin-Account zu verändern.') . '§';
return false;
}
}
}
// active dozent? (ignore the studygroup guys)
$status = studygroup_sem_types();
if (empty($status)) {
$count = 0;
} else {
$query = "SELECT COUNT(*)
FROM seminar_user AS su
LEFT JOIN seminare AS s USING (Seminar_id)
WHERE su.user_id = ?
AND s.status NOT IN (?)
AND su.status = 'dozent'
AND (SELECT COUNT(*) FROM seminar_user su2 WHERE Seminar_id = su.Seminar_id AND su2.status = 'dozent') = 1
GROUP BY user_id";
$statement = DBManager::get()->prepare($query);
$statement->execute([
$this->user_data['auth_user_md5.user_id'],
$status,
]);
$count = $statement->fetchColumn();
}
if ($count && isset($newuser['auth_user_md5.perms']) && $newuser['auth_user_md5.perms'] !== 'dozent') {
$this->msg .= 'error§' . sprintf(_('Der Benutzer <em>%s</em> ist alleiniger Lehrperson in %s aktiven Veranstaltungen und kann daher nicht in einen anderen Status versetzt werden!'), $this->user_data['auth_user_md5.username'], $count) . '§';
return false;
}
// active admin?
if ($this->user_data['auth_user_md5.perms'] === 'admin' && $newuser['auth_user_md5.perms'] !== 'admin') {
// count number of institutes where the user is admin
$query = "SELECT COUNT(*)
FROM user_inst
WHERE user_id = ? AND inst_perms = 'admin'
GROUP BY Institut_id";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
// if there are institutes with admin-perms, add error-message and deny change
if ($count = $statement->fetchColumn()) {
$this->msg .= 'error§'. sprintf(_('Der Benutzer <em>%s</em> ist Admin in %s Einrichtungen und kann daher nicht in einen anderen Status versetzt werden!'), $this->user_data['auth_user_md5.username'], $count) . '§';
return false;
}
}
// Is the username correct?
if (isset($newuser['auth_user_md5.username'])) {
if ($this->user_data['auth_user_md5.username'] != $newuser['auth_user_md5.username']) {
if (!$this->validator->ValidateUsername($newuser['auth_user_md5.username'])) {
$this->msg .= 'error§' . _('Der gewählte Benutzername ist zu kurz oder enthält unzulässige Zeichen!') . '§';
return false;
}
$check_uname = StudipAuthAbstract::CheckUsername($newuser['auth_user_md5.username']);
if ($check_uname['found']) {
$this->msg .= 'error§' . _('Der Benutzername wird bereits von einem anderen Benutzer verwendet. Bitte wählen Sie einen anderen Benutzernamen!') . '§';
return false;
} else {
//$this->msg .= "info§" . $check_uname['error'] ."§";
}
} else
unset($newuser['auth_user_md5.username']);
}
// Can we reach the email?
if (isset($newuser['auth_user_md5.Email'])) {
if (!$this->checkMail($newuser['auth_user_md5.Email'])) {
return false;
}
}
// Store changed values in internal array if allowed
$old_perms = $this->user_data['auth_user_md5.perms'];
$auth_plugin = $this->user_data['auth_user_md5.auth_plugin'];
foreach ($newuser as $key => $value) {
if (!StudipAuthAbstract::CheckField($key, $auth_plugin)) {
$this->user_data[$key] = $value;
} else if ($this->user_data[$key] !== $value) {
$this->msg .= 'error§' . sprintf(_('Das Feld <em>%s</em> können Sie nicht ändern!'), $key) . '§';
return false;
}
}
if (!$this->storeToDatabase()) {
$this->msg .= 'info§' . _('Es wurden keine Veränderungen der Grunddaten vorgenommen.') . '§';
return true;
}
$this->msg .= 'msg§' . sprintf(_('Benutzer "%s" verändert.'), $this->user_data['auth_user_md5.username']) . '§';
if ($auth_plugin !== null) {
// Automated entering new users, based on their status (perms)
$result = AutoInsert::instance()->saveUser($this->user_data['auth_user_md5.user_id'], $newuser['auth_user_md5.perms']);
foreach ($result['added'] as $item) {
$this->msg .= 'msg§' . sprintf(_('Das automatische Eintragen in die Veranstaltung <em>%s</em> wurde durchgeführt.'), $item) . '§';
}
foreach ($result['removed'] as $item) {
$this->msg .= 'msg§' . sprintf(_('Das automatische Austragen aus der Veranstaltung <em>%s</em> wurde durchgeführt.'), $item) . '§';
}
// include language-specific subject and mailbody
$user_language = getUserLanguagePath($this->user_data['auth_user_md5.user_id']);
$Zeit = strftime('%x, %X');
// TODO: This should be refactored so that the included file returns an array
include "locale/{$user_language}/LC_MAILS/change_mail.inc.php"; // Defines $subject and $mailbody
StudipMail::sendMessage($this->user_data['auth_user_md5.Email'], $subject ?? '', $mailbody ?? '');
}
// Upgrade to admin or root?
if (in_array($newuser['auth_user_md5.perms'], ['admin', 'root'])) {
$this->re_sort_position_in_seminar_user();
// delete all seminar entries
$course_member = SimpleCollection::createFromArray(
CourseMember::findByUser($this->user_data['auth_user_md5.user_id'])
);
$seminar_ids = $course_member->pluck('seminar_id');
$count = 0;
foreach($course_member as $member) {
$member->delete();
$count++;
}
if ($count) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus Veranstaltungen gelöscht.'), $count) . '§';
array_map('AdmissionApplication::addMembers', $seminar_ids);
}
// delete all entries from waiting lists
$admission_members = SimpleCollection::createFromArray(
AdmissionApplication::findByUser($this->user_data['auth_user_md5.user_id'])
);
$seminar_ids = $admission_members->pluck('seminar_id');
$count = 0;
foreach ($admission_members as $admission_member) {
$admission_member->delete();
$count++;
}
if ($count) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus Wartelisten gelöscht.'), $count) . '§';
array_map('AdmissionApplication::addMembers', $seminar_ids);
}
// delete 'Studiengaenge'
if ($count = UserStudyCourse::deleteBySQL('user_id = ?', [$this->user_data['auth_user_md5.user_id']])) {
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$this->msg .= 'info§' . sprintf(_('%s Zuordnungen zu Studiengängen gelöscht.'), $count) . '§';
}
// delete all private appointments of this user
if ($count = delete_range_of_dates($this->user_data['auth_user_md5.user_id'], false)) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus den Terminen gelöscht.'), $count) . '§';
}
}
if ($newuser['auth_user_md5.perms'] === 'admin') {
$this->logInstUserDel($this->user_data['auth_user_md5.user_id'], "inst_perms != 'admin'");
$query = "DELETE FROM user_inst WHERE user_id = ? AND inst_perms != 'admin'";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus MitarbeiterInnenlisten gelöscht.'), $count) . '§';
}
}
if ($newuser['auth_user_md5.perms'] === 'root') {
$this->logInstUserDel($this->user_data['auth_user_md5.user_id']);
$query = "DELETE FROM user_inst WHERE user_id = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus MitarbeiterInnenlisten gelöscht.'), $count) . '§';
}
}
return true;
}
private function logInstUserDel($user_id, $condition = null)
{
$query = "SELECT Institut_id FROM user_inst WHERE user_id = ?";
if (isset($condition)) {
$query .= ' AND ' . $condition;
}
$statement = DBManager::get()->prepare($query);
$statement->execute([$user_id]);
while ($institute_id = $statement->fetchColumn()) {
StudipLog::log('INST_USER_DEL', $institute_id, $user_id);
}
}
/**
* Mail a password generation link to the user
*
* @return bool Password change successful?
*/
public function setPassword()
{
global $perm;
// Do we have permission to do so?
if (!$perm->have_perm('admin')) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung Accounts zu verändern.') . '§';
return false;
}
if (!$perm->have_perm('root')) {
if ($this->user_data['auth_user_md5.perms'] === "root") {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung <em>Root-Accounts</em> zu verändern.') . '§';
return false;
}
if ($perm->is_fak_admin() && $this->user_data['auth_user_md5.perms'] === 'admin') {
if (!$this->adminOK()) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung diesen Admin-Account zu verändern.') . '§';
return false;
}
}
}
// Can we reach the email?
if (!$this->checkMail($this->user_data['auth_user_md5.Email'])) {
return false;
}
self::sendPasswordMail($this->user);
return true;
}
/**
* Send a mail to the user denoted by the passed user-object with a link
* to reset the password. For admin, root and non-standard-auth a notification
* is sent instead.
*
* @param User $user
*
* @return void
*/
public static function sendPasswordMail($user, $new = false)
{
setTempLanguage($user->user_id);
// always generate a token, so root, admin and all other users profit from the abuse protection
Jan-Hendrik Willms
committed
if ($new) {
$expiration_in_hours = 24;
$spoken_expiration = _('24 Stunden');
} else {
$expiration_in_hours = 7 * 24;
$spoken_expiration = _('eine Woche');
}
$token = Token::create($expiration_in_hours * 60 * 60, $user->id, true);
// new users alawys receive a link to generate a password
if ($new) {
$subject = sprintf(
_("[Stud.IP - %s] Es wurde ein Zugang für sie erstellt - Setzen sie ein Passwort"),
Config::get()->UNI_NAME_CLEAN
);
$mailbody = sprintf(
_("Dies ist eine Bestätigungsmail des Stud.IP-Systems\n"
Jan-Hendrik Willms
committed
."(Studienbegleitender Internetsupport von Präsenzlehre)\n- %1\$s -\n\n"
."Es wurde für sie ein Zugang zum System erstellt, Ihr Nutzername lautet:\n\n"
Jan-Hendrik Willms
committed
."%2\$s\n\n"
."Um den Zugang nutzen zu können, müssen sie ein Passwort setzen.\n"
."Öffnen Sie dafür bitte folgenden Link\n\n"
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committed
."%3\$s\n\n"
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committed
."Der Link ist %4\$s (bis %5\$s) gültig.\n\n"
."Wahrscheinlich unterstützt Ihr E-Mail-Programm ein einfaches Anklicken des Links.\n"
."Ansonsten müssen Sie Ihren Browser öffnen und den Link komplett in die Zeile\n"
."\"Location\" oder \"URL\" kopieren.\n\n"
),
Config::get()->UNI_NAME_CLEAN,
$user->username,
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$GLOBALS['ABSOLUTE_URI_STUDIP'] . 'dispatch.php/new_password/set/'. $token->token .'?cancel_login=1',
$spoken_expiration,
strftime('%x %X', $token->expiration)
);
} else
// only users with auth-type standard cann reset their password
if ($user->auth_plugin !== 'standard') {
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// inform user, that their password cannot be reset via mail
$subject = sprintf(
_("[Stud.IP - %s] Passwortänderung angefordert"),
Config::get()->UNI_NAME_CLEAN
);
$mailbody = sprintf(
_("Dies ist eine Informationsmail des Stud.IP-Systems\n"
."(Studienbegleitender Internetsupport von Präsenzlehre)\n- %s -\n\n"
. "Sie haben einen Link angefordert\n"
. "um das Passwort zurückzusetzen.\n"
. "Dies ist aber für den mit dieser Mail \n"
. "verknüpften Account so nicht möglich.\n\n"
. "Wenden sie sich bitte stattdessen an\n%s"
),
Config::get()->UNI_NAME_CLEAN,
$GLOBALS['UNI_CONTACT']
);
} else {
$subject = sprintf(
_("[Stud.IP - %s] Neues Passwort setzen"),
Config::get()->UNI_NAME_CLEAN
);
$mailbody = sprintf(
_("Dies ist eine Bestätigungsmail des Stud.IP-Systems\n"
Jan-Hendrik Willms
committed
."(Studienbegleitender Internetsupport von Präsenzlehre)\n- %1\$s -\n\n"
."Sie haben um die Zurücksetzung des Passwortes zu Ihrem Benutzernamen %5\$s gebeten.\n\n"
."Diese E-Mail wurde Ihnen zugesandt um sicherzustellen,\n"
."dass die angegebene E-Mail-Adresse tatsächlich Ihnen gehört.\n\n"
."Wenn Sie um die Zurücksetzung Ihres Passwortes gebeten haben,\n"
."dann öffnen Sie bitte folgenden Link\n\n"
Jan-Hendrik Willms
committed
."%2\$s\n\n"
."in Ihrem Browser. Auf der Seite können Sie ein neues Passwort setzen.\n\n"
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committed
."Der Link ist %3\$s (bis %4\$s) gültig.\n\n"
."Wahrscheinlich unterstützt Ihr E-Mail-Programm ein einfaches Anklicken des Links.\n"
."Ansonsten müssen Sie Ihren Browser öffnen und den Link komplett in die Zeile\n"
."\"Location\" oder \"URL\" kopieren.\n\n"
."Falls Sie nicht diese Mail nicht angefordert haben\n"
."oder überhaupt nicht wissen, wovon hier die Rede ist,\n"
."dann hat jemand Ihre E-Mail-Adresse fälschlicherweise verwendet!\n"
."Ignorieren Sie in diesem Fall diese E-Mail. Es werden dann keine\n"
."Änderungen an Ihren Zugangsdaten vorgenommen.\n\n"
),
Config::get()->UNI_NAME_CLEAN,
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committed
$GLOBALS['ABSOLUTE_URI_STUDIP'] . 'dispatch.php/new_password/set/'. $token->token .'?cancel_login=1',
$spoken_expiration,
strftime('%x %X', $token->expiration),
$user->username
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);
}
StudipMail::sendMessage($user->email, $subject, $mailbody);
restoreLanguage();
}
/**
* Delete an existing user from the database and tidy up
*
* @param bool delete all documents in course context belonging to the user
* @param bool delete all course content belonging to the user
* @param bool delete all personal documents belonging to the user
* @param bool delete all personal content belonging to the user
* @param bool delete all names identifying the user
* @param bool delete all memberships of the user
* @return bool Removal successful?
*/
public function deleteUser($delete_documents = true, $delete_content_from_course = true, $delete_personal_documents = true, $delete_personal_content = true, $delete_names = true, $delete_memberships = true)
{
global $perm;
// Do we have permission to do so?
if (!$perm->have_perm('admin')) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung Accounts zu löschen.') . '§';
return FALSE;
}
if (!$perm->have_perm('root')) {
if ($this->user_data['auth_user_md5.perms'] === 'root') {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung <em>Root-Accounts</em> zu löschen.') . '§';
return false;
}
if ($this->user_data['auth_user_md5.perms'] === 'admin' && !$this->adminOK()) {
$this->msg .= 'error§' . _('Sie haben keine Berechtigung diesen Admin-Account zu löschen.') . '§';
return false;
}
}
// active dozent?
$query = "SELECT COUNT(*)
FROM (
SELECT 1
FROM `seminar_user` AS `su1`
-- JOIN seminar_user to check for other teachers
INNER JOIN `seminar_user` AS `su2`
ON (`su1`.`seminar_id` = `su2`.`seminar_id` AND `su2`.`status` = 'dozent')
-- JOIN seminare to check the status for studygroup mode
INNER JOIN `seminare`
ON (`su1`.`seminar_id` = `seminare`.`seminar_id`)
WHERE `su1`.`user_id` = :user_id
AND `su1`.`status` = 'dozent'
AND `seminare`.`status` NOT IN (
-- Select all status ids for studygroups
SELECT `id`
FROM `sem_classes`
WHERE `studygroup_mode` = 1
)
GROUP BY `su1`.`seminar_id`
HAVING COUNT(*) = 1
ORDER BY NULL
) AS `sub`";
$statement = DBManager::get()->prepare($query);
$statement->bindValue(':user_id', $this->user_data['auth_user_md5.user_id']);
$statement->execute();
$active_count = $statement->fetchColumn() ?: 0;
if ($active_count && $delete_memberships) {
$this->msg .= 'error§' . sprintf(_('<em>%s</em> ist Lehrkraft in %s aktiven Veranstaltungen und kann daher nicht gelöscht werden.'), $this->user_data['auth_user_md5.username'], $active_count) . '§';
return false;
//founder of studygroup?
} elseif (Config::get()->STUDYGROUPS_ENABLE) {
$status = studygroup_sem_types();
if (empty($status)) {
$group_ids = [];
} else {
$query = "SELECT Seminar_id
FROM seminare AS s
LEFT JOIN seminar_user AS su USING (Seminar_id)
WHERE su.status = 'dozent' AND su.user_id = ? AND s.status IN (?)";
$statement = DBManager::get()->prepare($query);
$statement->execute([
$this->user_data['auth_user_md5.user_id'],
$status,
]);
$group_ids = $statement->fetchAll(PDO::FETCH_COLUMN);
}
foreach ($group_ids as $group_id) {
$sem = Seminar::GetInstance($group_id);
if (StudygroupModel::countMembers($group_id) > 1) {
// check whether there are tutors or even autors that can be promoted
$tutors = $sem->getMembers('tutor');
$autors = $sem->getMembers('autor');
if (count($tutors) > 0) {
$new_founder = current($tutors);
StudygroupModel::promote_user($new_founder['username'], $sem->getId(), 'dozent');
continue;
}
// if not promote an autor
elseif (count($autors) > 0) {
$new_founder = current($autors);
StudygroupModel::promote_user($new_founder['username'], $sem->getId(), 'dozent');
continue;
}
// since no suitable successor was found, we are allowed to remove the studygroup
} else {
$sem->delete();
}
unset($sem);
}
}
// store user preferred language for sending mail
$user_language = getUserLanguagePath($this->user_data['auth_user_md5.user_id']);
// Load privacy plugins to ensure all event handlers can react to the
// UserDataDidRemove event
PluginEngine::getPlugins('PrivacyPlugin');
// delete user from instituts
$this->logInstUserDel($this->user_data['auth_user_md5.user_id']);
if ($delete_memberships) {
$query = "DELETE FROM user_inst WHERE user_id = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus MitarbeiterInnenlisten gelöscht.'), $count) . '§';
}
// delete user from Statusgruppen
if ($count = StatusgruppeUser::deleteBySQL('user_id = ?', [$this->user_data['auth_user_md5.user_id']])) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus Funktionen / Gruppen gelöscht.'), $count) . '§';
}
// delete user from archiv
$query = "DELETE FROM archiv_user WHERE user_id = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus den Zugriffsberechtigungen für das Archiv gelöscht.'), $count) . '§';
}
// delete 'Studiengaenge'
$query = "DELETE FROM user_studiengang WHERE user_id = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%s Zuordnungen zu Studiengängen gelöscht.'), $count) . '§';
}
$this->re_sort_position_in_seminar_user();
// delete user from seminars (postings will be preserved)
$query = "DELETE FROM seminar_user WHERE user_id = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%s Einträge aus Veranstaltungen gelöscht.'), $count) . '§';
}
$query = "DELETE FROM `termin_related_persons` WHERE `user_id` = ?";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
if ($count = $statement->rowCount()) {
$this->msg .= 'info§' . sprintf(_('%u Terminzuordnungen gelöscht.'), $count) . '§';
}
// delete visibility settings
Visibility::removeUserPrivacySettings($this->user_data['auth_user_md5.user_id']);
// delete deputy entries if necessary
$query = "DELETE FROM deputies WHERE ? IN (user_id, range_id)";
$statement = DBManager::get()->prepare($query);
$statement->execute([$this->user_data['auth_user_md5.user_id']]);
$deputyEntries = $statement->rowCount();
if ($deputyEntries) {
$this->msg .= 'info§' . sprintf(_('%s Einträge in den Vertretungseinstellungen gelöscht.'), $deputyEntries) . '§';
}
// delete all remaining user data
$queries = [
"DELETE FROM user_userdomains WHERE user_id = ?",
];
foreach ($queries as $query) {
DBManager::get()->execute($query, [$this->user_data['auth_user_md5.user_id']]);
}
NotificationCenter::postNotification('UserDataDidRemove', $this->user_data['auth_user_md5.user_id'], 'memberships');
}
// delete documents of this user
if ($delete_documents) {
$db_filecount = FileRef::deleteBySQL('user_id = ?', [$this->user_data['auth_user_md5.user_id']]);
if ($db_filecount > 0) {
$this->msg .= 'info§' . sprintf(_('%s Dateien aus Veranstaltungen und Einrichtungen gelöscht.'), $db_filecount) . '§';
}
NotificationCenter::postNotification('UserDataDidRemove', $this->user_data['auth_user_md5.user_id'], 'course_documents');
}
// delete all remaining user data in course context if option selected
if ($delete_content_from_course) {
$queries = [
"DELETE FROM questionnaires WHERE user_id = ?",
"DELETE FROM questionnaire_answers WHERE user_id = ?",
"DELETE FROM questionnaire_assignments WHERE user_id = ?",
"DELETE FROM questionnaire_anonymous_answers WHERE user_id = ?",
"DELETE FROM etask_assignment_attempts WHERE user_id = ?",
"DELETE FROM etask_responses WHERE user_id = ?",
"DELETE FROM etask_tasks WHERE user_id = ?",
"DELETE FROM etask_tests WHERE user_id = ?",
];
foreach ($queries as $query) {
DBManager::get()->execute($query, [$this->user_data['auth_user_md5.user_id']]);
}
NotificationCenter::postNotification('UserDataDidRemove', $this->user_data['auth_user_md5.user_id'], 'course_contents');
}
if ($delete_personal_documents) {
$user_folder = Folder::findTopFolder($this->user->id);
if ($user_folder) {
$this->msg .= 'info§' . _('Persönlicher Dateibereich gelöscht.') . '§';
$user_folder->delete();