17     /** @var array user cache */
58      * Check user+password
60      * Checks if the given user exists and the given
64      * @param string $user
68     public function checkPass($user, $pass)  argument
70         $userinfo = $this->getUserData($user);
76         return auth_verifyPassword($pass, $this->users[$user]['pass']);
80      * Return user info
82      * Returns info about the given user needs to contain
85      * name string  full name of the user
86      * mail string  email addres of the user
87      * grps array   list of groups the user is in
90      * @param string $user
94     public function getUserData($user, $requireGroups = true)  argument
97         return $this->users[$user] ?? false;
105      * @param string $user
109      * @param array  $grps list of groups the user is in
112     protected function createUserLine($user, $pass, $name, $mail, $grps)  argument
115         $userline = [$user, $pass, $name, $mail, $groups];
124      * Create a new User
126      * Returns false if the user already exists, null when an error
129      * The new user will be added to the default group by this
135      * @param string $user
142     public function createUser($user, $pwd, $name, $mail, $grps = null)  argument
147         // user mustn't already exist
148         if ($this->getUserData($user) !== false) {
158         // prepare user line
159         $userline = $this->createUserLine($user, $pass, $name, $mail, $grps);
166         $this->users[$user] = [
176      * Modify user data
179      * @param   string $user      nick of the user to be changed
183     public function modifyUser($user, $changes)  argument
188         // sanity checks, user must already exist and there must be something to change
189         if (($userinfo = $this->getUserData($user)) === false) {
196             msg(sprintf($this->getLang('protected'), hsc($user)), -1);
203         $newuser = $user;
205             if ($field == 'user') {
221 …if (!io_replaceInFile($config_cascade['plainauth.users']['default'], '/^' . $user . ':/', $userlin…
222             msg('There was an error modifying your user data. You may need to register again.', -1);
228         if (isset($this->users[$user])) unset($this->users[$user]);
249         foreach ($users as $user) {
251             if (!empty($this->users[$user]['protected'])) {
252                 msg(sprintf($this->getLang('protected'), hsc($user)), -1);
255             if (isset($this->users[$user])) $deleted[] = preg_quote($user, '/');
266         // reload the user list and count the difference
274      * Return a count of the number of user which meet $filter criteria
291         foreach ($this->users as $user => $info) {
292             $count += $this->filter($user, $info);
299      * Bulk retrieval of user data
303      * @param   int   $start index of first user to be returned
320         foreach ($this->users as $user => $info) {
321             if ($this->filter($user, $info)) {
323                     $out[$user] = $info;
336      * Loads complete user data into memory before searching for groups.
361      * @param string $user
364     public function cleanUser($user)  argument
368         return cleanID(str_replace([':', '/', ';'], $conf['sepchar'], $user));
385      * Load all user data
387      * loads the user file into a datastructure
408      * Read user data from given file
442      * Get the user line split into it's parts
452 …  Logger::error('User line with less than 5 fields. Possibly corruption in your user file', $data);
458      * return true if $user + $info match $filter criteria, false otherwise
462      * @param string $user User login
463      * @param array  $info User's userinfo array
466     protected function filter($user, $info)  argument
469             if ($item == 'user') {
470                 if (!preg_match($pattern, $user)) return false;