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, $requireGroups = true)  argument
96         if (!is_string($user)) return false;
98         return $this->users[$user] ?? false;
106      * @param string $user
110      * @param array  $grps list of groups the user is in
113     protected function createUserLine($user, $pass, $name, $mail, $grps)  argument
116         $userline = [$user, $pass, $name, $mail, $groups];
125      * Create a new User
127      * Returns false if the user already exists, null when an error
130      * The new user will be added to the default group by this
136      * @param string $user
143     public function createUser($user, $pwd, $name, $mail, $grps = null)  argument
148         // user mustn't already exist
149         if ($this->getUserData($user) !== false) {
159         // prepare user line
160         $userline = $this->createUserLine($user, $pass, $name, $mail, $grps);
167         $this->users[$user] = [
177      * Modify user data
180      * @param   string $user      nick of the user to be changed
184     public function modifyUser($user, $changes)  argument
189         // sanity checks, user must already exist and there must be something to change
190         if (($userinfo = $this->getUserData($user)) === false) {
197             msg(sprintf($this->getLang('protected'), hsc($user)), -1);
204         $newuser = $user;
206             if ($field == 'user') {
222 …if (!io_replaceInFile($config_cascade['plainauth.users']['default'], '/^' . $user . ':/', $userlin…
223             msg('There was an error modifying your user data. You may need to register again.', -1);
229         if (isset($this->users[$user])) unset($this->users[$user]);
250         foreach ($users as $user) {
252             if (!empty($this->users[$user]['protected'])) {
253                 msg(sprintf($this->getLang('protected'), hsc($user)), -1);
256             if (isset($this->users[$user])) $deleted[] = preg_quote($user, '/');
267         // reload the user list and count the difference
275      * Return a count of the number of user which meet $filter criteria
292         foreach ($this->users as $user => $info) {
293             $count += $this->filter($user, $info);
300      * Bulk retrieval of user data
304      * @param   int   $start index of first user to be returned
321         foreach ($this->users as $user => $info) {
322             if ($this->filter($user, $info)) {
324                     $out[$user] = $info;
337      * Loads complete user data into memory before searching for groups.
362      * @param string $user
365     public function cleanUser($user)  argument
369         return cleanID(str_replace([':', '/', ';'], $conf['sepchar'], $user));
386      * Load all user data
388      * loads the user file into a datastructure
409      * Read user data from given file
443      * Get the user line split into it's parts
453 …  Logger::error('User line with less than 5 fields. Possibly corruption in your user file', $data);
459      * return true if $user + $info match $filter criteria, false otherwise
463      * @param string $user User login
464      * @param array  $info User's userinfo array
467     protected function filter($user, $info)  argument
470             if ($item == 'user') {
471                 if (!preg_match($pattern, $user)) return false;