From 74bd6999c5e5c23ebbf90dbb6bdaabbddd7594cf Mon Sep 17 00:00:00 2001 From: sembrestels Date: Thu, 13 Oct 2011 15:23:11 +0200 Subject: Rename lib/dokuwiki to vendors/dokuwiki --- vendors/dokuwiki/inc/auth/plain.class.php | 324 ++++++++++++++++++++++++++++++ 1 file changed, 324 insertions(+) create mode 100644 vendors/dokuwiki/inc/auth/plain.class.php (limited to 'vendors/dokuwiki/inc/auth/plain.class.php') diff --git a/vendors/dokuwiki/inc/auth/plain.class.php b/vendors/dokuwiki/inc/auth/plain.class.php new file mode 100644 index 000000000..94e0c6bc2 --- /dev/null +++ b/vendors/dokuwiki/inc/auth/plain.class.php @@ -0,0 +1,324 @@ + + * @author Chris Smith + */ + +define('DOKU_AUTH', dirname(__FILE__)); +require_once(DOKU_AUTH.'/basic.class.php'); + +define('AUTH_USERFILE',DOKU_CONF.'users.auth.php'); + +class auth_plain extends auth_basic { + + var $users = null; + var $_pattern = array(); + + /** + * Constructor + * + * Carry out sanity checks to ensure the object is + * able to operate. Set capabilities. + * + * @author Christopher Smith + */ + function auth_plain() { + if (!@is_readable(AUTH_USERFILE)){ + $this->success = false; + }else{ + if(@is_writable(AUTH_USERFILE)){ + $this->cando['addUser'] = true; + $this->cando['delUser'] = true; + $this->cando['modLogin'] = true; + $this->cando['modPass'] = true; + $this->cando['modName'] = true; + $this->cando['modMail'] = true; + $this->cando['modGroups'] = true; + } + $this->cando['getUsers'] = true; + $this->cando['getUserCount'] = true; + } + } + + /** + * Check user+password [required auth function] + * + * Checks if the given user exists and the given + * plaintext password is correct + * + * @author Andreas Gohr + * @return bool + */ + function checkPass($user,$pass){ + + $userinfo = $this->getUserData($user); + if ($userinfo === false) return false; + + return auth_verifyPassword($pass,$this->users[$user]['pass']); + } + + /** + * Return user info + * + * Returns info about the given user needs to contain + * at least these fields: + * + * name string full name of the user + * mail string email addres of the user + * grps array list of groups the user is in + * + * @author Andreas Gohr + */ + function getUserData($user){ + + if($this->users === null) $this->_loadUserData(); + return isset($this->users[$user]) ? $this->users[$user] : false; + } + + /** + * Create a new User + * + * Returns false if the user already exists, null when an error + * occurred and true if everything went well. + * + * The new user will be added to the default group by this + * function if grps are not specified (default behaviour). + * + * @author Andreas Gohr + * @author Chris Smith + */ + function createUser($user,$pwd,$name,$mail,$grps=null){ + global $conf; + + // user mustn't already exist + if ($this->getUserData($user) !== false) return false; + + $pass = auth_cryptPassword($pwd); + + // set default group if no groups specified + if (!is_array($grps)) $grps = array($conf['defaultgroup']); + + // prepare user line + $groups = join(',',$grps); + $userline = join(':',array($user,$pass,$name,$mail,$groups))."\n"; + + if (io_saveFile(AUTH_USERFILE,$userline,true)) { + $this->users[$user] = compact('pass','name','mail','grps'); + return $pwd; + } + + msg('The '.AUTH_USERFILE.' file is not writable. Please inform the Wiki-Admin',-1); + return null; + } + + /** + * Modify user data + * + * @author Chris Smith + * @param $user nick of the user to be changed + * @param $changes array of field/value pairs to be changed (password will be clear text) + * @return bool + */ + function modifyUser($user, $changes) { + global $conf; + global $ACT; + global $INFO; + + // sanity checks, user must already exist and there must be something to change + if (($userinfo = $this->getUserData($user)) === false) return false; + if (!is_array($changes) || !count($changes)) return true; + + // update userinfo with new data, remembering to encrypt any password + $newuser = $user; + foreach ($changes as $field => $value) { + if ($field == 'user') { + $newuser = $value; + continue; + } + if ($field == 'pass') $value = auth_cryptPassword($value); + $userinfo[$field] = $value; + } + + $groups = join(',',$userinfo['grps']); + $userline = join(':',array($newuser, $userinfo['pass'], $userinfo['name'], $userinfo['mail'], $groups))."\n"; + + if (!$this->deleteUsers(array($user))) { + msg('Unable to modify user data. Please inform the Wiki-Admin',-1); + return false; + } + + if (!io_saveFile(AUTH_USERFILE,$userline,true)) { + msg('There was an error modifying your user data. You should register again.',-1); + // FIXME, user has been deleted but not recreated, should force a logout and redirect to login page + $ACT == 'register'; + return false; + } + + $this->users[$newuser] = $userinfo; + return true; + } + + /** + * Remove one or more users from the list of registered users + * + * @author Christopher Smith + * @param array $users array of users to be deleted + * @return int the number of users deleted + */ + function deleteUsers($users) { + + if (!is_array($users) || empty($users)) return 0; + + if ($this->users === null) $this->_loadUserData(); + + $deleted = array(); + foreach ($users as $user) { + if (isset($this->users[$user])) $deleted[] = preg_quote($user,'/'); + } + + if (empty($deleted)) return 0; + + $pattern = '/^('.join('|',$deleted).'):/'; + + if (io_deleteFromFile(AUTH_USERFILE,$pattern,true)) { + foreach ($deleted as $user) unset($this->users[$user]); + return count($deleted); + } + + // problem deleting, reload the user list and count the difference + $count = count($this->users); + $this->_loadUserData(); + $count -= count($this->users); + return $count; + } + + /** + * Return a count of the number of user which meet $filter criteria + * + * @author Chris Smith + */ + function getUserCount($filter=array()) { + if($this->users === null) $this->_loadUserData(); + + if (!count($filter)) return count($this->users); + + $count = 0; + $this->_constructPattern($filter); + + foreach ($this->users as $user => $info) { + $count += $this->_filter($user, $info); + } + + return $count; + } + + /** + * Bulk retrieval of user data + * + * @author Chris Smith + * @param start index of first user to be returned + * @param limit max number of users to be returned + * @param filter array of field/pattern pairs + * @return array of userinfo (refer getUserData for internal userinfo details) + */ + function retrieveUsers($start=0,$limit=0,$filter=array()) { + + if ($this->users === null) $this->_loadUserData(); + + ksort($this->users); + + $i = 0; + $count = 0; + $out = array(); + $this->_constructPattern($filter); + + foreach ($this->users as $user => $info) { + if ($this->_filter($user, $info)) { + if ($i >= $start) { + $out[$user] = $info; + $count++; + if (($limit > 0) && ($count >= $limit)) break; + } + $i++; + } + } + + return $out; + } + + /** + * Only valid pageid's (no namespaces) for usernames + */ + function cleanUser($user){ + global $conf; + return cleanID(str_replace(':',$conf['sepchar'],$user)); + } + + /** + * Only valid pageid's (no namespaces) for groupnames + */ + function cleanGroup($group){ + global $conf; + return cleanID(str_replace(':',$conf['sepchar'],$group)); + } + + /** + * Load all user data + * + * loads the user file into a datastructure + * + * @author Andreas Gohr + */ + function _loadUserData(){ + $this->users = array(); + + if(!@file_exists(AUTH_USERFILE)) return; + + $lines = file(AUTH_USERFILE); + foreach($lines as $line){ + $line = preg_replace('/#.*$/','',$line); //ignore comments + $line = trim($line); + if(empty($line)) continue; + + $row = explode(":",$line,5); + $groups = array_values(array_filter(explode(",",$row[4]))); + + $this->users[$row[0]]['pass'] = $row[1]; + $this->users[$row[0]]['name'] = urldecode($row[2]); + $this->users[$row[0]]['mail'] = $row[3]; + $this->users[$row[0]]['grps'] = $groups; + } + } + + /** + * return 1 if $user + $info match $filter criteria, 0 otherwise + * + * @author Chris Smith + */ + function _filter($user, $info) { + // FIXME + foreach ($this->_pattern as $item => $pattern) { + if ($item == 'user') { + if (!preg_match($pattern, $user)) return 0; + } else if ($item == 'grps') { + if (!count(preg_grep($pattern, $info['grps']))) return 0; + } else { + if (!preg_match($pattern, $info[$item])) return 0; + } + } + return 1; + } + + function _constructPattern($filter) { + $this->_pattern = array(); + foreach ($filter as $item => $pattern) { +// $this->_pattern[$item] = '/'.preg_quote($pattern,"/").'/i'; // don't allow regex characters + $this->_pattern[$item] = '/'.str_replace('/','\/',$pattern).'/i'; // allow regex characters + } + } +} + +//Setup VIM: ex: et ts=2 enc=utf-8 : -- cgit v1.2.3