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Diffstat (limited to 'h-source/Library/Users/CheckAdmin.php')
| -rwxr-xr-x | h-source/Library/Users/CheckAdmin.php | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/h-source/Library/Users/CheckAdmin.php b/h-source/Library/Users/CheckAdmin.php deleted file mode 100755 index 54deb2a..0000000 --- a/h-source/Library/Users/CheckAdmin.php +++ /dev/null @@ -1,386 +0,0 @@ -<?php - -// EasyGiant is a PHP framework for creating and managing dynamic content -// -// Copyright (C) 2009 - 2011 Antonio Gallo -// See COPYRIGHT.txt and LICENSE.txt. -// -// This file is part of EasyGiant -// -// EasyGiant 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 3 of the License, or -// (at your option) any later version. -// -// EasyGiant 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 General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with EasyGiant. If not, see <http://www.gnu.org/licenses/>. - -if (!defined('EG')) die('Direct access not allowed!'); - -class Users_CheckAdmin { - - public $status = array(); - - protected $_sessionsTable; //table containing all the sessions - protected $_usersTable; //table containing all the users - protected $_groupsTable; //table containing all the groups - protected $_manyToManyTable; //table for many to many relationships - protected $_accessesTable; //table containing all the accesses to admin side - protected $uid = null; - protected $_token = null; //token used in order to defense against CSRF (cross sire request forgeries) - protected $_login; //login action - protected $_main; //main action - protected $_retype; //retype (the password) action - protected $_db; //reference to the database layer class - protected $_params = array(); //the parameters of the object - - public function __construct($params = null) { - $this->_params = $params; - - $this->_sessionsTable = $params['sessionsTable']; - $this->_usersTable = $params['usersTable']; - $this->_groupsTable = $params['groupsTable']; - $this->_manyToManyTable = $params['manyToManyTable']; - $this->_accessesTable = $params['accessesTable']; - $this->_login = Url::getRoot(null) . $params['users_controller'] . '/' . $params['users_login_action'] ; - $this->_main = Url::getRoot(null) . $params['panel_controller'] . '/' . $params['panel_main_action'] ; - $this->_retype = Url::getRoot(null) . $params['users_controller'] . '/' . $params['hijacking_action'] ; - $this->_db = Factory_Db::getInstance($params['database_type']); - } - - private function acquireCookie() { #obtain cookie - #cookie - $this->uid = NULL; - global $_COOKIE; - $this->uid = isset($_COOKIE[$this->_params['cookie_name']]) ? sanitizeAlnum($_COOKIE[$this->_params['cookie_name']]) : null; - } - - private function cleanSessions() - { - #cancello le sessioni scadute - $row = $this->_db->select($this->_sessionsTable,'creation_date',"uid='".$this->uid."'"); - if ($row) - { - if ($row[0][$this->_sessionsTable]['creation_date']) - { - if($row[0][$this->_sessionsTable]['creation_date'] + $this->_params['session_expire'] <= time()) - { - setcookie($this->_params['cookie_name'],'',time()-3600,$this->_params['cookie_path']); - } - } - } - $this->_db->del($this->_sessionsTable,"creation_date + " . $this->_params['session_expire'] . " <= ".time()); - } - - public function checkStatus() - { #controlla se l'utente è già loggato - $this->acquireCookie(); #ottengo il cookie - $this->cleanSessions(); #elimino le sessioni vecchie - $row=$this->_db->select($this->_usersTable.','.$this->_sessionsTable,$this->_usersTable.'.id_user,username,token,user_agent',$this->_usersTable.".id_user=".$this->_sessionsTable.".id_user and uid='".$this->uid."'"); - if (count($row) === 1 and $row !== false) - { - $this->status['user']=$row[0][$this->_usersTable]['username']; - $this->status['status']='logged'; - $this->status['id_user']=$row[0][$this->_usersTable]['id_user']; - $this->status['user_agent'] = $row[0][$this->_sessionsTable]['user_agent']; - $this->status['token'] = $row[0][$this->_sessionsTable]['token']; - $this->obtainGroups(); - } else { - $this->status['user']='sconosciuto'; - $this->status['status']='not-logged'; - $this->status['id_user']=''; - $this->status['user_agent']=''; - $this->status['token'] = ''; - $this->status['groups'] = array(); - } - } - - public function redirect($val,$time = 3) { #fa il redirect dell'utente - if ($val === 'logged') { - header('Refresh: '.$time.';url='.$this->_main); - if ($time !== 0) echo "You are already logged, ".$this->status['user'].".."; - } else if ($val === 'accepted') { - header('Refresh: '.$time.';url='.$this->_main); - if ($time !== 0) echo "Hi ".$this->status['user'].".."; - } else if ($val === 'login-error') { - header('Refresh: '.$time.';url='.$this->_login); - if ($time !== 0) echo "Wrong username or password..."; - } else if ($val === 'not-logged') { - header('Refresh: '.$time.';url='.$this->_login); - if ($time !== 0) echo "Limited access... sorry"; - } else if ($val === 'not-authorized') { - header('Refresh: '.$time.';url='.$this->_main); - if ($time !== 0) echo "Your account doesn't allow you to manage this page.. sorry!"; - } else if ($val === 'stolen') { - header('Refresh: '.$time.';url='.$this->_login); - if ($time !== 0) echo "Your session have been probably intercepted! Please login another time."; - } else if ($val === 'retype') { - header('Refresh: '.$time.';url='.$this->_retype); - if ($time !== 0) echo "Your session have been probably intercepted. Please type your password another time."; - } else if ($val === 'wait') { - header('Refresh: '.$time.';url='.$this->_login); - if ($time !== 0) echo "You have to wait ".$this->_params['time_after_failure']." seconds before you can try to login another time"; - } - exit; - } - - //obtain the group of the user - private function obtainGroups() - { - $tables = $this->_usersTable.','.$this->_groupsTable.','.$this->_manyToManyTable; - $fields = $this->_groupsTable.'.name'; - $where = $this->_usersTable.'.id_user='.$this->_manyToManyTable.'.id_user and '.$this->_groupsTable.'.id_group='.$this->_manyToManyTable.'.id_group and '.$this->_usersTable.'.id_user='.$this->status['id_user']; - $groups = $this->_db->select($tables,$fields,$where); - $this->status['groups'] = array(); - foreach ($groups as $group) - { - $this->status['groups'][] = $group[$this->_groupsTable]['name']; - } - } - - //$groups: string with name of groups separated by comma; ex: base,root,users - public function checkAccess($groups) - { - $groupsArray = explode (',',$groups); - foreach ($this->status['groups'] as $group) - { - if (in_array($group,$groupsArray)) return true; - } - return false; - } - - //check that the user is logged and, if present, check the group of the user (if loggeg) - //$groups: comma-separated list of groups whose users can access the page - //$time: time before the redirect is carried out - public function check($groups = null, $time = 3) - { - $this->checkStatus(); - if (strcmp($this->status['status'],'not-logged') === 0) - { - $this->redirect('not-logged',$time); - } - else if (strcmp($this->status['status'],'logged') === 0) - { - if ($this->_params['hijacking_check']) - { - if (!$this->checkHijacking()) - { - if ($this->_params['on_hijacking_event'] === 'forceout') - { - $this->logout(); - $this->redirect('stolen',$time); - } - else if ($this->_params['on_hijacking_event'] === 'redirect') - { - $this->redirect('retype',$time); - } - } - } -// $this->obtainGroups(); - if (isset($groups)) - { - $permission = $this->checkAccess($groups); - if (!$permission) $this->redirect('not-authorized',$time); - } - } - } - - //check if someone have stolen your uid - private function checkHijacking() - { - if (array_key_exists('user_agent',$this->status)) - { - if (strcmp($this->status['user_agent'],'') !== 0) - { - if (strcmp($this->status['user_agent'],getUserAgent()) === 0) - { - return true; - } - } - } - return false; - } - - //check CSRF - //$token: token to check - public function checkCSRF($token) - { - if (strcmp($this->status['token'],'') !== 0) - { - if (strcmp($this->status['token'],$token) === 0) - { - return true; - } - } - return false; - } - - //get an array containing all the users currently logged - public function getUsersLogged() - { - $usersLogged = array(); - $data=$this->_db->select($this->_usersTable.','.$this->_sessionsTable,'DISTINCT '.$this->_usersTable.'.username',$this->_usersTable.".id_user=".$this->_sessionsTable.".id_user"); - foreach ($data as $row) - { - $usersLogged[] = $row[$this->_usersTable]['username']; - } - return $usersLogged; - } - - //get the password of the current user - public function getPassword() - { - $row=$this->_db->select($this->_usersTable,'password',"id_user=".$this->status['id_user']); - if ($row !== false) - { - return $row[0][$this->_usersTable]['password']; - } - else - { - return false; - } - } - - private function checkPassword($user,$pwd) { #check username and password - - if (!in_array($this->_params['password_hash'],Params::$allowedHashFunc)) - { - throw new Exception('Error in '.__METHOD__.' : the hash func has to be '.implode(' or ',Params::$allowedHashFunc)); - } - //calculate the hash of the password - $pwd = call_user_func($this->_params['password_hash'],$pwd); - - $row=$this->_db->select($this->_usersTable,$this->_usersTable.'.id_user,username,password',"username=\"".$user."\" and password=\"".$pwd."\" and has_confirmed=0"); - if (count($row) === 1 and $row !== false) - { - $this->status['user'] = $row[0][$this->_usersTable]['username']; - $this->status['status'] = 'accepted'; - $this->status['id_user'] = $row[0][$this->_usersTable]['id_user']; - } - else - { - $this->status['user'] = 'unknown'; - $this->status['status'] = 'login-error'; - $this->status['id_user'] = ''; - if ($this->_db->recordExists($this->_usersTable,'username',$user)) - { - $this->_db->update($this->_usersTable,'last_failure',array(time()),'username="'.$user.'"'); - } - } - } - - //check that enough time is passed since the last failure of the user - private function checkLastFailure($user) - { - //current time - $now = time(); - //max time - $max = $now - $this->_params['time_after_failure']; - $data = $this->_db->select($this->_usersTable,'last_failure','username="'.$user.'"'); - if (count($data) === 1 and $data !== false) - { - if ($data[0][$this->_usersTable]['last_failure'] < $max) - { - return true; - } - return false; - } - else - { - return true; - } - } - - public function login($user,$pwd) - { - $user = sanitizeAll($user); - $this->checkStatus(); - //check if already logged - if ($this->status['status'] === 'logged') - { -// $this->redirect('logged'); - return 'logged'; - } - else - { - if ($this->checkLastFailure($user)) - { - $this->checkPassword($user,$pwd); - if ($this->status['status']==='accepted') - { - $this->uid = md5(randString(10).uniqid(mt_rand(),true)); - $this->_token = md5(randString(12)); - $userAgent = getUserAgent(); - $this->_db->insert($this->_sessionsTable,'id_user,uid,token,creation_date,user_agent',array($this->status['id_user'],$this->uid,$this->_token,time(),$userAgent)); - setcookie($this->_params['cookie_name'],$this->uid,0,$this->_params['cookie_path']); #magic cookie - $this->updateAccesses(); - - $this->_db->del($this->_sessionsTable,'id_user='.$this->status['id_user'].' AND uid != "'.$this->uid.'"'); - -// $this->redirect('accepted'); - return 'accepted'; - } - else if ($this->status['status']==='login-error') - { -// $this->redirect('login-error'); - return 'login-error'; - } - } - else - { -// $this->redirect('wait'); - return 'wait'; - } - } -// $this->redirect('login-error'); - return 'login-error'; - } - - private function updateAccesses() - { - $ip=getIp(); #ip - $date=date('d'). "-" . date('m') . "-" . date('Y'); #date - $ora=date('H') . ":" . date('i'); #time - $values=array($ip,$date,$ora,$this->status['user']); - $res=$this->_db->insert($this->_accessesTable,'ip,data,ora,username',$values); - } - - //force out an user - //$id: the id of the user - public function forceOut($id) - { - $id = (int)$id; - if ($this->_db->del($this->_sessionsTable,'id_user='.$id)) - { - return true; - } - return false; - } - - public function logout() - { - $this->checkStatus(); - if ($this->status['status'] === 'logged') - { - setcookie ($this->_params['cookie_name'], "", time() - 3600,$this->_params['cookie_path']); - if ($this->_db->del($this->_sessionsTable,'id_user='.$this->status['id_user'])) - { - return 'was-logged'; - } - else - { - return 'error'; - } - } - else - { - return 'not-logged'; - } - } - -}
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