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<?php |
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// GIJOE's Ticket Class (based on Marijuana's Oreteki XOOPS) |
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// nobunobu's suggestions are applied |
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if (!class_exists('XoopsGTicket')) { |
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/** |
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* Class XoopsGTicket |
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*/ |
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class XoopsGTicket |
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{ |
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public $_errors = []; |
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public $_latest_token = ''; |
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public $messages = []; |
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/** |
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* XoopsGTicket constructor. |
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*/ |
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public function __construct() |
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{ |
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global $xoopsConfig; |
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// language file |
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if (defined('XOOPS_ROOT_PATH') && !empty($xoopsConfig['language']) && false === strpos($xoopsConfig['language'], '/')) { |
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if (file_exists(dirname(__DIR__) . '/language/' . $xoopsConfig['language'] . '/gticket_messages.phtml')) { |
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include dirname(__DIR__) . '/language/' . $xoopsConfig['language'] . '/gticket_messages.phtml'; |
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} |
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} |
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// default messages |
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if (empty($this->messages)) { |
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$this->messages = [ |
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'err_general' => 'GTicket Error', |
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'err_nostubs' => 'No stubs found', |
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'err_noticket' => 'No ticket found', |
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'err_nopair' => 'No valid ticket-stub pair found', |
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'err_timeout' => 'Time out', |
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'err_areaorref' => 'Invalid area or referer', |
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'fmt_prompt4repost' => 'error(s) found:<br><span style="background-color:red;font-weight:bold;color:white;">%s</span><br>Confirm it.<br>And do you want to post again?', |
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'btn_repost' => 'repost', |
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]; |
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} |
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} |
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// render form as plain html |
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/** |
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* @param string $salt |
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* @param int $timeout |
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* @param string $area |
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* |
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* @return string |
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*/ |
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public function getTicketHtml($salt = '', $timeout = 1800, $area = '') |
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{ |
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return '<input type="hidden" name="XOOPS_G_TICKET" value="' . $this->issue($salt, $timeout, $area) . '" />'; |
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} |
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// returns an object of XoopsFormHidden including theh ticket |
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/** |
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* @param string $salt |
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* @param int $timeout |
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* @param string $area |
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* |
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* @return XoopsFormHidden |
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*/ |
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public function getTicketXoopsForm($salt = '', $timeout = 1800, $area = '') |
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{ |
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return new XoopsFormHidden('XOOPS_G_TICKET', $this->issue($salt, $timeout, $area)); |
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} |
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// add a ticket as Hidden Element into XoopsForm |
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/** |
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* @param $form |
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* @param string $salt |
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* @param int $timeout |
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* @param string $area |
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*/ |
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public function addTicketXoopsFormElement($form, $salt = '', $timeout = 1800, $area = '') |
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{ |
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$form->addElement(new XoopsFormHidden('XOOPS_G_TICKET', $this->issue($salt, $timeout, $area))); |
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} |
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// returns an array for xoops_confirm() ; |
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/** |
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* @param string $salt |
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* @param int $timeout |
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* @param string $area |
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* |
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* @return array |
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*/ |
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public function getTicketArray($salt = '', $timeout = 1800, $area = '') |
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{ |
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return ['XOOPS_G_TICKET' => $this->issue($salt, $timeout, $area)]; |
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} |
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// return GET parameter string. |
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/** |
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* @param string $salt |
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* @param bool $noamp |
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* @param int $timeout |
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* @param string $area |
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* |
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* @return string |
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*/ |
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public function getTicketParamString($salt = '', $noamp = false, $timeout = 1800, $area = '') |
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{ |
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return ($noamp ? '' : '&') . 'XOOPS_G_TICKET=' . $this->issue($salt, $timeout, $area); |
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} |
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// issue a ticket |
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/** |
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* @param string $salt |
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* @param int $timeout |
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* @param string $area |
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* |
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* @return string |
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*/ |
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public function issue($salt = '', $timeout = 1800, $area = '') |
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{ |
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global $xoopsModule; |
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if ('' === $salt) { |
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$salt = '$2y$07$' . str_replace('+', '.', base64_encode(random_bytes(16))); |
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} |
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// create a token |
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[$usec, $sec] = explode(' ', microtime()); |
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$appendix_salt = empty($_SERVER['PATH']) ? XOOPS_DB_NAME : $_SERVER['PATH']; |
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$token = crypt($salt . $usec . $appendix_salt . $sec, $salt); |
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$this->_latest_token = $token; |
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if (empty($_SESSION['XOOPS_G_STUBS'])) { |
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$_SESSION['XOOPS_G_STUBS'] = []; |
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} |
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// limit max stubs 10 |
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if (count($_SESSION['XOOPS_G_STUBS']) > 10) { |
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$_SESSION['XOOPS_G_STUBS'] = array_slice($_SESSION['XOOPS_G_STUBS'], -10); |
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} |
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// record referer if browser send it |
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$referer = empty($_SERVER['HTTP_REFERER']) ? '' : $_SERVER['REQUEST_URI']; |
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// area as module's dirname |
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if (!$area && isset($xoopsModule) && is_object($xoopsModule)) { |
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$area = $xoopsModule->getVar('dirname'); |
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} |
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// store stub |
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$_SESSION['XOOPS_G_STUBS'][] = [ |
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'expire' => time() + $timeout, |
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'referer' => $referer, |
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'area' => $area, |
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'token' => $token, |
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]; |
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// paid md5ed token as a ticket |
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return md5($token . XOOPS_DB_PREFIX); |
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} |
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// check a ticket |
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/** |
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* @param bool $post |
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* @param string $area |
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* @param bool $allow_repost |
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* |
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* @return bool |
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*/ |
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public function check($post = true, $area = '', $allow_repost = true) |
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{ |
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global $xoopsModule; |
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$this->_errors = []; |
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// CHECK: stubs are not stored in session |
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if (!isset($_SESSION['XOOPS_G_STUBS']) || !is_array($_SESSION['XOOPS_G_STUBS'])) { |
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$this->_errors[] = $this->messages['err_nostubs']; |
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$_SESSION['XOOPS_G_STUBS'] = []; |
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} |
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// get key&val of the ticket from a user's query |
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$ticket = ''; |
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if ($post) { |
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if (isset($_POST['XOOPS_G_TICKET'])) { |
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$ticket = $_POST['XOOPS_G_TICKET']; |
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} |
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} else { |
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if (isset($_GET['XOOPS_G_TICKET'])) { |
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$ticket = $_GET['XOOPS_G_TICKET']; |
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} |
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} |
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// CHECK: no tickets found |
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if (empty($ticket)) { |
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$this->_errors[] = $this->messages['err_noticket']; |
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} |
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// gargage collection & find a right stub |
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$stubs_tmp = $_SESSION['XOOPS_G_STUBS']; |
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$_SESSION['XOOPS_G_STUBS'] = []; |
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foreach ($stubs_tmp as $stub) { |
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// default lifetime 30min |
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if ($stub['expire'] >= time()) { |
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if (md5($stub['token'] . XOOPS_DB_PREFIX) === $ticket) { |
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$found_stub = $stub; |
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} else { |
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// store the other valid stubs into session |
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$_SESSION['XOOPS_G_STUBS'][] = $stub; |
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} |
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} else { |
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if (md5($stub['token'] . XOOPS_DB_PREFIX) === $ticket) { |
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// not CSRF but Time-Out |
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$timeout_flag = true; |
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} |
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} |
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} |
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// CHECK: the right stub found or not |
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if (empty($found_stub)) { |
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if (empty($timeout_flag)) { |
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$this->_errors[] = $this->messages['err_nopair']; |
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} else { |
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$this->_errors[] = $this->messages['err_timeout']; |
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} |
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} else { |
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// set area if necessary |
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// area as module's dirname |
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if (!$area && isset($xoopsModule) && is_object($xoopsModule)) { |
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$area = $xoopsModule->getVar('dirname'); |
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} |
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// check area or referer |
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if (isset($found_stub['area']) && $found_stub['area'] == $area) { |
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$area_check = true; |
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} |
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if (!empty($found_stub['referer']) && isset($_SERVER['HTTP_REFERER']) && false !== strpos($_SERVER['HTTP_REFERER'], (string) $found_stub['referer'])) { |
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$referer_check = true; |
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} |
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if (empty($area_check) && empty($referer_check)) { // loose |
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$this->_errors[] = $this->messages['err_areaorref']; |
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} |
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} |
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if (!empty($this->_errors)) { |
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if ($allow_repost) { |
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// repost form |
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$this->draw_repost_form($area); |
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exit; |
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} else { |
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// failed |
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$this->clear(); |
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return false; |
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} |
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} else { |
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// all green |
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return true; |
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} |
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} |
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// draw form for repost |
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/** |
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* @param string $area |
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*/ |
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public function draw_repost_form($area = '') |
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{ |
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// Notify which file is broken |
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if (headers_sent()) { |
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restore_error_handler(); |
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set_error_handler([&$this, 'errorHandler4FindOutput']); |
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header('Dummy: for warning'); |
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restore_error_handler(); |
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exit; |
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} |
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281
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error_reporting(0); |
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while (ob_get_level()) { |
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ob_end_clean(); |
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} |
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285
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286
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$table = '<table>'; |
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287
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$form = '<form action="?' . htmlspecialchars($_SERVER['QUERY_STRING'] ?? '', ENT_QUOTES | ENT_HTML5) . '" method="post">'; |
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288
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289
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foreach ($_POST as $key => $val) { |
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if ('XOOPS_G_TICKET' === $key) { |
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continue; |
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} |
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294
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if (is_array($val)) { |
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[$tmp_table, $tmp_form] = $this->extract_post_recursive(htmlspecialchars($key, ENT_QUOTES | ENT_HTML5), $val); |
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$table .= $tmp_table; |
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297
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$form .= $tmp_form; |
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} else { |
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$table .= '<tr><th>' . htmlspecialchars($key, ENT_QUOTES | ENT_HTML5) . '</th><td>' . htmlspecialchars($val, ENT_QUOTES | ENT_HTML5) . '</td></tr>' . "\n"; |
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300
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$form .= '<input type="hidden" name="' . htmlspecialchars($key, ENT_QUOTES | ENT_HTML5) . '" value="' . htmlspecialchars($val, ENT_QUOTES | ENT_HTML5) . '" />' . "\n"; |
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} |
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} |
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303
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$table .= '</table>'; |
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304
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$form .= $this->getTicketHtml(__LINE__, 300, $area) . '<input type="submit" value="' . $this->messages['btn_repost'] . '" /></form>'; |
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305
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306
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echo '<html><head><title>' . $this->messages['err_general'] . '</title><style>table,td,th {border:solid black 1px; border-collapse:collapse;}</style></head><body>' . sprintf($this->messages['fmt_prompt4repost'], $this->getErrors()) . $table . $form . '</body></html>'; |
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} |
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308
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309
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/** |
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310
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* @param $key_name |
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311
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* @param $tmp_array |
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312
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* |
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313
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* @return array |
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314
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*/ |
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315
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|
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public function extract_post_recursive($key_name, $tmp_array) |
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316
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{ |
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317
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$table = ''; |
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318
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$form = ''; |
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319
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foreach ($tmp_array as $key => $val) { |
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320
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if (is_array($val)) { |
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321
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|
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[$tmp_table, $tmp_form] = $this->extract_post_recursive($key_name . '[' . htmlspecialchars($key, ENT_QUOTES | ENT_HTML5) . ']', $val); |
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322
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|
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$table .= $tmp_table; |
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323
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|
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$form .= $tmp_form; |
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324
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} else { |
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325
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|
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$table .= '<tr><th>' . $key_name . '[' . htmlspecialchars($key, ENT_QUOTES | ENT_HTML5) . ']</th><td>' . htmlspecialchars($val, ENT_QUOTES | ENT_HTML5) . '</td></tr>' . "\n"; |
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326
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|
|
$form .= '<input type="hidden" name="' . $key_name . '[' . htmlspecialchars($key, ENT_QUOTES | ENT_HTML5) . ']" value="' . htmlspecialchars($val, ENT_QUOTES | ENT_HTML5) . '" />' . "\n"; |
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327
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|
|
} |
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328
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|
|
} |
|
329
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|
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|
|
330
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|
|
return [$table, $form]; |
|
331
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|
|
} |
|
332
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|
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|
|
333
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|
|
// clear all stubs |
|
334
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|
|
public function clear() |
|
335
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|
|
{ |
|
336
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|
|
$_SESSION['XOOPS_G_STUBS'] = []; |
|
337
|
|
|
} |
|
338
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|
|
|
|
339
|
|
|
// Ticket Using |
|
340
|
|
|
/** |
|
341
|
|
|
* @return bool |
|
342
|
|
|
*/ |
|
343
|
|
|
public function using() |
|
344
|
|
|
{ |
|
345
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|
|
if (!empty($_SESSION['XOOPS_G_STUBS'])) { |
|
346
|
|
|
return true; |
|
347
|
|
|
} else { |
|
348
|
|
|
return false; |
|
349
|
|
|
} |
|
350
|
|
|
} |
|
351
|
|
|
|
|
352
|
|
|
// return errors |
|
353
|
|
|
/** |
|
354
|
|
|
* @param bool $ashtml |
|
355
|
|
|
* |
|
356
|
|
|
* @return array|string |
|
357
|
|
|
*/ |
|
358
|
|
|
public function getErrors($ashtml = true) |
|
359
|
|
|
{ |
|
360
|
|
|
if ($ashtml) { |
|
361
|
|
|
$ret = ''; |
|
362
|
|
|
foreach ($this->_errors as $msg) { |
|
363
|
|
|
$ret .= "$msg<br>\n"; |
|
364
|
|
|
} |
|
365
|
|
|
} else { |
|
366
|
|
|
$ret = $this->_errors; |
|
367
|
|
|
} |
|
368
|
|
|
|
|
369
|
|
|
return $ret; |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
/** |
|
373
|
|
|
* @param $errNo |
|
374
|
|
|
* @param $errStr |
|
375
|
|
|
* @param $errFile |
|
376
|
|
|
* @param $errLine |
|
377
|
|
|
* @return null |
|
378
|
|
|
*/ |
|
379
|
|
|
public function errorHandler4FindOutput($errNo, $errStr, $errFile, $errLine) |
|
|
|
|
|
|
380
|
|
|
{ |
|
381
|
|
|
if (preg_match('#' . preg_quote(XOOPS_ROOT_PATH, '#') . '([^:]+)\:(\d+)?#', $errStr, $regs)) { |
|
382
|
|
|
echo 'Irregular output! check the file ' . htmlspecialchars($regs[1], ENT_QUOTES | ENT_HTML5) . ' line ' . htmlspecialchars($regs[2], ENT_QUOTES | ENT_HTML5); |
|
383
|
|
|
} else { |
|
384
|
|
|
echo 'Irregular output! check language files etc.'; |
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
return null; |
|
388
|
|
|
} |
|
389
|
|
|
// end of class |
|
390
|
|
|
} |
|
391
|
|
|
|
|
392
|
|
|
// create a instance in global scope |
|
393
|
|
|
$GLOBALS['xoopsGTicket'] = new XoopsGTicket(); |
|
394
|
|
|
} |
|
395
|
|
|
|
|
396
|
|
|
if (!function_exists('admin_refcheck')) { |
|
397
|
|
|
|
|
398
|
|
|
//Admin Referer Check By Marijuana(Rev.011) |
|
399
|
|
|
/** |
|
400
|
|
|
* @param string $chkref |
|
401
|
|
|
* |
|
402
|
|
|
* @return bool |
|
403
|
|
|
*/ |
|
404
|
|
|
function admin_refcheck($chkref = '') |
|
405
|
|
|
{ |
|
406
|
|
|
if (empty($_SERVER['HTTP_REFERER'])) { |
|
407
|
|
|
return true; |
|
408
|
|
|
} else { |
|
409
|
|
|
$ref = $_SERVER['HTTP_REFERER']; |
|
410
|
|
|
} |
|
411
|
|
|
$cr = XOOPS_URL; |
|
412
|
|
|
if ('' != $chkref) { |
|
413
|
|
|
$cr .= $chkref; |
|
414
|
|
|
} |
|
415
|
|
|
return !(0 !== strpos($ref, $cr)); |
|
416
|
|
|
} |
|
417
|
|
|
} |
|
418
|
|
|
|
XOOPS /
XoopsCore25
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In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.