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<?php /** * @Copyright Copyright (C) 2012 ... Ahmad Bilal * @license GNU/GPL http://www.gnu.org/copyleft/gpl.html * Company: Buruj Solutions + Contact: www.burujsolutions.com , info@burujsolutions.com * Created on: May 03, 2012 ^ + Project: JS Tickets ^ */ defined('_JEXEC') or die('Not Allowed'); jimport('joomla.application.component.model'); jimport('joomla.html.html'); class JSSupportticketModelCaptcha extends JSSupportTicketModel { function __construct(){ parent::__construct(); } function getCaptchaForForm(){ $session = JFactory::getApplication()->getSession(); $rand=$this->random(); $session->set('jsticket_spamcheckid',$rand , 'jsticket_checkspamcalc'); $session->set('jsticket_rot13', mt_rand(0, 1), 'jsticket_checkspamcalc'); // Determine operator $config = $this->getJSModel('config')->getConfigs(); $operator=2; if($operator==2){ $tcalc = $config['owncaptcha_calculationtype']; } // Determine max. operand $max_value = 20; $negativ=1; $operend_1 = mt_rand(1, $max_value); $operend_2 = mt_rand(1, $max_value); $operand=$config['owncaptcha_totaloperand']; if($operand == 3){ $operend_3 = mt_rand($negativ, $max_value); } if ($config['owncaptcha_calculationtype'] == 2) { // Subtraction if ($config['owncaptcha_subtractionans'] == 1) { $ans = $operend_1 - $operend_2; if ($ans < 0) { $one = $operend_2; $operend_2 = $operend_1; $operend_1 = $one; } if ($operand == 3) { $ans = $operend_1 - $operend_2 - $operend_3; if ($ans < 0) { if ($operend_1 < $operend_2) { $one = $operend_2; $operend_2 = $operend_1; $operend_1 = $one; } if ($operend_1 < $operend_3) { $one = $operend_3; $operend_3 = $operend_1; $operend_1 = $one; } } } } } if ($tcalc == 0) $tcalc = mt_rand(1, 2); if($tcalc == 1) // Addition { if($session->get('jsticket_rot13', null, 'jsticket_checkspamcalc') == 1) // ROT13 coding { if($operand == 2) { $session->set('jsticket_spamcheckresult', str_rot13(base64_encode($operend_1 + $operend_2)), 'jsticket_checkspamcalc'); } elseif($operand == 3) { $session->set('jsticket_spamcheckresult', str_rot13(base64_encode($operend_1 + $operend_2 + $operend_3)), 'jsticket_checkspamcalc'); } } else { if($operand == 2) { $session->set('jsticket_spamcheckresult', base64_encode($operend_1 + $operend_2), 'jsticket_checkspamcalc'); } elseif($operand == 3) { $session->set('jsticket_spamcheckresult', base64_encode($operend_1 + $operend_2 + $operend_3), 'jsticket_checkspamcalc'); } } } elseif($tcalc == 2) // Subtraction { if($session->get('jsticket_rot13', null, 'jsticket_checkspamcalc') == 1) { if($operand == 2) { $session->set('jsticket_spamcheckresult', str_rot13(base64_encode($operend_1 - $operend_2)), 'jsticket_checkspamcalc'); } elseif($operand == 3) { $session->set('jsticket_spamcheckresult', str_rot13(base64_encode($operend_1 - $operend_2 - $operend_3)), 'jsticket_checkspamcalc'); } } else { if($operand == 2) { $session->set('jsticket_spamcheckresult', base64_encode($operend_1 - $operend_2), 'jsticket_checkspamcalc'); } elseif($operand == 3) { $session->set('jsticket_spamcheckresult', base64_encode($operend_1 - $operend_2 - $operend_3), 'jsticket_checkspamcalc'); } } } $add_string=""; $add_string .= '<div><label for="'.$session->get('jsticket_spamcheckid', null, 'jsticket_checkspamcalc').'">'; $add_string .= ' '; if($tcalc == 1) { if($operand == 2) { $add_string .= $operend_1.' '.JText::_('Plus').' '.$operend_2.' '.JText::_('Equals').' '; } elseif($operand == 3) { $add_string .= $operend_1.' '.JText::_('Plus').' '.$operend_2.' '.JText::_('Plus').' '.$operend_3.' '.JText::_('Equals').' '; } } elseif($tcalc == 2) { if($operand == 2) { $add_string .= $operend_1.' '.JText::_('Minus').' '.$operend_2.' '.JText::_('Equals').' '; } elseif($operand == 3) { $add_string .= $operend_1.' '.JText::_('Minus').' '.$operend_2.' '.JText::_('Minus').' '.$operend_3.' '.JText::_('Equals').' '; } } $add_string .= '</label>'; $add_string .= '<input type="text" name="'.$session->get('jsticket_spamcheckid', null, 'jsticket_checkspamcalc').'" id="'.$session->get('jsticket_spamcheckid', null, 'jsticket_checkspamcalc').'" size="3" class="inputbox '.$this->random().' validate-numeric required" value="" required="required" />'; $add_string .= '</div>'; return $add_string; } public function random() { $pw = ''; // first character has to be a letter $characters = range('a', 'z'); $pw .= $characters[mt_rand(0, 25)]; // other characters arbitrarily $numbers = range(0, 9); $characters = array_merge($characters, $numbers); $pw_length = mt_rand(4, 12); for($i = 0; $i < $pw_length; $i++) { $pw .= $characters[mt_rand(0, 35)]; } return $pw; } }?>
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