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<?php
/**
* @package System - AntiCopy
* @author Galaa
* @publisher JExtBOX - BOX of Joomla Extensions (www.jextbox.com)
* @authorUrl www.galaa.mn
* @copyright Copyright (C) 2011-2021 Galaa
* @license This extension in released under the GNU/GPL License - http://www.gnu.org/copyleft/gpl.html
*/
// no direct access
defined('_JEXEC') or die;
// Import library dependencies
jimport( 'joomla.plugin.plugin' );
class plgSystemAntiCopy extends JPlugin {
function onAfterRender() {
// Backend
$app = JFactory::getApplication();
if ($app->isClient('administrator'))
return;
// Prepare Script
$html = JFactory::getApplication()->getBody();
// Check User
$user = JFactory::getUser();
$user_groups = $user->getAuthorisedGroups();
$restricted_groups = $this->params->get('restrict_groups', array());
settype($restricted_groups, 'array');
// Auto add Public and Guest
if(!in_array(1, $restricted_groups) && !empty($restricted_groups)){
array_push($restricted_groups, 1);
}elseif(in_array(1, $restricted_groups) && count($restricted_groups) == 1){
array_push($restricted_groups, 9);
}
// Set Permission
if(count(array_diff($user_groups, $restricted_groups)) == 0) {
// Prevent page from being printed
if($this->params->get('disallow_print')) {
$html = preg_replace("/<\/head>/", '<style type="text/css"> @media print { body { display:none } } </style>' . "\n</head>", $html);
} // Prevent page from being printed
// Try to prevent print screen
if($this->params->get('disallow_printscreen')) {
$printscreen = '
<script type="text/javascript">
$(document).ready(function() {
$(window).keydown(function(e){
if(e.keyCode == 44){
e.preventDefault();
}
});
$(window).focus(function() {
$("body").show();
}).blur(function() {
$("body").hide();
});
});
</script>';
$html = preg_replace("/<\/head>/", $printscreen . "\n</head>", $html);
} // Try to prevent print screen
// Popup Message
if($this->params->get('show_message')) {
$comment = "";
} else {
$comment = "//"; // JS comment disables the function alert
}
$message = trim($this->params->get('message'));
// Ban Right Click
switch($this->params->get('disallow_r_click')){
case 0:
break;
case 1:
$r_click = "
<script type=\"text/javascript\">
function clickExplorer() {
if( document.all ) {
${comment}alert('".$message."');
}
return false;
}
function clickOther(e) {
if( document.layers || ( document.getElementById && !document.all ) ) {
if ( e.which == 2 || e.which == 3 ) {
${comment}alert('".$message."');
return false;
}
}
}
if( document.layers ) {
document.captureEvents( Event.MOUSEDOWN );
document.onmousedown=clickOther;
}
else {
document.onmouseup = clickOther;
document.oncontextmenu = clickExplorer;
}
</script>";
$html = preg_replace("/<\/head>/", $r_click . "\n</head>", $html);
break;
case 2:
$html = preg_replace('/<img /', '<img oncontextmenu="return false" ', $html);
break;
} // Ban Right Click
// Disable Copy and Drag
if($this->params->get('disallow_copy')) {
$copy = "
<script type=\"text/javascript\">
document.addEventListener('dragstart', function(e){
e.preventDefault();
});
document.addEventListener('copy', function(e){
e.preventDefault();
${comment}alert('".$message."');
});
</script>";
$html = preg_replace("/<\/head>/", $copy . "\n</head>", $html);
$html = preg_replace('/<\/head>/', '<meta http-equiv="imagetoolbar" content="no">'."\n</head>", $html);
} // Disable Copy and Drag
} // Set Permission
// Restrict the framing
if($this->params->get('disallow_framing')) {
$framing = "
<script type=\"text/javascript\">
if (top!==self) {
top.location=location;
}
</script>";
$html = preg_replace("/<\/body>/", $framing . "\n</body>", $html);
} // Restrict the framing
// Response
JFactory::getApplication()->setBody($html);
return true;
} // onAfterRender
} // class
?>