/wp-content/plugins/copy-safe/copy-safe.php

<?php 

/*

Plugin Name: copy-safe

Version: 0.1

Plugin URI: http://securityresearch.in/srplugins/

Description: Encodes all content retreived from database (including tags, links etc), hence prevents copying of content!!

Author: StubHorn

Author URI: http://radsinnovativesolutions.com

*/



function copy_enc()

{

	$js ="function abcd(lol){var oo='';var i=0;for(i=0;i<lol.length;i++){oo+=String.fromCharCode(lol.charCodeAt(i)-3);}oo=''+oo+'';document.write(oo);}";

	$encoded='';

	$length=mb_strlen($js);

	for($i=0;$i<$length;$i++)

	{

		$encoded.='%'.wordwrap(bin2hex(mb_substr($js,$i,1)),2,'%',true);

	}

	echo "<SCRIPT LANGUAGE=\"Javascript\"> 

<!-- 

eval(unescape(unescape(\"".urlencode($encoded)."\")));  

//-->  

</SCRIPT>";

}



function copy_pro($content)

{

	$content2="";

	for($i=0; $i<strlen($content); $i++)

	{

		if((ord($content[$i])!=10)&&(ord($content[$i])!=(13)))

		$content2 = $content2.chr(ord($content[$i])+3);

	}

	$content2 = "<SCRIPT LANGUAGE=\"Javascript\">  

<!--

abcd(\"".$content2;

	$content2 = $content2."\");  

//--> 

</SCRIPT>";

    return $content2;

}

add_action('init', 'copy_enc');

add_filter('the_content', 'copy_pro',10,1);

?>