/*******************************
********   OBFUSCAPERY   *******
********************************
* Version 1.0.1                *
* (c)2011 Lilaea Media LLC     *
********************************
************************************************************************************
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
***********************************************************************************/


/***** PUT ME IN YOUR JS INCLUDE FOLDER AND POINT THE HTML SCRIPT SRC TAG AT ME ****/
$(document).ready(function(e) {
	$(document).mousemove(isHuman); // requires a mouse move to load email address
});

function isHuman(e) { // handles mouse move event, assumes must be human
	$(document).unbind('mousemove'); // unbind mouse event
	var hex = $('#obfu_0').html(); // get encrypted email address from first div
	var res;
	$.ajax({ // post back to footer php to get decrypt key
	/*EDIT ME* CHANGE URL TO THE ACTUAL LOCATION OF THIS INCLUDE ON YOUR SERVER vvv**/
		url: 'includes/obfuscapery.inc.php',
	/*EDIT ME* CHANGE URL TO THE ACTUAL LOCATION OF THIS INCLUDE ON YOUR SERVER ^^^**/
		data: { token: hex }, // pass token
		type: 'POST', // only works on post data
		error: function() { return; }, // bail on error
		success: function(response) { // get params 
			res = response.split("\n");
		},
		complete: function() { // gracefully replace each link with mailto link
			var count = res.shift();
			var secret = res.shift();
			var selector = '';
			for (e = 0; e < count; e++) {
				var email = $('#obfu_' + e).html(); // get encrypted email address from div
				var selector = '#mailto_' + e;
				email = xor_dec(email, secret);
				swapMailTo(selector, email);
			}
		}
	});
}

function swapMailTo(selector, email) 
{
	/*EDIT ME* MODIFY THIS OUTPUT TO SUIT YOUR NEEDS vvv**/
	var mailto = '<a href="mailto:' + email + '">' + email + '</a>'; // customize this
	/*EDIT ME* MODIFY THIS OUTPUT TO SUIT YOUR NEEDS ^^^**/
	$(selector).fadeOut('slow', function(e) { $(this).html(mailto).fadeIn('slow'); } );
}

function xor_dec(hex, key)
{
	if (hex.length == 0 || key.length == 0) return; // verify input exists
 	while (key.length < hex.length) key += key; // pad key to >= hex
	var string = ''; // initialize result string
 	for(p = 0; p < hex.length; p += 2) 
	{ // iterate through input string two chars at a time
		var h = hex.charAt(p) + hex.charAt(p + 1); // get next two hex chars
		var b = parseInt(h, 16); // convert to decimal
		var k = key.charCodeAt(p / 2); // get ascii value of corresponding key
		var c = String.fromCharCode(b ^ k); // get ascii char from xor bitwise conversion
		string += c; // add to result string
	}
	return string;
}