hello github! 😘

includes/captcha.php

@@ -0,0 +1,99 @@
+<?php
+/**
+*
+* @package Kleeja
+* @copyright (c) 2007 Kleeja.com
+* @license ./docs/license.txt
+*
+*/
+
+/*
+* Fix bug with path of font When using versions of the GD library lower than 2.0.18 
+*/
+if(function_exists('putenv'))
+{
+	@putenv('GDFONTPATH=' . realpath('.'));
+}
+else if(function_exists('ini_set'))
+{
+	@ini_set('GDFONTPATH', realpath('.'));
+}
+
+
+/*
+ * When any body request this file , he will see an image .. 
+ */
+kleeja_cpatcha_image();
+exit();
+
+//
+//this function will just make an image
+//source : http://webcheatsheet.com/php/create_captcha_protection.php
+//
+function kleeja_cpatcha_image()
+{
+	//Let's generate a totally random string using md5
+	$md5_hash = md5(rand(0,999)); 
+
+	//I think the bad things in captcha is two things, O and 0 , so let's remove zero.
+	$security_code = str_replace('0', '', $md5_hash);
+
+	//We don't need a 32 character long string so we trim it down to 5 
+	$security_code = substr($security_code, 15, 4);
+
+	//Set the session to store the security code
+	$_SESSION["klj_sec_code"] = $security_code;
+
+	//Set the image width and height
+	$width = 150;
+	$height = 25; 
+
+	//Create the image resource 
+	$image = ImageCreate($width, $height);  
+
+	//We are making three colors, white, black and gray
+	$white = ImageColorAllocate($image, 255, 255, 255);
+	$black = ImageColorAllocate($image, rand(0, 100), 0, rand(0, 50));
+	$grey = ImageColorAllocate($image, 204, 204, 204);
+
+	//Make the background black 
+	ImageFill($image, 0, 0, $black); 
+	
+	//options
+	$x = 10;
+	$y = 14;
+	$angle = rand(-7, -10);
+
+	//Add randomly generated string in white to the image
+	if(function_exists('imagettftext'))
+	{
+		//
+		// We figure a bug that happens when you add font name without './' before it .. 
+		// he search in the Linux fonts cache , but when you add './' he will know it's our font.
+		//
+		imagettftext ($image, 16,$angle , rand(50, $x), $y+rand(1,3), $white, dirname(__FILE__) . '/arial.ttf', $security_code);
+		#imagettftext ($image, 7, 0, $width-30, $height-4, $white,'./arial.ttf', 'Kleeja');
+	}
+	else
+	{
+		imagestring ($image, imageloadfont(dirname(__FILE__) . '/arial.gdf'), $x+rand(10,15), $y-rand(10,15), $security_code, $white);
+		#imagestring ($image, 1, $width-35, $height-10, 'Kleeja', ImageColorAllocate($image, 200, 200, 200));
+	}
+
+	//Throw in some lines to make it a little bit harder for any bots to break 
+	ImageRectangle($image,0,0,$width-1,$height-1,$grey); 
+	imageline($image, 0, $height/2, $width, $height/2, $grey); 
+	imageline($image, $width/2, 0, $width/2, $height, $grey); 
+ 
+			
+	//Tell the browser what kind of file is come in 
+	header("Content-Type: image/png"); 
+
+	//Output the newly created image in jpeg format 
+	ImagePng($image);
+   
+	//Free up resources
+	ImageDestroy($image);
+}
+
+//<--- EOF