first commit

modules/leoblog/classes/captcha.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * 2007-2015 Leotheme
+ *
+ * NOTICE OF LICENSE
+ *
+ *  Content Management
+ *
+ * DISCLAIMER
+ *
+ *  @author    leotheme <leotheme@gmail.com>
+ *  @copyright 2007-2015 Leotheme
+ *  @license   http://leotheme.com - prestashop template provider
+ */
+
+if (!class_exists('LeoCaptcha')) {
+
+    class LeoCaptcha
+    {
+        protected $code;
+        protected $width = 35;
+        protected $height = 150;
+
+        public function __construct()
+        {
+            $this->code = Tools::substr(sha1(mt_rand()), 17, 6);
+        }
+
+        public function getCode()
+        {
+            return $this->code;
+        }
+
+        public function showImage()
+        {
+            $image = imagecreatetruecolor($this->height, $this->width);
+
+            $width = imagesx($image);
+            $height = imagesy($image);
+
+            $black = imagecolorallocate($image, 0, 0, 0);
+            $white = imagecolorallocate($image, 255, 255, 255);
+            $red = imagecolorallocatealpha($image, 255, 033, 0, 75);
+            $green = imagecolorallocatealpha($image, 33, 255, 0, 75);
+            $blue = imagecolorallocatealpha($image, 0, 22, 255, 75);
+
+            imagefilledrectangle($image, 0, 0, $width, $height, $white);
+
+            imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $red);
+            imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $green);
+            imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $blue);
+
+            imagefilledrectangle($image, 0, 0, $width, 0, $black);
+            imagefilledrectangle($image, $width - 1, 0, $width - 1, $height - 1, $black);
+            imagefilledrectangle($image, 0, 0, 0, $height - 1, $black);
+            imagefilledrectangle($image, 0, $height - 1, $width, $height - 1, $black);
+
+            imagestring($image, 10, (($width - (Tools::strlen($this->code) * 9)) / 2), (($height - 15) / 2), $this->code, $black); # validate module
+
+            header('Content-type: image/jpeg');
+
+            imagejpeg($image);
+
+            imagedestroy($image);
+        }
+    }
+}