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modules/ets_cfultimate/controllers/front/captcha.php

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+<?php
+/**
+ * 2007-2021 ETS-Soft
+ *
+ * NOTICE OF LICENSE
+ *
+ * This file is not open source! Each license that you purchased is only available for 1 wesite only.
+ * If you want to use this file on more websites (or projects), you need to purchase additional licenses.
+ * You are not allowed to redistribute, resell, lease, license, sub-license or offer our resources to any third party.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please contact us for extra customization service at an affordable price
+ *
+ * @author ETS-Soft <etssoft.jsc@gmail.com>
+ * @copyright  2007-2021 ETS-Soft
+ * @license    Valid for 1 website (or project) for each purchase of license
+ *  International Registered Trademark & Property of ETS-Soft
+ */
+
+if (!defined('_PS_VERSION_'))
+    exit;
+
+class Ets_CfUltimateCaptchaModuleFrontController extends ModuleFrontController
+{
+    public function init()
+    {
+        $this->create_image();
+        die;
+    }
+
+    public function create_image()
+    {
+        $security_code = Tools::substr(sha1(mt_rand()), 17, 6);
+        $context = Context::getContext();
+        $captcha_name = Tools::getValue('captcha_name');
+        if (Tools::getValue('page') == 'contact')
+            $context->cookie->$captcha_name = $security_code;
+        else
+            $context->cookie->$captcha_name = $security_code;
+        $context->cookie->write();
+        if (Tools::getValue('theme') == 'colorful') {
+
+            $image = imagecreatetruecolor(150, 35);
+
+            $width = imagesx($image);
+            $height = imagesy($image);
+
+            $black = imagecolorallocate($image, 0, 0, 0);
+            $white = imagecolorallocate($image, 255, 255, 255);
+            $red = imagecolorallocatealpha($image, 255, 0, 0, 75);
+            $green = imagecolorallocatealpha($image, 0, 255, 0, 75);
+            $blue = imagecolorallocatealpha($image, 0, 0, 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, (int)(($width - (Tools::strlen($security_code) * 9)) / 2), (int)(($height - 15) / 2), $security_code, $black);
+        } else {
+            $width = 100;
+            $height = 30;
+            $image = ImageCreate($width, $height);
+            $white = ImageColorAllocate($image, 255, 255, 255);
+            $black = ImageColorAllocate($image, 27, 79, 166);
+            $noise_color = imagecolorallocate($image, 172, 211, 255);
+            $background_color = imagecolorallocate($image, 255, 255, 255);
+            //$text_color = imagecolorallocate($image, 20, 40, 100);
+            ImageFill($image, 0, 0, $background_color);
+            for ($i = 0; $i < ($width * $height) / 3; $i++) {
+                imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
+            }
+            for ($i = 0; $i < ($width * $height) / 150; $i++) {
+                imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
+            }
+            imagestring($image, 10, 30, 6, $security_code, $black);
+        }
+        header("Content-Type: image/jpeg");
+        ImageJpeg($image);
+        ImageDestroy($image);
+        exit();
+    }
+
+    /*function to convert hex value to rgb array*/
+    protected function hexToRGB($colour)
+    {
+        if ($colour[0] == '#') {
+            $colour = Tools::substr($colour, 1);
+        }
+        if (Tools::strlen($colour) == 6) {
+            list($r, $g, $b) = array($colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5]);
+        } elseif (Tools::strlen($colour) == 3) {
+            list($r, $g, $b) = array($colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2]);
+        } else {
+            return false;
+        }
+        $r = hexdec($r);
+        $g = hexdec($g);
+        $b = hexdec($b);
+        return array('r' => $r, 'g' => $g, 'b' => $b);
+    }
+
+
+    /*function to get center position on image*/
+    protected function ImageTTFCenter($image, $text, $font, $size, $angle = 8)
+    {
+        $xi = imagesx($image);
+        $yi = imagesy($image);
+        $box = imagettfbbox($size, $angle, $font, $text);
+        $xr = abs(max($box[2], $box[4])) + 5;
+        $yr = abs(max($box[5], $box[7]));
+        $x = (int)(($xi - $xr) / 2);
+        $y = (int)(($yi + $yr) / 2);
+        return array($x, $y);
+    }
+}