1 files changed, 57 insertions, 0 deletions
diff --git a/public/catalog/controller/extension/captcha/basic.php b/public/catalog/controller/extension/captcha/basic.php
new file mode 100644
index 0000000..f0f3325
--- /dev/null
+++ b/public/catalog/controller/extension/captcha/basic.php
@@ -0,0 +1,57 @@
+<?php
+class ControllerExtensionCaptchaBasic extends Controller {
+	public function index($error = array()) {
+		$this->load->language('extension/captcha/basic');
+
+		if (isset($error['captcha'])) {
+			$data['error_captcha'] = $error['captcha'];
+		} else {
+			$data['error_captcha'] = '';
+		}
+
+		$data['route'] = $this->request->get['route']; 
+
+		return $this->load->view('extension/captcha/basic', $data);
+	}
+
+	public function validate() {
+		$this->load->language('extension/captcha/basic');
+
+		if (empty($this->session->data['captcha']) || ($this->session->data['captcha'] != $this->request->post['captcha'])) {
+			return $this->language->get('error_captcha');
+		}
+	}
+
+	public function captcha() {
+		$this->session->data['captcha'] = substr(sha1(mt_rand()), 17, 6);
+
+		$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, intval(($width - (strlen($this->session->data['captcha']) * 9)) / 2), intval(($height - 15) / 2), $this->session->data['captcha'], $black);
+
+		header('Content-type: image/jpeg');
+
+		imagejpeg($image);
+
+		imagedestroy($image);
+		exit();
+	}
+}