| 1: | <?php
|
| 2: | namespace Opencart\Catalog\Controller\Extension\Opencart\Captcha;
|
| 3: | |
| 4: | |
| 5: | |
| 6: | |
| 7: |
|
| 8: | class Basic extends \Opencart\System\Engine\Controller {
|
| 9: | |
| 10: | |
| 11: | |
| 12: | |
| 13: |
|
| 14: | public function index(): string {
|
| 15: | $this->load->language('extension/opencart/captcha/basic');
|
| 16: |
|
| 17: | $data['route'] = (string)$this->request->get['route'];
|
| 18: |
|
| 19: | $this->session->data['captcha'] = substr(oc_token(100), mt_rand(0, 94), 6);
|
| 20: |
|
| 21: | return $this->load->view('extension/opencart/captcha/basic', $data);
|
| 22: | }
|
| 23: |
|
| 24: | |
| 25: | |
| 26: | |
| 27: | |
| 28: |
|
| 29: | public function validate(): string {
|
| 30: | $this->load->language('extension/opencart/captcha/basic');
|
| 31: |
|
| 32: | if (!isset($this->session->data['captcha']) || !isset($this->request->post['captcha']) || ($this->session->data['captcha'] != $this->request->post['captcha'])) {
|
| 33: | return $this->language->get('error_captcha');
|
| 34: | } else {
|
| 35: | return '';
|
| 36: | }
|
| 37: | }
|
| 38: |
|
| 39: | |
| 40: | |
| 41: | |
| 42: | |
| 43: |
|
| 44: | public function captcha(): void {
|
| 45: | $image = imagecreatetruecolor(150, 35);
|
| 46: |
|
| 47: | $width = imagesx($image);
|
| 48: | $height = imagesy($image);
|
| 49: |
|
| 50: | $black = imagecolorallocate($image, 0, 0, 0);
|
| 51: | $white = imagecolorallocate($image, 255, 255, 255);
|
| 52: | $red = imagecolorallocatealpha($image, 255, 0, 0, 75);
|
| 53: | $green = imagecolorallocatealpha($image, 0, 255, 0, 75);
|
| 54: | $blue = imagecolorallocatealpha($image, 0, 0, 255, 75);
|
| 55: |
|
| 56: | imagefilledrectangle($image, 0, 0, $width, $height, $white);
|
| 57: | imagefilledellipse($image, mt_rand(5, 145), mt_rand(0, 35), 30, 30, $red);
|
| 58: | imagefilledellipse($image, mt_rand(5, 145), mt_rand(0, 35), 30, 30, $green);
|
| 59: | imagefilledellipse($image, mt_rand(5, 145), mt_rand(0, 35), 30, 30, $blue);
|
| 60: | imagefilledrectangle($image, 0, 0, $width, 0, $black);
|
| 61: | imagefilledrectangle($image, $width - 1, 0, $width - 1, $height - 1, $black);
|
| 62: | imagefilledrectangle($image, 0, 0, 0, $height - 1, $black);
|
| 63: | imagefilledrectangle($image, 0, $height - 1, $width, $height - 1, $black);
|
| 64: |
|
| 65: | imagestring($image, 10, (int)(($width - (strlen($this->session->data['captcha']) * 9)) / 2), (int)(($height - 15) / 2), $this->session->data['captcha'], $black);
|
| 66: |
|
| 67: | header('Content-type: image/jpeg');
|
| 68: | header('Cache-Control: no-cache');
|
| 69: | header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
|
| 70: |
|
| 71: | imagejpeg($image);
|
| 72: |
|
| 73: | imagedestroy($image);
|
| 74: | exit();
|
| 75: | }
|
| 76: | }
|
| 77: | |