docs/api/source-extension.opencart.catalog.controller.captcha.basic.html
| 1: | <?php | | 2: | namespace Opencart\Catalog\Controller\Extension\Opencart\Captcha; | | 3: | /** | | 4: | * Class Basic | | 5: | * | | 6: | * @package Opencart\Catalog\Controller\Extension\Opencart\Captcha | | 7: | */ | | 8: | class Basic extends \Opencart\System\Engine\Controller { | | 9: | /** | | 10: | * Index | | 11: | * | | 12: | * @return string | | 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: | * Validate | | 26: | * | | 27: | * @return string | | 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: | * Captcha | | 41: | * | | 42: | * @return void | | 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: | |
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