71 lines
2.2 KiB
PHP
71 lines
2.2 KiB
PHP
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<?php
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namespace Opencart\Catalog\Controller\Extension\Opencart\Captcha;
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/**
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* Class Basic
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*
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* @package
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*/
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class Basic extends \Opencart\System\Engine\Controller {
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/**
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* @return string
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*/
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public function index(): string {
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$this->load->language('extension/opencart/captcha/basic');
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$data['route'] = (string)$this->request->get['route'];
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$this->session->data['captcha'] = substr(oc_token(100), rand(0, 94), 6);
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return $this->load->view('extension/opencart/captcha/basic', $data);
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}
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/**
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* @return string
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*/
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public function validate(): string {
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$this->load->language('extension/opencart/captcha/basic');
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if (!isset($this->session->data['captcha']) || !isset($this->request->post['captcha']) || ($this->session->data['captcha'] != $this->request->post['captcha'])) {
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return $this->language->get('error_captcha');
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} else {
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return '';
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}
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}
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/**
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* @return void
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*/
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public function captcha(): void {
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$image = imagecreatetruecolor(150, 35);
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$width = imagesx($image);
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$height = imagesy($image);
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$black = imagecolorallocate($image, 0, 0, 0);
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$white = imagecolorallocate($image, 255, 255, 255);
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$red = imagecolorallocatealpha($image, 255, 0, 0, 75);
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$green = imagecolorallocatealpha($image, 0, 255, 0, 75);
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$blue = imagecolorallocatealpha($image, 0, 0, 255, 75);
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imagefilledrectangle($image, 0, 0, $width, $height, $white);
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imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $red);
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imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $green);
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imagefilledellipse($image, ceil(rand(5, 145)), ceil(rand(0, 35)), 30, 30, $blue);
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imagefilledrectangle($image, 0, 0, $width, 0, $black);
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imagefilledrectangle($image, $width - 1, 0, $width - 1, $height - 1, $black);
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imagefilledrectangle($image, 0, 0, 0, $height - 1, $black);
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imagefilledrectangle($image, 0, $height - 1, $width, $height - 1, $black);
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imagestring($image, 10, intval(($width - (strlen($this->session->data['captcha']) * 9)) / 2), intval(($height - 15) / 2), $this->session->data['captcha'], $black);
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header('Content-type: image/jpeg');
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header('Cache-Control: no-cache');
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header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
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imagejpeg($image);
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imagedestroy($image);
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exit();
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}
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}
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