167 lines
6.7 KiB
PHP
167 lines
6.7 KiB
PHP
<?php
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/**
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* 2007-2020 ETS-Soft
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*
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* NOTICE OF LICENSE
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*
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* This file is not open source! Each license that you purchased is only available for 1 wesite only.
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* If you want to use this file on more websites (or projects), you need to purchase additional licenses.
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* You are not allowed to redistribute, resell, lease, license, sub-license or offer our resources to any third party.
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*
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* DISCLAIMER
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*
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* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
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* versions in the future. If you wish to customize PrestaShop for your
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* needs please contact us for extra customization service at an affordable price
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*
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* @author ETS-Soft <etssoft.jsc@gmail.com>
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* @copyright 2007-2020 ETS-Soft
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* @license Valid for 1 website (or project) for each purchase of license
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* International Registered Trademark & Property of ETS-Soft
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*/
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if (!defined('_PS_VERSION_'))
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exit;
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class Ets_advancedcaptchaCaptchaModuleFrontController extends ModuleFrontController
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{
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public function init()
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{
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$this->imageCaptcha();
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}
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public function imageCaptcha()
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{
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if (headers_sent())
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return;
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ob_start();
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$security_code = Tools::substr(sha1(mt_rand()), 17, 6);
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if (($posTo = Tools::getValue('pos', false)))
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{
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$captcha = Ets_advancedcaptcha::PREFIX_CODE.$posTo;
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$context = Context::getContext();
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$context->cookie->{$captcha} = $security_code;
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$context->cookie->write();
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}
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else
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die('404 not found!');
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if (Configuration::get('PA_CAPTCHA_TYPE') == 'basic')
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{
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$width = 100;
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$height = 30;
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$image = ImageCreate($width, $height);
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$black = ImageColorAllocate($image, 0, 0, 0);
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$noise_color = imagecolorallocate($image, 150, 200, 220);
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$background_color = imagecolorallocate($image, 255, 255, 255);
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ImageFill($image, 0, 0, $background_color);
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for ($i = 0; $i < ($width * $height) / 3; $i++)
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{
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imagefilledellipse($image, mt_rand(0, $width), mt_rand(0, $height), 1, 1, $noise_color);
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}
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for ($i = 0; $i < ($width * $height) / 150; $i++)
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{
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imageline($image, mt_rand(0, $width), mt_rand(0, $height), mt_rand(0, $width), mt_rand(0, $height), $noise_color);
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}
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imagestring($image, 5, 30, 6, $security_code, $black);
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}
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elseif (Configuration::get('PA_CAPTCHA_TYPE') == 'complex')
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{
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$this->captchaComplex($security_code, '#011C6C', '#ffffff', 120, 40, 10, 25);
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}
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elseif (Configuration::get('PA_CAPTCHA_TYPE') == 'colorful')
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{
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$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, (int)(($width - (Tools::strlen($security_code) * 9)) / 2), (int)(($height - 15) / 2), $security_code, $black);
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}
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header("Content-Type: image/jpeg");
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ImageJpeg($image);
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ImageDestroy($image);
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ob_end_flush();
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exit();
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}
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public function captchaComplex($text, $textColor, $backgroundColor, $imgWidth, $imgHeight, $noiceLines = 0, $noiceDots = 0, $noiceColor = '#162453')
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{
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$font = dirname(__FILE__) . '/../../views/fonts/monofont.ttf';
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$textColor = $this->hexToRGB($textColor);
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$fontSize = $imgHeight * 0.75;
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$im = imagecreatetruecolor($imgWidth, $imgHeight);
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$textColor = imagecolorallocate($im, $textColor['r'], $textColor['g'], $textColor['b']);
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$backgroundColor = $this->hexToRGB($backgroundColor);
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$backgroundColor = imagecolorallocate($im, $backgroundColor['r'], $backgroundColor['g'], $backgroundColor['b']);
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if ($noiceLines > 0) {
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$noiceColor = $this->hexToRGB($noiceColor);
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$noiceColor = imagecolorallocate($im, $noiceColor['r'], $noiceColor['g'], $noiceColor['b']);
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for ($i = 0; $i < $noiceLines; $i++) {
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imageline($im, mt_rand(0, $imgWidth), mt_rand(0, $imgHeight),
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mt_rand(0, $imgWidth), mt_rand(0, $imgHeight), $noiceColor);
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}
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}
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if ($noiceDots > 0) {
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for ($i = 0; $i < $noiceDots; $i++) {
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imagefilledellipse($im, mt_rand(0, $imgWidth),
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mt_rand(0, $imgHeight), 3, 3, $textColor);
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}
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}
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imagefill($im, 0, 0, $backgroundColor);
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list($x, $y) = $this->ImageTTFCenter($im, $text, $font, $fontSize);
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imagettftext($im, $fontSize, 0, $x, $y, $textColor, $font, $text);
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imagejpeg($im, NULL, 90);
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header('Content-Type: image/jpeg');
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imagedestroy($im);
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ob_end_flush();
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exit();
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}
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protected function hexToRGB($colour)
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{
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if ($colour[0] == '#') {
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$colour = Tools::substr($colour, 1);
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}
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if (Tools::strlen($colour) == 6) {
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list($r, $g, $b) = array($colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5]);
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} elseif (Tools::strlen($colour) == 3) {
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list($r, $g, $b) = array($colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2]);
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} else {
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return false;
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}
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$r = hexdec($r);
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$g = hexdec($g);
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$b = hexdec($b);
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return array('r' => $r, 'g' => $g, 'b' => $b);
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}
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protected function ImageTTFCenter($image, $text, $font, $size, $angle = 8)
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{
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$xi = imagesx($image);
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$yi = imagesy($image);
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$box = imagettfbbox($size, $angle, $font, $text);
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$xr = abs(max($box[2], $box[4])) + 5;
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$yr = abs(max($box[5], $box[7]));
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$x = (int)(($xi - $xr) / 2);
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$y = (int)(($yi + $yr) / 2);
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return array($x, $y);
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}
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} |