endpoint = 'https://www.landingiexport.com'; $this->exportHash = $exportHash; $this->proxyConfig = $proxyConfig; } public function getLanding($hash) { $data = $this->prepareCurl($hash); return $this->injectLightboxHandler( $this->modifyButtonSubmissionEndpoints($this->modifyLandingContent($data), $data), $data ); } private function buildUrlQuery() { return http_build_query(['export_hash' => $this->exportHash]); } private function buildConversionUrlQuery($hash) { return http_build_query( [ 'conversion_hash' => $hash, 'export_hash' => $this->exportHash ], '', '&' ); } private function chooseWhichUrl($hash) { if ($hash) { return sprintf( '%s/api/render?%s', $this->endpoint, $this->buildConversionUrlQuery($hash) ); } return sprintf( '%s/api/render?%s', $this->endpoint, $this->buildUrlQuery() ); } /** * @param $hash * @return bool|mixed */ private function prepareCurl($hash) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $this->chooseWhichUrl($hash)); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1); $curlVersion = curl_version()['version']; $phpVersion = phpversion(); curl_setopt($ch, CURLOPT_USERAGENT, "Landingi Export-PHP Curl/$curlVersion PHP/$phpVersion"); if (!empty($this->proxyConfig)) { $proxyAddress = (string) $this->proxyConfig['address']; $proxyPort = (string) $this->proxyConfig['port']; $proxyLogin = (string) $this->proxyConfig['login']; $proxyPass = (string) $this->proxyConfig['password']; if (!empty($proxyAddress) && !empty($proxyPort)) { curl_setopt($ch, CURLOPT_PROXY, "$proxyAddress:$proxyPort"); if (!empty($proxyLogin) && !empty($proxyPass)) { curl_setopt($ch, CURLOPT_PROXYUSERPWD, "$proxyLogin:$proxyPass"); } } } if (isset($_COOKIE['tid'])) { $tidCookie = $_COOKIE['tid']; curl_setopt($ch, CURLOPT_COOKIE, "stg-tracker=tid=$tidCookie"); } curl_setopt($ch, CURLOPT_TIMEOUT, 30); $this->setTrackingHeaders($ch); $data = curl_exec($ch); $httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE); $curlErrorCode = curl_errno($ch); $curlErrorMsg = curl_error($ch); curl_close($ch); if ($curlErrorCode || $curlErrorMsg) { exit(sprintf('check curl settings: %s %s', $curlErrorCode, $curlErrorMsg)); } if (in_array($httpcode, [301, 302], true) && is_string($data) && $data = json_decode($data)) { $getParams = $this->unsetExportParam($data->redirect); header('Location: ' . $getParams); } if ((404 === $httpcode && is_string($data)) || ($httpcode >= 200 && $httpcode < 300)) { $data = json_decode($data); setcookie('tid', $data->tid, time() + self::MONTH); return $data; } return $data; } private function unsetExportParam($queryStr) { $parser = parse_url($queryStr); $newQuery = []; if (isset($parser['query'])) { parse_str($parser['query'], $newQuery); } $parser['query'] = array_merge($newQuery, $_REQUEST); foreach (['tid', 'export_hash'] as $param) { unset($parser['query'][$param]); } $parser['query'] = http_build_query($parser['query']); return $this->buildRedirectUrl($parser); } private function buildRedirectUrl($parser) { $return = ''; if (isset($parser['scheme'])) { $return .= $parser['scheme'] . '://'; } if (isset($parser['host'])) { $return .= $parser['host']; } if (isset($parser['path'])) { $return .= $parser['path']; } if (!empty($parser['query'])) { $return .= '?' . $parser['query']; } return $return; } private function setTrackingHeaders($curlHandle) { $host = empty($_SERVER['HTTP_HOST']) ? '' : $_SERVER['HTTP_HOST']; $path = empty($_SERVER['REQUEST_URI']) ? '/' : $_SERVER['REQUEST_URI']; if (false === empty($_SERVER['HTTP_X_FORWARDED_HOST'])) { $host = $_SERVER['HTTP_X_FORWARDED_HOST']; } if (!empty($host) && !empty($path)) { curl_setopt($curlHandle, CURLOPT_HTTPHEADER, [ 'X-export-source: embed', "X-export-host: $host", "X-export-path: $path", ]); } } private function getActualLink() { return (isset($_SERVER['HTTPS']) ? 'https' : 'http') . "://" . $_SERVER['HTTP_HOST'] . htmlspecialchars($_SERVER['REQUEST_URI'], ENT_QUOTES | ENT_HTML5); } private function injectLightboxHandler($content, $data) { $javaScript = << if (typeof Lightbox !== 'undefined') { Lightbox.init({ exportUrl: '{$this->endpoint}', hash: '{$this->exportHash}', tid: '{$data->tid}', redirectUrl: '{$this->getActualLink()}' }); Lightbox.register(); } HTML; return preg_replace('/<\/head>/', sprintf('%s', $javaScript), $content); } private function modifyLandingContent($data) { return preg_replace( '/(/', sprintf( '$1="%s">', $this->getActualLink() ), preg_replace( '/ action="\/([\s\S]*?)"/', sprintf( ' action="%s/${1}?export_hash=%s&tid=%s"', $this->endpoint, $this->exportHash, $data->tid ), $data->content ) ); } private function modifyButtonSubmissionEndpoints($content, $data) { return preg_replace( '/ href="(?:\/[^\/]+)?(\/button\/[a-zA-z0-9]{32})"/', sprintf( ' href="%s${1}?export_hash=%s&tid=%s"', $this->endpoint, $this->exportHash, $data->tid ), $content ); } } const BASE = '33671709ce2c804d6100'; $proxyConfig = []; $landingHash = null; $landing = new LandingExportPhp(BASE, $proxyConfig); if (isset($_REQUEST['hash'])) { $landingHash = $_REQUEST['hash']; } $landing = $landing->getLanding($landingHash); echo $landing;