strtotime('-1 day') && $generatedHash == getIfExists($_GET, 'clearCacheHash')) { $clearCache = true; } if (isset($_GET['sw'])) { if (!$clearCache && $cache) { $cachedScript = getCachedScript(SW_CACHEKEY); if ($cachedScript) { output($cachedScript); } } $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_URL => SW_URL, CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => CURL_TIMEOUT, CURLOPT_USERAGENT => 'PRIntegrationScript', CURLOPT_REFERER => "primoaffiliateoffers.com", )); $response = curl_exec($curl); if ($cache && curl_getinfo($curl, CURLINFO_HTTP_CODE) == 200) { setCachedScript(SW_CACHEKEY, $response); output($response); } else { http_response_code(500); echo('Server Issue'); die(); } } if (!$clearCache && $cache) { $cachedScript = getCachedScript(CACHEKEY); if ($cachedScript) { output($cachedScript); } } $currentTimestamp = time(); $adblockSafeHash = hash('sha256', SECRET_KEY . $currentTimestamp); $urlQueryParams = "&t=" . $currentTimestamp . "&i=" . $adblockSafeHash; $userAgent = ''; if (isset($_SERVER['HTTP_USER_AGENT']) && !empty($_SERVER['HTTP_USER_AGENT'])) { $userAgent = $_SERVER['HTTP_USER_AGENT']; } $curl = curl_init(); curl_setopt_array($curl, array( CURLOPT_URL => INTEGRATION_BASE_URL . $urlQueryParams, CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => CURL_TIMEOUT, CURLOPT_USERAGENT => $userAgent, CURLOPT_REFERER => !empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : "primoaffiliateoffers.com", )); $response = curl_exec($curl); $setCacheSuccess = true; if ($cache && curl_getinfo($curl, CURLINFO_HTTP_CODE) == 200 && isValidDomain($response)) { $setCacheSuccess = setCachedScript(CACHEKEY, $response); } output($response, $setCacheSuccess); function getCacheExtension() { $host = 'localhost'; $port = 11211; if (class_exists('Memcached')) { $memcached = new Memcached(); $memcached->addServer($host, $port); $serverIndex = $host . ':' . $port; $statuses = $memcached->getStats(); if (isset($statuses[$serverIndex]['pid']) && $statuses[$serverIndex]['pid'] > 0) { return $memcached; } } if (class_exists('Memcache')) { if (!class_exists('ExtendedMemcache')) { class ExtendedMemcache extends Memcache { public function set ($key, $var, $expire) { return parent::set($key, $var, 0, $expire); } } } $memcache = new ExtendedMemcache(); if (@$memcache->connect($host, $port)) { return $memcache; } } return new WriteFile(); } function setCachedScript($cacheKey, $content) { $cache = getCacheExtension(); return $cache->set($cacheKey, $content, PR_PUB_INTEGRATION_CACHE_EXPIRATION_TIME_IN_SECONDS); } function getCachedScript($cacheKey) { $cache = getCacheExtension(); return $cache->get($cacheKey); } function output($script, $setCacheSuccess = true) { header('Content-Type: application/javascript'); if (!$setCacheSuccess) { echo "//setcachefail\n"; } echo $script; die(); } function isValidDomain($response) { if (!preg_match("/#domainIdString-(\d+)-domainIdString#/", $response, $matches)) { return false; } if (!isset($matches[1]) || $matches[1] != DOMAIN_ID) { return false; } return true; } class WriteFile { function set($filename, $content, $expire) { try { $file = @fopen("./$filename", 'w'); if (!$file) { return false; } fwrite($file, $content); return fclose($file); } catch (Exception $e) { return false; } } function get($filename) { try { if (!file_exists("./$filename")) { return false; } $content = file_get_contents("./$filename"); if (!$content) { return false; } if ($this->isFileExpired($filename)) { return false; } return $content; } catch (Exception $e) { return false; } } function isFileExpired($filename) { // Increasing chance to expire the cache pre-emptively the final minute of cache time. return (time() + rand(0, 60)) - filemtime("./$filename") > PR_PUB_INTEGRATION_CACHE_EXPIRATION_TIME_IN_SECONDS; } } function getIfExists($input, $key) { return isset($input[$key]) ? $input[$key] : null; }