');
}
public static function isEnable()
{
self::maybeInit();
if (!self::$api_key or !self::$api_secret or !self::$is_enable)
return false;
return true;
}
public static function maybeInit()
{
if (self::$is_init)
return;
self::$api_key = setting_item('recaptcha_api_key');
self::$api_secret = setting_item('recaptcha_api_secret');
self::$is_enable = setting_item('recaptcha_enable');
self::$is_init = true;
}
public static function verify($response)
{
if (!self::isEnable())
return true;
$url = 'https://www.google.com/recaptcha/api/siteverify';
$data = [
'secret' => self::$api_secret,
'response' => $response
];
$query = http_build_query($data);
$options = [
'http' => [
'header' => "Content-Type: application/x-www-form-urlencoded\r\n" . "Content-Length: " . strlen($query) . "\r\n" . "User-Agent:MyAgent/1.0\r\n",
'method' => 'POST',
'content' => $query
]
];
$context = stream_context_create($options);
$verify = static::file_get_contents_curl($url, true, $data);
$captchaVerify = json_decode($verify, true);
if ($captchaVerify['success'] == true) {
return true;
}
return false;
}
public static function file_get_contents_curl($url,$isPost = false,$data = []) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_AUTOREFERER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);
if($isPost){
curl_setopt($ch, CURLOPT_POST, count($data));
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
}
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
}