ip)) {
if(DEBUG_MODE) {
echo '
Access denied, IP on blacklist!!!
';
}
$redirect_link = FALLBACK_REDIRECT_URL;
}
else {
$request_data->country = getDataFromApi(
COUNTRY_API . $request_data->ip
);
$redirect_link = getRedirectLink( $request_data );
}
if(DEBUG_MODE) {
echo "- Redirect url: " . $redirect_link . "
";
}
return $redirect_link;
}
/**
* @return \stdClass
*/
function getRequestData()
{
$request_data = new stdClass();
$request_data->ip = isValidIp( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : FALLBACK_IP;
$request_data->language = array_key_exists( 'HTTP_ACCEPT_LANGUAGE', $_SERVER )
? explode( ',', $_SERVER['HTTP_ACCEPT_LANGUAGE'] )[0] : FALLBACK_LANGUAGE;
if(DEBUG_MODE) {
echo "request data:";
foreach ($request_data as $key => $value) {
echo "- " . $key . ": " . $value . "
";
}
echo "
";
}
return $request_data;
}
/**
* @param $api_url
* @return string
*/
function getDataFromApi($api_url)
{
$message = '';
$response = getApiResponseObject( $api_url );
$message = !isValidResponse( $response->content )
? FALLBACK_COUNTRY : json_decode( $response->content )->countryCode;
if(DEBUG_MODE) {
echo 'API response: ';
}
return $message;
}
/**
* @param $response
* @return bool
*/
function isValidResponse($response)
{
return $response->content
|| $response->code == 200
|| !json_decode( $response->content )->code;
}
/**
* @param $api_url
* @return \stdClass
*/
function getApiResponseObject($api_url)
{
$result = new stdClass();
$options = array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_HEADER => false,
CURLOPT_CONNECTTIMEOUT => TIMEOUT,
CURLOPT_TIMEOUT => TIMEOUT,
CURLOPT_HTTPGET => true,
CURLOPT_HTTPHEADER => array(
"cache-control: no-cache",
"keyid: 51656bd7-5d89-4d62-ac28-aff1b6a50965"
)
);
$ch = curl_init( $api_url );
curl_setopt_array( $ch, $options );
$result->content = curl_exec( $ch );
$result->get_info = curl_getinfo($ch);
$result->code = curl_getinfo( $ch, CURLINFO_HTTP_CODE );
if(DEBUG_MODE) {
echo '
raw getinfo: ';
echo "- result code: " . $response->code . "
";
$get_info = curl_getinfo($ch);
foreach ($get_info as $key => $value) {
echo '- ' . $key . ' : ' . $value . '
';
}
echo '
raw error: ';
$curl_error = curl_error($ch);
echo '- ' . $curl_error . '
';
echo '
';
curl_close( $ch );
}
curl_close( $ch );
return $result;
}
/**
* @param string $path_to_file
* @param bool $assoc
* @return mixed
*/
function loadData($list , $assoc = false)
{
return json_decode($list, $assoc);
}
/**
* @param $country
* @param $language
* @return string
*/
function getRedirectLink($request_data)
{
foreach (loadData(REDIRECT_URLS) as $item) {
if (strcasecmp( $item->countryCode, $request_data->country ) == 0) {
if($item->languages) {
foreach ($item->languages as $lang) {
if (strcasecmp( $lang->language, $request_data->language ) == 0) {
return $lang->url;
}
}
}
if($item->defaultRedirectUrl){
return $item->defaultRedirectUrl;
}
}
}
return FALLBACK_REDIRECT_URL;
}
/**
* Command to redirect to specified url.
*
* @param $url
*/
function redirect($url)
{
ob_start();
header( sprintf( 'Location: %s', $url ), true, 302 );
ob_end_flush();
exit();
}
/**
* Command to validate ip
*
* @param $ip
* @return bool
*/
function isValidIp($ip)
{
return inet_pton( $ip ) !== false
&& !in_array( $ip, [ '0.0.0.0', '::1', '127.0.0.1' ] );
}
?>