join($path);
}
public static function setHeaderNoCache()
{
if (!headers_sent()) {
header('Expires: Wed, 01 Jan 2014 00:00:00 GMT');
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header('Cache-Control: no-store, no-cache, must-revalidate');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
}
}
public static function isAJAX(){
return strtolower($_SERVER['HTTP_X_REQUESTED_WITH']??null) === 'xmlhttprequest';
}
public static function requireAJAX():void{
if(!static::isAJAX()){
Json::die([
'result'=>false,
'reason'=>'no ajax'
]);
}
}
/**
* @return mixed|mixed[]
*/
public static function parseJsonPost()
{
// http://thisinterestsme.com/receiving-json-post-data-via-php/
// http://thisinterestsme.com/php-json-error-handling/
if (strcasecmp($_SERVER['REQUEST_METHOD'], 'POST') != 0) {
throw new \Exception('Request method must be POST!');
}
//Make sure that the content type of the POST request has been set to application/json
$contentType = isset($_SERVER["CONTENT_TYPE"]) ? trim($_SERVER["CONTENT_TYPE"]) : '';
if (strcasecmp($contentType, 'application/json') != 0) {
throw new \Exception('Content type must be: application/json');
}
//Receive the RAW post data.
$content = trim(file_get_contents("php://input"));
//Attempt to decode the incoming RAW post data from JSON.
$decoded = Json::decode($content);
$jsonError = json_last_error();
//In some cases, this will happen.
if (is_null($decoded) && $jsonError == JSON_ERROR_NONE) {
throw new \Exception('Could not decode JSON!');
}
//If an error exists.
if ($jsonError != JSON_ERROR_NONE) {
$error = 'Could not decode JSON! ';
//Use a switch statement to figure out the exact error.
switch ($jsonError) {
case JSON_ERROR_DEPTH:
$error .= 'Maximum depth exceeded! : '.$content;
break;
case JSON_ERROR_STATE_MISMATCH:
$error .= 'Underflow or the modes mismatch! : '.$content;
break;
case JSON_ERROR_CTRL_CHAR:
$error .= 'Unexpected control character found : '.$content;
break;
case JSON_ERROR_SYNTAX:
$error .= 'Malformed JSON : '.$content;
break;
case JSON_ERROR_UTF8:
$error .= 'Malformed UTF-8 characters found! : '.$content;
break;
default:
$error .= 'Unknown error! : '.$content;
break;
}
throw new \Exception($error);
}
return $decoded;
}
public static function preloadAsset(string $path, string $type){
$upath = \phpUri::parse($path);
$path = $upath->join('');
if(!$upath->scheme && file_exists($upath->path)){
$mtime = filemtime($upath->path);
if($upath->query){
$tail = '&'.$mtime;
}
else{
$tail = '?'.$mtime;
}
}
else{
$tail = '';
}
return "\n";
}
public static function preloadCSS(string $path){
return static::preloadAsset($path, 'style');
}
public static function preloadJS(string $path){
return static::preloadAsset($path, 'script');
}
public static function printJS(string $path, bool $isDefer=false){
//async 옵션 고려?
$upath = \phpUri::parse($path);
$path = $upath->join('');
if(!$upath->scheme && file_exists($upath->path)){
$mtime = filemtime($upath->path);
if($upath->query){
$tail = '&'.$mtime;
}
else{
$tail = '?'.$mtime;
}
}
else{
$tail = '';
}
$typeText = $isDefer?'defer':'';
return "\n";
}
public static function printCSS(string $path){
$upath = \phpUri::parse($path);
$path = $upath->join('');
if(!$upath->scheme && file_exists($upath->path)){
$mtime = filemtime($upath->path);
if($upath->query){
$tail = '&'.$mtime;
}
else{
$tail = '?'.$mtime;
}
}
else{
$tail = '';
}
return "\n";
}
public static function printStaticValues(array $values, bool $pretty=true){
if(!count($values)){
return;
}
$lines = ["\n";
return join("\n", $lines);
}
public static function htmlPurify(?string $text): string{
if(!$text){
return '';
}
$config = \HTMLPurifier_HTML5Config::createDefault();
$config->set('Filter.Custom', array (new \HTMLPurifier_Filter_YouTube()));
$config->set('HTML.SafeIframe', true);
$config->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/)%'); //allow YouTube and Vimeo
$def = $config->getHTMLDefinition();
$def->info_global_attr['data-flip'] = new \HTMLPurifier_AttrDef_Text;
$purifier = new \HTMLPurifier($config);
return $purifier->purify($text);
}
public static function drawMenu(string $path): string{
if(!file_exists($path)){
return '';
}
$json = Json::decode(file_get_contents($path));
$result = [];
foreach($json as $menuItem){
if (count($menuItem) == 2) {
[$url, $title] = $menuItem;
$targetAttr = '';
}
else{
[$url, $title, $target] = $menuItem;
$target = htmlspecialchars($target);
$targetAttr = "target='$target' ";
}
$title = htmlspecialchars($title);
$url = htmlspecialchars($url);
$result[] = "$title";
}
return join("\n", $result);
}
}