83 lines
No EOL
2.4 KiB
PHP
83 lines
No EOL
2.4 KiB
PHP
<?php
|
|
/*
|
|
*
|
|
* This file contains functions to be used to
|
|
* extract information based on http request information.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Inspired by https://github.com/owncloud/core/blob/master/lib/private/appframework/http/request.php#L523
|
|
*/
|
|
function getServerProtocol() {
|
|
if (isset($_SERVER['HTTP_X_FORWARDED_PROTO'])) {
|
|
if (strpos($_SERVER['HTTP_X_FORWARDED_PROTO'], ',') !== false) {
|
|
$parts = explode(',', $_SERVER['HTTP_X_FORWARDED_PROTO']);
|
|
$proto = strtolower(trim($parts[0]));
|
|
} else {
|
|
$proto = strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']);
|
|
}
|
|
// Verify that the protocol is always HTTP or HTTPS
|
|
// default to http if an invalid value is provided
|
|
return $proto === 'https' ? 'https' : 'http';
|
|
}
|
|
if (isset($_SERVER['HTTPS'])
|
|
&& $_SERVER['HTTPS'] !== null
|
|
&& $_SERVER['HTTPS'] !== 'off'
|
|
&& $_SERVER['HTTPS'] !== '') {
|
|
return 'https';
|
|
}
|
|
return 'http';
|
|
}
|
|
|
|
function getRequestHostname() {
|
|
if (isset($_SERVER['HTTP_X_FORWARDED_HOST'])) {
|
|
return strtolower($_SERVER['HTTP_X_FORWARDED_HOST']);
|
|
}
|
|
return strtolower($_SERVER['HTTP_HOST']);
|
|
}
|
|
|
|
function getRequestUriWithoutFilename() {
|
|
return strtolower(substr($_SERVER['REQUEST_URI'], 0, strrpos($_SERVER['REQUEST_URI'], '/') + 1));
|
|
}
|
|
|
|
function sendHttpReturnCodeAndJson($code, $data) {
|
|
if (!is_array($data)) {
|
|
$data = ['msg' => $data];
|
|
}
|
|
header('Content-Type: application/json');
|
|
sendHttpReturnCodeAndMessage($code, json_encode($data));
|
|
}
|
|
|
|
function sendHttpReturnCodeAndMessage($code, $text = '') {
|
|
http_response_code($code);
|
|
exit($text);
|
|
}
|
|
|
|
function getOptionalPostParameter($parameterName, $default = NULL) {
|
|
$parameter = $_POST[$parameterName];
|
|
if (!isset($parameter) || is_null($parameter) || empty($parameter)) {
|
|
$parameter = $default;
|
|
}
|
|
return $parameter;
|
|
}
|
|
|
|
function getMandatoryPostParameter($parameterName, $message = '', $json = false) {
|
|
$parameter = $_POST[$parameterName];
|
|
if (!isset($parameter) || is_null($parameter) || empty($parameter)) {
|
|
if (empty($message)) {
|
|
if ($json) {
|
|
$message = ['msg' => 'Missing parameter.', 'parameters' => ['missing_parameter' => $parameterName]];
|
|
} else {
|
|
$message = 'Missing mandatory parameter "'.$parameterName.'".';
|
|
}
|
|
}
|
|
if (!$json) {
|
|
sendHttpReturnCodeAndMessage(400, $message);
|
|
} else {
|
|
sendHttpReturnCodeAndJson(400, $message);
|
|
}
|
|
}
|
|
return $parameter;
|
|
}
|
|
?>
|