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Diffstat (limited to '')
| -rw-r--r-- | managing-ui/lib/functions.http.inc.php | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/managing-ui/lib/functions.http.inc.php b/managing-ui/lib/functions.http.inc.php new file mode 100644 index 0000000..44296b5 --- /dev/null +++ b/managing-ui/lib/functions.http.inc.php @@ -0,0 +1,83 @@ +<?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; +} +?>
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