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-rw-r--r--storage-backend/lib/functions.http.inc.php64
1 files changed, 64 insertions, 0 deletions
diff --git a/storage-backend/lib/functions.http.inc.php b/storage-backend/lib/functions.http.inc.php
new file mode 100644
index 0000000..c508b20
--- /dev/null
+++ b/storage-backend/lib/functions.http.inc.php
@@ -0,0 +1,64 @@
+<?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;
+}
+?> \ No newline at end of file