Add files via upload

server/common.php

@@ -0,0 +1,38 @@
+<?php
+/* Encode data to Base64URL
+ * @param string $data
+ * @return boolean|string
+ */
+function base64url_encode($data)
+{
+  // First of all you should encode $data to Base64 string
+  $b64 = base64_encode($data);
+
+  // Make sure you get a valid result, otherwise, return FALSE, as the base64_encode() function do
+  if ($b64 === false) {
+    return false;
+  }
+
+  // Convert Base64 to Base64URL by replacing “+” with “-” and “/” with “_”
+  $url = strtr($b64, '+/', '-_');
+
+  // Remove padding character from the end of line and return the Base64URL result
+  return rtrim($url, '=');
+}
+
+/**
+ * Decode data from Base64URL
+ * @param string $data
+ * @param boolean $strict
+ * @return boolean|string
+ */
+function base64url_decode($data, $strict = false)
+{
+  // Convert Base64URL to Base64 by replacing “-” with “+” and “_” with “/”
+  $b64 = strtr($data, '-_', '+/');
+
+  // Decode Base64 string and return the original data
+  return base64_decode($b64, $strict);
+}
+
+$GLOBALS["place"]="Liceo Scientifico Statale \"L.Cocito\"";