Version 4.6.0

system/3rd_party/Base64Url/Base64Url.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * @brief		URL Safe Base64 Encoding Polyfill
+ * @author		<a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
+ * @copyright	(c) Invision Power Services, Inc.
+ * @license		https://www.invisioncommunity.com/legal/standards/
+ * @package		Invision Community
+ * @since		11 Feb 2021
+ */
+
+namespace Base64Url;
+
+class Base64Url
+{
+	public static function encode( string $string ): string
+	{
+		return \str_replace( '=', '', \strtr( base64_encode( $string ), '+/', '-_' ) );
+	}
+	
+	public static function decode( string $string ): string
+	{
+		return base64_decode( \strtr( $string, '-_', '+/' ) );
+	}
+}