From 00af48d9d20af1ce51c8ad42fe354fafc9ceb8a3 Mon Sep 17 00:00:00 2001
From: VirtualTam <virtualtam@flibidi.net>
Date: Mon, 3 Dec 2018 00:16:10 +0100
Subject: namespacing: \Shaarli\Http\Base64Url

Signed-off-by: VirtualTam <virtualtam@flibidi.net>
---
 application/http/Base64Url.php | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 application/http/Base64Url.php

(limited to 'application/http')

diff --git a/application/http/Base64Url.php b/application/http/Base64Url.php
new file mode 100644
index 00000000..33fa7c1f
--- /dev/null
+++ b/application/http/Base64Url.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Shaarli\Http;
+
+/**
+ * URL-safe Base64 operations
+ *
+ * @see https://en.wikipedia.org/wiki/Base64#URL_applications
+ */
+class Base64Url
+{
+    /**
+     * Base64Url-encodes data
+     *
+     * @param string $data Data to encode
+     *
+     * @return string Base64Url-encoded data
+     */
+    public static function encode($data)
+    {
+        return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
+    }
+
+    /**
+     * Decodes Base64Url-encoded data
+     *
+     * @param string $data Data to decode
+     *
+     * @return string Decoded data
+     */
+    public static function decode($data)
+    {
+        return base64_decode(str_pad(strtr($data, '-_', '+/'), strlen($data) % 4, '=', STR_PAD_RIGHT));
+    }
+}
-- 
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