v1.0 Initial commit of project

vendor/robthree/twofactorauth/lib/Providers/Qr/HandlesDataUri.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RobThree\Auth\Providers\Qr;
+
+use function base64_decode;
+use function preg_match;
+
+trait HandlesDataUri
+{
+    /**
+     * @return array<string, string>|null
+     */
+    private function DecodeDataUri(string $datauri): ?array
+    {
+        if (preg_match('/data:(?P<mimetype>[\w\.\-\+\/]+);(?P<encoding>\w+),(?P<data>.*)/', $datauri, $m) === 1) {
+            return array(
+                'mimetype' => $m['mimetype'],
+                'encoding' => $m['encoding'],
+                'data' => base64_decode($m['data'], true),
+            );
+        }
+
+        return null;
+    }
+}