From 5eba858941b7e8d527b69c8a3c01063b7939d519 Mon Sep 17 00:00:00 2001
From: kawax <kawaxbiz@gmail.com>
Date: Mon, 14 Oct 2024 18:03:46 +0900
Subject: [PATCH] Create Identity.php

---
 src/Support/Identity.php | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/Support/Identity.php

diff --git a/src/Support/Identity.php b/src/Support/Identity.php
new file mode 100644
index 00000000..d2b3ab2a
--- /dev/null
+++ b/src/Support/Identity.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Revolution\Bluesky\Support;
+
+class Identity
+{
+    protected const HANDLE_REGEX = '/^([a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?$/';
+
+    protected const DID_REGEX = '/^did:[a-z]+:[a-zA-Z0-9._:%-]*[a-zA-Z0-9._-]$/';
+
+    public static function isHandle(string $handle): bool
+    {
+        return preg_match(self::HANDLE_REGEX, $handle) === 1;
+    }
+
+    public static function isDID(string $did): bool
+    {
+        return preg_match(self::DID_REGEX, $did) === 1;
+    }
+}