From 2d2e218002bb22fed3e12e6f864b45d603616c2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=91cze=20Bence?= <bence@pocze.ch>
Date: Sun, 21 Jun 2020 01:31:20 +0200
Subject: [PATCH] MAPG-69 add simple JWT parser

---
 src/Util/JwtParser.php | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/Util/JwtParser.php

diff --git a/src/Util/JwtParser.php b/src/Util/JwtParser.php
new file mode 100644
index 0000000..b6e57a1
--- /dev/null
+++ b/src/Util/JwtParser.php
@@ -0,0 +1,33 @@
+<?php namespace MapGuesser\Util;
+
+class JwtParser
+{
+    private array $token;
+
+    public function __construct(?string $token = null)
+    {
+        if ($token !== null) {
+            $this->setToken($token);
+        }
+    }
+
+    public function setToken(string $token)
+    {
+        $this->token = explode('.', str_replace(['_', '-'], ['/', '+'], $token));
+    }
+
+    public function getHeader(): array
+    {
+        return json_decode(base64_decode($this->token[0]), true);
+    }
+
+    public function getPayload(): array
+    {
+        return json_decode(base64_decode($this->token[1]), true);
+    }
+
+    public function getSignature(): string
+    {
+        return base64_decode($this->token[2]);
+    }
+}