From 47cbb529f5723b246125ae083a193e11481b89ef Mon Sep 17 00:00:00 2001
From: George Halkiadakis <gchalkiadakis@sklavenitis.co.gr>
Date: Sun, 12 Mar 2023 07:01:30 +0200
Subject: initializing classroom structure using anom framework

---
 classes/authenticator/UserManager.php | 69 +++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 classes/authenticator/UserManager.php

(limited to 'classes/authenticator/UserManager.php')

diff --git a/classes/authenticator/UserManager.php b/classes/authenticator/UserManager.php
new file mode 100644
index 0000000..36f0d16
--- /dev/null
+++ b/classes/authenticator/UserManager.php
@@ -0,0 +1,69 @@
+<?php
+
+// namespace DevCoder\Authentication\Core;
+// 
+// use DevCoder\Authentication\Token\UserToken;
+// use DevCoder\Authentication\Token\UserTokenInterface;
+// use DevCoder\Authentication\UserInterface;
+
+/**
+ * Class UserManager
+ * @package DevCoder\Authentication\Core
+ */
+class UserManager implements UserManagerInterface
+{
+
+    use PasswordTrait;
+
+    public function __construct()
+    {
+        if (session_status() === PHP_SESSION_NONE) {
+            session_start();
+        }
+    }
+
+    public function getUserToken(): ?UserTokenInterface
+    {
+        $userToken = null;
+        if ($this->hasUserToken()) {
+            $userToken = unserialize($_SESSION[UserTokenInterface::DEFAULT_PREFIX_KEY]);
+        }
+
+        return $userToken;
+    }
+
+    public function hasUserToken(): bool
+    {
+        $key = UserTokenInterface::DEFAULT_PREFIX_KEY;
+        return (array_key_exists($key, $_SESSION) && unserialize($_SESSION[$key]) !== false);
+    }
+
+    public function isGranted(array $roles): bool
+    {
+        if (!is_null($userToken = $this->getUserToken())) {
+            return false;
+        }
+
+        if ($userToken->getUser() instanceof UserInterface) {
+            return (!empty(array_intersect($roles, $userToken->getUser()->getRoles())));
+        }
+
+        return false;
+    }
+
+    public function createUserToken(UserInterface $user): UserTokenInterface
+    {
+        $userToken = new UserToken($user);
+        $_SESSION[UserTokenInterface::DEFAULT_PREFIX_KEY] = $userToken->serialize();
+
+        return $userToken;
+    }
+
+    public function logout(): void
+    {
+        if ($this->hasUserToken()) {
+            unset($_SESSION[UserTokenInterface::DEFAULT_PREFIX_KEY]);
+        }
+    }
+}
+
-- 
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