From 059e0d95d0c28bc5060e87e146eaf7411f51bf90 Mon Sep 17 00:00:00 2001
From: George Halkiadakis <gchalkiadakis@sklavenitis.co.gr>
Date: Thu, 27 Apr 2023 03:47:30 +0300
Subject: skeleton commit; based on an anom project

---
 core/classes/authentication/Core/PasswordTrait.php | 38 ++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 core/classes/authentication/Core/PasswordTrait.php

(limited to 'core/classes/authentication/Core/PasswordTrait.php')

diff --git a/core/classes/authentication/Core/PasswordTrait.php b/core/classes/authentication/Core/PasswordTrait.php
new file mode 100644
index 0000000..40a7381
--- /dev/null
+++ b/core/classes/authentication/Core/PasswordTrait.php
@@ -0,0 +1,38 @@
+<?php
+/** Trait PasswordTrait
+ * 
+ * @package DevCoder\Authentication\Core
+ * 
+ */
+# namespace DevCoder\Authentication\Core;
+# 
+# use DevCoder\Authentication\UserInterface;
+
+trait PasswordTrait
+{
+    
+    private $cost = 10;     // Cost must be in the range of 4-31
+            // a cost value in the range of 8-11
+            // is a good balance between performance and security
+
+
+    public function cryptPassword(string $plainPassword): string
+    {
+        return password_hash($plainPassword, PASSWORD_BCRYPT, ['cost' => $this->cost]);
+    }
+
+
+    public function isPasswordValid(UserInterface $user, string $plainPassword): bool
+    {
+        return password_verify($plainPassword, $user->getPassword());
+    }
+
+
+    public function setCost(int $cost): void
+    {
+        if ($cost < 4 || $cost > 31) {
+            throw new \InvalidArgumentException('Cost must be in the range of 4-31.');
+        }
+        $this->cost = $cost;
+    }
+}
-- 
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