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msd2/phpBB3/phpbb/passwords/driver/md5_vb.php

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+<?php
+/**
+*
+* This file is part of the phpBB Forum Software package.
+*
+* @copyright (c) phpBB Limited <https://www.phpbb.com>
+* @license GNU General Public License, version 2 (GPL-2.0)
+*
+* For full copyright and license information, please see
+* the docs/CREDITS.txt file.
+*
+*/
+
+namespace phpbb\passwords\driver;
+
+class md5_vb extends base
+{
+	const PREFIX = '$md5_vb$';
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function get_prefix()
+	{
+		return self::PREFIX;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function is_legacy()
+	{
+		return true;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function hash($password, $user_row = '')
+	{
+		// Do not support hashing
+		return false;
+	}
+
+	/**
+	* {@inheritdoc}
+	*/
+	public function check($password, $hash, $user_row = array())
+	{
+		if (empty($hash) || strlen($hash) != 32 || !isset($user_row['user_passwd_salt']))
+		{
+			return false;
+		}
+		else
+		{
+			// Works for vB 3.8.x, 4.x.x, 5.0.x
+			return $this->helper->string_compare($hash, md5(md5($password) . $user_row['user_passwd_salt']));
+		}
+	}
+}