[ticket/12352] Add legacy passwords driver for sha1 smf type passwords

PHPBB3-12352

phpBB/phpbb/passwords/driver/base.php

@@ -43,4 +43,12 @@ abstract class base implements driver_interface
 	{
 		return true;
 	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function is_legacy()
+	{
+		return false;
+	}
 }

phpBB/phpbb/passwords/driver/driver_interface.php

@@ -22,6 +22,13 @@ interface driver_interface
 	*/
 	public function is_supported();
 
+	/**
+	* Check if hash type is a legacy hash type
+	*
+	* @return bool		True if it's a legacy hash type, false if not
+	*/
+	public function is_legacy();
+
 	/**
 	* Returns the hash prefix
 	*

phpBB/phpbb/passwords/driver/sha1_smf.php

@@ -0,0 +1,58 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2014 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+namespace phpbb\passwords\driver;
+
+/**
+* @package passwords
+*/
+class sha1_smf extends base
+{
+	const PREFIX = '$smf$';
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_prefix()
+	{
+		return self::PREFIX;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function is_legacy()
+	{
+		return true;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function hash($password, $user_row = '')
+	{
+		return (isset($user_row['login_name'])) ? sha1(strtolower($user_row['login_name']) . $password) : false;
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function check($password, $hash, $user_row = array())
+	{
+		return $hash === $this->hash($password, $user_row);
+	}
+
+	/**
+	* @inheritdoc
+	*/
+	public function get_settings_only($hash, $full = false)
+	{
+		return false;
+	}
+}