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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked SchedulerBooked SchedulereIt is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later versBooked SchedulerduleIt is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
alBooked SchedulercheduleIt. If not, see <http://www.gnu.org/licenses/>.
*/
interface IPassword
{
/**
* @abstract
* @param $salt string
* @return bool
*/
public function Validate($salt);
/**
* @abstract
* @param $userid int
* @return void
*/
public function Migrate($userid);
}
class PasswordMigration
{
/**
* @param $plaintext
* @param $oldpassword
* @param $newpassword
* @return IPassword
*/
public function Create($plaintext, $oldpassword, $newpassword)
{
if (!empty($newpassword))
{
return new Password($plaintext, $newpassword);
}
return new OldPassword($plaintext, $oldpassword, new RetiredPasswordEncryption());
}
}
class Password implements IPassword
{
/**
* @var \PasswordEncryption
*/
public $Encryption;
/**
* @var string
*/
protected $plaintext;
/**
* @var string
*/
protected $encrypted;
/**
* @param $plaintext string
* @param $encrypted string
*/
public function __construct($plaintext, $encrypted)
{
$this->plaintext = $plaintext;
$this->encrypted = $encrypted;
$this->Encryption = new PasswordEncryption();
}
/**
* @return string
*/
public function PlainText()
{
return $this->plaintext;
}
/**
* @return string
*/
public function Encrypted()
{
return $this->encrypted;
}
public function Validate($salt)
{
$encrypted = $this->Encryption->Encrypt($this->plaintext, $salt);
return $this->encrypted == $encrypted;
}
public function Migrate($userid)
{
// noop
}
/**
* @static
* @return string
*/
public static function GenerateRandom()
{
$length = 10;
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@#$%';
$password ='';
$max = strlen($characters);
for ($i = 0; $i < $length; $i++)
{
$password .= $characters[mt_rand(0, $max)];
}
return $password;
}
}
class OldPassword extends Password
{
public $RetiredPasswordEncryption;
public function __construct($plaintext, $encrypted)
{
$this->RetiredPasswordEncryption = new RetiredPasswordEncryption();
parent::__construct($plaintext, $encrypted);
}
public function Validate($salt)
{
return $this->encrypted == $this->RetiredPasswordEncryption->Encrypt($this->plaintext);
}
public function Migrate($userid)
{
$salt = $this->Encryption->Salt();
$encrypted = $this->Encryption->Encrypt($this->plaintext, $salt);
ServiceLocator::GetDatabase()->Execute(new MigratePasswordCommand($userid, $encrypted, $salt));
ServiceLocator::GetDatabase()->Execute(new RemoveLegacyPasswordCommand($userid));
}
}
?>