108 lines
2.7 KiB
PHP
108 lines
2.7 KiB
PHP
<?php
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include_once dirname(__FILE__) . '/' . 'base_user_auth.php';
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class UserIdentity
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{
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/**
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* @var string
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*/
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public $userName, $password;
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/**
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* @var bool
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*/
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public $persistent;
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public function __construct($userName, $password, $persistent)
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{
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$this->userName = $userName;
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$this->password = $password;
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$this->persistent = $persistent;
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}
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}
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class UserIdentityCookieStorage
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{
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const userNameCookie = 'username';
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const passwordCookie = 'password';
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const persistentCookie = 'user_identity_persistence';
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/**
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* @var IdentityCheckStrategy
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*/
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private $identityCheckStrategy;
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public function __construct(IdentityCheckStrategy $identityCheckStrategy)
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{
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$this->identityCheckStrategy = $identityCheckStrategy;
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}
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public function SaveUserIdentity(UserIdentity $identity)
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{
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$expire = $this->CalculateCookieExpirationTime($identity->persistent);
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setcookie(self::userNameCookie, $identity->userName, $expire);
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$this->SetPasswordCookieEncrypted($identity->password, $expire);
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setcookie(self::persistentCookie, strval((int)$identity->persistent), $expire);
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}
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public function ClearUserIdentity()
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{
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$this->ClearCookie(self::userNameCookie);
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$this->ClearCookie(self::passwordCookie);
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$this->ClearCookie(self::persistentCookie);
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}
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/**
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* @param string $newPassword
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*/
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public function UpdatePassword($newPassword)
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{
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$this->SetPasswordCookieEncrypted($newPassword, $this->CalculateCookieExpirationTime($this->IsPersistent()));
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}
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/**
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* @return UserIdentity|null
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*/
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public function LoadUserIdentity()
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{
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if (!isset($_COOKIE[self::userNameCookie]) || !isset($_COOKIE[self::passwordCookie]))
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return null;
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return new UserIdentity($_COOKIE[self::userNameCookie], $_COOKIE[self::passwordCookie], $this->IsPersistent());
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}
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/**
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* @param string $plainPassword
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* @param int $expire
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*/
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private function SetPasswordCookieEncrypted($plainPassword, $expire)
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{
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setcookie(self::passwordCookie, $this->identityCheckStrategy->GetEncryptedPassword($plainPassword), $expire);
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}
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/**
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* @return bool
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*/
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private function IsPersistent()
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{
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return isset($_COOKIE[self::persistentCookie]) && (bool)intval($_COOKIE[self::persistentCookie]);
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}
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/**
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* @param bool $persistent
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* @return int
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*/
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private function CalculateCookieExpirationTime($persistent)
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{
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return $persistent ? time() + 3600 * 24 * 365 : 0;
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}
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/**
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* @param string $cookie
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*/
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private function ClearCookie($cookie)
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{
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setcookie($cookie, '', time() - 3600);
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}
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} |