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junxi/login.php

Created October 11, 2013 13:44
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  1. junxi renamed this gist Feb 26, 2014. 1 changed file with 0 additions and 0 deletions.
    0 gistfile1.php → login.php
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    File renamed without changes.
  2. junxi created this gist Oct 11, 2013.
    197 changes: 197 additions & 0 deletions gistfile1.php
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,197 @@
    <?php


    final class UserLogin {

    public function __construct() {

    }

    public static function getUserInfo() {
    if (isset($_COOKIE["user_id"])&&$_COOKIE["user_id"]&&(trim($_COOKIE["user_id"])!="")) {
    if (isset($_SESSION["USER_INFO"]))
    return $_SESSION["USER_INFO"];
    $dao = new UserDao();
    $user = $dao->find($_COOKIE["user_id"]);
    if ($user) {
    $_SESSION["USER_INFO"] = $user;
    setcookie("docloud_sid", session_id(), time() + 36000);
    setcookie("user_id", $_COOKIE["user_id"], time() + 36000);

    if (array_key_exists("selected_prj_id", $_COOKIE))
    setcookie("selected_prj_id", $_COOKIE["selected_prj_id"], time() + 36000);

    if (array_key_exists("selected_class_id", $_COOKIE))
    setcookie("selected_class_id", $_COOKIE["selected_class_id"], time() + 36000);

    if (array_key_exists("selected_image_id", $_COOKIE))
    setcookie("selected_image_id", $_COOKIE["selected_image_id"], time() + 36000);

    if (array_key_exists("test_image_ids", $_COOKIE))
    setcookie("test_image_ids", $_COOKIE["test_image_ids"], time() + 36000);

    if (array_key_exists("upload_image_ids", $_COOKIE))
    setcookie("upload_image_ids", $_COOKIE["upload_image_ids"], time() + 36000);
    return $user;
    }
    }
    self::clearCookie();
    return null;
    }

    public static function setUserInfo($userInfo) {
    $_SESSION["USER_INFO"] = $userInfo;
    setcookie("docloud_sid", session_id(), time() + 36000);
    setcookie("user_id", $userInfo->getId(), time() + 36000);
    }

    public static function isLogin() {
    if (self::getUserInfo()) {
    return true;
    }
    return false;
    }

    public static function delUserInfo() {
    self::clearCookie();
    session_destroy();
    }

    private static function clearCookie() {
    setcookie("docloud_sid", "", time() - 36000);
    setcookie("user_id", "", time() - 36000);
    setcookie("selected_prj_id", "", time() - 36000);
    setcookie("selected_class_id", "", time() - 36000);
    setcookie("selected_image_id", "", time() - 36000);
    setcookie("test_image_ids", "", time() - 36000);
    setcookie("upload_image_ids", "", time() - 36000);
    }

    }

    /**
    * Validator for Login.
    */
    final class LoginValidator {

    private function __construct() {

    }

    /**
    * Validate the given username and password.
    * @param $username and $password to be validated
    * @return array array of {@link Error} s
    */
    public static function validate($username, $password) {
    $errors = array();
    $username = trim($username);
    if (!$username) {
    $errors[] = new Error('username', '用户名不能为空。');
    } elseif (strlen($username)<3) {
    $errors[] = new Error('username', '用户名长度不能小于3个字符。');
    } elseif (strlen($username)>30) {
    $errors[] = new Error('username', '用户名长度不能超过30个字符。');
    } elseif (!preg_match('/^[A-Za-z]+$/',substr($username, 0, 1))) {
    $errors[] = new Error('username', '用户名必须以字母开头。');
    } elseif (!preg_match('/^[A-Za-z0-9_]+$/', $username)) {
    $errors[] = new Error('username', '用户名只能是字母、数字以及下划线( _ )的组合。');
    } elseif (!trim($password)) {
    $errors[] = new Error('password', '密码不能为空。');
    } else {
    // check whether use exists or not
    $dao = new UserDao();
    $user = $dao->findByName($username);

    if ($user) {
    if (!($user->getPassword() == sha1($user->getSalt() . $password))) {
    $errors[] = new Error('password', '用户名或密码错误。');
    }
    } else {
    $errors[] = new Error('username', '用户名不存在。');
    }
    }
    return $errors;
    }
    }





    /**
    * Validation error.
    */
    final class Error {

    private $source;
    private $message;


    /**
    * Create new error.
    * @param mixed $source source of the error
    * @param string $message error message
    */
    function __construct($source, $message) {
    $this->source = $source;
    $this->message = $message;
    }

    /**
    * Get source of the error.
    * @return mixed source of the error
    */
    public function getSource() {
    return $this->source;
    }

    /**
    * Get error message.
    * @return string error message
    */
    public function getMessage() {
    return $this->message;
    }

    }



    // if logged in, logout 页面的跳转类在http://www.cnblogs.com/setsail/archive/2012/12/18/2823231.html 里这里不再重复书写
    if (UserLogin::isLogin() && $_COOKIE["user_id"]==1) {
    UserLogin::delUserInfo();
    }elseif (UserLogin::isLogin()){
    Utils::redirect('welcome');
    }

    $username = null;
    $password = null;
    $msg = "";

    if (isset($_POST['username']) && isset($_POST['password'])) {
    $username = addslashes(trim(stripslashes($_POST ['username'])));
    $password = addslashes(trim(stripslashes($_POST ['password'])));
    // validate
    $errors = LoginValidator::validate($username, $password);

    if (empty($errors)) {
    // save
    $dao = new UserDao();
    $user = $dao->findByName($username);
    $last_login_ip = Utils::getIpAddress();
    $user->setLastLoginIp($last_login_ip);
    $now = new DateTime();
    $user->setLastLoginTime($now);
    $dao->save($user);
    UserLogin::setUserInfo($user);
    Flash::addFlash('登录成功！');
    Utils::redirect('welcome');
    }

    foreach ($errors as $e) {
    $msg .= $e->getMessage()."<br>";
    }
    }

    ?>