回答編集履歴
2
修正
answer
CHANGED
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@@ -33,6 +33,7 @@
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33
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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+
-- password = 'password'
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INSERT INTO `Users` (`id`, `email`, `password`)
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VALUES
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(1,'user@example.com','$2y$10$OqyHPnhhs7nFZGrB/P7wDuN1sZ7olqyc8r3bUTXIKRqg00eJRu/W2');
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@@ -51,7 +52,7 @@
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define('DSN', 'mysql:host=localhost;dbname=sample;charset=utf8');
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define('USERNAME', 'root');
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-
define('PASSWORD', '
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define('PASSWORD', 'password');
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/**
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* htmlspecialchars
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1
追記
answer
CHANGED
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@@ -17,4 +17,232 @@
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error_reporting(E_ALL);
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require('dbconnect.php');
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```
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---
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+
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#やっつけサンプル
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##SQL
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```sql
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CREATE TABLE `Users` (
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`id` int(11) unsigned NOT NULL AUTO_INCREMENT,
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`email` varchar(64) DEFAULT NULL,
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`password` varchar(256) DEFAULT NULL,
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
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INSERT INTO `Users` (`id`, `email`, `password`)
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VALUES
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(1,'user@example.com','$2y$10$OqyHPnhhs7nFZGrB/P7wDuN1sZ7olqyc8r3bUTXIKRqg00eJRu/W2');
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```
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##index.php
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```php
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<?php
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/**
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* index.php
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*/
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ini_set('display_errors', true);
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error_reporting(E_ALL);
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session_start();
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define('DSN', 'mysql:host=localhost;dbname=sample;charset=utf8');
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define('USERNAME', 'root');
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define('PASSWORD', '3m3tssrr');
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/**
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* htmlspecialchars
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*/
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function h($string)
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{
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return htmlspecialchars($string, ENT_QUOTES, 'utf-8');
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}
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/**
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* SELECT
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*/
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function select($sql, $params = [])
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{
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
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];
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$objPdo = new PDO(DSN, USERNAME, PASSWORD, $options);
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$stmt = $objPdo->prepare($sql);
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$stmt->execute($params);
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return $stmt->fetchAll();
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}
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/**
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* ログイン
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*/
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function login()
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{
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if (filter_input(INPUT_SERVER, 'REQUEST_METHOD') !== 'POST') {
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return;
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}
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$email = filter_input(INPUT_POST, 'email');
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$password = filter_input(INPUT_POST, 'password');
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if (empty($email) || empty($password)) {
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throw new Exception('メールアドレスおよびパスワードは入力必須です。');
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}
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$sql = 'SELECT * FROM `Users` WHERE `email` = :email ';
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$params = [];
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$params['email'] = $email;
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$rows = select($sql, $params);
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$user = reset($rows);
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if (count($rows) === 0 || !password_verify($password, $user['password'])) {
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throw new Exception('メールアドレスおよびパスワードが間違っています。');
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}
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session_regenerate_id(true);
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$_SESSION['login_user'] = $user;
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return true;
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}
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try {
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if (login()) {
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header('Location: top.php');
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}
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} catch (Exception $ex) {
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$err = $ex->getMessage();
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}
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Signin Template for Bootstrap</title>
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<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
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<style type="text/css">
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body {
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padding-top: 40px;
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padding-bottom: 40px;
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background-color: #eee;
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}
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.form-signin {
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max-width: 330px;
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padding: 15px;
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margin: 0 auto;
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}
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.form-signin .form-signin-heading,
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.form-signin .checkbox {
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margin-bottom: 10px;
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}
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.form-signin .checkbox {
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font-weight: normal;
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}
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.form-signin .form-control {
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position: relative;
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height: auto;
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-webkit-box-sizing: border-box;
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-moz-box-sizing: border-box;
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box-sizing: border-box;
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padding: 10px;
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font-size: 16px;
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}
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.form-signin .form-control:focus {
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z-index: 2;
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}
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.form-signin input[type="email"] {
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margin-bottom: -1px;
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border-bottom-right-radius: 0;
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border-bottom-left-radius: 0;
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}
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.form-signin input[type="password"] {
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margin-bottom: 10px;
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border-top-left-radius: 0;
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border-top-right-radius: 0;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<?php if (isset($err)) : ?>
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<div class="alert alert-danger">
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<p>
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<?= h($err); ?>
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</p>
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</div>
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<?php endif; ?>
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<form class="form-signin" method="post">
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<h2 class="form-signin-heading">Please sign in</h2>
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<label for="inputEmail" class="sr-only">
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Email address
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</label>
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<input type="email" name="email" id="inputEmail" class="form-control" placeholder="Email address" autofocus>
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<label for="inputPassword" class="sr-only">
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Password
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</label>
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<input type="password" name="password" id="inputPassword" class="form-control" placeholder="Password">
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<button class="btn btn-lg btn-primary btn-block" type="submit">
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Sign in
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</button>
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</form>
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+
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</div> <!-- /container -->
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</body>
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</html>
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```
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##top.php
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```php
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<?php
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/**
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* top.php
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*/
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ini_set('display_errors', true);
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error_reporting(E_ALL);
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+
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session_start();
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+
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/**
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* htmlspecialchars
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219
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+
*/
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220
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function h($string)
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{
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return htmlspecialchars($string, ENT_QUOTES, 'utf-8');
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}
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+
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225
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+
/**
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226
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* check_login
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227
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+
*/
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228
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function check_login()
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229
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{
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230
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$res = (isset($_SESSION['login_user']) && $_SESSION['login_user'] != NULL);
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231
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if (!$res) {
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232
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header('Location: index.php');
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233
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}
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234
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}
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235
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+
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check_login();
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?>
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238
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<!DOCTYPE HTML>
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239
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<html lang="ja">
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240
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<head>
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241
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<meta charset="UTF-8">
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242
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<title></title>
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243
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</head>
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244
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<body>
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245
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<?= h($_SESSION['login_user']['email']); ?>
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246
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</body>
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247
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</html>
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20
248
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```
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