thies/loginpagefoo
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Thies Mueller 2021-01-08 13:04:19 +01:00
parent 5d356fbd96
commit 2af1da0304
4 changed files with 150 additions and 0 deletions
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46
login.php Normal file
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<?php
session_start();
$pdo = new PDO('mysql:host=localhost;dbname=usertable', 'root', '');
if(isset($_GET['login'])) {
$email = $_POST['email'];
$passwort = $_POST['passwort'];
$statement = $pdo->prepare("SELECT * FROM users WHERE email = :email");
$result = $statement->execute(array('email' => $email));
$user = $statement->fetch();
//Überprüfung des Passworts
if ($user !== false && password_verify($passwort, $user['passwort'])) {
$_SESSION['userid'] = $user['id'];
die('successfull. go to: <a href="secure.php">secure page</a>');
} else {
$errorMessage = "somethings wrong (maybe wrong password or wrong email)<br>";
}
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Login</title>
</head>
<body>
<?php
if(isset($errorMessage)) {
echo $errorMessage;
}
?>
<form action="?login=1" method="post">
E-Mail:<br>
<input type="email" size="40" maxlength="250" name="email"><br><br>
Dein Passwort:<br>
<input type="password" size="40" name="passwort"><br>
<input type="submit" value="GO">
</form>
</body>
</html>

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register.php Normal file
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<?php
session_start();
$pdo = new PDO('mysql:host=localhost;dbname=usertable', 'root', '');
?>
<!DOCTYPE html>
<html>
<head>
<title>Register</title>
</head>
<body>
<?php
$showFormular = true;
if(isset($_GET['register'])) {
$error = false;
$email = $_POST['email'];
$passwort = $_POST['passwort'];
$passwort_confirm = $_POST['passwort_confirm'];
if(!filter_var($email, FILTER_VALIDATE_EMAIL)) {
echo 'Please use valid email<br>';
$error = true;
}
if(strlen($passwort) == 0) {
echo 'Please enter password<br>';
$error = true;
}
if($passwort != $passwort_confirm) {
echo 'passwords doesnt match<br>';
$error = true;
}
if(!$error) {
$statement = $pdo->prepare("SELECT * FROM users WHERE email = :email");
$result = $statement->execute(array('email' => $email));
$user = $statement->fetch();
if($user !== false) {
echo 'already a user here<br>';
$error = true;
}
}
if(!$error) {
$passwort_hash = password_hash($passwort, PASSWORD_DEFAULT);
$statement = $pdo->prepare("INSERT INTO users (email, passwort) VALUES (:email, :passwort)");
$result = $statement->execute(array('email' => $email, 'passwort' => $passwort_hash));
if($result) {
echo 'successfull registered. <a href="login.php">Login</a>';
$showFormular = false;
} else {
echo 'Error. Please try again!<br>';
}
}
}
if($showFormular) {
?>
<form action="?register=1" method="post">
E-Mail:<br>
<input type="email" size="40" maxlength="250" name="email"><br><br>
Password:<br>
<input type="password" size="40" name="passwort"><br>
Password (aganin):<br>
<input type="password" size="40" name="passwort_confirm"><br><br>
<input type="submit" value="GO">
</form>
<?php
}
?>
</body>
</html>

12
secure.php Normal file
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<?php
session_start();
if(!isset($_SESSION['userid'])) {
die('Please <a href="login.php">login</a>');
}
$userid = $_SESSION['userid'];
echo "Hi ".$userid;
echo "<br/>"
echo "This is secure now!"
?>

10
usertable.sql Normal file
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CREATE TABLE `users` (
`id` INT NOT NULL AUTO_INCREMENT ,
`email` VARCHAR(255) NOT NULL ,
`passwort` VARCHAR(255) NOT NULL ,
`vorname` VARCHAR(255) NOT NULL DEFAULT '' ,
`nachname` VARCHAR(255) NOT NULL DEFAULT '' ,
`created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
`updated_at` TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ,
PRIMARY KEY (`id`), UNIQUE (`email`)
) ENGINE = InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;