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<?php session_start() ?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>Sign in - cflip.net forum</title>
<?php include_once 'includes/templates/head.php'; ?>
</head>
<body>
<?php include_once './includes/templates/header.php' ?>
<h2>Sign in</h2>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<label for="user_name">Username: </label><br>
<input type="text" name="user_name"><br>
<label for="user_pass">Password: </label><br>
<input type="password" name="user_pass"><br>
<input type="submit" name="submit">
</form>
<?php
include_once 'includes/error.php';
function validate($data): string
{
$data = trim($data);
$data = stripslashes($data);
return htmlspecialchars($data);
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$errors = array();
if (empty($_POST['user_name'])) {
$errors[] = 'Please provide a username.';
} else {
$user_name = validate($_POST['user_name']);
}
if (empty($_POST['user_pass'])) {
$errors[] = 'Please provide a password.';
} else {
$user_pass = $_POST['user_pass'];
}
if (!empty($errors)) {
$errstr = 'Please check the following problems: <ul>';
foreach ($errors as $err) {
$errstr .= '<li>' . $err . '</li>';
}
$errstr .= '</ul>';
trigger_error($errstr);
} else {
$user = new User();
$user->get_by_name($user_name);
if (!$user->has_value()) {
trigger_error('There is no user with that name. Did you mean to <a href="register.php">create a new account?</a>');
} else {
if (!password_verify($user_pass, $user->password)) {
echo 'Password does not match!';
} else {
Session::get()->sign_in($user);
header("Location: index.php");
}
}
}
}
?>
</body>
</html>
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