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DIR: /srv/http/adent.cz/adent.cz.pejsek
/srv/http/adent.cz/adent.cz.pejsek/
Current File : /srv/http/adent.cz/adent.cz.pejsek/login.php
<?php
session_start();

// Výchozí nastavení proměnných ve formuláři (má jen 2 pole: user a passwd)
$userDefault = "";
$passwdDefault = "";

// Nastavení proměnných ve formuláři podle zadaných dat
$user = (isset($_POST['user'])) ? $_POST['user'] : $userDefault;
$passwd = (isset($_POST['passwd'])) ? $_POST['passwd'] : $passwdDefault;

// Výchozí nastavení dalších proměnných
// - zobrazované zprávy
if ( isset($_SESSION['message']) ) {
	$message = $_SESSION['message'];
	unset($_SESSION['message']);
} else {
	$message = '';
}
// - uživatelé a hesla (sha1 hash)
$sysUsers = [];
$sysUsers[] = ['adent', sha1('pepa')];
// - příznak pro provedení výchozí akce stránky (tedy přihlášení)
$action = FALSE;

// AKCE :)
// - odlogovat 
//   - když už vleze zalogovaný uživatel na login stránku, 
//   - v tomhle jednoduchém logovátku si nic jiného nezaslouží :)
if (isset($_SESSION['user'])) {
	unset($_SESSION['user']);
}

// - ověřit jméno a heslo
//   - pokud někdo zadá nějaké jméno a heslo
if ($user != $userDefault) {
	// - projdi proti všem uživatelům v "databázi :)"
	foreach ($sysUsers as $sysUser) {
		// - pokud se shoduje jméno a heslo, nastav $action na TRUE
		if (($user == $sysUser[0]) && (sha1($passwd) == $sysUser[1])) {
			$action = TRUE;
		}
		if ($action) break;
	}
	// - pokud se přihlášení povedlo, přihlaš uživatele a pošli na index, jinak nastav chybu
	if ($action) {
		$_SESSION['user'] = $user;
		$_SESSION['message'] = '<p class="adc-info">Přihlásil se uživatel '.htmlspecialchars($_SESSION['user']).'.</p>';;
		header("Location: /index.php"); /* Redirect browser */
		exit; /* Make sure that code below does not get executed when we redirect. */
	} else {
		$message .= '<p class="adc-error">Chybně zadané uživatelské jméno nebo heslo...</p>';
	}
}

?>
<!DOCTYPE html>
<html lang="cs">

<head>
	<meta charset="utf-8">
	<meta name="description" content="SASS Trigger" />
	<meta name="keywords" content="klíčová slova" />
	<meta name="author" content="ADENT.CZ s.r.o." />

	<title>Přihlášení - Pejsek - webový spouštěč SASS</title>

	<meta name="google" content="notranslate" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />

	<link rel="apple-touch-icon" sizes="180x180" href="/img/favicon/apple-touch-icon.png">
	<link rel="icon" type="image/png" sizes="32x32" href="/img/favicon/favicon-32x32.png">
	<link rel="icon" type="image/png" sizes="16x16" href="/img/favicon/favicon-16x16.png">
	<link rel="manifest" href="/img/favicon/site.webmanifest">
	<link rel="mask-icon" href="/img/favicon/safari-pinned-tab.svg" color="#ffa200">
	<link rel="shortcut icon" href="/img/favicon/favicon.ico">
	<meta name="msapplication-TileColor" content="#ffa200">
	<meta name="msapplication-config" content="/img/favicon/browserconfig.xml">
	<meta name="theme-color" content="#ffa200">

	<link rel="stylesheet" href="/css/style.css" type="text/css" />
</head>

<body>

	<header>
		<a href="/">
			<svg id="Layer_1" enable-background="new 0 0 512 512" height="512" viewBox="0 0 512 512" width="512" xmlns="http://www.w3.org/2000/svg">
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				<circle cx="180" cy="212" r="20" />
				<circle cx="332" cy="212" r="20" />
			</svg>
		</a>
		<h1>SASS Pejsek</h1>
	</header>

	<main>
		<h2>Přihlášení</h2>

		<?= $message; ?>

		<form method="POST">
			<fieldset>
				<legend>Nejdříve se přihlašte:</legend>
				<div>
					<label>Přihlašovací jméno:
						<input type="text" name="user" value="<?= $user; ?>">
					</label>
					<label>Heslo:
						<input type="password" name="passwd" value="<?= $passwd; ?>">
					</label>
				</div>
			</fieldset>
			<input type="submit" value="Přihlaš se" class="adc-form-submit3">
		</form>

	</main>

	<footer>
		<div></div>
		<div>
			<p>&copy; <?= date('Y'); ?> <a href="https://www.adent.cz">ADENT CZ s.r.o.</a></p>
			<p>web.works <a href="https://www.adent.cz/">ADENT CZ</a> 2021</p>
		</div>
		<a href="credits.php">
			<svg viewBox="0 0 88 88" width="88" height="88" xmlns="http://www.w3.org/2000/svg">
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	</footer>

</body>

</html>