<?php
/* Pi-hole: A black hole for Internet advertisements
* (c) 2017 Pi-hole, LLC (https://pi-hole.net)
* Network-wide ad blocking via your own hardware.
*
* This file is copyright under the latest version of the EUPL.
* Please see LICENSE file for your rights under this license. */
// Sanitize SERVER_NAME output
$serverName = htmlspecialchars($_SERVER["SERVER_NAME"]);
// Remove external ipv6 brackets if any
$serverName = preg_replace('/^\[(.*)\]$/', '${1}', $serverName);
// Set landing page location, found within /var/www/html/
$landPage = "../landing.php";
// Define array for hostnames to be accepted as self address for splash page
$authorizedHosts = [ "localhost" ];
if (!empty($_SERVER["FQDN"])) {
// If setenv.add-environment = ("fqdn" => "true") is configured in lighttpd,
// append $serverName to $authorizedHosts
array_push($authorizedHosts, $serverName);
} else if (!empty($_SERVER["VIRTUAL_HOST"])) {
// Append virtual hostname to $authorizedHosts
array_push($authorizedHosts, $_SERVER["VIRTUAL_HOST"]);
}
// Determine block page type
if ($serverName === "pi.hole"
|| (!empty($_SERVER["VIRTUAL_HOST"]) && $serverName === $_SERVER["VIRTUAL_HOST"])) {
// Redirect to Web Interface
exit(header("Location: /admin"));
} elseif (filter_var($serverName, FILTER_VALIDATE_IP) || in_array($serverName, $authorizedHosts)) {
// When directly browsing via IP or authorized hostname
// Render splash/landing page based off presence of $landPage file
// Unset variables so as to not be included in $landPage or $splashPage
unset($svPasswd, $svEmail, $authorizedHosts, $validExtTypes, $currentUrlExt);
// If $landPage file is present
if (is_file(getcwd()."/$landPage")) {
unset($serverName, $viewPort); // unset extra variables not to be included in $landpage
include $landPage;
exit();
}
// If $landPage file was not present, Set Splash Page output
$splashPage = <<<EOT
<!doctype html>
<html lang='en'>
<head>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<title>● $serverName</title>
<link rel='shortcut icon' href='/admin/img/favicons/favicon.ico' type='image/x-icon'>
<style>
html, body { height: 100% }
body { font: 13pt "Source Sans Pro", "Helvetica Neue", Helvetica, Arial, sans-serif; }
body { margin: 0; }
p { margin: 0; }
a { color: #3c8dbc; text-decoration: none; }
a:hover { color: #72afda; text-decoration: underline; }
#splashpage { background: #222; color: rgba(255, 255, 255, 0.7); text-align: center; display: flex; align-items: center; justify-content: center; }
#splashpage img { margin: 5px; width: 256px; }
#splashpage b { color: inherit; }
</style>
</head>
<body id='splashpage'>
<div>
<img src='/admin/img/logo.svg' alt='Pi-hole logo' width='256' height='377'>
<br>
<p>Pi-<strong>hole</strong>: Your black hole for Internet advertisements</p>
<a href='/admin'>Did you mean to go to the admin panel?</a>
</div>
</body>
</html>
EOT;
exit($splashPage);
}
exit(header("HTTP/1.1 404 Not Found"));
?>