* @license https://files.froxlor.org/misc/COPYING.txt GPLv2
*/
const AREA = 'admin';
require __DIR__ . '/lib/init.php';
use Froxlor\Froxlor;
use Froxlor\FroxlorLogger;
use Froxlor\Http\HttpClient;
use Froxlor\Settings;
use Froxlor\UI\Panel\UI;
use Froxlor\UI\Response;
// define update-uri
define('UPDATE_URI', "https://version.froxlor.org/Froxlor/api/" . Froxlor::VERSION);
define('RELEASE_URI', "https://autoupdate.froxlor.org/froxlor-{version}.zip");
define('CHECKSUM_URI', "https://autoupdate.froxlor.org/froxlor-{version}.zip.sha256");
if ($page != 'error') {
// check for archive-stuff
if (!extension_loaded('zip')) {
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 2
]);
}
// 0.11.x requires 7.4 at least
if (version_compare("7.4.0", PHP_VERSION, ">=")) {
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 10
]);
}
// check for webupdate to be enabled
if (Settings::Config('enable_webupdate') != true) {
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 11
]);
}
}
// display initial version check
if ($page == 'overview') {
// log our actions
$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, "checking auto-update");
// check for new version
try {
$latestversion = HttpClient::urlGet(UPDATE_URI, true, 3);
} catch (Exception $e) {
Response::dynamicError("Version-check currently unavailable, please try again later");
}
$latestversion = explode('|', $latestversion);
if (is_array($latestversion) && count($latestversion) >= 1) {
$_version = $latestversion[0];
$_message = isset($latestversion[1]) ? $latestversion[1] : '';
$_link = isset($latestversion[2]) ? $latestversion[2] : htmlspecialchars($filename . '?page=' . urlencode($page) . '&lookfornewversion=yes');
// add the branding so debian guys are not gettings confused
// about their version-number
$version_label = $_version . Froxlor::BRANDING;
$version_link = $_link;
$message_addinfo = $_message;
// not numeric -> error-message
if (!preg_match('/^((\d+\\.)(\d+\\.)(\d+\\.)?(\d+)?(\-(svn|dev|rc)(\d+))?)$/', $_version)) {
// check for customized version to not output
// "There is a newer version of froxlor" besides the error-message
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 3
]);
} elseif (Froxlor::versionCompare2(Froxlor::VERSION, $_version) == -1) {
// there is a newer version - yay
$isnewerversion = 1;
} else {
// nothing new
$isnewerversion = 0;
}
// anzeige über version-status mit ggfls. formular
// zum update schritt #1 -> download
if ($isnewerversion == 1) {
$text = 'There is a newer version available. Update to version ' . $_version . ' now?
(Your current version is: ' . Froxlor::VERSION . ')';
$upd_formfield = [
'updates' => [
'title' => lng('update.update'),
'image' => 'fa-solid fa-download',
'sections' => [
'section_autoupd' => [
'fields' => [
'newversion' => ['type' => 'hidden', 'value' => $_version]
]
]
],
'buttons' => [
[
'class' => 'btn-outline-secondary',
'label' => lng('panel.cancel'),
'type' => 'reset'
],
[
'label' => lng('update.proceed')
]
]
]
];
UI::view('user/form-note.html.twig', [
'formaction' => $linker->getLink(['section' => 'autoupdate', 'page' => 'getdownload']),
'formdata' => $upd_formfield['updates'],
// alert
'type' => 'warning',
'alert_msg' => $text
]);
} elseif ($isnewerversion == 0) {
// all good
Response::standardSuccess('noupdatesavail');
} else {
Response::standardError('customized_version');
}
}
} // download the new archive
elseif ($page == 'getdownload') {
// retrieve the new version from the form
$newversion = isset($_POST['newversion']) ? $_POST['newversion'] : null;
// valid?
if ($newversion !== null) {
// define files to get
$toLoad = str_replace('{version}', $newversion, RELEASE_URI);
$toCheck = str_replace('{version}', $newversion, CHECKSUM_URI);
// check for local destination folder
if (!is_dir(Froxlor::getInstallDir() . '/updates/')) {
mkdir(Froxlor::getInstallDir() . '/updates/');
}
// name archive
$localArchive = Froxlor::getInstallDir() . '/updates/' . basename($toLoad);
$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, "Downloading " . $toLoad . " to " . $localArchive);
// remove old archive
if (file_exists($localArchive)) {
@unlink($localArchive);
}
// get archive data
try {
HttpClient::fileGet($toLoad, $localArchive);
} catch (Exception $e) {
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 4
]);
}
// validate the integrity of the downloaded file
$_shouldsum = HttpClient::urlGet($toCheck);
if (!empty($_shouldsum)) {
$_t = explode(" ", $_shouldsum);
$shouldsum = $_t[0];
} else {
$shouldsum = null;
}
$filesum = hash_file('sha256', $localArchive);
if ($filesum != $shouldsum) {
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 9
]);
}
// to the next step
Response::redirectTo($filename, [
'page' => 'extract',
'archive' => basename($localArchive)
]);
}
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 6
]);
} // extract and install new version
elseif ($page == 'extract') {
if (isset($_POST['send']) && $_POST['send'] == 'send') {
$toExtract = isset($_POST['archive']) ? $_POST['archive'] : null;
$localArchive = Froxlor::getInstallDir() . '/updates/' . $toExtract;
// decompress from zip
$zip = new ZipArchive();
$res = $zip->open($localArchive);
if ($res === true) {
$log->logAction(FroxlorLogger::ADM_ACTION, LOG_NOTICE, "Extracting " . $localArchive . " to " . Froxlor::getInstallDir());
$zip->extractTo(Froxlor::getInstallDir());
$zip->close();
// success - remove unused archive
@unlink($localArchive);
// wait a bit before we redirect to be sure
sleep(2);
} else {
// error
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 8
]);
}
// redirect to update-page?
Response::redirectTo('admin_updates.php');
} else {
$toExtract = isset($_GET['archive']) ? $_GET['archive'] : null;
$localArchive = Froxlor::getInstallDir() . '/updates/' . $toExtract;
}
if (!file_exists($localArchive)) {
Response::redirectTo($filename, [
'page' => 'error',
'errno' => 7
]);
}
$text = 'Extract downloaded archive "' . $toExtract . '"?';
$upd_formfield = [
'updates' => [
'title' => lng('update.update'),
'image' => 'fa-solid fa-download',
'sections' => [
'section_autoupd' => [
'fields' => [
'archive' => ['type' => 'hidden', 'value' => $toExtract]
]
]
],
'buttons' => [
[
'class' => 'btn-outline-secondary',
'label' => lng('panel.cancel'),
'type' => 'reset'
],
[
'label' => lng('update.proceed')
]
]
]
];
UI::view('user/form-note.html.twig', [
'formaction' => $linker->getLink(['section' => 'autoupdate', 'page' => 'extract']),
'formdata' => $upd_formfield['updates'],
// alert
'type' => 'warning',
'alert_msg' => $text
]);
} // display error
elseif ($page == 'error') {
// retrieve error-number via url-parameter
$errno = isset($_GET['errno']) ? (int)$_GET['errno'] : 0;
// 2 = no Zlib
// 3 = custom version detected
// 4 = could not store archive to local hdd
// 5 = some weird value came from version.froxlor.org
// 6 = download without valid version
// 7 = local archive does not exist
// 8 = could not extract archive
// 9 = checksum mismatch
// 10 =