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<?php
(function() {
$type = Request::any('type', null, 'string');
if ($type === null && isset($_SERVER['HTTP_USER_AGENT'])) {
if (preg_match('/^iPXE/', $_SERVER['HTTP_USER_AGENT'])) {
$type = 'ipxe';
} elseif (preg_match('/^GRUB/', $_SERVER['HTTP_USER_AGENT'])) {
$type = 'grub';
} elseif (preg_match('/wget|curl/i', $_SERVER['HTTP_USER_AGENT'])) {
$type = 'bash';
}
}
if ($type === 'bash') {
$builder = new ScriptBuilderBash();
} elseif ($type === 'grub') {
$builder = new ScriptBuilderGrub();
} else {
$builder = new ScriptBuilderIpxe();
}
$bootEntryId = Request::get('beid', false, 'string');
if ($bootEntryId !== false) {
$bootEntryId = Util::cleanUtf8($bootEntryId);
}
$entryId = Request::get('entryid', false, 'int');
if ($bootEntryId !== false) {
$entry = BootEntry::fromDatabaseId($bootEntryId);
$data = $builder->getBootEntry($entry);
} elseif ($entryId !== false) {
$entry = MenuEntry::get($entryId);
$data = $builder->getMenuEntry($entry);
} else {
// Get bootstrap code if required...
$data = $builder->bootstrapLive();
if ($data === false) {
// ...otherwise, generate normal code
$menuId = Request::get('menuid', false, 'int');
if ($menuId !== false) {
$menu = IPxeMenu::get($menuId, true);
} else {
$menu = IPxeMenu::forClient($builder->clientIp(), $builder->uuid());
}
$data = null;
// In exam mode, either skip menu if only one entry, or shorten timeout to 1 second
$isExamMode = Module::isAvailable('exams')
&& Exams::isInExamMode([Location::getFromIpAndUuid($builder->clientIp(), $builder->uuid())]);
if ($menu->itemCount() === 1 && ($menu->timeoutMs === 0 || $isExamMode)) {
// One entry, no timeout -- direct boot
$entry = $menu->defaultEntry();
if ($entry !== null) {
$data = $builder->getMenuEntry($entry);
}
} elseif ($isExamMode) {
$menu->timeoutMs = 1000;
}
if ($data === null) {
// Show menu
$data = $builder->getMenu($menu, true);
}
}
}
$builder->output($data);
})();
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