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<?php
class Page_MiniLinux extends Page
{
protected function doPreprocess()
{
User::load();
if (!User::hasPermission('superadmin')) {
Message::addError('no-permission');
Util::redirect('?do=Main');
}
}
protected function doRender()
{
$files = array();
mkdir(CONFIG_HTTP_DIR . "/default", 0755, true);
$this->checkFile($files, 'kernel');
$this->checkFile($files, 'initramfs-stage31');
$this->checkFile($files, 'stage32.sqfs');
$this->checkFile($files, 'vmware.sqfs');
$this->checkFile($files, 'nvidia_libs.sqfs');
Render::addTemplate('page-minilinux', array(
'files' => $files,
'token' => Session::get('token')
));
}
private function checkFile(&$files, $name)
{
static $someId = 0;
$remote = CONFIG_REMOTE_ML . "/${name}.md5";
$localTarget = CONFIG_HTTP_DIR . "/default/${name}";
$local = "${localTarget}.md5";
$localLock = "${localTarget}.lck";
// Maybe already in progress?
if (file_exists($localLock)) {
$data = explode(' ', file_get_contents($localLock));
if (count($data) == 2) {
$pid = (int)$data[0];
if (posix_kill($pid, 0)) {
$files[] = array(
'file' => $name,
'id' => 'id' . $someId++,
'pid' => $pid,
'progress' => $data[1]
);
return true;
} else {
unlink($localLock);
}
} else {
unlink($localLock);
}
}
// Not in progress, normal display
if (!file_exists($local) || filemtime($local) + 300 < time()) {
if (file_exists($localTarget)) {
$existingMd5 = md5_file($localTarget);
} else {
$existingMd5 = '<missing>';
}
if (file_put_contents($local, $existingMd5) === false) {
@unlink($local);
Message::addWarning('error-write', $local);
}
} else {
$existingMd5 = file_get_contents($local);
}
$existingMd5 = strtolower(preg_replace('/[^0-9a-f]/is', '', $existingMd5));
$remoteMd5 = Util::download($remote, 3, $code);
$remoteMd5 = strtolower(preg_replace('/[^0-9a-f]/is', '', $remoteMd5));
if ($code != 200) {
Message::addError('remote-timeout', $remote, $code);
return false;
}
if ($existingMd5 === $remoteMd5) {
// Up to date
$files[] = array(
'file' => $name,
'id' => 'id' . $someId++,
);
return true;
}
// New version on server
$files[] = array(
'file' => $name,
'id' => 'id' . $someId++,
'update' => true
);
return true;
}
}
|
