daux.io/libs/Server/Server.php
2020-04-22 22:24:52 +02:00

209 lines
5.6 KiB
PHP
Executable File

<?php namespace Todaymade\Daux\Server;
use Symfony\Component\Console\Output\ConsoleOutput;
use Symfony\Component\HttpFoundation\BinaryFileResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Mime\MimeTypes;
use Todaymade\Daux\ConfigBuilder;
use Todaymade\Daux\Daux;
use Todaymade\Daux\DauxHelper;
use Todaymade\Daux\Exception;
use Todaymade\Daux\Format\Base\ComputedRawPage;
use Todaymade\Daux\Format\Base\LiveGenerator;
use Todaymade\Daux\Format\Base\Page;
use Todaymade\Daux\Format\HTML\RawPage;
class Server
{
private $daux;
private $config;
private $base_url;
/**
* @var Request
*/
private $request;
public function __construct(Daux $daux)
{
$this->daux = $daux;
$this->request = Request::createFromGlobals();
$this->base_url = $this->request->getHttpHost() . $this->request->getBaseUrl() . '/';
}
/**
* Serve the documentation.
*
* @throws Exception
*/
public static function serve()
{
$verbosity = getenv('DAUX_VERBOSITY');
$output = new ConsoleOutput($verbosity);
$configFile = getenv('DAUX_CONFIG');
if ($configFile) {
$config = ConfigBuilder::fromFile($configFile);
} else {
$config = ConfigBuilder::withMode(Daux::LIVE_MODE)->build();
}
$daux = new Daux($config, $output);
$class = $daux->getProcessorClass();
if (!empty($class)) {
$daux->setProcessor(new $class($daux, $output, 0));
}
// Improve the tree with a processor
$daux->generateTree();
$server = new static($daux);
try {
$page = $server->handle();
} catch (NotFoundException $e) {
$page = new ErrorPage('An error occured', $e->getMessage(), $daux->getConfig());
}
$server->createResponse($page)->prepare($server->request)->send();
}
/**
* Create a temporary file with the file suffix, for mime type detection.
*
* @param string $postfix
*
* @return string
*/
private function getTemporaryFile($postfix)
{
$sysFileName = tempnam(sys_get_temp_dir(), 'daux');
if ($sysFileName === false) {
throw new \RuntimeException('Could not create temporary file');
}
$newFileName = $sysFileName . $postfix;
if ($sysFileName == $newFileName) {
return $sysFileName;
}
if (DIRECTORY_SEPARATOR == '\\' ? rename($sysFileName, $newFileName) : link($sysFileName, $newFileName)) {
return $newFileName;
}
throw new \RuntimeException('Could not create temporary file');
}
/**
* @return Response
*/
public function createResponse(Page $page)
{
// Add a custom MimeType guesser in case the default ones are not available
// This makes sure that at least CSS and JS work fine.
$mimeTypes = MimeTypes::getDefault();
$mimeTypes->registerGuesser(new ExtensionMimeTypeGuesser());
if ($page instanceof RawPage) {
return new BinaryFileResponse($page->getFile());
}
if ($page instanceof ComputedRawPage) {
$file = $this->getTemporaryFile($page->getFilename());
file_put_contents($file, $page->getContent());
return new BinaryFileResponse($file);
}
return new Response($page->getContent(), $page instanceof ErrorPage ? 404 : 200);
}
/**
* @return \Todaymade\Daux\Config
*/
public function getConfig()
{
$config = $this->daux->getConfig();
DauxHelper::rebaseConfiguration($config, '//' . $this->base_url);
return $config;
}
/**
* Handle an incoming request.
*
* @throws Exception
* @throws NotFoundException
*
* @return \Todaymade\Daux\Format\Base\Page
*/
public function handle()
{
$this->config = $this->getConfig();
$request = substr($this->request->getRequestUri(), strlen($this->request->getBaseUrl()) + 1);
if (substr($request, 0, 7) == 'themes/') {
return $this->serveTheme(substr($request, 6));
}
if ($request == '') {
$request = $this->daux->tree->getIndexPage()->getUri();
}
return $this->getPage($request);
}
/**
* Handle a request on custom themes.
*
* @param string $request
*
* @throws NotFoundException
*
* @return \Todaymade\Daux\Format\Base\Page
*/
public function serveTheme($request)
{
$file = $this->getConfig()->getThemesPath() . $request;
if (file_exists($file)) {
return new RawPage($file);
}
throw new NotFoundException();
}
/**
* @param string $request
*
* @throws NotFoundException
*
* @return \Todaymade\Daux\Format\Base\Page
*/
private function getPage($request)
{
$file = DauxHelper::getFile($this->daux->tree, $request);
if ($file === false) {
throw new NotFoundException('The Page you requested is yet to be made. Try again later.');
}
$this->daux->tree->setActiveNode($file);
$generator = $this->daux->getGenerator();
if (!$generator instanceof LiveGenerator) {
throw new \RuntimeException(
"The generator '" . get_class($generator) . "' does not implement the interface " .
"'Todaymade\\Daux\\Format\\Base\\LiveGenerator' and thus doesn't support live rendering."
);
}
return $this->daux->getGenerator()->generateOne($file, $this->config);
}
}