public function processRequest()
{
$path = $this->path;
// Sanity checking to keep this from exposing anything sensitive, since it
// ultimately boils down to disk reads.
if (preg_match('@(//|\\.\\.)@', $path)) {
return new Aphront400Response();
}
$type = CelerityResourceTransformer::getResourceType($path);
$type_map = $this->getSupportedResourceTypes();
if (empty($type_map[$type])) {
throw new Exception("Only static resources may be served.");
}
if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && !PhabricatorEnv::getEnvConfig('celerity.force-disk-reads')) {
// Return a "304 Not Modified". We don't care about the value of this
// field since we never change what resource is served by a given URI.
return $this->makeResponseCacheable(new Aphront304Response());
}
$root = dirname(phutil_get_library_root('phabricator'));
if ($this->package) {
$map = CelerityResourceMap::getInstance();
$paths = $map->resolvePackage($this->hash);
if (!$paths) {
return new Aphront404Response();
}
try {
$data = array();
foreach ($paths as $package_path) {
$data[] = Filesystem::readFile($root . '/webroot/' . $package_path);
}
$data = implode("\n\n", $data);
} catch (Exception $ex) {
return new Aphront404Response();
}
} else {
try {
$data = Filesystem::readFile($root . '/webroot/' . $path);
} catch (Exception $ex) {
return new Aphront404Response();
}
}
$xformer = new CelerityResourceTransformer();
$xformer->setMinify(PhabricatorEnv::getEnvConfig('celerity.minify'));
$xformer->setCelerityMap(CelerityResourceMap::getInstance());
$data = $xformer->transformResource($path, $data);
$response = new AphrontFileResponse();
$response->setContent($data);
$response->setMimeType($type_map[$type]);
return $this->makeResponseCacheable($response);
}
public function testTransformation()
{
$files = dirname(__FILE__) . '/transformer/';
foreach (Filesystem::listDirectory($files) as $file) {
$name = basename($file);
$data = Filesystem::readFile($files . '/' . $file);
$parts = preg_split('/^~~~+\\n/m', $data);
$parts = array_merge($parts, array(null));
list($options, $in, $expect) = $parts;
$options = PhutilSimpleOptions::parse($options) + array('minify' => false, 'name' => $name);
$xformer = new CelerityResourceTransformer();
$xformer->setRawResourceMap(array('/rsrc/example.png' => array('uri' => '/res/hash/example.png')));
$xformer->setMinify($options['minify']);
$result = $xformer->transformResource($options['name'], $in);
$this->assertEqual(rtrim($expect), rtrim($result), $file);
}
}
/**
* Find text resources (like JS and CSS) and return information about them.
*
* @param CelerityPhysicalResources Resource map to find text resources for.
* @param CelerityResourceTransformer Configured resource transformer.
* @return map<string, map<string, string>> Resource information map.
*/
private function rebuildTextResources(CelerityPhysicalResources $resources, CelerityResourceTransformer $xformer)
{
$text_map = $resources->findTextResources();
$result_map = array();
foreach ($text_map as $name => $data_hash) {
$raw_data = $resources->getResourceData($name);
$xformed_data = $xformer->transformResource($name, $raw_data);
$data_hash = $resources->getCelerityHash($xformed_data);
$hash = $resources->getCelerityHash($data_hash . $name);
list($provides, $requires) = $this->getProvidesAndRequires($name, $raw_data);
$result_map[$name] = array('hash' => $hash);
if ($provides !== null) {
$result_map[$name] += array('provides' => $provides, 'requires' => $requires);
}
}
return $result_map;
}