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phorge/src/infrastructure/celerity/controller/CelerityResourceController.php
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CelerityResourceController.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class CelerityResourceController extends AphrontController {
private $path;
private $hash;
private $package;
public function willProcessRequest(array $data) {
$this->path = $data['path'];
$this->hash = $data['hash'];
$this->package = !empty($data['package']);
}
public function processRequest() {
$path = $this->path;
// Sanity checking to keep this from exposing anything sensitive.
$path = preg_replace('@(//|\\.\\.)@', '', $path);
$matches = null;
if (!preg_match('/\.(css|js)$/', $path, $matches)) {
throw new Exception("Only CSS and JS resources may be served.");
}
$type = $matches[1];
$root = dirname(phutil_get_library_root('phabricator'));
if ($this->package) {
$map = CelerityResourceMap::getInstance();
$paths = $map->resolvePackage($this->hash);
if (!$paths) {
return new Aphront404Response();
}
try {
$data = array();
foreach ($paths as $path) {
$data[] = Filesystem::readFile($root.'/webroot/'.$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();
}
}
$response = new AphrontFileResponse();
$response->setContent($data);
switch ($type) {
case 'css':
$response->setMimeType("text/css; charset=utf-8");
break;
case 'js':
$response->setMimeType("text/javascript; charset=utf-8");
break;
}
$response->setCacheDurationInSeconds(60 * 60 * 24 * 30);
return $response;
}
}

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