PhameResourceController.php
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	<?php

	/**
	* @group phame
	*/
	final class PhameResourceController extends CelerityResourceController {

	private $id;
	private $hash;
	private $name;
	private $root;

	protected function getRootDirectory() {
	return $this->root;
	}

	public function willProcessRequest(array $data) {
	$this->id = $data['id'];
	$this->hash = $data['hash'];
	$this->name = $data['name'];
	}

	public function processRequest() {
	$request = $this->getRequest();
	$user = $request->getUser();

	// We require a visible blog associated with a given skin to serve
	// resources, so you can't go fishing around where you shouldn't be.

	$blog = id(new PhameBlogQuery())
	->setViewer($user)
	->withIDs(array($this->id))
	->executeOne();
	if (!$blog) {
	return new Aphront404Response();
	}

	$skin = $blog->getSkinRenderer($request);
	$spec = $skin->getSpecification();

	$this->root = $spec->getRootDirectory().DIRECTORY_SEPARATOR;
	return $this->serveResource($this->name);
	}

	protected function buildResourceTransformer() {
	$xformer = new CelerityResourceTransformer();
	$xformer->setMinify(false);
	$xformer->setTranslateURICallback(array($this, 'translateResourceURI'));
	return $xformer;
	}

	public function translateResourceURI(array $matches) {
	$uri = trim($matches[1], "'\" \r\t\n");

	if (Filesystem::pathExists($this->root.$uri)) {
	$hash = filemtime($this->root.$uri);
	} else {
	$hash = '-';
	}

	$uri = '/phame/r/'.$this->id.'/'.$hash.'/'.$uri;
	return 'url('.$uri.')';
	}

	}