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- <?php
- namespace OC\Template;
- use OC\SystemConfig;
- use OCP\Files\IAppData;
- use OCP\Files\NotFoundException;
- use OCP\Files\NotPermittedException;
- use OCP\Files\SimpleFS\ISimpleFolder;
- use OCP\ICache;
- use OCP\ICacheFactory;
- use OCP\IURLGenerator;
- use Psr\Log\LoggerInterface;
- class JSCombiner {
-
- protected $appData;
-
- protected $urlGenerator;
-
- protected $depsCache;
-
- protected $config;
- protected LoggerInterface $logger;
-
- private $cacheFactory;
- public function __construct(IAppData $appData,
- IURLGenerator $urlGenerator,
- ICacheFactory $cacheFactory,
- SystemConfig $config,
- LoggerInterface $logger) {
- $this->appData = $appData;
- $this->urlGenerator = $urlGenerator;
- $this->cacheFactory = $cacheFactory;
- $this->depsCache = $this->cacheFactory->createDistributed('JS-' . md5($this->urlGenerator->getBaseUrl()));
- $this->config = $config;
- $this->logger = $logger;
- }
-
- public function process($root, $file, $app) {
- if ($this->config->getValue('debug') || !$this->config->getValue('installed')) {
- return false;
- }
- $path = explode('/', $root . '/' . $file);
- $fileName = array_pop($path);
- $path = implode('/', $path);
- try {
- $folder = $this->appData->getFolder($app);
- } catch (NotFoundException $e) {
-
- $folder = $this->appData->newFolder($app);
- }
- if ($this->isCached($fileName, $folder)) {
- return true;
- }
- return $this->cache($path, $fileName, $folder);
- }
-
- protected function isCached($fileName, ISimpleFolder $folder) {
- $fileName = str_replace('.json', '.js', $fileName);
- if (!$folder->fileExists($fileName)) {
- return false;
- }
- $fileName = $fileName . '.deps';
- try {
- $deps = $this->depsCache->get($folder->getName() . '-' . $fileName);
- $fromCache = true;
- if ($deps === null || $deps === '') {
- $fromCache = false;
- $depFile = $folder->getFile($fileName);
- $deps = $depFile->getContent();
- }
-
- if ($deps === null || $deps === '') {
- $this->logger->info('JSCombiner: deps file empty: ' . $fileName);
- return false;
- }
- $deps = json_decode($deps, true);
- if ($deps === null) {
- return false;
- }
- foreach ($deps as $file => $mtime) {
- if (!file_exists($file) || filemtime($file) > $mtime) {
- return false;
- }
- }
- if ($fromCache === false) {
- $this->depsCache->set($folder->getName() . '-' . $fileName, json_encode($deps));
- }
- return true;
- } catch (NotFoundException $e) {
- return false;
- }
- }
-
- protected function cache($path, $fileName, ISimpleFolder $folder) {
- $deps = [];
- $fullPath = $path . '/' . $fileName;
- $data = json_decode(file_get_contents($fullPath));
- $deps[$fullPath] = filemtime($fullPath);
- $res = '';
- foreach ($data as $file) {
- $filePath = $path . '/' . $file;
- if (is_file($filePath)) {
- $res .= file_get_contents($filePath);
- $res .= PHP_EOL . PHP_EOL;
- $deps[$filePath] = filemtime($filePath);
- }
- }
- $fileName = str_replace('.json', '.js', $fileName);
- try {
- $cachedfile = $folder->getFile($fileName);
- } catch (NotFoundException $e) {
- $cachedfile = $folder->newFile($fileName);
- }
- $depFileName = $fileName . '.deps';
- try {
- $depFile = $folder->getFile($depFileName);
- } catch (NotFoundException $e) {
- $depFile = $folder->newFile($depFileName);
- }
- try {
- $gzipFile = $folder->getFile($fileName . '.gzip');
- } catch (NotFoundException $e) {
- $gzipFile = $folder->newFile($fileName . '.gzip');
- }
- try {
- $cachedfile->putContent($res);
- $deps = json_encode($deps);
- $depFile->putContent($deps);
- $this->depsCache->set($folder->getName() . '-' . $depFileName, $deps);
- $gzipFile->putContent(gzencode($res, 9));
- $this->logger->debug('JSCombiner: successfully cached: ' . $fileName);
- return true;
- } catch (NotPermittedException|NotFoundException $e) {
- $this->logger->error('JSCombiner: unable to cache: ' . $fileName);
- return false;
- }
- }
-
- public function getCachedJS($appName, $fileName) {
- $tmpfileLoc = explode('/', $fileName);
- $fileName = array_pop($tmpfileLoc);
- $fileName = str_replace('.json', '.js', $fileName);
- return substr($this->urlGenerator->linkToRoute('core.Js.getJs', ['fileName' => $fileName, 'appName' => $appName]), strlen(\OC::$WEBROOT) + 1);
- }
-
- public function getContent($root, $file) {
-
- $data = json_decode(file_get_contents($root . '/' . $file));
- if (!is_array($data)) {
- return [];
- }
- $path = explode('/', $file);
- array_pop($path);
- $path = implode('/', $path);
- $result = [];
- foreach ($data as $f) {
- $result[] = $path . '/' . $f;
- }
- return $result;
- }
-
- public function resetCache() {
- $this->cacheFactory->createDistributed('JS-')->clear();
- $appDirectory = $this->appData->getDirectoryListing();
- foreach ($appDirectory as $folder) {
- foreach ($folder->getDirectoryListing() as $file) {
- $file->delete();
- }
- }
- }
- }
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