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188 lines
5.8 KiB
PHP
188 lines
5.8 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\WorkflowEngine\Check;
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use OCP\Files\IMimeTypeDetector;
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use OCP\Files\Storage\IStorage;
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use OCP\IL10N;
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use OCP\IRequest;
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class FileMimeType extends AbstractStringCheck {
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/** @var array */
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protected $mimeType;
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/** @var IRequest */
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protected $request;
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/** @var IMimeTypeDetector */
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protected $mimeTypeDetector;
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/** @var IStorage */
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protected $storage;
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/** @var string */
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protected $path;
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/**
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* @param IL10N $l
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* @param IRequest $request
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* @param IMimeTypeDetector $mimeTypeDetector
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*/
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public function __construct(IL10N $l, IRequest $request, IMimeTypeDetector $mimeTypeDetector) {
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parent::__construct($l);
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$this->request = $request;
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$this->mimeTypeDetector = $mimeTypeDetector;
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}
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/**
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* @param IStorage $storage
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* @param string $path
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*/
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public function setFileInfo(IStorage $storage, $path) {
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$this->storage = $storage;
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$this->path = $path;
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if (!isset($this->mimeType[$this->storage->getId()][$this->path])
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|| $this->mimeType[$this->storage->getId()][$this->path] === '') {
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$this->mimeType[$this->storage->getId()][$this->path] = null;
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}
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}
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/**
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* @return string
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*/
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protected function getActualValue() {
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if ($this->mimeType[$this->storage->getId()][$this->path] !== null) {
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return $this->mimeType[$this->storage->getId()][$this->path];
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}
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if ($this->isWebDAVRequest()) {
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// Creating a folder
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if ($this->request->getMethod() === 'MKCOL') {
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$this->mimeType[$this->storage->getId()][$this->path] = 'httpd/unix-directory';
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return $this->mimeType[$this->storage->getId()][$this->path];
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}
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if ($this->request->getMethod() === 'PUT') {
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$path = $this->request->getPathInfo();
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$this->mimeType[$this->storage->getId()][$this->path] = $this->mimeTypeDetector->detectPath($path);
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return $this->mimeType[$this->storage->getId()][$this->path];
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}
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} else if ($this->isPublicWebDAVRequest()) {
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if ($this->request->getMethod() === 'PUT') {
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$path = $this->request->getPathInfo();
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if (strpos($path, '/webdav/') === 0) {
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$path = substr($path, strlen('/webdav'));
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}
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$path = $this->path . $path;
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$this->mimeType[$this->storage->getId()][$path] = $this->mimeTypeDetector->detectPath($path);
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return $this->mimeType[$this->storage->getId()][$path];
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}
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}
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if (in_array($this->request->getMethod(), ['POST', 'PUT'])) {
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$files = $this->request->getUploadedFile('files');
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if (isset($files['type'][0])) {
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$mimeType = $files['type'][0];
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if ($this->mimeType === 'application/octet-stream') {
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// Maybe not...
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$mimeTypeTest = $this->mimeTypeDetector->detectPath($files['name'][0]);
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if ($mimeTypeTest !== 'application/octet-stream' && $mimeTypeTest !== false) {
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$mimeType = $mimeTypeTest;
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} else {
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$mimeTypeTest = $this->mimeTypeDetector->detect($files['tmp_name'][0]);
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if ($mimeTypeTest !== 'application/octet-stream' && $mimeTypeTest !== false) {
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$mimeType = $mimeTypeTest;
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}
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}
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}
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$this->mimeType[$this->storage->getId()][$this->path] = $mimeType;
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return $mimeType;
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}
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}
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$this->mimeType[$this->storage->getId()][$this->path] = $this->storage->getMimeType($this->path);
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if ($this->mimeType[$this->storage->getId()][$this->path] === 'application/octet-stream') {
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$this->mimeType[$this->storage->getId()][$this->path] = $this->detectMimetypeFromPath();
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}
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return $this->mimeType[$this->storage->getId()][$this->path];
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}
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/**
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* @return string
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*/
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protected function detectMimetypeFromPath() {
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$mimeType = $this->mimeTypeDetector->detectPath($this->path);
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if ($mimeType !== 'application/octet-stream' && $mimeType !== false) {
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return $mimeType;
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}
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if ($this->storage->instanceOfStorage('\OC\Files\Storage\Local')
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|| $this->storage->instanceOfStorage('\OC\Files\Storage\Home')
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|| $this->storage->instanceOfStorage('\OC\Files\ObjectStore\HomeObjectStoreStorage')) {
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$localFile = $this->storage->getLocalFile($this->path);
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if ($localFile !== false) {
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$mimeType = $this->mimeTypeDetector->detect($localFile);
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if ($mimeType !== false) {
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return $mimeType;
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}
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}
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return 'application/octet-stream';
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} else {
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$handle = $this->storage->fopen($this->path, 'r');
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$data = fread($handle, 8024);
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fclose($handle);
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$mimeType = $this->mimeTypeDetector->detectString($data);
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if ($mimeType !== false) {
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return $mimeType;
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}
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return 'application/octet-stream';
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}
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}
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/**
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* @return bool
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*/
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protected function isWebDAVRequest() {
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return substr($this->request->getScriptName(), 0 - strlen('/remote.php')) === '/remote.php' && (
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$this->request->getPathInfo() === '/webdav' ||
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strpos($this->request->getPathInfo(), '/webdav/') === 0 ||
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$this->request->getPathInfo() === '/dav/files' ||
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strpos($this->request->getPathInfo(), '/dav/files/') === 0
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);
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}
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/**
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* @return bool
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*/
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protected function isPublicWebDAVRequest() {
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return substr($this->request->getScriptName(), 0 - strlen('/public.php')) === '/public.php' && (
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$this->request->getPathInfo() === '/webdav' ||
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strpos($this->request->getPathInfo(), '/webdav/') === 0
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);
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}
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}
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