forked from GNUsocial/gnu-social
[Media] Copy media subsystem from v2 and roughly structure it for v3
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227
plugins/Media/Controller/Attachment.php
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227
plugins/Media/Controller/Attachment.php
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<?php
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// {{{ License
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// This file is part of GNU social - https://www.gnu.org/software/social
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//
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// GNU social 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 published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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// }}}
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namespace Plugin\Media\Controller;
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use App\Core\Controller;
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use Symfony\Component\HttpFoundation\Request;
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/**
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* Show note attachments
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*
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* @author Evan Prodromou <evan@status.net>
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* @author Hugo Sales <hugo@hsal.es>
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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*
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* @see http://status.net/
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*/
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class Attachment extends Controller
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{
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public function handle(Request $request)
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{
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return [
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'_template' => 'doc/tos.html.twig',
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];
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}
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/**
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* Attachment File object to show
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*/
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public $attachment;
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public $filehash;
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public $filepath;
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public $filesize;
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public $mimetype;
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public $filename;
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/**
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* Load attributes based on database arguments
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*
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* Loads all the DB stuff
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*
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* @param array $args $_REQUEST array
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*
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* @throws ClientException
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* @throws FileNotFoundException
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* @throws FileNotStoredLocallyException
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* @throws InvalidFilenameException
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* @throws ServerException
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*
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* @return bool flag
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*/
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protected function prepare(array $args = [])
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{
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// parent::prepare($args);
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try {
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if (!empty($id = $this->trimmed('attachment'))) {
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$this->attachment = File::getByID((int) $id);
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} elseif (!empty($this->filehash = $this->trimmed('filehash'))) {
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$file = File::getByHash($this->filehash);
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$file->fetch();
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$this->attachment = $file;
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}
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} catch (Exception $e) {
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// Not found
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}
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if (!$this->attachment instanceof File) {
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// TRANS: Client error displayed trying to get a non-existing attachment.
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$this->clientError(_m('No such attachment.'), 404);
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}
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$this->filesize = $this->attachment->size;
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$this->mimetype = $this->attachment->mimetype;
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$this->filename = $this->attachment->filename;
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if ($this->attachment->isLocal() || $this->attachment->isFetchedRemoteFile()) {
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$this->filesize = $this->attachment->getFileOrThumbnailSize();
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$this->mimetype = $this->attachment->getFileOrThumbnailMimetype();
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$this->filename = MediaFile::getDisplayName($this->attachment);
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}
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return true;
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}
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/**
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* Is this action read-only?
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*
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* @param mixed $args
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*
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* @return bool true
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*/
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public function isReadOnly($args): bool
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{
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return true;
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}
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/**
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* Title of the page
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*
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* @return string title of the page
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*/
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public function title(): string
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{
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$a = new self($this->attachment);
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return $a->title();
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}
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public function showPage(): void
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{
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if (empty($this->filepath)) {
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// if it's not a local file, gtfo
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common_redirect($this->attachment->getUrl(), 303);
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}
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// parent::showPage();
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}
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/**
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* Fill the content area of the page
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*
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* Shows a single notice list item.
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*
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* @return void
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*/
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public function showContent(): void
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{
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$ali = new self($this->attachment, $this);
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$ali->show();
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}
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/**
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* Don't show page notice
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*
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* @return void
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*/
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public function showPageNoticeBlock(): void
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{
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}
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/**
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* Show aside: this attachments appears in what notices
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*
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* @return void
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*/
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public function showSections(): void
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{
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$ns = new AttachmentNoticeSection($this);
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$ns->show();
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}
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/**
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* Last-modified date for file
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*
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* @throws ServerException
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*
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* @return int last-modified date as unix timestamp
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*/
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public function lastModified(): ?int
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{
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if (common_config('site', 'use_x_sendfile')) {
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return null;
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}
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$path = $this->filepath;
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if (!empty($path)) {
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return filemtime($path);
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} else {
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return null;
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}
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}
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/**
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* etag header for file
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*
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* This returns the same data (inode, size, mtime) as Apache would,
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* but in decimal instead of hex.
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*
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* @throws ServerException
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*
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* @return string etag http header
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*/
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public function etag(): ?string
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{
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if (common_config('site', 'use_x_sendfile')) {
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return null;
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}
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$path = $this->filepath;
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$cache = Cache::instance();
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if ($cache) {
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if (empty($path)) {
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return null;
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}
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$key = Cache::key('attachments:etag:' . $path);
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$etag = $cache->get($key);
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if ($etag === false) {
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$etag = crc32(file_get_contents($path));
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$cache->set($key, $etag);
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}
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return $etag;
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}
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if (!empty($path)) {
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$stat = stat($path);
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return '"' . $stat['ino'] . '-' . $stat['size'] . '-' . $stat['mtime'] . '"';
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} else {
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return null;
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}
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}
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}
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