315 lines
9.2 KiB
PHP
315 lines
9.2 KiB
PHP
<?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 App\Entity;
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use App\Core\DB\DB;
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use App\Core\Entity;
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use App\Util\Common;
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use DateTimeInterface;
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/**
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* Entity for uploaded files
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*
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* @category DB
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* @package GNUsocial
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*
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* @author Zach Copley <zach@status.net>
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* @copyright 2010 StatusNet Inc.
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* @author Mikael Nordfeldth <mmn@hethane.se>
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* @copyright 2009-2014 Free Software Foundation, Inc http://www.fsf.org
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* @author Hugo Sales <hugo@hsal.es>
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* @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
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* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
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class Attachment extends Entity
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{
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// {{{ Autocode
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// @codeCoverageIgnoreStart
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private int $id;
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private ?string $remote_url;
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private ?string $remote_url_hash;
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private ?string $file_hash;
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private ?int $gsactor_id;
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private ?string $mimetype;
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private ?string $title;
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private ?string $filename;
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private ?bool $is_local;
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private ?int $source;
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private ?int $scope;
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private ?int $size;
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private ?int $width;
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private ?int $height;
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private \DateTimeInterface $modified;
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public function setId(int $id): self
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{
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$this->id = $id;
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return $this;
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}
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public function getId(): int
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{
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return $this->id;
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}
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public function setRemoteUrl(?string $remote_url): self
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{
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$this->remote_url = $remote_url;
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return $this;
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}
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public function getRemoteUrl(): ?string
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{
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return $this->remote_url;
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}
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public function setRemoteUrlHash(?string $remote_url_hash): self
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{
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$this->remote_url_hash = $remote_url_hash;
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return $this;
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}
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public function getRemoteUrlHash(): ?string
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{
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return $this->remote_url_hash;
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}
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public function setFileHash(?string $file_hash): self
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{
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$this->file_hash = $file_hash;
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return $this;
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}
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public function getFileHash(): ?string
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{
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return $this->file_hash;
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}
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public function setGSActorId(?int $gsactor_id): self
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{
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$this->gsactor_id = $gsactor_id;
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return $this;
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}
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public function getGSActorId(): ?int
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{
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return $this->gsactor_id;
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}
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public function setMimetype(?string $mimetype): self
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{
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$this->mimetype = $mimetype;
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return $this;
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}
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public function getMimetype(): ?string
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{
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return $this->mimetype;
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}
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public function setTitle(?string $title): self
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{
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$this->title = $title;
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return $this;
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}
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public function getTitle(): ?string
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{
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return $this->title;
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}
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public function setFilename(?string $filename): self
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{
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$this->filename = $filename;
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return $this;
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}
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public function getFilename(): ?string
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{
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return $this->filename;
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}
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public function setIsLocal(?bool $is_local): self
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{
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$this->is_local = $is_local;
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return $this;
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}
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public function getIsLocal(): ?bool
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{
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return $this->is_local;
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}
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public function setSource(?int $source): self
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{
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$this->source = $source;
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return $this;
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}
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public function getSource(): ?int
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{
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return $this->source;
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}
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public function setScope(?int $scope): self
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{
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$this->scope = $scope;
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return $this;
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}
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public function getScope(): ?int
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{
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return $this->scope;
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}
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public function setSize(?int $size): self
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{
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$this->size = $size;
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return $this;
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}
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public function getSize(): ?int
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{
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return $this->size;
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}
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public function setWidth(?int $width): self
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{
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$this->width = $width;
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return $this;
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}
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public function getWidth(): ?int
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{
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return $this->width;
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}
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public function setHeight(?int $height): self
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{
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$this->height = $height;
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return $this;
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}
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public function getHeight(): ?int
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{
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return $this->height;
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}
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public function setModified(DateTimeInterface $modified): self
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{
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$this->modified = $modified;
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return $this;
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}
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public function getModified(): DateTimeInterface
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{
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return $this->modified;
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}
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// @codeCoverageIgnoreEnd
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// }}} Autocode
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const URLHASH_ALGO = 'sha256';
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const FILEHASH_ALGO = 'sha256';
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/**
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* Delete this attachment and optianlly all the associated entities (avatar and/or thumbnails, which this owns)
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*/
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public function delete(bool $cascade = true, bool $flush = true): void
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{
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$files = [];
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if ($cascade) {
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// An avatar can own a file, and it becomes invalid if the file is deleted
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$avatar = DB::findBy('avatar', ['attachment_id' => $this->id]);
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foreach ($avatar as $a) {
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$files[] = $a->getPath();
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$a->delete(cascade: false, flush: false);
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}
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foreach ($this->getThumbnails() as $at) {
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$files[] = $at->getPath();
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$at->delete(flush: false);
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}
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}
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$files[] = $this->getPath();
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DB::remove($this);
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if ($flush) {
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DB::flush();
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}
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foreach ($files as $f) {
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if (file_exists($f)) {
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if (@unlink($f) === false) {
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Log::warning("Failed deleting file for attachment with id={$this->id} at {$f}");
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}
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}
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}
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}
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/**
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* Find all thumbnails associated with this attachment. Don't bother caching as this is not supposed to be a common operation
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*/
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public function getThumbnails()
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{
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return DB::findBy('attachment_thumbnail', ['attachment_id' => $this->id]);
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}
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public function getPath()
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{
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return Common::config('attachments', 'dir') . $this->getFilename();
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}
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public function getAttachmentUrl()
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{
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return Router::url('attachment_thumbnail', ['id' => $this->getAttachmentId(), 'w' => Common::config('attachment', 'width'), 'h' => Common::config('attachment', 'height')]);
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}
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public static function schemaDef(): array
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{
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return [
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'name' => 'attachment',
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'fields' => [
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'id' => ['type' => 'serial', 'not null' => true],
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'remote_url' => ['type' => 'text', 'description' => 'URL after following possible redirections'],
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'remote_url_hash' => ['type' => 'varchar', 'length' => 64, 'description' => 'sha256 of destination URL (url field)'],
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'file_hash' => ['type' => 'varchar', 'length' => 64, 'description' => 'sha256 of the file contents, if the file is stored locally'],
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'gsactor_id' => ['type' => 'int', 'foreign key' => true, 'target' => 'GSActor.id', 'multiplicity' => 'one to one', 'description' => 'If set, used so each actor can have a version of this file (for avatars, for instance)'],
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'mimetype' => ['type' => 'varchar', 'length' => 50, 'description' => 'mime type of resource'],
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'title' => ['type' => 'text', 'description' => 'title of resource when available'],
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'filename' => ['type' => 'varchar', 'length' => 191, 'description' => 'file name of resource when available'],
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'is_local' => ['type' => 'bool', 'description' => 'whether the file is stored locally'],
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'source' => ['type' => 'int', 'default' => null, 'description' => 'Source of the Attachment (upload, TFN, embed)'],
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'scope' => ['type' => 'int', 'default' => null, 'description' => 'visibility scope for this attachment'],
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'size' => ['type' => 'int', 'description' => 'size of resource when available'],
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'width' => ['type' => 'int', 'description' => 'width in pixels, if it can be described as such and data is available'],
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'height' => ['type' => 'int', 'description' => 'height in pixels, if it can be described as such and data is available'],
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'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
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],
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'primary key' => ['id'],
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'unique keys' => [
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'attachment_file_hash_uniq' => ['file_hash'],
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],
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'indexes' => [
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'file_filehash_idx' => ['file_hash'],
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],
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];
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}
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}
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