379 lines
11 KiB
PHP
379 lines
11 KiB
PHP
<?php
|
|
|
|
// {{{ License
|
|
|
|
// This file is part of GNU social - https://www.gnu.org/software/social
|
|
//
|
|
// GNU social is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// GNU social is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
// }}}
|
|
|
|
namespace App\Entity;
|
|
|
|
use App\Core\Cache;
|
|
use App\Core\DB\DB;
|
|
use App\Core\Entity;
|
|
use App\Core\Event;
|
|
use App\Core\GSFile;
|
|
use function App\Core\I18n\_m;
|
|
use App\Core\Log;
|
|
use App\Core\Router\Router;
|
|
use App\Util\Common;
|
|
use App\Util\Exception\DuplicateFoundException;
|
|
use App\Util\Exception\NotFoundException;
|
|
use App\Util\Exception\ServerException;
|
|
use DateTimeInterface;
|
|
|
|
/**
|
|
* Entity for uploaded files
|
|
*
|
|
* @category DB
|
|
* @package GNUsocial
|
|
*
|
|
* @author Zach Copley <zach@status.net>
|
|
* @copyright 2010 StatusNet Inc.
|
|
* @author Mikael Nordfeldth <mmn@hethane.se>
|
|
* @copyright 2009-2014 Free Software Foundation, Inc http://www.fsf.org
|
|
* @author Hugo Sales <hugo@hsal.es>
|
|
* @author Diogo Peralta Cordeiro <mail@diogo.site>
|
|
* @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
|
|
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
|
|
*/
|
|
class Attachment extends Entity
|
|
{
|
|
// {{{ Autocode
|
|
// @codeCoverageIgnoreStart
|
|
private int $id;
|
|
private int $lives = 1;
|
|
private ?string $filehash;
|
|
private ?string $mimetype;
|
|
private ?string $filename;
|
|
private ?int $size;
|
|
private ?int $width;
|
|
private ?int $height;
|
|
private DateTimeInterface $modified;
|
|
|
|
public function setId(int $id): self
|
|
{
|
|
$this->id = $id;
|
|
return $this;
|
|
}
|
|
|
|
public function getId(): int
|
|
{
|
|
return $this->id;
|
|
}
|
|
|
|
/**
|
|
* @return int
|
|
*/
|
|
public function getLives(): int
|
|
{
|
|
return $this->lives;
|
|
}
|
|
|
|
/**
|
|
* @param int $lives
|
|
*/
|
|
public function setLives(int $lives): void
|
|
{
|
|
$this->lives = $lives;
|
|
}
|
|
|
|
public function setFilehash(?string $filehash): self
|
|
{
|
|
$this->filehash = $filehash;
|
|
return $this;
|
|
}
|
|
|
|
public function getFilehash(): ?string
|
|
{
|
|
return $this->filehash;
|
|
}
|
|
|
|
public function setMimetype(?string $mimetype): self
|
|
{
|
|
$this->mimetype = $mimetype;
|
|
return $this;
|
|
}
|
|
|
|
public function getMimetype(): ?string
|
|
{
|
|
return $this->mimetype;
|
|
}
|
|
|
|
public function setFilename(?string $filename): self
|
|
{
|
|
$this->filename = $filename;
|
|
return $this;
|
|
}
|
|
|
|
public function getFilename(): ?string
|
|
{
|
|
return $this->filename;
|
|
}
|
|
|
|
public function setSize(?int $size): self
|
|
{
|
|
$this->size = $size;
|
|
return $this;
|
|
}
|
|
|
|
public function getSize(): ?int
|
|
{
|
|
return $this->size;
|
|
}
|
|
|
|
public function setWidth(?int $width): self
|
|
{
|
|
$this->width = $width;
|
|
return $this;
|
|
}
|
|
|
|
public function getWidth(): ?int
|
|
{
|
|
return $this->width;
|
|
}
|
|
|
|
public function setHeight(?int $height): self
|
|
{
|
|
$this->height = $height;
|
|
return $this;
|
|
}
|
|
|
|
public function getHeight(): ?int
|
|
{
|
|
return $this->height;
|
|
}
|
|
|
|
public function setModified(DateTimeInterface $modified): self
|
|
{
|
|
$this->modified = $modified;
|
|
return $this;
|
|
}
|
|
|
|
public function getModified(): DateTimeInterface
|
|
{
|
|
return $this->modified;
|
|
}
|
|
|
|
// @codeCoverageIgnoreEnd
|
|
// }}} Autocode
|
|
|
|
public function getMimetypeMajor(): ?string
|
|
{
|
|
$mime = $this->getMimetype();
|
|
return is_null($mime) ? $mime : GSFile::mimetypeMajor($mime);
|
|
}
|
|
|
|
public function getMimetypeMinor(): ?string
|
|
{
|
|
$mime = $this->getMimetype();
|
|
return is_null($mime) ? $mime : GSFile::mimetypeMinor($mime);
|
|
}
|
|
|
|
/**
|
|
* @return int
|
|
*/
|
|
public function livesIncrementAndGet(): int
|
|
{
|
|
++$this->lives;
|
|
return $this->lives;
|
|
}
|
|
|
|
/**
|
|
* @return int
|
|
*/
|
|
public function livesDecrementAndGet(): int
|
|
{
|
|
--$this->lives;
|
|
return $this->lives;
|
|
}
|
|
|
|
const FILEHASH_ALGO = 'sha256';
|
|
|
|
/**
|
|
* Delete a file if safe, removes dependencies, cleanups and flushes
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function kill(): bool
|
|
{
|
|
if ($this->livesDecrementAndGet() <= 0) {
|
|
return $this->delete();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Remove the respective file from disk
|
|
*/
|
|
public function deleteStorage(): bool
|
|
{
|
|
if (!is_null($filepath = $this->getPath())) {
|
|
if (file_exists($filepath)) {
|
|
if (@unlink($filepath) === false) {
|
|
// @codeCoverageIgnoreStart
|
|
Log::error("Failed deleting file for attachment with id={$this->getId()} at {$filepath}.");
|
|
return false;
|
|
// @codeCoverageIgnoreEnd
|
|
} else {
|
|
$this->setFilename(null);
|
|
$this->setSize(null);
|
|
// Important not to null neither width nor height
|
|
DB::persist($this);
|
|
DB::flush();
|
|
}
|
|
} else {
|
|
// @codeCoverageIgnoreStart
|
|
Log::warning("File for attachment with id={$this->getId()} at {$filepath} was already deleted when I was going to handle it.");
|
|
// @codeCoverageIgnoreEnd
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Attachment delete always removes dependencies, cleanups and flushes
|
|
*/
|
|
protected function delete(): bool
|
|
{
|
|
if ($this->getLives() > 0) {
|
|
// @codeCoverageIgnoreStart
|
|
Log::warning("Deleting file {$this->getId()} with {$this->getLives()} lives. Why are you killing it so young?");
|
|
// @codeCoverageIgnoreEnd
|
|
}
|
|
// Delete related files from storage
|
|
$files = [];
|
|
if (!is_null($filepath = $this->getPath())) {
|
|
$files[] = $filepath;
|
|
}
|
|
foreach ($this->getThumbnails() as $at) {
|
|
$files[] = $at->getPath();
|
|
$at->delete(flush: false);
|
|
}
|
|
DB::remove($this);
|
|
foreach ($files as $f) {
|
|
if (file_exists($f)) {
|
|
if (@unlink($f) === false) {
|
|
// @codeCoverageIgnoreStart
|
|
Log::error("Failed deleting file for attachment with id={$this->getId()} at {$f}.");
|
|
// @codeCoverageIgnoreEnd
|
|
}
|
|
} else {
|
|
// @codeCoverageIgnoreStart
|
|
Log::warning("File for attachment with id={$this->getId()} at {$f} was already deleted when I was going to handle it.");
|
|
// @codeCoverageIgnoreEnd
|
|
}
|
|
}
|
|
DB::flush();
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* TODO: Maybe this isn't the best way of handling titles
|
|
*
|
|
* @param null|Note $note
|
|
*
|
|
* @throws DuplicateFoundException
|
|
* @throws NotFoundException
|
|
* @throws ServerException
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getBestTitle(?Note $note = null): string
|
|
{
|
|
// If we have a note, then the best title is the title itself
|
|
if (!is_null(($note))) {
|
|
$title = Cache::get('attachment-title-' . $this->getId() . '-' . $note->getId(), function () use ($note) {
|
|
try {
|
|
$attachment_to_note = DB::findOneBy('attachment_to_note', [
|
|
'attachment_id' => $this->getId(),
|
|
'note_id' => $note->getId(),
|
|
]);
|
|
if (!is_null($attachment_to_note->getTitle())) {
|
|
return $attachment_to_note->getTitle();
|
|
}
|
|
} catch (NotFoundException) {
|
|
$title = null;
|
|
Event::handle('AttachmentGetBestTitle', [$this, $note, &$title]);
|
|
return $title;
|
|
}
|
|
return null;
|
|
});
|
|
if ($title != null) {
|
|
return $title;
|
|
}
|
|
}
|
|
// Else
|
|
if (!is_null($filename = $this->getFilename())) {
|
|
// A filename would do just as well
|
|
return $filename;
|
|
} else {
|
|
// Welp
|
|
return _m('Untitled attachment');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find all thumbnails associated with this attachment. Don't bother caching as this is not supposed to be a common operation
|
|
*/
|
|
public function getThumbnails()
|
|
{
|
|
return DB::findBy('attachment_thumbnail', ['attachment_id' => $this->id]);
|
|
}
|
|
|
|
public function getPath()
|
|
{
|
|
$filename = $this->getFilename();
|
|
return is_null($filename) ? null : Common::config('attachments', 'dir') . DIRECTORY_SEPARATOR . $filename;
|
|
}
|
|
|
|
public function getUrl()
|
|
{
|
|
return Router::url('attachment_view', ['id' => $this->getId()]);
|
|
}
|
|
|
|
public function getThumbnailUrl()
|
|
{
|
|
return Router::url('attachment_thumbnail', ['id' => $this->getId(), 'w' => Common::config('thumbnail', 'width'), 'h' => Common::config('thumbnail', 'height')]);
|
|
}
|
|
|
|
public static function schemaDef(): array
|
|
{
|
|
return [
|
|
'name' => 'attachment',
|
|
'fields' => [
|
|
'id' => ['type' => 'serial', 'not null' => true],
|
|
'lives' => ['type' => 'int', 'not null' => true, 'description' => 'RefCount'],
|
|
'filehash' => ['type' => 'varchar', 'length' => 64, 'description' => 'sha256 of the file contents, if the file is stored locally'],
|
|
'mimetype' => ['type' => 'varchar', 'length' => 255, 'description' => 'resource mime type 127+1+127 as per rfc6838#section-4.2'],
|
|
'filename' => ['type' => 'varchar', 'length' => 191, 'description' => 'file name of resource when available'],
|
|
'size' => ['type' => 'int', 'description' => 'size of resource when available'],
|
|
'width' => ['type' => 'int', 'description' => 'width in pixels, if it can be described as such and data is available'],
|
|
'height' => ['type' => 'int', 'description' => 'height in pixels, if it can be described as such and data is available'],
|
|
'modified' => ['type' => 'timestamp', 'not null' => true, 'default' => 'CURRENT_TIMESTAMP', 'description' => 'date this record was modified'],
|
|
],
|
|
'primary key' => ['id'],
|
|
'unique keys' => [
|
|
'attachment_filehash_uniq' => ['filehash'],
|
|
'attachment_filename_uniq' => ['filename'],
|
|
],
|
|
'indexes' => [
|
|
'file_filehash_idx' => ['filehash'],
|
|
],
|
|
];
|
|
}
|
|
}
|