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gnu-social/src/Entity/Attachment.php

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<?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\DB\DB;
use App\Core\Entity;
use App\Core\GSFile;
use App\Core\Log;
use App\Util\Common;
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>
* @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 ?string $remote_url;
private ?string $remote_url_hash;
private ?string $file_hash;
private ?int $gsactor_id;
private ?string $mimetype;
private ?string $title;
private ?string $filename;
private ?bool $is_local;
private ?int $source;
private ?int $scope;
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;
}
public function setRemoteUrl(?string $remote_url): self
{
$this->remote_url = $remote_url;
return $this;
}
public function getRemoteUrl(): ?string
{
return $this->remote_url;
}
public function setRemoteUrlHash(?string $remote_url_hash): self
{
$this->remote_url_hash = $remote_url_hash;
return $this;
}
public function getRemoteUrlHash(): ?string
{
return $this->remote_url_hash;
}
public function setFileHash(?string $file_hash): self
{
$this->file_hash = $file_hash;
return $this;
}
public function getFileHash(): ?string
{
return $this->file_hash;
}
public function setGSActorId(?int $gsactor_id): self
{
$this->gsactor_id = $gsactor_id;
return $this;
}
public function getGSActorId(): ?int
{
return $this->gsactor_id;
}
public function setMimetype(?string $mimetype): self
{
$this->mimetype = $mimetype;
return $this;
}
public function getMimetype(): ?string
{
return $this->mimetype;
}
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);
}
public function setTitle(?string $title): self
{
$this->title = $title;
return $this;
}
public function getTitle(): ?string
{
return $this->title;
}
public function setFilename(?string $filename): self
{
$this->filename = $filename;
return $this;
}
public function getFilename(): ?string
{
return $this->filename;
}
public function setIsLocal(?bool $is_local): self
{
$this->is_local = $is_local;
return $this;
}
public function getIsLocal(): ?bool
{
return $this->is_local;
}
public function setSource(?int $source): self
{
$this->source = $source;
return $this;
}
public function getSource(): ?int
{
return $this->source;
}
public function setScope(?int $scope): self
{
$this->scope = $scope;
return $this;
}
public function getScope(): ?int
{
return $this->scope;
}
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
const URLHASH_ALGO = 'sha256';
const FILEHASH_ALGO = 'sha256';
/**
* Delete this attachment and optianlly all the associated entities (avatar and/or thumbnails, which this owns)
*/
public function delete(bool $cascade = true, bool $flush = true): void
{
$files = [];
if ($cascade) {
// An avatar can own a file, and it becomes invalid if the file is deleted
$avatar = DB::findBy('avatar', ['attachment_id' => $this->id]);
foreach ($avatar as $a) {
$files[] = $a->getPath();
$a->delete(cascade: false, flush: false);
}
foreach ($this->getThumbnails() as $at) {
$files[] = $at->getPath();
$at->delete(flush: false);
}
}
$files[] = $this->getPath();
DB::remove($this);
if ($flush) {
DB::flush();
}
foreach ($files as $f) {
if (file_exists($f)) {
if (@unlink($f) === false) {
Log::warning("Failed deleting file for attachment with id={$this->id} at {$f}");
}
}
}
}
/**
* 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()
{
return Common::config('attachments', 'dir') . $this->getFilename();
}
public function getAttachmentUrl()
{
return Router::url('attachment_thumbnail', ['id' => $this->getAttachmentId(), 'w' => Common::config('attachment', 'width'), 'h' => Common::config('attachment', 'height')]);
}
public static function schemaDef(): array
{
return [
'name' => 'attachment',
'fields' => [
'id' => ['type' => 'serial', 'not null' => true],
'remote_url' => ['type' => 'text', 'description' => 'URL after following possible redirections'],
'remote_url_hash' => ['type' => 'varchar', 'length' => 64, 'description' => 'sha256 of destination URL (url field)'],
'file_hash' => ['type' => 'varchar', 'length' => 64, 'description' => 'sha256 of the file contents, if the file is stored locally'],
'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)'],
'mimetype' => ['type' => 'varchar', 'length' => 50, 'description' => 'mime type of resource'],
'title' => ['type' => 'text', 'description' => 'title of resource when available'],
'filename' => ['type' => 'varchar', 'length' => 191, 'description' => 'file name of resource when available'],
'is_local' => ['type' => 'bool', 'description' => 'whether the file is stored locally'],
'source' => ['type' => 'int', 'default' => null, 'description' => 'Source of the Attachment (upload, TFN, embed)'],
'scope' => ['type' => 'int', 'default' => null, 'description' => 'visibility scope for this attachment'],
'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_file_hash_uniq' => ['file_hash'],
],
'indexes' => [
'file_filehash_idx' => ['file_hash'],
],
];
}
}
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