mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
509 lines
10 KiB
PHP
509 lines
10 KiB
PHP
<?php
|
|
/**
|
|
* Deleted file in the 'filearchive' table.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
* http://www.gnu.org/copyleft/gpl.html
|
|
*
|
|
* @file
|
|
* @ingroup FileAbstraction
|
|
*/
|
|
|
|
/**
|
|
* Class representing a row of the 'filearchive' table
|
|
*
|
|
* @ingroup FileAbstraction
|
|
*/
|
|
class ArchivedFile {
|
|
/**#@+
|
|
* @private
|
|
*/
|
|
var $id, # filearchive row ID
|
|
$name, # image name
|
|
$group, # FileStore storage group
|
|
$key, # FileStore sha1 key
|
|
$size, # file dimensions
|
|
$bits, # size in bytes
|
|
$width, # width
|
|
$height, # height
|
|
$metadata, # metadata string
|
|
$mime, # mime type
|
|
$media_type, # media type
|
|
$description, # upload description
|
|
$user, # user ID of uploader
|
|
$user_text, # user name of uploader
|
|
$timestamp, # time of upload
|
|
$dataLoaded, # Whether or not all this has been loaded from the database (loadFromXxx)
|
|
$deleted, # Bitfield akin to rev_deleted
|
|
$sha1, # sha1 hash of file content
|
|
$pageCount,
|
|
$archive_name;
|
|
|
|
/**
|
|
* @var MediaHandler
|
|
*/
|
|
var $handler;
|
|
/**
|
|
* @var Title
|
|
*/
|
|
var $title; # image title
|
|
|
|
/**#@-*/
|
|
|
|
/**
|
|
* @throws MWException
|
|
* @param Title $title
|
|
* @param int $id
|
|
* @param string $key
|
|
*/
|
|
function __construct( $title, $id = 0, $key = '' ) {
|
|
$this->id = -1;
|
|
$this->title = false;
|
|
$this->name = false;
|
|
$this->group = 'deleted'; // needed for direct use of constructor
|
|
$this->key = '';
|
|
$this->size = 0;
|
|
$this->bits = 0;
|
|
$this->width = 0;
|
|
$this->height = 0;
|
|
$this->metadata = '';
|
|
$this->mime = "unknown/unknown";
|
|
$this->media_type = '';
|
|
$this->description = '';
|
|
$this->user = 0;
|
|
$this->user_text = '';
|
|
$this->timestamp = null;
|
|
$this->deleted = 0;
|
|
$this->dataLoaded = false;
|
|
$this->exists = false;
|
|
$this->sha1 = '';
|
|
|
|
if ( $title instanceof Title ) {
|
|
$this->title = File::normalizeTitle( $title, 'exception' );
|
|
$this->name = $title->getDBkey();
|
|
}
|
|
|
|
if ( $id ) {
|
|
$this->id = $id;
|
|
}
|
|
|
|
if ( $key ) {
|
|
$this->key = $key;
|
|
}
|
|
|
|
if ( !$id && !$key && !( $title instanceof Title ) ) {
|
|
throw new MWException( "No specifications provided to ArchivedFile constructor." );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads a file object from the filearchive table
|
|
* @throws MWException
|
|
* @return bool|null True on success or null
|
|
*/
|
|
public function load() {
|
|
if ( $this->dataLoaded ) {
|
|
return true;
|
|
}
|
|
$conds = array();
|
|
|
|
if ( $this->id > 0 ) {
|
|
$conds['fa_id'] = $this->id;
|
|
}
|
|
if ( $this->key ) {
|
|
$conds['fa_storage_group'] = $this->group;
|
|
$conds['fa_storage_key'] = $this->key;
|
|
}
|
|
if ( $this->title ) {
|
|
$conds['fa_name'] = $this->title->getDBkey();
|
|
}
|
|
|
|
if ( !count( $conds ) ) {
|
|
throw new MWException( "No specific information for retrieving archived file" );
|
|
}
|
|
|
|
if ( !$this->title || $this->title->getNamespace() == NS_FILE ) {
|
|
$this->dataLoaded = true; // set it here, to have also true on miss
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$row = $dbr->selectRow(
|
|
'filearchive',
|
|
self::selectFields(),
|
|
$conds,
|
|
__METHOD__,
|
|
array( 'ORDER BY' => 'fa_timestamp DESC' )
|
|
);
|
|
if ( !$row ) {
|
|
// this revision does not exist?
|
|
return null;
|
|
}
|
|
|
|
// initialize fields for filestore image object
|
|
$this->loadFromRow( $row );
|
|
} else {
|
|
throw new MWException( 'This title does not correspond to an image page.' );
|
|
}
|
|
$this->exists = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Loads a file object from the filearchive table
|
|
*
|
|
* @param $row
|
|
*
|
|
* @return ArchivedFile
|
|
*/
|
|
public static function newFromRow( $row ) {
|
|
$file = new ArchivedFile( Title::makeTitle( NS_FILE, $row->fa_name ) );
|
|
$file->loadFromRow( $row );
|
|
return $file;
|
|
}
|
|
|
|
/**
|
|
* Fields in the filearchive table
|
|
* @return array
|
|
*/
|
|
static function selectFields() {
|
|
return array(
|
|
'fa_id',
|
|
'fa_name',
|
|
'fa_archive_name',
|
|
'fa_storage_key',
|
|
'fa_storage_group',
|
|
'fa_size',
|
|
'fa_bits',
|
|
'fa_width',
|
|
'fa_height',
|
|
'fa_metadata',
|
|
'fa_media_type',
|
|
'fa_major_mime',
|
|
'fa_minor_mime',
|
|
'fa_description',
|
|
'fa_user',
|
|
'fa_user_text',
|
|
'fa_timestamp',
|
|
'fa_deleted',
|
|
'fa_deleted_timestamp', /* Used by LocalFileRestoreBatch */
|
|
'fa_sha1',
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Load ArchivedFile object fields from a DB row.
|
|
*
|
|
* @param $row Object database row
|
|
* @since 1.21
|
|
*/
|
|
public function loadFromRow( $row ) {
|
|
$this->id = intval( $row->fa_id );
|
|
$this->name = $row->fa_name;
|
|
$this->archive_name = $row->fa_archive_name;
|
|
$this->group = $row->fa_storage_group;
|
|
$this->key = $row->fa_storage_key;
|
|
$this->size = $row->fa_size;
|
|
$this->bits = $row->fa_bits;
|
|
$this->width = $row->fa_width;
|
|
$this->height = $row->fa_height;
|
|
$this->metadata = $row->fa_metadata;
|
|
$this->mime = "$row->fa_major_mime/$row->fa_minor_mime";
|
|
$this->media_type = $row->fa_media_type;
|
|
$this->description = $row->fa_description;
|
|
$this->user = $row->fa_user;
|
|
$this->user_text = $row->fa_user_text;
|
|
$this->timestamp = $row->fa_timestamp;
|
|
$this->deleted = $row->fa_deleted;
|
|
if ( isset( $row->fa_sha1 ) ) {
|
|
$this->sha1 = $row->fa_sha1;
|
|
} else {
|
|
// old row, populate from key
|
|
$this->sha1 = LocalRepo::getHashFromKey( $this->key );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the associated title object
|
|
*
|
|
* @return Title
|
|
*/
|
|
public function getTitle() {
|
|
return $this->title;
|
|
}
|
|
|
|
/**
|
|
* Return the file name
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName() {
|
|
return $this->name;
|
|
}
|
|
|
|
/**
|
|
* @return int
|
|
*/
|
|
public function getID() {
|
|
$this->load();
|
|
return $this->id;
|
|
}
|
|
|
|
/**
|
|
* @return bool
|
|
*/
|
|
public function exists() {
|
|
$this->load();
|
|
return $this->exists;
|
|
}
|
|
|
|
/**
|
|
* Return the FileStore key
|
|
* @return string
|
|
*/
|
|
public function getKey() {
|
|
$this->load();
|
|
return $this->key;
|
|
}
|
|
|
|
/**
|
|
* Return the FileStore key (overriding base File class)
|
|
* @return string
|
|
*/
|
|
public function getStorageKey() {
|
|
return $this->getKey();
|
|
}
|
|
|
|
/**
|
|
* Return the FileStore storage group
|
|
* @return string
|
|
*/
|
|
public function getGroup() {
|
|
return $this->group;
|
|
}
|
|
|
|
/**
|
|
* Return the width of the image
|
|
* @return int
|
|
*/
|
|
public function getWidth() {
|
|
$this->load();
|
|
return $this->width;
|
|
}
|
|
|
|
/**
|
|
* Return the height of the image
|
|
* @return int
|
|
*/
|
|
public function getHeight() {
|
|
$this->load();
|
|
return $this->height;
|
|
}
|
|
|
|
/**
|
|
* Get handler-specific metadata
|
|
* @return string
|
|
*/
|
|
public function getMetadata() {
|
|
$this->load();
|
|
return $this->metadata;
|
|
}
|
|
|
|
/**
|
|
* Return the size of the image file, in bytes
|
|
* @return int
|
|
*/
|
|
public function getSize() {
|
|
$this->load();
|
|
return $this->size;
|
|
}
|
|
|
|
/**
|
|
* Return the bits of the image file, in bytes
|
|
* @return int
|
|
*/
|
|
public function getBits() {
|
|
$this->load();
|
|
return $this->bits;
|
|
}
|
|
|
|
/**
|
|
* Returns the mime type of the file.
|
|
* @return string
|
|
*/
|
|
public function getMimeType() {
|
|
$this->load();
|
|
return $this->mime;
|
|
}
|
|
|
|
/**
|
|
* Get a MediaHandler instance for this file
|
|
* @return MediaHandler
|
|
*/
|
|
function getHandler() {
|
|
if ( !isset( $this->handler ) ) {
|
|
$this->handler = MediaHandler::getHandler( $this->getMimeType() );
|
|
}
|
|
return $this->handler;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of pages of a multipage document, or false for
|
|
* documents which aren't multipage documents
|
|
*/
|
|
function pageCount() {
|
|
if ( !isset( $this->pageCount ) ) {
|
|
if ( $this->getHandler() && $this->handler->isMultiPage( $this ) ) {
|
|
$this->pageCount = $this->handler->pageCount( $this );
|
|
} else {
|
|
$this->pageCount = false;
|
|
}
|
|
}
|
|
return $this->pageCount;
|
|
}
|
|
|
|
/**
|
|
* Return the type of the media in the file.
|
|
* Use the value returned by this function with the MEDIATYPE_xxx constants.
|
|
* @return string
|
|
*/
|
|
public function getMediaType() {
|
|
$this->load();
|
|
return $this->media_type;
|
|
}
|
|
|
|
/**
|
|
* Return upload timestamp.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getTimestamp() {
|
|
$this->load();
|
|
return wfTimestamp( TS_MW, $this->timestamp );
|
|
}
|
|
|
|
/**
|
|
* Get the SHA-1 base 36 hash of the file
|
|
*
|
|
* @return string
|
|
* @since 1.21
|
|
*/
|
|
function getSha1() {
|
|
$this->load();
|
|
return $this->sha1;
|
|
}
|
|
|
|
/**
|
|
* Return the user ID of the uploader.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getUser() {
|
|
$this->load();
|
|
if ( $this->isDeleted( File::DELETED_USER ) ) {
|
|
return 0;
|
|
} else {
|
|
return $this->user;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the user name of the uploader.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getUserText() {
|
|
$this->load();
|
|
if ( $this->isDeleted( File::DELETED_USER ) ) {
|
|
return 0;
|
|
} else {
|
|
return $this->user_text;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return upload description.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getDescription() {
|
|
$this->load();
|
|
if ( $this->isDeleted( File::DELETED_COMMENT ) ) {
|
|
return 0;
|
|
} else {
|
|
return $this->description;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the user ID of the uploader.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function getRawUser() {
|
|
$this->load();
|
|
return $this->user;
|
|
}
|
|
|
|
/**
|
|
* Return the user name of the uploader.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getRawUserText() {
|
|
$this->load();
|
|
return $this->user_text;
|
|
}
|
|
|
|
/**
|
|
* Return upload description.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getRawDescription() {
|
|
$this->load();
|
|
return $this->description;
|
|
}
|
|
|
|
/**
|
|
* Returns the deletion bitfield
|
|
* @return int
|
|
*/
|
|
public function getVisibility() {
|
|
$this->load();
|
|
return $this->deleted;
|
|
}
|
|
|
|
/**
|
|
* for file or revision rows
|
|
*
|
|
* @param $field Integer: one of DELETED_* bitfield constants
|
|
* @return bool
|
|
*/
|
|
public function isDeleted( $field ) {
|
|
$this->load();
|
|
return ( $this->deleted & $field ) == $field;
|
|
}
|
|
|
|
/**
|
|
* Determine if the current user is allowed to view a particular
|
|
* field of this FileStore image file, if it's marked as deleted.
|
|
* @param $field Integer
|
|
* @param $user User object to check, or null to use $wgUser
|
|
* @return bool
|
|
*/
|
|
public function userCan( $field, User $user = null ) {
|
|
$this->load();
|
|
return Revision::userCanBitfield( $this->deleted, $field, $user );
|
|
}
|
|
}
|