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<?php
/**
* Old file in the oldimage table
*
* @file
* @ingroup FileRepo
*/
/**
* Class to represent a file in the oldimage table
*
* @ingroup FileRepo
*/
class OldLocalFile extends LocalFile {
var $requestedTime, $archive_name;
const CACHE_VERSION = 1;
const MAX_CACHE_ROWS = 20;
static function newFromTitle( $title, $repo, $time = null ) {
# The null default value is only here to avoid an E_STRICT
if ( $time === null ) {
throw new MWException( __METHOD__.' got null for $time parameter' );
}
return new self( $title, $repo, $time, null );
}
static function newFromArchiveName( $title, $repo, $archiveName ) {
return new self( $title, $repo, null, $archiveName );
}
static function newFromRow( $row, $repo ) {
$title = Title::makeTitle( NS_FILE, $row->oi_name );
$file = new self( $title, $repo, null, $row->oi_archive_name );
$file->loadFromRow( $row, 'oi_' );
return $file;
}
/**
* Create a OldLocalFile from a SHA-1 key
* Do not call this except from inside a repo class.
*
* @param $sha1 string base-36 SHA-1
* @param $repo LocalRepo
* @param string|bool $timestamp MW_timestamp (optional)
*
* @return bool|OldLocalFile
*/
static function newFromKey( $sha1, $repo, $timestamp = false ) {
$dbr = $repo->getSlaveDB();
$conds = array( 'oi_sha1' => $sha1 );
if ( $timestamp ) {
$conds['oi_timestamp'] = $dbr->timestamp( $timestamp );
}
$row = $dbr->selectRow( 'oldimage', self::selectFields(), $conds, __METHOD__ );
if ( $row ) {
return self::newFromRow( $row, $repo );
} else {
return false;
}
}
/**
* Fields in the oldimage table
*/
static function selectFields() {
return array(
'oi_name',
'oi_archive_name',
'oi_size',
'oi_width',
'oi_height',
'oi_metadata',
'oi_bits',
'oi_media_type',
'oi_major_mime',
'oi_minor_mime',
'oi_description',
'oi_user',
'oi_user_text',
'oi_timestamp',
'oi_deleted',
'oi_sha1',
);
}
/**
* @param $title Title
* @param $repo FileRepo
* @param $time String: timestamp or null to load by archive name
* @param $archiveName String: archive name or null to load by timestamp
*/
function __construct( $title, $repo, $time, $archiveName ) {
parent::__construct( $title, $repo );
$this->requestedTime = $time;
$this->archive_name = $archiveName;
if ( is_null( $time ) && is_null( $archiveName ) ) {
throw new MWException( __METHOD__.': must specify at least one of $time or $archiveName' );
}
}
function getCacheKey() {
return false;
}
function getArchiveName() {
if ( !isset( $this->archive_name ) ) {
$this->load();
}
return $this->archive_name;
}
function isOld() {
return true;
}
function isVisible() {
return $this->exists() && !$this->isDeleted(File::DELETED_FILE);
}
function loadFromDB() {
wfProfileIn( __METHOD__ );
$this->dataLoaded = true;
$dbr = $this->repo->getSlaveDB();
$conds = array( 'oi_name' => $this->getName() );
if ( is_null( $this->requestedTime ) ) {
$conds['oi_archive_name'] = $this->archive_name;
} else {
$conds[] = 'oi_timestamp = ' . $dbr->addQuotes( $dbr->timestamp( $this->requestedTime ) );
}
$row = $dbr->selectRow( 'oldimage', $this->getCacheFields( 'oi_' ),
$conds, __METHOD__, array( 'ORDER BY' => 'oi_timestamp DESC' ) );
if ( $row ) {
$this->loadFromRow( $row, 'oi_' );
} else {
$this->fileExists = false;
}
wfProfileOut( __METHOD__ );
}
function getCacheFields( $prefix = 'img_' ) {
$fields = parent::getCacheFields( $prefix );
$fields[] = $prefix . 'archive_name';
$fields[] = $prefix . 'deleted';
return $fields;
}
function getRel() {
return 'archive/' . $this->getHashPath() . $this->getArchiveName();
}
function getUrlRel() {
return 'archive/' . $this->getHashPath() . rawurlencode( $this->getArchiveName() );
}
function upgradeRow() {
wfProfileIn( __METHOD__ );
$this->loadFromFile();
# Don't destroy file info of missing files
if ( !$this->fileExists ) {
wfDebug( __METHOD__.": file does not exist, aborting\n" );
wfProfileOut( __METHOD__ );
return;
}
$dbw = $this->repo->getMasterDB();
list( $major, $minor ) = self::splitMime( $this->mime );
wfDebug(__METHOD__.': upgrading '.$this->archive_name." to the current schema\n");
$dbw->update( 'oldimage',
array(
'oi_width' => $this->width,
'oi_height' => $this->height,
'oi_bits' => $this->bits,
'oi_media_type' => $this->media_type,
'oi_major_mime' => $major,
'oi_minor_mime' => $minor,
'oi_metadata' => $this->metadata,
'oi_sha1' => $this->sha1,
), array(
'oi_name' => $this->getName(),
'oi_archive_name' => $this->archive_name ),
__METHOD__
);
wfProfileOut( __METHOD__ );
}
/**
* @param $field Integer: one of DELETED_* bitfield constants
* for file or revision rows
* @return bool
*/
function isDeleted( $field ) {
$this->load();
return ($this->deleted & $field) == $field;
}
/**
* Returns bitfield value
* @return int
*/
function getVisibility() {
$this->load();
return (int)$this->deleted;
}
/**
* Determine if the current user is allowed to view a particular
* field of this image file, if it's marked as deleted.
*
* @param $field Integer
* @return bool
*/
function userCan( $field ) {
$this->load();
return Revision::userCanBitfield( $this->deleted, $field );
}
/**
* Upload a file directly into archive. Generally for Special:Import.
*
* @param $srcPath string File system path of the source file
* @param $archiveName string Full archive name of the file, in the form
* $timestamp!$filename, where $filename must match $this->getName()
*
* @return FileRepoStatus
*/
function uploadOld( $srcPath, $archiveName, $timestamp, $comment, $user, $flags = 0 ) {
$this->lock();
$dstRel = 'archive/' . $this->getHashPath() . $archiveName;
$status = $this->publishTo( $srcPath, $dstRel,
$flags & File::DELETE_SOURCE ? FileRepo::DELETE_SOURCE : 0
);
if ( $status->isGood() ) {
if ( !$this->recordOldUpload( $srcPath, $archiveName, $timestamp, $comment, $user ) ) {
$status->fatal( 'filenotfound', $srcPath );
}
}
$this->unlock();
return $status;
}
/**
* Record a file upload in the oldimage table, without adding log entries.
*
* @param $srcPath string File system path to the source file
* @param $archiveName string The archive name of the file
* @param $comment string Upload comment
* @param $user User User who did this upload
* @return bool
*/
function recordOldUpload( $srcPath, $archiveName, $timestamp, $comment, $user ) {
$dbw = $this->repo->getMasterDB();
$dbw->begin();
$dstPath = $this->repo->getZonePath( 'public' ) . '/' . $this->getRel();
$props = self::getPropsFromPath( $dstPath );
if ( !$props['fileExists'] ) {
return false;
}
$dbw->insert( 'oldimage',
array(
'oi_name' => $this->getName(),
'oi_archive_name' => $archiveName,
'oi_size' => $props['size'],
'oi_width' => intval( $props['width'] ),
'oi_height' => intval( $props['height'] ),
'oi_bits' => $props['bits'],
'oi_timestamp' => $dbw->timestamp( $timestamp ),
'oi_description' => $comment,
'oi_user' => $user->getId(),
'oi_user_text' => $user->getName(),
'oi_metadata' => $props['metadata'],
'oi_media_type' => $props['media_type'],
'oi_major_mime' => $props['major_mime'],
'oi_minor_mime' => $props['minor_mime'],
'oi_sha1' => $props['sha1'],
), __METHOD__
);
$dbw->commit();
return true;
}
}