* @ingroup Media
*/
/**
* File deletion user interface
*
* @ingroup Media
*/
class FileDeleteForm {
/**
* @var Title
*/
private $title = null;
/**
* @var File
*/
private $file = null;
/**
* @var File
*/
private $oldfile = null;
private $oldimage = '';
/**
* Constructor
*
* @param File $file File object we're deleting
*/
public function __construct( $file ) {
$this->title = $file->getTitle();
$this->file = $file;
}
/**
* Fulfil the request; shows the form or deletes the file,
* pending authentication, confirmation, etc.
*/
public function execute() {
global $wgOut, $wgRequest, $wgUser, $wgUploadMaintenance;
$permissionErrors = $this->title->getUserPermissionsErrors( 'delete', $wgUser );
if ( count( $permissionErrors ) ) {
throw new PermissionsError( 'delete', $permissionErrors );
}
if ( wfReadOnly() ) {
throw new ReadOnlyError;
}
if ( $wgUploadMaintenance ) {
throw new ErrorPageError( 'filedelete-maintenance-title', 'filedelete-maintenance' );
}
$this->setHeaders();
$this->oldimage = $wgRequest->getText( 'oldimage', false );
$token = $wgRequest->getText( 'wpEditToken' );
# Flag to hide all contents of the archived revisions
$suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' );
if ( $this->oldimage ) {
$this->oldfile = RepoGroup::singleton()->getLocalRepo()->newFromArchiveName(
$this->title,
$this->oldimage
);
}
if ( !self::haveDeletableFile( $this->file, $this->oldfile, $this->oldimage ) ) {
$wgOut->addHTML( $this->prepareMessage( 'filedelete-nofile' ) );
$wgOut->addReturnTo( $this->title );
return;
}
// Perform the deletion if appropriate
if ( $wgRequest->wasPosted() && $wgUser->matchEditToken( $token, $this->oldimage ) ) {
$deleteReasonList = $wgRequest->getText( 'wpDeleteReasonList' );
$deleteReason = $wgRequest->getText( 'wpReason' );
if ( $deleteReasonList == 'other' ) {
$reason = $deleteReason;
} elseif ( $deleteReason != '' ) {
// Entry from drop down menu + additional comment
$reason = $deleteReasonList . wfMessage( 'colon-separator' )
->inContentLanguage()->text() . $deleteReason;
} else {
$reason = $deleteReasonList;
}
$status = self::doDelete(
$this->title,
$this->file,
$this->oldimage,
$reason,
$suppress,
$wgUser
);
if ( !$status->isGood() ) {
$wgOut->addHTML( '' . $this->prepareMessage( 'filedeleteerror-short' ) . "
\n" );
$wgOut->addWikiText( '' .
$status->getWikiText( 'filedeleteerror-short', 'filedeleteerror-long' )
. '
' );
}
if ( $status->ok ) {
$wgOut->setPageTitle( wfMessage( 'actioncomplete' ) );
$wgOut->addHTML( $this->prepareMessage( 'filedelete-success' ) );
// Return to the main page if we just deleted all versions of the
// file, otherwise go back to the description page
$wgOut->addReturnTo( $this->oldimage ? $this->title : Title::newMainPage() );
WatchAction::doWatchOrUnwatch( $wgRequest->getCheck( 'wpWatch' ), $this->title, $wgUser );
}
return;
}
$this->showForm();
$this->showLogEntries();
}
/**
* Really delete the file
*
* @param Title $title
* @param File $file
* @param string $oldimage Archive name
* @param string $reason Reason of the deletion
* @param bool $suppress Whether to mark all deleted versions as restricted
* @param User $user User object performing the request
* @throws MWException
* @return bool|Status
*/
public static function doDelete( &$title, &$file, &$oldimage, $reason,
$suppress, User $user = null
) {
if ( $user === null ) {
global $wgUser;
$user = $wgUser;
}
if ( $oldimage ) {
$page = null;
$status = $file->deleteOld( $oldimage, $reason, $suppress, $user );
if ( $status->ok ) {
// Need to do a log item
$logComment = wfMessage( 'deletedrevision', $oldimage )->inContentLanguage()->text();
if ( trim( $reason ) != '' ) {
$logComment .= wfMessage( 'colon-separator' )
->inContentLanguage()->text() . $reason;
}
$logtype = $suppress ? 'suppress' : 'delete';
$logEntry = new ManualLogEntry( $logtype, 'delete' );
$logEntry->setPerformer( $user );
$logEntry->setTarget( $title );
$logEntry->setComment( $logComment );
$logid = $logEntry->insert();
$logEntry->publish( $logid );
}
} else {
$status = Status::newFatal( 'cannotdelete',
wfEscapeWikiText( $title->getPrefixedText() )
);
$page = WikiPage::factory( $title );
$dbw = wfGetDB( DB_MASTER );
try {
// delete the associated article first
$error = '';
$deleteStatus = $page->doDeleteArticleReal( $reason, $suppress, 0, false, $error, $user );
// doDeleteArticleReal() returns a non-fatal error status if the page
// or revision is missing, so check for isOK() rather than isGood()
if ( $deleteStatus->isOK() ) {
$status = $file->delete( $reason, $suppress, $user );
if ( $status->isOK() ) {
$dbw->commit( __METHOD__ );
} else {
$dbw->rollback( __METHOD__ );
}
}
} catch ( Exception $e ) {
// Rollback before returning to prevent UI from displaying
// incorrect "View or restore N deleted edits?"
$dbw->rollback( __METHOD__ );
throw $e;
}
}
if ( $status->isOK() ) {
Hooks::run( 'FileDeleteComplete', array( &$file, &$oldimage, &$page, &$user, &$reason ) );
}
return $status;
}
/**
* Show the confirmation form
*/
private function showForm() {
global $wgOut, $wgUser, $wgRequest;
if ( $wgUser->isAllowed( 'suppressrevision' ) ) {
$suppress = "
|
" .
Xml::checkLabel( wfMessage( 'revdelete-suppress' )->text(),
'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '3' ) ) .
" |
";
} else {
$suppress = '';
}
$checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) || $wgUser->isWatched( $this->title );
$form = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getAction(),
'id' => 'mw-img-deleteconfirm' ) ) .
Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', null, wfMessage( 'filedelete-legend' )->text() ) .
Html::hidden( 'wpEditToken', $wgUser->getEditToken( $this->oldimage ) ) .
$this->prepareMessage( 'filedelete-intro' ) .
Xml::openElement( 'table', array( 'id' => 'mw-img-deleteconfirm-table' ) ) .
"
| " .
Xml::label( wfMessage( 'filedelete-comment' )->text(), 'wpDeleteReasonList' ) .
" |
" .
Xml::listDropDown(
'wpDeleteReasonList',
wfMessage( 'filedelete-reason-dropdown' )->inContentLanguage()->text(),
wfMessage( 'filedelete-reason-otherlist' )->inContentLanguage()->text(),
'',
'wpReasonDropDown',
1
) .
" |
| " .
Xml::label( wfMessage( 'filedelete-otherreason' )->text(), 'wpReason' ) .
" |
" .
Xml::input( 'wpReason', 60, $wgRequest->getText( 'wpReason' ),
array( 'type' => 'text', 'maxlength' => '255', 'tabindex' => '2', 'id' => 'wpReason' ) ) .
" |
{$suppress}";
if ( $wgUser->isLoggedIn() ) {
$form .= "
|
" .
Xml::checkLabel( wfMessage( 'watchthis' )->text(),
'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
" |
";
}
$form .= "
|
" .
Xml::submitButton(
wfMessage( 'filedelete-submit' )->text(),
array(
'name' => 'mw-filedelete-submit',
'id' => 'mw-filedelete-submit',
'tabindex' => '4'
)
) .
" |
" .
Xml::closeElement( 'table' ) .
Xml::closeElement( 'fieldset' ) .
Xml::closeElement( 'form' );
if ( $wgUser->isAllowed( 'editinterface' ) ) {
$title = Title::makeTitle( NS_MEDIAWIKI, 'Filedelete-reason-dropdown' );
$link = Linker::link(
$title,
wfMessage( 'filedelete-edit-reasonlist' )->escaped(),
array(),
array( 'action' => 'edit' )
);
$form .= '' . $link . '
';
}
$wgOut->addHTML( $form );
}
/**
* Show deletion log fragments pertaining to the current file
*/
private function showLogEntries() {
global $wgOut;
$deleteLogPage = new LogPage( 'delete' );
$wgOut->addHTML( '' . $deleteLogPage->getName()->escaped() . "
\n" );
LogEventsList::showLogExtract( $wgOut, 'delete', $this->title );
}
/**
* Prepare a message referring to the file being deleted,
* showing an appropriate message depending upon whether
* it's a current file or an old version
*
* @param string $message Message base
* @return string
*/
private function prepareMessage( $message ) {
global $wgLang;
if ( $this->oldimage ) {
# Message keys used:
# 'filedelete-intro-old', 'filedelete-nofile-old', 'filedelete-success-old'
return wfMessage(
"{$message}-old",
wfEscapeWikiText( $this->title->getText() ),
$wgLang->date( $this->getTimestamp(), true ),
$wgLang->time( $this->getTimestamp(), true ),
wfExpandUrl( $this->file->getArchiveUrl( $this->oldimage ), PROTO_CURRENT ) )->parseAsBlock();
} else {
return wfMessage(
$message,
wfEscapeWikiText( $this->title->getText() )
)->parseAsBlock();
}
}
/**
* Set headers, titles and other bits
*/
private function setHeaders() {
global $wgOut;
$wgOut->setPageTitle( wfMessage( 'filedelete', $this->title->getText() ) );
$wgOut->setRobotPolicy( 'noindex,nofollow' );
$wgOut->addBacklinkSubtitle( $this->title );
}
/**
* Is the provided `oldimage` value valid?
*
* @param string $oldimage
* @return bool
*/
public static function isValidOldSpec( $oldimage ) {
return strlen( $oldimage ) >= 16
&& strpos( $oldimage, '/' ) === false
&& strpos( $oldimage, '\\' ) === false;
}
/**
* Could we delete the file specified? If an `oldimage`
* value was provided, does it correspond to an
* existing, local, old version of this file?
*
* @param File $file
* @param File $oldfile
* @param File $oldimage
* @return bool
*/
public static function haveDeletableFile( &$file, &$oldfile, $oldimage ) {
return $oldimage
? $oldfile && $oldfile->exists() && $oldfile->isLocal()
: $file && $file->exists() && $file->isLocal();
}
/**
* Prepare the form action
*
* @return string
*/
private function getAction() {
$q = array();
$q['action'] = 'delete';
if ( $this->oldimage ) {
$q['oldimage'] = $this->oldimage;
}
return $this->title->getLocalURL( $q );
}
/**
* Extract the timestamp of the old version
*
* @return string
*/
private function getTimestamp() {
return $this->oldfile->getTimestamp();
}
}