*/
class FileDeleteForm {
private $title = null;
private $file = null;
private $oldfile = null;
private $oldimage = '';
/**
* Constructor
*
* @param File $file File 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;
$this->setHeaders();
if( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
} elseif( !$wgUser->isLoggedIn() ) {
$wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
return;
} elseif( !$wgUser->isAllowed( 'delete' ) ) {
$wgOut->permissionRequired( 'delete' );
return;
} elseif( $wgUser->isBlocked() ) {
$wgOut->blockedPage();
return;
}
$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('deleterevision');
if( $this->oldimage && !$this->isValidOldSpec() ) {
$wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars( $this->oldimage ) );
return;
}
if( $this->oldimage )
$this->oldfile = RepoGroup::singleton()->getLocalRepo()->newFromArchiveName( $this->title, $this->oldimage );
if( !$this->haveDeletableFile() ) {
$wgOut->addHtml( $this->prepareMessage( 'filedelete-nofile' ) );
$wgOut->addReturnTo( $this->title );
return;
}
// Perform the deletion if appropriate
if( $wgRequest->wasPosted() && $wgUser->matchEditToken( $token, $this->oldimage ) ) {
$this->DeleteReasonList = $wgRequest->getText( 'wpDeleteReasonList' );
$this->DeleteReason = $wgRequest->getText( 'wpReason' );
$reason = $this->DeleteReasonList;
if ( $reason != 'other' && $this->DeleteReason != '') {
// Entry from drop down menu + additional comment
$reason .= ': ' . $this->DeleteReason;
} elseif ( $reason == 'other' ) {
$reason = $this->DeleteReason;
}
$article = null;
if( $this->oldimage ) {
$status = $this->file->deleteOld( $this->oldimage, $reason, $suppress );
if( $status->ok ) {
// Need to do a log item
$log = new LogPage( 'delete' );
$logComment = wfMsgForContent( 'deletedrevision', $this->oldimage );
if( trim( $reason ) != '' )
$logComment .= ": {$reason}";
$log->addEntry( 'delete', $this->title, $logComment );
}
} else {
$status = $this->file->delete( $reason, $suppress );
if( $status->ok ) {
// Need to delete the associated article
$article = new Article( $this->title );
$article->doDeleteArticle( $reason, $suppress );
}
}
if( $status->isGood() ) wfRunHooks('FileDeleteComplete', array(
&$this->file, &$this->oldimage, &$article, &$wgUser, &$reason));
if( !$status->isGood() )
$wgOut->addWikiText( $status->getWikiText( 'filedeleteerror-short', 'filedeleteerror-long' ) );
if( $status->ok ) {
$wgOut->setPagetitle( wfMsg( '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() );
}
return;
}
$this->showForm();
$this->showLogEntries();
}
/**
* Show the confirmation form
*/
private function showForm() {
global $wgOut, $wgUser, $wgRequest, $wgContLang;
$align = $wgContLang->isRtl() ? 'left' : 'right';
if( $wgUser->isAllowed( 'deleterevision' ) ) {
$suppress = "
| ";
$suppress .= Xml::checkLabel( wfMsg( 'revdelete-suppress' ), 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '2' ) );
$suppress .= " |
";
} else {
$suppress = '';
}
$form = Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->getAction() ) ) .
Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', null, wfMsg( 'filedelete-legend' ) ) .
Xml::hidden( 'wpEditToken', $wgUser->editToken( $this->oldimage ) ) .
$this->prepareMessage( 'filedelete-intro' ) .
Xml::openElement( 'table' ) .
"
" .
Xml::label( wfMsg( 'filedelete-comment' ), 'wpDeleteReasonList' ) .
" |
" .
Xml::listDropDown( 'wpDeleteReasonList',
wfMsgForContent( 'filedelete-reason-dropdown' ),
wfMsgForContent( 'filedelete-reason-otherlist' ), '', 'wpReasonDropDown', 1 ) .
" |
" .
Xml::label( wfMsg( 'filedelete-otherreason' ), 'wpReason' ) .
" |
" .
Xml::input( 'wpReason', 60, $wgRequest->getText( 'wpReason' ), array( 'type' => 'text', 'maxlength' => '255', 'tabindex' => '2', 'id' => 'wpReason' ) ) .
" |
{$suppress}
|
" .
Xml::submitButton( wfMsg( 'filedelete-submit' ), array( 'name' => 'mw-filedelete-submit', 'id' => 'mw-filedelete-submit', 'tabindex' => '3' ) ) .
" |
" .
Xml::closeElement( 'table' ) .
Xml::closeElement( 'fieldset' ) .
Xml::closeElement( 'form' );
if ( $wgUser->isAllowed( 'editinterface' ) ) {
$skin = $wgUser->getSkin();
$link = $skin->makeLink ( 'MediaWiki:Filedelete-reason-dropdown', wfMsgHtml( 'filedelete-edit-reasonlist' ) );
$form .= '' . $link . '
';
}
$wgOut->addHtml( $form );
}
/**
* Show deletion log fragments pertaining to the current file
*/
private function showLogEntries() {
global $wgOut;
$wgOut->addHtml( '' . htmlspecialchars( LogPage::logName( 'delete' ) ) . "
\n" );
$reader = new LogViewer(
new LogReader(
new FauxRequest(
array(
'type' => 'delete',
'page' => $this->title->getPrefixedText(),
)
)
)
);
$reader->showList( $wgOut );
}
/**
* 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 ) {
$url = $this->file->getArchiveUrl( $this->oldimage );
return wfMsgExt(
"{$message}-old", # To ensure grep will find them: 'filedelete-intro-old', 'filedelete-nofile-old', 'filedelete-success-old'
'parse',
$this->title->getText(),
$wgLang->date( $this->getTimestamp(), true ),
$wgLang->time( $this->getTimestamp(), true ),
wfExpandUrl( $this->file->getArchiveUrl( $this->oldimage ) ) );
} else {
return wfMsgExt(
$message,
'parse',
$this->title->getText()
);
}
}
/**
* Set headers, titles and other bits
*/
private function setHeaders() {
global $wgOut, $wgUser;
$wgOut->setPageTitle( wfMsg( 'filedelete', $this->title->getText() ) );
$wgOut->setRobotPolicy( 'noindex,nofollow' );
$wgOut->setSubtitle( wfMsg( 'filedelete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->title ) ) );
}
/**
* Is the provided `oldimage` value valid?
*
* @return bool
*/
private function isValidOldSpec() {
return strlen( $this->oldimage ) >= 16
&& strpos( $this->oldimage, '/' ) === false
&& strpos( $this->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?
*
* @return bool
*/
private function haveDeletableFile() {
return $this->oldimage
? $this->oldfile && $this->oldfile->exists() && $this->oldfile->isLocal()
: $this->file && $this->file->exists() && $this->file->isLocal();
}
/**
* Prepare the form action
*
* @return string
*/
private function getAction() {
$q = array();
$q[] = 'action=delete';
if( $this->oldimage )
$q[] = 'oldimage=' . urlencode( $this->oldimage );
return $this->title->getLocalUrl( implode( '&', $q ) );
}
/**
* Extract the timestamp of the old version
*
* @return string
*/
private function getTimestamp() {
return $this->oldfile->getTimestamp();
}
}