4 * File deletion user interface
7 * @author Rob Church <robchur@gmail.com>
11 private $title = null;
14 private $oldfile = null;
15 private $oldimage = '';
20 * @param File $file File we're deleting
22 public function __construct( $file ) {
23 $this->title
= $file->getTitle();
28 * Fulfil the request; shows the form or deletes the file,
29 * pending authentication, confirmation, etc.
31 public function execute() {
32 global $wgOut, $wgRequest, $wgUser;
36 $wgOut->readOnlyPage();
38 } elseif( !$wgUser->isLoggedIn() ) {
39 $wgOut->showErrorPage( 'uploadnologin', 'uploadnologintext' );
41 } elseif( !$wgUser->isAllowed( 'delete' ) ) {
42 $wgOut->permissionError( 'delete' );
44 } elseif( $wgUser->isBlocked() ) {
45 $wgOut->blockedPage();
49 $this->oldimage
= $wgRequest->getText( 'oldimage', false );
50 $token = $wgRequest->getText( 'wpEditToken' );
51 if( $this->oldimage
&& !$this->isValidOldSpec() ) {
52 $wgOut->showUnexpectedValueError( 'oldimage', htmlspecialchars( $this->oldimage
) );
56 $this->oldfile
= RepoGroup
::singleton()->getLocalRepo()->newFromArchiveName( $this->title
, $this->oldimage
);
58 if( !$this->haveDeletableFile() ) {
59 $wgOut->addHtml( $this->prepareMessage( 'filedelete-nofile' ) );
60 $wgOut->addReturnTo( $this->title
);
64 // Perform the deletion if appropriate
65 if( $wgRequest->wasPosted() && $wgUser->matchEditToken( $token, $this->oldimage
) ) {
66 $comment = $wgRequest->getText( 'wpReason' );
67 if( $this->oldimage
) {
68 $status = $this->file
->deleteOld( $this->oldimage
, $comment );
70 // Need to do a log item
71 $log = new LogPage( 'delete' );
72 $log->addEntry( 'delete', $this->title
, wfMsg( 'deletedrevision' , $this->oldimage
) );
75 $status = $this->file
->delete( $comment );
77 // Need to delete the associated article
78 $article = new Article( $this->title
);
79 $article->doDeleteArticle( $comment );
82 if( !$status->isGood() )
83 $wgOut->addWikiText( $status->getWikiText( 'filedeleteerror-short', 'filedeleteerror-long' ) );
85 $wgOut->addHtml( $this->prepareMessage( 'filedelete-success' ) );
86 // Return to the main page if we just deleted all versions of the
87 // file, otherwise go back to the description page
88 $wgOut->addReturnTo( $this->oldimage ?
$this->title
: Title
::newMainPage() );
94 $this->showLogEntries();
98 * Show the confirmation form
100 private function showForm() {
101 global $wgOut, $wgUser, $wgRequest;
103 $form = Xml
::openElement( 'form', array( 'method' => 'post', 'action' => $this->getAction() ) );
104 $form .= Xml
::hidden( 'wpEditToken', $wgUser->editToken( $this->oldimage
) );
105 $form .= '<fieldset><legend>' . wfMsgHtml( 'filedelete-legend' ) . '</legend>';
106 $form .= $this->prepareMessage( 'filedelete-intro' );
108 $form .= '<p>' . Xml
::inputLabel( wfMsg( 'filedelete-comment' ), 'wpReason', 'wpReason',
109 60, $wgRequest->getText( 'wpReason' ) ) . '</p>';
110 $form .= '<p>' . Xml
::submitButton( wfMsg( 'filedelete-submit' ) ) . '</p>';
111 $form .= '</fieldset>';
114 $wgOut->addHtml( $form );
118 * Show deletion log fragments pertaining to the current file
120 private function showLogEntries() {
122 $wgOut->addHtml( '<h2>' . htmlspecialchars( LogPage
::logName( 'delete' ) ) . "</h2>\n" );
123 $reader = new LogViewer(
128 'page' => $this->title
->getPrefixedText(),
133 $reader->showList( $wgOut );
137 * Prepare a message referring to the file being deleted,
138 * showing an appropriate message depending upon whether
139 * it's a current file or an old version
141 * @param string $message Message base
144 private function prepareMessage( $message ) {
145 global $wgLang, $wgServer;
146 if( $this->oldimage
) {
150 $this->title
->getText(),
151 $wgLang->date( $this->getTimestamp(), true ),
152 $wgLang->time( $this->getTimestamp(), true ),
153 $wgServer . $this->file
->getArchiveUrl( $this->oldimage
)
159 $this->title
->getText()
165 * Set headers, titles and other bits
167 private function setHeaders() {
168 global $wgOut, $wgUser;
169 $wgOut->setPageTitle( wfMsg( 'filedelete', $this->title
->getText() ) );
170 $wgOut->setRobotPolicy( 'noindex,nofollow' );
171 $wgOut->setSubtitle( wfMsg( 'filedelete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->title
) ) );
175 * Is the provided `oldimage` value valid?
179 private function isValidOldSpec() {
180 return strlen( $this->oldimage
) >= 16
181 && strpos( $this->oldimage
, '/' ) === false
182 && strpos( $this->oldimage
, '\\' ) === false;
186 * Could we delete the file specified? If an `oldimage`
187 * value was provided, does it correspond to an
188 * existing, local, old version of this file?
192 private function haveDeletableFile() {
193 return $this->oldimage
194 ?
$this->oldfile
&& $this->oldfile
->exists() && $this->oldfile
->isLocal()
195 : $this->file
&& $this->file
->exists() && $this->file
->isLocal();
199 * Prepare the form action
203 private function getAction() {
205 $q[] = 'action=delete';
206 if( $this->oldimage
)
207 $q[] = 'oldimage=' . urlencode( $this->oldimage
);
208 return $this->title
->getLocalUrl( implode( '&', $q ) );
212 * Extract the timestamp of the old version
216 private function getTimestamp() {
217 return $this->oldfile
->getTimestamp();