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, $wgLang, $wgServer;
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( 'wpComment' );
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() );
98 * Show the confirmation form
100 private function showForm() {
101 global $wgOut, $wgUser;
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' ), 'wpComment', 'wpComment', 60 ) . '</p>';
109 $form .= '<p>' . Xml
::submitButton( wfMsg( 'filedelete-submit' ) ) . '</p>';
110 $form .= '</fieldset>';
113 $wgOut->addHtml( $form );
117 * Prepare a message referring to the file being deleted,
118 * showing an appropriate message depending upon whether
119 * it's a current file or an old version
121 * @param string $message Message base
124 private function prepareMessage( $message ) {
125 global $wgLang, $wgServer;
126 if( $this->oldimage
) {
130 $this->title
->getText(),
131 $wgLang->date( $this->getTimestamp(), true ),
132 $wgLang->time( $this->getTimestamp(), true ),
133 $wgServer . $this->file
->getArchiveUrl( $this->oldimage
)
139 $this->title
->getText()
145 * Set headers, titles and other bits
147 private function setHeaders() {
149 $wgOut->setPageTitle( wfMsg( 'filedelete', $this->title
->getText() ) );
150 $wgOut->setRobotPolicy( 'noindex,nofollow' );
154 * Is the provided `oldimage` value valid?
158 private function isValidOldSpec() {
159 return strlen( $this->oldimage
) >= 16
160 && strpos( $this->oldimage
, '/' ) === false
161 && strpos( $this->oldimage
, '\\' ) === false;
165 * Could we delete the file specified? If an `oldimage`
166 * value was provided, does it correspond to an
167 * existing, local, old version of this file?
171 private function haveDeletableFile() {
172 return $this->oldimage
173 ?
$this->oldfile
&& $this->oldfile
->exists() && $this->oldfile
->isLocal()
174 : $this->file
&& $this->file
->exists() && $this->file
->isLocal();
178 * Prepare the form action
182 private function getAction() {
184 $q[] = 'action=delete';
185 if( $this->oldimage
)
186 $q[] = 'oldimage=' . urlencode( $this->oldimage
);
187 return $this->title
->getLocalUrl( implode( '&', $q ) );
191 * Extract the timestamp of the old version
195 private function getTimestamp() {
196 return $this->oldfile
->getTimestamp();