mTitle->getNamespace() ) {
$this->openShowImage();
}
Article::view();
# If the article we've just shown is in the "Image" namespace,
# follow it with the history list and link list for the image
# it describes.
if ( Namespace::getImage() == $this->mTitle->getNamespace() ) {
$this->closeShowImage();
$this->imageHistory();
$this->imageLinks();
}
}
function openShowImage()
{
global $wgOut, $wgUser,$wgRequest;
$this->img = Image::newFromTitle( $this->mTitle );
$url = $this->img->getUrl();
if ( $this->img->exists() ) {
$sk = $wgUser->getSkin();
if ( $this->img->getType() != "" ) {
# image
$s = "
" .
"
img->getWidth() . "\" height=\"" . $this->img->getHeight() .
"\" alt=\"".$wgRequest->getVal( 'image' )."\" />
";
} else {
$s = "".$sk->makeMediaLink($this->img->getName(),"")."
";
}
$wgOut->addHTML( $s );
}
}
function closeShowImage()
{
# For overloading
}
# If the page we've just displayed is in the "Image" namespace,
# we follow it with an upload history of the image and its usage.
function imageHistory()
{
global $wgUser, $wgOut;
$sk = $wgUser->getSkin();
$s = $sk->beginImageHistoryList();
$line = $this->img->nextHistoryLine();
$s .= $sk->imageHistoryLine( true, $line->img_timestamp,
$this->mTitle->getDBkey(), $line->img_user,
$line->img_user_text, $line->img_size, $line->img_description );
while ( $line = $this->img->nextHistoryLine() ) {
$s .= $sk->imageHistoryLine( false, $line->img_timestamp,
$line->oi_archive_name, $line->img_user,
$line->img_user_text, $line->img_size, $line->img_description );
}
$s .= $sk->endImageHistoryList();
$wgOut->addHTML( $s );
}
function imageLinks()
{
global $wgUser, $wgOut;
$wgOut->addHTML( "" . wfMsg( "imagelinks" ) . "
\n" );
$sql = "SELECT cur_namespace,cur_title FROM imagelinks,cur WHERE il_to='" .
wfStrencode( $this->mTitle->getDBkey() ) . "' AND il_from=cur_id";
$res = wfQuery( $sql, DB_READ, "Article::imageLinks" );
if ( 0 == wfNumRows( $res ) ) {
$wgOut->addHtml( "" . wfMsg( "nolinkstoimage" ) . "
\n" );
return;
}
$wgOut->addHTML( "" . wfMsg( "linkstoimage" ) . "
\n" );
$sk = $wgUser->getSkin();
while ( $s = wfFetchObject( $res ) ) {
$name = Title::MakeTitle( $s->cur_namespace, $s->cur_title );
$link = $sk->makeKnownLinkObj( $name, "" );
$wgOut->addHTML( "- {$link}
\n" );
}
$wgOut->addHTML( "
\n" );
}
function delete()
{
global $wgUser, $wgOut, $wgRequest;
$confirm = $wgRequest->getBool( 'wpConfirm' );
$image = $wgRequest->getVal( 'image' );
$oldimage = $wgRequest->getVal( 'oldimage' );
# Only sysops can delete images. Previously ordinary users could delete
# old revisions, but this is no longer the case.
if ( !$wgUser->isSysop() ) {
$wgOut->sysopRequired();
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
# Better double-check that it hasn't been deleted yet!
$wgOut->setPagetitle( wfMsg( "confirmdelete" ) );
if ( !is_null( $image ) ) {
if ( "" == trim( $image ) ) {
$wgOut->fatalError( wfMsg( "cannotdelete" ) );
return;
}
}
# Deleting old images doesn't require confirmation
if ( !is_null( $oldimage ) || $confirm ) {
$this->doDelete();
return;
}
if ( !is_null( $image ) ) {
$q = "&image=" . urlencode( $image );
} else if ( !is_null( $oldimage ) ) {
$q = "&oldimage=" . urlencode( $oldimage );
} else {
$q = "";
}
return $this->confirmDelete( $q, $wgRequest->getText( 'wpReason' ) );
}
function doDelete()
{
global $wgOut, $wgUser, $wgLang, $wgRequest;
global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
$fname = "Article::doDelete";
$reason = $wgRequest->getVal( 'wpReason' );
$image = $wgRequest->getVal( 'image' );
$oldimage = $wgRequest->getVal( 'oldimage' );
if ( !is_null( $image ) ) {
$dest = wfImageDir( $image );
$archive = wfImageDir( $image );
if ( ! @unlink( "{$dest}/{$image}" ) ) {
$wgOut->fileDeleteError( "{$dest}/{$image}" );
return;
}
$sql = "DELETE FROM image WHERE img_name='" .
wfStrencode( $image ) . "'";
wfQuery( $sql, DB_WRITE, $fname );
$sql = "SELECT oi_archive_name FROM oldimage WHERE oi_name='" .
wfStrencode( $image ) . "'";
$res = wfQuery( $sql, DB_READ, $fname );
# Squid purging
if ( $wgUseSquid ) {
$urlArr = Array(
$wgInternalServer . Image::wfImageUrl( $image )
);
wfPurgeSquidServers($urlArr);
}
$urlArr = Array();
while ( $s = wfFetchObject( $res ) ) {
$this->doDeleteOldImage( $s->oi_archive_name );
$urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
}
# Squid purging, part II
if ( $wgUseSquid ) {
/* this needs to be done after LinksUpdate */
$u = new SquidUpdate( $urlArr );
array_push( $wgDeferredUpdateList, $u );
}
$sql = "DELETE FROM oldimage WHERE oi_name='" .
wfStrencode( $image ) . "'";
wfQuery( $sql, DB_WRITE, $fname );
# Image itself is now gone, and database is cleaned.
# Now we remove the image description page.
$nt = Title::newFromText( $wgLang->getNsText( Namespace::getImage() ) . ":" . $image );
$article = new Article( $nt );
$article->doDeleteArticle( $reason ); # ignore errors
$deleted = $image;
} else if ( !is_null( $oldimage ) ) {
# Squid purging
if ( $wgUseSquid ) {
$urlArr = Array(
$wgInternalServer.wfImageArchiveUrl( $oldimage )
);
wfPurgeSquidServers($urlArr);
}
$this->doDeleteOldImage( $oldimage );
$sql = "DELETE FROM oldimage WHERE oi_archive_name='" .
wfStrencode( $oldimage ) . "'";
wfQuery( $sql, DB_WRITE, $fname );
$deleted = $oldimage;
} else {
$this->doDeleteArticle( $reason ); # ignore errors
$deleted = $this->mTitle->getPrefixedText();
}
$wgOut->setPagetitle( wfMsg( "actioncomplete" ) );
$wgOut->setRobotpolicy( "noindex,nofollow" );
$sk = $wgUser->getSkin();
$loglink = $sk->makeKnownLink( $wgLang->getNsText(
Namespace::getWikipedia() ) .
":" . wfMsg( "dellogpage" ), wfMsg( "deletionlog" ) );
$text = wfMsg( "deletedtext", $deleted, $loglink );
$wgOut->addHTML( "" . $text . "
\n" );
$wgOut->returnToMain( false );
}
function doDeleteOldImage( $oldimage )
{
global $wgOut;
$name = substr( $oldimage, 15 );
$archive = wfImageArchiveDir( $name );
if ( ! unlink( "{$archive}/{$oldimage}" ) ) {
$wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
}
}
function revert()
{
global $wgOut, $wgRequest;
global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
$oldimage = $wgRequest->getText( 'oldimage' );
if ( strlen( $oldimage ) < 16 ) {
$wgOut->unexpectedValueError( "oldimage", $oldimage );
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
$name = substr( $oldimage, 15 );
$dest = wfImageDir( $name );
$archive = wfImageArchiveDir( $name );
$curfile = "{$dest}/{$name}";
if ( ! is_file( $curfile ) ) {
$wgOut->fileNotFoundError( $curfile );
return;
}
$oldver = wfTimestampNow() . "!{$name}";
$size = wfGetSQL( "oldimage", "oi_size", "oi_archive_name='" .
wfStrencode( $oldimage ) . "'" );
if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
$wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
return;
}
if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
$wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
}
wfRecordUpload( $name, $oldver, $size, wfMsg( "reverted" ) );
# Squid purging
if ( $wgUseSquid ) {
$urlArr = Array(
$wgInternalServer.wfImageArchiveUrl( $name ),
$wgInternalServer . Image::wfImageUrl( $name )
);
wfPurgeSquidServers($urlArr);
}
$wgOut->setPagetitle( wfMsg( "actioncomplete" ) );
$wgOut->setRobotpolicy( "noindex,nofollow" );
$wgOut->addHTML( wfMsg( "imagereverted" ) );
$wgOut->returnToMain( false );
}
}
?>