mTitle->getNamespace() == NS_IMAGE ) {
$this->openShowImage();
}
Article::view();
if($wgUseExternalEditor) {
$this->externalEditorLink();
}
# 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( $this->mTitle->getNamespace() == NS_IMAGE ) {
$this->closeShowImage();
$this->imageHistory();
$this->imageLinks();
}
}
function openShowImage()
{
global $wgOut, $wgUser, $wgImageLimits, $wgRequest,
$wgUseImageResize, $wgRepositoryBaseUrl,
$wgUseExternalEditor;
$this->img = Image::newFromTitle( $this->mTitle );
$full_url = $this->img->getViewURL();
$anchoropen = '';
$anchorclose = '';
if( $wgUser->getOption( 'imagesize' ) == '' ) {
$sizeSel = User::getDefaultOption( 'imagesize' );
} else {
$sizeSel = IntVal( $wgUser->getOption( 'imagesize' ) );
}
if( !isset( $wgImageLimits[$sizeSel] ) ) {
$sizeSel = User::getDefaultOption( 'imagesize' );
}
$max = $wgImageLimits[$sizeSel];
$maxWidth = $max[0];
$maxHeight = $max[1];
if ( $this->img->exists() ) {
$sk = $wgUser->getSkin();
if ( $this->img->getType() != '' ) {
# image
$width = $this->img->getWidth();
$height = $this->img->getHeight();
$msg = wfMsg('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
if ( $width > $maxWidth ) {
$height = floor( $height * $maxWidth / $width );
$width = $maxWidth;
}
if ( $height > $maxHeight ) {
$width = floor( $width * $maxHeight / $height );
$height = $maxHeight;
}
if ( $width != $this->img->getWidth() || $height != $this->img->getHeight() ) {
if( $wgUseImageResize ) {
$thumbnail = $this->img->getThumbnail( $width );
if ( ( ! $this->img->mustRender() )
&& ( $thumbnail->getSize() > $this->img->getSize() ) ) {
# the thumbnail is bigger thatn the original image.
# show the original image instead of the thumb.
$url = $full_url;
$width = $this->img->getWidth();
$height = $this->img->getHeight();
} else {
$url = $thumbnail->getUrl();
}
} else {
# No resize ability? Show the full image, but scale
# it down in the browser so it fits on the page.
$url = $full_url;
}
$anchoropen = "";
$anchorclose = "
\n$anchoropen{$msg}";
} else {
$url = $full_url;
}
$s = '
' . $anchoropen .
"
getVal( 'image' ) ).'" />' . $anchorclose . '
';
} else {
$s = "" . $sk->makeMediaLink( $this->img->getName(),'' ) . '
';
}
$wgOut->addHTML( $s );
if($this->img->fromSharedDirectory) {
$sharedtext="" . wfMsg("sharedupload");
if($wgRepositoryBaseUrl) {
$sharedtext .= " ". wfMsg("shareduploadwiki",$wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey()));
}
$sharedtext.="
";
$wgOut->addWikiText($sharedtext);
}
}
}
function externalEditorLink()
{
global $wgUser,$wgOut;
$sk = $wgUser->getSkin();
$wgOut->addHTML( '' );
$wgOut->addHTML( $sk->makeKnownLinkObj( $this->mTitle,
wfMsg( 'edit-externally' ),
"action=edit&externaledit=true&mode=file" ) );
$wgOut->addWikiText( '
' .
wfMsg('edit-externally-help') . '
' );
$wgOut->addHTML( '
' );
}
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();
$line = $this->img->nextHistoryLine();
if ( $line ) {
$list =& new ImageHistoryList( $sk );
$s = $list->beginImageHistoryList() .
$list->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 .= $list->imageHistoryLine( false, $line->img_timestamp,
$line->oi_archive_name, $line->img_user,
$line->img_user_text, $line->img_size, $line->img_description );
}
$s .= $list->endImageHistoryList();
} else { $s=''; }
$wgOut->addHTML( $s );
}
function imageLinks()
{
global $wgUser, $wgOut;
$wgOut->addHTML( '' . wfMsg( 'imagelinks' ) . "
\n" );
$dbr =& wfGetDB( DB_SLAVE );
$page = $dbr->tableName( 'page' );
$imagelinks = $dbr->tableName( 'imagelinks' );
$sql = "SELECT page_namespace,page_title FROM $imagelinks,$page WHERE il_to=" .
$dbr->addQuotes( $this->mTitle->getDBkey() ) . " AND il_from=page_id"
. " LIMIT 500"; # quickie emergency brake
$res = $dbr->query( $sql, "ImagePage::imageLinks" );
if ( 0 == $dbr->numRows( $res ) ) {
$wgOut->addHtml( '' . wfMsg( "nolinkstoimage" ) . "
\n" );
return;
}
$wgOut->addHTML( '' . wfMsg( 'linkstoimage' ) . "
\n" );
$sk = $wgUser->getSkin();
while ( $s = $dbr->fetchObject( $res ) ) {
$name = Title::MakeTitle( $s->page_namespace, $s->page_title );
$link = $sk->makeKnownLinkObj( $name, "" );
$wgOut->addHTML( "- {$link}
\n" );
}
$wgOut->addHTML( "
\n" );
}
function delete()
{
global $wgUser, $wgOut, $wgRequest;
$confirm = $wgRequest->getBool( 'wpConfirmB' );
$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->isAllowed('delete') ) {
$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 ) )
&& ( '' == trim( $image ) ) ) {
$wgOut->fatalError( wfMsg( 'cannotdelete' ) );
return;
}
# Deleting old images doesn't require confirmation
if ( !is_null( $oldimage ) || $confirm ) {
if( $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
$this->doDelete();
} else {
$wgOut->fatalError( wfMsg( 'sessionfailure' ) );
}
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, $wgContLang, $wgRequest;
global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
$fname = 'ImagePage::doDelete';
$reason = $wgRequest->getVal( 'wpReason' );
$oldimage = $wgRequest->getVal( 'oldimage' );
$dbw =& wfGetDB( DB_MASTER );
if ( !is_null( $oldimage ) ) {
if ( strlen( $oldimage ) < 16 ) {
$wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
return;
}
if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
$wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
return;
}
# Squid purging
if ( $wgUseSquid ) {
$urlArr = Array(
$wgInternalServer.wfImageArchiveUrl( $oldimage )
);
wfPurgeSquidServers($urlArr);
}
$this->doDeleteOldImage( $oldimage );
$dbw->delete( 'oldimage', array( 'oi_archive_name' => $oldimage ) );
$deleted = $oldimage;
} else {
$image = $this->mTitle->getDBkey();
$dest = wfImageDir( $image );
$archive = wfImageDir( $image );
# Delete the image file if it exists; due to sync problems
# or manual trimming sometimes the file will be missing.
$targetFile = "{$dest}/{$image}";
if( file_exists( $targetFile ) && ! @unlink( $targetFile ) ) {
# If the deletion operation actually failed, bug out:
$wgOut->fileDeleteError( $targetFile );
return;
}
$dbw->delete( 'image', array( 'img_name' => $image ) );
$res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
# Squid purging
if ( $wgUseSquid ) {
$urlArr = Array(
$wgInternalServer . Image::wfImageUrl( $image )
);
wfPurgeSquidServers($urlArr);
}
$urlArr = Array();
while ( $s = $dbw->fetchObject( $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 );
}
$dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
# Image itself is now gone, and database is cleaned.
# Now we remove the image description page.
$nt = Title::makeTitleSafe( NS_IMAGE, $image );
$article = new Article( $nt );
$article->doDeleteArticle( $reason ); # ignore errors
/* refresh image metadata cache */
new Image( $image, true );
$deleted = $image;
}
$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$sk = $wgUser->getSkin();
$loglink = $sk->makeKnownLinkObj(
Title::makeTitle( NS_SPECIAL, 'Delete/log' ),
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 );
# Delete the image if it exists. Sometimes the file will be missing
# due to manual intervention or weird sync problems; treat that
# condition gracefully and continue to delete the database entry.
# Also some records may end up with an empty oi_archive_name field
# if the original file was missing when a new upload was made;
# don't try to delete the directory then!
#
$targetFile = "{$archive}/{$oldimage}";
if( $oldimage != '' && file_exists( $targetFile ) && !@unlink( $targetFile ) ) {
# If we actually have a file and can't delete it, throw an error.
$wgOut->fileDeleteError( "{$archive}/{$oldimage}" );
} else {
# Log the deletion
$log = new LogPage( 'delete' );
$log->addEntry( 'delete', $this->mTitle, wfMsg('deletedrevision',$oldimage) );
}
}
function revert()
{
global $wgOut, $wgRequest, $wgUser;
global $wgUseSquid, $wgInternalServer, $wgDeferredUpdateList;
$oldimage = $wgRequest->getText( 'oldimage' );
if ( strlen( $oldimage ) < 16 ) {
$wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
return;
}
if ( strstr( $oldimage, "/" ) || strstr( $oldimage, "\\" ) ) {
$wgOut->unexpectedValueError( 'oldimage', htmlspecialchars($oldimage) );
return;
}
if ( wfReadOnly() ) {
$wgOut->readOnlyPage();
return;
}
if( $wgUser->isAnon() ) {
$wgOut->errorpage( 'uploadnologin', 'uploadnologintext' );
return;
}
if ( ! $this->mTitle->userCanEdit() ) {
$wgOut->sysopRequired();
return;
}
if( !$wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ), $oldimage ) ) {
$wgOut->errorpage( 'internalerror', 'sessionfailure' );
return;
}
$name = substr( $oldimage, 15 );
$dest = wfImageDir( $name );
$archive = wfImageArchiveDir( $name );
$curfile = "{$dest}/{$name}";
if ( ! is_file( $curfile ) ) {
$wgOut->fileNotFoundError( htmlspecialchars( $curfile ) );
return;
}
$oldver = wfTimestampNow() . "!{$name}";
$dbr =& wfGetDB( DB_SLAVE );
$size = $dbr->selectField( 'oldimage', 'oi_size', 'oi_archive_name=\'' .
$dbr->strencode( $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" ) );
/* refresh image metadata cache */
new Image( $name, true );
# 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' ) );
$wgOut->returnToMain( false );
}
}
/**
* @todo document
* @package MediaWiki
*/
class ImageHistoryList {
function ImageHistoryList( &$skin ) {
$this->skin =& $skin;
}
function beginImageHistoryList() {
$s = "\n" . wfMsg( 'imghistory' ) . "
\n" .
"" . wfMsg( 'imghistlegend' ) . "
\n".'';
return $s;
}
function endImageHistoryList() {
$s = "
\n";
return $s;
}
function imageHistoryLine( $iscur, $timestamp, $img, $user, $usertext, $size, $description ) {
global $wgUser, $wgLang, $wgContLang, $wgTitle;
$datetime = $wgLang->timeanddate( $timestamp, true );
$del = wfMsg( 'deleteimg' );
$delall = wfMsg( 'deleteimgcompletely' );
$cur = wfMsg( 'cur' );
if ( $iscur ) {
$url = Image::wfImageUrl( $img );
$rlink = $cur;
if ( $wgUser->isAllowed('delete') ) {
$link = $wgTitle->escapeLocalURL( 'image=' . $wgTitle->getPartialURL() .
'&action=delete' );
$style = $this->skin->getInternalLinkAttributes( $link, $delall );
$dlink = ''.$delall.'';
} else {
$dlink = $del;
}
} else {
$url = htmlspecialchars( wfImageArchiveUrl( $img ) );
if( $wgUser->getID() != 0 && $wgTitle->userCanEdit() ) {
$token = urlencode( $wgUser->editToken( $img ) );
$rlink = $this->skin->makeKnownLinkObj( $wgTitle,
wfMsg( 'revertimg' ), 'action=revert&oldimage=' .
urlencode( $img ) . "&wpEditToken=$token" );
$dlink = $this->skin->makeKnownLinkObj( $wgTitle,
$del, 'action=delete&oldimage=' . urlencode( $img ) .
"&wpEditToken=$token" );
} else {
# Having live active links for non-logged in users
# means that bots and spiders crawling our site can
# inadvertently change content. Baaaad idea.
$rlink = wfMsg( 'revertimg' );
$dlink = $del;
}
}
if ( 0 == $user ) {
$userlink = $usertext;
} else {
$userlink = $this->skin->makeLinkObj(
Title::makeTitle( NS_USER, $usertext ),
$usertext );
}
$nbytes = wfMsg( 'nbytes', $size );
$style = $this->skin->getInternalLinkAttributes( $url, $datetime );
$s = " ({$dlink}) ({$rlink}) {$datetime}"
. " . . {$userlink} ({$nbytes})";
$s .= $this->skin->commentBlock( $description, $wgTitle );
$s .= "\n";
return $s;
}
}
?>