setArticleBodyOnly( true );
$wgOut->addSecondaryWikitext( $this->getContent() );
}
function view() {
global $wgOut, $wgShowEXIF;
$this->img = new Image( $this->mTitle );
if( $this->mTitle->getNamespace() == NS_IMAGE ) {
if ($wgShowEXIF && $this->img->exists()) {
$exif = $this->img->getExifData();
$showmeta = count($exif) ? true : false;
} else {
$exif = false;
$showmeta = false;
}
if ($this->img->exists())
$wgOut->addHTML($this->showTOC($showmeta));
$this->openShowImage();
# No need to display noarticletext, we use our own message, output in openShowImage()
if( $this->getID() ) {
Article::view();
} else {
# Just need to set the right headers
$wgOut->setArticleFlag( true );
$wgOut->setRobotpolicy( 'index,follow' );
$wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
$this->viewUpdates();
}
# Show shared description, if needed
if( $this->mExtraDescription ) {
$fol = wfMsg( 'shareddescriptionfollows' );
if( $fol != '-' ) {
$wgOut->addWikiText( $fol );
}
$wgOut->addHTML( '
' . $this->mExtraDescription . '
' );
}
$this->closeShowImage();
$this->imageHistory();
$this->imageLinks();
if( $exif ) {
global $wgStylePath;
$expand = htmlspecialchars( wfEscapeJsString( wfMsg( 'metadata-expand' ) ) );
$collapse = htmlspecialchars( wfEscapeJsString( wfMsg( 'metadata-collapse' ) ) );
$wgOut->addHTML( "\n" );
$wgOut->addWikiText( $this->makeMetadataTable( $exif ) );
$wgOut->addHTML(
"\n" .
"\n" );
}
} else {
Article::view();
}
}
/**
* Create the TOC
*
* @access private
*
* @param bool $metadata Whether or not to show the metadata link
* @return string
*/
function showTOC( $metadata ) {
global $wgLang;
$r = '';
return $r;
}
/**
* Make a table with metadata to be shown in the output page.
*
* @access private
*
* @param array $exif The array containing the EXIF data
* @return string
*/
function makeMetadataTable( $exif ) {
$r = wfMsg( 'metadata-help' ) . "\n\n";
$r .= "{| id=mw_metadata class=mw_metadata\n";
$visibleFields = $this->visibleMetadataFields();
foreach( $exif as $k => $v ) {
$tag = strtolower( $k );
$msg = wfMsg( "exif-$tag" );
$class = "exif-$tag";
if( !in_array( $tag, $visibleFields ) ) {
$class .= ' collapsable';
}
$r .= "|- class=\"$class\"\n";
$r .= "!| $msg\n";
$r .= "|| $v\n";
}
$r .= '|}';
return $r;
}
/**
* Get a list of EXIF metadata items which should be displayed when
* the metadata table is collapsed.
*
* @return array of strings
* @access private
*/
function visibleMetadataFields() {
$fields = array();
$lines = explode( "\n", wfMsgForContent( 'metadata-fields' ) );
foreach( $lines as $line ) {
if( preg_match( '/^\\*\s*(.*?)\s*$/', $line, $matches ) ) {
$fields[] = $matches[1];
}
}
return $fields;
}
/**
* Overloading Article's getContent method.
*
* Omit noarticletext if sharedupload; text will be fetched from the
* shared upload server if possible.
*/
function getContent() {
if( $this->img && $this->img->fromSharedDirectory && 0 == $this->getID() ) {
return '';
}
return Article::getContent();
}
function openShowImage() {
global $wgOut, $wgUser, $wgImageLimits, $wgRequest, $wgUseImageResize;
$full_url = $this->img->getURL();
$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];
$sk = $wgUser->getSkin();
if ( $this->img->exists() ) {
# image
$width = $this->img->getWidth();
$height = $this->img->getHeight();
$showLink = false;
if ( $this->img->allowInlineDisplay() and $width and $height) {
# image
# "Download high res version" link below the image
$msg = wfMsgHtml('showbigimage', $width, $height, intval( $this->img->getSize()/1024 ) );
# We'll show a thumbnail of this image
if ( $width > $maxWidth || $height > $maxHeight ) {
# Calculate the thumbnail size.
# First case, the limiting factor is the width, not the height.
if ( $width / $height >= $maxWidth / $maxHeight ) {
$height = round( $height * $maxWidth / $width);
$width = $maxWidth;
# Note that $height <= $maxHeight now.
} else {
$newwidth = floor( $width * $maxHeight / $height);
$height = round( $height * $newwidth / $width );
$width = $newwidth;
# Note that $height <= $maxHeight now, but might not be identical
# because of rounding.
}
if( $wgUseImageResize ) {
$thumbnail = $this->img->getThumbnail( $width );
if ( $thumbnail == null ) {
$url = $this->img->getViewURL();
} 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 = $this->img->getViewURL();
}
$anchoropen = "";
$anchorclose = "
";
if( $this->img->mustRender() ) {
$showLink = true;
} else {
$anchorclose .= "\n$anchoropen{$msg}";
}
} else {
$url = $this->img->getViewURL();
$showLink = true;
}
$wgOut->addHTML( '' . $anchoropen .
"
getVal( 'image' ) ).'" />' . $anchorclose . '
' );
} else {
#if direct link is allowed but it's not a renderable image, show an icon.
if ($this->img->isSafeFile()) {
$icon= $this->img->iconThumb();
$wgOut->addHTML( '' );
}
$showLink = true;
}
if ($showLink) {
$filename = wfEscapeWikiText( $this->img->getName() );
$info = wfMsg( 'fileinfo',
ceil($this->img->getSize()/1024.0),
$this->img->getMimeType() );
if (!$this->img->isSafeFile()) {
$warning = wfMsg( 'mediawarning' );
$wgOut->addWikiText( <<
[[Media:$filename|$filename]]
($info)
$warning
END
);
} else {
$wgOut->addWikiText( <<
[[Media:$filename|$filename]] ($info)
END
);
}
}
if($this->img->fromSharedDirectory) {
$this->printSharedImageText();
}
} else {
# Image does not exist
$title = Title::makeTitle( NS_SPECIAL, 'Upload' );
$link = $sk->makeKnownLinkObj($title, wfMsgHtml('noimage-linktext'),
'wpDestFile=' . urlencode( $this->img->getName() ) );
$wgOut->addHTML( wfMsgWikiHtml( 'noimage', $link ) );
}
}
function printSharedImageText() {
global $wgRepositoryBaseUrl, $wgFetchCommonsDescriptions, $wgOut, $wgUser;
$url = $wgRepositoryBaseUrl . urlencode($this->mTitle->getDBkey());
$sharedtext = "" . wfMsgWikiHtml("sharedupload");
if ($wgRepositoryBaseUrl && !$wgFetchCommonsDescriptions) {
$sk = $wgUser->getSkin();
$title = Title::makeTitle( NS_SPECIAL, 'Upload' );
$link = $sk->makeKnownLinkObj($title, wfMsgHtml('shareduploadwiki-linktext'),
array( 'wpDestFile' => urlencode( $this->img->getName() )));
$sharedtext .= " " . wfMsgWikiHtml('shareduploadwiki', $link);
}
$sharedtext .= "
";
$wgOut->addHTML($sharedtext);
if ($wgRepositoryBaseUrl && $wgFetchCommonsDescriptions) {
require_once("HttpFunctions.php");
$ur = ini_set('allow_url_fopen', true);
$text = wfGetHTTP($url . '?action=render');
ini_set('allow_url_fopen', $ur);
if ($text)
$this->mExtraDescription = $text;
}
}
function getUploadUrl() {
global $wgServer;
$uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
return $wgServer . $uploadTitle->getLocalUrl( 'wpDestFile=' . urlencode( $this->img->getName() ) );
}
/**
* Print out the various links at the bottom of the image page, e.g. reupload,
* external editing (and instructions link) etc.
*/
function uploadLinksBox() {
global $wgUser, $wgOut;
if( $this->img->fromSharedDirectory )
return;
$sk = $wgUser->getSkin();
$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, $wgUseExternalEditor;
$sk = $wgUser->getSkin();
$line = $this->img->nextHistoryLine();
if ( $line ) {
$list =& new ImageHistoryList( $sk );
$s = $list->beginImageHistoryList() .
$list->imageHistoryLine( true, wfTimestamp(TS_MW, $line->img_timestamp),
$this->mTitle->getDBkey(), $line->img_user,
$line->img_user_text, $line->img_size, $line->img_description,
$line->img_width, $line->img_height
);
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,
$line->img_width, $line->img_height
);
}
$s .= $list->endImageHistoryList();
} else { $s=''; }
$wgOut->addHTML( $s );
# Exist check because we don't want to show this on pages where an image
# doesn't exist along with the noimage message, that would suck. -ævar
if( $wgUseExternalEditor && $this->img->exists() ) {
$this->uploadLinksBox();
}
}
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";
$sql = $dbr->limitResult($sql, 500, 0);
$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->wasPosted();
$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 ( $wgUser->isBlocked() ) {
return $this->blockedIPpage();
}
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;
}
$this->img = new Image( $this->mTitle );
# 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, $wgRequest, $wgUseSquid, $wgInternalServer;
global $wgPostCommitUpdateList;
$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;
}
# Invalidate description page cache
$this->mTitle->invalidateCache();
# Squid purging
if ( $wgUseSquid ) {
$urlArr = array(
$wgInternalServer.wfImageArchiveUrl( $oldimage ),
$this->mTitle->getInternalURL()
);
wfPurgeSquidServers($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 ) );
if ( $dbw->affectedRows() ) {
# Update site_stats
$site_stats = $dbw->tableName( 'site_stats' );
$dbw->query( "UPDATE $site_stats SET ss_images=ss_images-1", $fname );
}
$res = $dbw->select( 'oldimage', array( 'oi_archive_name' ), array( 'oi_name' => $image ) );
# Purge archive URLs from the squid
$urlArr = Array();
while ( $s = $dbw->fetchObject( $res ) ) {
$this->doDeleteOldImage( $s->oi_archive_name );
$urlArr[] = $wgInternalServer.wfImageArchiveUrl( $s->oi_archive_name );
}
# And also the HTML of all pages using this image
$linksTo = $this->img->getLinksTo();
if ( $wgUseSquid ) {
$u = SquidUpdate::newFromTitles( $linksTo, $urlArr );
array_push( $wgPostCommitUpdateList, $u );
}
$dbw->delete( 'oldimage', array( 'oi_name' => $image ) );
# Image itself is now gone, and database is cleaned.
# Now we remove the image description page.
$article = new Article( $this->mTitle );
$article->doDeleteArticle( $reason ); # ignore errors
# Invalidate parser cache and client cache for pages using this image
# This is left until relatively late to reduce lock time
Title::touchArray( $linksTo );
/* Delete thumbnails and refresh image metadata cache */
$this->img->purgeCache();
$deleted = $image;
}
$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
$text = wfMsg( 'deletedtext', $deleted, $loglink );
$wgOut->addWikiText( $text );
$wgOut->returnToMain( false, $this->mTitle->getPrefixedText() );
}
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;
$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->isBlocked() ) {
return $this->blockedIPpage();
}
if( !$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', array( 'oi_archive_name' => $oldimage ) );
if ( ! rename( $curfile, "${archive}/{$oldver}" ) ) {
$wgOut->fileRenameError( $curfile, "${archive}/{$oldver}" );
return;
}
if ( ! copy( "{$archive}/{$oldimage}", $curfile ) ) {
$wgOut->fileCopyError( "${archive}/{$oldimage}", $curfile );
}
# Record upload and update metadata cache
$img = Image::newFromName( $name );
$img->recordUpload( $oldver, wfMsg( "reverted" ) );
$wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
$wgOut->setRobotpolicy( 'noindex,nofollow' );
$wgOut->addHTML( wfMsg( 'imagereverted' ) );
$descTitle = $img->getTitle();
$wgOut->returnToMain( false, $descTitle->getPrefixedText() );
}
function blockedIPpage() {
require_once( 'EditPage.php' );
$edit = new EditPage( $this );
return $edit->blockedIPpage();
}
/**
* Override handling of action=purge
*/
function doPurge() {
$this->img = new Image( $this->mTitle );
if( $this->img->exists() ) {
wfDebug( "ImagePage::doPurge purging " . $this->img->getName() . "\n" );
$linksTo = $this->img->getLinksTo();
Title::touchArray( $linksTo );
$this->img->purgeCache();
} else {
wfDebug( "ImagePage::doPurge no image\n" );
}
parent::doPurge();
}
}
/**
* @todo document
* @package MediaWiki
*/
class ImageHistoryList {
function ImageHistoryList( &$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, $width, $height ) {
global $wgUser, $wgLang, $wgTitle, $wgContLang;
$datetime = $wgLang->timeanddate( $timestamp, true );
$del = wfMsg( 'deleteimg' );
$delall = wfMsg( 'deleteimgcompletely' );
$cur = wfMsg( 'cur' );
if ( $iscur ) {
$url = Image::imageUrl( $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 );
$usertalk = $this->skin->makeLinkObj( Title::makeTitle( NS_USER_TALK, $usertext), $wgContLang->getNsText( NS_TALK ) );
$userdata = $userlink . ' (' . $usertalk . ')';
}
$nbytes = wfMsgExt( 'nbytes', array( 'parsemag', 'escape' ),
$wgLang->formatNum( $size ) );
$widthheight = wfMsg( 'widthheight', $width, $height );
$style = $this->skin->getInternalLinkAttributes( $url, $datetime );
$s = " ({$dlink}) ({$rlink}) {$datetime} . . {$userdata} . . {$widthheight} ({$nbytes})";
$s .= $this->skin->commentBlock( $description, $wgTitle );
$s .= "\n";
return $s;
}
}
?>