/**
* Delete all previously generated thumbnails, refresh metadata in memcached and purge the squid
*/
function purgeCache($archiveFiles = array(), $shared = false)
{
global $wgInternalServer, $wgUseSquid;
// Refresh metadata cache
clearstatcache();
$this->loadFromFile();
$this->saveToCache();
// Delete thumbnails
$files = $this->getThumbnails($shared);
$dir = wfImageThumbDir($this->name, $shared);
$urls = array();
foreach ($files as $file) {
if (preg_match('/^(\\d+)px/', $file, $m)) {
$urls[] = $wgInternalServer . $this->thumbUrl($m[1], $this->fromSharedDirectory);
@unlink("{$dir}/{$file}");
}
}
// Purge the squid
if ($wgUseSquid) {
$urls[] = $wgInternalServer . $this->getViewURL();
foreach ($archiveFiles as $file) {
$urls[] = $wgInternalServer . wfImageArchiveUrl($file);
}
wfPurgeSquidServers($urls);
}
}
function imageHistoryLine($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 = '<a href="' . $link . '"' . $style . '>' . $delall . '</a>';
} 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;
}
}
$userlink = $this->skin->userLink($user, $usertext) . $this->skin->userToolLinks($user, $usertext);
$nbytes = wfMsgExt('nbytes', array('parsemag', 'escape'), $wgLang->formatNum($size));
$widthheight = wfMsg('widthheight', $width, $height);
$style = $this->skin->getInternalLinkAttributes($url, $datetime);
$s = "<li> ({$dlink}) ({$rlink}) <a href=\"{$url}\"{$style}>{$datetime}</a> . . {$userlink} . . {$widthheight} ({$nbytes})";
$s .= $this->skin->commentBlock($description, $wgTitle);
$s .= "</li>\n";
return $s;
}
/**
* Delete an old version of the image.
*
* Moves the file into an archive directory (or deletes it)
* and removes the database row.
*
* Cache purging is done; logging is caller's responsibility.
*
* @param $reason
* @throws MWException or FSException on database or filestore failure
* @return true on success, false on some kind of failure
*/
function deleteOld($archiveName, $reason, $suppress = false)
{
$transaction = new FSTransaction();
$urlArr = array();
if (!FileStore::lock()) {
wfDebug(__METHOD__ . ": failed to acquire file store lock, aborting\n");
return false;
}
$transaction = new FSTransaction();
try {
$dbw = wfGetDB(DB_MASTER);
$dbw->begin();
$transaction->add($this->prepareDeleteOld($archiveName, $reason, $suppress));
$dbw->immediateCommit();
} catch (MWException $e) {
wfDebug(__METHOD__ . ": db error, rolling back file transaction\n");
$transaction->rollback();
FileStore::unlock();
throw $e;
}
wfDebug(__METHOD__ . ": deleted db items, applying file transaction\n");
$transaction->commit();
FileStore::unlock();
$this->purgeDescription();
// Squid purging
global $wgUseSquid;
if ($wgUseSquid) {
$urlArr = array(wfImageArchiveUrl($archiveName));
wfPurgeSquidServers($urlArr);
}
return true;
}