+
+function wfImageDir( $fname )
+{
+ global $wgUploadDirectory;
+
+ $hash = md5( $fname );
+ $oldumask = umask(0);
+ $dest = $wgUploadDirectory . '/' . $hash{0};
+ if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
+ $dest .= '/' . substr( $hash, 0, 2 );
+ if ( ! is_dir( $dest ) ) { mkdir( $dest, 0777 ); }
+
+ umask( $oldumask );
+ return $dest;
+}
+
+function wfImageThumbDir( $fname , $subdir='thumb')
+{
+ return wfImageArchiveDir( $fname, $subdir );
+}
+
+function wfImageArchiveDir( $fname , $subdir='archive')
+{
+ global $wgUploadDirectory;
+
+ $hash = md5( $fname );
+ $oldumask = umask(0);
+
+ # Suppress warning messages here; if the file itself can't
+ # be written we'll worry about it then.
+ $archive = $wgUploadDirectory.'/'.$subdir;
+ if ( ! is_dir( $archive ) ) { @mkdir( $archive, 0777 ); }
+ $archive .= '/' . $hash{0};
+ if ( ! is_dir( $archive ) ) { @mkdir( $archive, 0777 ); }
+ $archive .= '/' . substr( $hash, 0, 2 );
+ if ( ! is_dir( $archive ) ) { @mkdir( $archive, 0777 ); }
+
+ umask( $oldumask );
+ return $archive;
+}
+
+function wfRecordUpload( $name, $oldver, $size, $desc, $copyStatus = "", $source = "" )
+{
+ global $wgUser, $wgLang, $wgTitle, $wgOut, $wgDeferredUpdateList;
+ global $wgUseCopyrightUpload;
+
+ $fname = 'wfRecordUpload';
+ $dbw =& wfGetDB( DB_MASTER );
+
+ # img_name must be unique
+ if ( !$dbw->indexUnique( 'image', 'img_name' ) ) {
+ wfDebugDieBacktrace( 'Database schema not up to date, please run maintenance/archives/patch-image_name_unique.sql' );
+ }
+
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+ $size = IntVal( $size );
+
+ if ( $wgUseCopyrightUpload )
+ {
+ $textdesc = '== ' . wfMsg ( 'filedesc' ) . " ==\n" . $desc . "\n" .
+ '== ' . wfMsg ( 'filestatus' ) . " ==\n" . $copyStatus . "\n" .
+ '== ' . wfMsg ( 'filesource' ) . " ==\n" . $source ;
+ }
+ else $textdesc = $desc ;
+
+ $now = wfTimestampNow();
+ $won = wfInvertTimestamp( $now );
+
+ # Test to see if the row exists using INSERT IGNORE
+ # This avoids race conditions by locking the row until the commit, and also
+ # doesn't deadlock. SELECT FOR UPDATE causes a deadlock for every race condition.
+ $dbw->insertArray( 'image',
+ array(
+ 'img_name' => $name,
+ 'img_size'=> $size,
+ 'img_timestamp' => $dbw->timestamp($now),
+ 'img_description' => $desc,
+ 'img_user' => $wgUser->getID(),
+ 'img_user_text' => $wgUser->getName(),
+ ), $fname, 'IGNORE'
+ );
+ $descTitle = Title::makeTitleSafe( NS_IMAGE, $name );
+
+ if ( $dbw->affectedRows() ) {
+ # Successfully inserted, this is a new image
+ $id = $descTitle->getArticleID();
+
+ if ( $id == 0 ) {
+ $seqVal = $dbw->nextSequenceValue( 'cur_cur_id_seq' );
+ $dbw->insertArray( 'cur',
+ array(
+ 'cur_id' => $seqVal,
+ 'cur_namespace' => NS_IMAGE,
+ 'cur_title' => $name,
+ 'cur_comment' => $desc,
+ 'cur_user' => $wgUser->getID(),
+ 'cur_user_text' => $wgUser->getName(),
+ 'cur_timestamp' => $dbw->timestamp($now),
+ 'cur_is_new' => 1,
+ 'cur_text' => $textdesc,
+ 'inverse_timestamp' => $won,
+ 'cur_touched' => $dbw->timestamp($now)
+ ), $fname
+ );
+ $id = $dbw->insertId() or 0; # We should throw an error instead
+
+ RecentChange::notifyNew( $now, $descTitle, 0, $wgUser, $desc );
+
+ $u = new SearchUpdate( $id, $name, $desc );
+ $u->doUpdate();
+ }
+ } else {
+ # Collision, this is an update of an image
+ # Get current image row for update
+ $s = $dbw->getArray( 'image', array( 'img_name','img_size','img_timestamp','img_description',
+ 'img_user','img_user_text' ), array( 'img_name' => $name ), $fname, 'FOR UPDATE' );
+
+ # Insert it into oldimage
+ $dbw->insertArray( 'oldimage',
+ array(
+ 'oi_name' => $s->img_name,
+ 'oi_archive_name' => $oldver,
+ 'oi_size' => $s->img_size,
+ 'oi_timestamp' => $dbw->timestamp($s->img_timestamp),
+ 'oi_description' => $s->img_description,
+ 'oi_user' => $s->img_user,
+ 'oi_user_text' => $s->img_user_text
+ ), $fname
+ );
+
+ # Update the current image row
+ $dbw->updateArray( 'image',
+ array( /* SET */
+ 'img_size' => $size,
+ 'img_timestamp' => $dbw->timestamp(),
+ 'img_user' => $wgUser->getID(),
+ 'img_user_text' => $wgUser->getName(),
+ 'img_description' => $desc,
+ ), array( /* WHERE */
+ 'img_name' => $name
+ ), $fname
+ );
+
+ # Invalidate the cache for the description page
+ $descTitle->invalidateCache();
+ }
+
+ $log = new LogPage( 'upload' );
+ $log->addEntry( 'upload', $descTitle, $desc );
+}
+
+function wfImageArchiveUrl( $name )
+{
+ global $wgUploadPath;
+
+ $hash = md5( substr( $name, 15) );
+ $url = $wgUploadPath.'/archive/' . $hash{0} . '/' .
+ substr( $hash, 0, 2 ) . '/'.$name;
+ return wfUrlencode($url);
+}
+
+?>