$img = wfLocalFile( $fileName );
}
+ // Check the source file title
+ if ( !$img ) {
+ wfThumbError( 404, wfMessage( 'badtitletext' )->text() );
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
// Check permissions if there are read restrictions
$varyHeader = array();
if ( !in_array( 'read', User::getGroupPermissions( array( '*' ) ), true ) ) {
}
// Check the source file storage path
- if ( !$img ) {
- wfThumbError( 404, wfMessage( 'badtitletext' )->text() );
- wfProfileOut( __METHOD__ );
- return;
- }
if ( !$img->exists() ) {
wfThumbError( 404, 'The source file for the specified thumbnail does not exist.' );
wfProfileOut( __METHOD__ );
$params['temp'] = 1;
}
+ // Check hooks if parameters can be extracted
+ // Hooks return false if they manage to *resolve* the parameters
+ if ( !wfRunHooks( 'ExtractThumbParameters', array( $thumbname, &$params ) ) ) {
+ return $params; // valid thumbnail URL (via extension or config)
// Check if the parameters can be extracted from the thumbnail name...
- if ( preg_match( '!^(page(\d*)-)*(\d*)px-[^/]*$!', $thumbname, $matches ) ) {
+ } elseif ( preg_match( '!^(page(\d*)-)*(\d*)px-[^/]*$!', $thumbname, $matches ) ) {
list( /* all */, $pagefull, $pagenum, $size ) = $matches;
$params['width'] = $size;
if ( $pagenum ) {
$params['page'] = $pagenum;
}
return $params; // valid thumbnail URL
- // Hooks return false if they manage to *resolve* the parameters
- } elseif ( !wfRunHooks( 'ExtractThumbParameters', array( $thumbname, &$params ) ) ) {
- return $params; // valid thumbnail URL (via extension or config)
}
return null; // not a valid thumbnail URL