--- loncom/publisher/loncfile.pm	2009/01/15 18:31:19	1.92
+++ loncom/publisher/loncfile.pm	2009/04/13 21:29:26	1.96
@@ -9,7 +9,7 @@
 #  and displays a page showing the results of the action.
 #
 #
-# $Id: loncfile.pm,v 1.92 2009/01/15 18:31:19 bisitz Exp $
+# $Id: loncfile.pm,v 1.96 2009/04/13 21:29:26 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -361,16 +361,20 @@ sub cleanDest {
 	my ($newpath)=($dest=~m|(.*)/|);
 	$newpath=&relativeDest($fn,$newpath,$uname);
 	if (! -d "$newpath") {
-	    $request->print("<p><span class=\"LC_error\">"
+	    $request->print('<p><span class="LC_error">'
                            .&mt("You have requested to create file in directory [_1] which doesn't exist. The requested directory path has been removed from the requested file name."
                                ,'"'.&display($newpath).'"')
-                           ."</span></p>");
+                           .'</span></p>');
 	    $dest=~s|.*/||;
 	}
     }
     if ($dest =~ /\.(\d+)\.(\w+)$/){
 	$request->print('<span class="LC_error">'
-			.&mt('Bad filename [_1].<br /> <tt>(name).(number).(extension)</tt> not allowed. <br /> Removing the <tt>.number.</tt> from requested filename.',&display($dest))
+			.&mt('Bad filename [_1]','<span class="LC_filename">'.&display($dest).'</span>')
+                        .'<br />'
+                        .&mt('[_1](name).(number).(extension)[_2] not allowed.','<tt>','</tt>')
+                        .'<br />'
+                        .&mt('Removing the [_1].number.[_2] from requested filename.','<tt>','</tt>')
 			.'</span>');
 	$dest =~ s/\.(\d+)(\.\w+)$/$2/;
     }
@@ -584,7 +588,7 @@ sub Delete1 {
 
     if( -e $fn) {
 	$request->print('<input type="hidden" name="newfilename" value="'.
-			$fn.'"/>');
+			$fn.'" />');
         if (-d $fn) {
             unless (&empty_directory($fn,'Delete1')) {
                 $request->print('<h3>'.&mt('Only empty directories may be deleted.').'</h3>'.
@@ -714,9 +718,9 @@ sub NewDir1 {
 	$request->print('</form>');
     } else {
 	if ($mode eq 'testbank') {
-	    $request->print('<input type="hidden" name="callingmode" value="testbank">');
+	    $request->print('<input type="hidden" name="callingmode" value="testbank" />');
 	} elsif ($mode eq 'imsimport') {
-	    $request->print('<input type="hidden" name="callingmode" value="imsimport">');
+	    $request->print('<input type="hidden" name="callingmode" value="imsimport" />');
 	}
 	$request->print('<input type="hidden" name="newfilename" value="'.
 			$newfilename.'" /><p>'.&mt('Make new directory').' '.
@@ -729,7 +733,7 @@ sub NewDir1 {
 sub Decompress1 {
     my ($request, $user, $domain, $fn) = @_;
     if( -e $fn) {
-   	$request->print('<input type="hidden" name="newfilename" value="'.$fn.'"/>');
+   	$request->print('<input type="hidden" name="newfilename" value="'.$fn.'" />');
    	$request->print('<p>'.&mt('Decompress').' '.&display($fn).'?</p>');
    	&CloseForm1($request, $fn);
     } else {
@@ -779,23 +783,10 @@ button which returns you to the driector
 
 sub NewFile1 {
     my ($request, $user, $domain, $fn, $newfilename) = @_;
+    return if (&filename_check($newfilename) ne 'ok');
 
     if ($env{'form.action'} =~ /new(.+)file/) {
 	my $extension=$1;
-
-        ##Informs User (name).(number).(extension) not allowed 
-	if($newfilename =~ /\.(\d+)\.(\w+)$/){
-	    $r->print('<span class="LC_error">'.$newfilename.
-		      ' - '.&mt('Bad Filename').'<br />('.&mt('name').').('.&mt('number').').('.&mt('extension').') '.
-		      ' '.&mt('Not Allowed').'</span>');
-	    return;
-	}
-	if($newfilename =~ /(\:\:\:|\&\&\&|\_\_\_)/){
-	    $r->print('<span class="LC_error">'.$newfilename.
-		      ' - '.&mt('Bad Filename').'<br />('.&mt('Must not include').' '.$1.') '.
-		      ' '.&mt('Not Allowed').'</span>');
-	    return;
-	}
 	if ($newfilename !~ /\Q.$extension\E$/) {
 	    if ($newfilename =~ m|/[^/.]*\.(?:[^/.]+)$|) {
 		#already has an extension strip it and add in expected one
@@ -809,14 +800,57 @@ sub NewFile1 {
     if ($type eq 'error') {
 	$request->print('</form>');
     } else {
-	
+        my $extension;
+
+        if ($newfilename =~ m{[^/.]+\.([^/.]+)$}) {
+            $extension = $1;
+        }
+
+        my @okexts = qw(xml html xhtml htm xhtm problem page sequence rights sty library js css txt);
+        if (($extension eq '') || (!grep(/^\Q$extension\E/,@okexts))) {
+            my $validexts = '.'.join(', .',@okexts);
+            $request->print('<p class="LC_warning">'.
+                &mt('Invalid filename: ').&display($newfilename).'</p><p>'.
+                &mt('The name of the new file needs to end with an appropriate file extension to indicate the type of file to create.').'<br />'.
+                &mt('The following are valid extensions: [_1].',$validexts).
+                '</p></form><p>'.
+		'<form name="fileaction" action="/adm/cfile" method="post">'.
+                '<input type="hidden" name="qualifiedfilename" value="'.$fn.'" />'.
+		'<input type="hidden" name="action" value="newfile" />'.
+	        '<span class ="LC_nobreak">'.&mt('Enter a file name: ').'<input type="text" name="newfilename" value="Type Name Here" onfocus="if (this.value == '."'Type Name Here') this.value=''".'" />&nbsp;<input type="submit" value="Go" />'.
+                '</span></form></p>'.
+                '<p><form action="'.&url($fn).
+                '" method="POST"><p><input type="submit" value="'.&mt('Cancel').'" /></form></p>');
+            return;
+        }
+
 	$request->print('<p>'.&mt('Make new file').' '.&display($newfilename).'?</p>');
 	$request->print('</form>');
+
 	$request->print('<form action="'.&url($newfilename).
 			'" method="POST"><p><input type="submit" value="'.&mt('Continue').'" /></p></form>');
 	$request->print('<form action="'.&url($fn).
 			'" method="POST"><p><input type="submit" value="'.&mt('Cancel').'" /></p></form>');
     }
+    return;
+}
+
+sub filename_check {
+    my ($newfilename) = @_;
+    ##Informs User (name).(number).(extension) not allowed
+    if($newfilename =~ /\.(\d+)\.(\w+)$/){
+        $r->print('<span class="LC_error">'.$newfilename.
+                  ' - '.&mt('Bad Filename').'<br />('.&mt('name').').('.&mt('number').').('.&mt('extension').') '.
+                  ' '.&mt('Not Allowed').'</span>');
+        return;
+    }
+    if($newfilename =~ /(\:\:\:|\&\&\&|\_\_\_)/){
+        $r->print('<span class="LC_error">'.$newfilename.
+                  ' - '.&mt('Bad Filename').'<br />('.&mt('Must not include').' '.$1.') '.
+                  ' '.&mt('Not Allowed').'</span>');
+        return;
+    }
+    return 'ok'; 
 }
 
 =pod
@@ -1360,8 +1394,10 @@ function writeDone() {
     $r->print('<h3>'.&mt('Location').': '.&display($fn).'</h3>');
   
     if (($uname ne $env{'user.name'}) || ($udom ne $env{'user.domain'})) {
-	$r->print('<h3><span class="LC_error">'.&mt('Co-Author').': '.$uname.' at '.$udom.
-		  '</span></h3>');
+        $r->print('<p class="LC_warning">'
+                 .&mt('Co-Author [_1]:[_2]',$uname,$udom)
+                 .'</p>'
+        );
     }