Bug 346994: part 1, remove leading dots from filenames before saving, r=mano

toolkit/content/contentAreaUtils.js

@@ -830,6 +830,9 @@ function getNormalizedLeafName(aFile, aDefaultExtension)
   // Remove trailing dots and spaces on windows
   aFile = aFile.replace(/[\s.]+$/, "");
 #endif
+
+  // Remove leading dots
+  aFile = aFile.replace(/^\.+/, "");
       
   // Fix up the file name we're saving to to include the default extension
   var i = aFile.lastIndexOf(".");

toolkit/mozapps/downloads/src/nsHelperAppDlg.js.in

@@ -273,6 +273,10 @@ nsUnknownContentTypeDialog.prototype = {
       if (!aLocalFile || !aLocalFile.exists())
         return null;
 
+      // Remove any leading periods, since we don't want to save hidden files
+      // automatically.
+      aLeafName = aLeafName.replace(/^\.+/, "");
+
       if (aLeafName == "")
         aLeafName = "unnamed" + (aFileExt ? "." + aFileExt : "");
       aLocalFile.append(aLeafName);
@@ -286,6 +290,7 @@ nsUnknownContentTypeDialog.prototype = {
         f.remove(false);
         this.makeFileUnique(aLocalFile);
       }
+
       return aLocalFile;
     },