From 0b78a933bf159e414e4e357d72be2685f4e9dc9d Mon Sep 17 00:00:00 2001
From: "edward.lee%engineering.uiuc.edu"
 <edward.lee%engineering.uiuc.edu@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sat, 3 Nov 2007 17:47:20 +0000
Subject: [PATCH] Bug 402298 - Random base64 file names can contain '/'. r=jst,
 sr=jst, b1.9=mconnor, a=blockingM9

git-svn-id: svn://10.0.0.236/trunk@238476 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/uriloader/exthandler/nsExternalHelperAppService.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mozilla/uriloader/exthandler/nsExternalHelperAppService.cpp b/mozilla/uriloader/exthandler/nsExternalHelperAppService.cpp
index 1c60cb4eee4..dcedb345908 100644
--- a/mozilla/uriloader/exthandler/nsExternalHelperAppService.cpp
+++ b/mozilla/uriloader/exthandler/nsExternalHelperAppService.cpp
@@ -1175,6 +1175,10 @@ nsresult nsExternalAppHandler::SetUpTempFile(nsIChannel * aChannel)
   PR_Free(b64);
   b64 = nsnull;
 
+  // Base64 characters are alphanumeric (a-zA-Z0-9) and '+' and '/', so we need
+  // to replace illegal characters -- notably '/'
+  tempLeafName.ReplaceChar(FILE_PATH_SEPARATOR FILE_ILLEGAL_CHARACTERS, '_');
+
   // now append our extension.
   nsCAutoString ext;
   mMimeInfo->GetPrimaryExtension(ext);