[tbb-commits] [tor-browser/tor-browser-31.6.0esr-4.5-1] fixup! Bug #15502. Isolate blob URLs to first party; no blobURLs in Web Workers

[mikeperry at torproject.org]

commit df5c4bffa70cce25c6ae66cf362c4b4c4b1853d0
Author: Arthur Edelstein <arthuredelstein at gmail.com>
Date:   Thu May 7 12:59:04 2015 -0700

    fixup! Bug #15502. Isolate blob URLs to first party; no blobURLs in Web Workers
---
 browser/extensions/pdfjs/content/PdfStreamConverter.jsm |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/browser/extensions/pdfjs/content/PdfStreamConverter.jsm b/browser/extensions/pdfjs/content/PdfStreamConverter.jsm
index 4e7a795..aa7d6df 100644
--- a/browser/extensions/pdfjs/content/PdfStreamConverter.jsm
+++ b/browser/extensions/pdfjs/content/PdfStreamConverter.jsm
@@ -248,6 +248,12 @@ ChromeActions.prototype = {
       filename = 'document.pdf';
     }
     var blobUri = data.blobUrl ? NetUtil.newURI(data.blobUrl) : originalUri;
+    var netChannel;
+    try {
+      netChannel = NetUtil.newChannel(blobUri);
+    } catch (e) {
+      netChannel = NetUtil.newChannel(originalUri);
+    }
     var extHelperAppSvc =
           Cc['@mozilla.org/uriloader/external-helper-app-service;1'].
              getService(Ci.nsIExternalHelperAppService);
@@ -255,7 +261,6 @@ ChromeActions.prototype = {
                          getService(Ci.nsIWindowWatcher).activeWindow;
 
     var docIsPrivate = this.isInPrivateBrowsing();
-    var netChannel = NetUtil.newChannel(blobUri);
     if ('nsIPrivateBrowsingChannel' in Ci &&
         netChannel instanceof Ci.nsIPrivateBrowsingChannel) {
       netChannel.setPrivate(docIsPrivate);