moebius#230: Consider blocking top level window data: URIs (part 3/3 without tests)

https://github.com/MoonchildProductions/moebius/pull/230

2 files changed, 7 insertions, 1 deletions

diff --git a/application/palemoon/base/content/nsContextMenu.js b/application/palemoon/base/content/nsContextMenu.js
index 3d5d40e4c..830c20998 100644
--- a/application/palemoon/base/content/nsContextMenu.js
+++ b/application/palemoon/base/content/nsContextMenu.js
@@ -909,7 +909,8 @@ nsContextMenu.prototype = {
                        Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
       let doc = this.target.ownerDocument;
       openUILink(viewURL, e, { disallowInheritPrincipal: true,
-                               referrerURI: doc.documentURIObject });
+                               referrerURI: doc.documentURIObject,
+                               forceAllowDataURI: true });
     }
   },
 
diff --git a/application/palemoon/base/content/utilityOverlay.js b/application/palemoon/base/content/utilityOverlay.js
index b1e78d6a9..86cc5cea5 100644
--- a/application/palemoon/base/content/utilityOverlay.js
+++ b/application/palemoon/base/content/utilityOverlay.js
@@ -205,6 +205,7 @@ function openUILinkIn(url, where, aAllowThirdPartyFixup, aPostData, aReferrerURI
   openLinkIn(url, where, params);
 }
 
+/* eslint-disable complexity */
 function openLinkIn(url, where, params) {
   if (!where || !url)
     return;
@@ -215,6 +216,7 @@ function openLinkIn(url, where, params) {
   var aCharset              = params.charset;
   var aReferrerURI          = params.referrerURI;
   var aRelatedToCurrent     = params.relatedToCurrent;
+  var aForceAllowDataURI    = params.forceAllowDataURI;
   var aInBackground         = params.inBackground;
   var aDisallowInheritPrincipal = params.disallowInheritPrincipal;
   var aInitiatingDoc        = params.initiatingDoc;
@@ -315,6 +317,9 @@ function openLinkIn(url, where, params) {
     }
     if (aDisallowInheritPrincipal)
       flags |= Ci.nsIWebNavigation.LOAD_FLAGS_DISALLOW_INHERIT_OWNER;
+    if (aForceAllowDataURI) {
+      flags |= Ci.nsIWebNavigation.LOAD_FLAGS_FORCE_ALLOW_DATA_URI;
+    }
     w.gBrowser.loadURIWithFlags(url, flags, aReferrerURI, null, aPostData);
     break;
   case "tabshifted":