1 files changed, 18 insertions, 5 deletions

diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 18f9990d0..5a00a4737 100755
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -71,6 +71,10 @@ XPCOMUtils.defineLazyModuleGetter(this, "SafeBrowsing",
   ["gDNSService", "@mozilla.org/network/dns-service;1", "nsIDNSService"],
 ].forEach(([name, cc, ci]) => XPCOMUtils.defineLazyServiceGetter(this, name, cc, ci));
 
+XPCOMUtils.defineLazyServiceGetter(this, "gSerializationHelper",
+                                   "@mozilla.org/network/serialization-helper;1",
+                                   "nsISerializationHelper");
+
 XPCOMUtils.defineLazyGetter(this, "BrowserToolboxProcess", function() {
   let tmp = {};
   Cu.import("resource://devtools/client/framework/ToolboxProcess.jsm", tmp);
@@ -807,6 +811,7 @@ function _loadURIWithFlags(browser, uri, params) {
   if (!uri) {
     uri = "about:blank";
   }
+  let triggeringPrincipal = params.triggeringPrincipal || null;
   let flags = params.flags || 0;
   let referrer = params.referrerURI;
   let referrerPolicy = ('referrerPolicy' in params ? params.referrerPolicy :
@@ -831,7 +836,7 @@ function _loadURIWithFlags(browser, uri, params) {
 
       browser.webNavigation.loadURIWithOptions(uri, flags,
                                                referrer, referrerPolicy,
-                                               postData, null, null);
+                                               postData, null, null, triggeringPrincipal);
     } else {
       // Check if the current browser is allowed to unload.
       let {permitUnload, timedOut} = browser.permitUnload();
@@ -845,6 +850,9 @@ function _loadURIWithFlags(browser, uri, params) {
 
       let loadParams = {
         uri: uri,
+        triggeringPrincipal: triggeringPrincipal
+          ? gSerializationHelper.serializePrincipal(triggeringPrincipal)
+          : null,
         flags: flags,
         referrer: referrer ? referrer.spec : null,
         referrerPolicy: referrerPolicy,
@@ -872,7 +880,7 @@ function _loadURIWithFlags(browser, uri, params) {
       }
 
       browser.webNavigation.loadURIWithOptions(uri, flags, referrer, referrerPolicy,
-                                               postData, null, null);
+                                               postData, null, null, triggeringPrincipal);
     } else {
       throw e;
     }
@@ -4837,7 +4845,7 @@ nsBrowserAccess.prototype = {
   _openURIInNewTab: function(aURI, aReferrer, aReferrerPolicy, aIsPrivate,
                              aIsExternal, aForceNotRemote=false,
                              aUserContextId=Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID,
-                             aOpener=null) {
+                             aOpener = null, aTriggeringPrincipal = null) {
     let win, needToFocusWin;
 
     // try the current window.  if we're in a popup, fall back on the most recent browser window
@@ -4862,6 +4870,7 @@ nsBrowserAccess.prototype = {
     let loadInBackground = gPrefService.getBoolPref("browser.tabs.loadDivertedInBackground");
 
     let tab = win.gBrowser.loadOneTab(aURI ? aURI.spec : "about:blank", {
+                                      triggeringPrincipal: aTriggeringPrincipal,
                                       referrerURI: aReferrer,
                                       referrerPolicy: aReferrerPolicy,
                                       userContextId: aUserContextId,
@@ -4910,9 +4919,11 @@ nsBrowserAccess.prototype = {
     }
 
     let referrer = aOpener ? makeURI(aOpener.location.href) : null;
+    let triggeringPrincipal = null;
     let referrerPolicy = Ci.nsIHttpChannel.REFERRER_POLICY_DEFAULT;
     if (aOpener && aOpener.document) {
       referrerPolicy = aOpener.document.referrerPolicy;
+      triggeringPrincipal = aOpener.document.nodePrincipal;
     }
     let isPrivate = aOpener
                   ? PrivateBrowsingUtils.isContentWindowPrivate(aOpener)
@@ -4946,7 +4957,7 @@ nsBrowserAccess.prototype = {
         let browser = this._openURIInNewTab(aURI, referrer, referrerPolicy,
                                             isPrivate, isExternal,
                                             forceNotRemote, userContextId,
-                                            openerWindow);
+                                            openerWindow, triggeringPrincipal);
         if (browser)
           newWindow = browser.contentWindow;
         break;
@@ -4957,6 +4968,7 @@ nsBrowserAccess.prototype = {
                             Ci.nsIWebNavigation.LOAD_FLAGS_FROM_EXTERNAL :
                             Ci.nsIWebNavigation.LOAD_FLAGS_NONE;
           gBrowser.loadURIWithFlags(aURI.spec, {
+                                    triggeringPrincipal,
                                     flags: loadflags,
                                     referrerURI: referrer,
                                     referrerPolicy: referrerPolicy,
@@ -4985,7 +4997,8 @@ nsBrowserAccess.prototype = {
                                         aParams.referrerPolicy,
                                         aParams.isPrivate,
                                         isExternal, false,
-                                        userContextId);
+                                        userContextId, null,
+                                        aParams.triggeringPrincipal);
     if (browser)
       return browser.QueryInterface(Ci.nsIFrameLoaderOwner);