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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Assertions.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/LoadContext.h"
#include "mozilla/Preferences.h"
#include "mozilla/dom/ScriptSettings.h" // for AutoJSAPI
#include "nsContentUtils.h"
#include "xpcpublic.h"
bool
nsILoadContext::GetOriginAttributes(mozilla::DocShellOriginAttributes& aAttrs)
{
mozilla::dom::AutoJSAPI jsapi;
bool ok = jsapi.Init(xpc::PrivilegedJunkScope());
NS_ENSURE_TRUE(ok, false);
JS::Rooted<JS::Value> v(jsapi.cx());
nsresult rv = GetOriginAttributes(&v);
NS_ENSURE_SUCCESS(rv, false);
NS_ENSURE_TRUE(v.isObject(), false);
JS::Rooted<JSObject*> obj(jsapi.cx(), &v.toObject());
// If we're JS-implemented, the object will be left in a different (System-Principaled)
// scope, so we may need to enter its compartment.
MOZ_ASSERT(nsContentUtils::IsSystemPrincipal(nsContentUtils::ObjectPrincipal(obj)));
JSAutoCompartment ac(jsapi.cx(), obj);
mozilla::DocShellOriginAttributes attrs;
ok = attrs.Init(jsapi.cx(), v);
NS_ENSURE_TRUE(ok, false);
aAttrs = attrs;
return true;
}
namespace mozilla {
NS_IMPL_ISUPPORTS(LoadContext, nsILoadContext, nsIInterfaceRequestor)
LoadContext::LoadContext(nsIPrincipal* aPrincipal,
nsILoadContext* aOptionalBase)
: mTopFrameElement(nullptr)
, mNestedFrameId(0)
, mIsContent(true)
, mUseRemoteTabs(false)
#ifdef DEBUG
, mIsNotNull(true)
#endif
{
PrincipalOriginAttributes poa = BasePrincipal::Cast(aPrincipal)->OriginAttributesRef();
mOriginAttributes.InheritFromDocToChildDocShell(poa);
if (!aOptionalBase) {
return;
}
MOZ_ALWAYS_SUCCEEDS(aOptionalBase->GetIsContent(&mIsContent));
MOZ_ALWAYS_SUCCEEDS(aOptionalBase->GetUseRemoteTabs(&mUseRemoteTabs));
}
//-----------------------------------------------------------------------------
// LoadContext::nsILoadContext
//-----------------------------------------------------------------------------
NS_IMETHODIMP
LoadContext::GetAssociatedWindow(mozIDOMWindowProxy**)
{
MOZ_ASSERT(mIsNotNull);
// can't support this in the parent process
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
LoadContext::GetTopWindow(mozIDOMWindowProxy**)
{
MOZ_ASSERT(mIsNotNull);
// can't support this in the parent process
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
LoadContext::GetTopFrameElement(nsIDOMElement** aElement)
{
nsCOMPtr<nsIDOMElement> element = do_QueryReferent(mTopFrameElement);
element.forget(aElement);
return NS_OK;
}
NS_IMETHODIMP
LoadContext::GetNestedFrameId(uint64_t* aId)
{
NS_ENSURE_ARG(aId);
*aId = mNestedFrameId;
return NS_OK;
}
NS_IMETHODIMP
LoadContext::GetIsContent(bool* aIsContent)
{
MOZ_ASSERT(mIsNotNull);
NS_ENSURE_ARG_POINTER(aIsContent);
*aIsContent = mIsContent;
return NS_OK;
}
NS_IMETHODIMP
LoadContext::GetUsePrivateBrowsing(bool* aUsePrivateBrowsing)
{
MOZ_ASSERT(mIsNotNull);
NS_ENSURE_ARG_POINTER(aUsePrivateBrowsing);
*aUsePrivateBrowsing = mOriginAttributes.mPrivateBrowsingId > 0;
return NS_OK;
}
NS_IMETHODIMP
LoadContext::SetUsePrivateBrowsing(bool aUsePrivateBrowsing)
{
MOZ_ASSERT(mIsNotNull);
// We shouldn't need this on parent...
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
LoadContext::SetPrivateBrowsing(bool aUsePrivateBrowsing)
{
MOZ_ASSERT(mIsNotNull);
// We shouldn't need this on parent...
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
LoadContext::GetUseRemoteTabs(bool* aUseRemoteTabs)
{
MOZ_ASSERT(mIsNotNull);
NS_ENSURE_ARG_POINTER(aUseRemoteTabs);
*aUseRemoteTabs = mUseRemoteTabs;
return NS_OK;
}
NS_IMETHODIMP
LoadContext::SetRemoteTabs(bool aUseRemoteTabs)
{
MOZ_ASSERT(mIsNotNull);
// We shouldn't need this on parent...
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
LoadContext::GetIsInIsolatedMozBrowserElement(bool* aIsInIsolatedMozBrowserElement)
{
MOZ_ASSERT(mIsNotNull);
NS_ENSURE_ARG_POINTER(aIsInIsolatedMozBrowserElement);
*aIsInIsolatedMozBrowserElement = mOriginAttributes.mInIsolatedMozBrowser;
return NS_OK;
}
NS_IMETHODIMP
LoadContext::GetAppId(uint32_t* aAppId)
{
MOZ_ASSERT(mIsNotNull);
NS_ENSURE_ARG_POINTER(aAppId);
*aAppId = mOriginAttributes.mAppId;
return NS_OK;
}
NS_IMETHODIMP
LoadContext::GetOriginAttributes(JS::MutableHandleValue aAttrs)
{
JSContext* cx = nsContentUtils::GetCurrentJSContext();
MOZ_ASSERT(cx);
bool ok = ToJSValue(cx, mOriginAttributes, aAttrs);
NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP
LoadContext::IsTrackingProtectionOn(bool* aIsTrackingProtectionOn)
{
MOZ_ASSERT(mIsNotNull);
if (Preferences::GetBool("privacy.trackingprotection.enabled", false)) {
*aIsTrackingProtectionOn = true;
} else if ((mOriginAttributes.mPrivateBrowsingId > 0) &&
Preferences::GetBool("privacy.trackingprotection.pbmode.enabled", false)) {
*aIsTrackingProtectionOn = true;
} else {
*aIsTrackingProtectionOn = false;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// LoadContext::nsIInterfaceRequestor
//-----------------------------------------------------------------------------
NS_IMETHODIMP
LoadContext::GetInterface(const nsIID& aIID, void** aResult)
{
NS_ENSURE_ARG_POINTER(aResult);
*aResult = nullptr;
if (aIID.Equals(NS_GET_IID(nsILoadContext))) {
*aResult = static_cast<nsILoadContext*>(this);
NS_ADDREF_THIS();
return NS_OK;
}
return NS_NOINTERFACE;
}
} // namespace mozilla
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