tenfourfox/docshell/base/LoadContext.cpp
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

226 lines
5.4 KiB
C++

/* -*- 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/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)
, mUsePrivateBrowsing(false)
, mUseRemoteTabs(false)
#ifdef DEBUG
, mIsNotNull(true)
#endif
{
PrincipalOriginAttributes poa = BasePrincipal::Cast(aPrincipal)->OriginAttributesRef();
mOriginAttributes = DocShellOriginAttributes(poa.mAppId, poa.mInBrowser);
if (!aOptionalBase) {
return;
}
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(aOptionalBase->GetIsContent(&mIsContent)));
MOZ_ALWAYS_TRUE(
NS_SUCCEEDED(aOptionalBase->GetUsePrivateBrowsing(&mUsePrivateBrowsing)));
MOZ_ALWAYS_TRUE(
NS_SUCCEEDED(aOptionalBase->GetUseRemoteTabs(&mUseRemoteTabs)));
}
//-----------------------------------------------------------------------------
// LoadContext::nsILoadContext
//-----------------------------------------------------------------------------
NS_IMETHODIMP
LoadContext::GetAssociatedWindow(nsIDOMWindow**)
{
MOZ_ASSERT(mIsNotNull);
// can't support this in the parent process
return NS_ERROR_UNEXPECTED;
}
NS_IMETHODIMP
LoadContext::GetTopWindow(nsIDOMWindow**)
{
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::IsAppOfType(uint32_t, bool*)
{
MOZ_ASSERT(mIsNotNull);
// don't expect we need this in parent (Thunderbird/SeaMonkey specific?)
return NS_ERROR_UNEXPECTED;
}
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 = mUsePrivateBrowsing;
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::GetIsInBrowserElement(bool* aIsInBrowserElement)
{
MOZ_ASSERT(mIsNotNull);
NS_ENSURE_ARG_POINTER(aIsInBrowserElement);
*aIsInBrowserElement = mOriginAttributes.mInBrowser;
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;
}
//-----------------------------------------------------------------------------
// 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