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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/dom/WindowGlobalActor.h"
#include "AutoplayPolicy.h"
#include "nsContentUtils.h"
#include "mozilla/Components.h"
#include "mozilla/ContentBlockingAllowList.h"
#include "mozilla/Logging.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/JSActorService.h"
#include "mozilla/dom/JSWindowActorParent.h"
#include "mozilla/dom/JSWindowActorChild.h"
#include "mozilla/dom/JSWindowActorProtocol.h"
#include "mozilla/dom/PopupBlocker.h"
#include "mozilla/net/CookieJarSettings.h"
#include "mozilla/dom/WindowContext.h"
#include "mozilla/dom/WindowGlobalChild.h"
#include "mozilla/dom/WindowGlobalParent.h"
#include "nsGlobalWindowInner.h"
#include "nsNetUtil.h"
namespace mozilla::dom {
// CORPP 3.1.3 https://mikewest.github.io/corpp/#integration-html
static nsILoadInfo::CrossOriginEmbedderPolicy InheritedPolicy(
dom::BrowsingContext* aBrowsingContext) {
WindowContext* inherit = aBrowsingContext->GetParentWindowContext();
if (inherit) {
return inherit->GetEmbedderPolicy();
}
return nsILoadInfo::EMBEDDER_POLICY_NULL;
}
// Common WindowGlobalInit creation code used by both `AboutBlankInitializer`
// and `WindowInitializer`.
WindowGlobalInit WindowGlobalActor::BaseInitializer(
dom::BrowsingContext* aBrowsingContext, uint64_t aInnerWindowId,
uint64_t aOuterWindowId) {
MOZ_DIAGNOSTIC_ASSERT(aBrowsingContext);
using Indexes = WindowContext::FieldIndexes;
WindowGlobalInit init;
auto& ctx = init.context();
ctx.mInnerWindowId = aInnerWindowId;
ctx.mOuterWindowId = aOuterWindowId;
ctx.mBrowsingContextId = aBrowsingContext->Id();
// If any synced fields need to be initialized from our BrowsingContext, we
// can initialize them here.
auto& fields = ctx.mFields;
fields.Get<Indexes::IDX_EmbedderPolicy>() = InheritedPolicy(aBrowsingContext);
fields.Get<Indexes::IDX_AutoplayPermission>() =
nsIPermissionManager::UNKNOWN_ACTION;
fields.Get<Indexes::IDX_AllowJavascript>() = true;
return init;
}
WindowGlobalInit WindowGlobalActor::AboutBlankInitializer(
dom::BrowsingContext* aBrowsingContext, nsIPrincipal* aPrincipal) {
WindowGlobalInit init =
BaseInitializer(aBrowsingContext, nsContentUtils::GenerateWindowId(),
nsContentUtils::GenerateWindowId());
init.principal() = aPrincipal;
init.storagePrincipal() = aPrincipal;
Unused << NS_NewURI(getter_AddRefs(init.documentURI()), "about:blank");
init.isInitialDocument() = true;
return init;
}
WindowGlobalInit WindowGlobalActor::WindowInitializer(
nsGlobalWindowInner* aWindow) {
WindowGlobalInit init =
BaseInitializer(aWindow->GetBrowsingContext(), aWindow->WindowID(),
aWindow->GetOuterWindow()->WindowID());
init.principal() = aWindow->GetPrincipal();
init.storagePrincipal() = aWindow->GetEffectiveStoragePrincipal();
init.documentURI() = aWindow->GetDocumentURI();
Document* doc = aWindow->GetDocument();
init.isInitialDocument() = doc->IsInitialDocument();
init.blockAllMixedContent() = doc->GetBlockAllMixedContent(false);
init.upgradeInsecureRequests() = doc->GetUpgradeInsecureRequests(false);
init.sandboxFlags() = doc->GetSandboxFlags();
net::CookieJarSettings::Cast(doc->CookieJarSettings())
->Serialize(init.cookieJarSettings());
init.httpsOnlyStatus() = doc->HttpsOnlyStatus();
using Indexes = WindowContext::FieldIndexes;
auto& fields = init.context().mFields;
fields.Get<Indexes::IDX_CookieBehavior>() =
Some(doc->CookieJarSettings()->GetCookieBehavior());
fields.Get<Indexes::IDX_IsOnContentBlockingAllowList>() =
doc->CookieJarSettings()->GetIsOnContentBlockingAllowList();
fields.Get<Indexes::IDX_IsThirdPartyWindow>() = doc->HasThirdPartyChannel();
fields.Get<Indexes::IDX_IsThirdPartyTrackingResourceWindow>() =
nsContentUtils::IsThirdPartyTrackingResourceWindow(aWindow);
fields.Get<Indexes::IDX_ShouldResistFingerprinting>() =
doc->ShouldResistFingerprinting(RFPTarget::IsAlwaysEnabledForPrecompute);
fields.Get<Indexes::IDX_OverriddenFingerprintingSettings>() =
doc->GetOverriddenFingerprintingSettings();
fields.Get<Indexes::IDX_IsSecureContext>() = aWindow->IsSecureContext();
// Initialze permission fields
fields.Get<Indexes::IDX_AutoplayPermission>() =
media::AutoplayPolicy::GetSiteAutoplayPermission(init.principal());
fields.Get<Indexes::IDX_PopupPermission>() =
PopupBlocker::GetPopupPermission(init.principal());
// Initialize top level permission fields
if (aWindow->GetBrowsingContext()->IsTop()) {
fields.Get<Indexes::IDX_AllowMixedContent>() = [&] {
uint32_t permit = nsIPermissionManager::UNKNOWN_ACTION;
nsCOMPtr<nsIPermissionManager> permissionManager =
components::PermissionManager::Service();
if (permissionManager) {
permissionManager->TestPermissionFromPrincipal(
init.principal(), "mixed-content"_ns, &permit);
}
return permit == nsIPermissionManager::ALLOW_ACTION;
}();
fields.Get<Indexes::IDX_ShortcutsPermission>() =
nsGlobalWindowInner::GetShortcutsPermission(init.principal());
}
if (auto policy = doc->GetEmbedderPolicy()) {
fields.Get<Indexes::IDX_EmbedderPolicy>() = *policy;
}
// Init Mixed Content Fields
nsCOMPtr<nsIURI> innerDocURI = NS_GetInnermostURI(doc->GetDocumentURI());
fields.Get<Indexes::IDX_IsSecure>() =
innerDocURI && innerDocURI->SchemeIs("https");
nsCOMPtr<nsITransportSecurityInfo> securityInfo;
if (nsCOMPtr<nsIChannel> channel = doc->GetChannel()) {
nsCOMPtr<nsILoadInfo> loadInfo(channel->LoadInfo());
fields.Get<Indexes::IDX_IsOriginalFrameSource>() =
loadInfo->GetOriginalFrameSrcLoad();
fields.Get<Indexes::IDX_UsingStorageAccess>() =
loadInfo->GetStoragePermission() != nsILoadInfo::NoStoragePermission;
channel->GetSecurityInfo(getter_AddRefs(securityInfo));
}
init.securityInfo() = securityInfo;
fields.Get<Indexes::IDX_IsLocalIP>() =
init.principal()->GetIsLocalIpAddress();
// Most data here is specific to the Document, which can change without
// creating a new WindowGlobal. Anything new added here which fits that
// description should also be synchronized in
// WindowGlobalChild::OnNewDocument.
return init;
}
already_AddRefed<JSActorProtocol> WindowGlobalActor::MatchingJSActorProtocol(
JSActorService* aActorSvc, const nsACString& aName, ErrorResult& aRv) {
RefPtr<JSWindowActorProtocol> proto =
aActorSvc->GetJSWindowActorProtocol(aName);
if (!proto) {
aRv.ThrowNotFoundError(nsPrintfCString("No such JSWindowActor '%s'",
PromiseFlatCString(aName).get()));
return nullptr;
}
if (!proto->Matches(BrowsingContext(), GetDocumentURI(), GetRemoteType(),
aRv)) {
MOZ_ASSERT(aRv.Failed());
return nullptr;
}
MOZ_ASSERT(!aRv.Failed());
return proto.forget();
}
} // namespace mozilla::dom
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