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firefox/dom/clients/manager/ClientOpenWindowUtils.cpp
Daniel Baumann 5e9a113729
Adding upstream version 140.0. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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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 "ClientOpenWindowUtils.h"
#include "ClientInfo.h"
#include "ClientManager.h"
#include "ClientState.h"
#include "mozilla/ResultExtensions.h"
#include "mozilla/dom/ContentParent.h"
#include "nsContentUtils.h"
#include "nsDocShell.h"
#include "nsDocShellLoadState.h"
#include "nsFocusManager.h"
#include "nsGlobalWindowOuter.h"
#include "nsIBrowserDOMWindow.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIURI.h"
#include "nsIBrowser.h"
#include "nsIWebProgress.h"
#include "nsIWebProgressListener.h"
#include "nsIWindowMediator.h"
#include "nsIWindowWatcher.h"
#include "nsIXPConnect.h"
#include "nsNetUtil.h"
#include "nsPIDOMWindow.h"
#include "nsPIWindowWatcher.h"
#include "nsPrintfCString.h"
#include "nsWindowWatcher.h"
#include "nsOpenWindowInfo.h"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/dom/BrowsingContext.h"
#include "mozilla/dom/CanonicalBrowsingContext.h"
#include "mozilla/dom/nsCSPContext.h"
#include "mozilla/dom/WindowGlobalParent.h"
#ifdef MOZ_GECKOVIEW
# include "mozilla/dom/Promise-inl.h"
# include "nsIGeckoViewServiceWorker.h"
# include "nsImportModule.h"
#endif
namespace mozilla::dom {
namespace {
class WebProgressListener final : public nsIWebProgressListener,
public nsSupportsWeakReference {
public:
NS_DECL_ISUPPORTS
WebProgressListener(BrowsingContext* aBrowsingContext, nsIURI* aBaseURI,
already_AddRefed<ClientOpPromise::Private> aPromise)
: mPromise(aPromise),
mBaseURI(aBaseURI),
mBrowserId(aBrowsingContext->GetBrowserId()) {
MOZ_ASSERT(mBrowserId != 0);
MOZ_ASSERT(aBaseURI);
MOZ_ASSERT(NS_IsMainThread());
}
NS_IMETHOD
OnStateChange(nsIWebProgress* aWebProgress, nsIRequest* aRequest,
uint32_t aStateFlags, nsresult aStatus) override {
if (!(aStateFlags & STATE_IS_WINDOW) ||
!(aStateFlags & (STATE_STOP | STATE_TRANSFERRING))) {
return NS_OK;
}
// Our browsing context may have been discarded before finishing the load,
// this is a navigation error.
RefPtr<CanonicalBrowsingContext> browsingContext =
CanonicalBrowsingContext::Cast(
BrowsingContext::GetCurrentTopByBrowserId(mBrowserId));
if (!browsingContext || browsingContext->IsDiscarded()) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Unable to open window");
mPromise->Reject(rv, __func__);
mPromise = nullptr;
return NS_OK;
}
// Our caller keeps a strong reference, so it is safe to remove the listener
// from the BrowsingContext's nsIWebProgress.
auto RemoveListener = [&] {
nsCOMPtr<nsIWebProgress> webProgress = browsingContext->GetWebProgress();
webProgress->RemoveProgressListener(this);
};
RefPtr<dom::WindowGlobalParent> wgp =
browsingContext->GetCurrentWindowGlobal();
if (NS_WARN_IF(!wgp)) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Unable to open window");
mPromise->Reject(rv, __func__);
mPromise = nullptr;
RemoveListener();
return NS_OK;
}
if (NS_WARN_IF(wgp->IsInitialDocument())) {
// This is the load of the initial document, which is not the document we
// care about for the purposes of checking same-originness of the URL.
return NS_OK;
}
RemoveListener();
// Check same origin. If the origins do not match, resolve with null (per
// step 7.2.7.1 of the openWindow spec).
nsCOMPtr<nsIScriptSecurityManager> securityManager =
nsContentUtils::GetSecurityManager();
bool isPrivateWin =
wgp->DocumentPrincipal()->OriginAttributesRef().IsPrivateBrowsing();
nsresult rv = securityManager->CheckSameOriginURI(
wgp->GetDocumentURI(), mBaseURI, false, isPrivateWin);
if (NS_WARN_IF(NS_FAILED(rv))) {
mPromise->Resolve(CopyableErrorResult(), __func__);
mPromise = nullptr;
return NS_OK;
}
Maybe<ClientInfo> info = wgp->GetClientInfo();
if (info.isNothing()) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Unable to open window");
mPromise->Reject(rv, __func__);
mPromise = nullptr;
return NS_OK;
}
const nsID& id = info.ref().Id();
const mozilla::ipc::PrincipalInfo& principal = info.ref().PrincipalInfo();
ClientManager::GetInfoAndState(ClientGetInfoAndStateArgs(id, principal),
GetCurrentSerialEventTarget())
->ChainTo(mPromise.forget(), __func__);
return NS_OK;
}
NS_IMETHOD
OnProgressChange(nsIWebProgress* aWebProgress, nsIRequest* aRequest,
int32_t aCurSelfProgress, int32_t aMaxSelfProgress,
int32_t aCurTotalProgress,
int32_t aMaxTotalProgress) override {
MOZ_ASSERT(false, "Unexpected notification.");
return NS_OK;
}
NS_IMETHOD
OnLocationChange(nsIWebProgress* aWebProgress, nsIRequest* aRequest,
nsIURI* aLocation, uint32_t aFlags) override {
MOZ_ASSERT(false, "Unexpected notification.");
return NS_OK;
}
NS_IMETHOD
OnStatusChange(nsIWebProgress* aWebProgress, nsIRequest* aRequest,
nsresult aStatus, const char16_t* aMessage) override {
MOZ_ASSERT(false, "Unexpected notification.");
return NS_OK;
}
NS_IMETHOD
OnSecurityChange(nsIWebProgress* aWebProgress, nsIRequest* aRequest,
uint32_t aState) override {
MOZ_ASSERT(false, "Unexpected notification.");
return NS_OK;
}
NS_IMETHOD
OnContentBlockingEvent(nsIWebProgress* aWebProgress, nsIRequest* aRequest,
uint32_t aEvent) override {
MOZ_ASSERT(false, "Unexpected notification.");
return NS_OK;
}
private:
~WebProgressListener() {
if (mPromise) {
CopyableErrorResult rv;
rv.ThrowAbortError("openWindow aborted");
mPromise->Reject(rv, __func__);
mPromise = nullptr;
}
}
RefPtr<ClientOpPromise::Private> mPromise;
nsCOMPtr<nsIURI> mBaseURI;
uint64_t mBrowserId;
};
NS_IMPL_ISUPPORTS(WebProgressListener, nsIWebProgressListener,
nsISupportsWeakReference);
struct ClientOpenWindowArgsParsed {
nsCOMPtr<nsIURI> uri;
nsCOMPtr<nsIURI> baseURI;
nsCOMPtr<nsIPrincipal> principal;
nsCOMPtr<nsIContentSecurityPolicy> csp;
RefPtr<ThreadsafeContentParentHandle> originContent;
};
#ifndef MOZ_GECKOVIEW
void OpenWindow(const ClientOpenWindowArgsParsed& aArgsValidated,
nsOpenWindowInfo* aOpenInfo, BrowsingContext** aBC,
ErrorResult& aRv) {
MOZ_DIAGNOSTIC_ASSERT(aBC);
// [[6.1 Open Window]]
// Find the most recent browser window and open a new tab in it.
WindowMediatorFilter filter = WindowMediatorFilter::SkipClosed;
if (aArgsValidated.principal->GetIsInPrivateBrowsing()) {
filter |= WindowMediatorFilter::SkipNonPrivateBrowsing;
} else {
filter |= WindowMediatorFilter::SkipPrivateBrowsing;
}
nsCOMPtr<nsPIDOMWindowOuter> browserWindow =
nsContentUtils::GetMostRecentWindowBy(filter);
if (!browserWindow) {
// It is possible to be running without a browser window on Mac OS, so
// we need to open a new chrome window.
// TODO(catalinb): open new chrome window. Bug 1218080
aRv.ThrowTypeError("Unable to open window");
return;
}
if (NS_WARN_IF(!nsGlobalWindowOuter::Cast(browserWindow)->IsChromeWindow())) {
// XXXbz Can this actually happen? Seems unlikely.
aRv.ThrowTypeError("Unable to open window");
return;
}
nsCOMPtr<nsIBrowserDOMWindow> bwin =
nsGlobalWindowOuter::Cast(browserWindow)->GetBrowserDOMWindow();
if (NS_WARN_IF(!bwin)) {
aRv.ThrowTypeError("Unable to open window");
return;
}
nsresult rv = bwin->CreateContentWindow(
nullptr, aOpenInfo, nsIBrowserDOMWindow::OPEN_DEFAULTWINDOW,
nsIBrowserDOMWindow::OPEN_NEW, aArgsValidated.principal,
aArgsValidated.csp, aBC);
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.ThrowTypeError("Unable to open window");
return;
}
}
#endif
void WaitForLoad(const ClientOpenWindowArgsParsed& aArgsValidated,
BrowsingContext* aBrowsingContext,
ClientOpPromise::Private* aPromise) {
MOZ_DIAGNOSTIC_ASSERT(aBrowsingContext);
RefPtr<ClientOpPromise::Private> promise = aPromise;
// We can get a WebProgress off of
// the BrowsingContext for the <xul:browser> to listen for content
// events. Note that this WebProgress filters out events which don't have
// STATE_IS_NETWORK or STATE_IS_REDIRECTED_DOCUMENT set on them, and so this
// listener will only see some web progress events.
nsCOMPtr<nsIWebProgress> webProgress =
aBrowsingContext->Canonical()->GetWebProgress();
if (NS_WARN_IF(!webProgress)) {
CopyableErrorResult result;
result.ThrowInvalidStateError("Unable to watch window for navigation");
promise->Reject(result, __func__);
return;
}
// Add a progress listener before we start the load of the service worker URI
RefPtr<WebProgressListener> listener = new WebProgressListener(
aBrowsingContext, aArgsValidated.baseURI, do_AddRef(promise));
nsresult rv = webProgress->AddProgressListener(
listener, nsIWebProgress::NOTIFY_STATE_WINDOW);
if (NS_WARN_IF(NS_FAILED(rv))) {
CopyableErrorResult result;
// XXXbz Can we throw something better here?
result.Throw(rv);
promise->Reject(result, __func__);
return;
}
// Load the service worker URI
RefPtr<nsDocShellLoadState> loadState =
new nsDocShellLoadState(aArgsValidated.uri);
loadState->SetTriggeringPrincipal(aArgsValidated.principal);
loadState->SetFirstParty(true);
loadState->SetLoadFlags(
nsIWebNavigation::LOAD_FLAGS_DISALLOW_INHERIT_PRINCIPAL);
loadState->SetTriggeringRemoteType(
aArgsValidated.originContent
? aArgsValidated.originContent->GetRemoteType()
: NOT_REMOTE_TYPE);
rv = aBrowsingContext->LoadURI(loadState, true);
if (NS_FAILED(rv)) {
CopyableErrorResult result;
result.ThrowInvalidStateError("Unable to start the load of the actual URI");
promise->Reject(result, __func__);
return;
}
// Hold the listener alive until the promise settles.
promise->Then(
GetMainThreadSerialEventTarget(), __func__,
[listener](const ClientOpResult& aResult) {},
[listener](const CopyableErrorResult& aResult) {});
}
#ifdef MOZ_GECKOVIEW
void GeckoViewOpenWindow(const ClientOpenWindowArgsParsed& aArgsValidated,
nsOpenWindowInfo* aOpenInfo, BrowsingContext** aBC,
ErrorResult& aRv) {
MOZ_ASSERT(aOpenInfo);
// passes the request to open a new window to GeckoView. Allowing the
// application to decide how to hand the open window request.
nsCOMPtr<nsIGeckoViewServiceWorker> sw = do_ImportESModule(
"resource://gre/modules/GeckoViewServiceWorker.sys.mjs");
MOZ_ASSERT(sw);
RefPtr<dom::Promise> promise;
nsresult rv =
sw->OpenWindow(aArgsValidated.uri, aOpenInfo, getter_AddRefs(promise));
if (NS_WARN_IF(NS_FAILED(rv))) {
aRv.Throw(rv);
return;
}
promise->AddCallbacksWithCycleCollectedArgs(
[](JSContext* aCx, JS::Handle<JS::Value> aValue, ErrorResult& aRv,
nsOpenWindowInfo* aOpenWindowInfo) {
if (aValue.isNull()) {
// nsIBrowsingContextReadyCallback will be called when browsing
// context is ready
return;
}
auto cancelOpen =
MakeScopeExit([&aOpenWindowInfo] { aOpenWindowInfo->Cancel(); });
RefPtr<BrowsingContext> browsingContext;
if (NS_WARN_IF(!aValue.isObject()) ||
NS_WARN_IF(NS_FAILED(
UNWRAP_OBJECT(BrowsingContext, aValue, browsingContext)))) {
return;
}
if (nsIBrowsingContextReadyCallback* callback =
aOpenWindowInfo->BrowsingContextReadyCallback()) {
callback->BrowsingContextReady(browsingContext);
}
cancelOpen.release();
},
[](JSContext* aContext, JS::Handle<JS::Value> aValue, ErrorResult& aRv,
nsOpenWindowInfo* aOpenWindowInfo) { aOpenWindowInfo->Cancel(); },
RefPtr(aOpenInfo));
}
#endif // MOZ_GECKOVIEW
} // anonymous namespace
RefPtr<ClientOpPromise> ClientOpenWindow(
ThreadsafeContentParentHandle* aOriginContent,
const ClientOpenWindowArgs& aArgs) {
MOZ_DIAGNOSTIC_ASSERT(XRE_IsParentProcess());
RefPtr<ClientOpPromise::Private> promise =
new ClientOpPromise::Private(__func__);
// [[1. Let url be the result of parsing url with entry settings object's API
// base URL.]]
nsCOMPtr<nsIURI> baseURI;
nsresult rv = NS_NewURI(getter_AddRefs(baseURI), aArgs.baseURL());
if (NS_WARN_IF(NS_FAILED(rv))) {
nsPrintfCString err("Invalid base URL \"%s\"", aArgs.baseURL().get());
CopyableErrorResult errResult;
errResult.ThrowTypeError(err);
promise->Reject(errResult, __func__);
return promise;
}
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), aArgs.url(), nullptr, baseURI);
if (NS_WARN_IF(NS_FAILED(rv))) {
nsPrintfCString err("Invalid URL \"%s\"", aArgs.url().get());
CopyableErrorResult errResult;
errResult.ThrowTypeError(err);
promise->Reject(errResult, __func__);
return promise;
}
auto principalOrErr = PrincipalInfoToPrincipal(aArgs.principalInfo());
if (NS_WARN_IF(principalOrErr.isErr())) {
CopyableErrorResult errResult;
errResult.ThrowTypeError("Failed to obtain principal");
promise->Reject(errResult, __func__);
return promise;
}
nsCOMPtr<nsIPrincipal> principal = principalOrErr.unwrap();
MOZ_DIAGNOSTIC_ASSERT(principal);
nsCOMPtr<nsIContentSecurityPolicy> csp;
if (aArgs.cspInfo().isSome()) {
csp = CSPInfoToCSP(aArgs.cspInfo().ref(), nullptr);
}
ClientOpenWindowArgsParsed argsValidated{
.uri = uri,
.baseURI = baseURI,
.principal = principal,
.csp = csp,
.originContent = aOriginContent,
};
RefPtr<BrowsingContextCallbackReceivedPromise::Private>
browsingContextReadyPromise =
new BrowsingContextCallbackReceivedPromise::Private(__func__);
RefPtr<nsIBrowsingContextReadyCallback> callback =
new nsBrowsingContextReadyCallback(browsingContextReadyPromise);
RefPtr<nsOpenWindowInfo> openInfo = new nsOpenWindowInfo();
openInfo->mBrowsingContextReadyCallback = callback;
openInfo->mOriginAttributes = principal->OriginAttributesRef();
openInfo->mIsRemote = true;
RefPtr<BrowsingContext> bc;
IgnoredErrorResult errResult;
#ifdef MOZ_GECKOVIEW
// GeckoView has a delegation for service worker window.
GeckoViewOpenWindow(argsValidated, openInfo, getter_AddRefs(bc), errResult);
#else
OpenWindow(argsValidated, openInfo, getter_AddRefs(bc), errResult);
#endif
if (NS_WARN_IF(errResult.Failed())) {
promise->Reject(errResult, __func__);
return promise;
}
browsingContextReadyPromise->Then(
GetCurrentSerialEventTarget(), __func__,
[argsValidated, promise](const RefPtr<BrowsingContext>& aBC) {
WaitForLoad(argsValidated, aBC, promise);
},
[promise]() {
// in case of failure, reject the original promise
CopyableErrorResult result;
result.ThrowTypeError("Unable to open window");
promise->Reject(result, __func__);
});
if (bc) {
browsingContextReadyPromise->Resolve(bc, __func__);
}
return promise;
}
} // namespace mozilla::dom
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