зеркало из https://github.com/mozilla/gecko-dev.git
131 строка
4.3 KiB
C++
131 строка
4.3 KiB
C++
/* -*- 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 "StorageAccessPermissionRequest.h"
|
|
#include "nsGlobalWindowInner.h"
|
|
#include "mozilla/StaticPrefs_dom.h"
|
|
#include <cstdlib>
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(StorageAccessPermissionRequest,
|
|
ContentPermissionRequestBase)
|
|
|
|
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(StorageAccessPermissionRequest,
|
|
ContentPermissionRequestBase)
|
|
|
|
StorageAccessPermissionRequest::StorageAccessPermissionRequest(
|
|
nsPIDOMWindowInner* aWindow, nsIPrincipal* aNodePrincipal,
|
|
AllowCallback&& aAllowCallback, CancelCallback&& aCancelCallback)
|
|
: ContentPermissionRequestBase(aNodePrincipal, aWindow,
|
|
"dom.storage_access"_ns,
|
|
"storage-access"_ns),
|
|
mAllowCallback(std::move(aAllowCallback)),
|
|
mCancelCallback(std::move(aCancelCallback)),
|
|
mCallbackCalled(false) {
|
|
mPermissionRequests.AppendElement(
|
|
PermissionRequest(mType, nsTArray<nsString>()));
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
StorageAccessPermissionRequest::Cancel() {
|
|
if (!mCallbackCalled) {
|
|
mCallbackCalled = true;
|
|
mCancelCallback();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
StorageAccessPermissionRequest::Allow(JS::HandleValue aChoices) {
|
|
nsTArray<PermissionChoice> choices;
|
|
nsresult rv = TranslateChoices(aChoices, mPermissionRequests, choices);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// There is no support to allow grants automatically from the prompting code
|
|
// path.
|
|
|
|
if (!mCallbackCalled) {
|
|
mCallbackCalled = true;
|
|
if (choices.Length() == 1 && choices[0].choice().EqualsLiteral("allow")) {
|
|
mAllowCallback();
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
RefPtr<StorageAccessPermissionRequest::AutoGrantDelayPromise>
|
|
StorageAccessPermissionRequest::MaybeDelayAutomaticGrants() {
|
|
RefPtr<AutoGrantDelayPromise::Private> p =
|
|
new AutoGrantDelayPromise::Private(__func__);
|
|
|
|
unsigned simulatedDelay = CalculateSimulatedDelay();
|
|
if (simulatedDelay) {
|
|
nsCOMPtr<nsITimer> timer;
|
|
RefPtr<AutoGrantDelayPromise::Private> promise = p;
|
|
nsresult rv = NS_NewTimerWithFuncCallback(
|
|
getter_AddRefs(timer),
|
|
[](nsITimer* aTimer, void* aClosure) -> void {
|
|
auto* promise =
|
|
static_cast<AutoGrantDelayPromise::Private*>(aClosure);
|
|
promise->Resolve(true, __func__);
|
|
NS_RELEASE(aTimer);
|
|
NS_RELEASE(promise);
|
|
},
|
|
promise, simulatedDelay, nsITimer::TYPE_ONE_SHOT,
|
|
"DelayedAllowAutoGrantCallback");
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
p->Reject(false, __func__);
|
|
} else {
|
|
// Leak the references here! We'll release them inside the callback.
|
|
Unused << timer.forget();
|
|
Unused << promise.forget();
|
|
}
|
|
} else {
|
|
p->Resolve(false, __func__);
|
|
}
|
|
return p;
|
|
}
|
|
|
|
already_AddRefed<StorageAccessPermissionRequest>
|
|
StorageAccessPermissionRequest::Create(nsPIDOMWindowInner* aWindow,
|
|
AllowCallback&& aAllowCallback,
|
|
CancelCallback&& aCancelCallback) {
|
|
if (!aWindow) {
|
|
return nullptr;
|
|
}
|
|
nsGlobalWindowInner* win = nsGlobalWindowInner::Cast(aWindow);
|
|
if (!win->GetPrincipal()) {
|
|
return nullptr;
|
|
}
|
|
RefPtr<StorageAccessPermissionRequest> request =
|
|
new StorageAccessPermissionRequest(aWindow, win->GetPrincipal(),
|
|
std::move(aAllowCallback),
|
|
std::move(aCancelCallback));
|
|
return request.forget();
|
|
}
|
|
|
|
unsigned StorageAccessPermissionRequest::CalculateSimulatedDelay() {
|
|
if (!StaticPrefs::dom_storage_access_auto_grants_delayed()) {
|
|
return 0;
|
|
}
|
|
|
|
// Generate a random time value that is at least 0 and and most 3 seconds.
|
|
std::srand(static_cast<unsigned>(PR_Now()));
|
|
|
|
const unsigned kMin = 0;
|
|
const unsigned kMax = 3000;
|
|
const unsigned random = std::abs(std::rand());
|
|
|
|
return kMin + random % (kMax - kMin);
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|