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-rw-r--r--dom/base/StorageAccessPermissionRequest.cpp161
1 files changed, 161 insertions, 0 deletions
diff --git a/dom/base/StorageAccessPermissionRequest.cpp b/dom/base/StorageAccessPermissionRequest.cpp
new file mode 100644
index 0000000000..094cd87393
--- /dev/null
+++ b/dom/base/StorageAccessPermissionRequest.cpp
@@ -0,0 +1,161 @@
+/* -*- 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::dom {
+
+NS_IMPL_CYCLE_COLLECTION_INHERITED(StorageAccessPermissionRequest,
+ ContentPermissionRequestBase)
+
+NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(StorageAccessPermissionRequest,
+ ContentPermissionRequestBase)
+
+StorageAccessPermissionRequest::StorageAccessPermissionRequest(
+ nsPIDOMWindowInner* aWindow, nsIPrincipal* aNodePrincipal,
+ const Maybe<nsCString>& aTopLevelBaseDomain, AllowCallback&& aAllowCallback,
+ CancelCallback&& aCancelCallback)
+ : ContentPermissionRequestBase(aNodePrincipal, aWindow,
+ "dom.storage_access"_ns,
+ "storage-access"_ns),
+ mAllowCallback(std::move(aAllowCallback)),
+ mCancelCallback(std::move(aCancelCallback)),
+ mCallbackCalled(false) {
+ if (aTopLevelBaseDomain.isSome()) {
+ mOptions.AppendElement(NS_ConvertUTF8toUTF16(aTopLevelBaseDomain.value()));
+ }
+ mPermissionRequests.AppendElement(PermissionRequest(mType, mOptions));
+}
+
+NS_IMETHODIMP
+StorageAccessPermissionRequest::Cancel() {
+ if (!mCallbackCalled) {
+ mCallbackCalled = true;
+ mCancelCallback();
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+StorageAccessPermissionRequest::Allow(JS::Handle<JS::Value> 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;
+}
+
+NS_IMETHODIMP
+StorageAccessPermissionRequest::GetTypes(nsIArray** aTypes) {
+ return nsContentPermissionUtils::CreatePermissionArray(mType, mOptions,
+ aTypes);
+}
+
+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);
+
+ return Create(aWindow, win->GetPrincipal(), std::move(aAllowCallback),
+ std::move(aCancelCallback));
+}
+
+already_AddRefed<StorageAccessPermissionRequest>
+StorageAccessPermissionRequest::Create(nsPIDOMWindowInner* aWindow,
+ nsIPrincipal* aPrincipal,
+ AllowCallback&& aAllowCallback,
+ CancelCallback&& aCancelCallback) {
+ return Create(aWindow, aPrincipal, Nothing(), std::move(aAllowCallback),
+ std::move(aCancelCallback));
+}
+
+already_AddRefed<StorageAccessPermissionRequest>
+StorageAccessPermissionRequest::Create(
+ nsPIDOMWindowInner* aWindow, nsIPrincipal* aPrincipal,
+ const Maybe<nsCString>& aTopLevelBaseDomain, AllowCallback&& aAllowCallback,
+ CancelCallback&& aCancelCallback) {
+ if (!aWindow) {
+ return nullptr;
+ }
+
+ if (!aPrincipal) {
+ return nullptr;
+ }
+
+ RefPtr<StorageAccessPermissionRequest> request =
+ new StorageAccessPermissionRequest(
+ aWindow, aPrincipal, aTopLevelBaseDomain, 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 mozilla::dom