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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 "Feature.h"
#include "mozilla/BasePrincipal.h"
namespace mozilla {
namespace dom {
void Feature::GetAllowList(nsTArray<nsCOMPtr<nsIPrincipal>>& aList) const {
MOZ_ASSERT(mPolicy == eAllowList);
aList.AppendElements(mAllowList);
}
bool Feature::Allows(nsIPrincipal* aPrincipal) const {
if (mPolicy == eNone) {
return false;
}
if (mPolicy == eAll) {
return true;
}
return AllowListContains(aPrincipal);
}
Feature::Feature(const nsAString& aFeatureName)
: mFeatureName(aFeatureName), mPolicy(eAllowList) {}
Feature::~Feature() = default;
const nsAString& Feature::Name() const { return mFeatureName; }
void Feature::SetAllowsNone() {
mPolicy = eNone;
mAllowList.Clear();
}
bool Feature::AllowsNone() const { return mPolicy == eNone; }
void Feature::SetAllowsAll() {
mPolicy = eAll;
mAllowList.Clear();
}
bool Feature::AllowsAll() const { return mPolicy == eAll; }
void Feature::AppendToAllowList(nsIPrincipal* aPrincipal) {
MOZ_ASSERT(aPrincipal);
mPolicy = eAllowList;
mAllowList.AppendElement(aPrincipal);
}
bool Feature::AllowListContains(nsIPrincipal* aPrincipal) const {
MOZ_ASSERT(aPrincipal);
if (!HasAllowList()) {
return false;
}
for (nsIPrincipal* principal : mAllowList) {
if (BasePrincipal::Cast(principal)->Subsumes(
aPrincipal, BasePrincipal::ConsiderDocumentDomain)) {
return true;
}
}
return false;
}
bool Feature::HasAllowList() const { return mPolicy == eAllowList; }
} // namespace dom
} // namespace mozilla
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