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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_POLICY_IFRAME_POLICY_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_POLICY_IFRAME_POLICY_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/policy/policy.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/weborigin/security_origin.h"
namespace blink {
// IFramePolicy inherits Policy. It represents the feature policy introspection
// of an iframe contained in a document. It is tynthetic from the parent policy
// and the iframe container policy (parsed from the allow attribute).
class IFramePolicy final : public Policy {
public:
~IFramePolicy() override = default;
// Create a new IFramePolicy, which is synthetic for a frame contained within
// a document.
IFramePolicy(Document* parent_document,
const ParsedFeaturePolicy& container_policy,
scoped_refptr<const SecurityOrigin> src_origin)
: parent_document_(parent_document) {
DCHECK(src_origin);
UpdateContainerPolicy(container_policy, src_origin);
}
void UpdateContainerPolicy(
const ParsedFeaturePolicy& container_policy,
scoped_refptr<const SecurityOrigin> src_origin) override {
policy_ = FeaturePolicy::CreateFromParentPolicy(
parent_document_->GetFeaturePolicy(), container_policy,
src_origin->ToUrlOrigin());
}
void Trace(blink::Visitor* visitor) override {
visitor->Trace(parent_document_);
Policy::Trace(visitor);
}
protected:
const FeaturePolicy* GetPolicy() const override { return policy_.get(); }
Document* GetDocument() const override { return parent_document_; }
private:
Member<Document> parent_document_;
std::unique_ptr<FeaturePolicy> policy_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_POLICY_IFRAME_POLICY_H_
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