50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_OffThreadCSPContext_h_
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#define mozilla_dom_OffThreadCSPContext_h_
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#include "mozilla/Result.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/dom/nsCSPUtils.h"
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#include "mozilla/ipc/PBackgroundSharedTypes.h"
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#include "nscore.h"
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class nsIContentSecurityPolicy;
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namespace mozilla::dom {
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// A minimal version of nsCSPContext that can run on worker and worklet threads.
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class OffThreadCSPContext final {
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public:
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explicit OffThreadCSPContext(mozilla::ipc::CSPInfo&& aInfo)
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: mCSPInfo(aInfo) {}
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static Result<UniquePtr<OffThreadCSPContext>, nsresult> CreateFromCSP(
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nsIContentSecurityPolicy* aCSP);
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const mozilla::ipc::CSPInfo& CSPInfo() const { return mCSPInfo; }
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const nsTArray<UniquePtr<const nsCSPPolicy>>& Policies();
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bool IsEvalAllowed(bool& aReportViolation);
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bool IsWasmEvalAllowed(bool& aReportViolation);
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private:
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void EnsureIPCPoliciesRead();
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// Thread boundaries require us to not only store a CSP object, but also a
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// serialized version of the CSP. Reason being: Serializing a CSP to a CSPInfo
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// needs to happen on the main thread, but storing the CSPInfo needs to happen
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// on the worker/worklet thread.
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mozilla::ipc::CSPInfo mCSPInfo;
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// This is created lazily by parsing the policies in CSPInfo on the
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// worker/worklet thread.
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nsTArray<UniquePtr<const nsCSPPolicy>> mPolicies;
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};
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} // namespace mozilla::dom
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#endif // mozilla_dom_OffThreadCSPContext_h_
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