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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/. */
#ifndef DOM_SECURITY_TRUSTED_TYPES_TRUSTEDTYPEPOLICY_H_
#define DOM_SECURITY_TRUSTED_TYPES_TRUSTEDTYPEPOLICY_H_
#include "js/TypeDecls.h"
#include "js/Value.h"
#include "mozilla/Attributes.h"
#include "mozilla/RefPtr.h"
#include "mozilla/UniquePtr.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/TrustedHTML.h"
#include "mozilla/dom/TrustedScript.h"
#include "mozilla/dom/TrustedScriptURL.h"
#include "nsISupportsImpl.h"
#include "nsString.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
class DOMString;
class TrustedTypePolicyFactory;
// https://w3c.github.io/trusted-types/dist/spec/#trusted-type-policy
class TrustedTypePolicy : public nsWrapperCache {
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(TrustedTypePolicy)
NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(TrustedTypePolicy)
struct Options {
RefPtr<CreateHTMLCallback> mCreateHTMLCallback;
RefPtr<CreateScriptCallback> mCreateScriptCallback;
RefPtr<CreateScriptURLCallback> mCreateScriptURLCallback;
};
TrustedTypePolicy(TrustedTypePolicyFactory* aParentObject,
const nsAString& aName, Options&& aOptions);
// Required for Web IDL binding.
TrustedTypePolicyFactory* GetParentObject() const { return mParentObject; }
// Required for Web IDL binding.
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
// https://w3c.github.io/trusted-types/dist/spec/#trustedtypepolicy-name
void GetName(DOMString& aResult) const;
// https://w3c.github.io/trusted-types/dist/spec/#dom-trustedtypepolicy-createhtml
MOZ_CAN_RUN_SCRIPT UniquePtr<TrustedHTML> CreateHTML(
JSContext* aJSContext, const nsAString& aInput,
const Sequence<JS::Value>& aArguments, ErrorResult& aErrorResult) const;
// https://w3c.github.io/trusted-types/dist/spec/#dom-trustedtypepolicy-createscript
MOZ_CAN_RUN_SCRIPT UniquePtr<TrustedScript> CreateScript(
JSContext* aJSContext, const nsAString& aInput,
const Sequence<JS::Value>& aArguments, ErrorResult& aErrorResult) const;
// https://w3c.github.io/trusted-types/dist/spec/#dom-trustedtypepolicy-createscripturl
MOZ_CAN_RUN_SCRIPT UniquePtr<TrustedScriptURL> CreateScriptURL(
JSContext* aJSContext, const nsAString& aInput,
const Sequence<JS::Value>& aArguments, ErrorResult& aErrorResult) const;
private:
// Required because this class is ref-counted.
virtual ~TrustedTypePolicy() = default;
// https://w3c.github.io/trusted-types/dist/spec/#abstract-opdef-create-a-trusted-type
template <typename T, typename CallbackObject>
MOZ_CAN_RUN_SCRIPT UniquePtr<T> CreateTrustedType(
const RefPtr<CallbackObject>& aCallbackObject, const nsAString& aValue,
const Sequence<JS::Value>& aArguments, ErrorResult& aErrorResult) const;
// https://w3c.github.io/trusted-types/dist/spec/#abstract-opdef-get-trusted-type-policy-value
//
// @param aResult may become void.
template <typename CallbackObject>
MOZ_CAN_RUN_SCRIPT void DetermineTrustedPolicyValue(
const RefPtr<CallbackObject>& aCallbackObject, const nsAString& aValue,
const Sequence<JS::Value>& aArguments, bool aThrowIfMissing,
ErrorResult& aErrorResult, nsAString& aResult) const;
RefPtr<TrustedTypePolicyFactory> mParentObject;
const nsString mName;
Options mOptions;
};
} // namespace mozilla::dom
#endif // DOM_SECURITY_TRUSTED_TYPES_TRUSTEDTYPEPOLICY_H_
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