mirror of
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124 lines
4.3 KiB
C++
124 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* This is the principal that has no rights and can't be accessed by
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* anything other than itself and chrome; null principals are not
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* same-origin with anything but themselves.
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*/
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#ifndef mozilla_NullPrincipal_h
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#define mozilla_NullPrincipal_h
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#include "nsIPrincipal.h"
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#include "nsJSPrincipals.h"
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#include "nsCOMPtr.h"
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#include "mozilla/BasePrincipal.h"
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#include "gtest/MozGtestFriend.h"
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class nsIDocShell;
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class nsIURI;
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namespace Json {
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class Value;
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}
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#define NS_NULLPRINCIPAL_CID \
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{ \
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0xbd066e5f, 0x146f, 0x4472, { \
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0x83, 0x31, 0x7b, 0xfd, 0x05, 0xb1, 0xed, 0x90 \
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} \
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}
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#define NS_NULLPRINCIPAL_CONTRACTID "@mozilla.org/nullprincipal;1"
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#define NS_NULLPRINCIPAL_SCHEME "moz-nullprincipal"
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namespace mozilla {
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class NullPrincipal final : public BasePrincipal {
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public:
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// This should only be used by deserialization, and the factory constructor.
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// Other consumers should use the Create and CreateWithInheritedAttributes
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// methods.
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NullPrincipal() : BasePrincipal(eNullPrincipal) {}
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static PrincipalKind Kind() { return eNullPrincipal; }
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NS_DECL_NSISERIALIZABLE
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
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uint32_t GetHashValue() override;
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NS_IMETHOD GetURI(nsIURI** aURI) override;
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NS_IMETHOD GetIsOriginPotentiallyTrustworthy(bool* aResult) override;
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NS_IMETHOD GetDomain(nsIURI** aDomain) override;
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NS_IMETHOD SetDomain(nsIURI* aDomain) override;
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NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
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NS_IMETHOD GetAddonId(nsAString& aAddonId) override;
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static already_AddRefed<NullPrincipal> CreateWithInheritedAttributes(
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nsIPrincipal* aInheritFrom);
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// Create NullPrincipal with origin attributes from docshell.
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// If aIsFirstParty is true, and the pref 'privacy.firstparty.isolate' is also
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// enabled, the mFirstPartyDomain value of the origin attributes will be set
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// to an unique value.
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static already_AddRefed<NullPrincipal> CreateWithInheritedAttributes(
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nsIDocShell* aDocShell, bool aIsFirstParty = false);
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static already_AddRefed<NullPrincipal> CreateWithInheritedAttributes(
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const OriginAttributes& aOriginAttributes, bool aIsFirstParty = false);
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static already_AddRefed<NullPrincipal> Create(
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const OriginAttributes& aOriginAttributes, nsIURI* aURI = nullptr);
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static already_AddRefed<NullPrincipal> CreateWithoutOriginAttributes();
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nsresult Init(const OriginAttributes& aOriginAttributes = OriginAttributes(),
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nsIURI* aURI = nullptr);
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virtual nsresult GetScriptLocation(nsACString& aStr) override;
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nsresult GetSiteIdentifier(SiteIdentifier& aSite) override {
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aSite.Init(this);
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return NS_OK;
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}
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virtual nsresult PopulateJSONObject(Json::Value& aObject) override;
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// Serializable keys are the valid enum fields the serialization supports
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enum SerializableKeys : uint8_t { eSpec = 0, eSuffix, eMax = eSuffix };
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typedef mozilla::BasePrincipal::KeyValT<SerializableKeys> KeyVal;
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static already_AddRefed<BasePrincipal> FromProperties(
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nsTArray<NullPrincipal::KeyVal>& aFields);
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protected:
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virtual ~NullPrincipal() = default;
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bool SubsumesInternal(nsIPrincipal* aOther,
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DocumentDomainConsideration aConsideration) override {
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MOZ_ASSERT(aOther);
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return FastEquals(aOther);
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}
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bool MayLoadInternal(nsIURI* aURI) override;
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nsCOMPtr<nsIURI> mURI;
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private:
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FRIEND_TEST(OriginAttributes, NullPrincipal);
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// If aIsFirstParty is true, this NullPrincipal will be initialized based on
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// the aOriginAttributes with FirstPartyDomain set to a unique value.
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// This value is generated from mURI.path, with ".mozilla" appended at the
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// end. aURI is used for testing purpose to assign specific UUID rather than
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// random generated one.
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nsresult Init(const OriginAttributes& aOriginAttributes, bool aIsFirstParty,
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nsIURI* aURI = nullptr);
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};
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} // namespace mozilla
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#endif // mozilla_NullPrincipal_h
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