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-rw-r--r--caps/nsNullPrincipal.h78
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diff --git a/caps/nsNullPrincipal.h b/caps/nsNullPrincipal.h
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+++ b/caps/nsNullPrincipal.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+/**
+ * This is the principal that has no rights and can't be accessed by
+ * anything other than itself and chrome; null principals are not
+ * same-origin with anything but themselves.
+ */
+
+#ifndef nsNullPrincipal_h__
+#define nsNullPrincipal_h__
+
+#include "nsIPrincipal.h"
+#include "nsJSPrincipals.h"
+#include "nsIScriptSecurityManager.h"
+#include "nsCOMPtr.h"
+#include "nsIContentSecurityPolicy.h"
+
+#include "mozilla/BasePrincipal.h"
+
+class nsIDocShell;
+class nsIURI;
+
+#define NS_NULLPRINCIPAL_CID \
+{ 0xbd066e5f, 0x146f, 0x4472, \
+ { 0x83, 0x31, 0x7b, 0xfd, 0x05, 0xb1, 0xed, 0x90 } }
+#define NS_NULLPRINCIPAL_CONTRACTID "@mozilla.org/nullprincipal;1"
+
+#define NS_NULLPRINCIPAL_SCHEME "moz-nullprincipal"
+
+class nsNullPrincipal final : public mozilla::BasePrincipal
+{
+public:
+ // This should only be used by deserialization, and the factory constructor.
+ // Other consumers should use the Create and CreateWithInheritedAttributes
+ // methods.
+ nsNullPrincipal() {}
+
+ NS_DECL_NSISERIALIZABLE
+
+ NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
+ NS_IMETHOD GetHashValue(uint32_t* aHashValue) override;
+ NS_IMETHOD SetCsp(nsIContentSecurityPolicy* aCsp) override;
+ NS_IMETHOD GetURI(nsIURI** aURI) override;
+ NS_IMETHOD GetDomain(nsIURI** aDomain) override;
+ NS_IMETHOD SetDomain(nsIURI* aDomain) override;
+ NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
+ nsresult GetOriginInternal(nsACString& aOrigin) override;
+
+ static already_AddRefed<nsNullPrincipal> CreateWithInheritedAttributes(nsIPrincipal* aInheritFrom);
+
+ static already_AddRefed<nsNullPrincipal> CreateWithInheritedAttributes(nsIDocShell* aDocShell);
+
+ static already_AddRefed<nsNullPrincipal>
+ Create(const mozilla::PrincipalOriginAttributes& aOriginAttributes = mozilla::PrincipalOriginAttributes());
+
+ nsresult Init(const mozilla::PrincipalOriginAttributes& aOriginAttributes = mozilla::PrincipalOriginAttributes());
+
+ virtual nsresult GetScriptLocation(nsACString &aStr) override;
+
+ PrincipalKind Kind() override { return eNullPrincipal; }
+
+ protected:
+ virtual ~nsNullPrincipal() {}
+
+ bool SubsumesInternal(nsIPrincipal* aOther, DocumentDomainConsideration aConsideration) override
+ {
+ return aOther == this;
+ }
+
+ bool MayLoadInternal(nsIURI* aURI) override;
+
+ nsCOMPtr<nsIURI> mURI;
+};
+
+#endif // nsNullPrincipal_h__