gecko-dev/caps/ContentPrincipal.h

/* -*- 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/. */

#ifndef ContentPrincipal_h
#define ContentPrincipal_h

#include "nsCOMPtr.h"
#include "nsJSPrincipals.h"
#include "nsTArray.h"
#include "nsIContentSecurityPolicy.h"
#include "nsIProtocolHandler.h"
#include "nsNetUtil.h"
#include "nsScriptSecurityManager.h"
#include "mozilla/BasePrincipal.h"

class ContentPrincipal final : public mozilla::BasePrincipal
{
public:
  NS_DECL_NSISERIALIZABLE
  NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
  NS_IMETHOD GetHashValue(uint32_t* aHashValue) 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;
  NS_IMETHOD GetAddonId(nsAString& aAddonId) override;
  bool IsCodebasePrincipal() const override { return true; }

  ContentPrincipal();

  // Init() must be called before the principal is in a usable state.
  nsresult Init(nsIURI* aCodebase,
                const mozilla::OriginAttributes& aOriginAttributes);

  virtual nsresult GetScriptLocation(nsACString& aStr) override;

  /**
   * Called at startup to setup static data, e.g. about:config pref-observers.
   */
  static void InitializeStatics();

  nsCOMPtr<nsIURI> mDomain;
  nsCOMPtr<nsIURI> mCodebase;
  // If mCodebaseImmutable is true, mCodebase is non-null and immutable
  bool mCodebaseImmutable;
  bool mDomainImmutable;

protected:
  virtual ~ContentPrincipal();

  bool SubsumesInternal(nsIPrincipal* aOther,
                        DocumentDomainConsideration aConsideration) override;
  bool MayLoadInternal(nsIURI* aURI) override;

private:
  static nsresult 
  GenerateOriginNoSuffixFromURI(nsIURI* aURI, nsACString& aOriginNoSuffix);

  mozilla::Maybe<nsString> mAddonIdCache;
};

#define NS_PRINCIPAL_CONTRACTID "@mozilla.org/principal;1"
#define NS_PRINCIPAL_CID \
{ 0x653e0e4d, 0x3ee4, 0x45fa, \
  { 0xb2, 0x72, 0x97, 0xc2, 0x0b, 0xc0, 0x1e, 0xb8 } }

#endif // ContentPrincipal_h