caps/ExpandedPrincipal.h
author Emilio Cobos Álvarez <emilio@crisal.io>
Tue, 05 Feb 2019 19:47:29 +0000
changeset 515191 6b71e3d434c232998629b8e18a983212e9d3fc9d
parent 505383 6f3709b3878117466168c40affa7bca0b60cf75b
child 534509 ddf4012a7652e36d144fc43bc99335276deeafbe
permissions -rw-r--r--
Bug 1525134 - Move image loads out of the style struct accessors. r=heycam After this I can pass the document from the caller to ResolveSameStructsAs, and get rid of the pres context pointer. Differential Revision: https://phabricator.services.mozilla.com/D18600

/* -*- 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 ExpandedPrincipal_h
#define ExpandedPrincipal_h

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

class ExpandedPrincipal : public nsIExpandedPrincipal,
                          public mozilla::BasePrincipal {
 public:
  static already_AddRefed<ExpandedPrincipal> Create(
      nsTArray<nsCOMPtr<nsIPrincipal>>& aAllowList,
      const mozilla::OriginAttributes& aAttrs);

  static PrincipalKind Kind() { return eExpandedPrincipal; }

  // For use from the XPCOM factory constructor only.  Do not ever use this
  // constructor by hand!
  ExpandedPrincipal();

  NS_DECL_NSIEXPANDEDPRINCIPAL
  NS_DECL_NSISERIALIZABLE

  NS_IMETHOD_(MozExternalRefCountType) AddRef() override {
    return nsJSPrincipals::AddRef();
  };
  NS_IMETHOD_(MozExternalRefCountType) Release() override {
    return nsJSPrincipals::Release();
  };
  NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
  uint32_t GetHashValue() 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;
  virtual bool AddonHasPermission(const nsAtom* aPerm) override;
  virtual nsresult GetScriptLocation(nsACString& aStr) override;

  bool AddonAllowsLoad(nsIURI* aURI, bool aExplicit = false);

  // Returns the principal to inherit when this principal requests the given
  // URL. See BasePrincipal::PrincipalToInherit.
  nsIPrincipal* PrincipalToInherit(nsIURI* aRequestedURI = nullptr);

  nsresult GetSiteIdentifier(mozilla::SiteIdentifier& aSite) override;

 protected:
  explicit ExpandedPrincipal(nsTArray<nsCOMPtr<nsIPrincipal>>& aAllowList);

  virtual ~ExpandedPrincipal();

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

  bool MayLoadInternal(nsIURI* aURI) override;

 private:
  nsTArray<nsCOMPtr<nsIPrincipal>> mPrincipals;
};

#define NS_EXPANDEDPRINCIPAL_CONTRACTID "@mozilla.org/expandedprincipal;1"
#define NS_EXPANDEDPRINCIPAL_CID                     \
  {                                                  \
    0xe8ee88b0, 0x5571, 0x4086, {                    \
      0xa4, 0x5b, 0x39, 0xa7, 0x16, 0x90, 0x6b, 0xdb \
    }                                                \
  }

#endif  // ExpandedPrincipal_h