caps/SystemPrincipal.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /* The privileged system principal. */
   8
   9 #ifndef mozilla_SystemPrincipal_h
  10 #define mozilla_SystemPrincipal_h
  11
  12 #include "nsIPrincipal.h"
  13 #include "nsJSPrincipals.h"
  14
  15 #include "mozilla/BasePrincipal.h"
  16
  17 #define NS_SYSTEMPRINCIPAL_CID                      \
  18   {                                                 \
  19     0x4a6212db, 0xaccb, 0x11d3, {                   \
  20       0xb7, 0x65, 0x0, 0x60, 0xb0, 0xb6, 0xce, 0xcb \
  21     }                                               \
  22   }
  23 #define NS_SYSTEMPRINCIPAL_CONTRACTID "@mozilla.org/systemprincipal;1"
  24
  25 class nsScriptSecurityManager;
  26
  27 namespace mozilla {
  28
  29 class SystemPrincipal final : public BasePrincipal, public nsISerializable {
  30   SystemPrincipal();
  31
  32  public:
  33   static already_AddRefed<SystemPrincipal> Get();
  34
  35   static PrincipalKind Kind() { return eSystemPrincipal; }
  36
  37   NS_IMETHOD_(MozExternalRefCountType) AddRef() override {
  38     return nsJSPrincipals::AddRef();
  39   };
  40   NS_IMETHOD_(MozExternalRefCountType) Release() override {
  41     return nsJSPrincipals::Release();
  42   };
  43
  44   NS_DECL_NSISERIALIZABLE
  45   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
  46   uint32_t GetHashValue() override;
  47   NS_IMETHOD GetURI(nsIURI** aURI) override;
  48   NS_IMETHOD GetDomain(nsIURI** aDomain) override;
  49   NS_IMETHOD SetDomain(nsIURI* aDomain) override;
  50   NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
  51   NS_IMETHOD GetAddonId(nsAString& aAddonId) override;
  52   NS_IMETHOD GetIsOriginPotentiallyTrustworthy(bool* aResult) override;
  53
  54   virtual nsresult GetScriptLocation(nsACString& aStr) override;
  55
  56   nsresult GetSiteIdentifier(SiteIdentifier& aSite) override {
  57     aSite.Init(this);
  58     return NS_OK;
  59   }
  60
  61  protected:
  62   friend class ::nsScriptSecurityManager;
  63
  64   virtual ~SystemPrincipal() = default;
  65
  66   static already_AddRefed<SystemPrincipal> Init();
  67   static void Shutdown();
  68
  69   bool SubsumesInternal(nsIPrincipal* aOther,
  70                         DocumentDomainConsideration aConsideration) override {
  71     return true;
  72   }
  73
  74   bool MayLoadInternal(nsIURI* aURI) override { return true; }
  75 };
  76
  77 }  // namespace mozilla
  78
  79 #endif  // mozilla_SystemPrincipal_h