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 Json {
  28 class Value;
  29 }
  30
  31 namespace mozilla {
  32
  33 class SystemPrincipal final : public BasePrincipal, public nsISerializable {
  34   SystemPrincipal();
  35
  36  public:
  37   static already_AddRefed<SystemPrincipal> Get();
  38
  39   static PrincipalKind Kind() { return eSystemPrincipal; }
  40
  41   NS_IMETHOD_(MozExternalRefCountType) AddRef() override {
  42     return nsJSPrincipals::AddRef();
  43   };
  44   NS_IMETHOD_(MozExternalRefCountType) Release() override {
  45     return nsJSPrincipals::Release();
  46   };
  47
  48   NS_DECL_NSISERIALIZABLE
  49   NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
  50   uint32_t GetHashValue() override;
  51   NS_IMETHOD GetURI(nsIURI** aURI) override;
  52   NS_IMETHOD GetDomain(nsIURI** aDomain) override;
  53   NS_IMETHOD SetDomain(nsIURI* aDomain) override;
  54   NS_IMETHOD GetBaseDomain(nsACString& aBaseDomain) override;
  55   NS_IMETHOD GetAddonId(nsAString& aAddonId) override;
  56   NS_IMETHOD GetIsOriginPotentiallyTrustworthy(bool* aResult) override;
  57
  58   virtual nsresult GetScriptLocation(nsACString& aStr) override;
  59
  60   nsresult GetSiteIdentifier(SiteIdentifier& aSite) override {
  61     aSite.Init(this);
  62     return NS_OK;
  63   }
  64
  65  protected:
  66   friend class ::nsScriptSecurityManager;
  67
  68   virtual ~SystemPrincipal() = default;
  69
  70   static already_AddRefed<SystemPrincipal> Init();
  71   static void Shutdown();
  72
  73   bool SubsumesInternal(nsIPrincipal* aOther,
  74                         DocumentDomainConsideration aConsideration) override {
  75     return true;
  76   }
  77
  78   bool MayLoadInternal(nsIURI* aURI) override { return true; }
  79 };
  80
  81 }  // namespace mozilla
  82
  83 #endif  // mozilla_SystemPrincipal_h