dom/clients/manager/ClientPrincipalUtils.cpp

   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 #include "ClientPrincipalUtils.h"
   8
   9 #include "mozilla/ipc/PBackgroundSharedTypes.h"
  10
  11 namespace mozilla::dom {
  12
  13 using mozilla::ipc::ContentPrincipalInfo;
  14 using mozilla::ipc::PrincipalInfo;
  15
  16 bool ClientMatchPrincipalInfo(const PrincipalInfo& aLeft,
  17                               const PrincipalInfo& aRight) {
  18   if (aLeft.type() != aRight.type()) {
  19     return false;
  20   }
  21
  22   switch (aLeft.type()) {
  23     case PrincipalInfo::TContentPrincipalInfo: {
  24       const ContentPrincipalInfo& leftContent =
  25           aLeft.get_ContentPrincipalInfo();
  26       const ContentPrincipalInfo& rightContent =
  27           aRight.get_ContentPrincipalInfo();
  28       return leftContent.attrs() == rightContent.attrs() &&
  29              leftContent.originNoSuffix() == rightContent.originNoSuffix();
  30     }
  31     case PrincipalInfo::TSystemPrincipalInfo: {
  32       // system principal always matches
  33       return true;
  34     }
  35     case PrincipalInfo::TNullPrincipalInfo: {
  36       // null principal never matches
  37       return false;
  38     }
  39     default: {
  40       break;
  41     }
  42   }
  43
  44   // Clients (windows/workers) should never have an expanded principal type.
  45   MOZ_CRASH("unexpected principal type!");
  46 }
  47
  48 }  // namespace mozilla::dom