uriloader/exthandler/HandlerServiceParent.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 #ifndef handler_service_parent_h
   8 #define handler_service_parent_h
   9
  10 #include "mozilla/dom/PHandlerServiceParent.h"
  11 #include "nsIMIMEInfo.h"
  12
  13 class nsIHandlerApp;
  14
  15 class HandlerServiceParent final : public mozilla::dom::PHandlerServiceParent {
  16  public:
  17   HandlerServiceParent();
  18   NS_INLINE_DECL_REFCOUNTING(HandlerServiceParent, final)
  19
  20  private:
  21   virtual ~HandlerServiceParent();
  22   void ActorDestroy(ActorDestroyReason aWhy) override;
  23
  24   mozilla::ipc::IPCResult RecvFillHandlerInfo(
  25       const HandlerInfo& aHandlerInfoData, const nsCString& aOverrideType,
  26       HandlerInfo* handlerInfoData) override;
  27
  28   mozilla::ipc::IPCResult RecvGetMIMEInfoFromOS(const nsCString& aMIMEType,
  29                                                 const nsCString& aExtension,
  30                                                 nsresult* aRv,
  31                                                 HandlerInfo* aHandlerInfoData,
  32                                                 bool* aFound) override;
  33
  34   mozilla::ipc::IPCResult RecvExists(const HandlerInfo& aHandlerInfo,
  35                                      bool* exists) override;
  36
  37   mozilla::ipc::IPCResult RecvGetTypeFromExtension(
  38       const nsCString& aFileExtension, nsCString* type) override;
  39
  40   mozilla::ipc::IPCResult RecvExistsForProtocolOS(
  41       const nsCString& aProtocolScheme, bool* aHandlerExists) override;
  42
  43   mozilla::ipc::IPCResult RecvExistsForProtocol(
  44       const nsCString& aProtocolScheme, bool* aHandlerExists) override;
  45
  46   mozilla::ipc::IPCResult RecvGetApplicationDescription(
  47       const nsCString& aScheme, nsresult* aRv, nsString* aDescription) override;
  48
  49   /*
  50    * Limit the length of MIME types, filename extensions, and protocol
  51    * schemes we'll consider.
  52    */
  53   static const size_t MAX_MIMETYPE_LENGTH = 129; /* Per RFC 6838, type and
  54                                                     subtype should be limited
  55                                                     to 64 characters. We add
  56                                                     one more to account for
  57                                                     a '/' separator. */
  58   static const size_t MAX_EXT_LENGTH = 64;       /* Arbitratily chosen to be
  59                                                     longer than any known
  60                                                     extension */
  61   static const size_t MAX_SCHEME_LENGTH = 1024;  /* Arbitratily chosen to be
  62                                                     longer than any known
  63                                                     protocol scheme */
  64 };
  65
  66 #endif