HandlerServiceParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* 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 handler_service_parent_h

#define handler_service_parent_h

#include "mozilla/dom/PHandlerServiceParent.h"

#include "nsIMIMEInfo.h"

class nsIHandlerApp;

class HandlerServiceParent final : public mozilla::dom::PHandlerServiceParent {

 public:

  HandlerServiceParent();

  NS_INLINE_DECL_REFCOUNTING(HandlerServiceParent, final)

 private:

  virtual ~HandlerServiceParent();

  void ActorDestroy(ActorDestroyReason aWhy) override;

  mozilla::ipc::IPCResult RecvFillHandlerInfo(

      const HandlerInfo& aHandlerInfoData, const nsACString& aOverrideType,

      HandlerInfo* handlerInfoData) override;

  mozilla::ipc::IPCResult RecvGetMIMEInfoFromOS(const nsACString& aMIMEType,

                                                const nsACString& aExtension,

                                                nsresult* aRv,

                                                HandlerInfo* aHandlerInfoData,

                                                bool* aFound) override;

  mozilla::ipc::IPCResult RecvExists(const HandlerInfo& aHandlerInfo,

                                     bool* exists) override;

  mozilla::ipc::IPCResult RecvGetTypeFromExtension(

      const nsACString& aFileExtension, nsCString* type) override;

  mozilla::ipc::IPCResult RecvExistsForProtocolOS(

      const nsACString& aProtocolScheme, bool* aHandlerExists) override;

  mozilla::ipc::IPCResult RecvExistsForProtocol(

      const nsACString& aProtocolScheme, bool* aHandlerExists) override;

  mozilla::ipc::IPCResult RecvGetApplicationDescription(

      const nsACString& aScheme, nsresult* aRv,

      nsString* aDescription) override;

/*

   * Limit the length of MIME types, filename extensions, and protocol

   * schemes we'll consider.

*/

  static const size_t MAX_MIMETYPE_LENGTH = 129; /* Per RFC 6838, type and

                                                    subtype should be limited

                                                    to 64 characters. We add

                                                    one more to account for

                                                    a '/' separator. */

  static const size_t MAX_EXT_LENGTH = 64;       /* Arbitratily chosen to be

                                                    longer than any known

                                                    extension */

  static const size_t MAX_SCHEME_LENGTH = 1024;  /* Arbitratily chosen to be

                                                    longer than any known

                                                    protocol scheme */

};

#endif