1  /* GIO - GLib Input, Output and Streaming Library
       2   *
       3   * Copyright (C) 2006-2007 Red Hat, Inc.
       4   * Copyright (C) 2008 Novell, Inc.
       5   *
       6   * This library is free software; you can redistribute it and/or
       7   * modify it under the terms of the GNU Lesser General Public
       8   * License as published by the Free Software Foundation; either
       9   * version 2.1 of the License, or (at your option) any later version.
      10   *
      11   * This library is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14   * Lesser General Public License for more details.
      15   *
      16   * You should have received a copy of the GNU Lesser General
      17   * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
      18   *
      19   * Author: Alexander Larsson <alexl@redhat.com>
      20   * Author: Tor Lillqvist <tml@novell.com>
      21   */
      22  
      23  #ifndef __G_WINHTTP_VFS_H__
      24  #define __G_WINHTTP_VFS_H__
      25  
      26  #include <gio/giotypes.h>
      27  #include <gio/gvfs.h>
      28  
      29  #include <windows.h>
      30  
      31  #include "winhttp.h"
      32  
      33  G_BEGIN_DECLS
      34  
      35  #define G_TYPE_WINHTTP_VFS                      (_g_winhttp_vfs_get_type ())
      36  #define G_WINHTTP_VFS(obj)                      (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_WINHTTP_VFS, GWinHttpVfs))
      37  #define G_WINHTTP_VFS_CLASS(klass)              (G_TYPE_CHECK_CLASS_CAST ((klass), G_TYPE_WINHTTP_VFS, GWinHttpVfsClass))
      38  #define G_IS_WINHTTP_VFS(obj)                   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_WINHTTP_VFS))
      39  #define G_IS_WINHTTP_VFS_CLASS(klass)           (G_TYPE_CHECK_CLASS_TYPE ((klass), G_TYPE_WINHTTP_VFS))
      40  #define G_WINHTTP_VFS_GET_CLASS(obj)            (G_TYPE_INSTANCE_GET_CLASS ((obj), G_TYPE_WINHTTP_VFS, GWinHttpVfsClass))
      41  
      42  typedef struct _GWinHttpVfs       GWinHttpVfs;
      43  typedef struct _GWinHttpDllFuncs  GWinHttpDllFuncs;
      44  typedef struct _GWinHttpVfsClass  GWinHttpVfsClass;
      45  
      46  struct _GWinHttpVfs
      47  {
      48    GVfs parent;
      49  
      50    GVfs *wrapped_vfs;
      51    HINTERNET session;
      52  };
      53  
      54  struct _GWinHttpDllFuncs
      55  {
      56    BOOL (WINAPI *pWinHttpCloseHandle) (HINTERNET);
      57    BOOL (WINAPI *pWinHttpCrackUrl) (LPCWSTR,DWORD,DWORD,LPURL_COMPONENTS);
      58    HINTERNET (WINAPI *pWinHttpConnect) (HINTERNET,LPCWSTR,INTERNET_PORT,DWORD);
      59    BOOL (WINAPI *pWinHttpCreateUrl) (LPURL_COMPONENTS,DWORD,LPWSTR,LPDWORD);
      60    HINTERNET (WINAPI *pWinHttpOpen) (LPCWSTR,DWORD,LPCWSTR,LPCWSTR,DWORD);
      61    HINTERNET (WINAPI *pWinHttpOpenRequest) (HINTERNET,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR,LPCWSTR*,DWORD);
      62    BOOL (WINAPI *pWinHttpQueryDataAvailable) (HINTERNET,LPDWORD);
      63    BOOL (WINAPI *pWinHttpQueryHeaders) (HINTERNET,DWORD,LPCWSTR,LPVOID,LPDWORD,LPDWORD);
      64    BOOL (WINAPI *pWinHttpReadData) (HINTERNET,LPVOID,DWORD,LPDWORD);
      65    BOOL (WINAPI *pWinHttpReceiveResponse) (HINTERNET,LPVOID);
      66    BOOL (WINAPI *pWinHttpSendRequest) (HINTERNET,LPCWSTR,DWORD,LPVOID,DWORD,DWORD,DWORD_PTR);
      67    BOOL (WINAPI *pWinHttpWriteData) (HINTERNET,LPCVOID,DWORD,LPDWORD);
      68  };
      69  
      70  struct _GWinHttpVfsClass
      71  {
      72    GVfsClass parent_class;
      73  
      74    /* As there is no import library for winhttp.dll in mingw, and
      75     * winhttp.dll isn't present on Windows 2000 anyway, we must look up
      76     * the functions we need dynamically. Store the pointers here.
      77     */
      78    GWinHttpDllFuncs *funcs;
      79  };
      80  
      81  
      82  GType   _g_winhttp_vfs_get_type  (void) G_GNUC_CONST;
      83  
      84  GVfs *_g_winhttp_vfs_new (void);
      85  
      86  char *_g_winhttp_error_message (DWORD error_code);
      87  
      88  void _g_winhttp_set_error (GError     **error,
      89                             DWORD        error_code,
      90                             const char  *what);
      91  
      92  gboolean _g_winhttp_response (GWinHttpVfs *vfs,
      93                                HINTERNET    request,
      94                                GError     **error,
      95                                const char  *what);
      96  
      97  gboolean _g_winhttp_query_header (GWinHttpVfs *vfs,
      98                                    HINTERNET    request,
      99                                    const char  *request_description,
     100                                    DWORD        which_header,
     101                                    wchar_t    **header,
     102                                    GError     **error);
     103  
     104  G_END_DECLS
     105  
     106  #endif /* __G_WINHTTP_VFS_H__ */