2 * Copyright (c) 2000, Red Hat, Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * A copy of the GNU General Public License can be found at
12 * Written by DJ Delorie <dj@cygnus.com>
16 /* The purpose of this file is to manage internet downloads using the
17 Internet Explorer version 5 DLLs. To use this method, the user
18 must already have installed and configured IE5. This module is
19 called from netio.cc, which is called from geturl.cc */
30 static HINTERNET internet = 0;
32 NetIO_IE5::NetIO_IE5 (char *_url)
39 HINSTANCE h = LoadLibrary ("wininet.dll");
46 InternetAttemptConnect (0);
47 internet = InternetOpen ("Cygwin Setup", INTERNET_OPEN_TYPE_PRECONFIG,
52 INTERNET_FLAG_DONT_CACHE |
53 INTERNET_FLAG_KEEP_CONNECTION |
54 INTERNET_FLAG_PRAGMA_NOCACHE |
55 INTERNET_FLAG_RELOAD |
56 INTERNET_FLAG_EXISTING_CONNECT |
57 INTERNET_FLAG_PASSIVE;
59 connection = InternetOpenUrl (internet, url, NULL, 0, flags, 0);
63 if (net_user && net_passwd)
65 InternetSetOption (connection, INTERNET_OPTION_USERNAME,
66 net_user, strlen (net_user));
67 InternetSetOption (connection, INTERNET_OPTION_PASSWORD,
68 net_passwd, strlen (net_passwd));
71 if (net_proxy_user && net_proxy_passwd)
73 InternetSetOption (connection, INTERNET_OPTION_PROXY_USERNAME,
74 net_proxy_user, strlen (net_proxy_user));
75 InternetSetOption (connection, INTERNET_OPTION_PROXY_PASSWORD,
76 net_proxy_passwd, strlen (net_proxy_passwd));
80 if (!HttpSendRequest (connection, 0, 0, 0, 0))
85 if (GetLastError () == ERROR_INTERNET_EXTENDED_ERROR)
88 DWORD e, l=sizeof (buf);
89 InternetGetLastResponseInfo (&e, buf, &l);
90 MessageBox (0, buf, "Internet Error", 0);
95 type_s = sizeof (type);
96 InternetQueryOption (connection, INTERNET_OPTION_HANDLE_TYPE,
101 case INTERNET_HANDLE_TYPE_HTTP_REQUEST:
102 case INTERNET_HANDLE_TYPE_CONNECT_HTTP:
103 type_s = sizeof (DWORD);
104 if (HttpQueryInfo (connection,
105 HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER,
106 &type, &type_s, NULL))
108 if (type == 401) /* authorization required */
115 else if (type == 407) /* proxy authorization required */
122 else if (type >= 300)
132 NetIO_IE5::flush_io ()
137 InternetReadFile (connection, buf, 1024, &actual);
138 } while (actual > 0);
141 NetIO_IE5::~NetIO_IE5 ()
144 InternetCloseHandle (connection);
150 return (connection == NULL) ? 0 : 1;
154 NetIO_IE5::read (char *buf, int nbytes)
157 if (InternetReadFile (connection, buf, nbytes, &actual))