]>
Commit | Line | Data |
---|---|---|
23c9e63c DD |
1 | /* |
2 | * Copyright (c) 2000, Red Hat, Inc. | |
3 | * | |
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. | |
8 | * | |
9 | * A copy of the GNU General Public License can be found at | |
10 | * http://www.gnu.org/ | |
11 | * | |
12 | * Written by DJ Delorie <dj@cygnus.com> | |
13 | * | |
14 | */ | |
15 | ||
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 */ | |
20 | ||
8507f105 DD |
21 | static char *cvsid = "\n%%% $Id$\n"; |
22 | ||
23c9e63c DD |
23 | #include "win32.h" |
24 | ||
25 | #include "resource.h" | |
26 | #include "state.h" | |
27 | #include "dialog.h" | |
28 | #include "msg.h" | |
29 | #include "netio.h" | |
30 | #include "nio-ie5.h" | |
31 | ||
32 | static HINTERNET internet = 0; | |
33 | ||
34 | NetIO_IE5::NetIO_IE5 (char *_url) | |
35 | : NetIO (_url) | |
36 | { | |
37 | if (internet == 0) | |
38 | internet = InternetOpen ("Cygwin Setup", INTERNET_OPEN_TYPE_PRECONFIG, | |
39 | NULL, NULL, 0); | |
40 | ||
41 | DWORD flags = | |
42 | INTERNET_FLAG_DONT_CACHE | | |
43 | INTERNET_FLAG_KEEP_CONNECTION | | |
44 | INTERNET_FLAG_PRAGMA_NOCACHE | | |
45 | INTERNET_FLAG_RELOAD | | |
46 | INTERNET_FLAG_EXISTING_CONNECT | | |
47 | INTERNET_FLAG_PASSIVE; | |
48 | ||
4e8ff53f DD |
49 | try_again: |
50 | ||
51 | if (net_user && net_passwd) | |
52 | { | |
53 | InternetSetOption (internet, INTERNET_OPTION_USERNAME, | |
54 | net_user, strlen (net_user)); | |
55 | InternetSetOption (internet, INTERNET_OPTION_PASSWORD, | |
56 | net_passwd, strlen (net_passwd)); | |
57 | } | |
58 | ||
23c9e63c DD |
59 | if (net_proxy_user && net_proxy_passwd) |
60 | { | |
61 | InternetSetOption (internet, INTERNET_OPTION_PROXY_USERNAME, | |
62 | net_proxy_user, strlen (net_proxy_user)); | |
63 | InternetSetOption (internet, INTERNET_OPTION_PROXY_PASSWORD, | |
64 | net_proxy_passwd, strlen (net_proxy_passwd)); | |
65 | } | |
66 | ||
67 | connection = InternetOpenUrl (internet, url, NULL, 0, flags, 0); | |
68 | ||
69 | if (!connection) | |
70 | { | |
71 | if (GetLastError () == ERROR_INTERNET_EXTENDED_ERROR) | |
72 | { | |
73 | char buf[2000]; | |
74 | DWORD e, l=sizeof (buf); | |
75 | InternetGetLastResponseInfo (&e, buf, &l); | |
76 | MessageBox (0, buf, "Internet Error", 0); | |
77 | } | |
23c9e63c | 78 | } |
4e8ff53f DD |
79 | |
80 | DWORD type, type_s; | |
81 | type_s = sizeof (type); | |
82 | InternetQueryOption (connection, INTERNET_OPTION_HANDLE_TYPE, | |
83 | &type, &type_s); | |
84 | ||
85 | switch (type) | |
86 | { | |
87 | case INTERNET_HANDLE_TYPE_HTTP_REQUEST: | |
88 | case INTERNET_HANDLE_TYPE_CONNECT_HTTP: | |
89 | type_s = sizeof (DWORD); | |
90 | if (HttpQueryInfo (connection, | |
91 | HTTP_QUERY_STATUS_CODE | HTTP_QUERY_FLAG_NUMBER, | |
92 | &type, &type_s, NULL)) | |
93 | { | |
94 | if (type == 401) /* authorization required */ | |
95 | { | |
96 | get_auth (); | |
97 | goto try_again; | |
98 | } | |
99 | else if (type == 407) /* proxy authorization required */ | |
100 | { | |
101 | get_proxy_auth (); | |
102 | goto try_again; | |
103 | } | |
104 | else if (type >= 300) | |
105 | { | |
106 | connection = 0; | |
107 | return; | |
108 | } | |
109 | } | |
110 | } | |
23c9e63c DD |
111 | } |
112 | ||
113 | NetIO_IE5::~NetIO_IE5 () | |
114 | { | |
115 | if (connection) | |
116 | InternetCloseHandle (connection); | |
117 | } | |
118 | ||
119 | int | |
120 | NetIO_IE5::ok () | |
121 | { | |
122 | return (connection == NULL) ? 0 : 1; | |
123 | } | |
124 | ||
125 | int | |
126 | NetIO_IE5::read (char *buf, int nbytes) | |
127 | { | |
128 | DWORD actual; | |
129 | if (InternetReadFile (connection, buf, nbytes, &actual)) | |
130 | return actual; | |
131 | return -1; | |
132 | } |