|
1 // Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca> |
|
2 // |
|
3 // This program is free software; you can redistribute it and/or modify |
|
4 // it under the terms of the GNU General Public License as published by |
|
5 // the Free Software Foundation; either version 2 of the License, or |
|
6 // (at your option) any later version. |
|
7 // |
|
8 // This program is distributed in the hope that it will be useful, |
|
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
11 // GNU General Public License for more details. |
|
12 // |
|
13 // You should have received a copy of the GNU General Public License |
|
14 // along with this program; if not, write to the Free Software |
|
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
16 |
|
17 #include <config.h> |
|
18 #include <stdlib.h> |
|
19 #include "ac/time.h" |
|
20 #include <unistd.h> |
|
21 #include "cgi-base.h" |
|
22 #include "fdbuf/fdbuf.h" |
|
23 |
|
24 #ifndef HAVE_SRANDOM |
|
25 void srandom(unsigned int seed); |
|
26 #endif |
|
27 |
|
28 static void redirect(mystring url) |
|
29 { |
|
30 fout << "Location: " << url << "\r\n\r\n"; |
|
31 } |
|
32 |
|
33 void content_type(mystring ct) |
|
34 { |
|
35 fout << "Content-Type: " << ct << "\r\n\r\n"; |
|
36 } |
|
37 |
|
38 static void error_message(mystring msg) |
|
39 { |
|
40 content_type("text/html"); |
|
41 fout << "<html>" |
|
42 "<head>\n" |
|
43 "<title>CGI Error</title></head>\n" |
|
44 "<body>\n" |
|
45 "<p align=center><h1>CGI Error</h1></p><hr>\n" |
|
46 "<p>The following error occurred while trying to process your request:\r\n" |
|
47 "<pre>\r\n" << msg << "\r\n</pre></p>\r\n"; |
|
48 const mystring referer = getenv("HTTP_REFERER"); |
|
49 if(!referer.empty()) |
|
50 fout << "<p><a href=\"" << referer << "\">Back</a></p>\n"; |
|
51 fout << "</body>\n"; |
|
52 } |
|
53 |
|
54 static void response_message(mystring msg) |
|
55 { |
|
56 content_type("text/html"); |
|
57 fout << "<html>" |
|
58 "<head>\n" |
|
59 "<title>CGI Response</title></head>\n" |
|
60 "<body>\n" |
|
61 "<p align=center><h1>CGI Response</h1></p><hr>\n" |
|
62 "<p>" << msg << "</p>\n"; |
|
63 const mystring referer = getenv("HTTP_REFERER"); |
|
64 if(!referer.empty()) |
|
65 fout << "<p><a href=\"" << referer << "\">Back</a></p>\n"; |
|
66 fout << "</body>\n"; |
|
67 } |
|
68 |
|
69 CGI::CGI(const CGIArgs& a) |
|
70 : args(a), |
|
71 redirect_url(a["redirect"]), |
|
72 error_redirect_url(a["error_redirect"]), |
|
73 vdomain(a["vdomain"]), |
|
74 password(a["password"]) |
|
75 { |
|
76 must_be_defined("vdomain"); |
|
77 must_be_defined("password"); |
|
78 } |
|
79 |
|
80 void CGI::must_be_defined(mystring var) |
|
81 { |
|
82 if(!args.exists(var)) |
|
83 error("The input field '" + var + "' must be defined"); |
|
84 } |
|
85 |
|
86 void CGI::success(mystring msg) |
|
87 { |
|
88 if(!redirect_url) response_message(msg); |
|
89 else redirect(redirect_url); |
|
90 exit(0); |
|
91 } |
|
92 |
|
93 void CGI::error(mystring msg) |
|
94 { |
|
95 if(!error_redirect_url) error_message(msg); |
|
96 else redirect(error_redirect_url); |
|
97 exit(1); |
|
98 } |
|
99 |
|
100 int main(void) |
|
101 { |
|
102 struct timeval tv; |
|
103 gettimeofday(&tv, 0); |
|
104 srandom(tv.tv_usec ^ tv.tv_sec); |
|
105 CGIArgs cgiargs; |
|
106 if(cgiargs.error()) |
|
107 error_message(cgiargs.errorstr()); |
|
108 else |
|
109 CGI(cgiargs).main(); |
|
110 } |