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root/repos/Bender/Bender.cpp
Revision: 376
Committed: 2004-12-22T18:23:27-08:00 (20 years, 6 months ago) by douglas
File size: 2760 byte(s)
Log Message:
Who needs an e?

File Contents

# Content
1 // Bender
2 //
3 // Douglas Thrift
4 //
5 // $Id$
6
7 #include "Matcher/Matcher.hpp"
8
9 #include <menes-api/console.hpp>
10 #include <menes-api/environment.hpp>
11 #include <menes-api/files.hpp>
12 #include <menes-api/process.hpp>
13 #include <menes-app/simple.hpp>
14 #include <menes-ios/helpers.hpp>
15
16 class Bender
17 {
18 private:
19 void bend(const ext::String& path, const ext::String& agent);
20 void bend(const ext::String& path);
21 void pass(const ext::String& path);
22 public:
23 Bender();
24 };
25
26 struct Environment
27 {
28 ext::String get(const ext::String& name) { try { return api::TheEnvironment.Get(name); } catch (ext::Exception) { return ext::String(); } }
29 } env;
30
31 int Main(const app::Options& options)
32 {
33 Bender bender;
34
35 return 0;
36 }
37
38 Bender::Bender()
39 {
40 ext::String path(env.get("PATH_TRANSLATED"));
41 Matcher matcher("^" + env.get("SCRIPT_NAME"));
42
43 if (!path.IsEmpty() && env.get("REQUEST_URI") != matcher)
44 {
45 try
46 {
47 api::FileReader file(path);
48
49 bend(path, env.get("HTTP_USER_AGENT"));
50 }
51 catch (ext::Exception)
52 {
53 api::Cout << "Status: 404\r\n"
54 << "Content-Type: text/html; charset=ISO-8859-1\r\n\r\n"
55 << "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n"
56 << "<html><head>\n"
57 << "<title>404 Not Found</title>\n"
58 << "</head><body>\n"
59 << "<h1>Not Found</h1>\n"
60 << "<p>The requested URL " << env.get("PATH_INFO")
61 << " was not found on this server.</p>\n"
62 << "<hr />\n"
63 << env.get("SERVER_SIGNATURE") << "</body></html>\n";
64 }
65 }
66 else api::Cout << "Location: http://computers.douglasthrift.net/bender.xml\r\n\r\n";
67 }
68
69 void Bender::bend(const ext::String& path, const ext::String& agent)
70 {
71 Matcher matcher;
72
73 if (agent == matcher("Opera( |\\/)(\\d+)\\.(\\d+)")) bend(path); else if (agent == matcher("rv:(\\d+)\\.(\\d+).*\\) Gecko"))
74 {
75 int major_(lexical_cast<int>(matcher[1])), minor_(lexical_cast<int>(matcher[2]));
76
77 if (major_ > 1 || (major_ == 1 && minor_ >= 5)) pass(path); else bend(path);
78 }
79 else bend(path);
80 }
81
82 void Bender::bend(const ext::String& path)
83 {
84 _L<ext::String> args(1, "-a");
85
86 args.InsertLast(path);
87
88 #if defined(__FreeBSD__)
89 _S<api::Process> xslt("/usr/local/bin/Xalan", args);
90 #elif defined(_WIN32)
91 _S<api::Process> xslt("Xalan.exe", args);
92 #else
93 _S<api::Process> xslt("Xalan", args);
94 #endif
95 ios::String output;
96
97 ios::ReadToWrite(*xslt.GetReader(), output);
98
99 if (!output.IsEmpty())
100 {
101 ext::String type("text/xml");
102 Matcher matcher("http-equiv=\"Content-Type\" content=\"(.*)\"", PCRE_MULTILINE);
103
104 if (matcher == output) type = matcher[1];
105
106 api::Cout << "Content-Type: " << type << "\r\n\r\n" << output;
107 }
108 else pass(path);
109 }
110
111 void Bender::pass(const ext::String& path)
112 {
113 api::Cout << "Content-Type: text/xml\r\n\r\n";
114
115 api::FileReader file(path);
116
117 ios::ReadToWrite(file, api::Cout);
118 }

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