repos/Bender/Bender.cpp

// Bender
//
// Douglas Thrift
//
// $Id$

#include "Bender.hpp"
#include "Matcher.hpp"

#include <xalanc/Include/PlatformDefinitions.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xalanc/XalanTransformer/XalanTransformer.hpp>

XALAN_USING_XERCES(XMLPlatformUtils)
XALAN_USING_XALAN(XalanTransformer)

int main(int argc, char* argv[])
{
        XMLPlatformUtils::Initialize();
        XalanTransformer::initialize();

        Bender bender;

        XalanTransformer::terminate();
        XMLPlatformUtils::Terminate();
        XalanTransformer::ICUCleanUp();

        return 0;
}

Bender::Bender()
{
        string path = sgetenv("PATH_TRANSLATED");


        if (path != "")
        {
                ifstream file(path.c_str());

                if (file.is_open())
                {
                        file.close();

                        bend(path, sgetenv("HTTP_USER_AGENT"));

                        return;
                }
        }

        cout << "Location: http://computers.douglasthrift.net/bender.xml\n\n";
}

void Bender::bend(const string& path, const string& agent)
{
        Matcher matcher;

        if (agent == matcher("Opera( |\\/)(\\d+)\\.(\\d+)"))
        {
                bend(path);
        }
        else if (agent == matcher(string("^Mozilla/4.0 \\(compatible; MSIE (\\d+)")
                + "\\.(\\d+)(\\w+)?; .*\\)$"))
        {
                int version;
                istringstream number(matcher[1]);

                number >> version;

                if (version >= 6)
                {
                        pass(path);
                }
                else
                {
                        bend(path);
                }
        }
        else if (agent == matcher(string("^Mozilla/5.0 \\(.*; rv:(\\d+)\\.(\\d+)(")
                + "\\.d+)?(\\w+)?\\) Gecko\\/.*"))
        {
                int major, minor;
                istringstream number(matcher[1] + ' ' + matcher[2]);

                number >> major;
                number >> minor;

                if (major > 1 || (major == 1 && minor >= 5))
                {
                        pass(path);
                }
                else
                {
                        bend(path);
                }
        }
        else
        {
                bend(path);
        }
}

void Bender::bend(const string& path)
{
        ostringstream output;
        XalanTransformer transformer;

        if (transformer.transform(path.c_str(), output) == 0)
        {
                string type = "text/html; charset=ISO-8859-1";
                Matcher matcher("<META http-equiv=\"Content-Type\" content=\"(.*)\">");

                if (matcher == output.str())
                {
                        type = matcher[1];
                }

                cout << "Content-Type: " << type << "\n\n" << output.str();
        }
        else
        {
                pass(path);
        }
}

void Bender::pass(const string& path)
{
        cout << "Content-Type: text/xml; charset=ISO-8859-1\n\n";

        ifstream fin(path.c_str());
        string line;

        do
        {
                getline(fin, line);

                cout << line << '\n';
        }
        while (fin.good());
}
Revision:	120
Committed:	2004-03-17T22:01:55-08:00 (21 years, 3 months ago) by Douglas Thrift
File size:	2279 byte(s)
Log Message:	If we don't have to handle 404, let's just redirect to a page about ourself.
#	User	Rev	Content
1	Douglas Thrift	109	// Bender
2			//
3			// Douglas Thrift
4			//
5			// $Id$
6
7			#include "Bender.hpp"
8	Douglas Thrift	113	#include "Matcher.hpp"
9	Douglas Thrift	109
10	Douglas Thrift	113	#include <xalanc/Include/PlatformDefinitions.hpp>
11			#include <xercesc/util/PlatformUtils.hpp>
12			#include <xalanc/XalanTransformer/XalanTransformer.hpp>
13
14			XALAN_USING_XERCES(XMLPlatformUtils)
15			XALAN_USING_XALAN(XalanTransformer)
16
17	Douglas Thrift	109	int main(int argc, char* argv[])
18			{
19			XMLPlatformUtils::Initialize();
20			XalanTransformer::initialize();
21	Douglas Thrift	119
22	Douglas Thrift	109	Bender bender;
23
24			XalanTransformer::terminate();
25			XMLPlatformUtils::Terminate();
26			XalanTransformer::ICUCleanUp();
27
28			return 0;
29			}
30
31			Bender::Bender()
32			{
33	Douglas Thrift	111	string path = sgetenv("PATH_TRANSLATED");
34
35	Douglas Thrift	119
36			if (path != "")
37	Douglas Thrift	111	{
38	Douglas Thrift	119	ifstream file(path.c_str());
39
40			if (file.is_open())
41			{
42			file.close();
43
44			bend(path, sgetenv("HTTP_USER_AGENT"));
45
46			return;
47			}
48	Douglas Thrift	111	}
49	Douglas Thrift	119
50	Douglas Thrift	120	cout << "Location: http://computers.douglasthrift.net/bender.xml\n\n";
51	Douglas Thrift	109	}
52	Douglas Thrift	114
53	Douglas Thrift	116	void Bender::bend(const string& path, const string& agent)
54	Douglas Thrift	114	{
55			Matcher matcher;
56
57	Douglas Thrift	116	if (agent == matcher("Opera( \|\\/)(\\d+)\\.(\\d+)"))
58	Douglas Thrift	114	{
59	Douglas Thrift	116	bend(path);
60	Douglas Thrift	114	}
61	Douglas Thrift	116	else if (agent == matcher(string("^Mozilla/4.0 \\(compatible; MSIE (\\d+)")
62			+ "\\.(\\d+)(\\w+)?; .*\\)$"))
63	Douglas Thrift	114	{
64	Douglas Thrift	117	int version;
65			istringstream number(matcher[1]);
66	Douglas Thrift	116
67	Douglas Thrift	117	number >> version;
68
69			if (version >= 6)
70			{
71			pass(path);
72			}
73			else
74			{
75			bend(path);
76			}
77	Douglas Thrift	114	}
78	Douglas Thrift	116	else if (agent == matcher(string("^Mozilla/5.0 \\(.*; rv:(\\d+)\\.(\\d+)(")
79			+ "\\.d+)?(\\w+)?\\) Gecko\\/.*"))
80	Douglas Thrift	114	{
81	Douglas Thrift	117	int major, minor;
82			istringstream number(matcher[1] + ' ' + matcher[2]);
83
84			number >> major;
85			number >> minor;
86
87			if (major > 1 \|\| (major == 1 && minor >= 5))
88			{
89			pass(path);
90			}
91			else
92			{
93			bend(path);
94			}
95	Douglas Thrift	114	}
96			else
97			{
98	Douglas Thrift	116	bend(path);
99	Douglas Thrift	114	}
100			}
101
102	Douglas Thrift	116	void Bender::bend(const string& path)
103	Douglas Thrift	114	{
104	Douglas Thrift	116	ostringstream output;
105			XalanTransformer transformer;
106
107			if (transformer.transform(path.c_str(), output) == 0)
108			{
109			string type = "text/html; charset=ISO-8859-1";
110			Matcher matcher("<META http-equiv=\"Content-Type\" content=\"(.*)\">");
111
112			if (matcher == output.str())
113			{
114			type = matcher[1];
115			}
116	Douglas Thrift	119
117	Douglas Thrift	116	cout << "Content-Type: " << type << "\n\n" << output.str();
118			}
119			else
120			{
121			pass(path);
122			}
123	Douglas Thrift	114	}
124	Douglas Thrift	116
125			void Bender::pass(const string& path)
126			{
127			cout << "Content-Type: text/xml; charset=ISO-8859-1\n\n";
128
129			ifstream fin(path.c_str());
130			string line;
131
132			do
133			{
134			getline(fin, line);
135
136			cout << line << '\n';
137			}
138			while (fin.good());
139			}