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/*****************************************************************************
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* This file is part of the BeanShell Java Scripting distribution. *
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package bsh.util;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.StringTokenizer;
/**
* A very simple httpd that supports the remote server mode. Files are loaded
* relative to the classpath (as resources).
*
* Warning: this is not secure! This server can probably be duped into serving
* any file on your system! Beware!
*
* Note: at some point this should be recast as a beanshell script.
*/
public class Httpd extends Thread {
ServerSocket ss;
public static void main(String argv[]) throws IOException {
new Httpd(Integer.parseInt(argv[0])).start();
}
public Httpd(int port) throws IOException {
ss = new ServerSocket(port);
}
public void run() {
// System.out.println("starting httpd...");
try {
while (true)
new HttpdConnection(ss.accept()).start();
} catch (IOException e) {
System.out.println(e);
}
}
}
class HttpdConnection extends Thread {
Socket client;
BufferedReader in;
OutputStream out;
PrintStream pout;
boolean isHttp1;
HttpdConnection(Socket client) {
this.client = client;
setPriority(NORM_PRIORITY - 1);
}
public void run() {
try {
in = new BufferedReader(new InputStreamReader(client.getInputStream()));
out = client.getOutputStream();
pout = new PrintStream(out);
String request = in.readLine();
if (request == null)
error(400, "Empty Request");
if (request.toLowerCase().indexOf("http/1.") != -1) {
String s;
while ((!(s = in.readLine()).equals("")) && (s != null)) {
;
}
isHttp1 = true;
}
StringTokenizer st = new StringTokenizer(request);
if (st.countTokens() < 2)
error(400, "Bad Request");
else {
String command = st.nextToken();
if (command.equals("GET"))
serveFile(st.nextToken());
else
error(400, "Bad Request");
}
client.close();
} catch (IOException e) {
System.out.println("I/O error " + e);
try {
client.close();
} catch (Exception e2) {
}
}
}
private void serveFile(String file) throws FileNotFoundException, IOException {
// Do some mappings
if (file.equals("/"))
file = "/remote/remote.html";
if (file.startsWith("/remote/"))
file = "/bsh/util/lib/" + file.substring(8);
/*
* if(file.startsWith("/")) file = file.substring(1);
* if(file.endsWith("/") || file.equals("")) file = file +
* "index.html";
*
* if(!fileAccessOK(file)) { error(403, "Forbidden"); return; }
*/
// don't send java packages over... (e.g. swing)
if (file.startsWith("/java"))
error(404, "Object Not Found");
else
try {
System.out.println("sending file: " + file);
sendFileData(file);
} catch (FileNotFoundException e) {
error(404, "Object Not Found");
}
}
private void sendFileData(String file) throws IOException, FileNotFoundException {
/*
* Why aren't resources being found when this runs on Win95?
*/
InputStream fis = getClass().getResourceAsStream(file);
if (fis == null)
throw new FileNotFoundException(file);
byte[] data = new byte[fis.available()];
if (isHttp1) {
pout.println("HTTP/1.0 200 Document follows");
pout.println("Content-length: " + data.length);
if (file.endsWith(".gif"))
pout.println("Content-type: image/gif");
else if (file.endsWith(".html") || file.endsWith(".htm"))
pout.println("Content-Type: text/html");
else
pout.println("Content-Type: application/octet-stream");
pout.println();
}
int bytesread = 0;
// Never, ever trust available()
do {
bytesread = fis.read(data);
if (bytesread > 0)
pout.write(data, 0, bytesread);
} while (bytesread != -1);
pout.flush();
}
private void error(int num, String s) {
s = "" + s + "
";
if (isHttp1) {
pout.println("HTTP/1.0 " + num + " " + s);
pout.println("Content-type: text/html");
pout.println("Content-length: " + s.length() + "\n");
}
pout.println(s);
}
}
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