RetroZilla/netwerk/testserver/ScriptFile.java
2015-10-20 23:03:22 -04:00

293 lines
9.4 KiB
Java

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
import java.io.*;
import java.util.Date;
import java.util.StringTokenizer;
/*
ScriptFile class reads off the script file and sets up the list
of delimiters.
*/
class ScriptFile {
public static final String URLMAP = new String("docs/urlmap");
public ScriptFile(Connection c, String req, PrintWriter stream ) {
con = c;
request = req;
out = stream;
if (out == null)
out = new PrintWriter(System.out);
file = URLMAP;
try {
Parse();
}
catch (IOException e)
{
out.println("HTTP/1.1 500 Server Error\n\n");
out.println("Failed with this exception-");
out.println(e);
}
out.flush();
}
public ScriptFile(String f) {
file = f;
out = new PrintWriter(System.out);
try {
Parse();
}
catch (FileNotFoundException e)
{
out.println("HTTP/1.1 404 File Not Found\n\n");
out.println("File not found!");
out.println(e);
}
catch (IOException e)
{
out.println("HTTP/1.1 500 Server Error\n\n");
out.println("Failed with this exception-");
out.println(e);
}
out.flush();
}
public void Parse () throws IOException {
if ((request == null) ||
(request.length() == 0) ||
request.startsWith("GET / ") || request.startsWith("get / "))
{
WriteDefaultResponse();
return;
}
if (request.startsWith("GET /?") || request.startsWith("get /?"))
{
WriteSpecialResponse(request.substring(request.indexOf('?')+1));
return;
}
if (request.startsWith("HEAD /") || request.startsWith("head /"))
{
WriteHeadResponse();
return;
}
boolean outDirty = false;
if (file != null)
{
BufferedReader in = new BufferedReader(
new InputStreamReader(
new FileInputStream(file)));
String s = new String();
while((s = in.readLine())!= null)
{
s.trim();
/* Skip comments */
if ((s.length() == 0) || (s.charAt(0) == '#'))
continue;
if (s.startsWith("START")) {
// Check to see if this was in the requested URL
String filename = new String ("GET " + s.substring(6));
String otherfilename = new String("POST " + s.substring(6));
if (request.startsWith(filename) ||
request.startsWith(otherfilename))
{
continue;
}
else// Else skipto past the END
{
while (!s.startsWith("END"))
{
s = in.readLine();
if (s != null)
{
s.trim();
}
else
break;
}
}
}
else if (s.startsWith("ECHO")) {
outDirty = true;
boolean parameter = false;
try {
String header = new String(s.substring(5));
String req= new String(con.request);
int t = req.indexOf(header);
if (t != -1) {
out.println(req.substring(
t, req.indexOf("\n", t)));
parameter = true;
}
else {
out.println("Error: " + header +
" not specified in request!");
}
}
catch (StringIndexOutOfBoundsException e) {}
if (!parameter)
out.println(con.request);
}
else if (s.startsWith("INCLUDE")) {
outDirty = true;
WriteOutFile("docs/" + s.substring(8));
}
else if (s.startsWith("CRLF")) {
outDirty = true;
out.println();
}
else if (s.startsWith("END")) {
// ignore should never have appeared here though!
continue;
}
else {// Not a recognizable line... just print it as is...
outDirty = true;
out.println(s);
}
}
in.close();
if (outDirty)
{
out.flush();
}
else
WriteDefaultResponse();
}
}
public static void main(String args[]) {
if (args.length >= 1) {
ScriptFile sf = new ScriptFile(args[0]);
/* Detect change stuff;
File f = new File(args[0]);
long lastMod = f.lastModified();
while (f.lastModified() == lastMod) {
}
sf.Parse();
*/
}
}
protected void WriteOutFile(String filename) throws IOException {
BufferedReader incl = new BufferedReader(
new InputStreamReader(
new FileInputStream(filename)));
// This doesn't have to be line wise... change later TODO
String s;
while ((s = incl.readLine()) != null)
{
out.println(s);
}
incl.close();
}
protected void WriteDefaultResponse() throws IOException {
WriteOutFile("docs/generic.res");
out.println("Date: " + (new Date()).toString());
if (file != null)
{
File f = new File(file);
out.println("Last-modified: " + (new Date(f.lastModified())).toString());
}
out.println("\n"); // prints 2
if (con != null)
{
out.println("<HTML><BODY>");
out.println("<H3>Rec'd. the following request-</H3>");
out.println("<PRE>");
out.println(con.request);
out.println("</PRE>");
out.println("From- " + con.client);
out.println("</BODY></HTML>");
}
}
protected void WriteSpecialResponse(String specialcase) throws IOException {
out.println("HTTP/1.1 200 OK");
out.println("Server: HTTP Test Server/1.1");
out.println("Content-Type: text/plain");
StringTokenizer st = new StringTokenizer(specialcase, " &");
while (st.hasMoreTokens()) {
String pair = st.nextToken();
if (pair.startsWith("Length=") || pair.startsWith("length="))
{
int len = Integer.valueOf(pair.substring(
pair.indexOf('=')+1), 10).intValue();
out.println("Date: " + (new Date()).toString());
out.println("Content-Length: " + len);
out.println("\n");
for (int i = 0; i<len; i++) {
out.print ((char)i%10);
if ((i>0) && ((i+1)%80) == 0)
out.print('\n');
out.flush();
}
return;
}
}
}
protected void WriteHeadResponse() {
out.println("HTTP/1.1 200 OK");
out.println("Server: HTTP Test Server/1.1");
out.println("Content-Type: text/plain");
out.println("Content-Length: 1000" ); // bogus
out.println("Date: " + (new Date()).toString());
out.println(); // also test without it
out.flush();
}
String file = null;
// The string associated with this script occurence
String request;
PrintWriter out;
Connection con;
}