org.owasp.jbrofuzz3.message.Request Maven / Gradle / Ivy
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/**
* JbroFuzz 2.5
*
* JBroFuzz - A stateless network protocol fuzzer for web applications.
*
* Copyright (C) 2007 - 2010 [email protected]
*
* This file is part of JBroFuzz.
*
* JBroFuzz is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JBroFuzz is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with JBroFuzz. If not, see An HTTP Request (regardless of version) can be created
* from a java String.
*
* It can be broken down to a number of constant
* sub-strings, called elements and a number of different
* types.
*
* Thus the process of obtaining the message as it to
* be put on the wire, becomes the process of iterating
* through the different types and 'padding' the
* respective values of elements where it is required.
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
public class Request {
private ArrayList types;
private ArrayList elements;
private static byte CRLF = 1;
private static byte PLAINTEXT = 2;
private final int messageBodyLocation;
private final int contentLengthHeaderLocation;
/**
* Simple test method, to be removed later on
*
* @param args
*/
public static void main(String [] args) {
String [] messages =
{
"",
"\n\n\n\n\n\n\n\n",
"GET /ig/extern_js/f/CgJlbB/2qJTcRRHu10.js HTTP/1.1\n" +
"Host: www.google.com\n" +
"Referer: http://www.google.com/ig?refresh=1" +
"\n" +
"\n",
"GET /index.html",
"POST /someURL.jsp?user=one HTTP/1.0\n" +
"Host: localhost\n" +
"Content-Length: 61\n" +
"\n" +
"project=WIP&surname=last&firstName=first&language=en",
"POST /SomeLoc/SWService HTTP/1.1\n" +
"Host: somelocation.com\n" +
"User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13\n" +
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n" +
"Accept-Language: en-gb,en;q=0.5\n" +
"Accept-Encoding: gzip,deflate\n" +
"Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\n" +
"Keep-Alive: 115\n" +
"Connection: keep-alive" +
"Referer: https://www.theref.com\n" +
"Content-type: text/xml; charset=utf-8\n" +
"SOAPAction: \"\"\n" +
"Content-Length: 413\n" +
"\n" +
"\n" +
"\n" +
"\n" +
"asdf \n" +
"asd \n" +
" \n" +
" \n"
};
for(String message : messages) {
Request r = new Request(message);
System.out.println(">>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Start -->");
System.out.println("Message:\n"+r.getRequestForDisplayPurposes());
debug(r);
System.out.println("Type size is: " + r.getTypes().size());
System.out.println("Has message body: " + r.isMessageBodyPresent());
System.out.println("Adding a header: Header: MyHeaderOne!");
r.addHeader("Header: MyHeaderOne!");
debug(r);
System.out.println("New Message:\n"+r.getRequestForDisplayPurposes());
System.out.println("<-- End <<< <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
}
System.out.println("Done!");
}
public void addHeader(String header) {
if(messageBodyLocation > 0) {
final int lastHeaderType = types.size() - 2;
types.add(lastHeaderType, Request.CRLF);
types.add(lastHeaderType, Request.PLAINTEXT);
final int lastHeaderElement = elements.size() - 1;
elements.add(lastHeaderElement, header);
} else {
if(types.size() > 0) {
types.add(Request.CRLF);
}
types.add(Request.PLAINTEXT);
elements.add(header);
}
}
/**
* Method to check if a content-length header exists
* within the list of types and elements.
*
* @return The index within types where the content-length
* header is; -1 otherwise.
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
public int hasContentHeader() {
Iterator itrTypes = types.iterator();
Iterator itrData = elements.iterator();
int counter = 0;
while(itrTypes.hasNext()) {
byte currentType = itrTypes.next();
if(currentType != CRLF) {
final String currentString = itrData.next().toLowerCase();
if(currentString.startsWith("content-length:")) {
return counter;
}
}
counter++;
}
return -1;
}
/**
* Method to check if the request has a message body.
*
* The check is based upon the following pattern, ending
* the types array:
* PLAINTEXT CRLF CRLF PLAINTEXT
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
public boolean isMessageBodyPresent() {
return (messageBodyLocation > 0);
}
/**
*
Method for checking if a content-length header is
* present within the request.
*
* @return true if present, false otherwise.
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
public boolean isContentLengthHeaderPresent() {
return (contentLengthHeaderLocation > 0);
}
/**
* Constructor responsible for passing a plain message,
* into a Request that can be placed on the wire.
*
* @param message e.g.
*
* "POST /someURL.jsp?user=one HTTP/1.0\n" +
* "Host: localhost\n" +
* "\n\n"
*
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
public Request(final String message) {
// Initialise
types = new ArrayList();
elements = new ArrayList();
// Break down the message into types & elements
loadMessage(message, types, elements);
// Remove any CRLFs from the end of the message
removeEndCRLFs(types);
// Check for message type and define it if present
messageBodyLocation = findMessageBodyLocation();
// Set the location of the content-length header;
// -1 if not present
contentLengthHeaderLocation = hasContentHeader();
}
/**
* This method removes up to 16 end of line types (i.e. CRLF
* characters) from the end of the types array.
*
* @param types The array of types
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
private static void removeEndCRLFs(ArrayList types) {
byte count = 0;
while(count < 16) {
int lastType = types.size() - 1;
if(lastType < 0) {
return;
} else {
if(types.get(lastType) == CRLF) {
types.remove(lastType);
} else {
return;
}
}
count++;
}
}
/**
* Method that checks to see if the last element in the
* types array is a message body.
*
* The check is based upon the following pattern, ending
* the types array:
* PLAINTEXT CRLF CRLF PLAINTEXT
*
* @param types
* @return true if the above pattern is present
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
private int findMessageBodyLocation() {
Iterator itrTypes = types.iterator();
int returnValue = -1;
byte pattern1 = PLAINTEXT;
byte pattern2 = CRLF;
byte pattern3 = CRLF;
byte pattern4 = PLAINTEXT;
Stack messageBodyPattern = new Stack();
while(itrTypes.hasNext()) {
if(messageBodyPattern.size() == 4) {
}
messageBodyPattern.push(itrTypes.next());
}
return returnValue;
}
/**
* Take a message and break it to two arrays:
* one of types and one of elements.
*
* Thus the following message:
*
* "POST /someURL.jsp?user=one HTTP/1.0\n" +
* "Host: localhost\n" +
* "\n\n"
*
* would result in an array of types (bytes):
*
* [ PLAINTEXT, CRLF, PLAINTEXT, CRLF, CRLF, CRLF]
*
* and an array of elements (strings):
*
* [ "POST /someURL.jsp?user=one HTTP/1.0"
* "Host: localhost" ]
*
*
* @param message Note that only '\n' is read for CRLF
* @param types The array to be populated
* @param elements The array to be populated
*
* @author [email protected]
* @version 2.5
* @since 2.5
*
*/
private static void loadMessage(final String message, ArrayList types, ArrayList elements) {
char[] charArray = message.toCharArray();
StringBuffer sb = new StringBuffer();
for(char c : charArray) {
if(c == '\n') {
int dataLength = sb.length();
if(dataLength > 0) {
elements.add(sb.toString());
sb.delete(0, dataLength);
types.add(PLAINTEXT);
}
types.add(CRLF);
} else {
sb.append(c);
}
}
int dataLength = sb.length();
if(dataLength > 0) {
elements.add(sb.toString());
sb.delete(0, dataLength);
types.add(PLAINTEXT);
}
}
/**
* Debug method to be commented out.
*
* @param r
*/
private static void debug(Request r) {
Iterator itrTypes = r.getTypes().iterator();
Iterator itrData = r.getElements().iterator();
System.out.println("Types Array: ");
while (itrTypes.hasNext()) {
System.out.print(itrTypes.next() + " ");
}
System.out.println("");
System.out.println("Types Data: ");
while (itrData.hasNext()) {
System.out.print("[" + itrData.next() + "] ");
}
System.out.println("");
}
private ArrayList getElements() {
// TODO Auto-generated method stub
return elements;
}
private ArrayList getTypes() {
// TODO Auto-generated method stub
return types;
}
public String getRequest() {
StringBuffer output = new StringBuffer();
Iterator itrTypes = types.iterator();
Iterator itrData = elements.iterator();
while(itrTypes.hasNext()) {
byte currentType = itrTypes.next();
switch (currentType) {
case 1:
output.append('\r');
output.append('\n');
break;
case 2:
output.append(itrData.next());
break;
}
}
if( (types.size() > 0) && (!isMessageBodyPresent()) ) {
output.append('\r');
output.append('\n');
output.append('\r');
output.append('\n');
}
return output.toString();
}
public String getRequestForDisplayPurposes() {
StringBuffer output = new StringBuffer();
Iterator itrTypes = types.iterator();
Iterator itrData = elements.iterator();
while(itrTypes.hasNext()) {
byte currentType = itrTypes.next();
switch (currentType) {
case 1:
output.append("CRLF");
output.append('\n');
break;
case 2:
output.append(itrData.next());
break;
}
}
if( (types.size() > 0) && (!isMessageBodyPresent()) ) {
output.append("CRLF");
output.append('\n');
output.append("CRLF");
output.append('\n');
}
return output.toString();
}
}