110 lines
3.1 KiB
Java
110 lines
3.1 KiB
Java
/*
|
|
* Conditions Of Use
|
|
*
|
|
* This software was developed by employees of the National Institute of
|
|
* Standards and Technology (NIST), an agency of the Federal Government.
|
|
* Pursuant to title 15 Untied States Code Section 105, works of NIST
|
|
* employees are not subject to copyright protection in the United States
|
|
* and are considered to be in the public domain. As a result, a formal
|
|
* license is not needed to use the software.
|
|
*
|
|
* This software is provided by NIST as a service and is expressly
|
|
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
|
|
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
|
|
* AND DATA ACCURACY. NIST does not warrant or make any representations
|
|
* regarding the use of the software or the results thereof, including but
|
|
* not limited to the correctness, accuracy, reliability or usefulness of
|
|
* the software.
|
|
*
|
|
* Permission to use this software is contingent upon your acceptance
|
|
* of the terms of this agreement
|
|
*
|
|
* .
|
|
*
|
|
*/
|
|
package gov.nist.javax.sip.parser;
|
|
|
|
import gov.nist.javax.sip.header.*;
|
|
import gov.nist.core.*;
|
|
import java.text.ParseException;
|
|
|
|
/**
|
|
* Parser for the challenge portion of the authentication header.
|
|
*
|
|
* @version 1.2 $Revision: 1.8 $ $Date: 2009/07/17 18:57:58 $
|
|
* @since 1.1
|
|
*
|
|
* @author Olivier Deruelle <br/>
|
|
*
|
|
*
|
|
*/
|
|
|
|
public abstract class ChallengeParser extends HeaderParser {
|
|
|
|
/**
|
|
* Constructor
|
|
* @param String challenge message to parse to set
|
|
*/
|
|
protected ChallengeParser(String challenge) {
|
|
super(challenge);
|
|
}
|
|
|
|
/**
|
|
* Constructor
|
|
* @param String challenge message to parse to set
|
|
*/
|
|
protected ChallengeParser(Lexer lexer) {
|
|
super(lexer);
|
|
}
|
|
|
|
/**
|
|
* Get the parameter of the challenge string
|
|
* @return NameValue containing the parameter
|
|
*/
|
|
protected void parseParameter(AuthenticationHeader header)
|
|
throws ParseException {
|
|
|
|
if (debug)
|
|
dbg_enter("parseParameter");
|
|
try {
|
|
NameValue nv = this.nameValue('=');
|
|
header.setParameter(nv);
|
|
} finally {
|
|
if (debug)
|
|
dbg_leave("parseParameter");
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* parser the String message.
|
|
* @param header - header structure to fill in.
|
|
* @throws ParseException if the message does not respect the spec.
|
|
*/
|
|
public void parse(AuthenticationHeader header) throws ParseException {
|
|
|
|
// the Scheme:
|
|
this.lexer.SPorHT();
|
|
lexer.match(TokenTypes.ID);
|
|
Token type = lexer.getNextToken();
|
|
this.lexer.SPorHT();
|
|
header.setScheme(type.getTokenValue());
|
|
|
|
// The parameters:
|
|
try {
|
|
while (lexer.lookAhead(0) != '\n') {
|
|
this.parseParameter(header);
|
|
this.lexer.SPorHT();
|
|
char la = lexer.lookAhead(0);
|
|
if (la == '\n' || la == '\0')
|
|
break;
|
|
this.lexer.match(',');
|
|
this.lexer.SPorHT();
|
|
}
|
|
} catch (ParseException ex) {
|
|
throw ex;
|
|
}
|
|
}
|
|
}
|