| /* |
| * 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 |
| * |
| * . |
| * |
| */ |
| /************************************************************************************************ |
| * PRODUCT OF PT INOVACAO - EST DEPARTMENT and Telecommunications Institute (Aveiro, Portugal) * |
| ************************************************************************************************/ |
| |
| |
| package gov.nist.javax.sip.parser.ims; |
| |
| /** |
| * Security Agreement for SIP. |
| * <p>headers: Security-Client, Security-Server and Security-Verify</p> |
| * |
| * @author Miguel Freitas (IT) PT-Inovacao |
| */ |
| |
| |
| import gov.nist.core.NameValue; |
| import gov.nist.core.Token; |
| import gov.nist.javax.sip.header.SIPHeaderList; |
| import gov.nist.javax.sip.header.ims.*; |
| import gov.nist.javax.sip.parser.HeaderParser; |
| import gov.nist.javax.sip.parser.Lexer; |
| import gov.nist.javax.sip.parser.TokenTypes; |
| |
| import java.text.ParseException; |
| |
| |
| |
| public class SecurityAgreeParser extends HeaderParser |
| { |
| |
| public SecurityAgreeParser(String security) { |
| super(security); |
| } |
| |
| |
| protected SecurityAgreeParser(Lexer lexer) { |
| super(lexer); |
| } |
| |
| |
| protected void parseParameter(SecurityAgree header) |
| throws ParseException |
| { |
| if (debug) |
| dbg_enter("parseParameter"); |
| try { |
| NameValue nv = this.nameValue('='); |
| header.setParameter(nv); |
| } finally { |
| if (debug) |
| dbg_leave("parseParameter"); |
| } |
| } |
| |
| |
| public SIPHeaderList parse(SecurityAgree header) throws ParseException |
| { |
| |
| SIPHeaderList list; |
| |
| if (header.getClass().isInstance(new SecurityClient())) { |
| list = new SecurityClientList(); |
| } else if (header.getClass().isInstance(new SecurityServer())) { |
| list = new SecurityServerList(); |
| } else if (header.getClass().isInstance(new SecurityVerify())) { |
| list = new SecurityVerifyList(); |
| } |
| else |
| return null; |
| |
| |
| // the security-mechanism: |
| this.lexer.SPorHT(); |
| lexer.match(TokenTypes.ID); |
| Token type = lexer.getNextToken(); |
| header.setSecurityMechanism(type.getTokenValue()); |
| this.lexer.SPorHT(); |
| |
| char la = lexer.lookAhead(0); |
| if (la == '\n') |
| { |
| list.add(header); |
| return list; |
| } |
| else if (la == ';') |
| this.lexer.match(';'); |
| |
| this.lexer.SPorHT(); |
| |
| // The parameters: |
| try { |
| while (lexer.lookAhead(0) != '\n') { |
| |
| this.parseParameter(header); |
| this.lexer.SPorHT(); |
| char laInLoop = lexer.lookAhead(0); |
| if (laInLoop == '\n' || laInLoop == '\0') |
| break; |
| else if (laInLoop == ',') |
| { |
| list.add(header); |
| if (header.getClass().isInstance(new SecurityClient())) { |
| header = new SecurityClient(); |
| } else if (header.getClass().isInstance(new SecurityServer())) { |
| header = new SecurityServer(); |
| } else if (header.getClass().isInstance(new SecurityVerify())) { |
| header = new SecurityVerify(); |
| } |
| |
| this.lexer.match(','); |
| // the security-mechanism: |
| this.lexer.SPorHT(); |
| lexer.match(TokenTypes.ID); |
| type = lexer.getNextToken(); |
| header.setSecurityMechanism(type.getTokenValue()); |
| |
| } |
| this.lexer.SPorHT(); |
| |
| if (lexer.lookAhead(0) == ';') |
| this.lexer.match(';'); |
| |
| this.lexer.SPorHT(); |
| |
| } |
| list.add(header); |
| |
| return list; |
| |
| } catch (ParseException ex) { |
| throw ex; |
| } |
| |
| |
| } |
| |
| |
| |
| |
| } |
| |
| |