001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.geronimo.corba.security.config.css; 018 019 import java.util.Iterator; 020 import java.util.Set; 021 import javax.security.auth.Subject; 022 023 import org.apache.geronimo.security.jaas.NamedUsernamePasswordCredential; 024 import org.apache.geronimo.security.ContextManager; 025 026 import org.apache.geronimo.corba.security.config.tss.TSSASMechConfig; 027 import org.apache.geronimo.corba.security.config.tss.TSSGSSUPMechConfig; 028 import org.apache.geronimo.corba.util.Util; 029 030 031 /** 032 * This GSSUP mechanism obtains its username and password from a named username 033 * password credential that is stored in the subject associated w/ the call 034 * stack. 035 * 036 * @version $Revision: 503493 $ $Date: 2007-02-04 13:47:55 -0800 (Sun, 04 Feb 2007) $ 037 */ 038 public class CSSGSSUPMechConfigDynamic implements CSSASMechConfig { 039 040 private final String domain; 041 private transient byte[] encoding; 042 043 public CSSGSSUPMechConfigDynamic(String domain) { 044 this.domain = domain; 045 } 046 047 public short getSupports() { 048 return 0; 049 } 050 051 public short getRequires() { 052 return 0; 053 } 054 055 public boolean canHandle(TSSASMechConfig asMech) { 056 if (asMech instanceof TSSGSSUPMechConfig) return true; 057 if (asMech.getRequires() == 0) return true; 058 059 return false; 060 } 061 062 public byte[] encode() { 063 if (encoding == null) { 064 NamedUsernamePasswordCredential credential = null; 065 Subject subject = ContextManager.getNextCaller(); 066 067 Set creds = subject.getPrivateCredentials(NamedUsernamePasswordCredential.class); 068 069 if (creds.size() != 0) { 070 for (Iterator iter = creds.iterator(); iter.hasNext();) { 071 NamedUsernamePasswordCredential temp = (NamedUsernamePasswordCredential) iter.next(); 072 if (temp.getName().equals(domain)) { 073 credential = temp; 074 break; 075 } 076 } 077 if(credential != null) { 078 String extendedUserName = Util.buildScopedUserName(credential.getUsername(), domain); 079 encoding = Util.encodeGSSUPToken(Util.getORB(), Util.getCodec(), extendedUserName, new String(credential.getPassword()), domain); 080 } 081 } 082 083 if (encoding == null) encoding = new byte[0]; 084 } 085 return encoding; 086 } 087 088 public String toString() { 089 StringBuffer buf = new StringBuffer(); 090 toString("", buf); 091 return buf.toString(); 092 } 093 094 public void toString(String spaces, StringBuffer buf) { 095 String moreSpaces = spaces + " "; 096 buf.append(spaces).append("CSSGSSUPMechConfigDynamic: [\n"); 097 buf.append(moreSpaces).append("domain: ").append(domain).append("\n"); 098 buf.append(spaces).append("]\n"); 099 } 100 101 }