| /* |
| * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import javax.security.auth.callback.*; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.io.*; |
| import javax.security.sasl.AuthorizeCallback; |
| import javax.security.sasl.RealmCallback; |
| |
| public final class PropertiesFileCallbackHandler implements CallbackHandler { |
| private Properties pwDb, namesDb, proxyDb; |
| |
| /** |
| * Contents of files are in the Properties file format. |
| * |
| * @param pwFile name of file containing name/password pairs |
| * @param namesFile name of file containing name to canonicalized name |
| * @param proxyFile name of file containing authname to list of authzids |
| */ |
| public PropertiesFileCallbackHandler(String pwFile, String namesFile, |
| String proxyFile) throws IOException { |
| String dir = System.getProperty("test.src"); |
| if (dir == null) { |
| dir = "."; |
| } |
| dir = dir + "/"; |
| |
| if (pwFile != null) { |
| pwDb = new Properties(); |
| pwDb.load(new FileInputStream(dir+pwFile)); |
| } |
| |
| if (namesFile != null) { |
| namesDb = new Properties(); |
| namesDb.load(new FileInputStream(dir+namesFile)); |
| } |
| |
| if (proxyFile != null) { |
| proxyDb = new Properties(); |
| proxyDb.load(new FileInputStream(dir+proxyFile)); |
| } |
| } |
| |
| public void handle(Callback[] callbacks) |
| throws UnsupportedCallbackException { |
| NameCallback ncb = null; |
| PasswordCallback pcb = null; |
| AuthorizeCallback acb = null; |
| RealmCallback rcb = null; |
| |
| for (int i = 0; i < callbacks.length; i++) { |
| if (callbacks[i] instanceof NameCallback) { |
| ncb = (NameCallback) callbacks[i]; |
| } else if (callbacks[i] instanceof PasswordCallback) { |
| pcb = (PasswordCallback) callbacks[i]; |
| } else if (callbacks[i] instanceof AuthorizeCallback) { |
| acb = (AuthorizeCallback) callbacks[i]; |
| } else if (callbacks[i] instanceof RealmCallback) { |
| rcb = (RealmCallback) callbacks[i]; |
| } else { |
| throw new UnsupportedCallbackException(callbacks[i]); |
| } |
| } |
| |
| // Process retrieval of password; can get password iff |
| // username is available in NameCallback |
| // |
| // Ignore realm for now; could potentially use different dbs for |
| // different realms |
| |
| if (pcb != null && ncb != null) { |
| String username = ncb.getDefaultName(); |
| String pw = pwDb.getProperty(username); |
| if (pw != null) { |
| char[] pwchars = pw.toCharArray(); |
| pcb.setPassword(pwchars); |
| // Clear pw |
| for (int i = 0; i <pwchars.length; i++) { |
| pwchars[i] = 0; |
| } |
| |
| // Set canonicalized username if any |
| String canonAuthid = |
| (namesDb != null? namesDb.getProperty(username) : null); |
| if (canonAuthid != null) { |
| ncb.setName(canonAuthid); |
| } |
| } |
| } |
| |
| // Check for authorization |
| |
| // Ignore realm for now; could potentially use different dbs for |
| // different realms |
| |
| if (acb != null) { |
| String authid = acb.getAuthenticationID(); |
| String authzid = acb.getAuthorizationID(); |
| if (authid.equals(authzid)) { |
| // Self is always authorized |
| acb.setAuthorized(true); |
| |
| } else { |
| // Check db for allowed authzids |
| String authzes = (proxyDb != null ? proxyDb.getProperty(authid) |
| : null); |
| if (authzes != null && authzes.indexOf(authzid) >= 0) { |
| // XXX need to search for subtrings or use StringTokenizer |
| // to avoid incorrectly matching subnames |
| acb.setAuthorized(true); |
| } |
| } |
| |
| if (acb.isAuthorized()) { |
| // Set canonicalized name |
| String canonAuthzid = (namesDb != null ? |
| namesDb.getProperty(authzid) : null); |
| if (canonAuthzid != null) { |
| acb.setAuthorizedID(canonAuthzid); |
| } |
| } |
| } |
| } |
| } |