1/*
2 * Copyright 2009 Rene Treffer
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *
16 */
17package de.measite.smack;
18
19import java.util.Enumeration;
20import java.util.Hashtable;
21import java.util.Map;
22
23import org.apache.harmony.javax.security.auth.callback.CallbackHandler;
24import org.apache.harmony.javax.security.sasl.SaslClient;
25import org.apache.harmony.javax.security.sasl.SaslException;
26import org.apache.harmony.javax.security.sasl.SaslServer;
27import org.apache.harmony.javax.security.sasl.SaslServerFactory;
28
29public class Sasl {
30
31    // SaslClientFactory service name
32    private static final String CLIENTFACTORYSRV = "SaslClientFactory"; //$NON-NLS-1$
33
34    // SaslServerFactory service name
35    private static final String SERVERFACTORYSRV = "SaslServerFactory"; //$NON-NLS-1$
36
37    public static final String POLICY_NOPLAINTEXT = "javax.security.sasl.policy.noplaintext"; //$NON-NLS-1$
38
39    public static final String POLICY_NOACTIVE = "javax.security.sasl.policy.noactive"; //$NON-NLS-1$
40
41    public static final String POLICY_NODICTIONARY = "javax.security.sasl.policy.nodictionary"; //$NON-NLS-1$
42
43    public static final String POLICY_NOANONYMOUS = "javax.security.sasl.policy.noanonymous"; //$NON-NLS-1$
44
45    public static final String POLICY_FORWARD_SECRECY = "javax.security.sasl.policy.forward"; //$NON-NLS-1$
46
47    public static final String POLICY_PASS_CREDENTIALS = "javax.security.sasl.policy.credentials"; //$NON-NLS-1$
48
49    public static final String MAX_BUFFER = "javax.security.sasl.maxbuffer"; //$NON-NLS-1$
50
51    public static final String RAW_SEND_SIZE = "javax.security.sasl.rawsendsize"; //$NON-NLS-1$
52
53    public static final String REUSE = "javax.security.sasl.reuse"; //$NON-NLS-1$
54
55    public static final String QOP = "javax.security.sasl.qop"; //$NON-NLS-1$
56
57    public static final String STRENGTH = "javax.security.sasl.strength"; //$NON-NLS-1$
58
59    public static final String SERVER_AUTH = "javax.security.sasl.server.authentication"; //$NON-NLS-1$
60
61    public static Enumeration<SaslClientFactory> getSaslClientFactories() {
62        Hashtable<SaslClientFactory,Object> factories = new Hashtable<SaslClientFactory,Object>();
63        factories.put(new SaslClientFactory(), new Object());
64        return factories.keys();
65    }
66
67    public static Enumeration<SaslServerFactory> getSaslServerFactories() {
68        return org.apache.harmony.javax.security.sasl.Sasl.getSaslServerFactories();
69    }
70
71    public static SaslServer createSaslServer(String mechanism, String protocol,
72            String serverName, Map<String, ?> prop, CallbackHandler cbh) throws SaslException {
73        return org.apache.harmony.javax.security.sasl.Sasl.createSaslServer(mechanism, protocol, serverName, prop, cbh);
74    }
75
76    public static SaslClient createSaslClient(String[] mechanisms, String authanticationID,
77            String protocol, String serverName, Map<String, ?> prop, CallbackHandler cbh)
78            throws SaslException {
79        if (mechanisms == null) {
80            throw new NullPointerException("auth.33"); //$NON-NLS-1$
81        }
82        SaslClientFactory fact = getSaslClientFactories().nextElement();
83        String[] mech = fact.getMechanismNames(null);
84        boolean is = false;
85        if (mech != null) {
86            for (int j = 0; j < mech.length; j++) {
87                for (int n = 0; n < mechanisms.length; n++) {
88                    if (mech[j].equals(mechanisms[n])) {
89                        is = true;
90                        break;
91                    }
92                }
93            }
94        }
95        if (is) {
96            return fact.createSaslClient(
97                mechanisms,
98                authanticationID,
99                protocol,
100                serverName,
101                prop,
102                cbh
103            );
104        }
105        return null;
106    }
107
108}
109