| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| |
| using System; |
| using System.Collections; |
| |
| using Apache.Qpid.Sasl.Mechanisms; |
| |
| namespace Apache.Qpid.Sasl |
| { |
| public class DefaultClientFactory : ISaslClientFactory |
| { |
| private static readonly string[] SUPPORTED = new string[] { |
| DigestSaslClient.Mechanism, |
| CramMD5SaslClient.Mechanism, |
| CramMD5HexSaslClient.Mechanism, |
| PlainSaslClient.Mechanism, |
| AnonymousSaslClient.Mechanism, |
| ExternalSaslClient.Mechanism, |
| }; |
| |
| public string[] GetSupportedMechanisms(IDictionary props) |
| { |
| if ( props == null ) |
| throw new ArgumentNullException("props"); |
| |
| ArrayList vetoed = new ArrayList(); |
| |
| if ( props.Contains(SaslProperties.PolicyNoPlainText) || |
| props.Contains(SaslProperties.PolicyNoDictionary) || |
| props.Contains(SaslProperties.PolicyNoActive) || |
| props.Contains(SaslProperties.PolicyForwardSecrecy) || |
| props.Contains(SaslProperties.PolicyPassCredentials) ) |
| { |
| vetoed.Add(CramMD5SaslClient.Mechanism); |
| vetoed.Add(CramMD5HexSaslClient.Mechanism); |
| vetoed.Add(PlainSaslClient.Mechanism); |
| vetoed.Add(AnonymousSaslClient.Mechanism); |
| vetoed.Add(ExternalSaslClient.Mechanism); |
| } |
| if ( props.Contains(SaslProperties.PolicyNoAnonymous) ) |
| { |
| vetoed.Add(AnonymousSaslClient.Mechanism); |
| } |
| |
| ArrayList available = new ArrayList(); |
| foreach ( string mech in SUPPORTED ) |
| { |
| if ( !vetoed.Contains(mech) ) |
| available.Add(mech); |
| } |
| return (string[])available.ToArray(typeof(string)); |
| } |
| |
| public ISaslClient CreateClient( |
| string[] mechanisms, string authorizationId, |
| string protocol, string serverName, |
| IDictionary props, ISaslCallbackHandler handler |
| ) |
| { |
| IList mechs = mechanisms; |
| if ( mechs.Contains(ExternalSaslClient.Mechanism) ) |
| return new ExternalSaslClient(authorizationId, props, handler); |
| if ( mechs.Contains(DigestSaslClient.Mechanism) ) |
| return new DigestSaslClient(authorizationId, serverName, protocol, props, handler); |
| if ( mechs.Contains(CramMD5SaslClient.Mechanism) ) |
| return new CramMD5SaslClient(authorizationId, props, handler); |
| if ( mechs.Contains(CramMD5HexSaslClient.Mechanism) ) |
| return new CramMD5HexSaslClient(authorizationId, props, handler); |
| if ( mechs.Contains(PlainSaslClient.Mechanism) ) |
| return new PlainSaslClient(authorizationId, props, handler); |
| if ( mechs.Contains(AnonymousSaslClient.Mechanism) ) |
| return new AnonymousSaslClient(authorizationId, props, handler); |
| // unknown mechanism |
| return null; |
| } |
| } // class DefaultClientFactory |
| |
| } // namespace Apache.Qpid.Sasl |
| |
| |