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author | Robert Godfrey <rgodfrey@apache.org> | 2011-08-14 16:21:34 +0000 |
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committer | Robert Godfrey <rgodfrey@apache.org> | 2011-08-14 16:21:34 +0000 |
commit | d84a3a50dbb794c4383de7e5eca730ca602771e7 (patch) | |
tree | 7c6177573a2eedc172de2cbd8354ce7b4ea1e8fe /qpid/dotnet/Qpid.Client/Client/Handler/ConnectionStartMethodHandler.cs | |
parent | 0aba202a7e2483f04fc77bbe4faa88bb86fe5b9b (diff) | |
parent | 47551f3aa2dd46b8daeeb9683a668464203ffa06 (diff) | |
download | qpid-python-d84a3a50dbb794c4383de7e5eca730ca602771e7.tar.gz |
Create sandbox from correct revision
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rg-amqp-1-0-sandbox@1157557 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'qpid/dotnet/Qpid.Client/Client/Handler/ConnectionStartMethodHandler.cs')
-rw-r--r-- | qpid/dotnet/Qpid.Client/Client/Handler/ConnectionStartMethodHandler.cs | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/qpid/dotnet/Qpid.Client/Client/Handler/ConnectionStartMethodHandler.cs b/qpid/dotnet/Qpid.Client/Client/Handler/ConnectionStartMethodHandler.cs new file mode 100644 index 0000000000..c54662286b --- /dev/null +++ b/qpid/dotnet/Qpid.Client/Client/Handler/ConnectionStartMethodHandler.cs @@ -0,0 +1,144 @@ +/* + * + * 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 System.Text; +using log4net; +using Apache.Qpid.Client.Protocol; +using Apache.Qpid.Client.Security; +using Apache.Qpid.Client.State; +using Apache.Qpid.Framing; +using Apache.Qpid.Sasl; + + +namespace Apache.Qpid.Client.Handler +{ + public class ConnectionStartMethodHandler : IStateAwareMethodListener + { + private static readonly ILog _log = LogManager.GetLogger(typeof(ConnectionStartMethodHandler)); + + public void MethodReceived(AMQStateManager stateManager, AMQMethodEvent evt) + { + ConnectionStartBody body = (ConnectionStartBody) evt.Method; + AMQProtocolSession ps = evt.ProtocolSession; + + try + { + if ( body.Mechanisms == null ) + { + throw new AMQException("mechanism not specified in ConnectionStart method frame"); + } + string mechanisms = Encoding.UTF8.GetString(body.Mechanisms); + string selectedMechanism = ChooseMechanism(mechanisms); + if ( selectedMechanism == null ) + { + throw new AMQException("No supported security mechanism found, passed: " + mechanisms); + } + + byte[] saslResponse = DoAuthentication(selectedMechanism, ps); + + if (body.Locales == null) + { + throw new AMQException("Locales is not defined in Connection Start method"); + } + string allLocales = Encoding.ASCII.GetString(body.Locales); + string[] locales = allLocales.Split(' '); + string selectedLocale; + if (locales != null && locales.Length > 0) + { + selectedLocale = locales[0]; + } + else + { + throw new AMQException("No locales sent from server, passed: " + locales); + } + + stateManager.ChangeState(AMQState.CONNECTION_NOT_TUNED); + FieldTable clientProperties = new FieldTable(); + clientProperties["product"] = "Apache.Qpid.NET"; + clientProperties["version"] = "1.0"; + clientProperties["platform"] = GetFullSystemInfo(); + clientProperties["instance"] = ps.ClientID; + AMQFrame frame = ConnectionStartOkBody.CreateAMQFrame( + evt.ChannelId, clientProperties, selectedMechanism, + saslResponse, selectedLocale); + ps.WriteFrame(frame); + } + catch (Exception e) + { + throw new AMQException(_log, "Unable to decode data: " + e, e); + } + } + + private string GetFullSystemInfo() + { + StringBuilder sysInfo = new StringBuilder(); + // check if we're running on mono or .net + Type monoRuntime = Type.GetType("Mono.Runtime"); + if ( monoRuntime != null ) + sysInfo.Append("Mono"); + else + sysInfo.Append(".NET"); + sysInfo.Append(" ").Append(Environment.Version); + sysInfo.Append(", ").Append(Environment.OSVersion); + return sysInfo.ToString(); + } + + private string ChooseMechanism(string mechanisms) + { + return CallbackHandlerRegistry.Instance.ChooseMechanism(mechanisms); + } + + private byte[] DoAuthentication(string selectedMechanism, AMQProtocolSession ps) + { + ISaslClient saslClient = Sasl.Sasl.CreateClient( + new string[] { selectedMechanism }, null, "AMQP", "localhost", + new Hashtable(), CreateCallbackHandler(selectedMechanism, ps) + ); + if ( saslClient == null ) + { + throw new AMQException("Client SASL configuration error: no SaslClient could be created for mechanism " + + selectedMechanism); + } + ps.SaslClient = saslClient; + try + { + return saslClient.HasInitialResponse ? + saslClient.EvaluateChallenge(new byte[0]) : null; + } catch ( Exception ex ) + { + ps.SaslClient = null; + throw new AMQException("Unable to create SASL client", ex); + } + } + + private IAMQCallbackHandler CreateCallbackHandler(string mechanism, AMQProtocolSession session) + { + Type type = CallbackHandlerRegistry.Instance.GetCallbackHandler(mechanism); + IAMQCallbackHandler handler = + (IAMQCallbackHandler)Activator.CreateInstance(type); + if ( handler == null ) + throw new AMQException("Unable to create callback handler: " + mechanism); + handler.Initialize(session); + return handler; + } + } +} |