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/*
* 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.
*/
namespace Apache.Qpid.Channel
{
using System;
using System.Net;
using System.Net.Sockets;
using System.ServiceModel;
using System.ServiceModel.Channels;
using System.ServiceModel.Description;
using System.Globalization;
using Apache.Qpid.AmqpTypes;
/// <summary>
/// Collection of constants used by the Amqp Channel classes
/// </summary>
static class AmqpConstants
{
internal const string Scheme = "amqp";
internal const string AmqpBindingSectionName = "system.serviceModel/bindings/amqpBinding";
internal const string AmqpBinaryBindingSectionName = "system.serviceModel/bindings/amqpBinaryBinding";
internal const string AmqpTransportSectionName = "amqpTransport";
}
static class AmqpConfigurationStrings
{
public const string BrokerHost = "host";
public const string BrokerPort = "port";
public const string TransferMode = "transferMode";
public const string Brokers = "brokers";
public const string Shared = "shared";
public const string PrefetchLimit = "prefetchLimit";
public const string MaxBufferPoolSize = "maxBufferPoolSize";
public const string MaxReceivedMessageSize = "maxReceivedMessageSize";
public const string Security = "security";
public const string SecurityMode = "mode";
public const string SecurityTransport = "transport";
public const string SecurityTransportCredentialType = "credentialType";
public const string SecurityTransportUseSSL = "useSSL";
public const string SecurityTransportDefaultCredential = "defaultCredential";
public const string SecurityTransportIgnoreEndpointCredentials = "ignoreEndpointCredentials";
public const string CredentialUserName = "userName";
public const string CredentialPassword = "password";
}
static class AmqpDefaults
{
internal const string BrokerHost = "localhost";
internal const int BrokerPort = 5672;
internal const TransferMode TransferMode = System.ServiceModel.TransferMode.Buffered;
internal const long MaxBufferPoolSize = 64 * 1024;
internal const int MaxReceivedMessageSize = 5 * 1024 * 1024; //64 * 1024;
}
// parking spot for properties that may be shared by separate channels on a single AMQP connection
internal class AmqpChannelProperties
{
string brokerHost;
int brokerPort;
TransferMode transferMode;
AmqpProperties defaultMessageProperties;
AmqpSecurityMode amqpSecurityMode;
AmqpTransportSecurity amqpTransportSecurity;
AmqpCredential amqpCredential;
long maxBufferPoolSize;
int maxReceivedMessageSize;
internal AmqpChannelProperties()
{
this.brokerHost = AmqpDefaults.BrokerHost;
this.brokerPort = AmqpDefaults.BrokerPort;
this.transferMode = AmqpDefaults.TransferMode;
this.defaultMessageProperties = null;
this.amqpSecurityMode = AmqpSecurityMode.None;
this.amqpTransportSecurity = null;
this.amqpCredential = null;
this.maxBufferPoolSize = AmqpDefaults.MaxBufferPoolSize;
this.maxReceivedMessageSize = AmqpDefaults.MaxReceivedMessageSize;
}
public AmqpChannelProperties Clone()
{
AmqpChannelProperties props = (AmqpChannelProperties) this.MemberwiseClone();
if (this.defaultMessageProperties != null)
{
props.defaultMessageProperties = this.defaultMessageProperties.Clone();
}
if (this.amqpTransportSecurity != null)
{
props.amqpTransportSecurity = this.amqpTransportSecurity.Clone();
}
if (this.amqpCredential != null)
{
this.amqpCredential = this.amqpCredential.Clone();
}
return props;
}
internal string BrokerHost
{
get { return this.brokerHost; }
set { this.brokerHost = value; }
}
internal int BrokerPort
{
get { return this.brokerPort; }
set { this.brokerPort = value; }
}
internal TransferMode TransferMode
{
get { return this.transferMode; }
set { this.transferMode = value; }
}
internal AmqpProperties DefaultMessageProperties
{
get { return this.defaultMessageProperties; }
set { this.defaultMessageProperties = value; }
}
internal AmqpSecurityMode AmqpSecurityMode
{
get { return this.amqpSecurityMode; }
set { this.amqpSecurityMode = value; }
}
internal AmqpTransportSecurity AmqpTransportSecurity
{
get { return this.amqpTransportSecurity; }
set { this.amqpTransportSecurity = value; }
}
internal AmqpCredential AmqpCredential
{
get { return this.amqpCredential; }
set { this.amqpCredential = value; }
}
internal long MaxBufferPoolSize
{
get { return this.maxBufferPoolSize; }
set { this.maxBufferPoolSize = value; }
}
internal int MaxReceivedMessageSize
{
get { return this.maxReceivedMessageSize; }
set { this.maxReceivedMessageSize = value; }
}
}
static class AmqpChannelHelpers
{
internal static void ValidateTimeout(TimeSpan timeout)
{
if (timeout < TimeSpan.Zero)
{
throw new ArgumentOutOfRangeException("timeout", timeout, "Timeout must be greater than or equal to TimeSpan.Zero. To disable timeout, specify TimeSpan.MaxValue.");
}
}
internal static void FindAuthenticationCredentials(AmqpChannelProperties channelProperties,
BindingContext bindingContext)
{
AmqpTransportSecurity tsec = channelProperties.AmqpTransportSecurity;
if (tsec == null)
{
// no auth
return;
}
if (tsec.CredentialType == AmqpCredentialType.Anonymous)
{
// no auth
return;
}
// credentials search order: specific AmqpCredentials, specific
// ClientCredentials (if applicable), binding's default credentials
AmqpCredential amqpCred = bindingContext.BindingParameters.Find<AmqpCredential>();
if (amqpCred != null)
{
channelProperties.AmqpCredential = amqpCred.Clone();
return;
}
if (!tsec.IgnoreEndpointClientCredentials)
{
ClientCredentials cliCred = bindingContext.BindingParameters.Find<ClientCredentials>();
if (cliCred != null)
{
if (cliCred.UserName != null)
{
if (cliCred.UserName.UserName != null)
{
channelProperties.AmqpCredential = new AmqpCredential(cliCred.UserName.UserName,
cliCred.UserName.Password);
return;
}
}
}
}
if (tsec.DefaultCredential != null)
{
channelProperties.AmqpCredential = tsec.DefaultCredential.Clone();
}
}
}
}
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