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//-----------------------------------------------------------------------
// <copyright file="AssociateSuccessfulResponse.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenId.Messages {
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Text;
using DotNetOpenAuth.Messaging;
/// <summary>
/// The base class that all successful association response messages derive from.
/// </summary>
/// <remarks>
/// Association response messages are described in OpenID 2.0 section 8.2. This type covers section 8.2.1.
/// </remarks>
[DebuggerDisplay("OpenID {Version} associate response {AssociationHandle} {AssociationType} {SessionType}")]
[ContractClass(typeof(AssociateSuccessfulResponseContract))]
internal abstract class AssociateSuccessfulResponse : DirectResponseBase {
/// <summary>
/// Initializes a new instance of the <see cref="AssociateSuccessfulResponse"/> class.
/// </summary>
/// <param name="responseVersion">The OpenID version of the response message.</param>
/// <param name="originatingRequest">The originating request.</param>
internal AssociateSuccessfulResponse(Version responseVersion, AssociateRequest originatingRequest)
: base(responseVersion, originatingRequest) {
}
/// <summary>
/// Gets or sets the association handle is used as a key to refer to this association in subsequent messages.
/// </summary>
/// <value>A string 255 characters or less in length. It MUST consist only of ASCII characters in the range 33-126 inclusive (printable non-whitespace characters). </value>
[MessagePart("assoc_handle", IsRequired = true, AllowEmpty = false)]
internal string AssociationHandle { get; set; }
/// <summary>
/// Gets or sets the preferred association type. The association type defines the algorithm to be used to sign subsequent messages.
/// </summary>
/// <value>Value: A valid association type from Section 8.3.</value>
[MessagePart("assoc_type", IsRequired = true, AllowEmpty = false)]
internal string AssociationType { get; set; }
/// <summary>
/// Gets or sets the value of the "openid.session_type" parameter from the request.
/// If the OP is unwilling or unable to support this association type, it MUST return an
/// unsuccessful response (Unsuccessful Response Parameters).
/// </summary>
/// <value>Value: A valid association session type from Section 8.4 (Association Session Types). </value>
/// <remarks>Note: Unless using transport layer encryption, "no-encryption" MUST NOT be used. </remarks>
[MessagePart("session_type", IsRequired = false, AllowEmpty = true)]
[MessagePart("session_type", IsRequired = true, AllowEmpty = false, MinVersion = "2.0")]
internal string SessionType { get; set; }
/// <summary>
/// Gets or sets the lifetime, in seconds, of this association. The Relying Party MUST NOT use the association after this time has passed.
/// </summary>
/// <value>An integer, represented in base 10 ASCII. </value>
[MessagePart("expires_in", IsRequired = true)]
internal long ExpiresIn { get; set; }
/// <summary>
/// Checks the message state for conformity to the protocol specification
/// and throws an exception if the message is invalid.
/// </summary>
/// <remarks>
/// <para>Some messages have required fields, or combinations of fields that must relate to each other
/// in specialized ways. After deserializing a message, this method checks the state of the
/// message to see if it conforms to the protocol.</para>
/// <para>Note that this property should <i>not</i> check signatures or perform any state checks
/// outside this scope of this particular message.</para>
/// </remarks>
/// <exception cref="ProtocolException">Thrown if the message is invalid.</exception>
public override void EnsureValidMessage() {
base.EnsureValidMessage();
if (this.Version.Major < 2) {
ErrorUtilities.VerifyProtocol(
string.IsNullOrEmpty(this.SessionType) || string.Equals(this.SessionType, this.Protocol.Args.SessionType.DH_SHA1, StringComparison.Ordinal),
MessagingStrings.UnexpectedMessagePartValueForConstant,
GetType().Name,
Protocol.openid.session_type,
this.Protocol.Args.SessionType.DH_SHA1,
this.SessionType);
}
}
}
}
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