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using System;
using System.Collections.Generic;
using System.Text;
using DotNetOpenId.RelyingParty;
using System.Globalization;
namespace DotNetOpenId.Extensions.AttributeExchange {
/// <summary>
/// The Attribute Exchange Store message, request leg.
/// </summary>
public sealed class StoreRequest : IExtensionRequest {
readonly string Mode = "store_request";
List<AttributeValues> attributesProvided = new List<AttributeValues>();
/// <summary>
/// Lists all the attributes that are included in the store request.
/// </summary>
public IEnumerable<AttributeValues> Attributes {
get { return attributesProvided; }
}
/// <summary>
/// Used by the Relying Party to add a given attribute with one or more values
/// to the request for storage.
/// </summary>
public void AddAttribute(AttributeValues attribute) {
if (attribute == null) throw new ArgumentNullException("attribute");
if (containsAttribute(attribute.TypeUri)) throw new ArgumentException(
string.Format(CultureInfo.CurrentCulture, Strings.AttributeAlreadyAdded, attribute.TypeUri));
attributesProvided.Add(attribute);
}
/// <summary>
/// Used by the Relying Party to add a given attribute with one or more values
/// to the request for storage.
/// </summary>
public void AddAttribute(string typeUri, params string[] values) {
AddAttribute(new AttributeValues(typeUri, values));
}
/// <summary>
/// Used by the Provider to gets the value(s) associated with a given attribute
/// that should be stored.
/// </summary>
public AttributeValues GetAttribute(string attributeTypeUri) {
foreach (var att in attributesProvided) {
if (att.TypeUri == attributeTypeUri)
return att;
}
return null;
}
bool containsAttribute(string typeUri) {
return GetAttribute(typeUri) != null;
}
#region IExtensionRequest Members
string IExtension.TypeUri { get { return Constants.TypeUri; } }
IEnumerable<string> IExtension.AdditionalSupportedTypeUris {
get { return new string[0]; }
}
IDictionary<string, string> IExtensionRequest.Serialize(RelyingParty.IAuthenticationRequest authenticationRequest) {
var fields = new Dictionary<string, string> {
{ "mode", Mode },
};
FetchResponse.SerializeAttributes(fields, attributesProvided);
return fields;
}
bool IExtensionRequest.Deserialize(IDictionary<string, string> fields, DotNetOpenId.Provider.IRequest request, string typeUri) {
if (fields == null) return false;
string mode;
fields.TryGetValue("mode", out mode);
if (mode != Mode) return false;
foreach (var att in FetchResponse.DeserializeAttributes(fields))
AddAttribute(att);
return true;
}
#endregion
}
}
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