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//-----------------------------------------------------------------------
// <copyright file="YammerConsumer.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.ApplicationBlock {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OAuth;
using DotNetOpenAuth.OAuth.ChannelElements;
using DotNetOpenAuth.OAuth.Messages;
public static class YammerConsumer {
/// <summary>
/// The Consumer to use for accessing Google data APIs.
/// </summary>
public static readonly ServiceProviderDescription ServiceDescription = new ServiceProviderDescription {
RequestTokenEndpoint = new MessageReceivingEndpoint("https://www.yammer.com/oauth/request_token", HttpDeliveryMethods.AuthorizationHeaderRequest | HttpDeliveryMethods.PostRequest),
UserAuthorizationEndpoint = new MessageReceivingEndpoint("https://www.yammer.com/oauth/authorize", HttpDeliveryMethods.AuthorizationHeaderRequest | HttpDeliveryMethods.GetRequest),
AccessTokenEndpoint = new MessageReceivingEndpoint("https://www.yammer.com/oauth/access_token", HttpDeliveryMethods.AuthorizationHeaderRequest | HttpDeliveryMethods.PostRequest),
TamperProtectionElements = new ITamperProtectionChannelBindingElement[] { new PlaintextSigningBindingElement() },
ProtocolVersion = ProtocolVersion.V10,
};
public static DesktopConsumer CreateConsumer(IConsumerTokenManager tokenManager) {
return new DesktopConsumer(ServiceDescription, tokenManager);
}
public static Uri PrepareRequestAuthorization(DesktopConsumer consumer, out string requestToken) {
if (consumer == null) {
throw new ArgumentNullException("consumer");
}
Uri authorizationUrl = consumer.RequestUserAuthorization(null, null, out requestToken);
return authorizationUrl;
}
public static AuthorizedTokenResponse CompleteAuthorization(DesktopConsumer consumer, string requestToken, string userCode) {
// Because Yammer has a proprietary callback_token parameter, and it's passed
// with the message that specifically bans extra arguments being passed, we have
// to cheat by adding the data to the URL itself here.
var customServiceDescription = new ServiceProviderDescription {
RequestTokenEndpoint = ServiceDescription.RequestTokenEndpoint,
UserAuthorizationEndpoint = ServiceDescription.UserAuthorizationEndpoint,
AccessTokenEndpoint = new MessageReceivingEndpoint(ServiceDescription.AccessTokenEndpoint.Location.AbsoluteUri + "?oauth_verifier=" + Uri.EscapeDataString(userCode), HttpDeliveryMethods.AuthorizationHeaderRequest | HttpDeliveryMethods.PostRequest),
TamperProtectionElements = ServiceDescription.TamperProtectionElements,
ProtocolVersion = ProtocolVersion.V10,
};
// To use a custom service description we also must create a new WebConsumer.
var customConsumer = new DesktopConsumer(customServiceDescription, consumer.TokenManager);
var response = customConsumer.ProcessUserAuthorization(requestToken, userCode);
return response;
}
}
}
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