Added Yammer OAuth consumer sample.

(yuck, Yammer is so non-standard.)

7 files changed, 320 insertions, 0 deletions

diff --git a/samples/DotNetOpenAuth.ApplicationBlock/DotNetOpenAuth.ApplicationBlock.csproj b/samples/DotNetOpenAuth.ApplicationBlock/DotNetOpenAuth.ApplicationBlock.csproj
index 6739bf9..8a580e6 100644
--- a/samples/DotNetOpenAuth.ApplicationBlock/DotNetOpenAuth.ApplicationBlock.csproj
+++ b/samples/DotNetOpenAuth.ApplicationBlock/DotNetOpenAuth.ApplicationBlock.csproj
@@ -93,6 +93,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="TwitterConsumer.cs" />
     <Compile Include="Util.cs" />
+    <Compile Include="YammerConsumer.cs" />
     <Compile Include="YubikeyRelyingParty.cs" />
   </ItemGroup>
   <ItemGroup>
diff --git a/samples/DotNetOpenAuth.ApplicationBlock/YammerConsumer.cs b/samples/DotNetOpenAuth.ApplicationBlock/YammerConsumer.cs
new file mode 100644
index 0000000..1e4aeef
--- /dev/null
+++ b/samples/DotNetOpenAuth.ApplicationBlock/YammerConsumer.cs
@@ -0,0 +1,61 @@
+//-----------------------------------------------------------------------
+// <copyright file="YammerConsumer.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. 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;
+		}
+	}
+}
diff --git a/samples/OAuthConsumer/OAuthConsumer.csproj b/samples/OAuthConsumer/OAuthConsumer.csproj
index 8092ba2..1cdde47 100644
--- a/samples/OAuthConsumer/OAuthConsumer.csproj
+++ b/samples/OAuthConsumer/OAuthConsumer.csproj
@@ -62,6 +62,7 @@
     <Content Include="GoogleAddressBook.aspx" />
     <Content Include="images\Sign-in-with-Twitter-darker.png" />
     <Content Include="SampleWcf.aspx" />
+    <Content Include="Yammer.aspx" />
     <None Include="Service References\SampleServiceProvider\DataApi.disco" />
     <None Include="Service References\SampleServiceProvider\configuration91.svcinfo" />
     <None Include="Service References\SampleServiceProvider\configuration.svcinfo" />
@@ -130,6 +131,13 @@
     <Compile Include="Twitter.aspx.designer.cs">
       <DependentUpon>Twitter.aspx</DependentUpon>
     </Compile>
+    <Compile Include="Yammer.aspx.cs">
+      <DependentUpon>Yammer.aspx</DependentUpon>
+      <SubType>ASPXCodeBehind</SubType>
+    </Compile>
+    <Compile Include="Yammer.aspx.designer.cs">
+      <DependentUpon>Yammer.aspx</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <Folder Include="App_Data\" />
diff --git a/samples/OAuthConsumer/Web.config b/samples/OAuthConsumer/Web.config
index 7753874..2d8d817 100644
--- a/samples/OAuthConsumer/Web.config
+++ b/samples/OAuthConsumer/Web.config
@@ -50,6 +50,9 @@
 		<!-- Google sign-up: https://www.google.com/accounts/ManageDomains -->
 		<add key="googleConsumerKey" value="anonymous"/>
 		<add key="googleConsumerSecret" value="anonymous"/>
+		<!-- Yammer sign-up: https://www.yammer.com/client_applications/new -->
+		<add key="yammerConsumerKey" value=""/>
+		<add key="yammerConsumerSecret" value=""/>
 	</appSettings>
 	<connectionStrings/>
 
diff --git a/samples/OAuthConsumer/Yammer.aspx b/samples/OAuthConsumer/Yammer.aspx
new file mode 100644
index 0000000..90b61b8
--- /dev/null
+++ b/samples/OAuthConsumer/Yammer.aspx
@@ -0,0 +1,48 @@
+<%@ Page Language="C#" AutoEventWireup="true" MasterPageFile="~/MasterPage.master"
+	CodeBehind="Yammer.aspx.cs" Inherits="OAuthConsumer.Yammer" %>
+
+<asp:Content ID="Content2" ContentPlaceHolderID="Body" runat="Server">
+	<asp:MultiView ID="MultiView1" runat="server" ActiveViewIndex="0">
+		<asp:View ID="ClientRegistrationRequiredView" runat="server">
+			<h2>
+				Yammer setup</h2>
+			<p>
+				A Yammer client app must be registered.
+			</p>
+			<ol>
+				<li><a target="_blank" href="https://www.yammer.com/client_applications/new">Visit Yammer
+					and register a client app</a>. </li>
+				<li>Modify your web.config file to include your consumer key and consumer secret.
+				</li>
+			</ol>
+		</asp:View>
+		<asp:View ID="BeginAuthorizationView" runat="server">
+			<asp:Label Text="An error occurred in authorization.  You may try again." EnableViewState="false" Visible="false" ForeColor="Red" ID="authorizationErrorLabel" runat="server" />
+			<asp:Button Text="Obtain authorization now" runat="server" ID="obtainAuthorizationButton"
+				OnClick="obtainAuthorizationButton_Click" />
+		</asp:View>
+		<asp:View ID="CompleteAuthorizationView" runat="server">
+			After you have authorized Yammer to share your information, please enter the code
+			Yammer gives you here:
+			<asp:TextBox runat="server" ID="yammerUserCode" EnableViewState="false" />
+			<asp:RequiredFieldValidator ErrorMessage="*" ControlToValidate="yammerUserCode" runat="server" />
+			<asp:Button Text="Finish" runat="server" ID="finishAuthorizationButton" OnClick="finishAuthorizationButton_Click" />
+		</asp:View>
+		<asp:View ID="AuthorizationCompleteView" runat="server">
+			<h2>
+				Updates
+			</h2>
+			<p>The access token we have obtained is: 
+				<asp:Label ID="accessTokenLabel" runat="server" />
+			</p>
+			<p>
+				Ok, Yammer has authorized us to download your messages. Click &#39;Get messages&#39;
+				to download the latest few messages to this sample. Notice how we never asked you
+				for your Yammer username or password.
+			</p>
+			<asp:Button ID="getYammerMessagesButton" runat="server" OnClick="getYammerMessages_Click"
+				Text="Get address book" />
+			<asp:PlaceHolder ID="resultsPlaceholder" runat="server" />
+		</asp:View>
+	</asp:MultiView>
+</asp:Content>
diff --git a/samples/OAuthConsumer/Yammer.aspx.cs b/samples/OAuthConsumer/Yammer.aspx.cs
new file mode 100644
index 0000000..0c5b59e
--- /dev/null
+++ b/samples/OAuthConsumer/Yammer.aspx.cs
@@ -0,0 +1,76 @@
+namespace OAuthConsumer {
+	using System;
+	using System.Collections.Generic;
+	using System.Configuration;
+	using System.Linq;
+	using System.Web;
+	using System.Web.UI;
+	using System.Web.UI.WebControls;
+	using DotNetOpenAuth.ApplicationBlock;
+	using DotNetOpenAuth.Messaging;
+	using DotNetOpenAuth.OAuth;
+
+	public partial class Yammer : System.Web.UI.Page {
+		private string RequestToken {
+			get { return (string)ViewState["YammerRequestToken"]; }
+			set { ViewState["YammerRequestToken"] = value; }
+		}
+
+		private string AccessToken {
+			get { return (string)Session["YammerAccessToken"]; }
+			set { Session["YammerAccessToken"] = value; }
+		}
+
+		private InMemoryTokenManager TokenManager {
+			get {
+				var tokenManager = (InMemoryTokenManager)Application["YammerTokenManager"];
+				if (tokenManager == null) {
+					string consumerKey = ConfigurationManager.AppSettings["YammerConsumerKey"];
+					string consumerSecret = ConfigurationManager.AppSettings["YammerConsumerSecret"];
+					if (!string.IsNullOrEmpty(consumerKey)) {
+						tokenManager = new InMemoryTokenManager(consumerKey, consumerSecret);
+						Application["YammerTokenManager"] = tokenManager;
+					}
+				}
+
+				return tokenManager;
+			}
+		}
+
+		protected void Page_Load(object sender, EventArgs e) {
+			if (this.TokenManager != null) {
+				this.MultiView1.SetActiveView(BeginAuthorizationView);
+			}
+		}
+
+		protected void getYammerMessages_Click(object sender, EventArgs e) {
+			var yammer = new WebConsumer(YammerConsumer.ServiceDescription, this.TokenManager);
+		}
+
+		protected void obtainAuthorizationButton_Click(object sender, EventArgs e) {
+			var yammer = YammerConsumer.CreateConsumer(this.TokenManager);
+			string requestToken;
+			Uri popupWindowLocation = YammerConsumer.PrepareRequestAuthorization(yammer, out requestToken);
+			this.RequestToken = requestToken;
+			string javascript = "window.open('" + popupWindowLocation.AbsoluteUri + "');";
+			this.Page.ClientScript.RegisterStartupScript(GetType(), "YammerPopup", javascript, true);
+			MultiView1.SetActiveView(CompleteAuthorizationView);
+		}
+
+		protected void finishAuthorizationButton_Click(object sender, EventArgs e) {
+			if (!Page.IsValid) {
+				return;
+			}
+
+			var yammer = YammerConsumer.CreateConsumer(this.TokenManager);
+			var authorizationResponse = YammerConsumer.CompleteAuthorization(yammer, this.RequestToken, yammerUserCode.Text);
+			if (authorizationResponse != null) {
+				this.accessTokenLabel.Text = HttpUtility.HtmlEncode(authorizationResponse.AccessToken);
+				this.MultiView1.SetActiveView(this.AuthorizationCompleteView);
+			} else {
+				this.MultiView1.SetActiveView(this.BeginAuthorizationView);
+				this.authorizationErrorLabel.Visible = true;
+			}
+		}
+	}
+}
\ No newline at end of file
diff --git a/samples/OAuthConsumer/Yammer.aspx.designer.cs b/samples/OAuthConsumer/Yammer.aspx.designer.cs
new file mode 100644
index 0000000..57f6db5
--- /dev/null
+++ b/samples/OAuthConsumer/Yammer.aspx.designer.cs
@@ -0,0 +1,123 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated. 
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace OAuthConsumer {
+    
+    
+    public partial class Yammer {
+        
+        /// <summary>
+        /// MultiView1 control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.MultiView MultiView1;
+        
+        /// <summary>
+        /// ClientRegistrationRequiredView control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.View ClientRegistrationRequiredView;
+        
+        /// <summary>
+        /// BeginAuthorizationView control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.View BeginAuthorizationView;
+        
+        /// <summary>
+        /// authorizationErrorLabel control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Label authorizationErrorLabel;
+        
+        /// <summary>
+        /// obtainAuthorizationButton control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Button obtainAuthorizationButton;
+        
+        /// <summary>
+        /// CompleteAuthorizationView control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.View CompleteAuthorizationView;
+        
+        /// <summary>
+        /// yammerUserCode control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.TextBox yammerUserCode;
+        
+        /// <summary>
+        /// finishAuthorizationButton control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Button finishAuthorizationButton;
+        
+        /// <summary>
+        /// AuthorizationCompleteView control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.View AuthorizationCompleteView;
+        
+        /// <summary>
+        /// accessTokenLabel control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Label accessTokenLabel;
+        
+        /// <summary>
+        /// getYammerMessagesButton control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.Button getYammerMessagesButton;
+        
+        /// <summary>
+        /// resultsPlaceholder control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::System.Web.UI.WebControls.PlaceHolder resultsPlaceholder;
+    }
+}