From 338dc70a0e17bb6a557862c41f9106b955fdc0b9 Mon Sep 17 00:00:00 2001
From: Andrew Arnott <andrewarnott@gmail.com>
Date: Mon, 21 Jan 2008 05:50:43 +0000
Subject: [PATCH] OpenIdTextBox now catches some failure exceptions and fires
 the Error event as appropriate.  Fixes issue 19.

git-svn-id: https://dotnetopenid.googlecode.com/svn/trunk@78 01efa1a6-402a-0410-b0ae-47b76eba00f0
---
 .../login.aspx.cs                             |  7 +-
 .../Janrain.OpenId/Consumer/OpenIdTextBox.cs  | 65 ++++++++++---------
 2 files changed, 39 insertions(+), 33 deletions(-)

diff --git a/source/JanRain.OpenID.ConsumerPortal/login.aspx.cs b/source/JanRain.OpenID.ConsumerPortal/login.aspx.cs
index 6cff0c28e6..117961bffd 100644
--- a/source/JanRain.OpenID.ConsumerPortal/login.aspx.cs
+++ b/source/JanRain.OpenID.ConsumerPortal/login.aspx.cs
@@ -15,8 +15,6 @@
 
 public partial class login : System.Web.UI.Page
 {
-
-    
     /// <summary>
     /// Handles the Load event of the Page control.
     /// </summary>
@@ -34,12 +32,13 @@ protected void Page_Load(object sender, EventArgs e)
     /// <param name="sender"></param>
     /// <param name="e"></param>
     protected void OpenIdLogin1_LoggedIn(object sender, NerdBank.OpenId.Consumer.OpenIdTextBox.OpenIdEventArgs e)
-    {        
-        State.ProfileFields = e.ProfileFields;       
+    {
+        State.ProfileFields = e.ProfileFields;
     }
     protected void OpenIdLogin1_Error(object sender, NerdBank.OpenId.Consumer.OpenIdTextBox.ErrorEventArgs e)
     {
         loginFailedLabel.Visible = true;
+        loginFailedLabel.Text += ": " + e.ErrorMessage;
     }
     protected void OpenIdLogin1_Canceled(object sender, NerdBank.OpenId.Consumer.OpenIdTextBox.ErrorEventArgs e)
     {
diff --git a/source/Janrain.OpenId/Consumer/OpenIdTextBox.cs b/source/Janrain.OpenId/Consumer/OpenIdTextBox.cs
index bc2ee777f2..176ae1db69 100644
--- a/source/Janrain.OpenId/Consumer/OpenIdTextBox.cs
+++ b/source/Janrain.OpenId/Consumer/OpenIdTextBox.cs
@@ -24,6 +24,7 @@
 using Janrain.OpenId.Session;
 using Janrain.OpenId.RegistrationExtension;
 using Janrain.OpenId.Store;
+using System.Net;
 
 namespace NerdBank.OpenId.RegistrationExtension
 {
@@ -336,37 +337,43 @@ public void Login()
 			if (string.IsNullOrEmpty(Text))
 				throw new InvalidOperationException(Janrain.OpenId.Strings.OpenIdTextBoxEmpty);
 
-			Janrain.OpenId.Consumer.Consumer consumer =
-				new Janrain.OpenId.Consumer.Consumer(new SystemHttpSessionState(Page.Session), MemoryStore.GetInstance());
-
-			Uri userUri = UriUtil.NormalizeUri(Text);
-			// Initiate openid request
-			AuthRequest request = consumer.Begin(userUri);
-			if (EnableRequestProfile) addProfileArgs(request);
-
-			// Build the trust root
-			UriBuilder builder = new UriBuilder(Page.Request.Url.AbsoluteUri);
-			builder.Query = null;
-			builder.Password = null;
-			builder.UserName = null;
-			builder.Fragment = null;
-			builder.Path = Page.Request.ApplicationPath;
-			string trustRoot = builder.Uri.ToString();
-
-			// Build the return_to URL
-			UriBuilder return_to = new UriBuilder(Page.Request.Url);
-			// Trim off any old "openid." prefixed parameters to avoid carrying
-			// state from a prior login attempt.
-			return_to.Query = string.Empty;
-			NameValueCollection return_to_params = new NameValueCollection(Page.Request.QueryString.Count);
-			foreach (string key in Page.Request.QueryString) {
-				if (!key.StartsWith(QueryStringArgs.openid.Prefix) && key != QueryStringArgs.nonce) {
-					return_to_params.Add(key, Page.Request.QueryString[key]);
+			try {
+				Janrain.OpenId.Consumer.Consumer consumer =
+					new Janrain.OpenId.Consumer.Consumer(new SystemHttpSessionState(Page.Session), MemoryStore.GetInstance());
+
+				Uri userUri = UriUtil.NormalizeUri(Text);
+				// Initiate openid request
+				AuthRequest request = consumer.Begin(userUri);
+				if (EnableRequestProfile) addProfileArgs(request);
+
+				// Build the trust root
+				UriBuilder builder = new UriBuilder(Page.Request.Url.AbsoluteUri);
+				builder.Query = null;
+				builder.Password = null;
+				builder.UserName = null;
+				builder.Fragment = null;
+				builder.Path = Page.Request.ApplicationPath;
+				string trustRoot = builder.Uri.ToString();
+
+				// Build the return_to URL
+				UriBuilder return_to = new UriBuilder(Page.Request.Url);
+				// Trim off any old "openid." prefixed parameters to avoid carrying
+				// state from a prior login attempt.
+				return_to.Query = string.Empty;
+				NameValueCollection return_to_params = new NameValueCollection(Page.Request.QueryString.Count);
+				foreach (string key in Page.Request.QueryString) {
+					if (!key.StartsWith(QueryStringArgs.openid.Prefix) && key != QueryStringArgs.nonce) {
+						return_to_params.Add(key, Page.Request.QueryString[key]);
+					}
 				}
+				UriUtil.AppendQueryArgs(return_to, return_to_params);
+				Uri redirectUrl = request.CreateRedirect(trustRoot, return_to.Uri, AuthRequest.Mode.SETUP);
+				Page.Response.Redirect(redirectUrl.AbsoluteUri);
+			} catch (WebException ex) {
+				OnError(ex);
+			} catch (FailureException ex) {
+				OnError(ex);
 			}
-			UriUtil.AppendQueryArgs(return_to, return_to_params);
-			Uri redirectUrl = request.CreateRedirect(trustRoot, return_to.Uri, AuthRequest.Mode.SETUP);
-			Page.Response.Redirect(redirectUrl.AbsoluteUri);
 		}
 
 		void addProfileArgs(AuthRequest request)