node-openid attribute exchange parameters patch

0001-Use-attribute-exchange-params-to-fetch-extended-attr.patch

From 354bd25fc63584c138d40bbf474c4a488f05bdc1 Mon Sep 17 00:00:00 2001
From: Ryan Probasco <ryan@bitdrift.org>
Date: Tue, 11 Jan 2011 14:58:44 -0700
Subject: [PATCH] Use attribute exchange params to fetch extended attributes during authentication

---
 openid.js |   26 +++++++++++++++++++++++---
 1 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/openid.js b/openid.js
index 5fac024..f9753bb 100644
--- a/openid.js
+++ b/openid.js
@@ -623,7 +623,7 @@ function _generateAssociationRequestParameters(version, algorithm)
   return params;
 }
 
-openid.authenticate = function(identifier, returnUrl, realm, immediate, callback)
+openid.authenticate = function(identifier, returnUrl, realm, immediate, ax, callback)
 {
   openid.discover(identifier, function(providers, version)
   {
@@ -643,13 +643,13 @@ openid.authenticate = function(identifier, returnUrl, realm, immediate, callback
           return console.log(answer);
         }
         
-        _requestAuthentication(provider, answer.assoc_handle, returnUrl, realm, immediate, callback);
+        _requestAuthentication(provider, answer.assoc_handle, returnUrl, realm, immediate, ax, callback);
       });
     }
   });
 }
 
-function _requestAuthentication(provider, assoc_handle, returnUrl, realm, immediate, callback)
+function _requestAuthentication(provider, assoc_handle, returnUrl, realm, immediate, ax, callback)
 {
   var params = {
     'openid.mode' : immediate ? 'checkid_immediate' : 'checkid_setup'
@@ -704,6 +704,26 @@ function _requestAuthentication(provider, assoc_handle, returnUrl, realm, immedi
     throw new Error("No return URL or realm specified");
   }
 
+  // Attribute exchange parameters
+  if(ax)
+  {
+    params["openid.ns.ax"] = "http://openid.net/srv/ax/1.0";
+    params["openid.ax.mode"] = "fetch_request";
+
+    var types = ["required", "if_available"];
+    for(var i in types)
+    {
+      var items = [];
+      for(var name in ax[types[i]])
+      {
+        params["openid.ax.type." + name] = ax[types[i]][name];
+        items.push(name);
+      }
+      if(items.length > 0)
+        params["openid.ax." + types[i]] = items.join(",");
+    }
+  }
+
   callback(_buildUrl(provider.endpoint, params));
 }
 
-- 
1.7.0.4