From 7e28539aada66fc5ff6bb090872cec9ff622384b Mon Sep 17 00:00:00 2001
From: Stef Walter <stef@memberwebs.com>
Date: Thu, 11 Feb 2010 18:49:02 +0000
Subject: Log errors returned from identity provider to log.

---
 module/consumer.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/module/consumer.cc b/module/consumer.cc
index 3d1686c..24eea88 100644
--- a/module/consumer.cc
+++ b/module/consumer.cc
@@ -597,6 +597,18 @@ cancelled_auth (sid_request_t *req, Consumer &consumer, params_t &params, const
 	                          "<p><a href='", return_to.c_str(), "'>Retry login</a></p>", NULL);
 }
 
+static void
+failed_auth (sid_request_t *req, Consumer &consumer, params_t &params, const string& return_to)
+{
+	string error;
+
+	if (params.has_param("error"))
+		error = params.get_param("error");
+
+	sid_request_respond_headers (req, 500, "OpenID Authenticatior Error", NULL);
+	sid_request_log_error (req, "error from openid provider", error.c_str());
+}
+
 extern "C" void
 sid_consumer_authenticate(sid_request_t *req, sid_storage_t *store,
                           const char *trust_root, const char *identity,
@@ -634,6 +646,10 @@ sid_consumer_authenticate(sid_request_t *req, sid_storage_t *store,
 	if (openid.has_param("mode") && openid.get_param("mode") == "cancel") {
 		cancelled_auth (req, consumer, openid, url);
 
+	/* Returning cancelled authentication */
+	} else if (openid.has_param("mode") && openid.get_param("mode") == "error") {
+		failed_auth (req, consumer, openid, url);
+
 	/* Begin a new authentication */
 	} else {
 		if (!trust_root)
-- 
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