From 0a02e7f545d8eb69e04d26b1066382af14f234fe Mon Sep 17 00:00:00 2001
From: Justin Richer <jricher@mit.edu>
Date: Mon, 10 Oct 2016 15:10:20 -0400
Subject: [PATCH] null-safe target link filter

---
 .../mitre/openid/connect/client/OIDCAuthenticationFilter.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/openid-connect-client/src/main/java/org/mitre/openid/connect/client/OIDCAuthenticationFilter.java b/openid-connect-client/src/main/java/org/mitre/openid/connect/client/OIDCAuthenticationFilter.java
index bbb1b1c01..332a60001 100644
--- a/openid-connect-client/src/main/java/org/mitre/openid/connect/client/OIDCAuthenticationFilter.java
+++ b/openid-connect-client/src/main/java/org/mitre/openid/connect/client/OIDCAuthenticationFilter.java
@@ -708,7 +708,9 @@ public class OIDCAuthenticationFilter extends AbstractAuthenticationProcessingFi
 			if (!Strings.isNullOrEmpty(target)) {
 				session.removeAttribute(TARGET_SESSION_VARIABLE);
 
-				target = deepLinkFilter.filter(target);
+				if (deepLinkFilter != null) {
+					target = deepLinkFilter.filter(target);
+				}
 
 				response.sendRedirect(target);
 			} else {