From 925a19f5f2a34677c8a30c2ae64bcebb0b062e4f Mon Sep 17 00:00:00 2001
From: Stian Thorgersen <stianst@gmail.com>
Date: Fri, 08 Jan 2016 14:38:00 +0000
Subject: [PATCH] KEYCLOAK-2259 Redirect URIs and token domains are matched case-sensitively

---
 src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java b/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
index ff4601f..cf8354d 100644
--- a/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
+++ b/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
@@ -63,6 +63,8 @@
             logger.debug("No Redirect URIs supplied");
             redirectUri = null;
         } else {
+            redirectUri = lowerCaseHostname(redirectUri);
+
             String r = redirectUri.indexOf('?') != -1 ? redirectUri.substring(0, redirectUri.indexOf('?')) : redirectUri;
             Set<String> resolveValidRedirects = resolveValidRedirects(uriInfo, rootUrl, validRedirects);
 
@@ -96,6 +98,15 @@
         }
     }
 
+    private static String lowerCaseHostname(String redirectUri) {
+        int n = redirectUri.indexOf('/', 7);
+        if (n == -1) {
+            return redirectUri.toLowerCase();
+        } else {
+            return redirectUri.substring(0, n).toLowerCase() + redirectUri.substring(n);
+        }
+    }
+
     private static String relativeToAbsoluteURI(UriInfo uriInfo, String rootUrl, String relative) {
         if (rootUrl == null) {
             URI baseUri = uriInfo.getBaseUri();

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