From fd2f337fdff9e0d3106e24b38f5a3feb0d974893 Mon Sep 17 00:00:00 2001
From: mposolda <mposolda@gmail.com>
Date: Thu, 07 Jul 2016 10:46:36 +0000
Subject: [PATCH] KEYCLOAK-3147 Don't allow authRequest without redirect_uri parameter
---
src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java | 82 ++++++++++++++++++++++++++--------------
1 files changed, 53 insertions(+), 29 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 68da825..441cd57 100644
--- a/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
+++ b/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
@@ -1,10 +1,27 @@
+/*
+ * Copyright 2016 Red Hat, Inc. and/or its affiliates
+ * and other contributors as indicated by the @author tags.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
package org.keycloak.protocol.oidc.utils;
-import org.jboss.logging.Logger;
import org.keycloak.models.ClientModel;
import org.keycloak.models.Constants;
import org.keycloak.models.RealmModel;
-import org.keycloak.services.resources.flows.Urls;
+import org.keycloak.services.Urls;
+import org.keycloak.services.ServicesLogger;
import javax.ws.rs.core.UriInfo;
import java.net.URI;
@@ -16,25 +33,25 @@
*/
public class RedirectUtils {
- private static final Logger logger = Logger.getLogger(RedirectUtils.class);
+ private static final ServicesLogger logger = ServicesLogger.ROOT_LOGGER;
public static String verifyRealmRedirectUri(UriInfo uriInfo, String redirectUri, RealmModel realm) {
- Set<String> validRedirects = getValidateRedirectUris(realm);
- return verifyRedirectUri(uriInfo, redirectUri, realm, validRedirects);
+ Set<String> validRedirects = getValidateRedirectUris(uriInfo, realm);
+ return verifyRedirectUri(uriInfo, null, redirectUri, realm, validRedirects);
}
public static String verifyRedirectUri(UriInfo uriInfo, String redirectUri, RealmModel realm, ClientModel client) {
Set<String> validRedirects = client.getRedirectUris();
- return verifyRedirectUri(uriInfo, redirectUri, realm, validRedirects);
+ return verifyRedirectUri(uriInfo, client.getRootUrl(), redirectUri, realm, validRedirects);
}
- public static Set<String> resolveValidRedirects(UriInfo uriInfo, Set<String> validRedirects) {
+ public static Set<String> resolveValidRedirects(UriInfo uriInfo, String rootUrl, Set<String> validRedirects) {
// If the valid redirect URI is relative (no scheme, host, port) then use the request's scheme, host, and port
Set<String> resolveValidRedirects = new HashSet<String>();
for (String validRedirect : validRedirects) {
resolveValidRedirects.add(validRedirect); // add even relative urls.
if (validRedirect.startsWith("/")) {
- validRedirect = relativeToAbsoluteURI(uriInfo, validRedirect);
+ validRedirect = relativeToAbsoluteURI(uriInfo, rootUrl, validRedirect);
logger.debugv("replacing relative valid redirect with: {0}", validRedirect);
resolveValidRedirects.add(validRedirect);
}
@@ -42,31 +59,26 @@
return resolveValidRedirects;
}
- private static Set<String> getValidateRedirectUris(RealmModel realm) {
- Set<String> redirects = new HashSet<String>();
+ private static Set<String> getValidateRedirectUris(UriInfo uriInfo, RealmModel realm) {
+ Set<String> redirects = new HashSet<>();
for (ClientModel client : realm.getClients()) {
- for (String redirect : client.getRedirectUris()) {
- redirects.add(redirect);
- }
+ redirects.addAll(resolveValidRedirects(uriInfo, client.getRootUrl(), client.getRedirectUris()));
}
return redirects;
}
- private static String verifyRedirectUri(UriInfo uriInfo, String redirectUri, RealmModel realm, Set<String> validRedirects) {
+ private static String verifyRedirectUri(UriInfo uriInfo, String rootUrl, String redirectUri, RealmModel realm, Set<String> validRedirects) {
if (redirectUri == null) {
- if (validRedirects.size() != 1) return null;
- String validRedirect = validRedirects.iterator().next();
- int idx = validRedirect.indexOf("/*");
- if (idx > -1) {
- validRedirect = validRedirect.substring(0, idx);
- }
- redirectUri = validRedirect;
+ logger.debug("No Redirect URI parameter specified");
+ return null;
} else if (validRedirects.isEmpty()) {
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, validRedirects);
+ Set<String> resolveValidRedirects = resolveValidRedirects(uriInfo, rootUrl, validRedirects);
boolean valid = matchesRedirects(resolveValidRedirects, r);
@@ -86,7 +98,7 @@
valid = matchesRedirects(resolveValidRedirects, r);
}
if (valid && redirectUri.startsWith("/")) {
- redirectUri = relativeToAbsoluteURI(uriInfo, redirectUri);
+ redirectUri = relativeToAbsoluteURI(uriInfo, rootUrl, redirectUri);
}
redirectUri = valid ? redirectUri : null;
}
@@ -98,13 +110,25 @@
}
}
- private static String relativeToAbsoluteURI(UriInfo uriInfo, String relative) {
- URI baseUri = uriInfo.getBaseUri();
- String uri = baseUri.getScheme() + "://" + baseUri.getHost();
- if (baseUri.getPort() != -1) {
- uri += ":" + baseUri.getPort();
+ 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);
}
- relative = uri + relative;
+ }
+
+ private static String relativeToAbsoluteURI(UriInfo uriInfo, String rootUrl, String relative) {
+ if (rootUrl == null || rootUrl.isEmpty()) {
+ URI baseUri = uriInfo.getBaseUri();
+ String uri = baseUri.getScheme() + "://" + baseUri.getHost();
+ if (baseUri.getPort() != -1) {
+ uri += ":" + baseUri.getPort();
+ }
+ rootUrl = uri;
+ }
+ relative = rootUrl + relative;
return relative;
}
--
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