From edac0ccc32848d4ecf3ae36264318ae4a92cf943 Mon Sep 17 00:00:00 2001
From: Pedro Igor <pigor.craveiro@gmail.com>
Date: Thu, 27 Feb 2020 07:29:06 +0000
Subject: [PATCH] [KEYCLOAK-11576] - Properly handling redirect_uri parser errors
---
src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java | 103 +++++++++++++++++++++++++++++++++++++--------------
1 files changed, 74 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 03bc9e6..0b108f1 100644
--- a/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
+++ b/src/main/java/org/keycloak/protocol/cas/utils/RedirectUtils.java
@@ -18,13 +18,18 @@
package org.keycloak.protocol.oidc.utils;
import org.jboss.logging.Logger;
+import org.keycloak.common.util.UriUtils;
import org.keycloak.models.ClientModel;
import org.keycloak.models.Constants;
+import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.KeycloakUriInfo;
import org.keycloak.models.RealmModel;
import org.keycloak.services.Urls;
+import org.keycloak.services.util.ResolveRelative;
-import javax.ws.rs.core.UriInfo;
import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
@@ -35,42 +40,72 @@
private static final Logger logger = Logger.getLogger(RedirectUtils.class);
- public static String verifyRealmRedirectUri(UriInfo uriInfo, String redirectUri, RealmModel realm) {
- Set<String> validRedirects = getValidateRedirectUris(uriInfo, realm);
- return verifyRedirectUri(uriInfo, null, redirectUri, realm, validRedirects);
+ public static String verifyRealmRedirectUri(KeycloakSession session, String redirectUri) {
+ Set<String> validRedirects = getValidateRedirectUris(session);
+ return verifyRedirectUri(session, null, redirectUri, validRedirects, true);
}
- public static String verifyRedirectUri(UriInfo uriInfo, String redirectUri, RealmModel realm, ClientModel client) {
- Set<String> validRedirects = client.getRedirectUris();
- return verifyRedirectUri(uriInfo, client.getRootUrl(), redirectUri, realm, validRedirects);
+ public static String verifyRedirectUri(KeycloakSession session, String redirectUri, ClientModel client) {
+ return verifyRedirectUri(session, redirectUri, client, true);
}
- public static Set<String> resolveValidRedirects(UriInfo uriInfo, String rootUrl, Set<String> validRedirects) {
+ public static String verifyRedirectUri(KeycloakSession session, String redirectUri, ClientModel client, boolean requireRedirectUri) {
+ if (client != null)
+ return verifyRedirectUri(session, client.getRootUrl(), redirectUri, client.getRedirectUris(), requireRedirectUri);
+ return null;
+ }
+
+ public static Set<String> resolveValidRedirects(KeycloakSession session, 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>();
+ Set<String> resolveValidRedirects = new HashSet<>();
for (String validRedirect : validRedirects) {
- resolveValidRedirects.add(validRedirect); // add even relative urls.
if (validRedirect.startsWith("/")) {
- validRedirect = relativeToAbsoluteURI(uriInfo, rootUrl, validRedirect);
+ validRedirect = relativeToAbsoluteURI(session, rootUrl, validRedirect);
logger.debugv("replacing relative valid redirect with: {0}", validRedirect);
resolveValidRedirects.add(validRedirect);
+ } else {
+ resolveValidRedirects.add(validRedirect);
}
}
return resolveValidRedirects;
}
- private static Set<String> getValidateRedirectUris(UriInfo uriInfo, RealmModel realm) {
+ private static Set<String> getValidateRedirectUris(KeycloakSession session) {
Set<String> redirects = new HashSet<>();
- for (ClientModel client : realm.getClients()) {
- redirects.addAll(resolveValidRedirects(uriInfo, client.getRootUrl(), client.getRedirectUris()));
+ for (ClientModel client : session.getContext().getRealm().getClients()) {
+ if (client.isEnabled()) {
+ redirects.addAll(resolveValidRedirects(session, client.getRootUrl(), client.getRedirectUris()));
+ }
}
return redirects;
}
- private static String verifyRedirectUri(UriInfo uriInfo, String rootUrl, String redirectUri, RealmModel realm, Set<String> validRedirects) {
+ private static String verifyRedirectUri(KeycloakSession session, String rootUrl, String redirectUri, Set<String> validRedirects, boolean requireRedirectUri) {
+ KeycloakUriInfo uriInfo = session.getContext().getUri();
+ RealmModel realm = session.getContext().getRealm();
+
+ if (redirectUri != null) {
+ try {
+ URI uri = URI.create(redirectUri);
+ redirectUri = uri.normalize().toString();
+ } catch (IllegalArgumentException cause) {
+ logger.debug("Invalid redirect uri", cause);
+ return null;
+ } catch (Exception cause) {
+ logger.debug("Unexpected error when parsing redirect uri", cause);
+ return null;
+ }
+ }
+
if (redirectUri == null) {
- logger.debug("No Redirect URI parameter specified");
- return null;
+ if (!requireRedirectUri) {
+ redirectUri = getSingleValidRedirectUri(validRedirects);
+ }
+
+ if (redirectUri == null) {
+ logger.debug("No Redirect URI parameter specified");
+ return null;
+ }
} else if (validRedirects.isEmpty()) {
logger.debug("No Redirect URIs supplied");
redirectUri = null;
@@ -78,7 +113,7 @@
redirectUri = lowerCaseHostname(redirectUri);
String r = redirectUri;
- Set<String> resolveValidRedirects = resolveValidRedirects(uriInfo, rootUrl, validRedirects);
+ Set<String> resolveValidRedirects = resolveValidRedirects(session, rootUrl, validRedirects);
boolean valid = matchesRedirects(resolveValidRedirects, r);
@@ -98,7 +133,7 @@
valid = matchesRedirects(resolveValidRedirects, r);
}
if (valid && redirectUri.startsWith("/")) {
- redirectUri = relativeToAbsoluteURI(uriInfo, rootUrl, redirectUri);
+ redirectUri = relativeToAbsoluteURI(session, rootUrl, redirectUri);
}
redirectUri = valid ? redirectUri : null;
}
@@ -119,17 +154,18 @@
}
}
- 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;
+ private static String relativeToAbsoluteURI(KeycloakSession session, String rootUrl, String relative) {
+ if (rootUrl != null) {
+ rootUrl = ResolveRelative.resolveRootUrl(session, rootUrl);
}
- relative = rootUrl + relative;
- return relative;
+
+ if (rootUrl == null || rootUrl.isEmpty()) {
+ rootUrl = UriUtils.getOrigin(session.getContext().getUri().getBaseUri());
+ }
+ StringBuilder sb = new StringBuilder();
+ sb.append(rootUrl);
+ sb.append(relative);
+ return sb.toString();
}
private static boolean matchesRedirects(Set<String> validRedirects, String redirect) {
@@ -150,4 +186,13 @@
return false;
}
+ private static String getSingleValidRedirectUri(Collection<String> validRedirects) {
+ if (validRedirects.size() != 1) return null;
+ String validRedirect = validRedirects.iterator().next();
+ int idx = validRedirect.indexOf("/*");
+ if (idx > -1) {
+ validRedirect = validRedirect.substring(0, idx);
+ }
+ return validRedirect;
+ }
}
--
Gitblit v1.10.0