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coheigea pushed a commit to branch 4.1.x-fixes
in repository https://gitbox.apache.org/repos/asf/cxf.git


The following commit(s) were added to refs/heads/4.1.x-fixes by this push:
     new 57a1782d80e Validate expiry, nbg + audience for the 
JwtAccessTokenValidator (#3126)
57a1782d80e is described below

commit 57a1782d80e8bc7a66da95c0843bd72e78ae5fc5
Author: Colm O hEigeartaigh <[email protected]>
AuthorDate: Wed May 20 17:11:27 2026 +0100

    Validate expiry, nbg + audience for the JwtAccessTokenValidator (#3126)
    
    (cherry picked from commit d6bce8e256a1325e5abcca0f284f1eeb2469dd2e)
---
 .../oauth2/filters/JwtAccessTokenValidator.java    |  18 ++
 .../filters/JwtAccessTokenValidatorTest.java       | 200 +++++++++++++++++++++
 .../jaxrs/security/oauth2/tls/serverTls.xml        |   4 +-
 3 files changed, 221 insertions(+), 1 deletion(-)

diff --git 
a/rt/rs/security/oauth-parent/oauth2/src/main/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidator.java
 
b/rt/rs/security/oauth-parent/oauth2/src/main/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidator.java
index 80ce114da2f..3f27d739f80 100644
--- 
a/rt/rs/security/oauth-parent/oauth2/src/main/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidator.java
+++ 
b/rt/rs/security/oauth-parent/oauth2/src/main/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidator.java
@@ -32,6 +32,7 @@ import org.apache.cxf.rs.security.jose.jwt.JoseJwtConsumer;
 import org.apache.cxf.rs.security.jose.jwt.JwtClaims;
 import org.apache.cxf.rs.security.jose.jwt.JwtConstants;
 import org.apache.cxf.rs.security.jose.jwt.JwtToken;
+import org.apache.cxf.rs.security.jose.jwt.JwtUtils;
 import org.apache.cxf.rs.security.oauth2.common.AccessTokenValidation;
 import org.apache.cxf.rs.security.oauth2.common.OAuthPermission;
 import org.apache.cxf.rs.security.oauth2.common.UserSubject;
@@ -46,6 +47,7 @@ public class JwtAccessTokenValidator extends JoseJwtConsumer 
implements AccessTo
     private static final String USERNAME_PROP = "username";
 
     private Map<String, String> jwtAccessTokenClaimMap;
+    private boolean validateAudience = true;
 
     public List<String> getSupportedAuthorizationSchemes() {
         return 
Collections.singletonList(OAuthConstants.BEARER_AUTHORIZATION_SCHEME);
@@ -64,6 +66,15 @@ public class JwtAccessTokenValidator extends JoseJwtConsumer 
implements AccessTo
         }
     }
 
+    @Override
+    protected void validateToken(JwtToken jwt) {
+        // We must have an issuer
+        if (jwt.getClaim(JwtConstants.CLAIM_ISSUER) == null) {
+            throw new OAuthServiceException(OAuthConstants.INVALID_GRANT);
+        }
+
+        JwtUtils.validateTokenClaims(jwt.getClaims(), getTtl(), 
getClockOffset(), isValidateAudience());
+    }
 
     private AccessTokenValidation convertClaimsToValidation(JwtClaims claims) {
         AccessTokenValidation atv = new AccessTokenValidation();
@@ -134,4 +145,11 @@ public class JwtAccessTokenValidator extends 
JoseJwtConsumer implements AccessTo
         this.jwtAccessTokenClaimMap = jwtAccessTokenClaimMap;
     }
 
+    public boolean isValidateAudience() {
+        return validateAudience;
+    }
+
+    public void setValidateAudience(boolean validateAudience) {
+        this.validateAudience = validateAudience;
+    }
 }
diff --git 
a/rt/rs/security/oauth-parent/oauth2/src/test/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidatorTest.java
 
b/rt/rs/security/oauth-parent/oauth2/src/test/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidatorTest.java
new file mode 100644
index 00000000000..e2f96ce609e
--- /dev/null
+++ 
b/rt/rs/security/oauth-parent/oauth2/src/test/java/org/apache/cxf/rs/security/oauth2/filters/JwtAccessTokenValidatorTest.java
@@ -0,0 +1,200 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.cxf.rs.security.oauth2.filters;
+
+import java.lang.reflect.Field;
+
+import jakarta.ws.rs.core.MultivaluedHashMap;
+import jakarta.ws.rs.core.MultivaluedMap;
+import org.apache.cxf.jaxrs.ext.MessageContext;
+import org.apache.cxf.message.Message;
+import org.apache.cxf.message.MessageImpl;
+import org.apache.cxf.phase.PhaseInterceptorChain;
+import org.apache.cxf.rs.security.jose.jwa.SignatureAlgorithm;
+import org.apache.cxf.rs.security.jose.jws.HmacJwsSignatureProvider;
+import org.apache.cxf.rs.security.jose.jws.HmacJwsSignatureVerifier;
+import org.apache.cxf.rs.security.jose.jws.JwsJwtCompactProducer;
+import org.apache.cxf.rs.security.jose.jwt.JwtClaims;
+import org.apache.cxf.rs.security.jose.jwt.JwtConstants;
+import org.apache.cxf.rs.security.oauth2.common.AccessTokenValidation;
+import org.apache.cxf.rs.security.oauth2.provider.OAuthServiceException;
+
+import org.junit.After;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.mock;
+
+
+public class JwtAccessTokenValidatorTest {
+
+    private static final String SIGNING_KEY = 
"AyM1SysPpbyDfgZld3umj1qzKObwVMkoq2QjvA6P5f8";
+    private static final String DIFFERENT_SIGNING_KEY = 
"hJtXIZ2uSN5kbQfbtTNWbg6X5U0ZSyxP6oJ6H3f3j1k";
+
+    @Test
+    public void testValidateAccessTokenSignedAndSignatureVerified() {
+        JwtAccessTokenValidator validator = new JwtAccessTokenValidator();
+        validator.setJwsVerifier(new HmacJwsSignatureVerifier(SIGNING_KEY, 
SignatureAlgorithm.HS256));
+        validator.setValidateAudience(false);
+
+        String jwt = createSignedToken(SIGNING_KEY, "signed-client", 3600);
+        MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
+
+        AccessTokenValidation result = validator.validateAccessToken(
+            mock(MessageContext.class), "Bearer", jwt, params);
+
+        assertNotNull(result);
+        assertTrue(result.isInitialValidationSuccessful());
+        assertEquals("signed-client", result.getClientId());
+    }
+
+    @Test
+    public void testValidateAccessTokenSignedButSignatureValidationFails() {
+        JwtAccessTokenValidator validator = new JwtAccessTokenValidator();
+        validator.setJwsVerifier(new 
HmacJwsSignatureVerifier(DIFFERENT_SIGNING_KEY, SignatureAlgorithm.HS256));
+        validator.setValidateAudience(false);
+
+        String jwt = createSignedToken(SIGNING_KEY, "signed-client", 3600);
+        MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
+
+        OAuthServiceException ex = assertThrows(OAuthServiceException.class, 
() ->
+            validator.validateAccessToken(mock(MessageContext.class), 
"Bearer", jwt, params));
+
+        assertNotNull(ex.getCause());
+        assertTrue(ex.getCause().getMessage().contains("Invalid Signature"));
+    }
+
+    @Test
+    public void testValidateAccessTokenExpired() {
+        JwtAccessTokenValidator validator = new JwtAccessTokenValidator();
+        validator.setJwsVerifier(new HmacJwsSignatureVerifier(SIGNING_KEY, 
SignatureAlgorithm.HS256));
+        validator.setValidateAudience(false);
+
+        String jwt = createSignedToken(SIGNING_KEY, "signed-client", -3600); 
// Expired 1 hour ago
+        MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
+
+        OAuthServiceException ex = assertThrows(OAuthServiceException.class, 
() ->
+            validator.validateAccessToken(mock(MessageContext.class), 
"Bearer", jwt, params));
+
+        assertNotNull(ex.getCause());
+        assertTrue(ex.getCause().getMessage().contains("expired"));
+    }
+
+    @Test
+    public void testValidateAccessTokenNotBefore() {
+        JwtAccessTokenValidator validator = new JwtAccessTokenValidator();
+        validator.setJwsVerifier(new HmacJwsSignatureVerifier(SIGNING_KEY, 
SignatureAlgorithm.HS256));
+        validator.setValidateAudience(false);
+
+        // Not valid before 1 hour from now
+        String jwt = createSignedToken(SIGNING_KEY, "signed-client", 3600, 
3600, null);
+        MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
+
+        OAuthServiceException ex = assertThrows(OAuthServiceException.class, 
() ->
+            validator.validateAccessToken(mock(MessageContext.class), 
"Bearer", jwt, params));
+
+        assertNotNull(ex.getCause());
+        assertTrue(ex.getCause().getMessage().contains("cannot be accepted"));
+    }
+
+    @After
+    public void clearCurrentMessage() throws Exception {
+        setThreadLocalMessage(null);
+    }
+
+    @Test
+    public void testValidAudience() throws Exception {
+        JwtAccessTokenValidator validator = new JwtAccessTokenValidator();
+        validator.setJwsVerifier(new HmacJwsSignatureVerifier(SIGNING_KEY, 
SignatureAlgorithm.HS256));
+
+        String jwt = createSignedToken(SIGNING_KEY, "signed-client", 3600, 0, 
"valid-audience");
+        MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
+
+        Message message = new MessageImpl();
+        message.put(JwtConstants.EXPECTED_CLAIM_AUDIENCE, "valid-audience");
+        setThreadLocalMessage(message);
+
+        AccessTokenValidation result = validator.validateAccessToken(
+            mock(MessageContext.class), "Bearer", jwt, params);
+
+        assertNotNull(result);
+        assertTrue(result.isInitialValidationSuccessful());
+        assertEquals("signed-client", result.getClientId());
+    }
+
+    @Test
+    public void testInvalidAudience() throws Exception {
+        JwtAccessTokenValidator validator = new JwtAccessTokenValidator();
+        validator.setJwsVerifier(new HmacJwsSignatureVerifier(SIGNING_KEY, 
SignatureAlgorithm.HS256));
+
+        String jwt = createSignedToken(SIGNING_KEY, "signed-client", 3600, 0, 
"invalid-audience");
+        MultivaluedMap<String, String> params = new MultivaluedHashMap<>();
+
+        Message message = new MessageImpl();
+        message.put(JwtConstants.EXPECTED_CLAIM_AUDIENCE, "valid-audience");
+        setThreadLocalMessage(message);
+
+        OAuthServiceException ex = assertThrows(OAuthServiceException.class, 
() ->
+            validator.validateAccessToken(mock(MessageContext.class), 
"Bearer", jwt, params));
+
+        assertNotNull(ex.getCause());
+        assertTrue(ex.getCause().getMessage().contains("Invalid audience 
restriction"));
+    }
+
+    private static String createSignedToken(String key, String clientId, long 
expiresInSeconds) {
+        return createSignedToken(key, clientId, expiresInSeconds, 0, null);
+    }
+
+    private static String createSignedToken(String key, String clientId, long 
expiresInSeconds,
+                                           long notBeforeOffsetSeconds, String 
audience) {
+        long now = System.currentTimeMillis() / 1000;
+        JwtClaims claims = new JwtClaims();
+        claims.setIssuedAt(now);
+        claims.setExpiryTime(now + expiresInSeconds);
+        if (clientId != null) {
+            claims.setClaim("client_id", clientId);
+        }
+        claims.setIssuer("SomeIssuer");
+        claims.setSubject("SomeSubject");
+        if (notBeforeOffsetSeconds != 0) {
+            claims.setNotBefore(now + notBeforeOffsetSeconds);
+        }
+        if (audience != null) {
+            claims.setAudience(audience);
+        }
+
+        JwsJwtCompactProducer producer = new JwsJwtCompactProducer(claims);
+        return producer.signWith(new HmacJwsSignatureProvider(key, 
SignatureAlgorithm.HS256));
+    }
+
+    private static void setThreadLocalMessage(Message message) throws 
Exception {
+        Field f = 
PhaseInterceptorChain.class.getDeclaredField("CURRENT_MESSAGE");
+        f.setAccessible(true);
+        @SuppressWarnings("unchecked")
+        ThreadLocal<Message> tl = (ThreadLocal<Message>) f.get(null);
+        if (message == null) {
+            tl.remove();
+        } else {
+            tl.set(message);
+        }
+    }
+}
\ No newline at end of file
diff --git 
a/systests/rs-security/src/test/resources/org/apache/cxf/systest/jaxrs/security/oauth2/tls/serverTls.xml
 
b/systests/rs-security/src/test/resources/org/apache/cxf/systest/jaxrs/security/oauth2/tls/serverTls.xml
index 4c8f4a83f54..c88837d1d3e 100644
--- 
a/systests/rs-security/src/test/resources/org/apache/cxf/systest/jaxrs/security/oauth2/tls/serverTls.xml
+++ 
b/systests/rs-security/src/test/resources/org/apache/cxf/systest/jaxrs/security/oauth2/tls/serverTls.xml
@@ -69,7 +69,9 @@ under the License.
     
     <bean id="oauthJson" 
class="org.apache.cxf.rs.security.oauth2.provider.OAuthJSONProvider"/>
     <bean id="dataProvider" 
class="org.apache.cxf.systest.jaxrs.security.oauth2.tls.OAuthDataProviderImpl"/>
-    <bean id="dataProviderJwt" 
class="org.apache.cxf.systest.jaxrs.security.oauth2.tls.OAuthDataProviderImplJwt"/>
+    <bean id="dataProviderJwt" 
class="org.apache.cxf.systest.jaxrs.security.oauth2.tls.OAuthDataProviderImplJwt">
+        <property name="issuer" value="Some-Issuer"/>
+    </bean>
     <bean id="rsService" 
class="org.apache.cxf.systest.jaxrs.security.BookStore"/>
     
     <bean id="accessTokenService1" 
class="org.apache.cxf.rs.security.oauth2.services.AccessTokenService">

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