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commit 69fca6f6181aaeb12970a5f9345d5d09a7f1dcb2 Author: James Bognar <[email protected]> AuthorDate: Sun Aug 16 15:33:25 2026 -0400 READY-382: Enforce HTTPS-or-loopback on the OidcDiscoveryClient issuer --- .../rest/auth/oauth/oidc/OidcDiscoveryClient.java | 4 ++ .../oidc/OidcDiscoveryClient_Builder_Test.java | 61 ++++++++++++++++++++++ 2 files changed, 65 insertions(+) diff --git a/juneau-rest/juneau-rest-auth-oauth-flow/src/main/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient.java b/juneau-rest/juneau-rest-auth-oauth-flow/src/main/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient.java index 7e68906f05..49c9a264df 100644 --- a/juneau-rest/juneau-rest-auth-oauth-flow/src/main/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient.java +++ b/juneau-rest/juneau-rest-auth-oauth-flow/src/main/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient.java @@ -24,6 +24,8 @@ import java.time.*; import java.util.*; import java.util.function.*; +import org.apache.juneau.commons.utils.*; + import com.nimbusds.oauth2.sdk.*; import com.nimbusds.oauth2.sdk.as.*; import com.nimbusds.oauth2.sdk.http.*; @@ -119,10 +121,12 @@ public class OidcDiscoveryClient { * Builds the client. * * @return A new {@link OidcDiscoveryClient}. + * @throws IllegalArgumentException If the issuer is not <js>"https"</js> and does not target a loopback host. */ public OidcDiscoveryClient build() { if (issuer == null) throw new IllegalStateException("OidcDiscoveryClient requires issuer(...)"); + UriUtils.assertSecureOrLoopback(issuer); return new OidcDiscoveryClient(this); } } diff --git a/juneau-rest/juneau-rest-auth-oauth-flow/src/test/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient_Builder_Test.java b/juneau-rest/juneau-rest-auth-oauth-flow/src/test/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient_Builder_Test.java new file mode 100644 index 0000000000..cbd6497385 --- /dev/null +++ b/juneau-rest/juneau-rest-auth-oauth-flow/src/test/java/org/apache/juneau/rest/auth/oauth/oidc/OidcDiscoveryClient_Builder_Test.java @@ -0,0 +1,61 @@ +/* + * 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.juneau.rest.auth.oauth.oidc; + +import static org.apache.juneau.BasicTestUtils.*; +import static org.junit.jupiter.api.Assertions.*; + +import java.net.*; + +import org.apache.juneau.*; +import org.junit.jupiter.api.*; + +/** + * Builder tests for {@link OidcDiscoveryClient}, focused on the issuer's HTTPS-or-loopback requirement. + * + * @since 10.0.0 + */ +class OidcDiscoveryClient_Builder_Test extends TestBase { + + @Test void a01_requireIssuer() { + assertThrows(IllegalStateException.class, () -> OidcDiscoveryClient.create().build()); + } + + @Test void a02_build_httpsAccepted() { + var c = OidcDiscoveryClient.create() + .issuer(URI.create("https://idp.example.com")) + .build(); + assertEquals(URI.create("https://idp.example.com"), c.getIssuer()); + } + + @Test void a03_build_loopbackHttpAccepted() { + var c1 = OidcDiscoveryClient.create().issuer(URI.create("http://localhost:8080")).build(); + assertEquals(URI.create("http://localhost:8080"), c1.getIssuer()); + + var c2 = OidcDiscoveryClient.create().issuer(URI.create("http://127.0.0.1:8080")).build(); + assertEquals(URI.create("http://127.0.0.1:8080"), c2.getIssuer()); + + var c3 = OidcDiscoveryClient.create().issuer(URI.create("http://[::1]:8080")).build(); + assertEquals(URI.create("http://[::1]:8080"), c3.getIssuer()); + } + + @Test void a04_build_remotePlaintextRejected() { + assertThrowsWithMessage(IllegalArgumentException.class, + "URI must use https or target a loopback host: http://idp.example.com", + () -> OidcDiscoveryClient.create().issuer(URI.create("http://idp.example.com")).build()); + } +}
