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new 204d97bf3 KNOX-3397: Add preauth.auth.header.actor.groups to set actor
groups header name explicitly (#1329)
204d97bf3 is described below
commit 204d97bf3d4eb5368de3153583773d1d9598cb5c
Author: Sandor Molnar <[email protected]>
AuthorDate: Mon Jul 27 11:55:10 2026 +0200
KNOX-3397: Add preauth.auth.header.actor.groups to set actor groups header
name explicitly (#1329)
---
.../gateway/service/auth/AbstractAuthResource.java | 17 ++++++++++++--
.../gateway/service/auth/PreAuthResourceTest.java | 27 ++++++++++++++++++++++
2 files changed, 42 insertions(+), 2 deletions(-)
diff --git
a/gateway-service-auth/src/main/java/org/apache/knox/gateway/service/auth/AbstractAuthResource.java
b/gateway-service-auth/src/main/java/org/apache/knox/gateway/service/auth/AbstractAuthResource.java
index 8ed3aa660..358b68b0f 100644
---
a/gateway-service-auth/src/main/java/org/apache/knox/gateway/service/auth/AbstractAuthResource.java
+++
b/gateway-service-auth/src/main/java/org/apache/knox/gateway/service/auth/AbstractAuthResource.java
@@ -43,6 +43,7 @@ import static javax.ws.rs.core.Response.status;
public abstract class AbstractAuthResource {
public static final String AUTH_ACTOR_ID_HEADER_NAME =
"preauth.auth.header.actor.id.name";
+ public static final String AUTH_ACTOR_GROUPS_HEADER_NAME =
"preauth.auth.header.actor.groups";
public static final String AUTH_ACTOR_GROUPS_HEADER_PREFIX =
"preauth.auth.header.actor.groups.prefix";
public static final String GROUP_HEADER_LENGTH_LIMIT =
"preauth.auth.header.groups.length.limit";
public static final String GROUP_HEADER_SIZE_LIMIT =
"preauth.auth.header.groups.size.limit";
@@ -60,6 +61,7 @@ public abstract class AbstractAuthResource {
private static final String ACTOR_GROUPS_HEADER_FORMAT = "%s-%d";
protected String authHeaderActorIDName;
+ protected String authHeaderActorGroupsName;
protected String authHeaderActorGroupsPrefix;
private int groupHeaderLengthLimit;
private int groupHeaderSizeLimit;
@@ -69,6 +71,7 @@ public abstract class AbstractAuthResource {
protected void initialize() {
authHeaderActorIDName = getInitParameter(AUTH_ACTOR_ID_HEADER_NAME,
DEFAULT_AUTH_ACTOR_ID_HEADER_NAME);
+ authHeaderActorGroupsName =
getInitParameter(AUTH_ACTOR_GROUPS_HEADER_NAME, null);
authHeaderActorGroupsPrefix =
getInitParameter(AUTH_ACTOR_GROUPS_HEADER_PREFIX,
DEFAULT_AUTH_ACTOR_GROUPS_HEADER_PREFIX);
groupHeaderLengthLimit =
Integer.parseInt(getInitParameter(GROUP_HEADER_LENGTH_LIMIT,
DEFAULT_GROUP_HEADER_LENGTH_LIMIT));
groupHeaderSizeLimit =
Integer.parseInt(getInitParameter(GROUP_HEADER_SIZE_LIMIT,
DEFAULT_GROUP_HEADER_SIZE_LIMIT));
@@ -114,13 +117,23 @@ public abstract class AbstractAuthResource {
final boolean useRoles = !roles.isEmpty();
final List<String> groupStrings = GroupUtils.getGroupStrings(useRoles ?
roles : matchingGroupNames, groupHeaderLengthLimit, groupHeaderSizeLimit);
for (int i = 0; i < groupStrings.size(); i++) {
- final String headerName = useRoles || rolesLookupExecuted() ?
authHeaderActorGroupsPrefix : String.format(Locale.ROOT,
ACTOR_GROUPS_HEADER_FORMAT, authHeaderActorGroupsPrefix, i + 1);
- getResponse().addHeader(headerName, groupStrings.get(i));
+ getResponse().addHeader(createGroupsHeaderName(useRoles, i),
groupStrings.get(i));
}
}
return ok().build();
}
+ private String createGroupsHeaderName(boolean useRoles, int index) {
+ if (authHeaderActorGroupsName != null) {
+ // explicit groups header takes precedence over the prefix and is used
directly, without an index suffix
+ return authHeaderActorGroupsName;
+ } else if (useRoles || rolesLookupExecuted()) {
+ return authHeaderActorGroupsPrefix;
+ } else {
+ return String.format(Locale.ROOT, ACTOR_GROUPS_HEADER_FORMAT,
authHeaderActorGroupsPrefix, index + 1);
+ }
+ }
+
private Collection<String> lookupRoles(String userName, Collection<String>
groups) {
Collection<String> roles = null;
try {
diff --git
a/gateway-service-auth/src/test/java/org/apache/knox/gateway/service/auth/PreAuthResourceTest.java
b/gateway-service-auth/src/test/java/org/apache/knox/gateway/service/auth/PreAuthResourceTest.java
index 5e1496c83..136b0ed39 100644
---
a/gateway-service-auth/src/test/java/org/apache/knox/gateway/service/auth/PreAuthResourceTest.java
+++
b/gateway-service-auth/src/test/java/org/apache/knox/gateway/service/auth/PreAuthResourceTest.java
@@ -169,6 +169,33 @@ public class PreAuthResourceTest {
EasyMock.verify(response);
}
+ @Test
+ public void testExplicitGroupsHeaderTakesPrecedenceOverPrefix() throws
Exception {
+ final String explicitGroupsHeader = "X-Knox-Actor-Groups";
+ subject.getPrincipals().add(new GroupPrincipal("group1"));
+
+ context = EasyMock.createNiceMock(ServletContext.class);
+
EasyMock.expect(context.getInitParameter(PreAuthResource.AUTH_ACTOR_GROUPS_HEADER_NAME)).andReturn(explicitGroupsHeader).anyTimes();
+ // a prefix is configured as well, to prove the explicit header wins and
no index suffix is appended
+
EasyMock.expect(context.getInitParameter(PreAuthResource.AUTH_ACTOR_GROUPS_HEADER_PREFIX)).andReturn("X-Knox-Prefixed-Groups").anyTimes();
+ request = EasyMock.createNiceMock(HttpServletRequest.class);
+
EasyMock.expect(request.getAttribute(AbstractIdentityAssertionBase.ROLES_LOOKUP_EXECUTED)).andReturn(false).anyTimes();
+ response = EasyMock.createNiceMock(HttpServletResponse.class);
+ response.setHeader(PreAuthResource.DEFAULT_AUTH_ACTOR_ID_HEADER_NAME,
USER_NAME);
+ EasyMock.expectLastCall();
+ // the explicit header name is used directly, without an index suffix
+ response.addHeader(EasyMock.eq(explicitGroupsHeader),
EasyMock.anyString());
+ EasyMock.expectLastCall().times(1);
+ EasyMock.replay(context, request, response);
+
+ final PreAuthResource preAuthResource = new PreAuthResource();
+ preAuthResource.context = context;
+ preAuthResource.response = response;
+ preAuthResource.request = request;
+ executeResourceWithSubject(preAuthResource);
+ EasyMock.verify(response);
+ }
+
@Test
public void testPopulatingGroupsWithRoles() throws Exception {
final String rolesHeader = "X-Knox-Roles";
