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Implements end-to-end integration tests for Authorization in Rest Layer #3226

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merged 15 commits into from
Aug 24, 2023
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Merged

Implements end-to-end integration tests for Authorization in Rest Layer #3226

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52b980e
Base setup for dummy plugin for E2E testing
DarshitChanpura Aug 18, 2023
022e663
Adds a plugin that has protected routes
DarshitChanpura Aug 21, 2023
6a1add9
Adds a plugin that is a legacy plugin which does not have protected r…
DarshitChanpura Aug 21, 2023
214d276
Adds an abstract base rest handler for dummy plugins
DarshitChanpura Aug 21, 2023
7a68bec
Adds a few tests for E2E testing
DarshitChanpura Aug 21, 2023
0d6ba84
Refactors plugins to be more readable
DarshitChanpura Aug 21, 2023
bc87ad5
Adds two reusable methods in AuditMessagePredicate
DarshitChanpura Aug 21, 2023
65d53da
Adds final changes to AuthZ end-to-end tests
DarshitChanpura Aug 21, 2023
220c4b5
Merge remote-tracking branch 'upstream/main' into end-to-end-testing
DarshitChanpura Aug 21, 2023
eb61c9e
Fixes WhoAmITests to be a little cleaner
DarshitChanpura Aug 21, 2023
8c0cd13
Fixes license headers
DarshitChanpura Aug 21, 2023
8c9b9cb
Merge branch 'main' into end-to-end-testing
DarshitChanpura Aug 21, 2023
d6b69f9
Cleans up code and addresses PR feedback
DarshitChanpura Aug 22, 2023
cbbbf27
Renames users in Authz tests to be more intuitive
DarshitChanpura Aug 22, 2023
fd84d3a
Renames tests to be more readable
DarshitChanpura Aug 22, 2023
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254 changes: 254 additions & 0 deletions src/integrationTest/java/org/opensearch/security/rest/AuthZinRestLayerTests.java
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@@ -0,0 +1,254 @@
/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/

package org.opensearch.security.rest;

import com.carrotsearch.randomizedtesting.annotations.ThreadLeakScope;
import org.apache.hc.core5.http.HttpStatus;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.opensearch.test.framework.AuditCompliance;
import org.opensearch.test.framework.AuditConfiguration;
import org.opensearch.test.framework.AuditFilters;
import org.opensearch.test.framework.TestSecurityConfig;
import org.opensearch.test.framework.TestSecurityConfig.Role;
import org.opensearch.test.framework.audit.AuditLogsRule;
import org.opensearch.test.framework.cluster.ClusterManager;
import org.opensearch.test.framework.cluster.LocalCluster;
import org.opensearch.test.framework.cluster.TestRestClient;
import org.opensearch.test.framework.testplugins.dummy.CustomLegacyTestPlugin;
import org.opensearch.test.framework.testplugins.dummyprotected.CustomRestProtectedTestPlugin;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.opensearch.rest.RestRequest.Method.GET;
import static org.opensearch.rest.RestRequest.Method.POST;
import static org.opensearch.security.auditlog.impl.AuditCategory.FAILED_LOGIN;
import static org.opensearch.security.auditlog.impl.AuditCategory.GRANTED_PRIVILEGES;
import static org.opensearch.security.auditlog.impl.AuditCategory.MISSING_PRIVILEGES;
import static org.opensearch.test.framework.TestSecurityConfig.AuthcDomain.AUTHC_HTTPBASIC_INTERNAL;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.privilegePredicateRESTLayer;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.privilegePredicateTransportLayer;

@RunWith(com.carrotsearch.randomizedtesting.RandomizedRunner.class)
@ThreadLeakScope(ThreadLeakScope.Scope.NONE)
public class AuthZinRestLayerTests {
protected final static TestSecurityConfig.User DUMMY_REST_ONLY = new TestSecurityConfig.User("dummy_rest_only").roles(
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new Role("dummy_rest_only_role").clusterPermissions("security:dummy_protected/get")
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.clusterPermissions("cluster:admin/dummy_plugin/dummy")
);

protected final static TestSecurityConfig.User DUMMY_WITH_TRANSPORT_PERM = new TestSecurityConfig.User("dummy_transport_perm").roles(
new Role("dummy_transport_perm_role").clusterPermissions("security:dummy_protected/get")
.clusterPermissions("cluster:admin/dummy_plugin/dummy", "cluster:admin/dummy_protected_plugin/dummy/get")
);

protected final static TestSecurityConfig.User DUMMY_LEGACY = new TestSecurityConfig.User("dummy_user_legacy").roles(
new Role("dummy_role_legacy").clusterPermissions("cluster:admin/dummy_plugin/dummy")
);

protected final static TestSecurityConfig.User DUMMY_NO_PERM = new TestSecurityConfig.User("dummy_user_no_perm").roles(
new Role("dummy_role_no_perm")
);

protected final static TestSecurityConfig.User DUMMY_UNREGISTERED = new TestSecurityConfig.User("dummy_user_not_registered");

public static final String DUMMY_BASE_ENDPOINT = "_plugins/_dummy";
public static final String DUMMY_PROTECTED_BASE_ENDPOINT = "_plugins/_dummy_protected";
public static final String DUMMY_API = DUMMY_BASE_ENDPOINT + "/dummy";
public static final String DUMMY_PROTECTED_API = DUMMY_PROTECTED_BASE_ENDPOINT + "/dummy";

@ClassRule
public static LocalCluster cluster = new LocalCluster.Builder().clusterManager(ClusterManager.THREE_CLUSTER_MANAGERS)
.authc(AUTHC_HTTPBASIC_INTERNAL)
.users(DUMMY_REST_ONLY, DUMMY_WITH_TRANSPORT_PERM, DUMMY_LEGACY, DUMMY_NO_PERM)
.plugin(CustomLegacyTestPlugin.class)
.plugin(CustomRestProtectedTestPlugin.class)
.audit(
new AuditConfiguration(true).compliance(new AuditCompliance().enabled(true))
.filters(new AuditFilters().enabledRest(true).enabledTransport(true).resolveBulkRequests(true))
)
.build();

@Rule
public AuditLogsRule auditLogsRule = new AuditLogsRule();

/** Basic Access check */

@Test
public void testShouldFailForUnregisteredUsers() {
try (TestRestClient client = cluster.getRestClient(DUMMY_UNREGISTERED)) {
// Legacy plugin
assertThat(client.get(DUMMY_API).getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));
auditLogsRule.assertExactlyOne(privilegePredicateRESTLayer(FAILED_LOGIN, DUMMY_UNREGISTERED, GET, "/" + DUMMY_API));

// Protected Routes plugin
assertThat(client.get(DUMMY_PROTECTED_API).getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));
auditLogsRule.assertExactlyOne(privilegePredicateRESTLayer(FAILED_LOGIN, DUMMY_UNREGISTERED, GET, "/" + DUMMY_PROTECTED_API));
}
}

@Test
public void testShouldFailForBothPlugins() {
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try (TestRestClient client = cluster.getRestClient(DUMMY_NO_PERM)) {
// fail at Transport
assertThat(client.get(DUMMY_API).getStatusCode(), equalTo(HttpStatus.SC_FORBIDDEN));
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(MISSING_PRIVILEGES, DUMMY_NO_PERM, "DummyRequest", "cluster:admin/dummy_plugin/dummy")
);

// fail at REST
assertThat(client.get(DUMMY_PROTECTED_API).getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));
auditLogsRule.assertExactlyOne(privilegePredicateRESTLayer(MISSING_PRIVILEGES, DUMMY_NO_PERM, GET, "/" + DUMMY_PROTECTED_API));
}
}

/** AuthZ in REST Layer check */

@Test
public void testShouldFailAtTransportLayerWithRestOnlyPermission() {
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try (TestRestClient client = cluster.getRestClient(DUMMY_REST_ONLY)) {
assertThat(client.get(DUMMY_PROTECTED_API).getStatusCode(), equalTo(HttpStatus.SC_FORBIDDEN));
// granted at Rest layer
auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(GRANTED_PRIVILEGES, DUMMY_REST_ONLY, GET, "/" + DUMMY_PROTECTED_API)
);
// missing at Transport layer
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(
MISSING_PRIVILEGES,
DUMMY_REST_ONLY,
"DummyRequest",
"cluster:admin/dummy_protected_plugin/dummy/get"
)
);
}
}

@Test
public void testShouldPassWithRequiredPermissions() {
try (TestRestClient client = cluster.getRestClient(DUMMY_WITH_TRANSPORT_PERM)) {
assertOKResponseFromProtectedPlugin(client);

auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(GRANTED_PRIVILEGES, DUMMY_WITH_TRANSPORT_PERM, GET, "/" + DUMMY_PROTECTED_API)
);
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(
GRANTED_PRIVILEGES,
DUMMY_WITH_TRANSPORT_PERM,
"DummyRequest",
"cluster:admin/dummy_protected_plugin/dummy/get"
)
);
}
}

@Test
public void testShouldFailForPOST() {
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try (TestRestClient client = cluster.getRestClient(DUMMY_REST_ONLY)) {
assertThat(client.post(DUMMY_PROTECTED_API).getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));

auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(MISSING_PRIVILEGES, DUMMY_REST_ONLY, POST, "/" + DUMMY_PROTECTED_API)
);
}

try (TestRestClient client = cluster.getRestClient(DUMMY_WITH_TRANSPORT_PERM)) {
assertThat(client.post(DUMMY_PROTECTED_API).getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));

auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(MISSING_PRIVILEGES, DUMMY_WITH_TRANSPORT_PERM, POST, "/" + DUMMY_PROTECTED_API)
);
}
}

/** Backwards compatibility check */

@Test
public void testBackwardsCompatibility() {

// DUMMY_LEGACY should have access to legacy endpoint, but not protected endpoint
try (TestRestClient client = cluster.getRestClient(DUMMY_LEGACY)) {
TestRestClient.HttpResponse res = client.get(DUMMY_PROTECTED_API);
assertThat(res.getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));
auditLogsRule.assertExactlyOne(privilegePredicateRESTLayer(MISSING_PRIVILEGES, DUMMY_LEGACY, GET, "/" + DUMMY_PROTECTED_API));

assertOKResponseFromLegacyPlugin(client);
// check that there is no log for REST layer AuthZ since this is an unprotected endpoint
auditLogsRule.assertExactly(0, privilegePredicateRESTLayer(GRANTED_PRIVILEGES, DUMMY_LEGACY, GET, DUMMY_API));
// check that there is exactly 1 message for Transport Layer privilege evaluation
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(GRANTED_PRIVILEGES, DUMMY_LEGACY, "DummyRequest", "cluster:admin/dummy_plugin/dummy")
);
}

// DUMMY_REST_ONLY should have access to legacy endpoint (protected endpoint already tested above)
try (TestRestClient client = cluster.getRestClient(DUMMY_REST_ONLY)) {
assertOKResponseFromLegacyPlugin(client);
auditLogsRule.assertExactly(0, privilegePredicateRESTLayer(GRANTED_PRIVILEGES, DUMMY_REST_ONLY, GET, DUMMY_API));
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(GRANTED_PRIVILEGES, DUMMY_REST_ONLY, "DummyRequest", "cluster:admin/dummy_plugin/dummy")
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);
}

// DUMMY_WITH_TRANSPORT_PERM should have access to legacy endpoint (protected endpoint already tested above)
try (TestRestClient client = cluster.getRestClient(DUMMY_WITH_TRANSPORT_PERM)) {
assertOKResponseFromLegacyPlugin(client);
auditLogsRule.assertExactly(0, privilegePredicateRESTLayer(GRANTED_PRIVILEGES, DUMMY_WITH_TRANSPORT_PERM, GET, DUMMY_API));
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(
GRANTED_PRIVILEGES,
DUMMY_WITH_TRANSPORT_PERM,
"DummyRequest",
"cluster:admin/dummy_plugin/dummy"
)
);
}

// DUMMY_NO_PERM should not have access to legacy endpoint (protected endpoint already tested above)
try (TestRestClient client = cluster.getRestClient(DUMMY_NO_PERM)) {
assertThat(client.get(DUMMY_API).getStatusCode(), equalTo(HttpStatus.SC_FORBIDDEN));
auditLogsRule.assertExactly(0, privilegePredicateRESTLayer(MISSING_PRIVILEGES, DUMMY_NO_PERM, GET, DUMMY_API));
auditLogsRule.assertExactlyOne(
privilegePredicateTransportLayer(MISSING_PRIVILEGES, DUMMY_NO_PERM, "DummyRequest", "cluster:admin/dummy_plugin/dummy")
);
}

// DUMMY_UNREGISTERED should not have access to legacy endpoint (protected endpoint already tested above)
try (TestRestClient client = cluster.getRestClient(DUMMY_UNREGISTERED)) {
assertThat(client.get(DUMMY_API).getStatusCode(), equalTo(HttpStatus.SC_UNAUTHORIZED));
auditLogsRule.assertExactly(0, privilegePredicateRESTLayer(MISSING_PRIVILEGES, DUMMY_UNREGISTERED, GET, DUMMY_API));
auditLogsRule.assertExactly(
0,
privilegePredicateTransportLayer(MISSING_PRIVILEGES, DUMMY_UNREGISTERED, "DummyRequest", "cluster:admin/dummy_plugin/dummy")
);
auditLogsRule.assertExactly(0, privilegePredicateRESTLayer(FAILED_LOGIN, DUMMY_UNREGISTERED, GET, DUMMY_API));
}
}

/** Helper Methods */
private void assertOKResponseFromLegacyPlugin(TestRestClient client) {
String expectedResponseFromLegacyPlugin = "{\"response_string\":\"Hello from dummy plugin\"}";
TestRestClient.HttpResponse res = client.get(DUMMY_API);
assertThat(res.getStatusCode(), equalTo(HttpStatus.SC_OK));
assertThat(res.getBody(), equalTo(expectedResponseFromLegacyPlugin));
}

private void assertOKResponseFromProtectedPlugin(TestRestClient client) {
String expectedResponseFromProtectedPlugin = "{\"response_string\":\"Hello from dummy protected plugin\"}";
TestRestClient.HttpResponse res = client.get(DUMMY_PROTECTED_API);
assertThat(res.getStatusCode(), equalTo(HttpStatus.SC_OK));
assertThat(res.getBody(), equalTo(expectedResponseFromProtectedPlugin));
}
}
50 changes: 18 additions & 32 deletions src/integrationTest/java/org/opensearch/security/rest/WhoAmITests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -18,9 +18,6 @@
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.opensearch.rest.RestRequest;
import org.opensearch.security.auditlog.AuditLog;
import org.opensearch.security.auditlog.impl.AuditCategory;
import org.opensearch.security.auditlog.impl.AuditMessage;
import org.opensearch.test.framework.AuditCompliance;
import org.opensearch.test.framework.AuditConfiguration;
Expand All @@ -47,12 +44,13 @@
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.lessThan;
import static org.junit.Assert.assertTrue;
import static org.opensearch.rest.RestRequest.Method.GET;
import static org.opensearch.security.auditlog.impl.AuditCategory.GRANTED_PRIVILEGES;
import static org.opensearch.security.auditlog.impl.AuditCategory.MISSING_PRIVILEGES;
import static org.opensearch.test.framework.TestSecurityConfig.AuthcDomain.AUTHC_HTTPBASIC_INTERNAL;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.auditPredicate;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.grantedPrivilege;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.userAuthenticated;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.privilegePredicateRESTLayer;
import static org.opensearch.test.framework.audit.AuditMessagePredicate.userAuthenticatedPredicate;

@RunWith(com.carrotsearch.randomizedtesting.RandomizedRunner.class)
@ThreadLeakScope(ThreadLeakScope.Scope.NONE)
Expand Down Expand Up @@ -102,8 +100,8 @@ public void testWhoAmIWithGetPermissions() {
assertResponse(client.get(WHOAMI_PROTECTED_ENDPOINT), HttpStatus.SC_OK, expectedAuthorizedBody);

// audit log, named route
assertExactlyOneAuthenticatedLogMessage(WHO_AM_I);
assertExactlyOnePrivilegeEvaluationMessage(GRANTED_PRIVILEGES, WHO_AM_I);
auditLogsRule.assertExactlyOne(userAuthenticatedPredicate(WHO_AM_I, GET, "/" + WHOAMI_PROTECTED_ENDPOINT));
auditLogsRule.assertExactlyOne(privilegePredicateRESTLayer(GRANTED_PRIVILEGES, WHO_AM_I, GET, "/" + WHOAMI_PROTECTED_ENDPOINT));

assertResponse(client.get(WHOAMI_ENDPOINT), HttpStatus.SC_OK, expectedAuthorizedBody);
}
Expand All @@ -115,8 +113,10 @@ public void testWhoAmIWithGetPermissionsLegacy() {
assertResponse(client.get(WHOAMI_PROTECTED_ENDPOINT), HttpStatus.SC_OK, expectedAuthorizedBody);

// audit log, named route
assertExactlyOneAuthenticatedLogMessage(WHO_AM_I_LEGACY);
assertExactlyOnePrivilegeEvaluationMessage(GRANTED_PRIVILEGES, WHO_AM_I_LEGACY);
auditLogsRule.assertExactlyOne(userAuthenticatedPredicate(WHO_AM_I_LEGACY, GET, "/" + WHOAMI_PROTECTED_ENDPOINT));
auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(GRANTED_PRIVILEGES, WHO_AM_I_LEGACY, GET, "/" + WHOAMI_PROTECTED_ENDPOINT)
);

assertResponse(client.get(WHOAMI_ENDPOINT), HttpStatus.SC_OK, expectedAuthorizedBody);
}
Expand All @@ -127,8 +127,10 @@ public void testWhoAmIWithoutGetPermissions() {
try (TestRestClient client = cluster.getRestClient(WHO_AM_I_NO_PERM)) {
assertResponse(client.get(WHOAMI_PROTECTED_ENDPOINT), HttpStatus.SC_UNAUTHORIZED, expectedUnuauthorizedBody);
// audit log, named route
assertExactlyOneAuthenticatedLogMessage(WHO_AM_I_NO_PERM);
assertExactlyOnePrivilegeEvaluationMessage(MISSING_PRIVILEGES, WHO_AM_I_NO_PERM);
auditLogsRule.assertExactlyOne(userAuthenticatedPredicate(WHO_AM_I_NO_PERM, GET, "/" + WHOAMI_PROTECTED_ENDPOINT));
auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(MISSING_PRIVILEGES, WHO_AM_I_NO_PERM, GET, "/" + WHOAMI_PROTECTED_ENDPOINT)
);

assertResponse(client.get(WHOAMI_ENDPOINT), HttpStatus.SC_OK, expectedAuthorizedBody);
}
Expand All @@ -152,13 +154,17 @@ public void testWhoAmIPost() {
assertThat(client.post(WHOAMI_ENDPOINT).getStatusCode(), equalTo(HttpStatus.SC_OK));
}

// No audit logs generated because `/whoami` is passthrough at Transport Layer, and POST route is not a NamedRoute
auditLogsRule.assertAuditLogsCount(0, 0);
}

@Test
public void testAuditLogSimilarityWithTransportLayer() {
try (TestRestClient client = cluster.getRestClient(AUDIT_LOG_VERIFIER)) {
assertResponse(client.get(WHOAMI_PROTECTED_ENDPOINT), HttpStatus.SC_OK, expectedAuthorizedBody);
assertExactlyOnePrivilegeEvaluationMessage(GRANTED_PRIVILEGES, AUDIT_LOG_VERIFIER);
auditLogsRule.assertExactlyOne(
privilegePredicateRESTLayer(GRANTED_PRIVILEGES, AUDIT_LOG_VERIFIER, GET, "/" + WHOAMI_PROTECTED_ENDPOINT)
);
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assertThat(client.get("_cat/indices").getStatusCode(), equalTo(HttpStatus.SC_OK));

Expand All @@ -179,26 +185,6 @@ private void assertResponse(TestRestClient.HttpResponse response, int expectedSt
assertThat(response.getBody(), equalTo(expectedBody));
}

private void assertExactlyOneAuthenticatedLogMessage(TestSecurityConfig.User user) {
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Just wanna confirm, we are removing this since we are switching to use the audit log for capturing all the log msgs?

auditLogsRule.assertExactly(
1,
userAuthenticated(user).withLayer(AuditLog.Origin.REST)
.withRestMethod(RestRequest.Method.GET)
.withRequestPath("/" + WhoAmITests.WHOAMI_PROTECTED_ENDPOINT)
.withInitiatingUser(user)
);
}

private void assertExactlyOnePrivilegeEvaluationMessage(AuditCategory privileges, TestSecurityConfig.User user) {
auditLogsRule.assertExactly(
1,
auditPredicate(privileges).withLayer(AuditLog.Origin.REST)
.withRestMethod(RestRequest.Method.GET)
.withRequestPath("/" + WhoAmITests.WHOAMI_PROTECTED_ENDPOINT)
.withEffectiveUser(user)
);
}

private void verifyAuditLogSimilarity(List<AuditMessage> currentTestAuditMessages) {
List<AuditMessage> restSet = new ArrayList<>();
List<AuditMessage> transportSet = new ArrayList<>();
Expand Down
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