service/src/test/java/TestKeyRotation.java

/*
 * 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.
 */

import org.apache.fineract.cn.anubis.api.v1.client.Anubis;
import org.apache.fineract.cn.anubis.api.v1.domain.ApplicationSignatureSet;
import org.apache.fineract.cn.anubis.api.v1.domain.Signature;
import org.apache.fineract.cn.api.context.AutoGuest;
import org.apache.fineract.cn.api.context.AutoSeshat;
import org.apache.fineract.cn.api.context.AutoUserContext;
import org.apache.fineract.cn.api.util.NotFoundException;
import org.apache.fineract.cn.identity.api.v1.domain.Authentication;
import org.apache.fineract.cn.test.env.TestEnvironment;
import org.junit.Assert;
import org.junit.Test;

import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @author Myrle Krantz
 */
public class TestKeyRotation extends AbstractComponentTest {
  @Test
  public void testKeyRotation() throws InterruptedException {
    final Anubis anubis = tenantApplicationSecurityEnvironment.getAnubis();

    //noinspection EmptyTryBlock
    try (final AutoUserContext ignored = loginAdmin())
    {
      //Don't do anything yet.
    }

    final String systemToken = tenantApplicationSecurityEnvironment.getSystemSecurityEnvironment().systemToken(APP_NAME);

    try (final AutoUserContext ignored1 = new AutoSeshat(systemToken)) {
      //Create a signature set then test that it is listed.
      final String timestamp = getTestSubject().createSignatureSet().getTimestamp();
      {
        final List<String> signatureSets = anubis.getAllSignatureSets();
        Assert.assertTrue(signatureSets.contains(timestamp));
      }


      final Authentication adminAuthenticationOnFirstKeyset;
      try (final AutoUserContext ignored2 = new AutoGuest()) {
        adminAuthenticationOnFirstKeyset = getTestSubject().login(ADMIN_IDENTIFIER, TestEnvironment.encodePassword(ADMIN_PASSWORD));
      }

      Assert.assertTrue(canAccessResources(adminAuthenticationOnFirstKeyset));

      //For identity, application signature and identity manager signature should be identical.
      final ApplicationSignatureSet signatureSet = anubis.getSignatureSet(timestamp);
      Assert.assertEquals(signatureSet.getApplicationSignature(), signatureSet.getIdentityManagerSignature());

      final Signature applicationSignature = anubis.getApplicationSignature(timestamp);
      Assert.assertEquals(signatureSet.getApplicationSignature(), applicationSignature);

      TimeUnit.SECONDS.sleep(2); //Timestamp has resolution at seconds level -- Make sure that second signature set has different timestamp from the first one.

      //Create a second signature set and test that it and the previous signature set are listed.
      final String timestamp2 = getTestSubject().createSignatureSet().getTimestamp();
      {
        final List<String> signatureSets = anubis.getAllSignatureSets();
        Assert.assertTrue(signatureSets.contains(timestamp));
        Assert.assertTrue(signatureSets.contains(timestamp2));
      }

      final Authentication adminAuthenticationOnSecondKeyset;
      try (final AutoUserContext ignored2 = new AutoGuest()) {
        adminAuthenticationOnSecondKeyset = getTestSubject().login(ADMIN_IDENTIFIER, TestEnvironment
            .encodePassword(ADMIN_PASSWORD));
      }

      Assert.assertTrue(canAccessResources(adminAuthenticationOnFirstKeyset));
      Assert.assertTrue(canAccessResources(adminAuthenticationOnSecondKeyset));

      //Get the newly created signature set, and test that its contents are correct.
      final ApplicationSignatureSet signatureSet2 = anubis.getSignatureSet(timestamp2);
      Assert.assertEquals(signatureSet2.getApplicationSignature(), signatureSet2.getIdentityManagerSignature());

      //Delete one of the signature sets and test that it is no longer listed.
      anubis.deleteSignatureSet(timestamp);
      {
        final List<String> signatureSets = anubis.getAllSignatureSets();
        Assert.assertFalse(signatureSets.contains(timestamp));
        Assert.assertTrue(signatureSets.contains(timestamp2));
      }

      Assert.assertTrue(canAccessResources(adminAuthenticationOnSecondKeyset));
      Assert.assertFalse(canAccessResources(adminAuthenticationOnFirstKeyset));

      //Getting the newly deleted signature set should fail.
      try {
        anubis.getSignatureSet(timestamp);
        Assert.fail("Not found exception should be thrown.");
      } catch (final NotFoundException ignored) {
      }

      //Getting the newly deleted application signature set should likewise fail.
      try {
        anubis.getApplicationSignature(timestamp);
        Assert.fail("Not found exception should be thrown.");
      } catch (final NotFoundException ignored) {
      }
    }
  }

  private boolean canAccessResources(final Authentication adminAuthentication) {
    try (final AutoUserContext ignored = new AutoUserContext(ADMIN_IDENTIFIER, adminAuthentication.getAccessToken())) {
      getTestSubject().getUsers();
      return true;
    }
    catch (Throwable ignored) {
      return false;
    }
  }
}