/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.aai.auth;

import org.junit.Before;
import org.junit.Test;
import org.onap.aai.AAISetup;
import org.onap.aai.auth.exceptions.AAIUnrecognizedFunctionException;

import static org.junit.Assert.*;

public class AAIAuthCoreTest extends AAISetup {

	private AAIAuthCore authCore;

	@Before
	public void setup(){
	    authCore = new AAIAuthCore("/aai");
	}

	@Test
	public void getAuthPolicyFunctionNameTest() {

		String uri = "/aai/v3/search/edge-tag-query";
		assertEquals("Get aai function name from " + uri, "search", authCore.getAuthPolicyFunctName(uri));
		
		uri = "/aai/v10/search/edge-tag-query";
		assertEquals("Get aai function name from " + uri, "search", authCore.getAuthPolicyFunctName(uri));

		uri = "/aai/search/model";
		assertEquals("Get aai function name from " + uri, "search", authCore.getAuthPolicyFunctName(uri));
		
		uri = "/aai/v9/cloud-infrastructure/cloud-regions/cloud-region/somecloudregion/some-cloud-owner";
		assertEquals("Get aai function name from " + uri, "cloud-infrastructure", authCore.getAuthPolicyFunctName(uri));
		
		uri = "/aai/v8/network/pnfs/pnf/ff4ca01orc/p-interfaces";
		assertEquals("Get aai function name from " + uri, "network", authCore.getAuthPolicyFunctName(uri));

		uri = "/aai/util/echo";
		assertEquals("Get aai function name from " + uri, "util", authCore.getAuthPolicyFunctName(uri));

		uri = "/aai/tools";
		assertEquals("Get aai function name from " + uri, "tools", authCore.getAuthPolicyFunctName(uri));

		uri = "/aai/v12/bulk/single-transaction";
		assertEquals("Get aai function name from " + uri, "bulk", authCore.getAuthPolicyFunctName(uri));

	}

	@Test
	public void validUsernameAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("testUser".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", ""));
	}

	@Test
	public void validUsernameInvalidHttpMethodAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("testUser".toLowerCase(), "/aai/v0/testFunction/someUri", "POST", ""));
	}

	@Test(expected = AAIUnrecognizedFunctionException.class)
	public void validUsernameInvalidFunctionInURIAuthTest() throws AAIUnrecognizedFunctionException {
		authCore.authorize("testUser".toLowerCase(), "/aai/v0/badFunction/someUri", "PUT", "");
	}

	@Test
	public void invalidUsernameAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("invlaidTestUser".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", ""));
	}

	@Test
	public void validUsernameIsTheExactWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("testWildcardId".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", ""));
	}

	@Test
	public void validUsernameContainsTheWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("cn=blah, testWildcardId, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "", "aafWildCardIssuer"));
	}

	@Test
	public void validUsernameContainsTheWildcardIdInvalidIssuerAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, testWildcardId, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "", "invalidIssuer"));
	}

	@Test
	public void invalidUsernameContainsRegularUsernameAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, testUser, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", ""));
	}

	@Test
	public void haProxyUsernameAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/util/echo", "GET", ""));
	}

	@Test
	public void haProxyUsernameInvalidFunctionAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", ""));
	}

	@Test
	public void validUsernameViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "testUser".toLowerCase()));
	}

	@Test
	public void validUsernameInvalidHttpMethodViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "POST", "testUser".toLowerCase()));
	}

	@Test(expected = AAIUnrecognizedFunctionException.class)
	public void validUsernameInvalidFunctionInURIViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/badFunction/someUri", "PUT", "testUser".toLowerCase());
	}

	@Test
	public void invalidUsernameViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "invlaidTestUser".toLowerCase()));
	}

	@Test
	public void validUsernameIsTheExactWildcardIdViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "testWildcardId".toLowerCase()));
	}

	@Test
	public void validUsernameContainsTheWildcardIdViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "cn=blah, testWildcardId, O=".toLowerCase(), "aafWildCardIssuer"));
	}

	@Test
	public void invalidUsernameContainsRegularUsernameViaHaProxyAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "cn=blah, testUser, O=".toLowerCase()));
	}

	@Test
	public void haProxyUsernameTwiceAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("ha-proxy-user".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "ha-proxy-user".toLowerCase()));
	}


	@Test
	public void haProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/util/echo", "GET", "", "aafWildCardIssuer"));
	}

	@Test
	public void haProxyWildcardIdInvalidFunctionAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", ""));
	}

	@Test
	public void validUsernameViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "testUser".toLowerCase(), "aafWildCardIssuer"));
	}

	@Test
	public void validUsernameInvalidHttpMethodViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "POST", "testUser".toLowerCase()));
	}

	@Test(expected = AAIUnrecognizedFunctionException.class)
	public void validUsernameInvalidFunctionInURIViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/badFunction/someUri", "PUT", "testUser".toLowerCase());
	}

	@Test
	public void invalidUsernameViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "invlaidTestUser".toLowerCase()));
	}

	@Test
	public void validUsernameIsTheExactWildcardIdViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "testWildcardId".toLowerCase(), "aafWildCardIssuer"));
	}

	@Test
	public void validUsernameContainsTheWildcardIdViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertTrue(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "cn=blah, testWildcardId, O=".toLowerCase(), "aafWildCardIssuer"));
	}

	@Test
	public void validUsernameContainsTheWildcardIdViaHaProxyWildcardIdInvalidIssuerAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "cn=blah, testWildcardId, O=".toLowerCase(), "invalidIssuer"));
	}

	@Test
	public void invalidUsernameContainsRegularUsernameViaHaProxyWildcardIdAuthTest() throws AAIUnrecognizedFunctionException {
		assertFalse(authCore.authorize("cn=blah, ha-proxy-wildcard-id, O=".toLowerCase(), "/aai/v0/testFunction/someUri", "PUT", "cn=blah, testUser, O=".toLowerCase()));
	}

}