/*
 * Copyright 2006-2011 the original author or authors.
 *
 * 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.
 */


package org.springframework.security.oauth2.provider.endpoint;

import static org.junit.Assert.assertTrue;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

import org.junit.Test;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.security.oauth2.common.util.OAuth2Utils;
import org.springframework.security.oauth2.provider.AuthorizationRequest;
import org.springframework.security.web.csrf.DefaultCsrfToken;
import org.springframework.web.servlet.ModelAndView;

/**
 * @author Dave Syer
 *
 */
public class WhitelabelApprovalEndpointTests {
	
	private WhitelabelApprovalEndpoint endpoint = new WhitelabelApprovalEndpoint();
	private Map<String, String> parameters = new HashMap<String, String>();
	private MockHttpServletRequest request = new MockHttpServletRequest();
	private MockHttpServletResponse response = new MockHttpServletResponse();

	private AuthorizationRequest createFromParameters(Map<String, String> authorizationParameters) {
		AuthorizationRequest request = new AuthorizationRequest(authorizationParameters, Collections.<String, String> emptyMap(), 
				authorizationParameters.get(OAuth2Utils.CLIENT_ID), 
				OAuth2Utils.parseParameterList(authorizationParameters.get(OAuth2Utils.SCOPE)), null,
				null, false, authorizationParameters.get(OAuth2Utils.STATE), 
				authorizationParameters.get(OAuth2Utils.REDIRECT_URI), 
				OAuth2Utils.parseParameterList(authorizationParameters.get(OAuth2Utils.RESPONSE_TYPE)));
		return request;
	}
	
	@Test
	public void testApprovalPage() throws Exception {
		request.setContextPath("/foo");
		parameters.put("client_id", "client");
		HashMap<String, Object> model = new HashMap<String, Object>();
		model.put("authorizationRequest", createFromParameters(parameters));
		ModelAndView result = endpoint.getAccessConfirmation(model, request);
		result.getView().render(result.getModel(), request , response);
		String content = response.getContentAsString();
		assertTrue("Wrong content: " + content, content.contains("<form"));
		assertTrue("Wrong content: " + content, content.contains("/foo/oauth/authorize"));
		assertTrue("Wrong content: " + content, !content.contains("${"));
		assertTrue("Wrong content: " + content, !content.contains("_csrf"));
		assertTrue("Wrong content: " + content, !content.contains("%"));
	}

	@Test
	public void testApprovalPageWithScopes() throws Exception {
		request.setContextPath("/foo");
		parameters.put("client_id", "client");
		HashMap<String, Object> model = new HashMap<String, Object>();
		model.put("authorizationRequest", createFromParameters(parameters));
		model.put("scopes", Collections.singletonMap("scope.read", "true"));
		ModelAndView result = endpoint.getAccessConfirmation(model, request);
		result.getView().render(result.getModel(), request , response);
		String content = response.getContentAsString();
		assertTrue("Wrong content: " + content, content.contains("scope.read"));
		assertTrue("Wrong content: " + content, content.contains("checked"));
		assertTrue("Wrong content: " + content, content.contains("/foo/oauth/authorize"));
		assertTrue("Wrong content: " + content, !content.contains("${"));
		assertTrue("Wrong content: " + content, !content.contains("_csrf"));
		assertTrue("Wrong content: " + content, !content.contains("%"));
	}

	@Test
	public void testApprovalPageWithCsrf() throws Exception {
		request.setContextPath("/foo");
		request.setAttribute("_csrf", new DefaultCsrfToken("X-CSRF-TOKEN", "_csrf", "FOO"));
		parameters.put("client_id", "client");
		HashMap<String, Object> model = new HashMap<String, Object>();
		model.put("authorizationRequest", createFromParameters(parameters));
		ModelAndView result = endpoint.getAccessConfirmation(model, request);
		result.getView().render(result.getModel(), request , response);
		String content = response.getContentAsString();
		assertTrue("Wrong content: " + content, content.contains("_csrf"));
		assertTrue("Wrong content: " + content, content.contains("/foo/oauth/authorize"));
		assertTrue("Wrong content: " + content, !content.contains("${"));
	}

}