/*
 *  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
 *
 *    https://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 grails.plugin.springsecurity.web.authentication

import org.springframework.security.authentication.TestingAuthenticationToken
import org.springframework.security.core.Authentication
import org.springframework.security.web.RedirectStrategy
import org.springframework.security.web.savedrequest.NullRequestCache
import org.springframework.security.web.savedrequest.RequestCache
import org.springframework.security.web.savedrequest.SavedRequest

import grails.plugin.springsecurity.AbstractUnitSpec
import grails.plugin.springsecurity.SpringSecurityUtils
import grails.plugin.springsecurity.web.SecurityRequestHolder

/**
 * @author Burt Beckwith
 */
class AjaxAwareAuthenticationSuccessHandlerSpec extends AbstractUnitSpec {

    private static final String AJAX_SUCCESS_URL = '/ajaxSuccessUrl'
    private static final String DEFAULT_TARGET_URL = '/defaultTargetUrl'

    private final AjaxAwareAuthenticationSuccessHandler handler = new AjaxAwareAuthenticationSuccessHandler()

    void setup() {
        handler.defaultTargetUrl = DEFAULT_TARGET_URL
        handler.ajaxSuccessUrl = AJAX_SUCCESS_URL

        SpringSecurityUtils.securityConfig = [ajaxHeader: 'ajaxHeader'] as ConfigObject
        SecurityRequestHolder.set request, response
    }

    void 'determineTargetUrl with Ajax'() {
        when:
        handler.requestCache = new NullRequestCache()
        handler.alwaysUseDefaultTargetUrl = true

        request.addHeader 'ajaxHeader', 'XMLHttpRequest'

        handler.onAuthenticationSuccess(request, response, new TestingAuthenticationToken('username', 'password'))

        then:
        AJAX_SUCCESS_URL == response.redirectedUrl
    }

    void 'determineTargetUrl without Ajax'() {
        when:
        handler.requestCache = new NullRequestCache()
        handler.onAuthenticationSuccess(request, response, new TestingAuthenticationToken('username', 'password'))

        then:
        DEFAULT_TARGET_URL == response.redirectedUrl
    }

    void 'onAuthenticationSuccess'() {
        when:
        Authentication authentication = new TestingAuthenticationToken('username', 'password')

        String expectedRedirect = 'expectedRedirect'
        SavedRequest savedRequest = [getRedirectUrl: { -> expectedRedirect }] as SavedRequest
        boolean removeRequestCalled = false
        handler.requestCache = [removeRequest: { req, res -> removeRequestCalled = true },
                                getRequest   : { req, res -> savedRequest }] as RequestCache
        String redirectUrl
        handler.redirectStrategy = [sendRedirect: { req, res, url -> redirectUrl = url }] as RedirectStrategy

        handler.onAuthenticationSuccess(request, response, authentication)

        then:
        removeRequestCalled
        expectedRedirect == redirectUrl
    }
}
