/*
    * 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.
   */
  package org.apache.shiro.web.filter.mgt;
  
  import org.apache.shiro.util.AntPathMatcher;
  import org.apache.shiro.web.WebTest;
  import org.apache.shiro.web.util.WebUtils;
  import org.junit.Before;
  import org.junit.Test;
  
  import javax.servlet.FilterChain;
  import javax.servlet.FilterConfig;
  import javax.servlet.ServletRequest;
  import javax.servlet.ServletResponse;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import static org.easymock.EasyMock.*;
  import static org.junit.Assert.*;
  
  /**
   * Tests for {@link org.apache.shiro.web.filter.mgt.PathMatchingFilterChainResolver}.
   *
   * @since 1.0
   */
  public class PathMatchingFilterChainResolverTest extends WebTest {
  
      private PathMatchingFilterChainResolver resolver;
  
      @Before
      public void setUp() {
          resolver = new PathMatchingFilterChainResolver();
      }
  
      @Test
      public void testNewInstance() {
          assertNotNull(resolver.getPathMatcher());
          assertTrue(resolver.getPathMatcher() instanceof AntPathMatcher);
          assertNotNull(resolver.getFilterChainManager());
          assertTrue(resolver.getFilterChainManager() instanceof DefaultFilterChainManager);
      }
  
      @Test
      public void testNewInstanceWithFilterConfig() {
          FilterConfig mock = createNiceMockFilterConfig();
          replay(mock);
          resolver = new PathMatchingFilterChainResolver(mock);
          assertNotNull(resolver.getPathMatcher());
          assertTrue(resolver.getPathMatcher() instanceof AntPathMatcher);
          assertNotNull(resolver.getFilterChainManager());
          assertTrue(resolver.getFilterChainManager() instanceof DefaultFilterChainManager);
          assertEquals(((DefaultFilterChainManager) resolver.getFilterChainManager()).getFilterConfig(), mock);
          verify(mock);
      }
  
      @Test
      public void testSetters() {
          resolver.setPathMatcher(new AntPathMatcher());
          assertNotNull(resolver.getPathMatcher());
          assertTrue(resolver.getPathMatcher() instanceof AntPathMatcher);
          resolver.setFilterChainManager(new DefaultFilterChainManager());
          assertNotNull(resolver.getFilterChainManager());
          assertTrue(resolver.getFilterChainManager() instanceof DefaultFilterChainManager);
      }
  
      @Test
      public void testGetChainsWithoutChains() {
          ServletRequest request = createNiceMock(HttpServletRequest.class);
          ServletResponse response = createNiceMock(HttpServletResponse.class);
          FilterChain chain = createNiceMock(FilterChain.class);
          FilterChain resolved = resolver.getChain(request, response, chain);
          assertNull(resolved);
      }
  
      @Test
      public void testGetChainsWithMatch() {
          HttpServletRequest request = createNiceMock(HttpServletRequest.class);
          HttpServletResponse response = createNiceMock(HttpServletResponse.class);
          FilterChain chain = createNiceMock(FilterChain.class);
  
          //ensure at least one chain is defined:
          resolver.getFilterChainManager().addToChain("/index.html", "authcBasic");
  
         expect(request.getServletPath()).andReturn("");
         expect(request.getPathInfo()).andReturn("/index.html");
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
     
     @Test
     public void testPathTraversalWithDot() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/index.html", "authcBasic");
 
         expect(request.getServletPath()).andReturn("/");
         expect(request.getPathInfo()).andReturn("./index.html");
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
     
     @Test
     public void testPathTraversalWithDotDot() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/index.html", "authcBasic");
         expect(request.getServletPath()).andReturn("/public/");
         expect(request.getPathInfo()).andReturn("../index.html");
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
 
     @Test
     public void testGetChainsWithoutMatch() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/index.html", "authcBasic");
 
         expect(request.getServletPath()).andReturn("/");
         expect(request.getPathInfo()).andReturn(null);
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNull(resolved);
         verify(request);
     }
 
     /**
      * Test asserting <a href="https://issues.apache.org/jira/browse/SHIRO-682">SHIRO-682<a/>.
      */
     @Test
     public void testGetChain() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/resource/book", "authcBasic");
 
         expect(request.getServletPath()).andReturn("");
         expect(request.getPathInfo()).andReturn("/resource/book");
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
 
     /**
      * Test asserting <a href="https://issues.apache.org/jira/browse/SHIRO-742">SHIRO-742<a/>.
      */
     @Test
     public void testGetChainEqualUrlSeparator() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/", "authcBasic");
 
         expect(request.getServletPath()).andReturn("/");
         expect(request.getPathInfo()).andReturn(null);
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
 
     /**
      * Test asserting <a href="https://issues.apache.org/jira/browse/SHIRO-682">SHIRO-682<a/>.
      */
     @Test
     public void testGetChainEndWithUrlSeparator() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/resource/book", "authcBasic");
 
         expect(request.getServletPath()).andReturn("");
         expect(request.getPathInfo()).andReturn("/resource/book");
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
 
     /**
      * Test asserting <a href="https://issues.apache.org/jira/browse/SHIRO-682">SHIRO-682<a/>.
      */
     @Test
     public void testGetChainEndWithMultiUrlSeparator() {
         HttpServletRequest request = createNiceMock(HttpServletRequest.class);
         HttpServletResponse response = createNiceMock(HttpServletResponse.class);
         FilterChain chain = createNiceMock(FilterChain.class);
 
         //ensure at least one chain is defined:
         resolver.getFilterChainManager().addToChain("/resource/book", "authcBasic");
 
         expect(request.getServletPath()).andReturn("");
         expect(request.getPathInfo()).andReturn("/resource/book//");
         replay(request);
 
         FilterChain resolved = resolver.getChain(request, response, chain);
         assertNotNull(resolved);
         verify(request);
     }
 }