/*
    * 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.logging.log4j.audit.service.config;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.List;
  
  import com.fasterxml.jackson.databind.ObjectMapper;
  
  import com.fasterxml.jackson.databind.ser.impl.SimpleFilterProvider;
  import com.jcraft.jsch.JSch;
  import com.jcraft.jsch.JSchException;
  import com.jcraft.jsch.Session;
  import com.jcraft.jsch.UserInfo;
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
  import org.apache.logging.log4j.audit.AuditLogger;
  import org.apache.logging.log4j.audit.catalog.CatalogManager;
  import org.apache.logging.log4j.audit.service.catalog.AuditCatalogManager;
  import org.apache.logging.log4j.audit.service.catalog.AuditManager;
  import org.apache.logging.log4j.audit.service.security.LocalAuthorizationInterceptor;
  import org.apache.logging.log4j.audit.util.JsonObjectMapperFactory;
  import org.apache.logging.log4j.catalog.api.dao.CatalogDao;
  import org.apache.logging.log4j.catalog.api.CatalogReader;
  import org.apache.logging.log4j.catalog.api.dao.ClassPathCatalogReader;
  import org.apache.logging.log4j.catalog.api.util.CatalogEventFilter;
  import org.apache.logging.log4j.catalog.git.dao.GitCatalogDao;
  import org.eclipse.jgit.api.TransportConfigCallback;
  import org.eclipse.jgit.transport.CredentialsProvider;
  import org.eclipse.jgit.transport.JschConfigSessionFactory;
  import org.eclipse.jgit.transport.OpenSshConfig;
  import org.eclipse.jgit.transport.SshSessionFactory;
  import org.eclipse.jgit.transport.SshTransport;
  import org.eclipse.jgit.transport.Transport;
  import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
  import org.eclipse.jgit.util.FS;
  import org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.context.MessageSource;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.ComponentScan;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.context.annotation.PropertySource;
  import org.springframework.context.support.ResourceBundleMessageSource;
  import org.springframework.http.client.ClientHttpRequestInterceptor;
  import org.springframework.http.converter.HttpMessageConverter;
  import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
  import org.springframework.scheduling.annotation.EnableScheduling;
  import org.springframework.web.servlet.ViewResolver;
  import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
  import org.springframework.web.servlet.config.annotation.EnableWebMvc;
  import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
  import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
  import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
  import org.springframework.web.servlet.view.InternalResourceViewResolver;
  import org.springframework.web.servlet.view.JstlView;
  import static org.apache.commons.lang3.StringUtils.isNotBlank;
  
  
  @Configuration
  @EnableWebMvc
  @EnableScheduling
  @ComponentScan(basePackages = {"org.apache.logging.log4j.catalog.jpa", "org.apache.logging.log4j.audit.service"})
  @PropertySource(value= " classpath:catalog-${env:}config.properties", ignoreResourceNotFound = true)
  public class WebMvcAppContext extends WebMvcConfigurerAdapter {
  
      private static final Logger LOGGER = LogManager.getLogger(WebMvcAppContext.class);
  
      @Autowired
      ConfigurationService configurationService;
  
      @Override
      public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
          configurer.enable();
      }
  
      @Override
      public void addResourceHandlers(final ResourceHandlerRegistry registry) {
          registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
          registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
      }
  
     @Override
     public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
         converters.add(jsonMessageConverter());
     }
 
 
     @Override
     public void addInterceptors(InterceptorRegistry registry) {
         registry.addInterceptor(localAuthorizationInterceptor())
                 .addPathPatterns("/api/**")
                 .excludePathPatterns("/swagger**")
                 .excludePathPatterns("/v2/api-docs**")
                 .excludePathPatterns("/configuration/security**")
                 .excludePathPatterns("/configuration/ui**")
                 .excludePathPatterns("/webjars/**");
     }
 
     @Bean
     public DefaultAdvisorAutoProxyCreator defaultAdvisorAutoProxyCreator() {
         DefaultAdvisorAutoProxyCreator proxyCreator = new DefaultAdvisorAutoProxyCreator();
         proxyCreator.setProxyTargetClass(true);
         return proxyCreator;
     }
 
     @Bean
     public ViewResolver viewResolver() {
         InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
         viewResolver.setViewClass(JstlView.class);
         viewResolver.setPrefix("/WEB-INF/views/");
         viewResolver.setSuffix(".jsp");
         return viewResolver;
     }
 
     @Bean
     public MessageSource messageSource() {
         ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
         messageSource.setBasename("messages");
         return messageSource;
     }
 
     @Bean
     public LocalAuthorizationInterceptor localAuthorizationInterceptor() {
 
         return new LocalAuthorizationInterceptor(configurationService.getAuditServiceAuthToken());
     }
 
     @Bean
     public ObjectMapper objectMapper() {
         ObjectMapper mapper = JsonObjectMapperFactory.createMapper();
         SimpleFilterProvider filterProvider = new SimpleFilterProvider();
         filterProvider.addFilter("catalogEvent", new CatalogEventFilter());
         mapper.setFilterProvider(filterProvider);
         return mapper;
     }
 
     @Bean
     public MappingJackson2HttpMessageConverter jsonMessageConverter() {
         return new MappingJackson2HttpMessageConverter(objectMapper());
     }
 
     @Bean
     public List<ClientHttpRequestInterceptor> restInterceptors() {
         return Arrays.asList(new ClientHttpRequestInterceptor[] {});
     }
 
     @Bean
     public CatalogReader catalogReader() {
         try {
             return new ClassPathCatalogReader();
         } catch (IOException ioe) {
             LOGGER.error("Unable to create ClassPathCatalogReader", ioe);
             return null;
         }
     }
 
     @Bean
     public AuditManager auditManager() {
         return new AuditCatalogManager(catalogReader());
     }
 
     @Bean
     AuditLogger auditLogger() {
         AuditLogger auditLogger = new AuditLogger();
         auditLogger.setCatalogManager(auditManager());
         return auditLogger;
     }
 
 }