package org.apache.archiva.webdav.util;
   
   /*
    * 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.
   */
  
  
  import org.apache.archiva.security.common.ArchivaRoleConstants;
  import org.apache.commons.lang.StringUtils;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Locale;
  
  /**
   * WebdavMethodUtil
   *
   */
  public class WebdavMethodUtil
  {
      private static final List<String> READ_METHODS;
  
      static
      {
          READ_METHODS = new ArrayList<>( 5 );
          READ_METHODS.add( "HEAD" );
          READ_METHODS.add( "GET" );
          READ_METHODS.add( "PROPFIND" );
          READ_METHODS.add( "OPTIONS" );
          READ_METHODS.add( "REPORT" );
      }
  
      public static String getMethodPermission( String method )
      {
          if ( StringUtils.isBlank( method ) )
          {
              throw new IllegalArgumentException( "WebDAV method is empty" );
          }
          if ( READ_METHODS.contains( method.toUpperCase( Locale.US ) ) )
          {
              return ArchivaRoleConstants.OPERATION_REPOSITORY_ACCESS;
          }
          else if ( "DELETE".equals( method.toUpperCase( Locale.US ) ) )
          {
              return ArchivaRoleConstants.OPERATION_REPOSITORY_DELETE;
          }
          else
          {
              return ArchivaRoleConstants.OPERATION_REPOSITORY_UPLOAD;
          }
      }
  
      public static boolean isReadMethod( String method )
      {
          if ( StringUtils.isBlank( method ) )
          {
              throw new IllegalArgumentException( "WebDAV method is empty" );
          }
          return READ_METHODS.contains( method.toUpperCase( Locale.US ) );
      }
  }