/*******************************************************************************
*Copyright (c) 2009 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, only version 3 of the License.
*
*
* This file is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Please contact Eucalyptus Systems, Inc., 130 Castilian
* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
* if you need additional information or have any questions.
*
* This file may incorporate work covered under the following copyright and
* permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
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*******************************************************************************/
/*
* Author: chris grzegorczyk <grze@eucalyptus.com>
*/
package com.eucalyptus.ws.util;
import java.util.List;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.handler.codec.frame.TooLongFrameException;
import org.jboss.netty.handler.codec.http.HttpMethod;
import com.eucalyptus.ws.HttpException;
import com.google.common.collect.Lists;
public class HttpUtils {
public static String readLine( ChannelBuffer buffer, int maxLineLength ) throws HttpException {
StringBuilder sb = new StringBuilder( 64 );
int lineLength = 0;
while ( true ) {
byte nextByte = buffer.readByte( );
if ( nextByte == HttpUtils.CR ) {
nextByte = buffer.readByte( );
if ( nextByte == HttpUtils.LF ) { return sb.toString( ); }
} else if ( nextByte == HttpUtils.LF ) {
return sb.toString( );
} else {
if ( lineLength >= maxLineLength ) { throw new HttpException( "HTTP input line longer than " + maxLineLength + " bytes." ); }
lineLength++;
sb.append( ( char ) nextByte );
}
}
}
private static List<String> httpVerbPrefix = Lists.newArrayList( HttpMethod.CONNECT.getName( ).substring( 0, 3 ),
HttpMethod.GET.getName( ).substring( 0, 3 ),
HttpMethod.PUT.getName( ).substring( 0, 3 ),
HttpMethod.POST.getName( ).substring( 0, 3 ),
HttpMethod.HEAD.getName( ).substring( 0, 3 ),
HttpMethod.OPTIONS.getName( ).substring( 0, 3 ),
HttpMethod.DELETE.getName( ).substring( 0, 3 ),
HttpMethod.TRACE.getName( ).substring( 0, 3 ) );
public static boolean maybeSsl( ChannelBuffer buffer ) throws HttpException {
buffer.markReaderIndex( );
StringBuffer sb = new StringBuffer( );
for( int lineLength = 0; lineLength++ < 3; sb.append( (char) buffer.readByte() ) );
buffer.resetReaderIndex( );
return !httpVerbPrefix.contains( sb.toString( ) );
}
public static final byte SP = 32;
public static final byte HT = 9;
public static final byte CR = 13;
public static final byte EQUALS = 61;
public static final byte LF = 10;
public static final byte[] CRLF = new byte[] { CR, LF };
public static final byte COLON = 58;
public static final byte SEMICOLON = 59;
public static final byte COMMA = 44;
public static final byte DOUBLE_QUOTE = '"';
public static final String DEFAULT_CHARSET = "UTF-8";
}