mirror of https://github.com/apache/maven.git
Upgrade HttpUtils from maven1
git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@162837 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Emmanuel Venisse
parent
77b3707cf9
commit
07cac37dfe
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@ -0,0 +1,386 @@
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/*
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* ====================================================================
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* Copyright 2001-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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* ====================================================================
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*/
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import java.io.ByteArrayOutputStream;
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// import org.apache.commons.logging.Log;
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// import org.apache.commons.logging.LogFactory;
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/**
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* Encode/Decode Base-64.
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*
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* @author John Casey
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*/
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public final class Base64
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{
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// private static final Log LOG = LogFactory.getLog( Base64.class );
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private static final String CRLF = System.getProperty( "line.separator" );
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private static final int LINE_END = 64;
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public static String encode( byte[] data )
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{
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return Base64.encode( data, true );
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}
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public static String encode( byte[] data, boolean useLineDelimiter )
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{
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if ( data == null )
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{
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return null;
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}
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else if ( data.length == 0 )
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{
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return "";
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}
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int padding = 3 - ( data.length % 3 );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "padding = " + padding + "characters." );
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// }
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StringBuffer buffer = new StringBuffer();
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for ( int i = 0; i < data.length; i += 3 )
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{
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "iteration base offset = " + i );
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// }
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int neutral = ( data[i] < 0 ? data[i] + 256 : data[i] );
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int block = ( neutral & 0xff );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "after first byte, block = " + Integer.toBinaryString( block ) );
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// }
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boolean inLastSegment = false;
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block <<= 8;
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if ( i + 1 < data.length )
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{
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neutral = ( data[i + 1] < 0 ? data[i + 1] + 256 : data[i + 1] );
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block |= ( neutral & 0xff );
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}
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else
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{
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inLastSegment = true;
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "after second byte, block = " + Integer.toBinaryString( block ) + "; inLastSegment = "
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// + inLastSegment );
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// }
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block <<= 8;
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if ( i + 2 < data.length )
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{
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neutral = ( data[i + 2] < 0 ? data[i + 2] + 256 : data[i + 2] );
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block |= ( neutral & 0xff );
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}
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else
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{
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inLastSegment = true;
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "after third byte, block = " + Integer.toBinaryString( block ) + "; inLastSegment = "
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// + inLastSegment );
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// }
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char[] encoded = new char[4];
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int encIdx = 0;
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encoded[0] = toBase64Char( ( block >>> 18 ) & 0x3f );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "first character = " + encoded[0] );
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// }
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encoded[1] = toBase64Char( ( block >>> 12 ) & 0x3f );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "second character = " + encoded[1] );
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// }
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if ( inLastSegment && padding > 1 )
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{
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encoded[2] = '=';
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}
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else
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{
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encoded[2] = toBase64Char( ( block >>> 6 ) & 0x3f );
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "third character = " + encoded[2] );
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// }
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if ( inLastSegment && padding > 0 )
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{
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encoded[3] = '=';
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}
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else
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{
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encoded[3] = toBase64Char( block & 0x3f );
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "fourth character = " + encoded[3] );
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// }
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buffer.append( encoded );
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}
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if ( useLineDelimiter )
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{
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return canonicalize( buffer.toString() );
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}
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else
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{
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return buffer.toString();
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}
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}
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public static byte[] decode( String src )
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{
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return Base64.decode( src, true );
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}
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public static byte[] decode( String src, boolean useLineDelimiter )
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{
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if ( src == null )
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{
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return null;
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}
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else if ( src.length() < 1 )
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{
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return new byte[0];
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "pre-canonicalization = \n" + src );
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// }
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String data = src;
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if ( useLineDelimiter )
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{
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data = deCanonicalize( src );
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "post-canonicalization = \n" + data );
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// }
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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char[] input = data.toCharArray();
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int index = 0;
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for ( int i = 0; i < input.length; i += 4 )
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{
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "iteration base offset = " + i );
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// }
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int block = ( toBase64Int( input[i] ) & 0x3f );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "block after first char [" + input[i] + "] = " + Integer.toBinaryString( block ) );
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// }
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block <<= 6;
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block |= ( toBase64Int( input[i + 1] ) & 0x3f );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "block after second char [" + input[i + 1] + "] = " + Integer.toBinaryString( block ) );
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// }
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boolean inPadding = false;
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boolean twoCharPadding = false;
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block <<= 6;
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if ( input[i + 2] != '=' )
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{
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block |= ( toBase64Int( input[i + 2] ) & 0x3f );
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}
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else
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{
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twoCharPadding = true;
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inPadding = true;
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "block after third char [" + input[i + 2] + "] = " + Integer.toBinaryString( block ) );
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// }
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block <<= 6;
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if ( input[i + 3] != '=' )
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{
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block |= ( toBase64Int( input[i + 3] ) & 0x3f );
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}
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else
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{
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inPadding = true;
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}
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "block after fourth char [" + input[i + 3] + "] = " + Integer.toBinaryString( block ) );
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// }
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baos.write( ( block >>> 16 ) & 0xff );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "byte[" + ( index++ ) + "] = " + ( ( block >>> 16 ) & 0xff ) );
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// }
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if ( !inPadding || !twoCharPadding )
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{
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baos.write( ( block >>> 8 ) & 0xff );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "byte[" + ( index++ ) + "] = " + ( ( block >>> 8 ) & 0xff ) );
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// }
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}
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if ( !inPadding )
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{
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baos.write( block & 0xff );
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "byte[" + ( index++ ) + "] = " + ( block & 0xff ) );
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// }
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}
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}
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byte[] result = baos.toByteArray();
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// if ( LOG.isDebugEnabled() )
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// {
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// LOG.debug( "byte array is " + result.length + " bytes long." );
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// }
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return result;
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}
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private static char toBase64Char( int input )
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{
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if ( input > -1 && input < 26 )
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{
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return ( char ) ( 'A' + input );
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}
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else if ( input > 25 && input < 52 )
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{
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return ( char ) ( 'a' + input - 26 );
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}
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else if ( input > 51 && input < 62 )
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{
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return ( char ) ( '0' + input - 52 );
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}
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else if ( input == 62 )
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{
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return '+';
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}
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else if ( input == 63 )
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{
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return '/';
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}
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else
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{
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return '?';
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}
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}
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private static int toBase64Int( char input )
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{
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if ( input >= 'A' && input <= 'Z' )
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{
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return input - 'A';
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}
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else if ( input >= 'a' && input <= 'z' )
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{
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return input + 26 - 'a';
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}
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else if ( input >= '0' && input <= '9' )
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{
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return input + 52 - '0';
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}
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else if ( input == '+' )
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{
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return 62;
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}
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else if ( input == '/' )
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{
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return 63;
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}
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else
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{
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return 0;
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}
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}
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private static String deCanonicalize( String data )
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{
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if ( data == null )
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{
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return null;
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}
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StringBuffer buffer = new StringBuffer( data.length() );
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for ( int i = 0; i < data.length(); i++ )
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{
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char c = data.charAt( i );
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if ( c != '\r' && c != '\n' )
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{
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buffer.append( c );
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}
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}
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return buffer.toString();
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}
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private static String canonicalize( String data )
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{
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StringBuffer buffer = new StringBuffer( ( int ) ( data.length() * 1.1 ) );
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int col = 0;
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for ( int i = 0; i < data.length(); i++ )
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{
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if ( col == LINE_END )
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{
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buffer.append( CRLF );
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col = 0;
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}
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buffer.append( data.charAt( i ) );
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col++;
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}
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buffer.append( CRLF );
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return buffer.toString();
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}
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}
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@ -1,4 +1,22 @@
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/* ====================================================================
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* Copyright 2001-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
|
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* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
||||
* 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.
|
||||
* ====================================================================
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*/
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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@ -8,8 +26,31 @@
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import java.net.URL;
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import java.net.URLConnection;
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/**
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* Http utils for retrieving files.
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*
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* @author costin@dnt.ro
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* @author gg@grtmail.com (Added Java 1.1 style HTTP basic auth)
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* @author <a href="mailto:jason@zenplex.com">Jason van Zyl</a>
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*
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* @todo Need to add a timeout so we can flip to a backup repository.
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* @todo Download everything in a single session.
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* @todo Throw meaningful exception when authentication fails.
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*/
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public class HttpUtils
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{
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/**
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* Use a proxy to bypass the firewall with or without authentication
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*
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* @param proxyHost Proxy Host (if proxy is required), or null
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* @param proxyPort Proxy Port (if proxy is required), or null
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* @param proxyUserName Proxy Username (if authentification is required),
|
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* or null
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* @param proxyPassword Proxy Password (if authentification is required),
|
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* or null
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* @throws SecurityException if an operation is not authorized by the
|
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* SecurityManager
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*/
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public static void useProxyUser( final String proxyHost,
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final String proxyPort,
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final String proxyUserName,
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@ -35,6 +76,26 @@ protected PasswordAuthentication getPasswordAuthentication()
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}
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}
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/**
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* Retrieve a remote file. Throws an Exception on errors unless the
|
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* ifnoreErrors flag is set to True
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*
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* @param url the of the file to retrieve
|
||||
* @param destinationFile where to store it
|
||||
* @param ignoreErrors whether to ignore errors during I/O or throw an
|
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* exception when they happen
|
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* @param useTimestamp whether to check the modified timestamp on the
|
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* <code>destinationFile</code> against the remote <code>source</code>
|
||||
* @param proxyHost Proxy Host (if proxy is required), or null
|
||||
* @param proxyPort Proxy Port (if proxy is required), or null
|
||||
* @param proxyUserName Proxy Username (if authentification is required),
|
||||
* or null.
|
||||
* @param proxyPassword Proxy Password (if authentification is required),
|
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* or null.
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* @param useChecksum Flag to indicate the use of the checksum for the retrieved
|
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* artifact if it is available.
|
||||
* @throws IOException If an I/O exception occurs.
|
||||
*/
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public static void getFile( String url,
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File destinationFile,
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boolean ignoreErrors,
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|
|
@ -44,7 +105,7 @@ public static void getFile( String url,
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String proxyUserName,
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String proxyPassword,
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boolean useChecksum )
|
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throws Exception
|
||||
throws IOException
|
||||
{
|
||||
// Get the requested file.
|
||||
getFile( url,
|
||||
|
|
@ -80,6 +141,24 @@ public static void getFile( String url,
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve a remote file. Throws an Exception on errors unless the
|
||||
* ifnoreErrors flag is set to True
|
||||
*
|
||||
* @param url the of the file to retrieve
|
||||
* @param destinationFile where to store it
|
||||
* @param ignoreErrors whether to ignore errors during I/O or throw an
|
||||
* exception when they happen
|
||||
* @param useTimestamp whether to check the modified timestamp on the
|
||||
* <code>destinationFile</code> against the remote <code>source</code>
|
||||
* @param proxyHost Proxy Host (if proxy is required), or null
|
||||
* @param proxyPort Proxy Port (if proxy is required), or null
|
||||
* @param proxyUserName Proxy Username (if authentification is required),
|
||||
* or null
|
||||
* @param proxyPassword Proxy Password (if authentification is required),
|
||||
* or null
|
||||
* @throws IOException If an I/O exception occurs.
|
||||
*/
|
||||
public static void getFile( String url,
|
||||
File destinationFile,
|
||||
boolean ignoreErrors,
|
||||
|
|
@ -88,7 +167,58 @@ public static void getFile( String url,
|
|||
String proxyPort,
|
||||
String proxyUserName,
|
||||
String proxyPassword )
|
||||
throws Exception
|
||||
throws IOException
|
||||
{
|
||||
//set the timestamp to the file date.
|
||||
long timestamp = -1;
|
||||
if ( useTimestamp && destinationFile.exists() )
|
||||
{
|
||||
timestamp = destinationFile.lastModified();
|
||||
}
|
||||
|
||||
try
|
||||
{
|
||||
getFile( url,
|
||||
destinationFile,
|
||||
timestamp,
|
||||
proxyHost,
|
||||
proxyPort,
|
||||
proxyUserName,
|
||||
proxyPassword );
|
||||
}
|
||||
catch ( IOException ex )
|
||||
{
|
||||
if ( !ignoreErrors )
|
||||
{
|
||||
throw ex;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieve a remote file.
|
||||
*
|
||||
* @param url the URL of the file to retrieve
|
||||
* @param destinationFile where to store it
|
||||
* @param timestamp if provided, the remote URL is only retrieved if it was
|
||||
* modified more recently than timestamp. Otherwise, negative value indicates that
|
||||
* the remote URL should be retrieved unconditionally.
|
||||
* @param proxyHost Proxy Host (if proxy is required), or null
|
||||
* @param proxyPort Proxy Port (if proxy is required), or null
|
||||
* @param proxyUserName Proxy Username (if authentification is required),
|
||||
* or null
|
||||
* @param proxyPassword Proxy Password (if authentification is required),
|
||||
* or null
|
||||
* @throws IOException If an I/O exception occurs.
|
||||
*/
|
||||
public static void getFile( String url,
|
||||
File destinationFile,
|
||||
long timestamp,
|
||||
String proxyHost,
|
||||
String proxyPort,
|
||||
String proxyUserName,
|
||||
String proxyPassword )
|
||||
throws IOException
|
||||
{
|
||||
String[] s = parseUrl( url );
|
||||
String username = s[0];
|
||||
|
|
@ -97,23 +227,14 @@ public static void getFile( String url,
|
|||
|
||||
URL source = new URL( parsedUrl );
|
||||
|
||||
//set the timestamp to the file date.
|
||||
long timestamp = 0;
|
||||
boolean hasTimestamp = false;
|
||||
if ( useTimestamp && destinationFile.exists() )
|
||||
{
|
||||
timestamp = destinationFile.lastModified();
|
||||
hasTimestamp = true;
|
||||
}
|
||||
|
||||
//set proxy connection
|
||||
useProxyUser( proxyHost, proxyPort, proxyUserName, proxyPassword );
|
||||
|
||||
//set up the URL connection
|
||||
URLConnection connection = source.openConnection();
|
||||
|
||||
//modify the headers
|
||||
//NB: things like user authentication could go in here too.
|
||||
if ( useTimestamp && hasTimestamp )
|
||||
if ( timestamp >= 0 )
|
||||
{
|
||||
connection.setIfModifiedSince( timestamp );
|
||||
}
|
||||
|
|
@ -121,22 +242,7 @@ public static void getFile( String url,
|
|||
if ( username != null || password != null )
|
||||
{
|
||||
String up = username + ":" + password;
|
||||
String encoding = null;
|
||||
// check to see if sun's Base64 encoder is available.
|
||||
try
|
||||
{
|
||||
sun.misc.BASE64Encoder encoder =
|
||||
(sun.misc.BASE64Encoder) Class.forName(
|
||||
"sun.misc.BASE64Encoder" ).newInstance();
|
||||
|
||||
encoding = encoder.encode( up.getBytes() );
|
||||
}
|
||||
catch ( Exception ex )
|
||||
{
|
||||
// Do nothing, as for MavenSession we will never use
|
||||
// auth and we will eventually move over httpclient
|
||||
// in the commons.
|
||||
}
|
||||
String encoding = Base64.encode(up.getBytes(), false);
|
||||
connection.setRequestProperty( "Authorization", "Basic " + encoding );
|
||||
}
|
||||
|
||||
|
|
@ -146,6 +252,14 @@ public static void getFile( String url,
|
|||
if ( connection instanceof HttpURLConnection )
|
||||
{
|
||||
HttpURLConnection httpConnection = (HttpURLConnection) connection;
|
||||
// although HTTPUrlConnection javadocs says FileNotFoundException should be
|
||||
// thrown on a 404 error, that certainly does not appear to be the case, so
|
||||
// test for 404 ourselves, and throw FileNotFoundException as needed
|
||||
if ( httpConnection.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND)
|
||||
{
|
||||
throw new FileNotFoundException(url.toString() + " (HTTP Error: "
|
||||
+ httpConnection.getResponseCode() + " " + httpConnection.getResponseMessage() + ")");
|
||||
}
|
||||
if ( httpConnection.getResponseCode() == HttpURLConnection.HTTP_NOT_MODIFIED )
|
||||
{
|
||||
return;
|
||||
|
|
@ -153,7 +267,12 @@ public static void getFile( String url,
|
|||
// test for 401 result (HTTP only)
|
||||
if ( httpConnection.getResponseCode() == HttpURLConnection.HTTP_UNAUTHORIZED )
|
||||
{
|
||||
throw new Exception( "Not authorized." );
|
||||
throw new IOException( "Not authorized." );
|
||||
}
|
||||
// test for 407 result (HTTP only)
|
||||
if ( httpConnection.getResponseCode() == HttpURLConnection.HTTP_PROXY_AUTH )
|
||||
{
|
||||
throw new IOException( "Not authorized by proxy." );
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -163,6 +282,7 @@ public static void getFile( String url,
|
|||
// Some protocols (FTP) dont include dates, of course.
|
||||
|
||||
InputStream is = null;
|
||||
IOException isException = null;
|
||||
for ( int i = 0; i < 3; i++ )
|
||||
{
|
||||
try
|
||||
|
|
@ -172,18 +292,18 @@ public static void getFile( String url,
|
|||
}
|
||||
catch ( IOException ex )
|
||||
{
|
||||
// do nothing
|
||||
isException = ex;
|
||||
}
|
||||
}
|
||||
if ( is == null )
|
||||
{
|
||||
if ( ignoreErrors )
|
||||
{
|
||||
return;
|
||||
throw isException;
|
||||
}
|
||||
|
||||
// This will never happen with maven's use of this class.
|
||||
throw new Exception( "Can't get " + destinationFile.getName() + " to " + destinationFile );
|
||||
if ( connection.getLastModified() <= timestamp &&
|
||||
connection.getLastModified() != 0 )
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
FileOutputStream fos = new FileOutputStream( destinationFile );
|
||||
|
|
@ -204,10 +324,9 @@ public static void getFile( String url,
|
|||
// if (and only if) the use file time option is set, then the
|
||||
// saved file now has its timestamp set to that of the downloaded
|
||||
// file
|
||||
if ( useTimestamp )
|
||||
if ( timestamp >= 0 )
|
||||
{
|
||||
long remoteTimestamp = connection.getLastModified();
|
||||
|
||||
if ( remoteTimestamp != 0 )
|
||||
{
|
||||
touchFile( destinationFile, remoteTimestamp );
|
||||
|
|
@ -215,6 +334,15 @@ public static void getFile( String url,
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse an url which might contain a username and password. If the
|
||||
* given url doesn't contain a username and password then return the
|
||||
* origin url unchanged.
|
||||
*
|
||||
* @param url The url to parse.
|
||||
* @return The username, password and url.
|
||||
* @throws RuntimeException if the url is (very) invalid
|
||||
*/
|
||||
static String[] parseUrl( String url )
|
||||
{
|
||||
String[] parsedUrl = new String[3];
|
||||
|
|
@ -231,18 +359,28 @@ static String[] parseUrl( String url )
|
|||
int i = url.indexOf( "@" );
|
||||
if ( i > 0 )
|
||||
{
|
||||
String s = url.substring( 7, i );
|
||||
String protocol = url.substring( 0, url.indexOf("://") ) + "://";
|
||||
String s = url.substring( protocol.length(), i );
|
||||
int j = s.indexOf( ":" );
|
||||
parsedUrl[0] = s.substring( 0, j );
|
||||
parsedUrl[1] = s.substring( j + 1 );
|
||||
parsedUrl[2] = "http://" + url.substring( i + 1 );
|
||||
parsedUrl[2] = protocol + url.substring( i + 1 );
|
||||
}
|
||||
|
||||
return parsedUrl;
|
||||
}
|
||||
|
||||
/**
|
||||
* set the timestamp of a named file to a specified time.
|
||||
*
|
||||
* @param file the file to touch
|
||||
* @param timemillis in milliseconds since the start of the era
|
||||
* @return true if it succeeded. False means that this is a java1.1 system
|
||||
* and that file times can not be set
|
||||
* @throws RuntimeException Thrown in unrecoverable error. Likely this
|
||||
* comes from file access failures.
|
||||
*/
|
||||
private static boolean touchFile( File file, long timemillis )
|
||||
throws Exception
|
||||
{
|
||||
long modifiedTime;
|
||||
|
||||
|
|
@ -256,7 +394,6 @@ private static boolean touchFile( File file, long timemillis )
|
|||
}
|
||||
|
||||
file.setLastModified( modifiedTime );
|
||||
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue