1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/jaxws_classes/com/sun/xml/internal/messaging/saaj/util/Base64.java Tue Mar 06 16:09:35 2012 -0800
1.3 @@ -0,0 +1,272 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation. Oracle designates this
1.11 + * particular file as subject to the "Classpath" exception as provided
1.12 + * by Oracle in the LICENSE file that accompanied this code.
1.13 + *
1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.17 + * version 2 for more details (a copy is included in the LICENSE file that
1.18 + * accompanied this code).
1.19 + *
1.20 + * You should have received a copy of the GNU General Public License version
1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.23 + *
1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.25 + * or visit www.oracle.com if you need additional information or have any
1.26 + * questions.
1.27 + */
1.28 +
1.29 +package com.sun.xml.internal.messaging.saaj.util;
1.30 +
1.31 +
1.32 +// Cut & paste from tomcat
1.33 +
1.34 +/**
1.35 + * This class provides encode/decode for RFC 2045 Base64 as
1.36 + * defined by RFC 2045, N. Freed and N. Borenstein.
1.37 + * RFC 2045: Multipurpose Internet Mail Extensions (MIME)
1.38 + * Part One: Format of Internet Message Bodies. Reference
1.39 + * 1996 Available at: http://www.ietf.org/rfc/rfc2045.txt
1.40 + * This class is used by XML Schema binary format validation
1.41 + *
1.42 + * @author Jeffrey Rodriguez
1.43 + * @version
1.44 + */
1.45 +public final class Base64 {
1.46 +
1.47 +
1.48 + static private final int BASELENGTH = 255;
1.49 + static private final int LOOKUPLENGTH = 63;
1.50 + static private final int TWENTYFOURBITGROUP = 24;
1.51 + static private final int EIGHTBIT = 8;
1.52 + static private final int SIXTEENBIT = 16;
1.53 + static private final int SIXBIT = 6;
1.54 + static private final int FOURBYTE = 4;
1.55 +
1.56 +
1.57 + static private final byte PAD = ( byte ) '=';
1.58 + static private byte [] base64Alphabet = new byte[BASELENGTH];
1.59 + static private byte [] lookUpBase64Alphabet = new byte[LOOKUPLENGTH];
1.60 +
1.61 + static {
1.62 +
1.63 + for (int i = 0; i<BASELENGTH; i++ ) {
1.64 + base64Alphabet[i] = -1;
1.65 + }
1.66 + for ( int i = 'Z'; i >= 'A'; i-- ) {
1.67 + base64Alphabet[i] = (byte) (i-'A');
1.68 + }
1.69 + for ( int i = 'z'; i>= 'a'; i--) {
1.70 + base64Alphabet[i] = (byte) ( i-'a' + 26);
1.71 + }
1.72 +
1.73 + for ( int i = '9'; i >= '0'; i--) {
1.74 + base64Alphabet[i] = (byte) (i-'0' + 52);
1.75 + }
1.76 +
1.77 + base64Alphabet['+'] = 62;
1.78 + base64Alphabet['/'] = 63;
1.79 +
1.80 + for (int i = 0; i<=25; i++ )
1.81 + lookUpBase64Alphabet[i] = (byte) ('A'+i );
1.82 +
1.83 + for (int i = 26, j = 0; i<=51; i++, j++ )
1.84 + lookUpBase64Alphabet[i] = (byte) ('a'+ j );
1.85 +
1.86 + for (int i = 52, j = 0; i<=61; i++, j++ )
1.87 + lookUpBase64Alphabet[i] = (byte) ('0' + j );
1.88 +
1.89 + }
1.90 +
1.91 +
1.92 + static boolean isBase64( byte octect ) {
1.93 + //shall we ignore white space? JEFF??
1.94 + return(octect == PAD || base64Alphabet[octect] != -1 );
1.95 + }
1.96 +
1.97 +
1.98 + static boolean isArrayByteBase64( byte[] arrayOctect ) {
1.99 + int length = arrayOctect.length;
1.100 + if ( length == 0 )
1.101 + return false;
1.102 + for ( int i=0; i < length; i++ ) {
1.103 + if ( Base64.isBase64( arrayOctect[i] ) == false)
1.104 + return false;
1.105 + }
1.106 + return true;
1.107 + }
1.108 +
1.109 + /**
1.110 + * Encodes hex octects into Base64
1.111 + *
1.112 + * @param binaryData Array containing binaryData
1.113 + * @return Encoded Base64 array
1.114 + */
1.115 + public static byte[] encode( byte[] binaryData ) {
1.116 + int lengthDataBits = binaryData.length*EIGHTBIT;
1.117 + int fewerThan24bits = lengthDataBits%TWENTYFOURBITGROUP;
1.118 + int numberTriplets = lengthDataBits/TWENTYFOURBITGROUP;
1.119 + byte encodedData[] = null;
1.120 +
1.121 +
1.122 + if ( fewerThan24bits != 0 ) //data not divisible by 24 bit
1.123 + encodedData = new byte[ (numberTriplets + 1 )*4 ];
1.124 + else // 16 or 8 bit
1.125 + encodedData = new byte[ numberTriplets*4 ];
1.126 +
1.127 + byte k=0, l=0, b1=0,b2=0,b3=0;
1.128 +
1.129 + int encodedIndex = 0;
1.130 + int dataIndex = 0;
1.131 + int i = 0;
1.132 + for ( i = 0; i<numberTriplets; i++ ) {
1.133 +
1.134 + dataIndex = i*3;
1.135 + b1 = binaryData[dataIndex];
1.136 + b2 = binaryData[dataIndex + 1];
1.137 + b3 = binaryData[dataIndex + 2];
1.138 +
1.139 + l = (byte)(b2 & 0x0f);
1.140 + k = (byte)(b1 & 0x03);
1.141 +
1.142 + encodedIndex = i*4;
1.143 + encodedData[encodedIndex] = lookUpBase64Alphabet[ b1 >>2 ];
1.144 + encodedData[encodedIndex+1] = lookUpBase64Alphabet[(b2 >>4 ) |
1.145 +( k<<4 )];
1.146 + encodedData[encodedIndex+2] = lookUpBase64Alphabet[ (l <<2 ) |
1.147 +( b3>>6)];
1.148 + encodedData[encodedIndex+3] = lookUpBase64Alphabet[ b3 & 0x3f ];
1.149 + }
1.150 +
1.151 + // form integral number of 6-bit groups
1.152 + dataIndex = i*3;
1.153 + encodedIndex = i*4;
1.154 + if (fewerThan24bits == EIGHTBIT ) {
1.155 + b1 = binaryData[dataIndex];
1.156 + k = (byte) ( b1 &0x03 );
1.157 + encodedData[encodedIndex] = lookUpBase64Alphabet[ b1 >>2 ];
1.158 + encodedData[encodedIndex + 1] = lookUpBase64Alphabet[ k<<4 ];
1.159 + encodedData[encodedIndex + 2] = PAD;
1.160 + encodedData[encodedIndex + 3] = PAD;
1.161 + } else if ( fewerThan24bits == SIXTEENBIT ) {
1.162 +
1.163 + b1 = binaryData[dataIndex];
1.164 + b2 = binaryData[dataIndex +1 ];
1.165 + l = ( byte ) ( b2 &0x0f );
1.166 + k = ( byte ) ( b1 &0x03 );
1.167 + encodedData[encodedIndex] = lookUpBase64Alphabet[ b1 >>2 ];
1.168 + encodedData[encodedIndex + 1] = lookUpBase64Alphabet[ (b2 >>4 )
1.169 +| ( k<<4 )];
1.170 + encodedData[encodedIndex + 2] = lookUpBase64Alphabet[ l<<2 ];
1.171 + encodedData[encodedIndex + 3] = PAD;
1.172 + }
1.173 + return encodedData;
1.174 + }
1.175 +
1.176 +
1.177 + /**
1.178 + * Decodes Base64 data into octects
1.179 + *
1.180 + * @param binaryData Byte array containing Base64 data
1.181 + * @return Array containind decoded data.
1.182 + */
1.183 + public byte[] decode( byte[] base64Data ) {
1.184 + int numberQuadruple = base64Data.length/FOURBYTE;
1.185 + byte decodedData[] = null;
1.186 + byte b1=0,b2=0,b3=0, b4=0, marker0=0, marker1=0;
1.187 +
1.188 + // Throw away anything not in base64Data
1.189 + // Adjust size
1.190 +
1.191 + int encodedIndex = 0;
1.192 + int dataIndex = 0;
1.193 + decodedData = new byte[ numberQuadruple*3 + 1 ];
1.194 +
1.195 + for (int i = 0; i<numberQuadruple; i++ ) {
1.196 + dataIndex = i*4;
1.197 + marker0 = base64Data[dataIndex +2];
1.198 + marker1 = base64Data[dataIndex +3];
1.199 +
1.200 + b1 = base64Alphabet[base64Data[dataIndex]];
1.201 + b2 = base64Alphabet[base64Data[dataIndex +1]];
1.202 +
1.203 + if ( marker0 != PAD && marker1 != PAD ) { //No PAD e.g 3cQl
1.204 + b3 = base64Alphabet[ marker0 ];
1.205 + b4 = base64Alphabet[ marker1 ];
1.206 +
1.207 + decodedData[encodedIndex] = (byte)( b1 <<2 | b2>>4 ) ;
1.208 + decodedData[encodedIndex+1] = (byte)(((b2 & 0xf)<<4 ) |(
1.209 +(b3>>2) & 0xf) );
1.210 + decodedData[encodedIndex+2] = (byte)( b3<<6 | b4 );
1.211 + } else if ( marker0 == PAD ) { //Two PAD e.g. 3c[Pad][Pad]
1.212 + decodedData[encodedIndex] = (byte)( b1 <<2 | b2>>4 ) ;
1.213 + decodedData[encodedIndex+1] = (byte)((b2 & 0xf)<<4 );
1.214 + decodedData[encodedIndex+2] = (byte) 0;
1.215 + } else if ( marker1 == PAD ) { //One PAD e.g. 3cQ[Pad]
1.216 + b3 = base64Alphabet[ marker0 ];
1.217 +
1.218 + decodedData[encodedIndex] = (byte)( b1 <<2 | b2>>4 );
1.219 + decodedData[encodedIndex+1] = (byte)(((b2 & 0xf)<<4 ) |(
1.220 +(b3>>2) & 0xf) );
1.221 + decodedData[encodedIndex+2] = (byte)( b3<<6);
1.222 + }
1.223 + encodedIndex += 3;
1.224 + }
1.225 + return decodedData;
1.226 +
1.227 + }
1.228 +
1.229 + static final int base64[]= {
1.230 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.231 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.232 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 62, 64, 64, 64, 63,
1.233 + 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 64, 64, 64, 64, 64,
1.234 + 64, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
1.235 + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 64, 64, 64, 64, 64,
1.236 + 64, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
1.237 + 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 64, 64, 64, 64, 64,
1.238 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.239 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.240 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.241 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.242 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.243 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.244 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
1.245 + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64
1.246 + };
1.247 +
1.248 + public static String base64Decode( String orig ) {
1.249 + char chars[]=orig.toCharArray();
1.250 + StringBuffer sb=new StringBuffer();
1.251 + int i=0;
1.252 +
1.253 + int shift = 0; // # of excess bits stored in accum
1.254 + int acc = 0;
1.255 +
1.256 + for (i=0; i<chars.length; i++) {
1.257 + int v = base64[ chars[i] & 0xFF ];
1.258 +
1.259 + if ( v >= 64 ) {
1.260 + if( chars[i] != '=' )
1.261 + System.out.println("Wrong char in base64: " + chars[i]);
1.262 + } else {
1.263 + acc= ( acc << 6 ) | v;
1.264 + shift += 6;
1.265 + if ( shift >= 8 ) {
1.266 + shift -= 8;
1.267 + sb.append( (char) ((acc >> shift) & 0xff));
1.268 + }
1.269 + }
1.270 + }
1.271 + return sb.toString();
1.272 + }
1.273 +
1.274 +
1.275 +}
