ObexHelper.java revision 2e0da96e757a977154063f980d3f4e1abd41cf09
19439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly/* 29439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Copyright (c) 2008-2009, Motorola, Inc. 39439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 49439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * All rights reserved. 59439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 69439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Redistribution and use in source and binary forms, with or without 79439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * modification, are permitted provided that the following conditions are met: 89439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 99439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * - Redistributions of source code must retain the above copyright notice, 109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * this list of conditions and the following disclaimer. 119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * - Redistributions in binary form must reproduce the above copyright notice, 139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * this list of conditions and the following disclaimer in the documentation 149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * and/or other materials provided with the distribution. 159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * - Neither the name of the Motorola, Inc. nor the names of its contributors 179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * may be used to endorse or promote products derived from this software 189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * without specific prior written permission. 199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * POSSIBILITY OF SUCH DAMAGE. 319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pellypackage javax.obex; 349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 352e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport android.security.Md5MessageDigest; 362e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly 372e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport java.io.ByteArrayOutputStream; 382e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport java.io.IOException; 392e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport java.io.UnsupportedEncodingException; 402e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport java.util.Calendar; 412e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport java.util.Date; 422e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellyimport java.util.TimeZone; 439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly/** 452e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * This class defines a set of helper methods for the implementation of Obex. 469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 472e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * @hide 489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 492e0da96e757a977154063f980d3f4e1abd41cf09Nick Pellypublic final class ObexHelper { 502e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly 512e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly /** Prevent object construction of helper class */ 522e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly private ObexHelper() {} 539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 552e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * Defines the OBEX CONTINUE response code. 562e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * <P> 572e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * The value of <code>OBEX_HTTP_CONTINUE</code> is 0x90 (144). 589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 592e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly public static final int OBEX_HTTP_CONTINUE = 0x90; 609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 612e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly /** 622e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * The maximum packet size for OBEX packets that this client can handle. 632e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * At present, this must be changed for each port. 642e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * 652e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * OPTIMIZATION: The max packet size should be the Max incoming MTU minus 662e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * OPTIMIZATION: L2CAP package headers and RFCOMM package headers. 672e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * 682e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * OPTIMIZATION: Retrieve the max incoming MTU from 692e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * OPTIMIZATION: LocalDevice.getProperty(). 702e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly */ 712e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly /** android note 722e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * set as 0xFFFE to match remote MPS 732e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly */ 742e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly public static final int MAX_PACKET_SIZE_INT = 0xFFFE; 759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Updates the HeaderSet with the headers received in the byte array 789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * provided. Invalid headers are ignored. 799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <P> 809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * The first two bits of an OBEX Header specifies the type of object that 819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * is being sent. The table below specifies the meaning of the high 829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * bits. 839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <TABLE> 849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <TR><TH>Bits 8 and 7</TH><TH>Value</TH><TH>Description</TH></TR> 859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <TR><TD>00</TD><TD>0x00</TD><TD>Null Terminated Unicode text, prefixed 869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * with 2 byte unsigned integer</TD></TR> 879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <TR><TD>01</TD><TD>0x40</TD><TD>Byte Sequence, length prefixed with 889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 2 byte unsigned integer</TD></TR> 899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <TR><TD>10</TD><TD>0x80</TD><TD>1 byte quantity</TD></TR> 909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <TR><TD>11</TD><TD>0xC0</TD><TD>4 byte quantity - transmitted in 919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * network byte order (high byte first</TD></TR> 929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * </TABLE> 939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * This method uses the information in this table to determine the type of 949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Java object to create and passes that object with the full header 959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * to setHeader() to update the HeaderSet object. Invalid headers will 969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * cause an exception to be thrown. When it is thrown, it is ignored. 979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param header the HeaderSet to update 999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 1009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param headerArray the byte array containing headers 1019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 1029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the result of the last start body or end body header provided; 1039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * the first byte in the result will specify if a body or end of body is 1049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * received 1059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 1062e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * @throws IOException if an invalid header was found 1079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 1089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static byte[] updateHeaderSet(HeaderSet header, byte[] headerArray) throws IOException { 1099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int index = 0; 1109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int length = 0; 1119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int headerID; 1129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] value = null; 1139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] body = null; 1149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly HeaderSet headerImpl = header; 1159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 1169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly while (index < headerArray.length) { 1179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerID = 0xFF & headerArray[index]; 1189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly switch (headerID & (0xC0)) { 1199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 1209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 1219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 0x00 is a unicode null terminate string with the first 1229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * two bytes after the header identifier being the length 1239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 1249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x00: 1259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Fall through 1269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 1279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 0x40 is a byte sequence with the first 1289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * two bytes after the header identifier being the length 1299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 1309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x40: 1319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly boolean trimTail = true; 1329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 1339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = 0xFF & headerArray[index]; 1349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = length << 8; 1359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 1369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length += 0xFF & headerArray[index]; 1379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length -= 3; 1389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 1399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = new byte[length]; 1409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(headerArray, index, value, 0, length); 1419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (length == 0 || (length > 0 && (value[length - 1] != 0))) { 1429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly trimTail = false; 1439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 1449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly switch (headerID) { 1459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case HeaderSet.TYPE: 1469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 1479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Remove trailing null 1489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (trimTail == false) { 1499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(headerID, new String(value, 0, 1509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value.length, "ISO8859_1")); 1519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 1529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(headerID, new String(value, 0, 1539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value.length - 1, "ISO8859_1")); 1549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 1559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (UnsupportedEncodingException e) { 1569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new RuntimeException("ISO8859_1 is not supported" 1579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly + e.getMessage()); 1589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 1599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 1609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 1619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // This is the constant for the authentication challenge header 1629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // This header does not have a constant defined in the Java 1639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // OBEX API 1649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x4D: 1659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.authChall = new byte[length]; 1669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(headerArray, index, headerImpl.authChall, 0, 1679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length); 1689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 1699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 1709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // This is the constant for the authentication response header 1719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // This header does not have a constant defined in the Java 1729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // OBEX API 1739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x4E: 1749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.authResp = new byte[length]; 1759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System 1769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly .arraycopy(headerArray, index, headerImpl.authResp, 0, 1779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length); 1789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 1799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 1809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 1819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * These two case statements are for the body (0x48) 1829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * and end of body (0x49) headers. 1839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 1849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x48: 1859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* Fall Through */ 1869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x49: 1879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly body = new byte[length + 1]; 1889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly body[0] = (byte)headerID; 1899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(headerArray, index, body, 1, length); 1909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 1919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 1929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case HeaderSet.TIME_ISO_8601: 1939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 1949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly String dateString = new String(value, "ISO8859_1"); 1959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly Calendar temp = Calendar.getInstance(); 1969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if ((dateString.length() == 16) 1979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly && (dateString.charAt(15) == 'Z')) { 1989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.setTimeZone(TimeZone.getTimeZone("UTC")); 1999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.set(Calendar.YEAR, Integer.parseInt(dateString.substring( 2019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 0, 4))); 2029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.set(Calendar.MONTH, Integer.parseInt(dateString.substring( 2039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4, 6))); 2049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.set(Calendar.DAY_OF_MONTH, Integer.parseInt(dateString 2059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly .substring(6, 8))); 2069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.set(Calendar.HOUR_OF_DAY, Integer.parseInt(dateString 2079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly .substring(9, 11))); 2089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.set(Calendar.MINUTE, Integer.parseInt(dateString 2099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly .substring(11, 13))); 2109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.set(Calendar.SECOND, Integer.parseInt(dateString 2119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly .substring(13, 15))); 2129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(HeaderSet.TIME_ISO_8601, temp); 2139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (UnsupportedEncodingException e) { 2149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new RuntimeException("ISO8859_1 is not supported" 2159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly + e.getMessage()); 2169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (Exception e) { 2179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IOException( 2189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly "Time Header does not follow ISO 8601 standard"); 2199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 2219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly default: 2239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 2249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if ((headerID & 0xC0) == 0x00) { 2252e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly headerImpl.setHeader(headerID, ObexHelper.convertToUnicode( 2269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value, true)); 2279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 2289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(headerID, value); 2299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (Exception e) { 2319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Not a valid header so ignore 2329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index += length; 2369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 2379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 2399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 0x80 is a byte header. The only valid byte headers are 2409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * the 16 user defined byte headers. 2419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 2429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x80: 2439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 2449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 2459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(headerID, Byte.valueOf(headerArray[index])); 2469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (Exception e) { 2479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Not a valid header so ignore 2489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 2509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 2519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 2539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 0xC0 is a 4 byte unsigned integer header and with the 2549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * exception of TIME_4_BYTE will be converted to a Long 2559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * and added. 2569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 2579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0xC0: 2589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 2599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = new byte[4]; 2609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(headerArray, index, value, 0, 4); 2619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 2629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (headerID != HeaderSet.TIME_4_BYTE) { 2639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Determine if it is a connection ID. These 2649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // need to be handled differently 2659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (headerID == 0xCB) { 2669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.connectionID = new byte[4]; 2679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(value, 0, headerImpl.connectionID, 0, 4); 2689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 2699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(headerID, Long 2709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly .valueOf(convertToLong(value))); 2719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 2739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly Calendar temp = Calendar.getInstance(); 2749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp.setTime(new Date(convertToLong(value) * 1000L)); 2759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headerImpl.setHeader(HeaderSet.TIME_4_BYTE, temp); 2769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (Exception e) { 2789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Not a valid header so ignore 2799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IOException("Header was not formatted properly"); 2809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index += 4; 2829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 2839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (IOException e) { 2879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IOException("Header was not formatted properly"); 2889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return body; 2919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 2929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 2939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 2949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Creates the header part of OBEX packet based on the header provided. 2959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 2969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * OPTIMIZATION: Could use getHeaderList() to get the array of headers to 2979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * OPTIMIZATION: include and then use the high two bits to determine the 2989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * OPTIMIZATION: the type of the object and construct the byte array from 2999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * OPTIMIZATION: that. This will make the size smaller. 3009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 3019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param head the header used to construct the byte array 3029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 3039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param nullOut <code>true</code> if the header should be set to 3049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * <code>null</code> once it is added to the array or <code>false</code> 3059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * if it should not be nulled out 3069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 3079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the header of an OBEX packet 3089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 3099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static byte[] createHeader(HeaderSet head, boolean nullOut) { 3109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly Long intHeader = null; 3119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly String stringHeader = null; 3129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly Calendar dateHeader = null; 3139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly Byte byteHeader = null; 3149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly StringBuffer buffer = null; 3159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] value = null; 3169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] result = null; 3179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] lengthArray = new byte[2]; 3189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int length; 3199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly HeaderSet headImpl = null; 3209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly ByteArrayOutputStream out = new ByteArrayOutputStream(); 3219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (!(head instanceof HeaderSet)) { 3229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IllegalArgumentException("Header not created by createHeaderSet"); 3239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl = head; 3259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 3279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 3289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Determine if there is a connection ID to send. If there is, 3299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * then it should be the first header in the packet. 3309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 3319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if ((headImpl.connectionID != null) && (headImpl.getHeader(HeaderSet.TARGET) == null)) { 3329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)0xCB); 3349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(headImpl.connectionID); 3359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Count Header 3389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly intHeader = (Long)headImpl.getHeader(HeaderSet.COUNT); 3399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (intHeader != null) { 3409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.COUNT); 3412e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly value = ObexHelper.convertToByteArray(intHeader.longValue()); 3429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 3439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 3449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.COUNT, null); 3459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Name Header 3499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly stringHeader = (String)headImpl.getHeader(HeaderSet.NAME); 3509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (stringHeader != null) { 3519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.NAME); 3522e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly value = ObexHelper.convertToUnicodeByteArray(stringHeader); 3539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 3549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 3559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 3569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 3579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 3589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 3599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.NAME, null); 3609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Type Header 3649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly stringHeader = (String)headImpl.getHeader(HeaderSet.TYPE); 3659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (stringHeader != null) { 3669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.TYPE); 3679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 3689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = stringHeader.getBytes("ISO8859_1"); 3699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (UnsupportedEncodingException e) { 3709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new RuntimeException("Unsupported Encoding Scheme: " + e.getMessage()); 3719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 4; 3749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 3759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 3769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 3779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 3789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(0x00); 3799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 3809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.TYPE, null); 3819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Length Header 3859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly intHeader = (Long)headImpl.getHeader(HeaderSet.LENGTH); 3869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (intHeader != null) { 3879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.LENGTH); 3882e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly value = ObexHelper.convertToByteArray(intHeader.longValue()); 3899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 3909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 3919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.LENGTH, null); 3929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 3949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Time ISO Header 3969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly dateHeader = (Calendar)headImpl.getHeader(HeaderSet.TIME_ISO_8601); 3979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (dateHeader != null) { 3989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 3999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 4009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * The ISO Header should take the form YYYYMMDDTHHMMSSZ. The 4019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 'Z' will only be included if it is a UTC time. 4029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 4039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer = new StringBuffer(); 4049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int temp = dateHeader.get(Calendar.YEAR); 4059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly for (int i = temp; i < 1000; i = i * 10) { 4069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("0"); 4079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append(temp); 4099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp = dateHeader.get(Calendar.MONTH); 4109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (temp < 10) { 4119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("0"); 4129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append(temp); 4149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp = dateHeader.get(Calendar.DAY_OF_MONTH); 4159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (temp < 10) { 4169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("0"); 4179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append(temp); 4199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("T"); 4209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp = dateHeader.get(Calendar.HOUR_OF_DAY); 4219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (temp < 10) { 4229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("0"); 4239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append(temp); 4259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp = dateHeader.get(Calendar.MINUTE); 4269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (temp < 10) { 4279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("0"); 4289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append(temp); 4309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly temp = dateHeader.get(Calendar.SECOND); 4319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (temp < 10) { 4329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("0"); 4339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append(temp); 4359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (dateHeader.getTimeZone().getID().equals("UTC")) { 4379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly buffer.append("Z"); 4389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 4419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = buffer.toString().getBytes("ISO8859_1"); 4429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (UnsupportedEncodingException e) { 4439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new RuntimeException("UnsupportedEncodingException: " + e.getMessage()); 4449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 4479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 4489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 4499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(HeaderSet.TIME_ISO_8601); 4509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 4519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 4529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 4539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.TIME_ISO_8601, null); 4549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Time 4 Byte Header 4589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly dateHeader = (Calendar)headImpl.getHeader(HeaderSet.TIME_4_BYTE); 4599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (dateHeader != null) { 4609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(HeaderSet.TIME_4_BYTE); 4619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 4639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Need to call getTime() twice. The first call will return 4649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * a java.util.Date object. The second call returns the number 4659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * of milliseconds since January 1, 1970. We need to convert 4669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * it to seconds since the TIME_4_BYTE expects the number of 4679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * seconds since January 1, 1970. 4689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 4692e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly value = ObexHelper.convertToByteArray(dateHeader.getTime().getTime() / 1000L); 4709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 4719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 4729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.TIME_4_BYTE, null); 4739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Description Header 4779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly stringHeader = (String)headImpl.getHeader(HeaderSet.DESCRIPTION); 4789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (stringHeader != null) { 4799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.DESCRIPTION); 4802e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly value = ObexHelper.convertToUnicodeByteArray(stringHeader); 4819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 4829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 4839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 4849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 4859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 4869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 4879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.DESCRIPTION, null); 4889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 4909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 4919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Target Header 4929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = (byte[])headImpl.getHeader(HeaderSet.TARGET); 4939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value != null) { 4949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.TARGET); 4959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 4969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 4979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 4989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 4999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.TARGET, null); 5029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // HTTP Header 5069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = (byte[])headImpl.getHeader(HeaderSet.HTTP); 5079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value != null) { 5089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.HTTP); 5099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 5109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 5119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 5129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 5139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.HTTP, null); 5169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Who Header 5209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = (byte[])headImpl.getHeader(HeaderSet.WHO); 5219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value != null) { 5229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.WHO); 5239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 5249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 5259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 5269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 5279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.WHO, null); 5309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Connection ID Header 5349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = (byte[])headImpl.getHeader(HeaderSet.APPLICATION_PARAMETER); 5359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value != null) { 5369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.APPLICATION_PARAMETER); 5379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 5389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 5399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 5409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 5419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.APPLICATION_PARAMETER, null); 5449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Object Class Header 5489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = (byte[])headImpl.getHeader(HeaderSet.OBJECT_CLASS); 5499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value != null) { 5509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)HeaderSet.OBJECT_CLASS); 5519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 5529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 5539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 5549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 5559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(HeaderSet.OBJECT_CLASS, null); 5589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Check User Defined Headers 5629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly for (int i = 0; i < 16; i++) { 5639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly //Unicode String Header 5659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly stringHeader = (String)headImpl.getHeader(i + 0x30); 5669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (stringHeader != null) { 5679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)i + 0x30); 5682e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly value = ObexHelper.convertToUnicodeByteArray(stringHeader); 5699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 5709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 5719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 5729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 5739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(i + 0x30, null); 5769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Byte Sequence Header 5809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = (byte[])headImpl.getHeader(i + 0x70); 5819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value != null) { 5829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)i + 0x70); 5839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value.length + 3; 5849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 5859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 5869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 5879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(value); 5889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(i + 0x70, null); 5909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 5929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 5939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Byte Header 5949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byteHeader = (Byte)headImpl.getHeader(i + 0xB0); 5959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (byteHeader != null) { 5969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)i + 0xB0); 5979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(byteHeader.byteValue()); 5989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 5999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(i + 0xB0, null); 6009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Integer header 6049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly intHeader = (Long)headImpl.getHeader(i + 0xF0); 6059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (intHeader != null) { 6069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)i + 0xF0); 6072e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly out.write(ObexHelper.convertToByteArray(intHeader.longValue())); 6089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 6099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.setHeader(i + 0xF0, null); 6109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Add the authentication challenge header 6159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (headImpl.authChall != null) { 6169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)0x4D); 6179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = headImpl.authChall.length + 3; 6189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 6199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 6209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 6219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(headImpl.authChall); 6229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 6239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.authChall = null; 6249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Add the authentication response header 6289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (headImpl.authResp != null) { 6299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write((byte)0x4E); 6309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = headImpl.authResp.length + 3; 6319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[0] = (byte)(255 & (length >> 8)); 6329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lengthArray[1] = (byte)(255 & length); 6339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(lengthArray); 6349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.write(headImpl.authResp); 6359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nullOut) { 6369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly headImpl.authResp = null; 6379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (IOException e) { 6419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } finally { 6429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly result = out.toByteArray(); 6439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly try { 6449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly out.close(); 6459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } catch (Exception ex) { 6469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return result; 6509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 6529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 6549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Determines where the maximum divide is between headers. This method is 6559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * used by put and get operations to separate headers to a size that meets 6569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * the max packet size allowed. 6579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 6589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param headerArray the headers to separate 6599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 6609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param start the starting index to search 6619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 6629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param maxSize the maximum size of a packet 6639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 6649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the index of the end of the header block to send or -1 if the 6659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * header could not be divided because the header is too large 6669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 6679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static int findHeaderEnd(byte[] headerArray, int start, int maxSize) { 6689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int fullLength = 0; 6709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int lastLength = -1; 6719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int index = start; 6729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int length = 0; 6739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly while ((fullLength < maxSize) && (index < headerArray.length)) { 6759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int headerID = (headerArray[index] < 0 ? headerArray[index] + 256 : headerArray[index]); 6769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lastLength = fullLength; 6779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly switch (headerID & (0xC0)) { 6799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x00: 6819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Fall through 6829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x40: 6839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 6859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = (headerArray[index] < 0 ? headerArray[index] + 256 6869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly : headerArray[index]); 6879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = length << 8; 6889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 6899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length += (headerArray[index] < 0 ? headerArray[index] + 256 6909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly : headerArray[index]); 6919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length -= 3; 6929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 6939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index += length; 6949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly fullLength += length + 3; 6959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 6969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0x80: 6989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 6999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 7009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 7019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly fullLength += 2; 7029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 7039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly case 0xC0: 7059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index += 5; 7079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly fullLength += 5; 7089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly break; 7099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 7159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Determine if this is the last header or not 7169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 7179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (lastLength == 0) { 7189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 7199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Since this is the last header, check to see if the size of this 7209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * header is less then maxSize. If it is, return the length of the 7219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * header, otherwise return -1. The length of the header is 7229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * returned since it would be the start of the next header 7239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 7249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (fullLength < maxSize) { 7259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return headerArray.length; 7269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 7279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return -1; 7289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 7309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return lastLength + start; 7319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 7359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Converts the byte array to a long. 7369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 7379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param b the byte array to convert to a long 7389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 7399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the byte array as a long 7409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 7419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static long convertToLong(byte[] b) { 7429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly long result = 0; 7439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly long value = 0; 7449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly long power = 0; 7459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly for (int i = (b.length - 1); i >= 0; i--) { 7479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value = b[i]; 7489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value < 0) { 7499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly value += 256; 7509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly result = result | (value << power); 7539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly power += 8; 7549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return result; 7579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 7609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Converts the long to a 4 byte array. The long must be non negative. 7619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 7629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param l the long to convert 7639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 7649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return a byte array that is the same as the long 7659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 7669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static byte[] convertToByteArray(long l) { 7679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] b = new byte[4]; 7689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly b[0] = (byte)(255 & (l >> 24)); 7709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly b[1] = (byte)(255 & (l >> 16)); 7719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly b[2] = (byte)(255 & (l >> 8)); 7729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly b[3] = (byte)(255 & l); 7739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return b; 7759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 7789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Converts the String to a UNICODE byte array. It will also add the ending 7799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * null characters to the end of the string. 7809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 7819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param s the string to convert 7829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 7839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the unicode byte array of the string 7849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 7859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static byte[] convertToUnicodeByteArray(String s) { 7869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (s == null) { 7879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return null; 7889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly char c[] = s.toCharArray(); 7919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] result = new byte[(c.length * 2) + 2]; 7929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly for (int i = 0; i < c.length; i++) { 7939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly result[(i * 2)] = (byte)(c[i] >> 8); 7949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly result[((i * 2) + 1)] = (byte)c[i]; 7959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 7969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 7979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Add the UNICODE null character 7989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly result[result.length - 2] = 0; 7999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly result[result.length - 1] = 0; 8009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return result; 8029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 8059439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Retrieves the value from the byte array for the tag value specified. The 8069439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * array should be of the form Tag - Length - Value triplet. 8079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param tag the tag to retrieve from the byte array 8099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param triplet the byte sequence containing the tag length value form 8119439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8129439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the value of the specified tag 8139439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 8149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static byte[] getTagValue(byte tag, byte[] triplet) { 8159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int index = findTag(tag, triplet); 8179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (index == -1) { 8189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return null; 8199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 8229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int length = triplet[index] & 0xFF; 8239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] result = new byte[length]; 8259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index++; 8269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(triplet, index, result, 0, length); 8279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return result; 8299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 8329439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Finds the index that starts the tag value pair in the byte array provide. 8339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param tag the tag to look for 8359439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param value the byte array to search 8379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the starting index of the tag or -1 if the tag could not be found 8399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 8409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static int findTag(byte tag, byte[] value) { 8419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int length = 0; 8429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (value == null) { 8449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return -1; 8459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int index = 0; 8489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly while ((index < value.length) && (value[index] != tag)) { 8509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly length = value[index + 1] & 0xFF; 8519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly index += length + 2; 8529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (index >= value.length) { 8559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return -1; 8569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return index; 8599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 8629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Converts the byte array provided to a unicode string. 8639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param b the byte array to convert to a string 8659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param includesNull determine if the byte string provided contains the 8679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * UNICODE null character at the end or not; if it does, it will be 8689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * removed 8699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return a Unicode string 8719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 8729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param IllegalArgumentException if the byte array has an odd length 8739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 8749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static String convertToUnicode(byte[] b, boolean includesNull) { 8759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (b == null) { 8769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return null; 8779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int arrayLength = b.length; 8799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (!((arrayLength % 2) == 0)) { 8809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IllegalArgumentException("Byte array not of a valid form"); 8819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly arrayLength = (arrayLength >> 1); 8839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (includesNull) { 8849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly arrayLength -= 1; 8859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly char[] c = new char[arrayLength]; 8889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly for (int i = 0; i < arrayLength; i++) { 8899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int upper = b[2 * i]; 8909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly int lower = b[(2 * i) + 1]; 8919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (upper < 0) { 8929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly upper += 256; 8939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (lower < 0) { 8959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly lower += 256; 8969439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 8979439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 8989439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly c[i] = (char)((upper << 8) | lower); 8999439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9009439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9019439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return new String(c); 9029439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9039439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9049439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 9052e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * Compute the MD5 hash of the byte array provided. 9062e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * Does not accumulate input. 9079439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9089439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param in the byte array to hash 9099439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @return the MD5 hash of the byte array 9109439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 9112e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly public static byte[] computeMd5Hash(byte[] in) { 9122e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly Md5MessageDigest md5 = new Md5MessageDigest(); 9132e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly return md5.digest(in); 9149439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9159439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9169439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /** 9179439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * Computes an authentication challenge header. 9189439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9199439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9209439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param nonce the challenge that will be provided to the peer; the 9219439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * challenge must be 16 bytes long 9229439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9239439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param realm a short description that describes what password to use 9249439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9259439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param access if <code>true</code> then full access will be granted if 9269439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * successful; if <code>false</code> then read only access will be granted 9279439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * if successful 9289439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9299439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * @param userID if <code>true</code>, a user ID is required in the reply; 9309439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * if <code>false</code>, no user ID is required 9319439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9322e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * @throws IllegalArgumentException if the challenge is not 16 bytes 9339439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * long; if the realm can not be encoded in less then 255 bytes 9349439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * 9352e0da96e757a977154063f980d3f4e1abd41cf09Nick Pelly * @throws IOException if the encoding scheme ISO 8859-1 is not supported 9369439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 9379439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly public static byte[] computeAuthenticationChallenge(byte[] nonce, String realm, boolean access, 9389439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly boolean userID) throws IOException { 9399439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly byte[] authChall = null; 9409439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9419439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (nonce.length != 16) { 9429439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IllegalArgumentException("Nonce must be 16 bytes long"); 9439439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9449439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9459439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly /* 9469439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * The authentication challenge is a byte sequence of the following form 9479439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 0: 0x00 - the tag for the challenge 9489439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 1: 0x10 - the length of the challenge; must be 16 9499439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 2-17: the authentication challenge 9509439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 18: 0x01 - the options tag; this is optional in the spec, but 9519439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * we are going to include it in every message 9529439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 19: 0x01 - length of the options; must be 1 9539439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 20: the value of the options; bit 0 is set if user ID is 9549439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * required; bit 1 is set if access mode is read only 9559439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 21: 0x02 - the tag for authentication realm; only included if 9569439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * an authentication realm is specified 9579439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 22: the length of the authentication realm; only included if 9589439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * the authentication realm is specified 9599439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 23: the encoding scheme of the authentication realm; we will use 9609439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * the ISO 8859-1 encoding scheme since it is part of the KVM 9619439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly * byte 24 & up: the realm if one is specified. 9629439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly */ 9639439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (realm == null) { 9649439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall = new byte[21]; 9659439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } else { 9669439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (realm.length() >= 255) { 9679439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly throw new IllegalArgumentException("Realm must be less then 255 bytes"); 9689439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9699439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall = new byte[24 + realm.length()]; 9709439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[21] = 0x02; 9719439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[22] = (byte)(realm.length() + 1); 9729439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[23] = 0x01; // ISO 8859-1 Encoding 9739439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(realm.getBytes("ISO8859_1"), 0, authChall, 24, realm.length()); 9749439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9759439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9769439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Include the nonce field in the header 9779439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[0] = 0x00; 9789439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[1] = 0x10; 9799439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly System.arraycopy(nonce, 0, authChall, 2, 16); 9809439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9819439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly // Include the options header 9829439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[18] = 0x01; 9839439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[19] = 0x01; 9849439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[20] = 0x00; 9859439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9869439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (!access) { 9879439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[20] = (byte)(authChall[20] | 0x02); 9889439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9899439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly if (userID) { 9909439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly authChall[20] = (byte)(authChall[20] | 0x01); 9919439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9929439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly 9939439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly return authChall; 9949439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly } 9959439a7fe517b858bc5e5c654b459315e4722feb2Nick Pelly} 996