/*
* ConvertUtils.java
* PROJECT: JDigiDoc
* DESCRIPTION: Digi Doc functions for creating
* and reading signed documents.
* AUTHOR: Veiko Sinivee, S|E|B IT Partner Estonia
*==================================================
* Copyright (C) AS Sertifitseerimiskeskus
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* GNU Lesser General Public Licence is available at
* http://www.gnu.org/copyleft/lesser.html
*==================================================
*/
package ee.sk.utils;
import java.util.regex.Matcher;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.ArrayList;
import java.util.TimeZone;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.math.BigInteger;
import java.text.SimpleDateFormat;
import ee.sk.digidoc.DigiDocException;
import ee.sk.digidoc.SignedDoc;
import ee.sk.digidoc.factory.BouncyCastleNotaryFactory;
import ee.sk.digidoc.tsl.MultiLangString;
import java.net.*;
import org.apache.log4j.Logger;
import javax.security.auth.x500.X500Principal;
import java.security.Principal;
import java.security.cert.*;
/**
* Miscellaneous data conversion utility methods
* @author Veiko Sinivee
* @version 1.0
*/
public class ConvertUtils
{
private static final String m_dateFormat = "yyyy.MM.dd'T'HH:mm:ss'Z'";
private static final String m_dateFormatXAdES = "yyyy-MM-dd'T'HH:mm:ss'Z'";
private static final String m_dateFormatIso8601 = "yyyy.MM.dd'T'HH:mm:ss";
private static final String m_dateFormatSSS = "yyyy.MM.dd'T'HH:mm:ss.SSS'Z'";
private static final String m_dateFormatXAdESSSS = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";
private static Logger m_logger = Logger.getLogger(ConvertUtils.class);
public static final String X509_NAME_RFC = "RFC2253"; //"RFC4514";
/** Invalid SHA1 13+0x00 algortihm prefix - 00 30 21 30 09 06 05 2b 0e 03 02 1a 04 14 0x00 */
private static final byte[] sha1AlgPrefix13Bad = {
0x30, 0x1f, 0x30, 0x07, 0x06,
0x05, 0x2b, 0x0e, 0x03, 0x02,
0x1a, 0x04, 0x14, 0x00 };
/** Invalid SHA1 15+0x00 algortihm prefix - 00 30 21 30 09 06 05 2b 0e 03 02 1a 05 00 04 14 0x00 */
private static final byte[] sha1AlgPrefix15Bad = {
0x30, 0x21, 0x30, 0x09, 0x06,
0x05, 0x2b, 0x0e, 0x03, 0x02,
0x1a, 0x05, 0x00, 0x04, 0x14, 0x00 };
/** SHA1 algortihm prefix - 00 30 21 30 09 06 05 2b 0e 03 02 1a 05 00 04 14 */
private static final byte[] sha1AlgPrefix1 = { // long
0x30, 0x21, 0x30, 0x09, 0x06,
0x05, 0x2b, 0x0e, 0x03, 0x02,
0x1a, 0x05, 0x00, 0x04, 0x14 };
private static final byte[] sha1AlgPrefix2 = { // short
0x30, 0x1f, 0x30, 0x07, 0x06,
0x05, 0x2b, 0x0e, 0x03, 0x02,
0x1a, 0x04, 0x14 };
/** SHA224 prefix - 00302d300d06096086480165030402040500041c */
private static final byte[] sha224AlgPrefix1 = { // long
0x30, 0x2d, 0x30, 0x0d, 0x06, 0x09, 0x60,
(byte)0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x04, 0x05, 0x00, 0x04, 0x1c };
private static final byte[] sha224AlgPrefix2 = { // short
0x30, 0x2b, 0x30, 0x0b, 0x06, 0x09, 0x60,
(byte)0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02,
0x04, 0x04, 0x1c };
/** sha256 alg prefix - 003031300d060960864801650304020105000420 5ad8f86f90558d973aba4ce9be116646efd2c57758e5238b841d50abe788bae9 */
private static final byte[] sha256AlgPrefix1 = { // long
0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, (byte)0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20
};
private static final byte[] sha256AlgPrefix2 = { // short
0x30, 0x2f, 0x30, 0x0b, 0x06, 0x09, 0x60, (byte)0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x04, 0x20
};
private static final byte[] sha512AlgPrefix1 = // long
{ 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, (byte)0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40 };
private static final byte[] sha512AlgPrefix2 = // short
{ 0x30, 0x4f, 0x30, 0x0b, 0x06, 0x09, 0x60, (byte)0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x04, 0x40 };
/**
* Helper method to convert a Date
* object to xsd:date format
* @param d input data
* @param ddoc signed doc
* @return stringified date (xsd:date)
* @throws DigiDocException for errors
*/
public static String date2string(Date d, SignedDoc ddoc)
throws DigiDocException
{
String str = null, sF = null;
try {
if(d != null) {
sF = (ddoc.getFormat().equals(SignedDoc.FORMAT_BDOC) ||
(ddoc.getVersion().equals(SignedDoc.VERSION_1_3)) ? m_dateFormatXAdES : m_dateFormat);
SimpleDateFormat f = new SimpleDateFormat(sF);
f.setTimeZone(TimeZone.getTimeZone("GMT+00:00"));
str = f.format(d);
}
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_DATE_FORMAT);
}
return str;
}
public static String convX509Name(X500Principal principal)
{
String sName = principal.getName(X509_NAME_RFC);
return sName;
}
public static String getTrace(Throwable ex)
{
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
ex.printStackTrace(pw);
return sw.toString();
}
/**
* Adds ASN.1 structure prefix to digest value to be signed
* @param digest digest value to be signed
* @return prefixed digest value
*/
public static byte[] addDigestAsn1Prefix(byte[] digest)
{
byte[] ddata = null;
/*if(digest.length == SignedDoc.SHA1_DIGEST_LENGTH) {
ddata = new byte[sha1AlgPrefix.length + digest.length + 1];
System.arraycopy(sha1AlgPrefix, 0, ddata, 0, sha1AlgPrefix.length);
System.arraycopy(digest, 0, ddata,
sha1AlgPrefix.length + 1, digest.length);
}*/
if(digest.length == SignedDoc.SHA1_DIGEST_LENGTH) {
ddata = new byte[sha1AlgPrefix1.length + digest.length];
System.arraycopy(sha1AlgPrefix1, 0, ddata, 0, sha1AlgPrefix1.length);
System.arraycopy(digest, 0, ddata,
sha1AlgPrefix1.length, digest.length);
}
if(digest.length == SignedDoc.SHA224_DIGEST_LENGTH) {
ddata = new byte[sha224AlgPrefix1.length + digest.length];
System.arraycopy(sha224AlgPrefix1, 0, ddata, 0, sha224AlgPrefix1.length);
System.arraycopy(digest, 0, ddata,
sha224AlgPrefix1.length, digest.length);
}
if(digest.length == SignedDoc.SHA256_DIGEST_LENGTH) {
ddata = new byte[sha256AlgPrefix1.length + digest.length];
System.arraycopy(sha256AlgPrefix1, 0, ddata, 0, sha256AlgPrefix1.length);
System.arraycopy(digest, 0, ddata,
sha256AlgPrefix1.length, digest.length);
}
if(digest.length == SignedDoc.SHA512_DIGEST_LENGTH) {
ddata = new byte[sha512AlgPrefix1.length + digest.length];
System.arraycopy(sha512AlgPrefix1, 0, ddata, 0, sha512AlgPrefix1.length);
System.arraycopy(digest, 0, ddata,
sha512AlgPrefix1.length, digest.length);
}
return ddata;
}
public static boolean compareBytes(byte[] srch, byte[] from, int idx1)
{
if(m_logger.isDebugEnabled())
m_logger.debug("Find: \'" + SignedDoc.bin2hex(srch) + "\' int: \'" + SignedDoc.bin2hex(from) + "\' starting: " + idx1);
if(srch != null && from != null && idx1 >= 0 && ((idx1 + srch.length) < from.length)) {
for(int i = idx1; i < idx1 + srch.length; i++) {
if(m_logger.isDebugEnabled())
m_logger.debug("Pos: " + i + " " + from[i] + " - " + srch[i-idx1]);
if(from[i] != srch[i-idx1])
return false;
}
return true;
}
return false;
}
public static String findNonceDigType(byte[] digest)
{
if(digest.length == SignedDoc.SHA1_DIGEST_LENGTH + 2)
return SignedDoc.SHA1_DIGEST_TYPE;
if(digest.length == SignedDoc.SHA224_DIGEST_LENGTH + 2)
return SignedDoc.SHA224_DIGEST_TYPE;
if(digest.length == SignedDoc.SHA256_DIGEST_LENGTH + 2)
return SignedDoc.SHA256_DIGEST_TYPE;
if(digest.length == SignedDoc.SHA512_DIGEST_LENGTH + 2)
return SignedDoc.SHA512_DIGEST_TYPE;
return null;
}
public static String findDigType(byte[] digest)
{
if((compareBytes(sha1AlgPrefix13Bad, digest, 0) && digest.length == 34) ||
(compareBytes(sha1AlgPrefix15Bad, digest, 0) && digest.length == 36))
return SignedDoc.SHA1_DIGEST_TYPE_BAD;
if(compareBytes(sha1AlgPrefix1, digest, 0) ||
compareBytes(sha1AlgPrefix2, digest, 0))
return SignedDoc.SHA1_DIGEST_TYPE;
if(compareBytes(sha224AlgPrefix1, digest, 0) ||
compareBytes(sha224AlgPrefix2, digest, 0))
return SignedDoc.SHA224_DIGEST_TYPE;
if(compareBytes(sha256AlgPrefix1, digest, 0) ||
compareBytes(sha256AlgPrefix2, digest, 0))
return SignedDoc.SHA256_DIGEST_TYPE;
if(compareBytes(sha512AlgPrefix1, digest, 0) ||
compareBytes(sha512AlgPrefix2, digest, 0))
return SignedDoc.SHA512_DIGEST_TYPE;
return null;
}
public static byte[] removePrefix(byte[] digest)
{
int nLen = 0;
if(compareBytes(sha1AlgPrefix1, digest, 0))
nLen = sha1AlgPrefix1.length;
else if(compareBytes(sha1AlgPrefix2, digest, 0))
nLen = sha1AlgPrefix2.length;
else if(compareBytes(sha224AlgPrefix1, digest, 0))
nLen = sha224AlgPrefix1.length;
else if(compareBytes(sha224AlgPrefix2, digest, 0))
nLen = sha224AlgPrefix2.length;
else if(compareBytes(sha256AlgPrefix1, digest, 0))
nLen = sha256AlgPrefix1.length;
else if(compareBytes(sha256AlgPrefix2, digest, 0))
nLen = sha256AlgPrefix2.length;
else if(compareBytes(sha512AlgPrefix1, digest, 0))
nLen = sha512AlgPrefix1.length;
else if(compareBytes(sha512AlgPrefix2, digest, 0))
nLen = sha512AlgPrefix2.length;
if(nLen > 0) {
byte[] ndig = new byte[digest.length - nLen];
System.arraycopy(digest,
digest.length - ndig.length,
ndig, 0, ndig.length);
return ndig;
}
return null;
}
/*
* IB-4056 this method was commented out because it requires caller to know
* the prefix used. If this is not the case error will occur.
* Use instead byte[] removePrefix(byte[] digest) that determines which prefix
* is used before removing it.
*/
/*public static byte[] removePrefixByType(byte[] digest, String digType)
{
int nLen = 0;
if(digType.equals(SignedDoc.SHA1_DIGEST_TYPE))
nLen = sha1AlgPrefix1.length;
else if(digType.equals(SignedDoc.SHA224_DIGEST_TYPE))
nLen = sha224AlgPrefix1.length;
else if(digType.equals(SignedDoc.SHA256_DIGEST_TYPE))
nLen = sha256AlgPrefix1.length;
else if(digType.equals(SignedDoc.SHA512_DIGEST_TYPE))
nLen = sha512AlgPrefix1.length;
if(nLen > 0) {
byte[] ndig = new byte[digest.length - nLen];
System.arraycopy(digest,
digest.length - ndig.length,
ndig, 0, ndig.length);
return ndig;
}
return null;
}*/
/**
* Helper method to convert a string
* to a Date object from xsd:date format
* @param str stringified date (xsd:date
* @param ddoc signed doc
* @return Date object
* @throws DigiDocException for errors
*/
public static Date string2date(String str, SignedDoc ddoc)
throws DigiDocException
{
Date d = null;
String sF = null;
try {
sF = (ddoc.getFormat().equals(SignedDoc.FORMAT_BDOC) ||
(ddoc.getVersion().equals(SignedDoc.VERSION_1_3) ||
ddoc.getFormat().equals(SignedDoc.FORMAT_BDOC)) ? m_dateFormatXAdES :
(ddoc.getFormat().equals(SignedDoc.FORMAT_SK_XML) ? m_dateFormatIso8601 : m_dateFormat));
SimpleDateFormat f = new SimpleDateFormat(sF);
if(!ddoc.getFormat().equals(SignedDoc.FORMAT_SK_XML))
f.setTimeZone(TimeZone.getTimeZone("GMT+00:00"));
if(str != null && str.length() > 0)
d = f.parse(str.trim());
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_DATE_FORMAT);
}
return d;
}
/**
* Helper method to convert a string
* to a Date object from xsd:date format
* @param str stringified date (xsd:date
* @return Date object
* @throws DigiDocException for errors
*/
public static Date str2date(String str)
{
Date d = null;
try {
// use default value to get a meaningful error message
SimpleDateFormat f = new SimpleDateFormat(m_dateFormatXAdES);
// test other possibilities
if(str != null && str.length() >= 20 && str.charAt(10) == 'T') {
if(str.charAt(4) == '-' && str.charAt(7) == '-') {
if(str.length() > 20)
f = new SimpleDateFormat(m_dateFormatXAdESSSS);
else
f = new SimpleDateFormat(m_dateFormatXAdES);
}
if(str.charAt(4) == '.' && str.charAt(7) == '.') {
if(str.length() > 20) {
if(str.charAt(20) == '-')
f = new SimpleDateFormat(m_dateFormatIso8601);
else
f = new SimpleDateFormat(m_dateFormatSSS);
} else
f = new SimpleDateFormat(m_dateFormat);
}
f.setTimeZone(TimeZone.getTimeZone("GMT+00:00"));
d = f.parse(str.trim());
}
} catch(Exception ex) {
m_logger.error("Error parsing date: " + str + " - " + ex);
}
return d;
}
/**
* Helper method to convert a string
* to a BigInteger object
* @param str stringified date (xsd:date
* @return BigInteger object
* @throws DigiDocException for errors
*/
public static BigInteger string2bigint(String str)
throws DigiDocException
{
BigInteger b = null;
try {
if(str != null && str.length() > 0)
b = new BigInteger(str.trim());
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_NUMBER_FORMAT);
}
return b;
}
/**
* Helper method to convert a String
* to UTF-8
* @param data input data
* @param codepage codepage of input bytes
* @return UTF-8 string
* @throws DigiDocException for errors
*/
public static byte[] data2utf8(byte[] data, String codepage)
throws DigiDocException
{
byte[] bdata = null;
try {
String str = new String(data, codepage);
bdata = str.getBytes("UTF-8");
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_UTF8_CONVERT);
}
return bdata;
}
/**
* Converts to UTF-8 byte array
* @param str input data
* @return byte array of string in desired codepage
* @throws DigiDocException for errors
*/
public static byte[] str2data(String str)
throws DigiDocException
{
return str2data(str, "UTF-8");
}
/**
* Helper method to convert a String
* to byte array of any codepage
* @param data input data
* @param codepage codepage of output bytes
* @return byte array of string in desired codepage
* @throws DigiDocException for errors
*/
public static byte[] str2data(String str, String codepage)
throws DigiDocException
{
byte[] bdata = null;
try {
bdata = str.getBytes(codepage);
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_UTF8_CONVERT);
}
return bdata;
}
/**
* Helper method to convert a String
* to UTF-8
* @param data input data
* @param codepage codepage of input bytes
* @return UTF-8 string
* @throws DigiDocException for errors
*/
public static String data2str(byte[] data, String codepage)
throws DigiDocException
{
String str = null;
try {
str = new String(data, codepage);
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_UTF8_CONVERT);
}
return str;
}
/**
* Helper method to convert an UTF-8
* String to non-utf8 string
* @param UTF-8 input data
* @return normal string
* @throws DigiDocException for errors
*/
public static String utf82str(String data)
throws DigiDocException
{
String str = null;
try {
byte[] bdata = data.getBytes();
str = new String(bdata, "UTF-8");
} catch(Exception ex) {
DigiDocException.handleException(ex, DigiDocException.ERR_UTF8_CONVERT);
}
return str;
}
/**
* Checks if the certificate identified by this CN is
* a known OCSP responders cert
* @param cn certificates common name
* @return true if this is a known OCSP cert
*/
public static boolean isKnownOCSPCert(String cn)
{
int nOcsps = ConfigManager.instance().getIntProperty("DIGIDOC_OCSP_COUNT", 0);
//if(m_logger.isDebugEnabled())
// m_logger.debug("OCSPs: " + nOcsps);
for(int i = 0; i < nOcsps; i++) {
String s = ConfigManager.instance().getProperty("DIGIDOC_OCSP" + (i+1) + "_CN");
//if(m_logger.isDebugEnabled())
// m_logger.debug("DIGIDOC_OCSP" + (i+1) + "_CN" + "=>" + s);
if(s != null && s.equals(cn))
return true;
}
return false;
}
public static void addKnownOCSPCert(String cn)
{
int nOcsps = ConfigManager.instance().getIntProperty("DIGIDOC_OCSP_COUNT", 0);
//if(m_logger.isDebugEnabled())
// m_logger.debug("OCSPs: " + nOcsps);
nOcsps++;
String key = "DIGIDOC_OCSP" + nOcsps + "_CN";
ConfigManager.instance().setStringProperty(key, cn);
ConfigManager.instance().setStringProperty("DIGIDOC_OCSP_COUNT", new Integer(nOcsps).toString());
//if(m_logger.isDebugEnabled())
// m_logger.debug(key + "=>" + cn + " count: " + nOcsps);
}
/**
* Checks if the certificate identified by this CN is
* a known TSA cert
* @param cn certificates common name
* @return true if this is a known TSA cert
*/
public static boolean isKnownTSACert(String cn)
{
int nTsas = ConfigManager.instance().getIntProperty("DIGIDOC_TSA_COUNT", 0);
for(int i = 0; i < nTsas; i++) {
String s = ConfigManager.instance().getProperty("DIGIDOC_TSA" + (i+1) + "_CN");
if(s != null && s.equals(cn))
return true;
}
return false;
}
public static void addKnownTSACert(String cn)
{
int nOcsps = ConfigManager.instance().getIntProperty("DIGIDOC_TSA_COUNT", 0);
//if(m_logger.isDebugEnabled())
// m_logger.debug("OCSPs: " + nOcsps);
nOcsps++;
String key = "DIGIDOC_TSA" + nOcsps + "_CN";
ConfigManager.instance().setStringProperty(key, cn);
ConfigManager.instance().setStringProperty("DIGIDOC_TSA_COUNT", new Integer(nOcsps).toString());
//if(m_logger.isDebugEnabled())
// m_logger.debug(key + "=>" + cn + " count: " + nOcsps);
}
/**
* return CN part of DN
* @return CN part of DN or null
*/
public static String getCommonName(String dn) {
String name = null;
if(m_logger.isDebugEnabled())
m_logger.debug("DN: " + dn);
if(dn != null) {
int idx1 = dn.indexOf("CN=");
if(idx1 != -1) {
idx1 += 2;
while(idx1 < dn.length() &&
!Character.isLetter(dn.charAt(idx1)))
idx1++;
int idx2 = idx1;
while(idx2 < dn.length() &&
dn.charAt(idx2) != '\"' &&
dn.charAt(idx2) != '\\' &&
(dn.charAt(idx2) != ',' /*|| dn.charAt(idx2-1) != '\\'*/) &&
dn.charAt(idx2) != '/')
idx2++;
name = dn.substring(idx1, idx2);
}
}
return name;
}
/**
* return CN part of DN
* @return CN part of DN or null
*/
/*public static String getDnPart(X509Certificate cert, String attr) {
String value = null;
if(cert != null) {
Principal pr = cert.getSubjectDN();
pr.ge
}
return value;
}*/
/**
* return CN part of DN
* @return CN part of DN or null
*/
public static String getDnPart(String dn, String attr) {
String name = null;
if(dn != null) {
int idx1 = dn.indexOf(attr+ "=");
if(idx1 != -1) {
idx1 += attr.length() + 1;
/*while(idx1 < dn.length() &&
!Character.isLetter(dn.charAt(idx1)))
idx1++;*/
int idx2 = idx1;
while(idx2 < dn.length() &&
dn.charAt(idx2) != ',' &&
dn.charAt(idx2) != '/' &&
dn.charAt(idx2) != ' ')
idx2++;
name = dn.substring(idx1, idx2);
}
}
return name;
}
public static byte[] getBytesFromFile(File file ) throws IOException {
InputStream is = new FileInputStream(file);
// Get the size of the file
long length = file.length();
if (length > Integer.MAX_VALUE) {
// File is too large
}
// Create the byte array to hold the data
byte[] bytes = new byte[(int)length];
// Read in the bytes
int offset = 0;
int numRead = 0;
while (offset < bytes.length
&& (numRead=is.read(bytes, offset, bytes.length-offset)) >= 0) {
offset += numRead;
}
// Ensure all the bytes have been read in
if (offset < bytes.length) {
throw new IOException("Could not completely read file "+file.getName());
}
// Close the input stream and return bytes
is.close();
return bytes;
}
/**
* Converts a hex string to byte array
* @param hexString input data
* @return byte array
*/
public static byte[] hex2bin(String hexString)
{
ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
for(int i = 0; (hexString != null) &&
(i < hexString.length()); i += 2) {
String tmp = hexString.substring(i, i+2);
Integer x = new Integer(Integer.parseInt(tmp, 16));
bos.write(x.byteValue());
}
} catch(Exception ex) {
m_logger.error("Error converting hex string: " + ex);
}
return bos.toByteArray();
}
/**
* Converts a byte array to hex string
* @param arr byte array input data
* @return hex string
*/
public static String bin2hex(byte[] arr)
{
StringBuffer sb = new StringBuffer();
for(int i = 0; i < arr.length; i++) {
String str = Integer.toHexString((int)arr[i]);
if(str.length() == 2)
sb.append(str);
if(str.length() < 2) {
sb.append("0");
sb.append(str);
}
if(str.length() > 2)
sb.append(str.substring(str.length()-2));
}
return sb.toString();
}
private static final String hexChars = "0123456789ABCDEF";
public static boolean isHexDigit(char c) {
char c2 = Character.toUpperCase(c);
for(int i = 0; i < hexChars.length(); i++)
if(hexChars.charAt(i) == c2)
return true;
return false;
}
public static String uriDecode(String s1)
{
if(s1 == null || s1.length() == 0)
return s1;
try {
String s = s1;
s = replaceStr(s, '+', "%2B");
s = URLDecoder.decode(s, "UTF-8");
if(m_logger.isDebugEnabled())
m_logger.debug("URI: " + s1 + " decoded: " + s);
return s;
} catch(Exception ex) {
m_logger.error("Error decoding bytes: " + ex);
}
return null;
}
private static String replaceStr(String src, char c1, String rep)
{
StringBuffer sb = new StringBuffer();
for(int i = 0; (src != null) && (i < src.length()); i++) {
char c2 = src.charAt(i);
if(c2 == c1)
sb.append(rep);
else
sb.append(c2);
}
return sb.toString();
}
/*
Not converting:
(From RFC 2396 "URI Generic Syntax")
reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | ","
mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
*/
public static String uriEncode(String s1)
{
try {
String s = s1;
//s = replaceStr(s, '[', "%5B");
//s = replaceStr(s, ']', "%5D");
if(m_logger.isDebugEnabled())
m_logger.debug("Before uri-enc: " + s);
s = URLEncoder.encode(s, "UTF-8");
s = replaceStr(s, '+', "%20");
// restore mark chars that got converted
s = s.replaceAll("%21", "!");
s = s.replaceAll("%40", "@");
s = s.replaceAll("%27", "\'");
s = s.replaceAll("%24", Matcher.quoteReplacement("$"));
s = s.replaceAll("%7E", "~");
s = s.replaceAll("%26", Matcher.quoteReplacement("&"));
s = s.replaceAll("%28", "(");
s = s.replaceAll("%29", ")");
s = s.replaceAll("%3D", "=");
s = s.replaceAll("%2B", "+");
s = s.replaceAll("%2C", ",");
s = s.replaceAll("%3B", ";");
s = s.replaceAll("%2F", "/");
s = s.replaceAll("%3F", "?");
s = s.replaceAll("%3A", ":");
if(m_logger.isDebugEnabled())
m_logger.debug("URI: " + s1 + " encoded: " + s);
return s;
} catch(Exception ex) {
m_logger.error("Error encoding bytes: " + ex);
}
return null;
}
/*
Not converting:
(From RFC RFC 3986 "URI Generic Syntax")
unreserved = ALPHA / DIGIT / “-” / “.” / “_” / “~”
gen-delims = “:” / “/” / “?” / “#” / “[” / “]” / “@”
sub-delims = "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "="
*/
public static String uriEncodePath(String s1)
{
try {
String s = s1;
//s = replaceStr(s, '[', "%5B");
//s = replaceStr(s, ']', "%5D");
if(m_logger.isDebugEnabled())
m_logger.debug("Before uri-path-enc: " + s);
s = URLEncoder.encode(s, "UTF-8");
s = replaceStr(s, '+', "%20");
s = s.replaceAll("%7E", "~");
// the following chars are not restored for compatibility with CPP and Digidoc4j
// s = s.replaceAll("%26", Matcher.quoteReplacement("&"));
// s = s.replaceAll("%21", "!");
// s = s.replaceAll("%40", "@");
// s = s.replaceAll("%27", "\'");
// s = s.replaceAll("%24", Matcher.quoteReplacement("$"));
// s = s.replaceAll("%28", "(");
// s = s.replaceAll("%29", ")");
// s = s.replaceAll("%3D", "=");
// s = s.replaceAll("%2B", "+");
// s = s.replaceAll("%2C", ",");
// s = s.replaceAll("%3B", ";");
// s = s.replaceAll("%2F", "/");
// s = s.replaceAll("%3F", "?");
if(m_logger.isDebugEnabled())
m_logger.debug("URI path: " + s1 + " encoded: " + s);
return s;
} catch(Exception ex) {
m_logger.error("Error encoding path: " + ex);
}
return null;
}
public static String escapeXmlSymbols(String s1)
{
if(s1 == null || s1.length() == 0)
return s1;
StringBuffer sb = new StringBuffer();
try {
for(int i = 0; i < s1.length(); i++) {
char c1 = s1.charAt(i);
if(c1 == '&') {
sb.append("&");
} else if(c1 == '<') {
sb.append("<");
} else if(c1 == '>') {
sb.append(">");
} else if(c1 == '\r') {
sb.append("
");
} else if(c1 == '\'') {
sb.append("'");
} else if(c1 == '\"') {
sb.append(""");
} else
sb.append(c1);
}
} catch(Exception ex) {
m_logger.error("Error converting bytes: " + ex);
}
return sb.toString();
}
public static String escapeTextNode(String s1)
{
if(s1 == null || s1.length() == 0)
return s1;
StringBuffer sb = new StringBuffer();
try {
for(int i = 0; i < s1.length(); i++) {
char c1 = s1.charAt(i);
if(c1 == '&') {
sb.append("&");
} else if(c1 == '<') {
sb.append("<");
} else if(c1 == '>') {
sb.append(">");
} else if(c1 == '\r') {
sb.append("
");
} else
sb.append(c1);
}
} catch(Exception ex) {
m_logger.error("Error converting bytes: " + ex);
}
return sb.toString();
}
public static String unescapeXmlSymbols(String s1)
{
String s2 = s1.replaceAll("<", "<");
s2 = s2.replaceAll(">", ">");
s2 = s2.replaceAll(">", ">");
s2 = s2.replaceAll("
", "\r");
s2 = s2.replaceAll("'", "'");
s2 = s2.replaceAll(""", "\"");
s2 = s2.replaceAll("&", "&");
s2 = s2.replaceAll("
", "\n");
return s2;
}
/**
* Returns a string representation of an int element
* with it's value for debug & log purposes
* @param name element name
* @param value elements value
* @return stringified element representation
*/
public static String intElemToString(String name, int value)
{
StringBuffer sb = new StringBuffer();
if(value != 0) {
sb.append("(");
sb.append(name);
sb.append("=");
sb.append(value);
sb.append(")");
}
return sb.toString();
}
/**
* Returns a string representation of an long element
* with it's value for debug & log purposes
* @param name element name
* @param value elements value
* @return stringified element representation
*/
public static String longElemToString(String name, long value)
{
StringBuffer sb = new StringBuffer();
if(value != 0) {
sb.append("(");
sb.append(name);
sb.append("=");
sb.append(value);
sb.append(")");
}
return sb.toString();
}
/**
* Returns a string representation of an double element
* with it's value for debug & log purposes
* @param name element name
* @param value elements value
* @return stringified element representation
*/
public static String doubleElemToString(String name, double value)
{
StringBuffer sb = new StringBuffer();
if(value != 0) {
sb.append("(");
sb.append(name);
sb.append("=");
sb.append(value);
sb.append(")");
}
return sb.toString();
}
/**
* Returns a string representation of a boolean element
* with it's value for debug & log purposes
* @param name element name
* @param value elements value
* @param bShowFalse show also false values or not
* @return stringified element representation
*/
public static String booleanElemToString(String name, boolean value, boolean bShowFalse)
{
StringBuffer sb = new StringBuffer();
if(value || (!value && bShowFalse)) {
sb.append("(");
sb.append(name);
sb.append("=");
sb.append(value);
sb.append(")");
}
return sb.toString();
}
/**
* Returns a string representation of a string element
* with it's value for debug & log purposes
* @param name element name
* @param value elements value
* @return stringified element representation
*/
public static String stringElemToString(String name, String value)
{
StringBuffer sb = new StringBuffer();
if(value != null) {
sb.append("(");
sb.append(name);
sb.append("=");
sb.append(value);
sb.append(")");
}
return sb.toString();
}
/**
* Returns a string representation of a date element
* with it's value for debug & log purposes
* @param name element name
* @param value elements value
* @return stringified element representation
*/
public static String dateElemToString(String name, Date value)
{
StringBuffer sb = new StringBuffer();
if(value != null) {
sb.append("(");
sb.append(name);
sb.append("=");
Calendar cal = Calendar.getInstance();
cal.setTime(value);
sb.append(cal.get(Calendar.DAY_OF_MONTH));
sb.append(".");
sb.append(cal.get(Calendar.MONTH)+1);
sb.append(".");
sb.append(cal.get(Calendar.YEAR));
sb.append(")");
}
return sb.toString();
}
/**
* Converts a List of MultiLangStrings to array
* @param l List object
* @return array of MultiLangString objects
*/
public static MultiLangString[] list2mls(List l) {
MultiLangString[] arr = null;
if(l != null && l.size() > 0) {
arr = new MultiLangString[l.size()];
for(int i = 0; i < l.size(); i++)
arr[i] = (MultiLangString)l.get(i);
}
return arr;
}
/**
* Converts a List of Datew to array
* @param l List object
* @return array of Date objects
*/
public static Date[] list2dates(List l) {
Date[] arr = null;
if(l != null && l.size() > 0) {
arr = new Date[l.size()];
for(int i = 0; i < l.size(); i++)
arr[i] = (Date)l.get(i);
}
return arr;
}
/**
* Converts a List of String to array
* @param l List object
* @return array of String objects
*/
public static String[] list2strings(List l) {
String[] arr = null;
if(l != null && l.size() > 0) {
arr = new String[l.size()];
for(int i = 0; i < l.size(); i++)
arr[i] = (String)l.get(i);
}
return arr;
}
public static List addObject(List l, Object o) {
if(l == null)
l = new ArrayList();
l.add(o);
return l;
}
/**
* Returns a MultiLangString from List
* @param l List object
* @param n index
* @return MultiLangString object or null
*/
public static MultiLangString getListObj(List l, int n) {
if(l != null && n >= 0 && n < l.size())
return (MultiLangString)l.get(n);
else
return null;
}
/**
* Returns a String from List
* @param l List object
* @param n index
* @return String object or null
*/
public static String getListString(List l, int n) {
if(l != null && n >= 0 && n < l.size())
return (String)l.get(n);
else
return null;
}
/**
* Checks if cert has certain key-usage bit set
* @param cert certificate
* @param nKu key-usage flag nr
* @return true if set
*/
public static boolean checkCertKeyUsage(X509Certificate cert, int nKu)
{
if(cert != null) {
boolean keyUsages[] = cert.getKeyUsage();
if(keyUsages != null && nKu >= 0 && keyUsages.length > nKu && keyUsages[nKu] == true)
return true;
}
return false;
}
/**
* Checks if cert has non-repud bit set
* @param cert certificate
* @return true if set
*/
public static boolean isSignatureCert(X509Certificate cert)
{
return checkCertKeyUsage(cert, 1);
}
/**
* Checks if cert has data-encryption bit set
* @param cert certificate
* @return true if set
*/
public static boolean isEncryptCert(X509Certificate cert)
{
return checkCertKeyUsage(cert, 2);
}
/**
* Checks if cert has cert-signing (CA) bit set
* @param cert certificate
* @return true if set
*/
public static boolean isCACert(X509Certificate cert)
{
return checkCertKeyUsage(cert, 5);
}
}