/*
*
* Copyright (c) 2013 - 2017 Lijun Liao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
*
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* THE AUTHOR LIJUN LIAO. LIJUN LIAO DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the XiPKI software without
* disclosing the source code of your own applications.
*
* For more information, please contact Lijun Liao at this
* address: lijun.liao@gmail.com
*/
package org.xipki.pki.ca.common.cmp;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.xipki.commons.common.util.ParamUtil;
/**
* @author Lijun Liao
* @since 2.0.0
*/
public class CmpUtf8Pairs {
public static final String KEY_CERT_PROFILE = "CERT-PROFILE";
public static final String KEY_NOT_BEFORE = "NOT-BEFORE";
public static final String KEY_NOT_AFTER = "NOT-AFTER";
private static final char NAME_TERM = '?';
private static final char TOKEN_TERM = '%';
private final Map<String, String> pairs = new HashMap<>();
public CmpUtf8Pairs(final String name, final String value) {
putUtf8Pair(name, value);
}
public CmpUtf8Pairs() {
}
public CmpUtf8Pairs(final String encodedCmpUtf8Pairs) {
String encoded = ParamUtil.requireNonBlank("encodedCmpUtf8Pairs", encodedCmpUtf8Pairs);
// remove the ending '%'-symbols
while (encoded.charAt(encoded.length() - 1) == TOKEN_TERM) {
encoded = encoded.substring(0, encoded.length() - 1);
}
// find the position of terminators
List<Integer> positions = new LinkedList<>();
int idx = 1;
int len = encoded.length();
while (idx < len) {
char ch = encoded.charAt(idx++);
if (ch == TOKEN_TERM) {
char ch2 = encoded.charAt(idx);
if (ch2 < '0' || ch2 > '9') {
positions.add(idx - 1);
}
}
}
positions.add(encoded.length());
// parse the token
int beginIndex = 0;
for (int i = 0; i < positions.size(); i++) {
int endIndex = positions.get(i);
String token = encoded.substring(beginIndex, endIndex);
int sepIdx = token.indexOf(NAME_TERM);
if (sepIdx == -1 || sepIdx == token.length() - 1) {
throw new IllegalArgumentException("invalid token: " + token);
}
String name = token.substring(0, sepIdx);
name = decodeNameOrValue(name);
String value = token.substring(sepIdx + 1);
value = decodeNameOrValue(value);
pairs.put(name, value);
beginIndex = endIndex + 1;
}
} // constructor
public void putUtf8Pair(final String name, final String value) {
ParamUtil.requireNonNull("name", name);
ParamUtil.requireNonNull("value", value);
char ch = name.charAt(0);
if (ch >= '0' && ch <= '9') {
throw new IllegalArgumentException("name must not begin with " + ch);
}
pairs.put(name, value);
}
public void removeUtf8Pair(final String name) {
ParamUtil.requireNonNull("name", name);
pairs.remove(name);
}
public String getValue(final String name) {
ParamUtil.requireNonNull(name, name);
return pairs.get(name);
}
public Set<String> getNames() {
return Collections.unmodifiableSet(pairs.keySet());
}
public String getEncoded() {
StringBuilder sb = new StringBuilder();
List<String> names = new LinkedList<>();
for (String name : pairs.keySet()) {
String value = pairs.get(name);
if (value.length() <= 100) {
names.add(name);
}
}
Collections.sort(names);
for (String name : pairs.keySet()) {
if (!names.contains(name)) {
names.add(name);
}
}
for (String name : names) {
String value = pairs.get(name);
sb.append(encodeNameOrValue(name));
sb.append(NAME_TERM);
if (value != null) {
sb.append(encodeNameOrValue(value));
}
sb.append(TOKEN_TERM);
}
return sb.toString();
} // method getEncoded
@Override
public String toString() {
return getEncoded();
}
@Override
public int hashCode() {
return getEncoded().hashCode();
}
@Override
public boolean equals(final Object obj) {
if (!(obj instanceof CmpUtf8Pairs)) {
return false;
}
CmpUtf8Pairs objB = (CmpUtf8Pairs) obj;
return pairs.equals(objB.pairs);
}
private static String encodeNameOrValue(final String str) {
String tmpStr = str;
if (tmpStr.indexOf("%") != -1) {
tmpStr = tmpStr.replaceAll("%", "%25");
}
if (tmpStr.indexOf("?") != -1) {
tmpStr = tmpStr.replaceAll("\\?", "%3f");
}
return tmpStr;
}
private static String decodeNameOrValue(final String str) {
int idx = str.indexOf(TOKEN_TERM);
if (idx == -1) {
return str;
}
StringBuilder newS = new StringBuilder();
for (int i = 0; i < str.length();) {
char ch = str.charAt(i);
if (ch != TOKEN_TERM) {
newS.append(ch);
i++;
} else {
if (i + 3 <= str.length()) {
String hex = str.substring(i + 1, i + 3);
ch = (char) Byte.parseByte(hex, 16);
newS.append(ch);
i += 3;
} else {
newS.append(str.substring(i));
break;
}
}
}
return newS.toString();
} // method decodeNameOrValue
}