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/*
* Copyright (c) 2010-2013 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
/*
* Copyright (c) 2015 Tarun Gupta.
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
package com.isode.stroke.sasl;
import com.isode.stroke.sasl.ClientAuthenticator;
import com.isode.stroke.base.SafeByteArray;
import com.isode.stroke.base.ByteArray;
import java.util.TreeMap;
import java.util.Map;
import java.util.Vector;
public class DIGESTMD5Properties {
// Swiften uses std::multimap, but this is not required, so a TreeMap is used here.
private TreeMap<String, ByteArray> properties = new TreeMap<String, ByteArray>();
static boolean insideQuotes(final ByteArray v) {
if (v.isEmpty()) {
return false;
}
else if (v.getSize() == 1) {
return v.getData()[0] == '"';
}
else if (v.getData()[0] == '"') {
return v.getData()[v.getSize() - 1] != '"';
}
else {
return false;
}
}
static ByteArray stripQuotes(final ByteArray v) {
String s = new String(v.getData()); // possibly with a charset
int size = v.getSize();
int i = 0;
if(s.charAt(0) == '"') {
i++;
size--;
}
if(s.charAt(v.getSize() - 1) == '"') {
size--;
}
String data = s.substring(i, size+1);
return new ByteArray(data);
}
public DIGESTMD5Properties() {
}
public String getValue(final String key) {
if (properties.containsKey(key)) {
return properties.get(key).toString();
}
else {
return null;
}
}
public void setValue(final String key, final String value) {
if(!(properties.containsKey(key))) {
properties.put(key, new ByteArray(value));
}
}
public ByteArray serialize() {
ByteArray result = new ByteArray();
for(Map.Entry<String, ByteArray> entry : properties.entrySet()) {
if(entry.getKey() != properties.firstKey()) {
result.append((byte)(','));
}
result.append(new ByteArray(entry.getKey()));
result.append((byte)('='));
if (isQuoted(entry.getKey())) {
result.append(new ByteArray("\""));
result.append(entry.getValue()); //It does not iterate over all values possible for this key. So no need for MultiMap. Also serialize test also indicates the same.
result.append(new ByteArray("\""));
}
else {
result.append(entry.getValue());
}
}
return result;
}
public static DIGESTMD5Properties parse(final ByteArray data) {
DIGESTMD5Properties result = new DIGESTMD5Properties();
boolean inKey = true;
ByteArray currentKey = new ByteArray();
ByteArray currentValue = new ByteArray();
byte[] byteArrayData = data.getData();
for (int i = 0; i < data.getSize(); ++i) {
char c = (char)(byteArrayData[i]);
if (inKey) {
if (c == '=') {
inKey = false;
}
else {
currentKey.append((byte)(c));
}
}
else {
if (c == ',' && !insideQuotes(currentValue)) {
String key = currentKey.toString();
if (isQuoted(key)) {
result.setValue(key, stripQuotes(currentValue).toString());
}
else {
result.setValue(key, currentValue.toString());
}
inKey = true;
currentKey = new ByteArray();
currentValue = new ByteArray();
}
else {
currentValue.append((byte)(c));
}
}
}
if (!currentKey.isEmpty()) {
String key = currentKey.toString();
if (isQuoted(key)) {
result.setValue(key, stripQuotes(currentValue).toString());
}
else {
result.setValue(key, currentValue.toString());
}
}
return result;
}
private static boolean isQuoted(final String p) {
return p.equals("authzid") || p.equals("cnonce") || p.equals("digest-uri") || p.equals("nonce") || p.equals("realm") || p.equals("username");
}
}
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Swift