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/*
* Copyright (c) 2010-2013 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/SASL/DIGESTMD5Properties.h>
#include <Swiften/Base/Algorithm.h>
namespace Swift {
namespace {
bool insideQuotes(const ByteArray& v) {
if (v.empty()) {
return false;
}
else if (v.size() == 1) {
return v[0] == '"';
}
else if (v[0] == '"') {
return v[v.size() - 1] != '"';
}
else {
return false;
}
}
ByteArray stripQuotes(const ByteArray& v) {
const char* data = reinterpret_cast<const char*>(vecptr(v));
size_t size = v.size();
if (v[0] == '"') {
data++;
size--;
}
if (v[v.size() - 1] == '"') {
size--;
}
return createByteArray(data, size);
}
}
DIGESTMD5Properties::DIGESTMD5Properties() {
}
DIGESTMD5Properties DIGESTMD5Properties::parse(const ByteArray& data) {
DIGESTMD5Properties result;
bool inKey = true;
ByteArray currentKey;
ByteArray currentValue;
for (size_t i = 0; i < data.size(); ++i) {
char c = static_cast<char>(data[i]);
if (inKey) {
if (c == '=') {
inKey = false;
}
else {
currentKey.push_back(static_cast<unsigned char>(c));
}
}
else {
if (c == ',' && !insideQuotes(currentValue)) {
std::string key = byteArrayToString(currentKey);
if (isQuoted(key)) {
result.setValue(key, byteArrayToString(stripQuotes(currentValue)));
}
else {
result.setValue(key, byteArrayToString(currentValue));
}
inKey = true;
currentKey = ByteArray();
currentValue = ByteArray();
}
else {
currentValue.push_back(static_cast<unsigned char>(c));
}
}
}
if (!currentKey.empty()) {
std::string key = byteArrayToString(currentKey);
if (isQuoted(key)) {
result.setValue(key, byteArrayToString(stripQuotes(currentValue)));
}
else {
result.setValue(key, byteArrayToString(currentValue));
}
}
return result;
}
ByteArray DIGESTMD5Properties::serialize() const {
ByteArray result;
for(DIGESTMD5PropertiesMap::const_iterator i = properties.begin(); i != properties.end(); ++i) {
if (i != properties.begin()) {
result.push_back(',');
}
append(result, createByteArray(i->first));
result.push_back('=');
if (isQuoted(i->first)) {
append(result, createByteArray("\""));
append(result, i->second);
append(result, createByteArray("\""));
}
else {
append(result, i->second);
}
}
return result;
}
boost::optional<std::string> DIGESTMD5Properties::getValue(const std::string& key) const {
DIGESTMD5PropertiesMap::const_iterator i = properties.find(key);
if (i != properties.end()) {
return byteArrayToString(i->second);
}
else {
return boost::optional<std::string>();
}
}
void DIGESTMD5Properties::setValue(const std::string& key, const std::string& value) {
properties.insert(DIGESTMD5PropertiesMap::value_type(key, createByteArray(value)));
}
bool DIGESTMD5Properties::isQuoted(const std::string& p) {
return p == "authzid" || p == "cnonce" || p == "digest-uri" || p == "nonce" || p == "realm" || p == "username";
}
}
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Swift