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/*
* Copyright (c) 2010-2018 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swiften/LinkLocal/LinkLocalServiceInfo.h>
#include <boost/lexical_cast.hpp>
#include <boost/numeric/conversion/cast.hpp>
#include <Swiften/Base/Algorithm.h>
#include <Swiften/Base/Concat.h>
#include <Swiften/Base/Log.h>
namespace Swift {
boost::optional<ByteArray> LinkLocalServiceInfo::toTXTRecord() const {
try {
ByteArray result(getEncoded("txtvers=1"));
if (!firstName.empty()) {
append(result, getEncoded("1st=" + firstName));
}
if (!lastName.empty()) {
append(result, getEncoded("last=" + lastName));
}
if (!email.empty()) {
append(result, getEncoded("email=" + email));
}
if (jid.isValid()) {
append(result, getEncoded("jid=" + jid.toString()));
}
if (!message.empty()) {
append(result, getEncoded("msg=" + message));
}
if (!nick.empty()) {
append(result, getEncoded("nick=" + nick));
}
if (port) {
append(result, getEncoded("port.p2pj=" + std::string(std::to_string(*port))));
}
switch (status) {
case Available: append(result, getEncoded("status=avail")); break;
case Away: append(result, getEncoded("status=away")); break;
case DND: append(result, getEncoded("status=dnd")); break;
}
return result;
}
catch (const std::exception& e) {
SWIFT_LOG(warning) << "Failed to create TXT record for link local service info: " << e.what() << std::endl;
return boost::none;
}
}
ByteArray LinkLocalServiceInfo::getEncoded(const std::string& s) {
ByteArray sizeByte;
sizeByte.resize(1);
sizeByte[0] = boost::numeric_cast<unsigned char>(s.size());
return concat(sizeByte, createByteArray(s));
}
LinkLocalServiceInfo LinkLocalServiceInfo::createFromTXTRecord(const ByteArray& record) {
LinkLocalServiceInfo info;
size_t i = 0;
size_t recordCount = record.size();
while (i < recordCount) {
std::pair<std::string,std::string> entry = readEntry(record, &i);
if (entry.first.empty()) {
break;
}
else if (entry.first == "1st") {
info.setFirstName(entry.second);
}
else if (entry.first == "last") {
info.setLastName(entry.second);
}
else if (entry.first == "email") {
info.setEMail(entry.second);
}
else if (entry.first == "jid") {
info.setJID(JID(entry.second));
}
else if (entry.first == "msg") {
info.setMessage(entry.second);
}
else if (entry.first == "nick") {
info.setNick(entry.second);
}
else if (entry.first == "port.p2pj") {
try {
info.setPort(boost::numeric_cast<unsigned short>(boost::lexical_cast<int>(entry.second)));
}
catch (const boost::bad_lexical_cast&) {
}
catch (const boost::numeric::bad_numeric_cast&) {
}
}
else if (entry.first == "status") {
if (entry.second == "away") {
info.setStatus(Away);
}
else if (entry.second == "dnd") {
info.setStatus(DND);
}
}
}
return info;
}
std::pair<std::string,std::string> LinkLocalServiceInfo::readEntry(const ByteArray& record, size_t* index) {
size_t& i = *index;
std::string key;
std::string value;
size_t entryEnd = i + 1 + record[i];
++i;
bool inKey = true;
while (i < entryEnd && i < record.size()) {
if (inKey) {
if (record[i] == '=') {
inKey = false;
}
else {
key += static_cast<char>(record[i]);
}
}
else {
value += static_cast<char>(record[i]);
}
++i;
}
return std::make_pair(key, value);
}
}
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Swift