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/*
* Copyright (c) 2010-2016 Isode Limited.
* All rights reserved.
* See the COPYING file for more information.
*/
#include <Swift/Controllers/Storages/VCardFileStorage.h>
#include <iostream>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <Swiften/Base/Path.h>
#include <Swiften/Base/String.h>
#include <Swiften/Crypto/CryptoProvider.h>
#include <Swiften/Elements/VCard.h>
#include <Swiften/Entity/GenericPayloadPersister.h>
#include <Swiften/JID/JID.h>
#include <Swiften/Parser/PayloadParsers/UnitTest/PayloadParserTester.h>
#include <Swiften/Parser/PayloadParsers/VCardParser.h>
#include <Swiften/Serializer/PayloadSerializers/VCardSerializer.h>
#include <Swiften/StringCodecs/Hexify.h>
using namespace Swift;
typedef GenericPayloadPersister<VCard, VCardParser, VCardSerializer> VCardPersister;
VCardFileStorage::VCardFileStorage(boost::filesystem::path dir, CryptoProvider* crypto) : VCardStorage(crypto), vcardsPath(dir), crypto(crypto) {
cacheFile = vcardsPath / "phashes";
if (boost::filesystem::exists(cacheFile)) {
try {
boost::filesystem::ifstream file(cacheFile);
std::string line;
if (file.is_open()) {
while (!file.eof()) {
getline(file, line);
std::pair<std::string, std::string> r = String::getSplittedAtFirst(line, ' ');
JID jid(r.second);
if (jid.isValid()) {
photoHashes.insert(std::make_pair(jid, r.first));
}
else if (!r.first.empty() || !r.second.empty()) {
std::cerr << "Invalid entry in phashes file" << std::endl;
}
}
}
}
catch (...) {
std::cerr << "Error reading phashes file" << std::endl;
}
}
}
std::shared_ptr<VCard> VCardFileStorage::getVCard(const JID& jid) const {
std::shared_ptr<VCard> result = VCardPersister().loadPayloadGeneric(getVCardPath(jid));
getAndUpdatePhotoHash(jid, result);
return result;
}
boost::posix_time::ptime VCardFileStorage::getVCardWriteTime(const JID& jid) const {
if (vcardWriteTimes.find(jid) == vcardWriteTimes.end()) {
return boost::posix_time::ptime();
}
else {
return vcardWriteTimes.at(jid);
}
}
void VCardFileStorage::setVCard(const JID& jid, VCard::ref v) {
vcardWriteTimes[jid] = boost::posix_time::second_clock::universal_time();
VCardPersister().savePayload(v, getVCardPath(jid));
getAndUpdatePhotoHash(jid, v);
}
boost::filesystem::path VCardFileStorage::getVCardPath(const JID& jid) const {
try {
std::string file(jid.toString());
String::replaceAll(file, '/', "%2f");
return boost::filesystem::path(vcardsPath / stringToPath(file + ".xml"));
}
catch (const boost::filesystem::filesystem_error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
return boost::filesystem::path();
}
}
std::string VCardFileStorage::getPhotoHash(const JID& jid) const {
PhotoHashMap::const_iterator i = photoHashes.find(jid);
if (i != photoHashes.end()) {
return i->second;
}
else {
VCard::ref vCard = getVCard(jid);
return getAndUpdatePhotoHash(jid, vCard);
}
}
std::string VCardFileStorage::getAndUpdatePhotoHash(const JID& jid, VCard::ref vCard) const {
std::string hash;
if (vCard && !vCard->getPhoto().empty()) {
hash = Hexify::hexify(crypto->getSHA1Hash(vCard->getPhoto()));
}
std::pair<PhotoHashMap::iterator, bool> r = photoHashes.insert(std::make_pair(jid, hash));
if (r.second) {
savePhotoHashes();
}
else if (r.first->second != hash) {
r.first->second = hash;
savePhotoHashes();
}
return hash;
}
void VCardFileStorage::savePhotoHashes() const {
try {
boost::filesystem::ofstream file(cacheFile);
for (PhotoHashMap::const_iterator i = photoHashes.begin(); i != photoHashes.end(); ++i) {
file << i->second << " " << i->first.toString() << std::endl;
}
file.close();
}
catch (...) {
std::cerr << "Error writing vcards file" << std::endl;
}
}
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