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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include "Swiften/VCards/VCardFileStorage.h"
#include <boost/filesystem/fstream.hpp>
#include <Swiften/Base/String.h>
#include <Swiften/StringCodecs/Hexify.h>
#include <Swiften/StringCodecs/SHA1.h>
#include <Swiften/Base/foreach.h>
#include "Swiften/JID/JID.h"
#include "Swiften/Base/ByteArray.h"
#include "Swiften/Elements/VCard.h"
#include "Swiften/Serializer/PayloadSerializers/VCardSerializer.h"
#include "Swiften/Parser/PayloadParsers/UnitTest/PayloadParserTester.h"
#include "Swiften/Parser/PayloadParsers/VCardParser.h"
namespace Swift {
VCardFileStorage::VCardFileStorage(boost::filesystem::path dir) : vcardsPath(dir) {
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;
}
}
}
boost::shared_ptr<VCard> VCardFileStorage::getVCard(const JID& jid) const {
try {
boost::filesystem::path vcardPath(getVCardPath(jid));
if (boost::filesystem::exists(vcardPath)) {
ByteArray data;
data.readFromFile(vcardPath.string());
VCardParser parser;
PayloadParserTester tester(&parser);
tester.parse(data.toString());
return boost::dynamic_pointer_cast<VCard>(parser.getPayload());
}
else {
return boost::shared_ptr<VCard>();
}
}
catch (const boost::filesystem::filesystem_error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
return boost::shared_ptr<VCard>();
}
}
void VCardFileStorage::setVCard(const JID& jid, VCard::ref v) {
try {
boost::filesystem::path vcardPath(getVCardPath(jid));
if (!boost::filesystem::exists(vcardPath.parent_path())) {
boost::filesystem::create_directories(vcardPath.parent_path());
}
boost::filesystem::ofstream file(getVCardPath(jid));
file << VCardSerializer().serializePayload(v);
file.close();
getAndUpdatePhotoHash(jid, v);
}
catch (const boost::filesystem::filesystem_error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
}
}
boost::filesystem::path VCardFileStorage::getVCardPath(const JID& jid) const {
try {
std::string file(jid.toString());
String::replaceAll(file, '/', "%2f");
return boost::filesystem::path(vcardsPath / (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().isEmpty()) {
hash = Hexify::hexify(SHA1::getHash(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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Swift