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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 <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.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 / "vcards.xml";
if (boost::filesystem::exists(cacheFile)) {
boost::property_tree::ptree tree;
try {
boost::property_tree::xml_parser::read_xml(cacheFile.string(), tree);
}
catch (const boost::property_tree::xml_parser::xml_parser_error& e) {
std::cerr << "Error reading vcards file: " << e.filename() << ":" << e.line() << ": " << e.message() << std::endl;
}
foreach(const boost::property_tree::ptree::value_type &v, tree.get_child("vcards")) {
try {
JID jid(v.second.get<std::string>("jid"));
std::string hash(v.second.get<std::string>("phash"));
if (jid.isValid()) {
photoHashes.insert(std::make_pair(jid, hash));
}
}
catch (const boost::property_tree::ptree_error& e) {
std::cerr << "Invalid vcard value: " << e.what() << std::endl;
}
}
}
}
boost::shared_ptr<VCard> VCardFileStorage::getVCard(const JID& jid) const {
boost::filesystem::path vcardPath(getVCardPath(jid));
if (boost::filesystem::exists(vcardPath)) {
ByteArray data;
data.readFromFile(vcardPath.string());
VCardParser parser;
PayloadParserTester tester(&parser);
tester.parse(std::string(data.getData(), data.getSize()));
return boost::dynamic_pointer_cast<VCard>(parser.getPayload());
}
else {
return boost::shared_ptr<VCard>();
}
}
void VCardFileStorage::setVCard(const JID& jid, VCard::ref v) {
boost::filesystem::path vcardPath(getVCardPath(jid));
if (!boost::filesystem::exists(vcardPath.parent_path())) {
try {
boost::filesystem::create_directories(vcardPath.parent_path());
}
catch (const boost::filesystem::filesystem_error& e) {
std::cerr << "ERROR: " << e.what() << std::endl;
}
}
boost::filesystem::ofstream file(getVCardPath(jid));
file << VCardSerializer().serializePayload(v);
file.close();
getAndUpdatePhotoHash(jid, v);
}
boost::filesystem::path VCardFileStorage::getVCardPath(const JID& jid) const {
std::string file(jid.toString());
String::replaceAll(file, '/', "%2f");
return boost::filesystem::path(vcardsPath / (file + ".xml"));
}
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 {
boost::property_tree::ptree tree;
for (PhotoHashMap::const_iterator i = photoHashes.begin(); i != photoHashes.end(); ++i) {
boost::property_tree::ptree entry;
entry.put("jid", i->first.toString());
entry.put("phash", i->second);
tree.add_child("vcards.vcard", entry);
}
try {
boost::property_tree::xml_parser::write_xml(cacheFile.string(), tree);
}
catch (const boost::property_tree::xml_parser::xml_parser_error& e) {
std::cerr << "Error writing vcards file: " << e.filename() << ": " << e.message() << std::endl;
}
}
}
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Swift