void Chatserver::removeAllFriends()
{
while (! friends.empty())
{
if (!rsPeers->removeFriend(friends.front()))
{
std::cout << "ERROR: Could not remove friend with id " << friends.front() << std::endl;
break;
}
friends.pop_front();
}
saveChatServerStore();
}
void Chatserver::removeOldestFriend()
{
std::cout << "ChatServer::removeOldestFriend()" << std::endl;
while (numberOfFriends() > maxFriends)
{
if (!rsPeers->removeFriend(friends.front()))
{
std::cout << "FATAL: Could not remove friend with id " << friends.front() << std::endl;
}
friends.pop_front();
};
saveChatServerStore();
}
void Chatserver::checkForNewCertificates()
{
std::vector<std::string> newCerts;
if (getdir(certificatePath, newCerts) != 0)
{
std::cout << "ChatServer: reading directory failed" << std::endl;
return;
}
if (newCerts.size() == 0)
{
std::cout << "Chatserver: no new certificates found." << std::endl;
return;
}
for (std::vector<std::string>::const_iterator it = newCerts.begin(); it != newCerts.end(); ++it)
{
std::string fileName = certificatePath + (*it);
std::cout << "adding certificate " << fileName << std::endl;
// read file
std::ifstream in(fileName);
std::stringstream buffer;
buffer << in.rdbuf();
std::string cert(buffer.str());
// we need to add "cert" now
std::string errorString;
RsPgpId gpgId;
RsPeerId sslId;
try
{
bool success = rsPeers->loadCertificateFromString(cert, sslId, gpgId, errorString);
if (!success)
{
std::cout << "ERROR: load certificate " << fileName << ", error " << errorString << " discarding it" << std::endl;
removeFile(fileName);
continue;
}
}
catch (uint32_t /*error_code*/) // thrown in RsCertificate::RsCertificate(..)
{
std::cout << "ERROR: caught exception while loading certificate " << fileName << ", discarding it" << std::endl;
removeFile(fileName);
continue;
}
if (rsPeers->isGPGAccepted(gpgId))
{
std::cout << "ERROR: peer with gpg id " << gpgId << " is already accepted. Discarding it." << std::endl;
removeFile(fileName);
}
// TODO: enable discovery or not?
if (!rsPeers->addFriend(sslId, gpgId, RS_NODE_PERM_NONE))
{
std::cout << "ERROR: could not add friend." << std::endl;
continue;
}
std::cout << "SUCCESS: added friend with gpg_id " << gpgId << std::endl;
// remove all existing gpgids from the friend fifo list before pushing a gpgid to the list
// this is to prevent users from adding them too often to the chatserver and reducing the capacity
// http://www.cplusplus.com/reference/list/list/remove/
friends.remove(gpgId);
// add the unique ID to the fifo list
friends.push_back(gpgId);
std::cout << "Chatserver: " << (removeFile(fileName) == false ? "couldn't " : "") << "remove " << fileName << std::endl;
saveChatServerStore();
}
}
void Chatserver::checkForNewCertificates()
{
std::vector<std::string> newCerts;
if (getdir(certificatePath, newCerts) != 0)
{
std::cout << "ChatServer: reading directory failed" << std::endl;
return;
}
if (newCerts.size() == 0)
{
std::cout << "Chatserver: no new certificates found." << std::endl;
return;
}
for (std::vector<std::string>::const_iterator it = newCerts.begin(); it != newCerts.end(); ++it)
{
std::string fileName = certificatePath + (*it);
std::cout << "adding certificate " << fileName << std::endl;
// read file
std::ifstream in(fileName);
std::stringstream buffer;
buffer << in.rdbuf();
std::string cert(buffer.str());
// we need to add "cert" now
std::string sslId, gpgId, errorString;
try
{
bool success = rsPeers->loadCertificateFromString(cert, sslId, gpgId, errorString);
if (!success)
{
std::cout << "ERROR: load certificate " << fileName << ", error " << errorString << " discarding it" << std::endl;
removeFile(fileName);
continue;
}
}
catch (uint32_t error_code) // thrown in RsCertificate::RsCertificate(..)
{
std::cout << "ERROR: caught exception while loading certificate " << fileName << ", discarding it" << std::endl;
removeFile(fileName);
continue;
}
if (rsPeers->isGPGAccepted(gpgId))
{
std::cout << "ERROR: peer with gpg id " << gpgId << " is already accepted. Discarding it." << std::endl;
removeFile(fileName);
}
// TODO: enable discovery or not?
if (!rsPeers->addFriend(sslId, gpgId, RS_SERVICE_PERM_DISCOVERY))
{
std::cout << "ERROR: could not add friend." << std::endl;
continue;
}
std::cout << "SUCCESS: added friend with gpg_id " << gpgId << std::endl;
friends.push_back(gpgId);
std::cout << "Chatserver: " << (removeFile(fileName) == false ? "couldn't " : "") << "remove " << fileName << std::endl;
saveChatServerStore();
}
}