#include <string.h>
#include <string>
#include <map>
#include "base64.h"
#include "util.h"
#include "Identity.h"
#include "Log.h"
#include "AddressBook.h"
#include <boost/algorithm/string.hpp>
namespace i2p
{
namespace data
{
AddressBook::AddressBook (): m_IsLoaded (false)
{
}
const IdentHash * AddressBook::FindAddress (const std::string& address)
{
if (!m_IsLoaded)
LoadHosts ();
auto it = m_Addresses.find (address);
if (it != m_Addresses.end ())
return &it->second;
else
return nullptr;
}
void AddressBook::LoadHostsFromI2P ()
{
std::string content;
while (true)
{
// TODO: hosts link in config
int http_code = i2p::util::http::httpRequestViaI2pProxy("http://udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p/hosts.txt", content);
if (http_code ==200)
if (!boost::starts_with(content, "<html>") && !content.empty()) // TODO: test and remove
break;
std::this_thread::sleep_for(std::chrono::seconds(5));
}
std::ofstream f_save(i2p::util::filesystem::GetFullPath("hosts.txt").c_str(), std::ofstream::out);
if (f_save.is_open())
{
f_save << content;
f_save.close();
}
else
LogPrint("Can't write hosts.txt");
m_IsLoaded = false;
return;
}
void AddressBook::LoadHosts ()
{
m_IsLoaded = true;
std::ifstream f (i2p::util::filesystem::GetFullPath ("hosts.txt").c_str (), std::ofstream::in); // in text mode
if (!f.is_open ())
{
LogPrint ("hosts.txt not found. Try to load...");
std::thread load_hosts(&AddressBook::LoadHostsFromI2P, this);
load_hosts.detach();
return;
}
int numAddresses = 0;
std::string s;
while (!f.eof ())
{
getline(f, s);
if (!s.length())
continue; // skip empty line
size_t pos = s.find('=');
if (pos != std::string::npos)
{
std::string name = s.substr(0, pos++);
std::string addr = s.substr(pos);
Identity ident;
if (!ident.FromBase64(addr)) {
LogPrint ("hosts.txt: ignore ", name);
continue;
}
m_Addresses[name] = ident.Hash();
numAddresses++;
}
}
LogPrint (numAddresses, " addresses loaded");
}
}
}