i2pd/AddressBook.cpp

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#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>
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namespace i2p
{
namespace data
{
AddressBook::AddressBook (): m_IsLoaded (false), m_IsDowloading (false)
{
}
const IdentHash * AddressBook::FindAddress (const std::string& address)
{
if (!m_IsLoaded)
LoadHosts ();
if (m_IsLoaded)
{
auto it = m_Addresses.find (address);
if (it != m_Addresses.end ())
return &it->second;
}
return nullptr;
}
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void AddressBook::InsertAddress (const std::string& address, const std::string& base64)
{
IdentityEx ident;
ident.FromBase64 (base64);
m_Addresses[address] = ident.GetIdentHash ();
LogPrint (address,"->",ident.GetIdentHash ().ToBase32 (), ".b32.i2p added");
}
void AddressBook::LoadHostsFromI2P ()
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{
std::string content;
int http_code = i2p::util::http::httpRequestViaI2pProxy("http://udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna.b32.i2p/hosts.txt", content);
if (http_code == 200)
{
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;
}
else
LogPrint ("Failed to download hosts.txt");
m_IsDowloading = false;
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return;
}
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void AddressBook::LoadHosts ()
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{
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...");
if (!m_IsDowloading)
{
m_IsDowloading = true;
std::thread load_hosts(&AddressBook::LoadHostsFromI2P, this);
load_hosts.detach();
}
return;
}
int numAddresses = 0;
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std::string s;
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while (!f.eof ())
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{
getline(f, s);
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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);
IdentityEx ident;
ident.FromBase64(addr);
m_Addresses[name] = ident.GetIdentHash ();
numAddresses++;
}
}
LogPrint (numAddresses, " addresses loaded");
m_IsLoaded = true;
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}
}
}