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#include <string.h>
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#include <string>
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#include <map>
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#include "base64.h"
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#include "util.h"
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#include "Identity.h"
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#include "Log.h"
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#include "AddressBook.h"
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#include <boost/algorithm/string.hpp>
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namespace i2p
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{
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namespace data
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{
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AddressBook::AddressBook (): m_IsLoaded (false)
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{
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}
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const IdentHash * AddressBook::FindAddress (const std::string& address)
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{
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if (!m_IsLoaded)
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LoadHosts ();
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auto it = m_Addresses.find (address);
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if (it != m_Addresses.end ())
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return &it->second;
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else
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return nullptr;
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}
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void AddressBook::LoadHostsFromI2P ()
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{
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std::string content;
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std::stringstream url_ss;
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// TODO: hosts link in config
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// TODO: url download via HTTPProxy
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url_ss << "http://127.0.0.1:" << i2p::util::config::GetArg("-httpport", 7070) << "/udhdrtrcetjm5sxzskjyr5ztpeszydbh4dpl3pl4utgqqw2v4jna/hosts.txt";
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while (true)
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{
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content = i2p::util::http::httpRequest(url_ss.str());
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// TODO: check http errors
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if (! boost::starts_with(content, "<html>"))
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break;
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std::this_thread::sleep_for(std::chrono::seconds(5));
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}
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std::ofstream f_save(i2p::util::filesystem::GetFullPath("hosts.txt").c_str(), std::ofstream::out);
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if (f_save.is_open())
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{
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f_save << content;
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f_save.close();
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}
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else
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LogPrint("Can't write hosts.txt");
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m_IsLoaded = false;
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return;
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}
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void AddressBook::LoadHosts ()
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{
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m_IsLoaded = true;
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std::ifstream f (i2p::util::filesystem::GetFullPath ("hosts.txt").c_str (), std::ofstream::in); // in text mode
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if (!f.is_open ())
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{
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LogPrint ("hosts.txt not found. Try to load...");
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std::thread load_hosts(&AddressBook::LoadHostsFromI2P, this);
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load_hosts.detach();
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return;
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}
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int numAddresses = 0;
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std::string s;
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while (!f.eof ())
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{
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getline(f, s);
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if (!s.length())
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continue; // skip empty line
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size_t pos = s.find('=');
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if (pos != std::string::npos)
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{
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std::string name = s.substr(0, pos++);
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std::string addr = s.substr(pos);
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Identity ident;
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if (!ident.FromBase64(addr)) {
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LogPrint ("hosts.txt: ignore ", name);
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continue;
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}
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m_Addresses[name] = ident.Hash();
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numAddresses++;
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}
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}
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LogPrint (numAddresses, " addresses loaded");
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}
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}
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}
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