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Implement #243, separate core/client (PCH support dropped for now)

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EinMByte 2015-08-21 22:22:34 +02:00
parent bdaf2c16aa
commit 8ac9520dfd
153 changed files with 360 additions and 20020 deletions
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404
client/i2pcontrol/I2PControl.cpp Normal file
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// There is bug in boost 1.49 with gcc 4.7 coming with Debian Wheezy
// #define GCC47_BOOST149 ((BOOST_VERSION == 104900) && (__GNUC__ == 4) && (__GNUC_MINOR__ == 7))
// TODO: handle this somewhere, but definitely not here
#include "I2PControl.h"
#include <iomanip>
#include <sstream>
#include <cryptopp/osrng.h>
#include <cryptopp/hex.h>
#include <cryptopp/filters.h>
#include <boost/property_tree/json_parser.hpp>
#include "util/Log.h"
#include "util/Timestamp.h"
#include "transport/Transports.h"
#include "tunnel/Tunnel.h"
#include "NetDb.h"
#include "version.h"
#include "Daemon.h"
namespace i2p {
namespace client {
I2PControlSession::Response::Response(const std::string& version)
: id(), version(version), error(ErrorCode::None), parameters()
{
}
std::string I2PControlSession::Response::toJsonString() const
{
std::ostringstream oss;
oss << "{\"id\":" << id << ",\"result\":{";
for(auto it = parameters.begin(); it != parameters.end(); ++it) {
if(it != parameters.begin())
oss << ',';
oss << '"' << it->first << "\":" << it->second;
}
oss << "},\"jsonrpc\":\"" << version << '"';
if(error != ErrorCode::None)
oss << ",\"error\":{\"code\":" << -static_cast<int>(error)
<< ",\"message\":\"" << getErrorMsg() << "\"" << "}";
oss << "}";
return oss.str();
}
std::string I2PControlSession::Response::getErrorMsg() const
{
switch(error) {
case ErrorCode::MethodNotFound:
return "Method not found.";
case ErrorCode::InvalidParameters:
return "Invalid parameters.";
case ErrorCode::InvalidRequest:
return "Invalid request.";
case ErrorCode::ParseError:
return "Json parse error.";
case ErrorCode::InvalidPassword:
return "Invalid password.";
case ErrorCode::NoToken:
return "No authentication token given.";
case ErrorCode::NonexistentToken:
return "Nonexistent authentication token given.";
case ErrorCode::ExpiredToken:
return "Exipred authentication token given.";
case ErrorCode::UnspecifiedVersion:
return "Version not specified.";
case ErrorCode::UnsupportedVersion:
return "Version not supported.";
default:
return "";
};
}
void I2PControlSession::Response::setParam(const std::string& param, const std::string& value)
{
parameters[param] = value.empty() ? "null" : "\"" + value + "\"";
}
void I2PControlSession::Response::setParam(const std::string& param, int value)
{
parameters[param] = std::to_string(value);
}
void I2PControlSession::Response::setParam(const std::string& param, double value)
{
std::ostringstream oss;
oss << std::fixed << std::setprecision(2) << value;
parameters[param] = oss.str();
}
void I2PControlSession::Response::setError(ErrorCode code)
{
error = code;
}
void I2PControlSession::Response::setId(const std::string& identifier)
{
id = identifier;
}
I2PControlSession::I2PControlSession(boost::asio::io_service& ios, const std::string& pass)
: password(pass), tokens(), tokensMutex(),
service(ios), shutdownTimer(ios), expireTokensTimer(ios)
{
// Method handlers
methodHandlers[I2P_CONTROL_METHOD_AUTHENTICATE] = &I2PControlSession::handleAuthenticate;
methodHandlers[I2P_CONTROL_METHOD_ECHO] = &I2PControlSession::handleEcho;
methodHandlers[I2P_CONTROL_METHOD_I2PCONTROL] = &I2PControlSession::handleI2PControl;
methodHandlers[I2P_CONTROL_METHOD_ROUTER_INFO] = &I2PControlSession::handleRouterInfo;
methodHandlers[I2P_CONTROL_METHOD_ROUTER_MANAGER] = &I2PControlSession::handleRouterManager;
methodHandlers[I2P_CONTROL_METHOD_NETWORK_SETTING] = &I2PControlSession::handleNetworkSetting;
// RouterInfo handlers
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_UPTIME] = &I2PControlSession::handleUptime;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_VERSION] = &I2PControlSession::handleVersion;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_STATUS] = &I2PControlSession::handleStatus;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS]= &I2PControlSession::handleNetDbKnownPeers;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS] = &I2PControlSession::handleNetDbActivePeers;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_NET_STATUS] = &I2PControlSession::handleNetStatus;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING] = &I2PControlSession::handleTunnelsParticipating;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_IB_1S] = &I2PControlSession::handleInBandwidth1S;
routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_OB_1S] = &I2PControlSession::handleOutBandwidth1S;
// RouterManager handlers
routerManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN] = &I2PControlSession::handleShutdown;
routerManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL] = &I2PControlSession::handleShutdownGraceful;
routerManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_RESEED] = &I2PControlSession::handleReseed;
}
void I2PControlSession::start()
{
startExpireTokensJob();
}
void I2PControlSession::stop()
{
boost::system::error_code e; // Make sure this doesn't throw
shutdownTimer.cancel(e);
expireTokensTimer.cancel(e);
}
I2PControlSession::Response I2PControlSession::handleRequest(std::stringstream& request)
{
boost::property_tree::ptree pt;
boost::property_tree::read_json(request, pt);
Response response;
try {
response.setId(pt.get<std::string>(I2P_CONTROL_PROPERTY_ID));
std::string method = pt.get<std::string>(I2P_CONTROL_PROPERTY_METHOD);
auto it = methodHandlers.find(method);
if(it == methodHandlers.end()) { // Not found
LogPrint(eLogWarning, "Unknown I2PControl method ", method);
response.setError(ErrorCode::MethodNotFound);
return response;
}
PropertyTree params = pt.get_child(I2P_CONTROL_PROPERTY_PARAMS);
if(method != I2P_CONTROL_METHOD_AUTHENTICATE && !authenticate(params, response)) {
LogPrint(eLogWarning, "I2PControl invalid token presented");
return response;
}
// Call the appropriate handler
(this->*(it->second))(params, response);
} catch(const boost::property_tree::ptree_error& error) {
response.setError(ErrorCode::ParseError);
} catch(...) {
response.setError(ErrorCode::InternalError);
}
return response;
}
bool I2PControlSession::authenticate(const PropertyTree& pt, Response& response)
{
try {
std::string token = pt.get<std::string>(I2P_CONTROL_PARAM_TOKEN);
std::lock_guard<std::mutex> lock(tokensMutex);
auto it = tokens.find(token);
if(it == tokens.end()) {
response.setError(ErrorCode::NonexistentToken);
return false;
} else if(util::GetSecondsSinceEpoch() - it->second > I2P_CONTROL_TOKEN_LIFETIME) {
response.setError(ErrorCode::ExpiredToken);
return false;
}
} catch(const boost::property_tree::ptree_error& error) {
response.setError(ErrorCode::NoToken);
return false;
}
return true;
}
std::string I2PControlSession::generateToken() const
{
byte random_data[I2P_CONTROL_TOKEN_SIZE] = {};
CryptoPP::AutoSeededRandomPool rng;
rng.GenerateBlock(random_data, I2P_CONTROL_TOKEN_SIZE);
std::string token;
CryptoPP::StringSource ss(
random_data, I2P_CONTROL_TOKEN_SIZE, true,
new CryptoPP::HexEncoder(new CryptoPP::StringSink(token))
);
return token;
}
void I2PControlSession::handleAuthenticate(const PropertyTree& pt, Response& response)
{
const int api = pt.get<int>(I2P_CONTROL_PARAM_API);
const std::string given_pass = pt.get<std::string>(I2P_CONTROL_PARAM_PASSWORD);
LogPrint(eLogDebug, "I2PControl Authenticate API = ", api, " Password = ", given_pass);
if(given_pass != password) {
LogPrint(
eLogError, "I2PControl Authenticate Invalid password ", given_pass,
" expected ", password
);
response.setError(ErrorCode::InvalidPassword);
return;
}
const std::string token = generateToken();
response.setParam(I2P_CONTROL_PARAM_API, api);
response.setParam(I2P_CONTROL_PARAM_TOKEN, token);
std::lock_guard<std::mutex> lock(tokensMutex);
tokens.insert(std::make_pair(token, util::GetSecondsSinceEpoch()));
}
void I2PControlSession::handleEcho(const PropertyTree& pt, Response& response)
{
const std::string echo = pt.get<std::string>(I2P_CONTROL_PARAM_ECHO);
LogPrint(eLogDebug, "I2PControl Echo Echo = ", echo);
response.setParam(I2P_CONTROL_PARAM_RESULT, echo);
}
void I2PControlSession::handleI2PControl(const PropertyTree& pt, Response& response)
{
LogPrint(eLogDebug, "I2PControl I2PControl");
// TODO: implement
}
void I2PControlSession::handleRouterInfo(const PropertyTree& pt, Response& response)
{
LogPrint(eLogDebug, "I2PControl RouterInfo");
for(const auto& pair : pt) {
if(pair.first == I2P_CONTROL_PARAM_TOKEN)
continue;
LogPrint(eLogDebug, pair.first);
auto it = routerInfoHandlers.find(pair.first);
if(it != routerInfoHandlers.end()) {
(this->*(it->second))(response);
} else {
LogPrint(eLogError, "I2PControl RouterInfo unknown request ", pair.first);
response.setError(ErrorCode::InvalidRequest);
}
}
}
void I2PControlSession::handleRouterManager(const PropertyTree& pt, Response& response)
{
LogPrint(eLogDebug, "I2PControl RouterManager");
for(const auto& pair : pt) {
if(pair.first == I2P_CONTROL_PARAM_TOKEN)
continue;
LogPrint(eLogDebug, pair.first);
auto it = routerManagerHandlers.find(pair.first);
if(it != routerManagerHandlers.end()) {
(this->*(it->second))(response);
} else {
LogPrint(eLogError, "I2PControl RouterManager unknown request ", pair.first);
response.setError(ErrorCode::InvalidRequest);
}
}
}
void I2PControlSession::handleNetworkSetting(const PropertyTree& pt, Response& response)
{
}
void I2PControlSession::handleUptime(Response& response)
{
response.setParam(I2P_CONTROL_ROUTER_INFO_UPTIME, (int)i2p::context.GetUptime()*1000);
}
void I2PControlSession::handleVersion(Response& response)
{
response.setParam(I2P_CONTROL_ROUTER_INFO_VERSION, VERSION);
}
void I2PControlSession::handleStatus(Response& response)
{
response.setParam(I2P_CONTROL_ROUTER_INFO_STATUS, "???"); // TODO:
}
void I2PControlSession::handleNetDbKnownPeers(Response& response)
{
response.setParam(
I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS, i2p::data::netdb.GetNumRouters()
);
}
void I2PControlSession::handleNetDbActivePeers(Response& response)
{
response.setParam(
I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS,
(int)i2p::transport::transports.GetPeers().size()
);
}
void I2PControlSession::handleNetStatus(Response& response)
{
response.setParam(
I2P_CONTROL_ROUTER_INFO_NET_STATUS, (int)i2p::context.GetStatus()
);
}
void I2PControlSession::handleTunnelsParticipating(Response& response)
{
response.setParam(
I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING,
(int)i2p::tunnel::tunnels.GetTransitTunnels().size()
);
}
void I2PControlSession::handleInBandwidth1S(Response& response)
{
response.setParam(
I2P_CONTROL_ROUTER_INFO_BW_IB_1S,
(double)i2p::transport::transports.GetInBandwidth()
);
}
void I2PControlSession::handleOutBandwidth1S(Response& response)
{
response.setParam(
I2P_CONTROL_ROUTER_INFO_BW_OB_1S,
(double)i2p::transport::transports.GetOutBandwidth()
);
}
void I2PControlSession::handleShutdown(Response& response)
{
LogPrint(eLogInfo, "Shutdown requested");
response.setParam(I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN, "");
// 1 second to make sure response has been sent
shutdownTimer.expires_from_now(boost::posix_time::seconds(1));
shutdownTimer.async_wait([](const boost::system::error_code& ecode) {
Daemon.running = 0;
});
}
void I2PControlSession::handleShutdownGraceful(Response& response)
{
i2p::context.SetAcceptsTunnels(false);
int timeout = i2p::tunnel::tunnels.GetTransitTunnelsExpirationTimeout();
LogPrint(eLogInfo, "Graceful shutdown requested. Will shutdown after ", timeout, " seconds");
response.setParam(I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL, "");
shutdownTimer.expires_from_now(boost::posix_time::seconds(timeout + 1));
shutdownTimer.async_wait([](const boost::system::error_code& ecode) {
Daemon.running = 0;
});
}
void I2PControlSession::handleReseed(Response& response)
{
LogPrint(eLogInfo, "Reseed requested");
response.setParam(I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN, "");
i2p::data::netdb.Reseed();
}
void I2PControlSession::expireTokens(const boost::system::error_code& error)
{
if(error == boost::asio::error::operation_aborted)
return; // Do not restart timer, shutting down
startExpireTokensJob();
LogPrint(eLogDebug, "I2PControl is expiring tokens.");
const uint64_t now = util::GetSecondsSinceEpoch();
std::lock_guard<std::mutex> lock(tokensMutex);
for(auto it = tokens.begin(); it != tokens.end(); ) {
if(now - it->second > I2P_CONTROL_TOKEN_LIFETIME)
it = tokens.erase(it);
else
++it;
}
}
void I2PControlSession::startExpireTokensJob()
{
expireTokensTimer.expires_from_now(boost::posix_time::seconds(I2P_CONTROL_TOKEN_LIFETIME));
expireTokensTimer.async_wait(std::bind(
&I2PControlSession::expireTokens, shared_from_this(), std::placeholders::_1
));
}
}
}

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#ifndef I2PCONTROL_H__
#define I2PCONTROL_H__
#include <boost/property_tree/ptree.hpp>
#include <string>
#include <map>
#include <functional>
#include <mutex>
#include <boost/asio.hpp>
namespace i2p {
namespace client {
const char I2P_CONTROL_DEFAULT_PASSWORD[] = "itoopie";
const uint64_t I2P_CONTROL_TOKEN_LIFETIME = 600; // Token lifetime in seconds
const std::size_t I2P_CONTROL_TOKEN_SIZE = 8; // Token size in bytes
const char I2P_CONTROL_PROPERTY_ID[] = "id";
const char I2P_CONTROL_PROPERTY_METHOD[] = "method";
const char I2P_CONTROL_PROPERTY_PARAMS[] = "params";
const char I2P_CONTROL_PROPERTY_RESULT[] = "result";
// methods
const char I2P_CONTROL_METHOD_AUTHENTICATE[] = "Authenticate";
const char I2P_CONTROL_METHOD_ECHO[] = "Echo";
const char I2P_CONTROL_METHOD_I2PCONTROL[] = "I2PControl";
const char I2P_CONTROL_METHOD_ROUTER_INFO[] = "RouterInfo";
const char I2P_CONTROL_METHOD_ROUTER_MANAGER[] = "RouterManager";
const char I2P_CONTROL_METHOD_NETWORK_SETTING[] = "NetworkSetting";
// params
const char I2P_CONTROL_PARAM_API[] = "API";
const char I2P_CONTROL_PARAM_PASSWORD[] = "Password";
const char I2P_CONTROL_PARAM_TOKEN[] = "Token";
const char I2P_CONTROL_PARAM_ECHO[] = "Echo";
const char I2P_CONTROL_PARAM_RESULT[] = "Result";
// I2PControl
const char I2P_CONTROL_I2PCONTROL_ADDRESS[] = "i2pcontrol.address";
const char I2P_CONTROL_I2PCONTROL_PASSWORD[] = "i2pcontrol.password";
const char I2P_CONTROL_I2PCONTROL_PORT[] = "i2pcontrol.port";
// RouterInfo requests
const char I2P_CONTROL_ROUTER_INFO_UPTIME[] = "i2p.router.uptime";
const char I2P_CONTROL_ROUTER_INFO_VERSION[] = "i2p.router.version";
const char I2P_CONTROL_ROUTER_INFO_STATUS[] = "i2p.router.status";
const char I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS[] = "i2p.router.netdb.knownpeers";
const char I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS[] = "i2p.router.netdb.activepeers";
const char I2P_CONTROL_ROUTER_INFO_NET_STATUS[] = "i2p.router.net.status";
const char I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING[] = "i2p.router.net.tunnels.participating";
const char I2P_CONTROL_ROUTER_INFO_BW_IB_1S[] = "i2p.router.net.bw.inbound.1s";
const char I2P_CONTROL_ROUTER_INFO_BW_OB_1S[] = "i2p.router.net.bw.outbound.1s";
// RouterManager requests
const char I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN[] = "Shutdown";
const char I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL[] = "ShutdownGraceful";
const char I2P_CONTROL_ROUTER_MANAGER_RESEED[] = "Reseed";
/**
* "Null" I2P control implementation, does not do actual networking.
* @note authentication tokens are per-session
* @note I2PControlSession must always be used as a std::shared_ptr
* @warning an I2PControlSession must be destroyed before its io_service
*/
class I2PControlSession : public std::enable_shared_from_this<I2PControlSession> {
public:
enum class ErrorCode {
None = 0,
// JSON-RPC2
MethodNotFound = 32601,
InvalidParameters = 32602,
InvalidRequest = 32600,
InternalError = 32603,
ParseError = 32700,
// I2PControl specific
InvalidPassword = 32001,
NoToken = 32002,
NonexistentToken = 32003,
ExpiredToken = 32004,
UnspecifiedVersion = 32005,
UnsupportedVersion = 32006
};
class Response {
std::string id;
std::string version;
ErrorCode error;
std::map<std::string, std::string> parameters;
public:
Response(const std::string& version = "2.0");
std::string toJsonString() const;
/**
* Set an ouptut parameter to a specified string.
* @todo escape quotes
*/
void setParam(const std::string& param, const std::string& value);
void setParam(const std::string& param, int value);
void setParam(const std::string& param, double value);
void setError(ErrorCode code);
void setId(const std::string& identifier);
std::string getErrorMsg() const;
};
/**
* Sets up the appropriate handlers.
* @param pass the password required to authenticate (i.e. obtains a token)
* @param ios the parent io_service object, must remain valid throughout
* the lifetime of this I2PControlSession.
*/
I2PControlSession(boost::asio::io_service& ios,
const std::string& pass = I2P_CONTROL_DEFAULT_PASSWORD);
/**
* Starts the I2PControlSession.
* In essence, this starts the expireTokensTimer.
* @note should always be called after construction
*/
void start();
/**
* Cancels all operations that are waiting.
* @note it's a good idea to call this before destruction (shared_ptr reset)
*/
void stop();
/**
* Handle a json string with I2PControl instructions.
*/
Response handleRequest(std::stringstream& request);
private:
// For convenience
typedef boost::property_tree::ptree PropertyTree;
// Handler types
typedef void (I2PControlSession::*MethodHandler)(
const PropertyTree& pt, Response& results
);
typedef void (I2PControlSession::*RequestHandler)(Response& results);
/**
* Tries to authenticate by checking whether the given token is valid.
* Sets the appropriate error code in the given response.
*/
bool authenticate(const PropertyTree& pt, Response& response);
/**
* Generate a random authentication token.
* @return 8 random bytes as a hexadecimal string
*/
std::string generateToken() const;
void startExpireTokensJob();
/**
* Expire tokens that are too old.
*/
void expireTokens(const boost::system::error_code& error);
// Method handlers
void handleAuthenticate(const PropertyTree& pt, Response& response);
void handleEcho(const PropertyTree& pt, Response& response);
void handleI2PControl(const PropertyTree& pt, Response& response);
void handleRouterInfo(const PropertyTree& pt, Response& response);
void handleRouterManager(const PropertyTree& pt, Response& response);
void handleNetworkSetting(const PropertyTree& pt, Response& response);
// RouterInfo handlers
void handleUptime(Response& response);
void handleVersion(Response& response);
void handleStatus(Response& response);
void handleNetDbKnownPeers(Response& response);
void handleNetDbActivePeers(Response& response);
void handleNetStatus(Response& response);
void handleTunnelsParticipating(Response& response);
void handleInBandwidth1S(Response& response);
void handleOutBandwidth1S(Response& response);
// RouterManager handlers
void handleShutdown(Response& response);
void handleShutdownGraceful(Response& response);
void handleReseed(Response& response);
std::string password;
std::map<std::string, uint64_t> tokens;
std::mutex tokensMutex;
std::map<std::string, MethodHandler> methodHandlers;
std::map<std::string, RequestHandler> routerInfoHandlers;
std::map<std::string, RequestHandler> routerManagerHandlers;
std::map<std::string, RequestHandler> networkSettingHandlers;
boost::asio::io_service& service;
boost::asio::deadline_timer shutdownTimer;
boost::asio::deadline_timer expireTokensTimer;
};
}
}
#endif // I2PCONTROL_H__

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#include "I2PControlServer.h"
#include <sstream>
#include <boost/date_time/local_time/local_time.hpp>
#include <boost/date_time/posix_time/posix_time.hpp>
#include "util/Log.h"
#include "util/Timestamp.h"
#include "version.h"
namespace i2p {
namespace client {
I2PControlService::I2PControlService(const std::string& address, int port, const std::string& pass)
: m_Session(std::make_shared<I2PControlSession>(m_Service, pass)),
m_IsRunning(false), m_Thread(nullptr),
m_Acceptor(m_Service, boost::asio::ip::tcp::endpoint(
boost::asio::ip::address::from_string(address), port)
)
{
}
I2PControlService::~I2PControlService()
{
Stop();
}
void I2PControlService::Start()
{
if(!m_IsRunning) {
Accept();
m_Session->start();
m_IsRunning = true;
m_Thread = new std::thread(std::bind(&I2PControlService::Run, this));
}
}
void I2PControlService::Stop()
{
if(m_IsRunning) {
m_IsRunning = false;
m_Acceptor.cancel();
m_Session->stop();
// Release ownership before the io_service is stopped and destroyed
m_Session.reset();
m_Service.stop();
if(m_Thread)
{
m_Thread->join();
delete m_Thread;
m_Thread = nullptr;
}
}
}
void I2PControlService::Run()
{
while(m_IsRunning) {
try {
m_Service.run();
} catch(const std::exception& ex) {
LogPrint(eLogError, "I2PControl: ", ex.what());
}
}
}
void I2PControlService::Accept()
{
auto newSocket = std::make_shared<boost::asio::ip::tcp::socket>(m_Service);
m_Acceptor.async_accept(*newSocket, std::bind(&I2PControlService::HandleAccept, this,
std::placeholders::_1, newSocket));
}
void I2PControlService::HandleAccept(const boost::system::error_code& ecode, std::shared_ptr<boost::asio::ip::tcp::socket> socket)
{
if(ecode != boost::asio::error::operation_aborted)
Accept();
if(!ecode)
{
LogPrint(eLogInfo, "New I2PControl request from ", socket->remote_endpoint());
std::this_thread::sleep_for(std::chrono::milliseconds(5));
ReadRequest(socket);
}
else
LogPrint(eLogError, "I2PControl accept error: ", ecode.message());
}
void I2PControlService::ReadRequest(std::shared_ptr<boost::asio::ip::tcp::socket> socket)
{
auto request = std::make_shared<I2PControlBuffer>();
socket->async_read_some(
#if BOOST_VERSION >= 104900
boost::asio::buffer(*request),
#else
boost::asio::buffer(request->data(), request->size()),
#endif
std::bind(&I2PControlService::HandleRequestReceived, this,
std::placeholders::_1, std::placeholders::_2, socket, request));
}
void I2PControlService::HandleRequestReceived(const boost::system::error_code& ecode,
size_t bytes_transferred, std::shared_ptr<boost::asio::ip::tcp::socket> socket,
std::shared_ptr<I2PControlBuffer> buf)
{
if(ecode) {
LogPrint(eLogError, "I2PControl read error: ", ecode.message());
return;
}
try {
bool isHtml = !memcmp(buf->data(), "POST", 4);
std::stringstream ss;
ss.write(buf->data(), bytes_transferred);
if(isHtml) {
std::string header;
while(!ss.eof() && header != "\r")
std::getline(ss, header);
if(ss.eof()) {
LogPrint(eLogError, "Malformed I2PControl request. HTTP header expected");
return; // TODO:
}
}
I2PControlSession::Response response = m_Session->handleRequest(ss);
SendResponse(socket, buf, response.toJsonString(), isHtml);
} catch(const std::exception& ex) {
LogPrint(eLogError, "I2PControl handle request: ", ex.what());
} catch(...) {
LogPrint(eLogError, "I2PControl handle request unknown exception");
}
}
void I2PControlService::SendResponse(std::shared_ptr<boost::asio::ip::tcp::socket> socket,
std::shared_ptr<I2PControlBuffer> buf, const std::string& response, bool isHtml)
{
size_t len = response.length(), offset = 0;
if(isHtml) {
std::ostringstream header;
header << "HTTP/1.1 200 OK\r\n";
header << "Connection: close\r\n";
header << "Content-Length: " << boost::lexical_cast<std::string>(len) << "\r\n";
header << "Content-Type: application/json\r\n";
header << "Date: ";
auto facet = new boost::local_time::local_time_facet("%a, %d %b %Y %H:%M:%S GMT");
header.imbue(std::locale(header.getloc(), facet));
header << boost::posix_time::second_clock::local_time() << "\r\n";
header << "\r\n";
offset = header.str().size();
memcpy(buf->data(), header.str().c_str(), offset);
}
memcpy(buf->data() + offset, response.c_str(), len);
boost::asio::async_write(
*socket, boost::asio::buffer(buf->data(), offset + len),
boost::asio::transfer_all(), std::bind(
&I2PControlService::HandleResponseSent, this,
std::placeholders::_1, std::placeholders::_2, socket, buf
)
);
}
void I2PControlService::HandleResponseSent(const boost::system::error_code& ecode, std::size_t bytes_transferred,
std::shared_ptr<boost::asio::ip::tcp::socket> socket, std::shared_ptr<I2PControlBuffer> buf)
{
if(ecode)
LogPrint(eLogError, "I2PControl write error: ", ecode.message());
socket->close();
}
}
}

56
client/i2pcontrol/I2PControlServer.h Normal file
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#ifndef I2P_CONTROL_SERVER_H__
#define I2P_CONTROL_SERVER_H__
#include "I2PControl.h"
#include <inttypes.h>
#include <thread>
#include <memory>
#include <array>
#include <string>
#include <sstream>
#include <boost/asio.hpp>
namespace i2p {
namespace client {
const size_t I2P_CONTROL_MAX_REQUEST_SIZE = 1024;
typedef std::array<char, I2P_CONTROL_MAX_REQUEST_SIZE> I2PControlBuffer;
class I2PControlService {
public:
I2PControlService(const std::string& address, int port, const std::string& pass);
~I2PControlService();
void Start();
void Stop();
private:
void Run();
void Accept();
void HandleAccept(const boost::system::error_code& ecode, std::shared_ptr<boost::asio::ip::tcp::socket> socket);
void ReadRequest(std::shared_ptr<boost::asio::ip::tcp::socket> socket);
void HandleRequestReceived(const boost::system::error_code& ecode, size_t bytes_transferred,
std::shared_ptr<boost::asio::ip::tcp::socket> socket, std::shared_ptr<I2PControlBuffer> buf);
void SendResponse(std::shared_ptr<boost::asio::ip::tcp::socket> socket,
std::shared_ptr<I2PControlBuffer> buf, const std::string& response, bool isHtml);
void HandleResponseSent(const boost::system::error_code& ecode, std::size_t bytes_transferred,
std::shared_ptr<boost::asio::ip::tcp::socket> socket, std::shared_ptr<I2PControlBuffer> buf);
private:
bool m_IsRunning;
std::thread * m_Thread;
boost::asio::io_service m_Service;
boost::asio::ip::tcp::acceptor m_Acceptor;
std::shared_ptr<I2PControlSession> m_Session;
};
}
}
#endif