I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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936 lines
40 KiB

#include <ctime>
#include <iomanip>
#include <sstream>
#include <thread>
#include <memory>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include "Base.h"
#include "FS.h"
#include "Log.h"
#include "Config.h"
#include "Tunnel.h"
#include "TransitTunnel.h"
#include "Transports.h"
#include "NetDb.h"
#include "HTTP.h"
#include "LeaseSet.h"
#include "Destination.h"
#include "RouterContext.h"
#include "ClientContext.h"
#include "HTTPServer.h"
#include "Daemon.h"
// For image and info
#include "version.h"
namespace i2p {
namespace http {
const char *itoopieImage =
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const char *itoopieFavicon =
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const char *cssStyles =
"<style>\r\n"
" body { font: 100%/1.5em sans-serif; margin: 0; padding: 1.5em; background: #FAFAFA; color: #103456; }\r\n"
" a { text-decoration: none; color: #894C84; }\r\n"
" a:hover { color: #FAFAFA; background: #894C84; }\r\n"
" .header { font-size: 2.5em; text-align: center; margin: 1.5em 0; color: #894C84; }\r\n"
" .wrapper { margin: 0 auto; padding: 1em; max-width: 60em; }\r\n"
" .left { float: left; position: absolute; }\r\n"
" .right { float: left; font-size: 1em; margin-left: 13em; max-width: 46em; overflow: auto; }\r\n"
" .tunnel.established { color: #56B734; }\r\n"
" .tunnel.expiring { color: #D3AE3F; }\r\n"
" .tunnel.failed { color: #D33F3F; }\r\n"
" .tunnel.another { color: #434343; }\r\n"
" caption { font-size: 1.5em; text-align: center; color: #894C84; }\r\n"
" table { width: 100%; border-collapse: collapse; text-align: center; }\r\n"
"</style>\r\n";
const char HTTP_PAGE_TUNNELS[] = "tunnels";
const char HTTP_PAGE_TRANSIT_TUNNELS[] = "transit_tunnels";
const char HTTP_PAGE_TRANSPORTS[] = "transports";
const char HTTP_PAGE_LOCAL_DESTINATIONS[] = "local_destinations";
const char HTTP_PAGE_LOCAL_DESTINATION[] = "local_destination";
const char HTTP_PAGE_SAM_SESSIONS[] = "sam_sessions";
const char HTTP_PAGE_SAM_SESSION[] = "sam_session";
const char HTTP_PAGE_I2P_TUNNELS[] = "i2p_tunnels";
const char HTTP_PAGE_JUMPSERVICES[] = "jumpservices";
const char HTTP_PAGE_COMMANDS[] = "commands";
const char HTTP_COMMAND_START_ACCEPTING_TUNNELS[] = "start_accepting_tunnels";
const char HTTP_COMMAND_STOP_ACCEPTING_TUNNELS[] = "stop_accepting_tunnels";
const char HTTP_COMMAND_SHUTDOWN_START[] = "shutdown_start";
const char HTTP_COMMAND_SHUTDOWN_CANCEL[] = "shutdown_cancel";
const char HTTP_COMMAND_SHUTDOWN_NOW[] = "terminate";
const char HTTP_COMMAND_RUN_PEER_TEST[] = "run_peer_test";
const char HTTP_COMMAND_RELOAD_CONFIG[] = "reload_config";
const char HTTP_PARAM_BASE32_ADDRESS[] = "b32";
const char HTTP_PARAM_SAM_SESSION_ID[] = "id";
const char HTTP_PARAM_ADDRESS[] = "address";
std::map<std::string, std::string> jumpservices = {
{ "inr.i2p", "http://joajgazyztfssty4w2on5oaqksz6tqoxbduy553y34mf4byv6gpq.b32.i2p/search/?q=" },
{ "stats.i2p", "http://7tbay5p4kzeekxvyvbf6v7eauazemsnnl2aoyqhg5jzpr5eke7tq.b32.i2p/cgi-bin/jump.cgi?a=" },
};
void ShowUptime (std::stringstream& s, int seconds) {
int num;
if ((num = seconds / 86400) > 0) {
s << num << " days, ";
seconds -= num * 86400;
}
if ((num = seconds / 3600) > 0) {
s << num << " hours, ";
seconds -= num * 3600;
}
if ((num = seconds / 60) > 0) {
s << num << " min, ";
seconds -= num * 60;
}
s << seconds << " seconds";
}
void ShowTunnelDetails (std::stringstream& s, enum i2p::tunnel::TunnelState eState, int bytes)
{
std::string state;
switch (eState) {
case i2p::tunnel::eTunnelStateBuildReplyReceived :
case i2p::tunnel::eTunnelStatePending : state = "building"; break;
case i2p::tunnel::eTunnelStateBuildFailed :
case i2p::tunnel::eTunnelStateTestFailed :
case i2p::tunnel::eTunnelStateFailed : state = "failed"; break;
case i2p::tunnel::eTunnelStateExpiring : state = "expiring"; break;
case i2p::tunnel::eTunnelStateEstablished : state = "established"; break;
default: state = "unknown"; break;
}
s << "<span class=\"tunnel " << state << "\"> " << state << "</span>, ";
s << " " << (int) (bytes / 1024) << "&nbsp;KiB<br>\r\n";
}
void ShowPageHead (std::stringstream& s)
{
s <<
"<!DOCTYPE html>\r\n"
"<html lang=\"en\">\r\n" /* TODO: Add support for locale */
" <head>\r\n"
" <meta charset=\"UTF-8\">\r\n" /* TODO: Find something to parse html/template system. This is horrible. */
" <link rel='shortcut icon' href='" << itoopieFavicon << "'>\r\n"
" <title>Purple I2P " VERSION " Webconsole</title>\r\n"
<< cssStyles <<
"</head>\r\n";
s <<
"<body>\r\n"
"<div class=header><b>i2pd</b> webconsole</div>\r\n"
"<div class=wrapper>\r\n"
"<div class=left>\r\n"
" <a href=/>Main page</a><br>\r\n<br>\r\n"
" <a href=/?page=" << HTTP_PAGE_COMMANDS << ">Router commands</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_LOCAL_DESTINATIONS << ">Local destinations</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_TUNNELS << ">Tunnels</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_TRANSIT_TUNNELS << ">Transit tunnels</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_TRANSPORTS << ">Transports</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_I2P_TUNNELS << ">I2P tunnels</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_JUMPSERVICES << ">Jump services</a><br>\r\n"
" <a href=/?page=" << HTTP_PAGE_SAM_SESSIONS << ">SAM sessions</a><br>\r\n"
"</div>\r\n"
"<div class=right>";
}
void ShowPageTail (std::stringstream& s)
{
s <<
"</div></div>\r\n"
"</body>\r\n"
"</html>\r\n";
}
void ShowError(std::stringstream& s, const std::string& string)
{
s << "<b>ERROR:</b>&nbsp;" << string << "<br>\r\n";
}
void ShowStatus (std::stringstream& s)
{
s << "<b>Uptime:</b> ";
ShowUptime(s, i2p::context.GetUptime ());
s << "<br>\r\n";
s << "<b>Status:</b> ";
switch (i2p::context.GetStatus ())
{
case eRouterStatusOK: s << "OK"; break;
case eRouterStatusTesting: s << "Testing"; break;
case eRouterStatusFirewalled: s << "Firewalled"; break;
default: s << "Unknown";
}
s << "<br>\r\n";
auto family = i2p::context.GetFamily ();
if (family.length () > 0)
s << "<b>Family:</b> " << family << "<br>\r\n";
s << "<b>Tunnel creation success rate:</b> " << i2p::tunnel::tunnels.GetTunnelCreationSuccessRate () << "%<br>\r\n";
s << "<b>Received:</b> ";
s << std::fixed << std::setprecision(2);
auto numKBytesReceived = (double) i2p::transport::transports.GetTotalReceivedBytes () / 1024;
if (numKBytesReceived < 1024)
s << numKBytesReceived << " KiB";
else if (numKBytesReceived < 1024 * 1024)
s << numKBytesReceived / 1024 << " MiB";
else
s << numKBytesReceived / 1024 / 1024 << " GiB";
s << " (" << (double) i2p::transport::transports.GetInBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Sent:</b> ";
auto numKBytesSent = (double) i2p::transport::transports.GetTotalSentBytes () / 1024;
if (numKBytesSent < 1024)
s << numKBytesSent << " KiB";
else if (numKBytesSent < 1024 * 1024)
s << numKBytesSent / 1024 << " MiB";
else
s << numKBytesSent / 1024 / 1024 << " GiB";
s << " (" << (double) i2p::transport::transports.GetOutBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Data path:</b> " << i2p::fs::GetDataDir() << "<br>\r\n<br>\r\n";
s << "<b>Our external address:</b>" << "<br>\r\n" ;
for (auto address : i2p::context.GetRouterInfo().GetAddresses())
{
switch (address->transportStyle)
{
case i2p::data::RouterInfo::eTransportNTCP:
if (address->host.is_v6 ())
s << "NTCP6&nbsp;&nbsp;";
else
s << "NTCP&nbsp;&nbsp;";
break;
case i2p::data::RouterInfo::eTransportSSU:
if (address->host.is_v6 ())
s << "SSU6&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
else
s << "SSU&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
break;
default:
s << "Unknown&nbsp;&nbsp;";
}
s << address->host.to_string() << ":" << address->port << "<br>\r\n";
}
s << "<br>\r\n<b>Routers:</b> " << i2p::data::netdb.GetNumRouters () << " ";
s << "<b>Floodfills:</b> " << i2p::data::netdb.GetNumFloodfills () << " ";
s << "<b>LeaseSets:</b> " << i2p::data::netdb.GetNumLeaseSets () << "<br>\r\n";
size_t clientTunnelCount = i2p::tunnel::tunnels.CountOutboundTunnels();
clientTunnelCount += i2p::tunnel::tunnels.CountInboundTunnels();
size_t transitTunnelCount = i2p::tunnel::tunnels.CountTransitTunnels();
s << "<b>Client Tunnels:</b> " << std::to_string(clientTunnelCount) << " ";
s << "<b>Transit Tunnels:</b> " << std::to_string(transitTunnelCount) << "<br>\r\n";
}
void ShowJumpServices (std::stringstream& s, const std::string& address)
{
s << "<form type=\"GET\" action=\"/\">";
s << "<input type=\"hidden\" name=\"page\" value=\"jumpservices\">";
s << "<input type=\"text\" name=\"address\" value=\"" << address << "\">";
s << "<input type=\"submit\" value=\"Update\">";
s << "</form><br>\r\n";
s << "<b>Jump services for " << address << "</b>\r\n<ul>\r\n";
for (auto & js : jumpservices) {
s << " <li><a href=\"" << js.second << address << "\">" << js.first << "</a></li>\r\n";
}
s << "</ul>\r\n";
}
void ShowLocalDestinations (std::stringstream& s)
{
s << "<b>Local Destinations:</b><br>\r\n<br>\r\n";
for (auto& it: i2p::client::context.GetDestinations ())
{
auto ident = it.second->GetIdentHash ();;
s << "<a href=/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << ">";
s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n" << std::endl;
}
}
void ShowLocalDestination (std::stringstream& s, const std::string& b32)
{
s << "<b>Local Destination:</b><br>\r\n<br>\r\n";
i2p::data::IdentHash ident;
ident.FromBase32 (b32);
auto dest = i2p::client::context.FindLocalDestination (ident);
if (dest)
{
s << "<b>Base64:</b><br>\r\n<textarea readonly=\"readonly\" cols=\"64\" rows=\"11\" wrap=\"on\">";
s << dest->GetIdentity ()->ToBase64 () << "</textarea><br>\r\n<br>\r\n";
s << "<b>LeaseSets:</b> <i>" << dest->GetNumRemoteLeaseSets () << "</i><br>\r\n";
auto pool = dest->GetTunnelPool ();
if (pool)
{
s << "<b>Inbound tunnels:</b><br>\r\n";
for (auto & it : pool->GetInboundTunnels ()) {
it->Print(s);
ShowTunnelDetails(s, it->GetState (), it->GetNumReceivedBytes ());
}
s << "<br>\r\n";
s << "<b>Outbound tunnels:</b><br>\r\n";
for (auto & it : pool->GetOutboundTunnels ()) {
it->Print(s);
ShowTunnelDetails(s, it->GetState (), it->GetNumSentBytes ());
}
}
s << "<br>\r\n";
s << "<b>Tags</b><br>Incoming: " << dest->GetNumIncomingTags () << "<br>Outgoing:<br>" << std::endl;
for (auto it: dest->GetSessions ())
{
s << i2p::client::context.GetAddressBook ().ToAddress(it.first) << " ";
s << it.second->GetNumOutgoingTags () << "<br>" << std::endl;
}
s << "<br>" << std::endl;
// s << "<br>\r\n<b>Streams:</b><br>\r\n";
// for (auto it: dest->GetStreamingDestination ()->GetStreams ())
// {
// s << it.first << "->" << i2p::client::context.GetAddressBook ().ToAddress(it.second->GetRemoteIdentity ()) << " ";
// s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
// s << " [out:" << it.second->GetSendQueueSize () << "][in:" << it.second->GetReceiveQueueSize () << "]";
// s << "[buf:" << it.second->GetSendBufferSize () << "]";
// s << "[RTT:" << it.second->GetRTT () << "]";
// s << "[Window:" << it.second->GetWindowSize () << "]";
// s << "[Status:" << (int)it.second->GetStatus () << "]";
// s << "<br>\r\n"<< std::endl;
// }
s << "<br>\r\n<table><caption>Streams</caption><tr>";
s << "<th>StreamID</th>";
s << "<th>Destination</th>";
s << "<th>Sent</th>";
s << "<th>Received</th>";
s << "<th>Out</th>";
s << "<th>In</th>";
s << "<th>Buf</th>";
s << "<th>RTT</th>";
s << "<th>Window</th>";
s << "<th>Status</th>";
s << "</tr>";
for (auto it: dest->GetAllStreams ())
{
s << "<tr>";
s << "<td>" << it->GetSendStreamID () << "</td>";
s << "<td>" << i2p::client::context.GetAddressBook ().ToAddress(it->GetRemoteIdentity ()) << "</td>";
s << "<td>" << it->GetNumSentBytes () << "</td>";
s << "<td>" << it->GetNumReceivedBytes () << "</td>";
s << "<td>" << it->GetSendQueueSize () << "</td>";
s << "<td>" << it->GetReceiveQueueSize () << "</td>";
s << "<td>" << it->GetSendBufferSize () << "</td>";
s << "<td>" << it->GetRTT () << "</td>";
s << "<td>" << it->GetWindowSize () << "</td>";
s << "<td>" << (int)it->GetStatus () << "</td>";
s << "</tr><br>\r\n" << std::endl;
}
}
}
void ShowTunnels (std::stringstream& s)
{
s << "<b>Queue size:</b> " << i2p::tunnel::tunnels.GetQueueSize () << "<br>\r\n";
s << "<b>Inbound tunnels:</b><br>\r\n";
for (auto & it : i2p::tunnel::tunnels.GetInboundTunnels ()) {
it->Print(s);
ShowTunnelDetails(s, it->GetState (), it->GetNumReceivedBytes ());
}
s << "<br>\r\n";
s << "<b>Outbound tunnels:</b><br>\r\n";
for (auto & it : i2p::tunnel::tunnels.GetOutboundTunnels ()) {
it->Print(s);
ShowTunnelDetails(s, it->GetState (), it->GetNumSentBytes ());
}
s << "<br>\r\n";
}
void ShowCommands (std::stringstream& s)
{
/* commands */
s << "<b>Router Commands</b><br>\r\n";
s << " <a href=/?cmd=" << HTTP_COMMAND_RUN_PEER_TEST << ">Run peer test</a><br>\r\n";
//s << " <a href=/?cmd=" << HTTP_COMMAND_RELOAD_CONFIG << ">Reload config</a><br>\r\n";
if (i2p::context.AcceptsTunnels ())
s << " <a href=/?cmd=" << HTTP_COMMAND_STOP_ACCEPTING_TUNNELS << ">Stop accepting tunnels</a><br>\r\n";
else
s << " <a href=/?cmd=" << HTTP_COMMAND_START_ACCEPTING_TUNNELS << ">Start accepting tunnels</a><br>\r\n";
#ifndef WIN32
if (Daemon.gracefullShutdownInterval) {
s << " <a href=/?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << ">Cancel gracefull shutdown (";
s << Daemon.gracefullShutdownInterval;
s << " seconds remains)</a><br>\r\n";
} else {
s << " <a href=/?cmd=" << HTTP_COMMAND_SHUTDOWN_START << ">Start gracefull shutdown</a><br>\r\n";
}
s << " <a href=/?cmd=" << HTTP_COMMAND_SHUTDOWN_NOW << ">Force shutdown</a><br>\r\n";
#endif
}
void ShowTransitTunnels (std::stringstream& s)
{
s << "<b>Transit tunnels:</b><br>\r\n<br>\r\n";
for (auto it: i2p::tunnel::tunnels.GetTransitTunnels ())
{
if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelGateway>(it))
s << it->GetTunnelID () << "";
else if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelEndpoint>(it))
s << "" << it->GetTunnelID ();
else
s << "" << it->GetTunnelID () << "";
s << " " << it->GetNumTransmittedBytes () << "<br>\r\n";
}
}
void ShowTransports (std::stringstream& s)
{
s << "<b>Transports:</b><br>\r\n<br>\r\n";
auto ntcpServer = i2p::transport::transports.GetNTCPServer ();
if (ntcpServer)
{
s << "<b>NTCP</b><br>\r\n";
for (auto it: ntcpServer->GetNTCPSessions ())
{
if (it.second && it.second->IsEstablished ())
{
// incoming connection doesn't have remote RI
if (it.second->IsOutgoing ()) s << "";
s << i2p::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< it.second->GetSocket ().remote_endpoint().address ().to_string ();
if (!it.second->IsOutgoing ()) s << "";
s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
s << "<br>\r\n" << std::endl;
}
}
}
auto ssuServer = i2p::transport::transports.GetSSUServer ();
if (ssuServer)
{
s << "<br>\r\n<b>SSU</b><br>\r\n";
for (auto it: ssuServer->GetSessions ())
{
auto endpoint = it.second->GetRemoteEndpoint ();
if (it.second->IsOutgoing ()) s << "";
s << endpoint.address ().to_string () << ":" << endpoint.port ();
if (!it.second->IsOutgoing ()) s << "";
s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
if (it.second->GetRelayTag ())
s << " [itag:" << it.second->GetRelayTag () << "]";
s << "<br>\r\n" << std::endl;
}
s << "<br>\r\n<b>SSU6</b><br>\r\n";
for (auto it: ssuServer->GetSessionsV6 ())
{
auto endpoint = it.second->GetRemoteEndpoint ();
if (it.second->IsOutgoing ()) s << "";
s << endpoint.address ().to_string () << ":" << endpoint.port ();
if (!it.second->IsOutgoing ()) s << "";
s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
s << "<br>\r\n" << std::endl;
}
}
}
void ShowSAMSessions (std::stringstream& s)
{
auto sam = i2p::client::context.GetSAMBridge ();
if (!sam) {
ShowError(s, "SAM disabled");
return;
}
s << "<b>SAM Sessions:</b><br>\r\n<br>\r\n";
for (auto& it: sam->GetSessions ())
{
s << "<a href=/?page=" << HTTP_PAGE_SAM_SESSION << "&sam_id=" << it.first << ">";
s << it.first << "</a><br>\r\n" << std::endl;
}
}
void ShowSAMSession (std::stringstream& s, const std::string& id)
{
s << "<b>SAM Session:</b><br>\r\n<br>\r\n";
auto sam = i2p::client::context.GetSAMBridge ();
if (!sam) {
ShowError(s, "SAM disabled");
return;
}
auto session = sam->FindSession (id);
if (!session) {
ShowError(s, "SAM session not found");
return;
}
auto& ident = session->localDestination->GetIdentHash();
s << "<a href=/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << ">";
s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n";
s << "<br>\r\n";
s << "<b>Streams:</b><br>\r\n";
for (auto it: session->ListSockets())
{
switch (it->GetSocketType ())
{
case i2p::client::eSAMSocketTypeSession : s << "session"; break;
case i2p::client::eSAMSocketTypeStream : s << "stream"; break;
case i2p::client::eSAMSocketTypeAcceptor : s << "acceptor"; break;
default: s << "unknown"; break;
}
s << " [" << it->GetSocket ().remote_endpoint() << "]";
s << "<br>\r\n";
}
}
void ShowI2PTunnels (std::stringstream& s)
{
s << "<b>Client Tunnels:</b><br>\r\n<br>\r\n";
for (auto& it: i2p::client::context.GetClientTunnels ())
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<a href=/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << ">";
s << it.second->GetName () << "</a> ⇐ ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << "<br>\r\n"<< std::endl;
}
s << "<br>\r\n<b>Server Tunnels:</b><br>\r\n<br>\r\n";
for (auto& it: i2p::client::context.GetServerTunnels ())
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<a href=/?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << ">";
s << it.second->GetName () << "</a> ⇒ ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << ":" << it.second->GetLocalPort ();
s << "</a><br>\r\n"<< std::endl;
}
}
HTTPConnection::HTTPConnection (std::shared_ptr<boost::asio::ip::tcp::socket> socket):
m_Socket (socket), m_Timer (socket->get_io_service ()), m_BufferLen (0)
{
/* cache options */
i2p::config::GetOption("http.auth", needAuth);
i2p::config::GetOption("http.user", user);
i2p::config::GetOption("http.pass", pass);
};
void HTTPConnection::Receive ()
{
m_Socket->async_read_some (boost::asio::buffer (m_Buffer, HTTP_CONNECTION_BUFFER_SIZE),
std::bind(&HTTPConnection::HandleReceive, shared_from_this (),
std::placeholders::_1, std::placeholders::_2));
}
void HTTPConnection::HandleReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (ecode) {
if (ecode != boost::asio::error::operation_aborted)
Terminate (ecode);
return;
}
m_Buffer[bytes_transferred] = '\0';
m_BufferLen = bytes_transferred;
RunRequest();
Receive ();
}
void HTTPConnection::RunRequest ()
{
HTTPReq request;
int ret = request.parse(m_Buffer);
if (ret < 0) {
m_Buffer[0] = '\0';
m_BufferLen = 0;
return; /* error */
}
if (ret == 0)
return; /* need more data */
HandleRequest (request);
}
void HTTPConnection::Terminate (const boost::system::error_code& ecode)
{
if (ecode == boost::asio::error::operation_aborted)
return;
boost::system::error_code ignored_ec;
m_Socket->shutdown(boost::asio::ip::tcp::socket::shutdown_both, ignored_ec);
m_Socket->close ();
}
bool HTTPConnection::CheckAuth (const HTTPReq & req) {
/* method #1: http://user:pass@127.0.0.1:7070/ */
if (req.uri.find('@') != std::string::npos) {
URL url;
if (url.parse(req.uri) && url.user == user && url.pass == pass)
return true;
}
/* method #2: 'Authorization' header sent */
if (req.headers.count("Authorization") > 0) {
std::string provided = req.headers.find("Authorization")->second;
std::string expected = user + ":" + pass;
char b64_creds[64];
std::size_t len = 0;
len = i2p::data::ByteStreamToBase64((unsigned char *)expected.c_str(), expected.length(), b64_creds, sizeof(b64_creds));
b64_creds[len] = '\0';
expected = "Basic ";
expected += b64_creds;
if (provided == expected)
return true;
}
LogPrint(eLogWarning, "HTTPServer: auth failure from ", m_Socket->remote_endpoint().address ());
return false;
}
void HTTPConnection::HandleRequest (const HTTPReq & req)
{
std::stringstream s;
std::string content;
HTTPRes res;
LogPrint(eLogDebug, "HTTPServer: request: ", req.uri);
if (needAuth && !CheckAuth(req)) {
res.code = 401;
res.headers.insert(std::pair<std::string, std::string>("WWW-Authenticate", "Basic realm=\"WebAdmin\""));
SendReply(res, content);
return;
}
// Html5 head start
ShowPageHead (s);
if (req.uri.find("page=") != std::string::npos)
HandlePage (req, res, s);
else if (req.uri.find("cmd=") != std::string::npos)
HandleCommand (req, res, s);
else
ShowStatus (s);
ShowPageTail (s);
content = s.str ();
SendReply (res, content);
}
void HTTPConnection::HandlePage (const HTTPReq& req, HTTPRes& res, std::stringstream& s)
{
std::map<std::string, std::string> params;
std::string page("");
URL url;
url.parse(req.uri);
url.parse_query(params);
page = params["page"];
if (page == HTTP_PAGE_TRANSPORTS)
ShowTransports (s);
else if (page == HTTP_PAGE_TUNNELS)
ShowTunnels (s);
else if (page == HTTP_PAGE_COMMANDS)
ShowCommands (s);
else if (page == HTTP_PAGE_JUMPSERVICES)
ShowJumpServices (s, params["address"]);
else if (page == HTTP_PAGE_TRANSIT_TUNNELS)
ShowTransitTunnels (s);
else if (page == HTTP_PAGE_LOCAL_DESTINATIONS)
ShowLocalDestinations (s);
else if (page == HTTP_PAGE_LOCAL_DESTINATION)
ShowLocalDestination (s, params["b32"]);
else if (page == HTTP_PAGE_SAM_SESSIONS)
ShowSAMSessions (s);
else if (page == HTTP_PAGE_SAM_SESSION)
ShowSAMSession (s, params["sam_id"]);
else if (page == HTTP_PAGE_I2P_TUNNELS)
ShowI2PTunnels (s);
else {
res.code = 400;
ShowError(s, "Unknown page: " + page);
return;
}
}
void HTTPConnection::HandleCommand (const HTTPReq& req, HTTPRes& res, std::stringstream& s)
{
std::map<std::string, std::string> params;
std::string cmd("");
URL url;
url.parse(req.uri);
url.parse_query(params);
cmd = params["cmd"];
if (cmd == HTTP_COMMAND_RUN_PEER_TEST)
i2p::transport::transports.PeerTest ();
else if (cmd == HTTP_COMMAND_RELOAD_CONFIG)
i2p::client::context.ReloadConfig ();
else if (cmd == HTTP_COMMAND_START_ACCEPTING_TUNNELS)
i2p::context.SetAcceptsTunnels (true);
else if (cmd == HTTP_COMMAND_STOP_ACCEPTING_TUNNELS)
i2p::context.SetAcceptsTunnels (false);
else if (cmd == HTTP_COMMAND_SHUTDOWN_START) {
i2p::context.SetAcceptsTunnels (false);
#ifndef WIN32
Daemon.gracefullShutdownInterval = 10*60;
#endif
} else if (cmd == HTTP_COMMAND_SHUTDOWN_CANCEL) {
i2p::context.SetAcceptsTunnels (true);
#ifndef WIN32
Daemon.gracefullShutdownInterval = 0;
#endif
} else if (cmd == HTTP_COMMAND_SHUTDOWN_NOW) {
Daemon.running = false;
} else {
res.code = 400;
ShowError(s, "Unknown command: " + cmd);
return;
}
s << "<b>SUCCESS</b>:&nbsp;Command accepted<br><br>\r\n";
s << "<a href=\"/?page=commands\">Back to commands list</a>";
}
void HTTPConnection::SendReply (HTTPRes& reply, std::string& content)
{
std::time_t time_now = std::time(nullptr);
char time_buff[128];
std::strftime(time_buff, sizeof(time_buff), "%a, %d %b %Y %H:%M:%S GMT", std::gmtime(&time_now));
reply.status = HTTPCodeToStatus(reply.code);
reply.headers.insert(std::pair<std::string, std::string>("Date", time_buff));
reply.headers.insert(std::pair<std::string, std::string>("Content-Type", "text/html"));
reply.headers.insert(std::pair<std::string, std::string>("Content-Length", std::to_string(content.size())));
std::string res = reply.to_string();
std::vector<boost::asio::const_buffer> buffers;
buffers.push_back(boost::asio::buffer(res));
buffers.push_back(boost::asio::buffer(content));
boost::asio::async_write (*m_Socket, buffers,
std::bind (&HTTPConnection::Terminate, shared_from_this (), std::placeholders::_1));
}
HTTPServer::HTTPServer (const std::string& address, int port):
m_Thread (nullptr), m_Work (m_Service),
m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint (boost::asio::ip::address::from_string(address), port))
{
}
HTTPServer::~HTTPServer ()
{
Stop ();
}
void HTTPServer::Start ()
{
bool needAuth; i2p::config::GetOption("http.auth", needAuth);
std::string user; i2p::config::GetOption("http.user", user);
std::string pass; i2p::config::GetOption("http.pass", pass);
/* generate pass if needed */
if (needAuth && pass == "") {
char alnum[] = "0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
pass.resize(16);
for (size_t i = 0; i < pass.size(); i++) {
pass[i] = alnum[rand() % (sizeof(alnum) - 1)];
}
i2p::config::SetOption("http.pass", pass);
LogPrint(eLogInfo, "HTTPServer: password set to ", pass);
}
m_Thread = std::unique_ptr<std::thread>(new std::thread (std::bind (&HTTPServer::Run, this)));
m_Acceptor.listen ();
Accept ();
}
void HTTPServer::Stop ()
{
m_Acceptor.close();
m_Service.stop ();
if (m_Thread) {
m_Thread->join ();
m_Thread = nullptr;
}
}
void HTTPServer::Run ()
{
m_Service.run ();
}
void HTTPServer::Accept ()
{
auto newSocket = std::make_shared<boost::asio::ip::tcp::socket> (m_Service);
m_Acceptor.async_accept (*newSocket, boost::bind (&HTTPServer::HandleAccept, this,
boost::asio::placeholders::error, newSocket));
}
void HTTPServer::HandleAccept(const boost::system::error_code& ecode,
std::shared_ptr<boost::asio::ip::tcp::socket> newSocket)
{
if (ecode)
return;
CreateConnection(newSocket);
Accept ();
}
void HTTPServer::CreateConnection(std::shared_ptr<boost::asio::ip::tcp::socket> newSocket)
{
auto conn = std::make_shared<HTTPConnection> (newSocket);
conn->Receive ();
}
} // http
} // i2p