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HTTPServer.cpp
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HTTPServer.cpp
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#include <iomanip>
#include <sstream>
#include <thread>
#include <memory>
#include <boost/asio.hpp>
#include <boost/bind.hpp>
#include <boost/algorithm/string.hpp>
#include "Base.h"
#include "FS.h"
#include "Log.h"
#include "Config.h"
#include "Tunnel.h"
#include "Transports.h"
#include "NetDb.hpp"
#include "HTTP.h"
#include "LeaseSet.h"
#include "Destination.h"
#include "RouterContext.h"
#include "ClientContext.h"
#include "HTTPServer.h"
#include "Daemon.h"
#include "util.h"
#ifdef WIN32_APP
#include "Win32/Win32App.h"
#endif
// For image and info
#include "version.h"
namespace dotnet {
namespace http {
const char *dotnetFavicon =
"data:image/png;base64,"
"iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACx"
"jwv8YQUAAAAJcEhZcwAALiIAAC4iAari3ZIAAAAHdElNRQfgCQsUNSZrkhi1AAAAGXRFWHRTb2Z0"
"d2FyZQBwYWludC5uZXQgNC4wLjEyQwRr7AAAAoJJREFUOE9jwAUqi4Q1oEwwcDTV1+5sETaBclGB"
"vb09C5QJB6kWpvFQJoOCeLC5kmjEHCgXE2SlyETLi3h6QrkM4VL+ssWSCZUgtopITLKqaOotRTEn"
"cbAkLqAkGtOqLBLVAWLXyWSVFkkmRiqLxuaqiWb/VBYJMAYrwgckJY25VEUzniqKhjU2y+RtCRSP"
"6lUXy/1jIBV5tlYxZUaFVMq2NInwIi9hO8fSfOEAqDZUoCwal6MulvOvyS7gi69K4j9zxZT/m0ps"
"/28ptvvvquXXryIa7QYMMdTwqi0WNtVi0GIDseXl7TnUxFKfnGlxAGp0+D8j2eH/8Ub7/9e7nf7X"
"+Af/B7rwt6pI0h0l0WhQADOC9DBkhSirpImHNVZKp24ukkyoshGLnN8d5fA/y13t/44Kq/8hlnL/"
"z7fZ/58f6vcxSNpbVUVFhV1RLNBVTsQzVYZPSwhsCAhkiIfpNMrkbO6TLf071Sfk/5ZSi/+7q6z/"
"P5ns+v9mj/P/CpuI/20y+aeNGYxZoVoYGmsF3aFMBAAZlCwftnF9ke3//bU2//fXWP8/UGv731Am"
"+V+DdNblSqnUYqhSTKAiYSOqJBrVqiaa+S3UNPr/gmyH/xuKXf63hnn/B8bIP0UxHfEyyeSNQKVM"
"EB1AEB2twhcTLp+gIBJUoyKasEpVJHmqskh8qryovUG/ffCHHRU2q/Tk/YuB6eGPsbExa7ZkpLu1"
"oLEcVDtuUCgV1w60rQzElpRUE1EVSX0BYidHiInXF4nagNhYQW60EF+ApH1ktni0A1SIITSUgVlZ"
"JHYnlIsfzJjIp9xZKswL5YKBHL+coKJoRDaUSzoozxHVrygQU4JykQADAwAT5b1NHtwZugAAAABJ"
"RU5ErkJggg==";
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, .slide label { text-decoration: none; color: #894C84; }\r\n"
" a:hover, .slide label: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.building { 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"
" .slide p, .slide [type='checkbox']{ display:none; }\r\n"
" .slide [type='checkbox']:checked ~ p { display:block; margin-top: 0; padding: 0; }\r\n"
" .disabled:after { color: #D33F3F; content: \"Disabled\" }\r\n"
" .enabled:after { color: #56B734; content: \"Enabled\" }\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_DNCP_LOCAL_DESTINATION[] = "dncp_local_destination";
const char HTTP_PAGE_SAM_SESSIONS[] = "sam_sessions";
const char HTTP_PAGE_SAM_SESSION[] = "sam_session";
const char HTTP_PAGE_DOTNET_TUNNELS[] = "dotnet_tunnels";
const char HTTP_PAGE_COMMANDS[] = "commands";
const char HTTP_PAGE_LEASESETS[] = "leasesets";
const char HTTP_COMMAND_ENABLE_TRANSIT[] = "enable_transit";
const char HTTP_COMMAND_DISABLE_TRANSIT[] = "disable_transit";
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_COMMAND_LOGLEVEL[] = "set_loglevel";
const char HTTP_PARAM_SAM_SESSION_ID[] = "id";
const char HTTP_PARAM_ADDRESS[] = "address";
static std::string ConvertTime (uint64_t time);
static 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";
}
static void ShowTraffic (std::stringstream& s, uint64_t bytes)
{
s << std::fixed << std::setprecision(2);
auto numKBytes = (double) bytes / 1024;
if (numKBytes < 1024)
s << numKBytes << " KiB";
else if (numKBytes < 1024 * 1024)
s << numKBytes / 1024 << " MiB";
else
s << numKBytes / 1024 / 1024 << " GiB";
}
static void ShowTunnelDetails (std::stringstream& s, enum dotnet::tunnel::TunnelState eState, bool explr, int bytes)
{
std::string state;
switch (eState) {
case dotnet::tunnel::eTunnelStateBuildReplyReceived :
case dotnet::tunnel::eTunnelStatePending : state = "building"; break;
case dotnet::tunnel::eTunnelStateBuildFailed :
case dotnet::tunnel::eTunnelStateTestFailed :
case dotnet::tunnel::eTunnelStateFailed : state = "failed"; break;
case dotnet::tunnel::eTunnelStateExpiring : state = "expiring"; break;
case dotnet::tunnel::eTunnelStateEstablished : state = "established"; break;
default: state = "unknown"; break;
}
s << "<span class=\"tunnel " << state << "\"> " << state << ((explr) ? " (exploratory)" : "") << "</span>, ";
s << " " << (int) (bytes / 1024) << " KiB<br>\r\n";
}
static void SetLogLevel (const std::string& level)
{
if (level == "none" || level == "error" || level == "warn" || level == "info" || level == "debug")
dotnet::log::Logger().SetLogLevel(level);
else {
LogPrint(eLogError, "HTTPServer: unknown loglevel set attempted");
return;
}
dotnet::log::Logger().Reopen ();
}
static void ShowPageHead (std::stringstream& s)
{
std::string webroot;
dotnet::config::GetOption("http.webroot", webroot);
s <<
"<!DOCTYPE html>\r\n"
"<html lang=\"en\">\r\n" /* TODO: Add support for locale */
" <head>\r\n" /* TODO: Find something to parse html/template system. This is horrible. */
#if (!defined(WIN32))
" <meta charset=\"UTF-8\">\r\n"
#else
" <meta charset=\"windows-1251\">\r\n"
#endif
" <link rel=\"shortcut icon\" href=\"" << dotnetFavicon << "\">\r\n"
" <title>Purple DOTNET " VERSION " Webconsole</title>\r\n"
<< cssStyles <<
"</head>\r\n";
s <<
"<body>\r\n"
"<div class=header><b>dotnet</b> webconsole</div>\r\n"
"<div class=wrapper>\r\n"
"<div class=left>\r\n"
" <a href=\"" << webroot << "\">Main page</a><br>\r\n<br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_COMMANDS << "\">Router commands</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATIONS << "\">Local destinations</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_LEASESETS << "\">LeaseSets</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">Tunnels</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">Transit tunnels</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSPORTS << "\">Transports</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_DOTNET_TUNNELS << "\">DOTNET tunnels</a><br>\r\n";
if (dotnet::client::context.GetSAMBridge ())
s << " <a href=\"" << webroot << "?page=" << HTTP_PAGE_SAM_SESSIONS << "\">SAM sessions</a><br>\r\n";
s <<
"</div>\r\n"
"<div class=right>";
}
static void ShowPageTail (std::stringstream& s)
{
s <<
"</div></div>\r\n"
"</body>\r\n"
"</html>\r\n";
}
static void ShowError(std::stringstream& s, const std::string& string)
{
s << "<b>ERROR:</b> " << string << "<br>\r\n";
}
void ShowStatus (
std::stringstream& s,
bool includeHiddenContent,
dotnet::http::OutputFormatEnum outputFormat)
{
s << "<b>Uptime:</b> ";
ShowUptime(s, dotnet::context.GetUptime ());
s << "<br>\r\n";
s << "<b>Network status:</b> ";
switch (dotnet::context.GetStatus ())
{
case eRouterStatusOK: s << "OK"; break;
case eRouterStatusTesting: s << "Testing"; break;
case eRouterStatusFirewalled: s << "Firewalled"; break;
case eRouterStatusError:
{
s << "Error";
switch (dotnet::context.GetError ())
{
case eRouterErrorClockSkew:
s << "<br>Clock skew";
break;
default: ;
}
break;
}
default: s << "Unknown";
}
s << "<br>\r\n";
#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) || defined(ANDROID_BINARY))
if (auto remains = Daemon.gracefulShutdownInterval) {
s << "<b>Stopping in:</b> ";
s << remains << " seconds";
s << "<br>\r\n";
}
#endif
auto family = dotnet::context.GetFamily ();
if (family.length () > 0)
s << "<b>Family:</b> " << family << "<br>\r\n";
s << "<b>Tunnel creation success rate:</b> " << dotnet::tunnel::tunnels.GetTunnelCreationSuccessRate () << "%<br>\r\n";
s << "<b>Received:</b> ";
ShowTraffic (s, dotnet::transport::transports.GetTotalReceivedBytes ());
s << " (" << (double) dotnet::transport::transports.GetInBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Sent:</b> ";
ShowTraffic (s, dotnet::transport::transports.GetTotalSentBytes ());
s << " (" << (double) dotnet::transport::transports.GetOutBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Transit:</b> ";
ShowTraffic (s, dotnet::transport::transports.GetTotalTransitTransmittedBytes ());
s << " (" << (double) dotnet::transport::transports.GetTransitBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Data path:</b> " << dotnet::fs::GetDataDir() << "<br>\r\n";
s << "<div class='slide'>";
if((outputFormat==OutputFormatEnum::forWebConsole)||!includeHiddenContent) {
s << "<label for='slide-info'>Hidden content. Press on text to see.</label>\r\n<input type='checkbox' id='slide-info'/>\r\n<p class='content'>\r\n";
}
if(includeHiddenContent) {
s << "<b>Router Ident:</b> " << dotnet::context.GetRouterInfo().GetIdentHashBase64() << "<br>\r\n";
s << "<b>Router Family:</b> " << dotnet::context.GetRouterInfo().GetProperty("family") << "<br>\r\n";
s << "<b>Router Caps:</b> " << dotnet::context.GetRouterInfo().GetProperty("caps") << "<br>\r\n";
s << "<b>Our external address:</b>" << "<br>\r\n" ;
for (const auto& address : dotnet::context.GetRouterInfo().GetAddresses())
{
if (address->IsNTCP2 () && !address->IsPublishedNTCP2 ())
{
s << "NTCP2";
if (address->host.is_v6 ()) s << "v6";
s << " supported <br>\r\n";
continue;
}
switch (address->transportStyle)
{
case dotnet::data::RouterInfo::eTransportNTCP:
{
s << "NTCP";
if (address->IsPublishedNTCP2 ()) s << "2";
if (address->host.is_v6 ()) s << "v6";
s << " ";
break;
}
case dotnet::data::RouterInfo::eTransportSSU:
if (address->host.is_v6 ())
s << "SSUv6 ";
else
s << "SSU ";
break;
default:
s << "Unknown ";
}
s << address->host.to_string() << ":" << address->port << "<br>\r\n";
}
}
s << "</p>\r\n</div>\r\n";
if(outputFormat==OutputFormatEnum::forQtUi) {
s << "<br>";
}
s << "<b>Routers:</b> " << dotnet::data::netdb.GetNumRouters () << " ";
s << "<b>Floodfills:</b> " << dotnet::data::netdb.GetNumFloodfills () << " ";
s << "<b>LeaseSets:</b> " << dotnet::data::netdb.GetNumLeaseSets () << "<br>\r\n";
size_t clientTunnelCount = dotnet::tunnel::tunnels.CountOutboundTunnels();
clientTunnelCount += dotnet::tunnel::tunnels.CountInboundTunnels();
size_t transitTunnelCount = dotnet::tunnel::tunnels.CountTransitTunnels();
s << "<b>Client Tunnels:</b> " << std::to_string(clientTunnelCount) << " ";
s << "<b>Transit Tunnels:</b> " << std::to_string(transitTunnelCount) << "<br>\r\n<br>\r\n";
if(outputFormat==OutputFormatEnum::forWebConsole) {
s << "<table><caption>Services</caption><tr><th>Service</th><th>State</th></tr>\r\n";
s << "<tr><td>" << "HTTP Proxy" << "</td><td><div class='" << ((dotnet::client::context.GetHttpProxy ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "SOCKS Proxy" << "</td><td><div class='" << ((dotnet::client::context.GetSocksProxy ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "BOB" << "</td><td><div class='" << ((dotnet::client::context.GetBOBCommandChannel ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "SAM" << "</td><td><div class='" << ((dotnet::client::context.GetSAMBridge ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "DNCP" << "</td><td><div class='" << ((dotnet::client::context.GetDNCPServer ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
bool dotnetcontrol; dotnet::config::GetOption("dotnetcontrol.enabled", dotnetcontrol);
s << "<tr><td>" << "DotNetControl" << "</td><td><div class='" << ((dotnetcontrol) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "</table>\r\n";
}
}
void ShowLocalDestinations (std::stringstream& s)
{
std::string webroot; dotnet::config::GetOption("http.webroot", webroot);
s << "<b>Local Destinations:</b><br>\r\n<br>\r\n";
for (auto& it: dotnet::client::context.GetDestinations ())
{
auto ident = it.second->GetIdentHash ();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n" << std::endl;
}
auto dncpServer = dotnet::client::context.GetDNCPServer ();
if (dncpServer && !(dncpServer->GetSessions ().empty ()))
{
s << "<br><b>DNCP Local Destinations:</b><br>\r\n<br>\r\n";
for (auto& it: dncpServer->GetSessions ())
{
auto dest = it.second->GetDestination ();
if (dest)
{
auto ident = dest->GetIdentHash ();
auto& name = dest->GetNickname ();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_DNCP_LOCAL_DESTINATION << "&dncp_id=" << it.first << "\">[ ";
s << name << " ]</a> ⇔ " << dotnet::client::context.GetAddressBook ().ToAddress(ident) <<"<br>\r\n" << std::endl;
}
}
}
}
static void ShowLeaseSetDestination (std::stringstream& s, std::shared_ptr<const dotnet::client::LeaseSetDestination> 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";
if(dest->GetNumRemoteLeaseSets())
{
s << "<div class='slide'><label for='slide-lease'><b>LeaseSets:</b> <i>" << dest->GetNumRemoteLeaseSets () << "</i></label>\r\n<input type='checkbox' id='slide-lease'/>\r\n<p class='content'>\r\n";
for(auto& it: dest->GetLeaseSets ())
s << it.first.ToBase32 () << " " << (int)it.second->GetStoreType () << "<br>\r\n";
s << "</p>\r\n</div>\r\n";
} else
s << "<b>LeaseSets:</b> <i>0</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);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), false, it->GetNumReceivedBytes ());
}
s << "<br>\r\n";
s << "<b>Outbound tunnels:</b><br>\r\n";
for (auto & it : pool->GetOutboundTunnels ()) {
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), false, it->GetNumSentBytes ());
}
}
s << "<br>\r\n";
s << "<b>Tags</b><br>Incoming: <i>" << dest->GetNumIncomingTags () << "</i><br>";
if (!dest->GetSessions ().empty ()) {
std::stringstream tmp_s; uint32_t out_tags = 0;
for (const auto& it: dest->GetSessions ()) {
tmp_s << dotnet::client::context.GetAddressBook ().ToAddress(it.first) << " " << it.second->GetNumOutgoingTags () << "<br>\r\n";
out_tags = out_tags + it.second->GetNumOutgoingTags ();
}
s << "<div class='slide'><label for='slide-tags'>Outgoing: <i>" << out_tags << "</i></label>\r\n<input type='checkbox' id='slide-tags'/>\r\n<p class='content'>\r\n" << tmp_s.str () << "</p>\r\n</div>\r\n";
} else
s << "Outgoing: <i>0</i><br>\r\n";
s << "<br>\r\n";
}
void ShowLocalDestination (std::stringstream& s, const std::string& b32)
{
s << "<b>Local Destination:</b><br>\r\n<br>\r\n";
dotnet::data::IdentHash ident;
ident.FromBase32 (b32);
auto dest = dotnet::client::context.FindLocalDestination (ident);
if (dest)
{
ShowLeaseSetDestination (s, dest);
// show streams
s << "<table><caption>Streams</caption>\r\n<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>\r\n";
for (const auto& it: dest->GetAllStreams ())
{
s << "<tr>";
s << "<td>" << it->GetSendStreamID () << "</td>";
s << "<td>" << dotnet::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>\r\n";
}
s << "</table>";
}
}
static void ShowDNCPLocalDestination (std::stringstream& s, const std::string& id)
{
auto dncpServer = dotnet::client::context.GetDNCPServer ();
if (dncpServer)
{
s << "<b>DNCP Local Destination:</b><br>\r\n<br>\r\n";
auto it = dncpServer->GetSessions ().find (std::stoi (id));
if (it != dncpServer->GetSessions ().end ())
ShowLeaseSetDestination (s, it->second->GetDestination ());
else
ShowError(s, "DNCP session not found");
}
else
ShowError(s, "DNCP is not enabled");
}
void ShowLeasesSets(std::stringstream& s)
{
s << "<b>LeaseSets:</b><br>\r\n<br>\r\n";
int counter = 1;
// for each lease set
dotnet::data::netdb.VisitLeaseSets(
[&s, &counter](const dotnet::data::IdentHash dest, std::shared_ptr<dotnet::data::LeaseSet> leaseSet)
{
// create copy of lease set so we extract leases
auto storeType = leaseSet->GetStoreType ();
std::unique_ptr<dotnet::data::LeaseSet> ls;
if (storeType == dotnet::data::NETDB_STORE_TYPE_LEASESET)
ls.reset (new dotnet::data::LeaseSet (leaseSet->GetBuffer(), leaseSet->GetBufferLen()));
else
ls.reset (new dotnet::data::LeaseSet2 (storeType, leaseSet->GetBuffer(), leaseSet->GetBufferLen()));
if (!ls) return;
s << "<div class='leaseset";
if (ls->IsExpired())
s << " expired"; // additional css class for expired
s << "'>\r\n";
if (!ls->IsValid())
s << "<div class='invalid'>!! Invalid !! </div>\r\n";
s << "<div class='slide'><label for='slide" << counter << "'>" << dest.ToBase32() << "</label>\r\n";
s << "<input type='checkbox' id='slide" << (counter++) << "'/>\r\n<p class='content'>\r\n";
s << "<b>Store type:</b> " << (int)storeType << "<br>\r\n";
s << "<b>Expires:</b> " << ConvertTime(ls->GetExpirationTime()) << "<br>\r\n";
if (storeType == dotnet::data::NETDB_STORE_TYPE_LEASESET || storeType == dotnet::data::NETDB_STORE_TYPE_STANDARD_LEASESET2)
{
// leases information is available
auto leases = ls->GetNonExpiredLeases();
s << "<b>Non Expired Leases: " << leases.size() << "</b><br>\r\n";
for ( auto & l : leases )
{
s << "<b>Gateway:</b> " << l->tunnelGateway.ToBase64() << "<br>\r\n";
s << "<b>TunnelID:</b> " << l->tunnelID << "<br>\r\n";
s << "<b>EndDate:</b> " << ConvertTime(l->endDate) << "<br>\r\n";
}
}
s << "</p>\r\n</div>\r\n</div>\r\n";
}
);
// end for each lease set
}
void ShowTunnels (std::stringstream& s)
{
s << "<b>Tunnels:</b><br>\r\n<br>\r\n";
s << "<b>Queue size:</b> " << dotnet::tunnel::tunnels.GetQueueSize () << "<br>\r\n";
auto ExplPool = dotnet::tunnel::tunnels.GetExploratoryPool ();
s << "<b>Inbound tunnels:</b><br>\r\n";
for (auto & it : dotnet::tunnel::tunnels.GetInboundTunnels ()) {
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumReceivedBytes ());
}
s << "<br>\r\n";
s << "<b>Outbound tunnels:</b><br>\r\n";
for (auto & it : dotnet::tunnel::tunnels.GetOutboundTunnels ()) {
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumSentBytes ());
}
s << "<br>\r\n";
}
static void ShowCommands (std::stringstream& s, uint32_t token)
{
std::string webroot; dotnet::config::GetOption("http.webroot", webroot);
/* commands */
s << "<b>Router Commands</b><br>\r\n<br>\r\n";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_RUN_PEER_TEST << "&token=" << token << "\">Run peer test</a><br>\r\n";
//s << " <a href=\"/?cmd=" << HTTP_COMMAND_RELOAD_CONFIG << "\">Reload config</a><br>\r\n";
if (dotnet::context.AcceptsTunnels ())
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_DISABLE_TRANSIT << "&token=" << token << "\">Decline transit tunnels</a><br>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_ENABLE_TRANSIT << "&token=" << token << "\">Accept transit tunnels</a><br>\r\n";
#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) || defined(ANDROID_BINARY))
if (Daemon.gracefulShutdownInterval)
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << "&token=" << token << "\">Cancel graceful shutdown</a><br>";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">Start graceful shutdown</a><br>\r\n";
#elif defined(WIN32_APP)
if (dotnet::util::DaemonWin32::Instance().isGraceful)
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << "&token=" << token << "\">Cancel graceful shutdown</a><br>";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">Graceful shutdown</a><br>\r\n";
#endif
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_NOW << "&token=" << token << "\">Force shutdown</a><br>\r\n";
s << "<br>\r\n<b>Logging level</b><br>\r\n";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=none&token=" << token << "\">[none]</a> ";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=error&token=" << token << "\">[error]</a> ";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=warn&token=" << token << "\">[warn]</a> ";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=info&token=" << token << "\">[info]</a> ";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=debug&token=" << token << "\">[debug]</a><br>\r\n";
}
void ShowTransitTunnels (std::stringstream& s)
{
s << "<b>Transit tunnels:</b><br>\r\n<br>\r\n";
for (const auto& it: dotnet::tunnel::tunnels.GetTransitTunnels ())
{
if (std::dynamic_pointer_cast<dotnet::tunnel::TransitTunnelGateway>(it))
s << it->GetTunnelID () << " ⇒ ";
else if (std::dynamic_pointer_cast<dotnet::tunnel::TransitTunnelEndpoint>(it))
s << " ⇒ " << it->GetTunnelID ();
else
s << " ⇒ " << it->GetTunnelID () << " ⇒ ";
s << " " << it->GetNumTransmittedBytes () << "<br>\r\n";
}
}
template<typename Sessions>
static void ShowNTCPTransports (std::stringstream& s, const Sessions& sessions, const std::string name)
{
std::stringstream tmp_s, tmp_s6; uint16_t cnt = 0, cnt6 = 0;
for (const auto& it: sessions )
{
if (it.second && it.second->IsEstablished () && !it.second->GetSocket ().remote_endpoint ().address ().is_v6 ())
{
// incoming connection doesn't have remote RI
if (it.second->IsOutgoing ()) tmp_s << " ⇒ ";
tmp_s << dotnet::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< it.second->GetSocket ().remote_endpoint().address ().to_string ();
if (!it.second->IsOutgoing ()) tmp_s << " ⇒ ";
tmp_s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
tmp_s << "<br>\r\n" << std::endl;
cnt++;
}
if (it.second && it.second->IsEstablished () && it.second->GetSocket ().remote_endpoint ().address ().is_v6 ())
{
if (it.second->IsOutgoing ()) tmp_s6 << " ⇒ ";
tmp_s6 << dotnet::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< "[" << it.second->GetSocket ().remote_endpoint().address ().to_string () << "]";
if (!it.second->IsOutgoing ()) tmp_s6 << " ⇒ ";
tmp_s6 << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
tmp_s6 << "<br>\r\n" << std::endl;
cnt6++;
}
}
if (!tmp_s.str ().empty ())
{
s << "<div class='slide'><label for='slide_" << boost::algorithm::to_lower_copy(name) << "'><b>" << name << "</b> ( " << cnt << " )</label>\r\n<input type='checkbox' id='slide_" << boost::algorithm::to_lower_copy(name) << "'/>\r\n<p class='content'>";
s << tmp_s.str () << "</p>\r\n</div>\r\n";
}
if (!tmp_s6.str ().empty ())
{
s << "<div class='slide'><label for='slide_" << boost::algorithm::to_lower_copy(name) << "v6'><b>" << name << "v6</b> ( " << cnt6 << " )</label>\r\n<input type='checkbox' id='slide_" << boost::algorithm::to_lower_copy(name) << "v6'/>\r\n<p class='content'>";
s << tmp_s6.str () << "</p>\r\n</div>\r\n";
}
}
void ShowTransports (std::stringstream& s)
{
s << "<b>Transports:</b><br>\r\n<br>\r\n";
auto ntcpServer = dotnet::transport::transports.GetNTCPServer ();
if (ntcpServer)
{
auto sessions = ntcpServer->GetNTCPSessions ();
if (!sessions.empty ())
ShowNTCPTransports (s, sessions, "NTCP");
}
auto ntcp2Server = dotnet::transport::transports.GetNTCP2Server ();
if (ntcp2Server)
{
auto sessions = ntcp2Server->GetNTCP2Sessions ();
if (!sessions.empty ())
ShowNTCPTransports (s, sessions, "NTCP2");
}
auto ssuServer = dotnet::transport::transports.GetSSUServer ();
if (ssuServer)
{
auto sessions = ssuServer->GetSessions ();
if (!sessions.empty ())
{
s << "<div class='slide'><label for='slide_ssu'><b>SSU</b> ( " << (int) sessions.size() << " )</label>\r\n<input type='checkbox' id='slide_ssu'/>\r\n<p class='content'>";
for (const auto& it: sessions)
{
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 << "</p>\r\n</div>\r\n";
}
auto sessions6 = ssuServer->GetSessionsV6 ();
if (!sessions6.empty ())
{
s << "<div class='slide'><label for='slide_ssuv6'><b>SSUv6</b> ( " << (int) sessions6.size() << " )</label>\r\n<input type='checkbox' id='slide_ssuv6'/>\r\n<p class='content'>";
for (const auto& it: sessions6)
{
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 << "</p>\r\n</div>\r\n";
}
}
}
void ShowSAMSessions (std::stringstream& s)
{
std::string webroot; dotnet::config::GetOption("http.webroot", webroot);
auto sam = dotnet::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 ())
{
auto& name = it.second->localDestination->GetNickname ();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_SAM_SESSION << "&sam_id=" << it.first << "\">";
s << name << " (" << it.first << ")</a><br>\r\n" << std::endl;
}
}
static void ShowSAMSession (std::stringstream& s, const std::string& id)
{
std::string webroot; dotnet::config::GetOption("http.webroot", webroot);
s << "<b>SAM Session:</b><br>\r\n<br>\r\n";
auto sam = dotnet::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=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident) << "</a><br>\r\n";
s << "<br>\r\n";
s << "<b>Streams:</b><br>\r\n";
for (const auto& it: sam->ListSockets(id))
{
switch (it->GetSocketType ())
{
case dotnet::client::eSAMSocketTypeSession : s << "session"; break;
case dotnet::client::eSAMSocketTypeStream : s << "stream"; break;
case dotnet::client::eSAMSocketTypeAcceptor : s << "acceptor"; break;
default: s << "unknown"; break;
}
s << " [" << it->GetSocket ().remote_endpoint() << "]";
s << "<br>\r\n";
}
}
void ShowDotNetTunnels (std::stringstream& s)
{
std::string webroot; dotnet::config::GetOption("http.webroot", webroot);
s << "<b>Client Tunnels:</b><br>\r\n<br>\r\n";
for (auto& it: dotnet::client::context.GetClientTunnels ())
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> ⇐ ";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident);
s << "<br>\r\n"<< std::endl;
}
auto httpProxy = dotnet::client::context.GetHttpProxy ();
if (httpProxy)
{
auto& ident = httpProxy->GetLocalDestination ()->GetIdentHash();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << "HTTP Proxy" << "</a> ⇐ ";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident);
s << "<br>\r\n"<< std::endl;
}
auto socksProxy = dotnet::client::context.GetSocksProxy ();
if (socksProxy)
{
auto& ident = socksProxy->GetLocalDestination ()->GetIdentHash();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << "SOCKS Proxy" << "</a> ⇐ ";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident);
s << "<br>\r\n"<< std::endl;
}
auto& serverTunnels = dotnet::client::context.GetServerTunnels ();
if (!serverTunnels.empty ()) {
s << "<br>\r\n<b>Server Tunnels:</b><br>\r\n<br>\r\n";
for (auto& it: serverTunnels)
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> ⇒ ";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident);
s << ":" << it.second->GetLocalPort ();
s << "</a><br>\r\n"<< std::endl;
}
}
auto& clientForwards = dotnet::client::context.GetClientForwards ();
if (!clientForwards.empty ())
{
s << "<br>\r\n<b>Client Forwards:</b><br>\r\n<br>\r\n";
for (auto& it: clientForwards)
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> ⇐ ";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident);
s << "<br>\r\n"<< std::endl;
}
}
auto& serverForwards = dotnet::client::context.GetServerForwards ();
if (!serverForwards.empty ())
{
s << "<br>\r\n<b>Server Forwards:</b><br>\r\n<br>\r\n";
for (auto& it: serverForwards)
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> ⇐ ";
s << dotnet::client::context.GetAddressBook ().ToAddress(ident);
s << "<br>\r\n"<< std::endl;
}
}
}
std::string ConvertTime (uint64_t time)
{
ldiv_t divTime = ldiv(time,1000);
time_t t = divTime.quot;
struct tm *tm = localtime(&t);
char date[128];
snprintf(date, sizeof(date), "%02d/%02d/%d %02d:%02d:%02d.%03ld", tm->tm_mday, tm->tm_mon + 1, tm->tm_year + 1900, tm->tm_hour, tm->tm_min, tm->tm_sec, divTime.rem);
return date;
}
HTTPConnection::HTTPConnection (std::string hostname, std::shared_ptr<boost::asio::ip::tcp::socket> socket):
m_Socket (socket), m_BufferLen (0), expected_host(hostname)
{
/* cache options */
dotnet::config::GetOption("http.auth", needAuth);
dotnet::config::GetOption("http.user", user);
dotnet::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 */
auto provided = req.GetHeader ("Authorization");
if (provided.length () > 0)
{
std::string expected = "Basic " + dotnet::data::ToBase64Standard (user + ":" + pass);
if (expected == provided) 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.add_header("WWW-Authenticate", "Basic realm=\"WebAdmin\"");
SendReply(res, content);
return;
}
bool strictheaders;
dotnet::config::GetOption("http.strictheaders", strictheaders);
if (strictheaders)
{
std::string http_hostname;
dotnet::config::GetOption("http.hostname", http_hostname);
std::string host = req.GetHeader("Host");
auto idx = host.find(':');
/* strip out port so it's just host */
if (idx != std::string::npos && idx > 0)
{
host = host.substr(0, idx);
}
if (!(host == expected_host || host == http_hostname))
{
/* deny request as it's from a non whitelisted hostname */
res.code = 403;
content = "host mismatch";
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, true, dotnet::http::OutputFormatEnum::forWebConsole);
res.add_header("Refresh", "10");
}
ShowPageTail (s);
res.code = 200;
content = s.str ();
SendReply (res, content);
}
std::map<uint32_t, uint32_t> HTTPConnection::m_Tokens;
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)
{
uint32_t token;
RAND_bytes ((uint8_t *)&token, 4);
token &= 0x7FFFFFFF; // clear first bit
auto ts = dotnet::util::GetSecondsSinceEpoch ();
for (auto it = m_Tokens.begin (); it != m_Tokens.end (); )
{
if (ts > it->second + TOKEN_EXPIRATION_TIMEOUT)
it = m_Tokens.erase (it);
else
++it;
}
m_Tokens[token] = ts;
ShowCommands (s, token);
}
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_DNCP_LOCAL_DESTINATION)
ShowDNCPLocalDestination (s, params["dncp_id"]);
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_DOTNET_TUNNELS)
ShowDotNetTunnels (s);
else if (page == HTTP_PAGE_LEASESETS)
ShowLeasesSets(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;
URL url;
url.parse(req.uri);
url.parse_query(params);
std::string token = params["token"];
if (token.empty () || m_Tokens.find (std::stoi (token)) == m_Tokens.end ())
{
ShowError(s, "Invalid token");
return;
}
std::string cmd = params["cmd"];
if (cmd == HTTP_COMMAND_RUN_PEER_TEST)
dotnet::transport::transports.PeerTest ();
else if (cmd == HTTP_COMMAND_RELOAD_CONFIG)
dotnet::client::context.ReloadConfig ();
else if (cmd == HTTP_COMMAND_ENABLE_TRANSIT)
dotnet::context.SetAcceptsTunnels (true);