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i2pd/daemon/HTTPServer.cpp

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/*
* Copyright (c) 2013-2020, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
* See full license text in LICENSE file at top of project tree
*/
#include <iomanip>
#include <sstream>
#include <thread>
#include <memory>
#include <boost/asio.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"
#include "ECIESX25519AEADRatchetSession.h"
#ifdef WIN32_APP
#include "Win32App.h"
#endif
// For image and info
#include "version.h"
namespace i2p {
namespace http {
const char *itoopieFavicon =
"data:image/png;base64,"
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"+Af/B7rwt6pI0h0l0WhQADOC9DBkhSirpImHNVZKp24ukkyoshGLnN8d5fA/y13t/44Kq/8hlnL/"
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"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"
" a.button { -webkit-appearance: button; -moz-appearance: button; appearance: button; text-decoration: none;\r\n"
" color: initial; padding: 0 5px; border: 1px solid #894C84; }\r\n"
" .header { font-size: 2.5em; text-align: center; margin: 1em 0; color: #894C84; }\r\n"
" .wrapper { margin: 0 auto; padding: 1em; max-width: 58em; }\r\n"
" .menu { float: left; } .menu a, .commands a { display: block; }\r\n"
" .listitem { display: block; font-family: monospace; font-size: 1.2em; white-space: nowrap; }\r\n"
" .tableitem { font-family: monospace; font-size: 1.2em; white-space: nowrap; }\r\n"
" .content { float: left; font-size: 1em; margin-left: 4em; max-width: 45em; overflow: auto; }\r\n"
" .tunnel.established { color: #56B734; } .tunnel.expiring { color: #D3AE3F; }\r\n"
" .tunnel.failed { color: #D33F3F; } .tunnel.building { color: #434343; }\r\n"
" caption { font-size: 1.5em; text-align: center; color: #894C84; }\r\n"
" table { display: table; border-collapse: collapse; text-align: center; }\r\n"
" table.extaddr { text-align: left; } table.services { width: 100%; }\r\n"
" textarea { word-break: break-all; }\r\n"
" .streamdest { width: 120px; max-width: 240px; overflow: hidden; text-overflow: ellipsis;}\r\n"
" .slide div.slidecontent, .slide [type=\"checkbox\"] { display: none; }\r\n"
" .slide [type=\"checkbox\"]:checked ~ div.slidecontent { 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"
" @media screen and (max-width: 980px) {\r\n" /* adaptive style */
" body { padding: 1.5em 0 0 0; }\r\n"
" .menu { width: 100%; display: block; float: none; position: unset; font-size: 16px;\r\n"
" text-align: center; }\r\n"
" .menu a, .commands a { padding: 2px; }\r\n"
" .content { float: none; margin-left: unset; margin-top: 16px; max-width: 100%; width: 100%;\r\n"
" text-align: center; }\r\n"
" a, .slide label { /* margin-right: 10px; */ display: block; /* font-size: 18px; */ }\r\n"
" .header { margin: unset; font-size: 1.5em; } small {display: block}\r\n"
" a.button { -webkit-appearance: button; -moz-appearance: button; appearance: button; text-decoration: none;\r\n"
" color: initial; margin-top: 10px; padding: 6px; border: 1px solid #894c84; width: -webkit-fill-available; }\r\n"
" input { width: 35%; text-align: center; padding: 5px;\r\n"
" border: 2px solid #ccc; -webkit-border-radius: 5px; border-radius: 5px; font-size: 18px; }\r\n"
" textarea { width: -webkit-fill-available; height: auto; padding:5px; border:2px solid #ccc;\r\n"
" -webkit-border-radius: 5px; border-radius: 5px; font-size: 12px; }\r\n"
" button[type=submit] { padding: 5px 15px; background: #ccc; border: 0 none; cursor: pointer;\r\n"
" -webkit-border-radius: 5px; border-radius: 5px; position: relative; height: 36px; display: -webkit-inline-box; margin-top: 10px; }\r\n"
" }\r\n" /* adaptive style */
"</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_I2CP_LOCAL_DESTINATION[] = "i2cp_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_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_COMMAND_KILLSTREAM[] = "closestream";
const char HTTP_COMMAND_LIMITTRANSIT[] = "limittransit";
const char HTTP_PARAM_SAM_SESSION_ID[] = "id";
const char HTTP_PARAM_ADDRESS[] = "address";
static std::string ConvertTime (uint64_t time);
std::map<uint32_t, uint32_t> HTTPConnection::m_Tokens;
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 i2p::tunnel::TunnelState eState, bool explr, 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 << ((explr) ? " (exploratory)" : "") << "</span>, ";
s << " " << (int) (bytes / 1024) << "&nbsp;KiB\r\n";
}
static void SetLogLevel (const std::string& level)
{
if (level == "none" || level == "error" || level == "warn" || level == "info" || level == "debug")
i2p::log::Logger().SetLogLevel(level);
else {
LogPrint(eLogError, "HTTPServer: unknown loglevel set attempted");
return;
}
i2p::log::Logger().Reopen ();
}
static void ShowPageHead (std::stringstream& s)
{
std::string webroot;
i2p::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
" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n"
" <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=\"menu\">\r\n"
" <a href=\"" << webroot << "\">Main page</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_COMMANDS << "\">Router commands</a>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATIONS << "\">Local destinations</a>\r\n";
if (i2p::context.IsFloodfill ())
s << " <a href=\"" << webroot << "?page=" << HTTP_PAGE_LEASESETS << "\">LeaseSets</a>\r\n";
s <<
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">Tunnels</a>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">Transit tunnels</a>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSPORTS << "\">Transports</a>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_I2P_TUNNELS << "\">I2P tunnels</a>\r\n";
if (i2p::client::context.GetSAMBridge ())
s << " <a href=\"" << webroot << "?page=" << HTTP_PAGE_SAM_SESSIONS << "\">SAM sessions</a>\r\n";
s <<
"</div>\r\n"
"<div class=\"content\">";
}
static void ShowPageTail (std::stringstream& s)
{
s <<
"</div>\r\n</div>\r\n"
"</body>\r\n"
"</html>\r\n";
}
static void ShowError(std::stringstream& s, const std::string& string)
{
s << "<b>ERROR:</b>&nbsp;" << string << "<br>\r\n";
}
void ShowStatus (std::stringstream& s, bool includeHiddenContent, i2p::http::OutputFormatEnum outputFormat)
{
s << "<b>Uptime:</b> ";
ShowUptime(s, i2p::context.GetUptime ());
s << "<br>\r\n";
s << "<b>Network status:</b> ";
switch (i2p::context.GetStatus ())
{
case eRouterStatusOK: s << "OK"; break;
case eRouterStatusTesting: s << "Testing"; break;
case eRouterStatusFirewalled: s << "Firewalled"; break;
case eRouterStatusError:
{
s << "Error";
switch (i2p::context.GetError ())
{
case eRouterErrorClockSkew:
s << " - Clock skew";
break;
case eRouterErrorOffline:
s << " - Offline";
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> ";
ShowUptime(s, remains);
s << "<br>\r\n";
}
#elif defined(WIN32_APP)
if (i2p::win32::g_GracefulShutdownEndtime != 0) {
uint16_t remains = (i2p::win32::g_GracefulShutdownEndtime - GetTickCount()) / 1000;
s << "<b>Stopping in:</b> ";
ShowUptime(s, remains);
s << "<br>\r\n";
}
#endif
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> ";
ShowTraffic (s, i2p::transport::transports.GetTotalReceivedBytes ());
s << " (" << (double) i2p::transport::transports.GetInBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Sent:</b> ";
ShowTraffic (s, i2p::transport::transports.GetTotalSentBytes ());
s << " (" << (double) i2p::transport::transports.GetOutBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Transit:</b> ";
ShowTraffic (s, i2p::transport::transports.GetTotalTransitTransmittedBytes ());
s << " (" << (double) i2p::transport::transports.GetTransitBandwidth () / 1024 << " KiB/s)<br>\r\n";
s << "<b>Data path:</b> " << i2p::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<div class=\"slidecontent\">\r\n";
}
if(includeHiddenContent) {
s << "<b>Router Ident:</b> " << i2p::context.GetRouterInfo().GetIdentHashBase64() << "<br>\r\n";
if (!i2p::context.GetRouterInfo().GetProperty("family").empty())
s << "<b>Router Family:</b> " << i2p::context.GetRouterInfo().GetProperty("family") << "<br>\r\n";
s << "<b>Router Caps:</b> " << i2p::context.GetRouterInfo().GetProperty("caps") << "<br>\r\n";
s << "<b>Our external address:</b>" << "<br>\r\n<table class=\"extaddr\"><tbody>\r\n";
for (const auto& address : i2p::context.GetRouterInfo().GetAddresses())
{
s << "<tr>\r\n";
if (address->IsNTCP2 () && !address->IsPublishedNTCP2 ())
{
s << "<td>NTCP2";
if (address->host.is_v6 ()) s << "v6";
s << "</td><td>supported</td>\r\n</tr>\r\n";
continue;
}
switch (address->transportStyle)
{
case i2p::data::RouterInfo::eTransportNTCP:
{
s << "<td>NTCP";
if (address->IsPublishedNTCP2 ()) s << "2";
if (address->host.is_v6 ()) s << "v6";
s << "</td>\r\n";
break;
}
case i2p::data::RouterInfo::eTransportSSU:
{
s << "<td>SSU";
if (address->host.is_v6 ())
s << "v6";
s << "</td>\r\n";
break;
}
default:
s << "<td>Unknown</td>\r\n";
}
s << "<td>" << address->host.to_string() << ":" << address->port << "</td>\r\n</tr>\r\n";
}
s << "</tbody></table>\r\n";
}
s << "</div>\r\n</div>\r\n";
if(outputFormat==OutputFormatEnum::forQtUi) {
s << "<br>";
}
s << "<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<br>\r\n";
if(outputFormat==OutputFormatEnum::forWebConsole) {
bool i2pcontrol; i2p::config::GetOption("i2pcontrol.enabled", i2pcontrol);
s << "<table class=\"services\"><caption>Services</caption><tbody>\r\n";
s << "<tr><td>" << "HTTP Proxy" << "</td><td><div class='" << ((i2p::client::context.GetHttpProxy ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "SOCKS Proxy" << "</td><td><div class='" << ((i2p::client::context.GetSocksProxy ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "BOB" << "</td><td><div class='" << ((i2p::client::context.GetBOBCommandChannel ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "SAM" << "</td><td><div class='" << ((i2p::client::context.GetSAMBridge ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "I2CP" << "</td><td><div class='" << ((i2p::client::context.GetI2CPServer ()) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "<tr><td>" << "I2PControl" << "</td><td><div class='" << ((i2pcontrol) ? "enabled" : "disabled") << "'></div></td></tr>\r\n";
s << "</tbody></table>\r\n";
}
}
void ShowLocalDestinations (std::stringstream& s)
{
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
s << "<b>Local Destinations:</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: i2p::client::context.GetDestinations ())
{
auto ident = it.second->GetIdentHash ();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a></div>\r\n" << std::endl;
}
s << "</div>\r\n";
auto i2cpServer = i2p::client::context.GetI2CPServer ();
if (i2cpServer && !(i2cpServer->GetSessions ().empty ()))
{
s << "<br><b>I2CP Local Destinations:</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: i2cpServer->GetSessions ())
{
auto dest = it.second->GetDestination ();
if (dest)
{
auto ident = dest->GetIdentHash ();
auto& name = dest->GetNickname ();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_I2CP_LOCAL_DESTINATION << "&i2cp_id=" << it.first << "\">[ ";
s << name << " ]</a> &#8660; " << i2p::client::context.GetAddressBook ().ToAddress(ident) <<"</div>\r\n" << std::endl;
}
}
s << "</div>\r\n";
}
}
static void ShowLeaseSetDestination (std::stringstream& s, std::shared_ptr<const i2p::client::LeaseSetDestination> dest)
{
s << "<b>Base64:</b><br>\r\n<textarea readonly cols=\"80\" rows=\"8\" wrap=\"on\">";
s << dest->GetIdentity ()->ToBase64 () << "</textarea><br>\r\n<br>\r\n";
if (dest->IsEncryptedLeaseSet ())
{
i2p::data::BlindedPublicKey blinded (dest->GetIdentity (), dest->IsPerClientAuth ());
s << "<div class='slide'><label for='slide-b33'><b>Encrypted B33 address:</b></label>\r\n<input type=\"checkbox\" id=\"slide-b33\" />\r\n<div class=\"slidecontent\">\r\n";
s << blinded.ToB33 () << ".b32.i2p<br>\r\n";
s << "</div>\r\n</div>\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<div class=\"slidecontent\">\r\n<table><thead><th>Address</th><th>Type</th><th>EncType</th></thead><tbody class=\"tableitem\">";
for(auto& it: dest->GetLeaseSets ())
s << "<tr><td>" << it.first.ToBase32 () << "</td><td>" << (int)it.second->GetStoreType () << "</td><td>" << (int)it.second->GetEncryptionType () <<"</td></tr>\r\n";
s << "</tbody></table>\r\n</div>\r\n</div>\r\n<br>\r\n";
} else
s << "<b>LeaseSets:</b> <i>0</i><br>\r\n<br>\r\n";
auto pool = dest->GetTunnelPool ();
if (pool)
{
s << "<b>Inbound tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : pool->GetInboundTunnels ()) {
s << "<div class=\"listitem\">";
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), false, it->GetNumReceivedBytes ());
s << "</div>\r\n";
}
s << "<br>\r\n";
s << "<b>Outbound tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : pool->GetOutboundTunnels ()) {
s << "<div class=\"listitem\">";
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), false, it->GetNumSentBytes ());
s << "</div>\r\n";
}
}
s << "<br>\r\n";
s << "<b>Tags</b><br>\r\nIncoming: <i>" << dest->GetNumIncomingTags () << "</i><br>\r\n";
if (!dest->GetSessions ().empty ()) {
std::stringstream tmp_s; uint32_t out_tags = 0;
for (const auto& it: dest->GetSessions ()) {
tmp_s << "<tr><td>" << i2p::client::context.GetAddressBook ().ToAddress(it.first) << "</td><td>" << it.second->GetNumOutgoingTags () << "</td></tr>\r\n";
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"
<< "<div class=\"slidecontent\">\r\n<table>\r\n<thead><th>Destination</th><th>Amount</th></thead>\r\n<tbody class=\"tableitem\">\r\n" << tmp_s.str () << "</tbody></table>\r\n</div>\r\n</div>\r\n";
} else
s << "Outgoing: <i>0</i><br>\r\n";
s << "<br>\r\n";
auto numECIESx25519Tags = dest->GetNumIncomingECIESx25519Tags ();
if (numECIESx25519Tags > 0) {
s << "<b>ECIESx25519</b><br>\r\nIncoming Tags: <i>" << numECIESx25519Tags << "</i><br>\r\n";
if (!dest->GetECIESx25519Sessions ().empty ())
{
std::stringstream tmp_s; uint32_t ecies_sessions = 0;
for (const auto& it: dest->GetECIESx25519Sessions ()) {
tmp_s << "<tr><td>" << i2p::client::context.GetAddressBook ().ToAddress(it.second->GetDestination ()) << "</td><td>" << it.second->GetState () << "</td></tr>\r\n";
ecies_sessions++;
}
s << "<div class='slide'><label for='slide-ecies-sessions'>Tags sessions: <i>" << ecies_sessions << "</i></label>\r\n<input type=\"checkbox\" id=\"slide-ecies-sessions\" />\r\n"
<< "<div class=\"slidecontent\">\r\n<table>\r\n<thead><th>Destination</th><th>Status</th></thead>\r\n<tbody class=\"tableitem\">\r\n" << tmp_s.str () << "</tbody></table>\r\n</div>\r\n</div>\r\n";
} else
s << "Tags sessions: <i>0</i><br>\r\n";
s << "<br>\r\n";
}
}
void ShowLocalDestination (std::stringstream& s, const std::string& b32, uint32_t token)
{
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)
{
ShowLeaseSetDestination (s, dest);
// show streams
s << "<table>\r\n<caption>Streams</caption>\r\n<thead>\r\n<tr>";
s << "<th style=\"width:25px;\">StreamID</th>";
s << "<th style=\"width:5px;\" \\>"; // Stream closing button column
s << "<th class=\"streamdest\">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</thead>\r\n<tbody class=\"tableitem\">\r\n";
for (const auto& it: dest->GetAllStreams ())
{
auto streamDest = i2p::client::context.GetAddressBook ().ToAddress(it->GetRemoteIdentity ());
std::string streamDestShort = streamDest.substr(0,12) + "&hellip;.b32.i2p";
s << "<tr>";
s << "<td>" << it->GetRecvStreamID () << "</td>";
if (it->GetRecvStreamID ()) {
s << "<td><a class=\"button\" href=\"/?cmd=" << HTTP_COMMAND_KILLSTREAM << "&b32=" << b32 << "&streamID="
<< it->GetRecvStreamID () << "&token=" << token << "\" title=\"Close stream\"> &#10008; </a></td>";
} else {
s << "<td \\>";
}
s << "<td class=\"streamdest\" title=\"" << streamDest << "\">" << streamDestShort << "</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 << "</tbody>\r\n</table>";
}
}
void ShowI2CPLocalDestination (std::stringstream& s, const std::string& id)
{
auto i2cpServer = i2p::client::context.GetI2CPServer ();
if (i2cpServer)
{
s << "<b>I2CP Local Destination:</b><br>\r\n<br>\r\n";
auto it = i2cpServer->GetSessions ().find (std::stoi (id));
if (it != i2cpServer->GetSessions ().end ())
ShowLeaseSetDestination (s, it->second->GetDestination ());
else
ShowError(s, "I2CP session not found");
}
else
ShowError(s, "I2CP is not enabled");
}
void ShowLeasesSets(std::stringstream& s)
{
if (i2p::data::netdb.GetNumLeaseSets ())
{
s << "<b>LeaseSets:</b><br>\r\n<div class=\"list\">\r\n";
int counter = 1;
// for each lease set
i2p::data::netdb.VisitLeaseSets(
[&s, &counter](const i2p::data::IdentHash dest, std::shared_ptr<i2p::data::LeaseSet> leaseSet)
{
// create copy of lease set so we extract leases
auto storeType = leaseSet->GetStoreType ();
std::unique_ptr<i2p::data::LeaseSet> ls;
if (storeType == i2p::data::NETDB_STORE_TYPE_LEASESET)
ls.reset (new i2p::data::LeaseSet (leaseSet->GetBuffer(), leaseSet->GetBufferLen()));
else
ls.reset (new i2p::data::LeaseSet2 (storeType, leaseSet->GetBuffer(), leaseSet->GetBufferLen()));
if (!ls) return;
s << "<div class=\"leaseset listitem";
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<div class=\"slidecontent\">\r\n";
s << "<b>Store type:</b> " << (int)storeType << "<br>\r\n";
s << "<b>Expires:</b> " << ConvertTime(ls->GetExpirationTime()) << "<br>\r\n";
if (storeType == i2p::data::NETDB_STORE_TYPE_LEASESET || storeType == i2p::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 << "</div>\r\n</div>\r\n</div>\r\n";
}
);
// end for each lease set
}
else if (!i2p::context.IsFloodfill ())
{
s << "<b>LeaseSets:</b> not floodfill.<br>\r\n";
}
else
{
s << "<b>LeaseSets:</b> 0<br>\r\n";
}
}
void ShowTunnels (std::stringstream& s)
{
s << "<b>Tunnels:</b><br>\r\n";
s << "<b>Queue size:</b> " << i2p::tunnel::tunnels.GetQueueSize () << "<br>\r\n<br>\r\n";
auto ExplPool = i2p::tunnel::tunnels.GetExploratoryPool ();
s << "<b>Inbound tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : i2p::tunnel::tunnels.GetInboundTunnels ()) {
s << "<div class=\"listitem\">";
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumReceivedBytes ());
s << "</div>\r\n";
}
s << "</div>\r\n<br>\r\n";
s << "<b>Outbound tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : i2p::tunnel::tunnels.GetOutboundTunnels ()) {
s << "<div class=\"listitem\">";
it->Print(s);
if(it->LatencyIsKnown())
s << " ( " << it->GetMeanLatency() << "ms )";
ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumSentBytes ());
s << "</div>\r\n";
}
s << "</div>\r\n";
}
static void ShowCommands (std::stringstream& s, uint32_t token)
{
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
/* commands */
s << "<b>Router Commands</b><br>\r\n<br>\r\n<div class=\"commands\">\r\n";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_RUN_PEER_TEST << "&token=" << token << "\">Run peer test</a>\r\n";
//s << " <a href=\"/?cmd=" << HTTP_COMMAND_RELOAD_CONFIG << "\">Reload config</a><br>\r\n";
if (i2p::context.AcceptsTunnels ())
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_DISABLE_TRANSIT << "&token=" << token << "\">Decline transit tunnels</a>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_ENABLE_TRANSIT << "&token=" << token << "\">Accept transit tunnels</a>\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>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">Start graceful shutdown</a><br>\r\n";
#elif defined(WIN32_APP)
if (i2p::util::DaemonWin32::Instance().isGraceful)
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << "&token=" << token << "\">Cancel graceful shutdown</a>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">Graceful shutdown</a>\r\n";
#endif
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_NOW << "&token=" << token << "\">Force shutdown</a>\r\n";
s << "</div>";
s << "<br>\r\n<small><b>Note:</b> any action done here are not persistent and not changes your config files.</small>\r\n<br>\r\n";
s << "<b>Logging level</b><br>\r\n";
s << " <a class=\"button\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=none&token=" << token << "\"> none </a> \r\n";
s << " <a class=\"button\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=error&token=" << token << "\"> error </a> \r\n";
s << " <a class=\"button\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=warn&token=" << token << "\"> warn </a> \r\n";
s << " <a class=\"button\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=info&token=" << token << "\"> info </a> \r\n";
s << " <a class=\"button\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=debug&token=" << token << "\"> debug </a><br>\r\n<br>\r\n";
uint16_t maxTunnels = GetMaxNumTransitTunnels ();
s << "<b>Transit tunnels limit</b><br>\r\n";
s << "<form method=\"get\" action=\"" << webroot << "\">\r\n";
s << " <input type=\"hidden\" name=\"cmd\" value=\"" << HTTP_COMMAND_LIMITTRANSIT << "\">\r\n";
s << " <input type=\"hidden\" name=\"token\" value=\"" << token << "\">\r\n";
s << " <input type=\"number\" min=\"0\" max=\"65535\" name=\"limit\" value=\"" << maxTunnels << "\">\r\n";
s << " <button type=\"submit\">Change</button>\r\n";
s << "</form>\r\n<br>\r\n";
}
void ShowTransitTunnels (std::stringstream& s)
{
if(i2p::tunnel::tunnels.CountTransitTunnels())
{
s << "<b>Transit tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (const auto& it: i2p::tunnel::tunnels.GetTransitTunnels ())
{
s << "<div class=\"listitem\">\r\n";
if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelGateway>(it))
s << it->GetTunnelID () << " &#8658; ";
else if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelEndpoint>(it))
s << " &#8658; " << it->GetTunnelID ();
else
s << " &#8658; " << it->GetTunnelID () << " &#8658; ";
s << " " << it->GetNumTransmittedBytes () << "</div>\r\n";
}
s << "</div>\r\n";
}
else
{
s << "<b>Transit tunnels:</b> no transit tunnels currently built.<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 ())
{
tmp_s << "<div class=\"listitem\">\r\n";
if (it.second->IsOutgoing ()) tmp_s << " &#8658; ";
tmp_s << i2p::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< it.second->GetSocket ().remote_endpoint().address ().to_string ();
if (!it.second->IsOutgoing ()) tmp_s << " &#8658; ";
tmp_s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
tmp_s << "</div>\r\n" << std::endl;
cnt++;
}
if (it.second && it.second->IsEstablished () && it.second->GetSocket ().remote_endpoint ().address ().is_v6 ())
{
tmp_s6 << "<div class=\"listitem\">\r\n";
if (it.second->IsOutgoing ()) tmp_s6 << " &#8658; ";
tmp_s6 << i2p::data::GetIdentHashAbbreviation (it.second->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< "[" << it.second->GetSocket ().remote_endpoint().address ().to_string () << "]";
if (!it.second->IsOutgoing ()) tmp_s6 << " &#8658; ";
tmp_s6 << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
tmp_s6 << "</div>\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<div class=\"slidecontent list\">"
<< tmp_s.str () << "</div>\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<div class=\"slidecontent list\">"
<< tmp_s6.str () << "</div>\r\n</div>\r\n";
}
}
void ShowTransports (std::stringstream& s)
{
s << "<b>Transports:</b><br>\r\n";
auto ntcp2Server = i2p::transport::transports.GetNTCP2Server ();
if (ntcp2Server)
{
auto sessions = ntcp2Server->GetNTCP2Sessions ();
if (!sessions.empty ())
ShowNTCPTransports (s, sessions, "NTCP2");
}
auto ssuServer = i2p::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<div class=\"slidecontent list\">";
for (const auto& it: sessions)
{
s << "<div class=\"listitem\">\r\n";
auto endpoint = it.second->GetRemoteEndpoint ();
if (it.second->IsOutgoing ()) s << " &#8658; ";
s << endpoint.address ().to_string () << ":" << endpoint.port ();
if (!it.second->IsOutgoing ()) s << " &#8658; ";
s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
if (it.second->GetRelayTag ())
s << " [itag:" << it.second->GetRelayTag () << "]";
s << "</div>\r\n" << std::endl;
}
s << "</div>\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<div class=\"slidecontent list\">";
for (const auto& it: sessions6)
{
s << "<div class=\"listitem\">\r\n";
auto endpoint = it.second->GetRemoteEndpoint ();
if (it.second->IsOutgoing ()) s << " &#8658; ";
s << "[" << endpoint.address ().to_string () << "]:" << endpoint.port ();
if (!it.second->IsOutgoing ()) s << " &#8658; ";
s << " [" << it.second->GetNumSentBytes () << ":" << it.second->GetNumReceivedBytes () << "]";
if (it.second->GetRelayTag ())
s << " [itag:" << it.second->GetRelayTag () << "]";
s << "</div>\r\n" << std::endl;
}
s << "</div>\r\n</div>\r\n";
}
}
}
void ShowSAMSessions (std::stringstream& s)
{
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
auto sam = i2p::client::context.GetSAMBridge ();
if (!sam)
{
ShowError(s, "SAM disabled");
return;
}
if(sam->GetSessions ().size ())
{
s << "<b>SAM Sessions:</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: sam->GetSessions ())
{
auto& name = it.second->localDestination->GetNickname ();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_SAM_SESSION << "&sam_id=" << it.first << "\">";
s << name << " (" << it.first << ")</a></div>\r\n" << std::endl;
}
s << "</div>\r\n";
}
else
s << "<b>SAM Sessions:</b> no sessions currently running.<br>\r\n";
}
void ShowSAMSession (std::stringstream& s, const std::string& id)
{
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;
}
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
s << "<b>SAM Session:</b><br>\r\n<div class=\"list\">\r\n";
auto& ident = session->localDestination->GetIdentHash();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << i2p::client::context.GetAddressBook ().ToAddress(ident) << "</a></div>\r\n";
s << "<br>\r\n";
s << "<b>Streams:</b><br>\r\n<div class=\"list\">\r\n";
for (const auto& it: sam->ListSockets(id))
{
s << "<div class=\"listitem\">";
switch (it->GetSocketType ())
{
case i2p::client::eSAMSocketTypeSession : s << "session"; break;
case i2p::client::eSAMSocketTypeStream : s << "stream"; break;
case i2p::client::eSAMSocketTypeAcceptor : s << "acceptor"; break;
case i2p::client::eSAMSocketTypeForward : s << "forward"; break;
default: s << "unknown"; break;
}
s << " [" << it->GetSocket ().remote_endpoint() << "]";
s << "</div>\r\n";
}
s << "</div>\r\n";
}
void ShowI2PTunnels (std::stringstream& s)
{
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
s << "<b>Client Tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: i2p::client::context.GetClientTunnels ())
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> &#8656; ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << "</div>\r\n"<< std::endl;
}
auto httpProxy = i2p::client::context.GetHttpProxy ();
if (httpProxy)
{
auto& ident = httpProxy->GetLocalDestination ()->GetIdentHash();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << "HTTP Proxy" << "</a> &#8656; ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << "</div>\r\n"<< std::endl;
}
auto socksProxy = i2p::client::context.GetSocksProxy ();
if (socksProxy)
{
auto& ident = socksProxy->GetLocalDestination ()->GetIdentHash();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << "SOCKS Proxy" << "</a> &#8656; ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << "</div>\r\n"<< std::endl;
}
s << "</div>\r\n";
auto& serverTunnels = i2p::client::context.GetServerTunnels ();
if (!serverTunnels.empty ()) {
s << "<br>\r\n<b>Server Tunnels:</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: serverTunnels)
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> &#8658; ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << ":" << it.second->GetLocalPort ();
s << "</a></div>\r\n"<< std::endl;
}
s << "</div>\r\n";
}
auto& clientForwards = i2p::client::context.GetClientForwards ();
if (!clientForwards.empty ())
{
s << "<br>\r\n<b>Client Forwards:</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: clientForwards)
{
auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
s << it.second->GetName () << "</a> &#8656; ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << "</div>\r\n"<< std::endl;
}
s << "</div>\r\n";
}
auto& serverForwards = i2p::client::context.GetServerForwards ();
if (!serverForwards.empty ())
{
s << "<br>\r\n<b>Server Forwards:</b><br>\r\n<div class=\"list\">\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> &#8656; ";
s << i2p::client::context.GetAddressBook ().ToAddress(ident);
s << "</div>\r\n"<< std::endl;
}
s << "</div>\r\n";
}
}
std::string ConvertTime (uint64_t time)
{
lldiv_t divTime = lldiv(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.%03lld", 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 */
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 */
auto provided = req.GetHeader ("Authorization");
if (provided.length () > 0)
{
std::string expected = "Basic " + i2p::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;
i2p::config::GetOption("http.strictheaders", strictheaders);
if (strictheaders)
{
std::string http_hostname;
i2p::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, i2p::http::OutputFormatEnum::forWebConsole);
res.add_header("Refresh", "10");
}
ShowPageTail (s);
res.code = 200;
content = s.str ();
SendReply (res, content);
}
uint32_t HTTPConnection::CreateToken ()
{
uint32_t token;
RAND_bytes ((uint8_t *)&token, 4);
token &= 0x7FFFFFFF; // clear first bit
auto ts = i2p::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;
return token;
}
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 = CreateToken ();
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)
{
uint32_t token = CreateToken ();
ShowLocalDestination (s, params["b32"], token);
}
else if (page == HTTP_PAGE_I2CP_LOCAL_DESTINATION)
ShowI2CPLocalDestination (s, params["i2cp_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_I2P_TUNNELS)
ShowI2PTunnels (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 webroot; i2p::config::GetOption("http.webroot", webroot);
std::string redirect = "5; url=" + webroot + "?page=commands";
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)
i2p::transport::transports.PeerTest ();
else if (cmd == HTTP_COMMAND_RELOAD_CONFIG)
i2p::client::context.ReloadConfig ();
else if (cmd == HTTP_COMMAND_ENABLE_TRANSIT)
i2p::context.SetAcceptsTunnels (true);
else if (cmd == HTTP_COMMAND_DISABLE_TRANSIT)
i2p::context.SetAcceptsTunnels (false);
else if (cmd == HTTP_COMMAND_SHUTDOWN_START)
{
i2p::context.SetAcceptsTunnels (false);
#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) || defined(ANDROID_BINARY))
Daemon.gracefulShutdownInterval = 10*60;
#elif defined(WIN32_APP)
i2p::win32::GracefulShutdown ();
#endif
}
else if (cmd == HTTP_COMMAND_SHUTDOWN_CANCEL)
{
i2p::context.SetAcceptsTunnels (true);
#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) || defined(ANDROID_BINARY))
Daemon.gracefulShutdownInterval = 0;
#elif defined(WIN32_APP)
i2p::win32::StopGracefulShutdown ();
#endif
}
else if (cmd == HTTP_COMMAND_SHUTDOWN_NOW)
{
#ifndef WIN32_APP
Daemon.running = false;
#else
i2p::win32::StopWin32App ();
#endif
}
else if (cmd == HTTP_COMMAND_LOGLEVEL)
{
std::string level = params["level"];
SetLogLevel (level);
}
else if (cmd == HTTP_COMMAND_KILLSTREAM)
{
std::string b32 = params["b32"];
uint32_t streamID = std::stoul(params["streamID"], nullptr);
i2p::data::IdentHash ident;
ident.FromBase32 (b32);
auto dest = i2p::client::context.FindLocalDestination (ident);
if (streamID)
{
if (dest)
{
if(dest->DeleteStream (streamID))
s << "<b>SUCCESS</b>:&nbsp;Stream closed<br><br>\r\n";
else
s << "<b>ERROR</b>:&nbsp;Stream not found or already was closed<br><br>\r\n";
}
else
s << "<b>ERROR</b>:&nbsp;Destination not found<br><br>\r\n";
}
else
s << "<b>ERROR</b>:&nbsp;StreamID can be null<br><br>\r\n";
s << "<a href=\"" << webroot << "?page=local_destination&b32=" << b32 << "\">Return to destination page</a><br>\r\n";
s << "<p>You will be redirected back in 5 seconds</b>";
redirect = "5; url=" + webroot + "?page=local_destination&b32=" + b32;
res.add_header("Refresh", redirect.c_str());
return;
}
else if (cmd == HTTP_COMMAND_LIMITTRANSIT)
{
uint32_t limit = std::stoul(params["limit"], nullptr);
if (limit > 0 && limit <= 65535)
SetMaxNumTransitTunnels (limit);
else {
s << "<b>ERROR</b>:&nbsp;Transit tunnels count must not exceed 65535<br><br>\r\n";
s << "<a href=\"" << webroot << "?page=commands\">Back to commands list</a><br>\r\n";
s << "<p>You will be redirected back in 5 seconds</b>";
res.add_header("Refresh", redirect.c_str());
return;
}
}
else
{
res.code = 400;
ShowError(s, "Unknown command: " + cmd);
return;
}
s << "<b>SUCCESS</b>:&nbsp;Command accepted<br><br>\r\n";
s << "<a href=\"" << webroot << "?page=commands\">Back to commands list</a><br>\r\n";
s << "<p>You will be redirected in 5 seconds</b>";
res.add_header("Refresh", redirect.c_str());
}
void HTTPConnection::SendReply (HTTPRes& reply, std::string& content)
{
reply.add_header("X-Frame-Options", "SAMEORIGIN");
reply.add_header("X-Content-Type-Options", "nosniff");
reply.add_header("X-XSS-Protection", "1; mode=block");
reply.add_header("Content-Type", "text/html");
reply.body = content;
m_SendBuffer = reply.to_string();
boost::asio::async_write (*m_Socket, boost::asio::buffer(m_SendBuffer),
std::bind (&HTTPConnection::Terminate, shared_from_this (), std::placeholders::_1));
}
HTTPServer::HTTPServer (const std::string& address, int port):
m_IsRunning (false), m_Thread (nullptr), m_Work (m_Service),
m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint (boost::asio::ip::address::from_string(address), port)),
m_Hostname(address)
{
}
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 == "") {
uint8_t random[16];
char alnum[] = "0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
pass.resize(sizeof(random));
RAND_bytes(random, sizeof(random));
for (size_t i = 0; i < sizeof(random); i++) {
pass[i] = alnum[random[i] % (sizeof(alnum) - 1)];
}
i2p::config::SetOption("http.pass", pass);
LogPrint(eLogInfo, "HTTPServer: password set to ", pass);
}
m_IsRunning = true;
m_Thread.reset (new std::thread (std::bind (&HTTPServer::Run, this)));
m_Acceptor.listen ();
Accept ();
}
void HTTPServer::Stop ()
{
m_IsRunning = false;
m_Acceptor.close();
m_Service.stop ();
if (m_Thread)
{
m_Thread->join ();
m_Thread = nullptr;
}
}
void HTTPServer::Run ()
{
i2p::util::SetThreadName("Webconsole");
while (m_IsRunning)
{
try
{
m_Service.run ();
}
catch (std::exception& ex)
{
LogPrint (eLogError, "HTTPServer: runtime exception: ", ex.what ());
}
}
}
void HTTPServer::Accept ()
{
auto newSocket = std::make_shared<boost::asio::ip::tcp::socket> (m_Service);
m_Acceptor.async_accept (*newSocket, std::bind (&HTTPServer::HandleAccept, this,
std::placeholders::_1, newSocket));
}
void HTTPServer::HandleAccept(const boost::system::error_code& ecode,
std::shared_ptr<boost::asio::ip::tcp::socket> newSocket)
{
if (ecode)
{
if(newSocket) newSocket->close();
LogPrint(eLogError, "HTTP Server: error handling accept ", ecode.message());
if(ecode != boost::asio::error::operation_aborted)
Accept();
return;
}
CreateConnection(newSocket);
Accept ();
}
void HTTPServer::CreateConnection(std::shared_ptr<boost::asio::ip::tcp::socket> newSocket)
{
auto conn = std::make_shared<HTTPConnection> (m_Hostname, newSocket);
conn->Receive ();
}
} // http
} // i2p
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