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i2pd/daemon/HTTPServer.cpp
orignal e190dab7d6 fixed crash when shows leasesets
2023-02-17 21:13:50 -05:00

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/*
* Copyright (c) 2013-2023, 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"
#include "I18N.h"
#ifdef WIN32_APP
#include "Win32App.h"
#endif
// For image, style and info
#include "version.h"
#include "HTTPServerResources.h"
namespace i2p {
namespace http {
static void LoadExtCSS ()
{
std::stringstream s;
std::string styleFile = i2p::fs::DataDirPath ("webconsole/style.css");
if (i2p::fs::Exists(styleFile)) {
std::ifstream f(styleFile, std::ifstream::binary);
s << f.rdbuf();
externalCSS = s.str();
} else if (externalCSS.length() != 0) { // clean up external style if file was removed
externalCSS = "";
}
}
static void GetStyles (std::stringstream& s)
{
if (externalCSS.length() != 0)
s << "<style>\r\n" << externalCSS << "</style>\r\n";
else
s << internalCSS;
}
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_TUNNELS_CONFIG[] = "reload_tunnels_config";
const char HTTP_COMMAND_LOGLEVEL[] = "set_loglevel";
const char HTTP_COMMAND_KILLSTREAM[] = "closestream";
const char HTTP_COMMAND_LIMITTRANSIT[] = "limittransit";
const char HTTP_COMMAND_GET_REG_STRING[] = "get_reg_string";
const char HTTP_COMMAND_SETLANGUAGE[] = "setlanguage";
const char HTTP_COMMAND_RELOAD_CSS[] = "reload_css";
static 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;
}
static void ShowUptime (std::stringstream& s, int seconds)
{
int num;
if ((num = seconds / 86400) > 0) {
s << ntr("%d day", "%d days", num, num) << ", ";
seconds -= num * 86400;
}
if ((num = seconds / 3600) > 0) {
s << ntr("%d hour", "%d hours", num, num) << ", ";
seconds -= num * 3600;
}
if ((num = seconds / 60) > 0) {
s << ntr("%d minute", "%d minutes", num, num) << ", ";
seconds -= num * 60;
}
s << ntr("%d second", "%d seconds", 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 << tr(/* tr: Kibibyte */ "%.2f KiB", numKBytes);
else if (numKBytes < 1024 * 1024)
s << tr(/* tr: Mebibyte */ "%.2f MiB", numKBytes / 1024);
else
s << tr(/* tr: Gibibyte */ "%.2f GiB", numKBytes / 1024 / 1024);
}
static void ShowTunnelDetails (std::stringstream& s, enum i2p::tunnel::TunnelState eState, bool explr, int bytes)
{
std::string state, stateText;
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;
}
if (state == "building") stateText = tr("building");
else if (state == "failed") stateText = tr("failed");
else if (state == "expiring") stateText = tr("expiring");
else if (state == "established") stateText = tr("established");
else stateText = tr("unknown");
s << "<span class=\"tunnel " << state << "\"> " << stateText << ((explr) ? " (" + tr("exploratory") + ")" : "") << "</span>, ";
ShowTraffic(s, bytes);
s << "\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);
// Page language
std::string currLang = i2p::client::context.GetLanguage ()->GetLanguage(); // get current used language
auto it = i2p::i18n::languages.find(currLang);
std::string langCode = it->second.ShortCode;
s <<
"<!DOCTYPE html>\r\n"
"<html lang=\"" << langCode << "\">\r\n"
" <head>\r\n" /* TODO: Find something to parse html/template system. This is horrible. */
" <meta charset=\"UTF-8\">\r\n"
" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n"
" <link rel=\"shortcut icon\" href=\"" << itoopieFavicon << "\">\r\n"
" <title>" << tr(/* tr: Webconsole page title */ "Purple I2P Webconsole") << "</title>\r\n";
GetStyles(s);
s <<
"</head>\r\n"
"<body>\r\n"
"<div class=\"header\">" << tr("<b>i2pd</b> webconsole") << "</div>\r\n"
"<div class=\"wrapper\">\r\n"
"<div class=\"menu\">\r\n"
" <a href=\"" << webroot << "\">" << tr("Main page") << "</a><br><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_COMMANDS << "\">" << tr("Router commands") << "</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATIONS << "\">" << tr("Local Destinations") << "</a><br>\r\n";
if (i2p::context.IsFloodfill ())
s << " <a href=\"" << webroot << "?page=" << HTTP_PAGE_LEASESETS << "\">" << tr("LeaseSets") << "</a><br>\r\n";
s <<
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TUNNELS << "\">" << tr("Tunnels") << "</a><br>\r\n";
if (i2p::context.AcceptsTunnels () || i2p::tunnel::tunnels.CountTransitTunnels())
s << " <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSIT_TUNNELS << "\">" << tr("Transit Tunnels") << "</a><br>\r\n";
s <<
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_TRANSPORTS << "\">" << tr("Transports") << "</a><br>\r\n"
" <a href=\"" << webroot << "?page=" << HTTP_PAGE_I2P_TUNNELS << "\">" << tr("I2P tunnels") << "</a><br>\r\n";
if (i2p::client::context.GetSAMBridge ())
s << " <a href=\"" << webroot << "?page=" << HTTP_PAGE_SAM_SESSIONS << "\">" << tr("SAM sessions") << "</a><br>\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>" << tr("ERROR") << ":</b>&nbsp;" << string << "<br>\r\n";
}
static void ShowNetworkStatus (std::stringstream& s, RouterStatus status, RouterError error)
{
switch (status)
{
case eRouterStatusOK: s << tr("OK"); break;
case eRouterStatusTesting: s << tr("Testing"); break;
case eRouterStatusFirewalled: s << tr("Firewalled"); break;
case eRouterStatusUnknown: s << tr("Unknown"); break;
case eRouterStatusProxy: s << tr("Proxy"); break;
case eRouterStatusMesh: s << tr("Mesh"); break;
default: s << tr("Unknown");
}
if (error != eRouterErrorNone)
{
switch (error)
{
case eRouterErrorClockSkew:
s << " - " << tr("Clock skew");
break;
case eRouterErrorOffline:
s << " - " << tr("Offline");
break;
case eRouterErrorSymmetricNAT:
s << " - " << tr("Symmetric NAT");
break;
case eRouterErrorFullConeNAT:
s << " - " << tr("Full cone NAT");
break;
case eRouterErrorNoDescriptors:
s << " - " << tr("No Descriptors");
break;
default: ;
}
}
}
void ShowStatus (std::stringstream& s, bool includeHiddenContent, i2p::http::OutputFormatEnum outputFormat)
{
s << "<b>" << tr("Uptime") << ":</b> ";
ShowUptime(s, i2p::context.GetUptime ());
s << "<br>\r\n";
s << "<b>" << tr("Network status") << ":</b> ";
ShowNetworkStatus (s, i2p::context.GetStatus (), i2p::context.GetError ());
s << "<br>\r\n";
if (i2p::context.SupportsV6 ())
{
s << "<b>" << tr("Network status v6") << ":</b> ";
ShowNetworkStatus (s, i2p::context.GetStatusV6 (), i2p::context.GetErrorV6 ());
s << "<br>\r\n";
}
#if ((!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID)) || defined(ANDROID_BINARY))
if (auto remains = Daemon.gracefulShutdownInterval) {
s << "<b>" << tr("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>" << tr("Stopping in") << ":</b> ";
ShowUptime(s, remains);
s << "<br>\r\n";
}
#endif
auto family = i2p::context.GetFamily ();
if (family.length () > 0)
s << "<b>"<< tr("Family") << ":</b> " << family << "<br>\r\n";
s << "<b>" << tr("Tunnel creation success rate") << ":</b> " << i2p::tunnel::tunnels.GetTunnelCreationSuccessRate () << "%<br>\r\n";
bool isTotalTCSR;
i2p::config::GetOption("http.showTotalTCSR", isTotalTCSR);
if (isTotalTCSR) {
s << "<b>" << tr("Total tunnel creation success rate") << ":</b> " << i2p::tunnel::tunnels.GetTotalTunnelCreationSuccessRate() << "%<br/>\r\n";
}
s << "<b>" << tr("Received") << ":</b> ";
ShowTraffic (s, i2p::transport::transports.GetTotalReceivedBytes ());
s << " (" << tr(/* tr: Kibibyte/s */ "%.2f KiB/s", (double) i2p::transport::transports.GetInBandwidth15s () / 1024) << ")<br>\r\n";
s << "<b>" << tr("Sent") << ":</b> ";
ShowTraffic (s, i2p::transport::transports.GetTotalSentBytes ());
s << " (" << tr(/* tr: Kibibyte/s */ "%.2f KiB/s", (double) i2p::transport::transports.GetOutBandwidth15s () / 1024) << ")<br>\r\n";
s << "<b>" << tr("Transit") << ":</b> ";
ShowTraffic (s, i2p::transport::transports.GetTotalTransitTransmittedBytes ());
s << " (" << tr(/* tr: Kibibyte/s */ "%.2f KiB/s", (double) i2p::transport::transports.GetTransitBandwidth15s () / 1024) << ")<br>\r\n";
s << "<b>" << tr("Data path") << ":</b> " << i2p::fs::GetUTF8DataDir() << "<br>\r\n";
s << "<div class='slide'>";
if ((outputFormat == OutputFormatEnum::forWebConsole) || !includeHiddenContent) {
s << "<label for=\"slide-info\">" << tr("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>" << tr("Router Ident") << ":</b> " << i2p::context.GetRouterInfo().GetIdentHashBase64() << "<br>\r\n";
if (!i2p::context.GetRouterInfo().GetProperty("family").empty())
s << "<b>" << tr("Router Family") << ":</b> " << i2p::context.GetRouterInfo().GetProperty("family") << "<br>\r\n";
s << "<b>" << tr("Router Caps") << ":</b> " << i2p::context.GetRouterInfo().GetProperty("caps") << "<br>\r\n";
s << "<b>" << tr("Version") << ":</b> " VERSION "<br>\r\n";
s << "<b>"<< tr("Our external address") << ":</b>" << "<br>\r\n<table class=\"extaddr\"><tbody>\r\n";
auto addresses = i2p::context.GetRouterInfo().GetAddresses ();
if (addresses)
{
for (const auto& address : *addresses)
{
if (!address) continue;
s << "<tr>\r\n<td>";
switch (address->transportStyle)
{
case i2p::data::RouterInfo::eTransportNTCP2:
s << "NTCP2";
break;
case i2p::data::RouterInfo::eTransportSSU2:
s << "SSU2";
break;
default:
s << tr("Unknown");
}
bool v6 = address->IsV6 ();
if (v6)
{
if (address->IsV4 ()) s << "v4";
s << "v6";
}
s << "</td>\r\n";
if (address->published)
s << "<td>" << (v6 ? "[" : "") << address->host.to_string() << (v6 ? "]:" : ":") << address->port << "</td>\r\n";
else
{
s << "<td>" << tr(/* tr: Shown when router doesn't publish itself and have "Firewalled" state */ "supported");
if (address->port)
s << " :" << address->port;
s << "</td>\r\n";
}
s << "</tr>\r\n";
}
}
s << "</tbody></table>\r\n";
}
s << "</div>\r\n</div>\r\n";
if (outputFormat == OutputFormatEnum::forQtUi) {
s << "<br>";
}
s << "<b>" << tr("Routers") << ":</b> " << i2p::data::netdb.GetNumRouters () << " ";
s << "<b>" << tr("Floodfills") << ":</b> " << i2p::data::netdb.GetNumFloodfills () << " ";
s << "<b>" << tr("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>" << tr("Client Tunnels") << ":</b> " << std::to_string(clientTunnelCount) << " ";
s << "<b>" << tr("Transit Tunnels") << ":</b> " << std::to_string(transitTunnelCount) << "<br>\r\n<br>\r\n";
if (outputFormat==OutputFormatEnum::forWebConsole) {
bool httpproxy = i2p::client::context.GetHttpProxy () ? true : false;
bool socksproxy = i2p::client::context.GetSocksProxy () ? true : false;
bool bob = i2p::client::context.GetBOBCommandChannel () ? true : false;
bool sam = i2p::client::context.GetSAMBridge () ? true : false;
bool i2cp = i2p::client::context.GetI2CPServer () ? true : false;
bool i2pcontrol; i2p::config::GetOption("i2pcontrol.enabled", i2pcontrol);
s << "<table class=\"services\"><caption>" << tr("Services") << "</caption><tbody>\r\n";
s << "<tr><td>" << "HTTP " << tr("Proxy") << "</td><td class='" << (httpproxy ? "enabled" : "disabled") << "'>" << (httpproxy ? tr("Enabled") : tr("Disabled")) << "</td></tr>\r\n";
s << "<tr><td>" << "SOCKS " << tr("Proxy") << "</td><td class='" << (socksproxy ? "enabled" : "disabled") << "'>" << (socksproxy ? tr("Enabled") : tr("Disabled")) << "</td></tr>\r\n";
s << "<tr><td>" << "BOB" << "</td><td class='" << (bob ? "enabled" : "disabled") << "'>" << (bob ? tr("Enabled") : tr("Disabled")) << "</td></tr>\r\n";
s << "<tr><td>" << "SAM" << "</td><td class='" << (sam ? "enabled" : "disabled") << "'>" << (sam ? tr("Enabled") : tr("Disabled")) << "</td></tr>\r\n";
s << "<tr><td>" << "I2CP" << "</td><td class='" << (i2cp ? "enabled" : "disabled") << "'>" << (i2cp ? tr("Enabled") : tr("Disabled")) << "</td></tr>\r\n";
s << "<tr><td>" << "I2PControl" << "</td><td class='" << (i2pcontrol ? "enabled" : "disabled") << "'>" << (i2pcontrol ? tr("Enabled") : tr("Disabled")) << "</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>" << tr("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 "<< tr("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, uint32_t token)
{
s << "<b>Base64:</b><br>\r\n<textarea readonly cols=\"80\" rows=\"8\">";
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>" << tr("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->IsPublic() && token && !dest->IsEncryptedLeaseSet ())
{
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
auto base32 = dest->GetIdentHash ().ToBase32 ();
s << "<div class='slide'><label for='slide-regaddr'><b>" << tr("Address registration line") << "</b></label>\r\n<input type=\"checkbox\" id=\"slide-regaddr\" />\r\n<div class=\"slidecontent\">\r\n"
"<form method=\"get\" action=\"" << webroot << "\">\r\n"
" <input type=\"hidden\" name=\"cmd\" value=\"" << HTTP_COMMAND_GET_REG_STRING << "\">\r\n"
" <input type=\"hidden\" name=\"token\" value=\"" << token << "\">\r\n"
" <input type=\"hidden\" name=\"b32\" value=\"" << base32 << "\">\r\n"
" <b>" << tr("Domain") << ":</b>\r\n<input type=\"text\" maxlength=\"67\" name=\"name\" placeholder=\"domain.i2p\" required>\r\n"
" <button type=\"submit\">" << tr("Generate") << "</button>\r\n"
"</form>\r\n<small>" << tr("<b>Note:</b> result string can be used only for registering 2LD domains (example.i2p). For registering subdomains please use i2pd-tools.") << "</small>\r\n</div>\r\n</div>\r\n<br>\r\n";
}
if (dest->GetNumRemoteLeaseSets())
{
s << "<div class='slide'><label for='slide-lease'><b>" << tr("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>"<< tr("Address") << "</th><th>" << tr("Type") << "</th><th>" << tr("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>" << tr("LeaseSets") << ":</b> <i>0</i><br>\r\n<br>\r\n";
auto pool = dest->GetTunnelPool ();
if (pool)
{
s << "<b>" << tr("Inbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : pool->GetInboundTunnels ()) {
s << "<div class=\"listitem\">";
// for each tunnel hop if not zero-hop
if (it->GetNumHops ())
{
it->VisitTunnelHops(
[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
{
s << "&#8658; " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " ";
}
);
}
s << "&#8658; " << it->GetTunnelID () << ":me";
if (it->LatencyIsKnown())
s << " ( " << tr(/* tr: Milliseconds */ "%dms", it->GetMeanLatency()) << " )";
ShowTunnelDetails(s, it->GetState (), false, it->GetNumReceivedBytes ());
s << "</div>\r\n";
}
s << "<br>\r\n";
s << "<b>" << tr("Outbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : pool->GetOutboundTunnels ()) {
s << "<div class=\"listitem\">";
s << it->GetTunnelID () << ":me &#8658;";
// for each tunnel hop if not zero-hop
if (it->GetNumHops ())
{
it->VisitTunnelHops(
[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
{
s << " " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " &#8658;";
}
);
}
if (it->LatencyIsKnown())
s << " ( " << tr("%dms", it->GetMeanLatency()) << " )";
ShowTunnelDetails(s, it->GetState (), false, it->GetNumSentBytes ());
s << "</div>\r\n";
}
}
s << "<br>\r\n";
s << "<b>" << tr("Tags") << "</b><br>\r\n"
<< tr("Incoming") << ": <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'>" << tr("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>" << tr("Destination") << "</th><th>" << tr("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 << tr("Outgoing") << ": <i>0</i><br>\r\n";
s << "<br>\r\n";
auto numECIESx25519Tags = dest->GetNumIncomingECIESx25519Tags ();
if (numECIESx25519Tags > 0) {
s << "<b>ECIESx25519</b><br>\r\n" << tr("Incoming 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'>" << tr("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>" << tr("Destination") << "</th><th>" << tr("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 << tr("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>" << tr("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, token);
// Print table with streams information
s << "<table>\r\n<caption>"
<< tr("Streams")
<< "</caption>\r\n<thead>\r\n<tr>"
<< "<th style=\"width:25px;\">StreamID</th>"
<< "<th style=\"width:5px;\">&nbsp;</th>" // Stream closing button column
<< "<th class=\"streamdest\">Destination</th>"
<< "<th>Sent</th>"
<< "<th>Received</th>"
<< "<th>Out</th>"
<< "<th>In</th>"
<< "<th>Buf</th>"
<< "<th>RTT</th>"
<< "<th>Window</th>"
<< "<th>Status</th>"
<< "</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=\"" << tr("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 " << tr("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 (), 0);
else
ShowError(s, tr("I2CP session not found"));
}
else
ShowError(s, tr("I2CP is not enabled"));
}
void ShowLeasesSets(std::stringstream& s)
{
if (i2p::data::netdb.GetNumLeaseSets ())
{
s << "<b>" << tr("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));
ls->Update (leaseSet->GetBuffer(), leaseSet->GetBufferLen(), false);
}
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\">!! " << tr("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>" << tr("Store type") << ":</b> " << (int)storeType << "<br>\r\n";
s << "<b>" << tr("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>" << tr("Non Expired Leases") << ": " << leases.size() << "</b><br>\r\n";
for ( auto & l : leases )
{
s << "<b>" << tr("Gateway") << ":</b> " << l->tunnelGateway.ToBase64() << "<br>\r\n";
s << "<b>" << tr("TunnelID") << ":</b> " << l->tunnelID << "<br>\r\n";
s << "<b>" << tr("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>" << tr("LeaseSets") << ":</b> " << tr(/* Message on LeaseSets page */ "floodfill mode is disabled") << ".<br>\r\n";
}
else
{
s << "<b>" << tr("LeaseSets") << ":</b> 0<br>\r\n";
}
}
void ShowTunnels (std::stringstream& s)
{
s << "<b>" << tr("Tunnels") << ":</b><br>\r\n";
s << "<b>" << tr("Queue size") << ":</b> " << i2p::tunnel::tunnels.GetQueueSize () << "<br>\r\n<br>\r\n";
auto ExplPool = i2p::tunnel::tunnels.GetExploratoryPool ();
s << "<b>" << tr("Inbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : i2p::tunnel::tunnels.GetInboundTunnels ()) {
s << "<div class=\"listitem\">";
if (it->GetNumHops ())
{
it->VisitTunnelHops(
[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
{
s << "&#8658; " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " ";
}
);
}
s << "&#8658; " << it->GetTunnelID () << ":me";
if (it->LatencyIsKnown())
s << " ( " << tr("%dms", it->GetMeanLatency()) << " )";
ShowTunnelDetails(s, it->GetState (), (it->GetTunnelPool () == ExplPool), it->GetNumReceivedBytes ());
s << "</div>\r\n";
}
s << "</div>\r\n<br>\r\n";
s << "<b>" << tr("Outbound tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
for (auto & it : i2p::tunnel::tunnels.GetOutboundTunnels ()) {
s << "<div class=\"listitem\">";
s << it->GetTunnelID () << ":me &#8658;";
// for each tunnel hop if not zero-hop
if (it->GetNumHops ())
{
it->VisitTunnelHops(
[&s](std::shared_ptr<const i2p::data::IdentityEx> hopIdent)
{
s << " " << i2p::data::GetIdentHashAbbreviation (hopIdent->GetIdentHash ()) << " &#8658;";
}
);
}
if (it->LatencyIsKnown())
s << " ( " << tr("%dms", it->GetMeanLatency()) << " )";
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);
s << "<b>" << tr("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 << "\">" << tr("Run peer test") << "</a><br>\r\n";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_RELOAD_TUNNELS_CONFIG << "&token=" << token << "\">" << tr("Reload tunnels configuration") << "</a><br>\r\n";
if (i2p::context.AcceptsTunnels ())
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_DISABLE_TRANSIT << "&token=" << token << "\">" << tr("Decline transit tunnels") << "</a><br>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_ENABLE_TRANSIT << "&token=" << token << "\">" << tr("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 << "\">" << tr("Cancel graceful shutdown") << "</a><br>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">" << tr("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 << "\">" << tr("Cancel graceful shutdown") << "</a><br>\r\n";
else
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "&token=" << token << "\">" << tr("Start graceful shutdown") << "</a><br>\r\n";
#endif
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_SHUTDOWN_NOW << "&token=" << token << "\">" << tr("Force shutdown") << "</a><br><br>\r\n";
s << " <a href=\"" << webroot << "?cmd=" << HTTP_COMMAND_RELOAD_CSS << "&token=" << token << "\">" << tr("Reload external CSS styles") << "</a>\r\n";
s << "</div>";
s << "<br>\r\n<small>" << tr("<b>Note:</b> any action done here are not persistent and not changes your config files.") << "</small>\r\n<br>\r\n";
auto loglevel = i2p::log::Logger().GetLogLevel();
s << "<b>" << tr("Logging level") << "</b><br>\r\n";
s << " <a class=\"button" << (loglevel == eLogNone ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=none&token=" << token << "\"> none </a> \r\n";
s << " <a class=\"button" << (loglevel == eLogError ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=error&token=" << token << "\"> error </a> \r\n";
s << " <a class=\"button" << (loglevel == eLogWarning ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=warn&token=" << token << "\"> warn </a> \r\n";
s << " <a class=\"button" << (loglevel == eLogInfo ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=info&token=" << token << "\"> info </a> \r\n";
s << " <a class=\"button" << (loglevel == eLogDebug ? " selected" : "") << "\" href=\"" << webroot << "?cmd=" << HTTP_COMMAND_LOGLEVEL << "&level=debug&token=" << token << "\"> debug </a><br>\r\n<br>\r\n";
uint16_t maxTunnels = GetMaxNumTransitTunnels ();
s << "<b>" << tr("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=\"" << TRANSIT_TUNNELS_LIMIT <<"\" name=\"limit\" value=\"" << maxTunnels << "\">\r\n";
s << " <button type=\"submit\">" << tr("Change") << "</button>\r\n";
s << "</form>\r\n<br>\r\n";
// get current used language
std::string currLang = i2p::client::context.GetLanguage ()->GetLanguage();
s << "<b>"
<< tr("Change language")
<< "</b><br>\r\n"
<< "<form method=\"get\" action=\"" << webroot << "\">\r\n"
<< " <input type=\"hidden\" name=\"cmd\" value=\"" << HTTP_COMMAND_SETLANGUAGE << "\">\r\n"
<< " <input type=\"hidden\" name=\"token\" value=\"" << token << "\">\r\n"
<< " <select name=\"lang\" id=\"lang\">\r\n";
for (const auto& it: i2p::i18n::languages)
s << " <option value=\"" << it.first << "\"" << ((it.first.compare(currLang) == 0) ? " selected" : "") << ">" << it.second.LocaleName << "</option>\r\n";
s << " </select>\r\n"
<< " <button type=\"submit\">"
<< tr("Change")
<< "</button>\r\n"
<< "</form>\r\n<br>\r\n";
}
void ShowTransitTunnels (std::stringstream& s)
{
if (i2p::tunnel::tunnels.CountTransitTunnels())
{
s << "<b>" << tr("Transit Tunnels") << ":</b><br>\r\n";
s << "<table><thead><th>&#8658;</th><th>ID</th><th>&#8658;</th><th>" << tr("Amount") << "</th></thead><tbody class=\"tableitem\">";
for (const auto& it: i2p::tunnel::tunnels.GetTransitTunnels ())
{
if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelGateway>(it))
s << "<tr><td></td><td>" << it->GetTunnelID () << "</td><td>&#8658;</td><td>";
else if (std::dynamic_pointer_cast<i2p::tunnel::TransitTunnelEndpoint>(it))
s << "<tr><td>&#8658;</td><td>" << it->GetTunnelID () << "</td><td></td><td>";
else
s << "<tr><td>&#8658;</td><td>" << it->GetTunnelID () << "</td><td>&#8658;</td><td>";
ShowTraffic(s, it->GetNumTransmittedBytes ());
s << "</td></tr>\r\n";
}
s << "</tbody></table>\r\n";
}
else
{
s << "<b>" << tr("Transit Tunnels") << ":</b> " << tr(/* Message on transit tunnels page */ "no transit tunnels currently built") << ".<br>\r\n";
}
}
template<typename Sessions>
static void ShowTransportSessions (std::stringstream& s, const Sessions& sessions, const std::string name)
{
auto comp = [](typename Sessions::mapped_type a, typename Sessions::mapped_type b)
{ return a->GetRemoteEndpoint() < b->GetRemoteEndpoint(); };
std::set<typename Sessions::mapped_type, decltype(comp)> sortedSessions(comp);
for (const auto& it : sessions)
{
auto ret = sortedSessions.insert(it.second);
if (!ret.second)
LogPrint(eLogError, "HTTPServer: Duplicate remote endpoint detected: ", (*ret.first)->GetRemoteEndpoint());
}
std::stringstream tmp_s, tmp_s6; uint16_t cnt = 0, cnt6 = 0;
for (const auto& it: sortedSessions)
{
auto endpoint = it->GetRemoteEndpoint ();
if (it && it->IsEstablished () && endpoint.address ().is_v4 ())
{
tmp_s << "<div class=\"listitem\">\r\n";
if (it->IsOutgoing ()) tmp_s << " &#8658; ";
tmp_s << i2p::data::GetIdentHashAbbreviation (it->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< endpoint.address ().to_string () << ":" << endpoint.port ();
if (!it->IsOutgoing ()) tmp_s << " &#8658; ";
tmp_s << " [" << it->GetNumSentBytes () << ":" << it->GetNumReceivedBytes () << "]";
if (it->GetRelayTag ())
tmp_s << " [itag:" << it->GetRelayTag () << "]";
if (it->GetSendQueueSize () > 0)
tmp_s << " [queue:" << it->GetSendQueueSize () << "]";
tmp_s << "</div>\r\n" << std::endl;
cnt++;
}
if (it && it->IsEstablished () && endpoint.address ().is_v6 ())
{
tmp_s6 << "<div class=\"listitem\">\r\n";
if (it->IsOutgoing ()) tmp_s6 << " &#8658; ";
tmp_s6 << i2p::data::GetIdentHashAbbreviation (it->GetRemoteIdentity ()->GetIdentHash ()) << ": "
<< "[" << endpoint.address ().to_string () << "]:" << endpoint.port ();
if (!it->IsOutgoing ()) tmp_s6 << " &#8658; ";
tmp_s6 << " [" << it->GetNumSentBytes () << ":" << it->GetNumReceivedBytes () << "]";
if (it->GetRelayTag ())
tmp_s6 << " [itag:" << it->GetRelayTag () << "]";
if (it->GetSendQueueSize () > 0)
tmp_s6 << " [queue:" << it->GetSendQueueSize () << "]";
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>" << tr("Transports") << ":</b><br>\r\n";
auto ntcp2Server = i2p::transport::transports.GetNTCP2Server ();
if (ntcp2Server)
{
auto sessions = ntcp2Server->GetNTCP2Sessions ();
if (!sessions.empty ())
ShowTransportSessions (s, sessions, "NTCP2");
}
auto ssu2Server = i2p::transport::transports.GetSSU2Server ();
if (ssu2Server)
{
auto sessions = ssu2Server->GetSSU2Sessions ();
if (!sessions.empty ())
ShowTransportSessions (s, sessions, "SSU2");
}
}
void ShowSAMSessions (std::stringstream& s)
{
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
auto sam = i2p::client::context.GetSAMBridge ();
if (!sam)
{
ShowError(s, tr("SAM disabled"));
return;
}
if (sam->GetSessions ().size ())
{
s << "<b>" << tr("SAM sessions") << ":</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: sam->GetSessions ())
{
auto& name = it.second->GetLocalDestination ()->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>" << tr("SAM sessions") << ":</b> " << tr(/* Message on SAM sessions page */ "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, tr("SAM disabled"));
return;
}
auto session = sam->FindSession (id);
if (!session) {
ShowError(s, tr("SAM session not found"));
return;
}
std::string webroot; i2p::config::GetOption("http.webroot", webroot);
s << "<b>" << tr("SAM Session") << ":</b><br>\r\n<div class=\"list\">\r\n";
auto& ident = session->GetLocalDestination ()->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>" << tr("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>" << tr("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 " << tr("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 " << tr("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>" << tr("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>" << tr("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>" << tr("Server Forwards") << ":</b><br>\r\n<div class=\"list\">\r\n";
for (auto& it: serverForwards)
{
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";
}
}
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;
}
}
// HTML 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);
}
std::map<uint32_t, uint32_t> HTTPConnection::m_Tokens;
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, tr("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 = std::to_string(COMMAND_REDIRECT_TIMEOUT) + "; url=" + webroot + "?page=commands";
std::string token = params["token"];
if (token.empty () || m_Tokens.find (std::stoi (token)) == m_Tokens.end ())
{
ShowError(s, tr("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_TUNNELS_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>" << tr("SUCCESS") << "</b>:&nbsp;" << tr("Stream closed") << "<br>\r\n<br>\r\n";
else
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Stream not found or already was closed") << "<br>\r\n<br>\r\n";
}
else
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Destination not found") << "<br>\r\n<br>\r\n";
}
else
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("StreamID can't be null") << "<br>\r\n<br>\r\n";
s << "<a href=\"" << webroot << "?page=local_destination&b32=" << b32 << "\">" << tr("Return to destination page") << "</a><br>\r\n";
s << "<p>" << tr("You will be redirected in %d seconds", COMMAND_REDIRECT_TIMEOUT) << "</b>";
redirect = std::to_string(COMMAND_REDIRECT_TIMEOUT) + "; 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 <= TRANSIT_TUNNELS_LIMIT)
SetMaxNumTransitTunnels (limit);
else {
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Transit tunnels count must not exceed %d", TRANSIT_TUNNELS_LIMIT) << "\r\n<br>\r\n<br>\r\n";
s << "<a href=\"" << webroot << "?page=commands\">" << tr("Back to commands list") << "</a>\r\n<br>\r\n";
s << "<p>" << tr("You will be redirected in %d seconds", COMMAND_REDIRECT_TIMEOUT) << "</b>";
res.add_header("Refresh", redirect.c_str());
return;
}
}
else if (cmd == HTTP_COMMAND_GET_REG_STRING)
{
std::string b32 = params["b32"];
std::string name = i2p::http::UrlDecode(params["name"]);
i2p::data::IdentHash ident;
ident.FromBase32 (b32);
auto dest = i2p::client::context.FindLocalDestination (ident);
if (dest)
{
std::size_t pos;
pos = name.find (".i2p");
if (pos == (name.length () - 4))
{
pos = name.find (".b32.i2p");
if (pos == std::string::npos)
{
auto signatureLen = dest->GetIdentity ()->GetSignatureLen ();
uint8_t * signature = new uint8_t[signatureLen];
char * sig = new char[signatureLen*2];
std::stringstream out;
out << name << "=" << dest->GetIdentity ()->ToBase64 ();
dest->Sign ((uint8_t *)out.str ().c_str (), out.str ().length (), signature);
auto len = i2p::data::ByteStreamToBase64 (signature, signatureLen, sig, signatureLen*2);
sig[len] = 0;
out << "#!sig=" << sig;
s << "<b>" << tr("SUCCESS") << "</b>:<br>\r\n<form action=\"http://shx5vqsw7usdaunyzr2qmes2fq37oumybpudrd4jjj4e4vk4uusa.b32.i2p/add\" method=\"post\" rel=\"noreferrer\" target=\"_blank\">\r\n"
"<textarea readonly name=\"record\" cols=\"80\" rows=\"10\">" << out.str () << "</textarea>\r\n<br>\r\n<br>\r\n"
"<b>" << tr("Register at reg.i2p") << ":</b>\r\n<br>\r\n"
"<b>" << tr("Description") << ":</b>\r\n<input type=\"text\" maxlength=\"64\" name=\"desc\" placeholder=\"" << tr("A bit information about service on domain") << "\">\r\n"
"<input type=\"submit\" value=\"" << tr("Submit") << "\">\r\n"
"</form>\r\n<br>\r\n";
delete[] signature;
delete[] sig;
}
else
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Domain can't end with .b32.i2p") << "\r\n<br>\r\n<br>\r\n";
}
else
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Domain must end with .i2p") << "\r\n<br>\r\n<br>\r\n";
}
else
s << "<b>" << tr("ERROR") << "</b>:&nbsp;" << tr("Such destination is not found") << "\r\n<br>\r\n<br>\r\n";
s << "<a href=\"" << webroot << "?page=local_destination&b32=" << b32 << "\">" << tr("Return to destination page") << "</a>\r\n";
return;
}
else if (cmd == HTTP_COMMAND_SETLANGUAGE)
{
std::string lang = params["lang"];
std::string currLang = i2p::client::context.GetLanguage ()->GetLanguage();
if (currLang.compare(lang) != 0)
i2p::i18n::SetLanguage(lang);
}
else if (cmd == HTTP_COMMAND_RELOAD_CSS)
{
LoadExtCSS();
}
else
{
res.code = 400;
ShowError(s, tr("Unknown command") + ": " + cmd);
return;
}
s << "<b>" << tr("SUCCESS") << "</b>:&nbsp;" << tr("Command accepted") << "<br><br>\r\n";
s << "<a href=\"" << webroot << "?page=commands\">" << tr("Back to commands list") << "</a><br>\r\n";
s << "<p>" << tr("You will be redirected in %d seconds", COMMAND_REDIRECT_TIMEOUT) << "</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 ();
LoadExtCSS();
}
void HTTPServer::Stop ()
{
m_IsRunning = false;
boost::system::error_code ec;
m_Acceptor.cancel(ec);
if (ec)
LogPrint (eLogDebug, "HTTPServer: Error while cancelling operations on acceptor: ", ec.message ());
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)
CreateConnection(newSocket);
else
{
if (newSocket) newSocket->close();
LogPrint(eLogError, "HTTP Server: Error handling accept: ", ecode.message());
}
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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