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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
* Copyright (C) 2006-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include "modules/httpd.h"
#include "xline.h"
class ModuleHttpStats : public Module, public HTTPRequestEventListener
{
static const insp::flat_map<char, char const*>& entities;
HTTPdAPI API;
public:
ModuleHttpStats()
: HTTPRequestEventListener(this)
, API(this)
{
}
std::string Sanitize(const std::string &str)
{
std::string ret;
ret.reserve(str.length() * 2);
for (std::string::const_iterator x = str.begin(); x != str.end(); ++x)
{
insp::flat_map<char, char const*>::const_iterator it = entities.find(*x);
if (it != entities.end())
{
ret += '&';
ret += it->second;
ret += ';';
}
else if (*x == 0x09 || *x == 0x0A || *x == 0x0D || ((*x >= 0x20) && (*x <= 0x7e)))
{
// The XML specification defines the following characters as valid inside an XML document:
// Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
ret += *x;
}
else
{
// If we reached this point then the string contains characters which can
// not be represented in XML, even using a numeric escape. Therefore, we
// Base64 encode the entire string and wrap it in a CDATA.
ret.clear();
ret += "<![CDATA[";
ret += BinToBase64(str);
ret += "]]>";
break;
}
}
return ret;
}
void DumpMeta(std::stringstream& data, Extensible* ext)
{
data << "<metadata>";
for(Extensible::ExtensibleStore::const_iterator i = ext->GetExtList().begin(); i != ext->GetExtList().end(); i++)
{
ExtensionItem* item = i->first;
std::string value = item->serialize(FORMAT_USER, ext, i->second);
if (!value.empty())
data << "<meta name=\"" << item->name << "\">" << Sanitize(value) << "</meta>";
else if (!item->name.empty())
data << "<meta name=\"" << item->name << "\"/>";
}
data << "</metadata>";
}
ModResult HandleRequest(HTTPRequest* http)
{
std::stringstream data("");
{
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Handling httpd event");
if ((http->GetURI() == "/stats") || (http->GetURI() == "/stats/"))
{
data << "<inspircdstats><server><name>" << ServerInstance->Config->ServerName << "</name><gecos>"
<< Sanitize(ServerInstance->Config->ServerDesc) << "</gecos><version>"
<< Sanitize(ServerInstance->GetVersionString()) << "</version></server>";
data << "<general>";
data << "<usercount>" << ServerInstance->Users->GetUsers().size() << "</usercount>";
data << "<channelcount>" << ServerInstance->GetChans().size() << "</channelcount>";
data << "<opercount>" << ServerInstance->Users->all_opers.size() << "</opercount>";
data << "<socketcount>" << (SocketEngine::GetUsedFds()) << "</socketcount><socketmax>" << SocketEngine::GetMaxFds() << "</socketmax><socketengine>" INSPIRCD_SOCKETENGINE_NAME "</socketengine>";
data << "<uptime><boot_time_t>" << ServerInstance->startup_time << "</boot_time_t></uptime>";
data << "<isupport>";
const std::vector<Numeric::Numeric>& isupport = ServerInstance->ISupport.GetLines();
for (std::vector<Numeric::Numeric>::const_iterator i = isupport.begin(); i != isupport.end(); ++i)
{
const Numeric::Numeric& num = *i;
for (std::vector<std::string>::const_iterator j = num.GetParams().begin(); j != num.GetParams().end()-1; ++j)
data << "<token>" << Sanitize(*j) << "</token>" << std::endl;
}
data << "</isupport></general><xlines>";
std::vector<std::string> xltypes = ServerInstance->XLines->GetAllTypes();
for (std::vector<std::string>::iterator it = xltypes.begin(); it != xltypes.end(); ++it)
{
XLineLookup* lookup = ServerInstance->XLines->GetAll(*it);
if (!lookup)
continue;
for (LookupIter i = lookup->begin(); i != lookup->end(); ++i)
{
data << "<xline type=\"" << it->c_str() << "\"><mask>"
<< Sanitize(i->second->Displayable()) << "</mask><settime>"
<< i->second->set_time << "</settime><duration>" << i->second->duration
<< "</duration><reason>" << Sanitize(i->second->reason)
<< "</reason></xline>";
}
}
data << "</xlines><modulelist>";
const ModuleManager::ModuleMap& mods = ServerInstance->Modules->GetModules();
for (ModuleManager::ModuleMap::const_iterator i = mods.begin(); i != mods.end(); ++i)
{
Version v = i->second->GetVersion();
data << "<module><name>" << i->first << "</name><description>" << Sanitize(v.description) << "</description></module>";
}
data << "</modulelist><channellist>";
const chan_hash& chans = ServerInstance->GetChans();
for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i)
{
Channel* c = i->second;
data << "<channel>";
data << "<usercount>" << c->GetUsers().size() << "</usercount><channelname>" << Sanitize(c->name) << "</channelname>";
data << "<channeltopic>";
data << "<topictext>" << Sanitize(c->topic) << "</topictext>";
data << "<setby>" << Sanitize(c->setby) << "</setby>";
data << "<settime>" << c->topicset << "</settime>";
data << "</channeltopic>";
data << "<channelmodes>" << Sanitize(c->ChanModes(true)) << "</channelmodes>";
const Channel::MemberMap& ulist = c->GetUsers();
for (Channel::MemberMap::const_iterator x = ulist.begin(); x != ulist.end(); ++x)
{
Membership* memb = x->second;
data << "<channelmember><uid>" << memb->user->uuid << "</uid><privs>"
<< Sanitize(memb->GetAllPrefixChars()) << "</privs><modes>"
<< memb->modes << "</modes>";
DumpMeta(data, memb);
data << "</channelmember>";
}
DumpMeta(data, c);
data << "</channel>";
}
data << "</channellist><userlist>";
const user_hash& users = ServerInstance->Users->GetUsers();
for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i)
{
User* u = i->second;
data << "<user>";
data << "<nickname>" << u->nick << "</nickname><uuid>" << u->uuid << "</uuid><realhost>"
<< u->host << "</realhost><displayhost>" << u->dhost << "</displayhost><gecos>"
<< Sanitize(u->fullname) << "</gecos><server>" << u->server->GetName() << "</server>";
if (u->IsAway())
data << "<away>" << Sanitize(u->awaymsg) << "</away><awaytime>" << u->awaytime << "</awaytime>";
if (u->IsOper())
data << "<opertype>" << Sanitize(u->oper->name) << "</opertype>";
data << "<modes>" << u->FormatModes() << "</modes><ident>" << Sanitize(u->ident) << "</ident>";
LocalUser* lu = IS_LOCAL(u);
if (lu)
data << "<port>" << lu->GetServerPort() << "</port><servaddr>"
<< lu->server_sa.str() << "</servaddr>";
data << "<ipaddress>" << u->GetIPString() << "</ipaddress>";
DumpMeta(data, u);
data << "</user>";
}
data << "</userlist><serverlist>";
ProtocolInterface::ServerList sl;
ServerInstance->PI->GetServerList(sl);
for (ProtocolInterface::ServerList::const_iterator b = sl.begin(); b != sl.end(); ++b)
{
data << "<server>";
data << "<servername>" << b->servername << "</servername>";
data << "<parentname>" << b->parentname << "</parentname>";
data << "<gecos>" << b->gecos << "</gecos>";
data << "<usercount>" << b->usercount << "</usercount>";
// This is currently not implemented, so, commented out.
// data << "<opercount>" << b->opercount << "</opercount>";
data << "<lagmillisecs>" << b->latencyms << "</lagmillisecs>";
data << "</server>";
}
data << "</serverlist><commandlist>";
const CommandParser::CommandMap& commands = ServerInstance->Parser.GetCommands();
for (CommandParser::CommandMap::const_iterator i = commands.begin(); i != commands.end(); ++i)
{
data << "<command><name>" << i->second->name << "</name><usecount>" << i->second->use_count << "</usecount></command>";
}
data << "</commandlist></inspircdstats>";
/* Send the document back to m_httpd */
HTTPDocumentResponse response(this, *http, &data, 200);
response.headers.SetHeader("X-Powered-By", MODNAME);
response.headers.SetHeader("Content-Type", "text/xml");
API->SendResponse(response);
return MOD_RES_DENY; // Handled
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnHTTPRequest(HTTPRequest& req) CXX11_OVERRIDE
{
return HandleRequest(&req);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides statistics over HTTP via m_httpd.so", VF_VENDOR);
}
};
static const insp::flat_map<char, char const*>& init_entities()
{
static insp::flat_map<char, char const*> entities;
entities['<'] = "lt";
entities['>'] = "gt";
entities['&'] = "amp";
entities['"'] = "quot";
return entities;
}
const insp::flat_map<char, char const*>& ModuleHttpStats::entities = init_entities();
MODULE_INIT(ModuleHttpStats)
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