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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2005-2009 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2004-2006, 2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2004-2005 Craig McLure <craig@chatspike.net>
*
* 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/whois.h"
enum
{
// From UnrealIRCd.
RPL_WHOISHELPOP = 310,
// From ircd-ratbox.
ERR_HELPNOTFOUND = 524,
RPL_HELPSTART = 704,
RPL_HELPTXT = 705,
RPL_ENDOFHELP = 706
};
typedef std::map<std::string, std::string, irc::insensitive_swo> HelpopMap;
static HelpopMap helpop_map;
/** Handles /HELPOP
*/
class CommandHelpop : public Command
{
private:
const std::string startkey;
public:
std::string nohelp;
CommandHelpop(Module* Creator)
: Command(Creator, "HELPOP", 0)
, startkey("start")
{
syntax = "<any-text>";
}
CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
const std::string& parameter = (!parameters.empty() ? parameters[0] : startkey);
if (parameter == "index")
{
/* iterate over all helpop items */
user->WriteNumeric(RPL_HELPSTART, parameter, "HELPOP topic index");
for (HelpopMap::const_iterator iter = helpop_map.begin(); iter != helpop_map.end(); iter++)
user->WriteNumeric(RPL_HELPTXT, parameter, InspIRCd::Format(" %s", iter->first.c_str()));
user->WriteNumeric(RPL_ENDOFHELP, parameter, "*** End of HELPOP topic index");
}
else
{
HelpopMap::const_iterator iter = helpop_map.find(parameter);
if (iter == helpop_map.end())
{
user->WriteNumeric(ERR_HELPNOTFOUND, parameter, nohelp);
return CMD_FAILURE;
}
const std::string& value = iter->second;
irc::sepstream stream(value, '\n', true);
std::string token = "*";
user->WriteNumeric(RPL_HELPSTART, parameter, InspIRCd::Format("*** HELPOP for %s", parameter.c_str()));
while (stream.GetToken(token))
{
// Writing a blank line will not work with some clients
if (token.empty())
user->WriteNumeric(RPL_HELPTXT, parameter, ' ');
else
user->WriteNumeric(RPL_HELPTXT, parameter, token);
}
user->WriteNumeric(RPL_ENDOFHELP, parameter, "*** End of HELPOP");
}
return CMD_SUCCESS;
}
};
class ModuleHelpop
: public Module
, public Whois::EventListener
{
private:
CommandHelpop cmd;
SimpleUserModeHandler ho;
public:
ModuleHelpop()
: Whois::EventListener(this)
, cmd(this)
, ho(this, "helpop", 'h', true)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
HelpopMap help;
ConfigTagList tags = ServerInstance->Config->ConfTags("helpop");
for(ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
std::string key = tag->getString("key");
std::string value;
tag->readString("value", value, true); /* Linefeeds allowed */
if (key == "index")
{
throw ModuleException("m_helpop: The key 'index' is reserved for internal purposes. Please remove it.");
}
help[key] = value;
}
if (help.find("start") == help.end())
{
// error!
throw ModuleException("m_helpop: Helpop file is missing important entry 'start'. Please check the example conf.");
}
helpop_map.swap(help);
ConfigTag* tag = ServerInstance->Config->ConfValue("helpmsg");
cmd.nohelp = tag->getString("nohelp", "There is no help for the topic you searched for. Please try again.", 1);
}
void OnWhois(Whois::Context& whois) CXX11_OVERRIDE
{
if (whois.GetTarget()->IsModeSet(ho))
{
whois.SendLine(RPL_WHOISHELPOP, "is available for help.");
}
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides the HELPOP command for useful information", VF_VENDOR);
}
};
MODULE_INIT(ModuleHelpop)
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