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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
/* $ModDesc: Provides the SWHOIS command which allows setting of arbitary WHOIS lines */
/** Handle /SWHOIS
*/
class CommandSwhois : public Command
{
public:
CommandSwhois (InspIRCd* Instance, Module* Creator) : Command(Instance, Creator,"SWHOIS","o",2, 2)
{
syntax = "<nick> :<swhois>";
TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
}
CmdResult Handle(const std::vector<std::string> ¶meters, User* user)
{
User* dest = ServerInstance->FindNick(parameters[0]);
if (!dest)
{
user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel", user->nick.c_str(), parameters[0].c_str());
return CMD_FAILURE;
}
std::string* text;
if (dest->GetExt("swhois", text))
{
// We already had it set...
if (!ServerInstance->ULine(user->server))
// Ulines set SWHOISes silently
ServerInstance->SNO->WriteGlobalSno('a', "%s used SWHOIS to set %s's extra whois from '%s' to '%s'", user->nick.c_str(), dest->nick.c_str(), text->c_str(), parameters[1].c_str());
dest->Shrink("swhois");
delete text;
}
else if (!ServerInstance->ULine(user->server))
{
// Ulines set SWHOISes silently
ServerInstance->SNO->WriteGlobalSno('a', "%s used SWHOIS to set %s's extra whois to '%s'", user->nick.c_str(), dest->nick.c_str(), parameters[1].c_str());
}
text = new std::string(parameters[1]);
dest->Extend("swhois", text);
/* Bug #376 - feature request -
* To cut down on the amount of commands services etc have to recognise, this only sends METADATA across the network now
* not an actual SWHOIS command. Any SWHOIS command sent from services will be automatically translated to METADATA by this.
* Sorry w00t i know this was your fix, but i got bored and wanted to clear down the tracker :)
* -- Brain
*/
ServerInstance->PI->SendMetaData(dest, "swhois", *text);
// If it's an empty swhois, unset it (not ideal, but ok)
if (text->empty())
{
dest->Shrink("swhois");
delete text;
}
return CMD_LOCALONLY;
}
};
class ModuleSWhois : public Module
{
CommandSwhois cmd;
ConfigReader* Conf;
public:
ModuleSWhois(InspIRCd* Me) : Module(Me), cmd(Me, this)
{
Conf = new ConfigReader(ServerInstance);
ServerInstance->AddCommand(&cmd);
Implementation eventlist[] = { I_OnDecodeMetaData, I_OnWhoisLine, I_OnSyncUser, I_OnUserQuit, I_OnCleanup, I_OnRehash, I_OnPostCommand };
ServerInstance->Modules->Attach(eventlist, this, 7);
}
void OnRehash(User* user)
{
delete Conf;
Conf = new ConfigReader(ServerInstance);
}
// :kenny.chatspike.net 320 Brain Azhrarn :is getting paid to play games.
ModResult OnWhoisLine(User* user, User* dest, int &numeric, std::string &text)
{
/* We use this and not OnWhois because this triggers for remote, too */
if (numeric == 312)
{
/* Insert our numeric before 312 */
std::string* swhois;
if (dest->GetExt("swhois", swhois))
{
ServerInstance->SendWhoisLine(user, dest, 320, "%s %s :%s",user->nick.c_str(), dest->nick.c_str(), swhois->c_str());
}
}
/* Dont block anything */
return MOD_RES_PASSTHRU;
}
// Whenever the linking module wants to send out data, but doesnt know what the data
// represents (e.g. it is metadata, added to a User or Channel by a module) then
// this method is called. We should use the ProtoSendMetaData function after we've
// corrected decided how the data should look, to send the metadata on its way if
// it is ours.
virtual void OnSyncUser(User* user, Module* proto, void* opaque)
{
// check if this user has an swhois field to send
std::string* swhois;
if (user->GetExt("swhois", swhois))
proto->ProtoSendMetaData(opaque,user,"swhois",*swhois);
}
// when a user quits, tidy up their metadata
virtual void OnUserQuit(User* user, const std::string &message, const std::string &oper_message)
{
std::string* swhois;
if (user->GetExt("swhois", swhois))
{
user->Shrink("swhois");
delete swhois;
}
}
// if the module is unloaded, tidy up all our dangling metadata
virtual void OnCleanup(int target_type, void* item)
{
if (target_type != TYPE_USER) return;
User* user = static_cast<User*>(item);
std::string* swhois;
if (user && user->GetExt("swhois", swhois))
{
user->Shrink("swhois");
delete swhois;
}
}
// Whenever the linking module receives metadata from another server and doesnt know what
// to do with it (of course, hence the 'meta') it calls this method, and it is up to each
// module in turn to figure out if this metadata key belongs to them, and what they want
// to do with it.
// In our case we're only sending a single string around, so we just construct a std::string.
// Some modules will probably get much more complex and format more detailed structs and classes
// in a textual way for sending over the link.
virtual void OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata)
{
User* dest = dynamic_cast<User*>(target);
// check if its our metadata key, and its associated with a user
if (extname != "swhois" || !dest)
return;
// if they already have an swhois field, trash it and replace it with the remote one.
std::string* text;
if (dest->GetExt("swhois", text))
{
dest->Shrink("swhois");
delete text;
}
if (extdata.empty())
return;
text = new std::string(extdata);
dest->Extend("swhois", text);
}
virtual void OnPostCommand(const std::string &command, const std::vector<std::string> ¶ms, User *user, CmdResult result, const std::string &original_line)
{
if ((command != "OPER") || (result != CMD_SUCCESS))
return;
std::string swhois;
for (int i = 0; i < Conf->Enumerate("oper"); i++)
{
std::string name = Conf->ReadValue("oper", "name", i);
if (name == params[0])
{
swhois = Conf->ReadValue("oper", "swhois", i);
break;
}
}
if (!swhois.length())
{
for (int i = 0; i < Conf->Enumerate("type"); i++)
{
std::string type = Conf->ReadValue("type", "name", i);
if (type == user->oper)
{
swhois = Conf->ReadValue("type", "swhois", i);
break;
}
}
}
std::string *old;
if (user->GetExt("swhois", old))
{
user->Shrink("swhois");
delete old;
}
if (!swhois.length())
return;
std::string *text = new std::string(swhois);
user->Extend("swhois", text);
ServerInstance->PI->SendMetaData(user, "swhois", *text);
}
virtual ~ModuleSWhois()
{
delete Conf;
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
};
MODULE_INIT(ModuleSWhois)
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