/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2006-2008 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/>.
*/
/* $ModDesc: Provides support for ircu-style services accounts, including chmode +R, etc. */
#include "inspircd.h"
#include "account.h"
/** Channel mode +r - mark a channel as identified
*/
class Channel_r : public ModeHandler
{
public:
Channel_r(Module* Creator) : ModeHandler(Creator, "c_registered", 'r', PARAM_NONE, MODETYPE_CHANNEL) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
// only a u-lined server may add or remove the +r mode.
if (!IS_LOCAL(source) || ServerInstance->ULine(source->nick.c_str()) || ServerInstance->ULine(source->server))
{
// Only change the mode if it's not redundant
if ((adding && !channel->IsModeSet('r')) || (!adding && channel->IsModeSet('r')))
{
channel->SetMode('r',adding);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
else
{
source->WriteNumeric(500, "%s :Only a server may modify the +r channel mode", source->nick.c_str());
return MODEACTION_DENY;
}
}
};
/** User mode +r - mark a user as identified
*/
class User_r : public ModeHandler
{
public:
User_r(Module* Creator) : ModeHandler(Creator, "u_registered", 'r', PARAM_NONE, MODETYPE_USER) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (!IS_LOCAL(source) || ServerInstance->ULine(source->nick.c_str()) || ServerInstance->ULine(source->server))
{
if ((adding && !dest->IsModeSet('r')) || (!adding && dest->IsModeSet('r')))
{
dest->SetMode('r',adding);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
else
{
source->WriteNumeric(500, "%s :Only a server may modify the +r user mode", source->nick.c_str());
return MODEACTION_DENY;
}
}
};
/** Channel mode +R - unidentified users cannot join
*/
class AChannel_R : public SimpleChannelModeHandler
{
public:
AChannel_R(Module* Creator) : SimpleChannelModeHandler(Creator, "reginvite", 'R') { }
};
/** User mode +R - unidentified users cannot message
*/
class AUser_R : public SimpleUserModeHandler
{
public:
AUser_R(Module* Creator) : SimpleUserModeHandler(Creator, "regdeaf", 'R') { }
};
/** Channel mode +M - unidentified users cannot message channel
*/
class AChannel_M : public SimpleChannelModeHandler
{
public:
AChannel_M(Module* Creator) : SimpleChannelModeHandler(Creator, "regmoderated", 'M') { }
};
class ModuleServicesAccount : public Module
{
AChannel_R m1;
AChannel_M m2;
AUser_R m3;
Channel_r m4;
User_r m5;
AccountExtItem accountname;
public:
ModuleServicesAccount() : m1(this), m2(this), m3(this), m4(this), m5(this),
accountname("accountname", this)
{
}
void init()
{
ServerInstance->Modules->AddService(m1);
ServerInstance->Modules->AddService(m2);
ServerInstance->Modules->AddService(m3);
ServerInstance->Modules->AddService(m4);
ServerInstance->Modules->AddService(m5);
ServerInstance->Modules->AddService(accountname);
Implementation eventlist[] = { I_OnWhois, I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserPreJoin, I_OnCheckBan,
I_OnDecodeMetaData, I_On005Numeric, I_OnUserPostNick, I_OnSetConnectClass };
ServerInstance->Modules->Attach(eventlist, this, 9);
}
void On005Numeric(std::string &t)
{
ServerInstance->AddExtBanChar('R');
}
/* <- :twisted.oscnet.org 330 w00t2 w00t2 w00t :is logged in as */
void OnWhois(User* source, User* dest)
{
std::string *account = accountname.get(dest);
if (account)
{
ServerInstance->SendWhoisLine(source, dest, 330, "%s %s %s :is logged in as", source->nick.c_str(), dest->nick.c_str(), account->c_str());
}
if (dest->IsModeSet('r'))
{
/* user is registered */
ServerInstance->SendWhoisLine(source, dest, 307, "%s %s :is a registered nick", source->nick.c_str(), dest->nick.c_str());
}
}
void OnUserPostNick(User* user, const std::string &oldnick)
{
/* On nickchange, if they have +r, remove it */
if (user->IsModeSet('r') && assign(user->nick) != oldnick)
{
std::vector<std::string> modechange;
modechange.push_back(user->nick);
modechange.push_back("-r");
ServerInstance->SendMode(modechange, ServerInstance->FakeClient);
}
}
ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
std::string *account = accountname.get(user);
bool is_registered = account && !account->empty();
if ((ServerInstance->ULine(user->nick.c_str())) || (ServerInstance->ULine(user->server)))
{
// user is ulined, can speak regardless
return MOD_RES_PASSTHRU;
}
if (target_type == TYPE_CHANNEL)
{
Channel* c = (Channel*)dest;
ModResult res = ServerInstance->OnCheckExemption(user,c,"regmoderated");
if (c->IsModeSet('M') && !is_registered && res != MOD_RES_ALLOW)
{
// user messaging a +M channel and is not registered
user->WriteNumeric(477, ""+std::string(user->nick)+" "+std::string(c->name)+" :You need to be identified to a registered account to message this channel");
return MOD_RES_DENY;
}
}
else if (target_type == TYPE_USER)
{
User* u = (User*)dest;
if (u->IsModeSet('R') && !is_registered)
{
// user messaging a +R user and is not registered
user->WriteNumeric(477, ""+ user->nick +" "+ u->nick +" :You need to be identified to a registered account to message this user");
return MOD_RES_DENY;
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnCheckBan(User* user, Channel* chan, const std::string& mask)
{
if (mask[0] == 'R' && mask[1] == ':')
{
std::string *account = accountname.get(user);
if (account && InspIRCd::Match(*account, mask.substr(2)))
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreMessage(user, dest, target_type, text, status, exempt_list);
}
ModResult OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
{
if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
std::string *account = accountname.get(user);
bool is_registered = account && !account->empty();
if (chan)
{
if ((ServerInstance->ULine(user->nick.c_str())) || (ServerInstance->ULine(user->server)))
{
// user is ulined, won't be stopped from joining
return MOD_RES_PASSTHRU;
}
if (chan->IsModeSet('R'))
{
if (!is_registered)
{
// joining a +R channel and not identified
user->WriteNumeric(477, user->nick + " " + chan->name + " :You need to be identified to a registered account to join this channel");
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
// 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.
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 (dest && (extname == "accountname"))
{
std::string *account = accountname.get(dest);
if (account && !account->empty())
{
trim(*account);
if (IS_LOCAL(dest))
dest->WriteNumeric(900, "%s %s %s :You are now logged in as %s",
dest->nick.c_str(), dest->GetFullHost().c_str(), account->c_str(), account->c_str());
AccountEvent(this, dest, *account).Send();
}
else
{
AccountEvent(this, dest, "").Send();
}
}
}
ModResult OnSetConnectClass(LocalUser* user, ConnectClass* myclass)
{
if (myclass->config->getBool("requireaccount") && !accountname.get(user))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;
}
Version GetVersion()
{
return Version("Provides support for ircu-style services accounts, including chmode +R, etc.",VF_OPTCOMMON|VF_VENDOR);
}
};
MODULE_INIT(ModuleServicesAccount)