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/*
* Anope IRC Services
*
* Copyright (C) 2003-2017 Anope Team <team@anope.org>
*
* This file is part of Anope. Anope 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 see <http://www.gnu.org/licenses/>.
*/
#include "module.h"
class NSMaxEmail : public Module
, public EventHook<Event::PreCommand>
{
bool clean = false;
/* strip dots from username, and remove anything after the first + */
Anope::string CleanMail(const Anope::string &email)
{
size_t host = email.find('@');
if (host == Anope::string::npos)
return email;
Anope::string username = email.substr(0, host);
username = username.replace_all_cs(".", "");
size_t sz = username.find('+');
if (sz != Anope::string::npos)
username = username.substr(0, sz);
Anope::string cleaned = username + email.substr(host);
logger.Debug("cleaned {0} to {1}", email, cleaned);
return cleaned;
}
bool CheckLimitReached(CommandSource &source, const Anope::string &email)
{
int NSEmailMax = Config->GetModule(this)->Get<int>("maxemails");
if (NSEmailMax < 1 || email.empty())
return false;
if (this->CountEmail(email, source.nc) < NSEmailMax)
return false;
if (NSEmailMax == 1)
source.Reply(_("The email address \002{0}\002 has reached its usage limit of \0021\002 user."), email);
else
source.Reply(_("The email address \002{0}\002 has reached its usage limit of \002{1}\002 users."), email, NSEmailMax);
return true;
}
int CountEmail(const Anope::string &email, NickServ::Account *unc)
{
int count = 0;
if (email.empty())
return 0;
Anope::string cleanemail = clean ? CleanMail(email) : email;
for (NickServ::Account *nc : NickServ::service->GetAccountList())
{
Anope::string cleannc = clean ? CleanMail(nc->GetEmail()) : nc->GetEmail();
if (unc != nc && cleanemail.equals_ci(cleannc))
++count;
}
return count;
}
public:
NSMaxEmail(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR)
, EventHook<Event::PreCommand>(this)
{
}
void OnReload(Configuration::Conf *conf) override
{
clean = conf->GetModule(this)->Get<bool>("remove_aliases", "true");
}
EventReturn OnPreCommand(CommandSource &source, Command *command, std::vector<Anope::string> ¶ms) override
{
if (source.IsOper())
return EVENT_CONTINUE;
if (command->GetName() == "nickserv/register")
{
if (this->CheckLimitReached(source, params.size() > 1 ? params[1] : ""))
return EVENT_STOP;
}
else if (command->GetName() == "nickserv/set/email")
{
if (this->CheckLimitReached(source, params.size() > 0 ? params[0] : ""))
return EVENT_STOP;
}
else if (command->GetName() == "nickserv/ungroup" && source.GetAccount())
{
if (this->CheckLimitReached(source, source.GetAccount()->GetEmail()))
return EVENT_STOP;
}
return EVENT_CONTINUE;
}
};
MODULE_INIT(NSMaxEmail)
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