src/modules/m_cap.h

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
   6  *
   7  * This file is part of InspIRCd.  InspIRCd is free software: you can
   8  * redistribute it and/or modify it under the terms of the GNU General Public
   9  * License as published by the Free Software Foundation, version 2.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20
  21 #ifndef M_CAP_H
  22 #define M_CAP_H
  23
  24 class GenericCap;
  25
  26 class CapEvent : public Event
  27 {
  28  public:
  29         enum CapEventType
  30         {
  31                 CAPEVENT_REQ,
  32                 CAPEVENT_LS,
  33                 CAPEVENT_LIST,
  34                 CAPEVENT_CLEAR
  35         };
  36
  37         CapEventType type;
  38         std::vector<std::string> wanted;
  39         std::vector<std::string> ack;
  40         std::vector<std::pair<GenericCap*, int> > changed; // HACK: clean this up before 2.2
  41         User* user;
  42         CapEvent(Module* sender, User* u, CapEventType capevtype) : Event(sender, "cap_request"), type(capevtype), user(u) {}
  43 };
  44
  45 class GenericCap
  46 {
  47  public:
  48         LocalIntExt ext;
  49         const std::string cap;
  50         GenericCap(Module* parent, const std::string &Cap) : ext("cap_" + Cap, parent), cap(Cap)
  51         {
  52                 ServerInstance->Modules->AddService(ext);
  53         }
  54
  55         void HandleEvent(Event& ev)
  56         {
  57                 if (ev.id != "cap_request")
  58                         return;
  59
  60                 CapEvent *data = static_cast<CapEvent*>(&ev);
  61                 if (data->type == CapEvent::CAPEVENT_REQ)
  62                 {
  63                         for (std::vector<std::string>::iterator it = data->wanted.begin(); it != data->wanted.end(); ++it)
  64                         {
  65                                 if (it->empty())
  66                                         continue;
  67                                 bool enablecap = ((*it)[0] != '-');
  68                                 if (((enablecap) && (*it == cap)) || (*it == "-" + cap))
  69                                 {
  70                                         // we can handle this, so ACK it, and remove it from the wanted list
  71                                         data->ack.push_back(*it);
  72                                         data->wanted.erase(it);
  73                                         data->changed.push_back(std::make_pair(this, ext.set(data->user, enablecap ? 1 : 0)));
  74                                         break;
  75                                 }
  76                         }
  77                 }
  78                 else if (data->type == CapEvent::CAPEVENT_LS)
  79                 {
  80                         data->wanted.push_back(cap);
  81                 }
  82                 else if (data->type == CapEvent::CAPEVENT_LIST)
  83                 {
  84                         if (ext.get(data->user))
  85                                 data->wanted.push_back(cap);
  86                 }
  87                 else if (data->type == CapEvent::CAPEVENT_CLEAR)
  88                 {
  89                         data->ack.push_back("-" + cap);
  90                         ext.set(data->user, 0);
  91                 }
  92         }
  93 };
  94
  95 #endif