src/commands/cmd_notice.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
   6  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
   7  *
   8  * This file is part of InspIRCd.  InspIRCd is free software: you can
   9  * redistribute it and/or modify it under the terms of the GNU General Public
  10  * License as published by the Free Software Foundation, version 2.
  11  *
  12  * This program is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  15  * details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21
  22 #include "inspircd.h"
  23 /** Handle /NOTICE. These command handlers can be reloaded by the core,
  24  * and handle basic RFC1459 commands. Commands within modules work
  25  * the same way, however, they can be fully unloaded, where these
  26  * may not.
  27  */
  28 class CommandNotice : public Command
  29 {
  30  public:
  31         /** Constructor for notice.
  32          */
  33         CommandNotice ( Module* parent) : Command(parent,"NOTICE",2,2) { syntax = "<target>{,<target>} <message>"; }
  34         /** Handle command.
  35          * @param parameters The parameters to the comamnd
  36          * @param pcnt The number of parameters passed to teh command
  37          * @param user The user issuing the command
  38          * @return A value from CmdResult to indicate command success or failure.
  39          */
  40         CmdResult Handle(const std::vector<std::string>& parameters, User *user);
  41
  42         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
  43         {
  44                 if (IS_LOCAL(user))
  45                         // This is handled by the OnUserNotice hook to split the LoopCall pieces
  46                         return ROUTE_LOCALONLY;
  47                 else
  48                         return ROUTE_MESSAGE(parameters[0]);
  49         }
  50 };
  51
  52
  53 CmdResult CommandNotice::Handle (const std::vector<std::string>& parameters, User *user)
  54 {
  55         User *dest;
  56         Channel *chan;
  57
  58         CUList exempt_list;
  59
  60         LocalUser* localuser = IS_LOCAL(user);
  61         if (localuser)
  62                 localuser->idle_lastmsg = ServerInstance->Time();
  63
  64         if (ServerInstance->Parser->LoopCall(user, this, parameters, 0))
  65                 return CMD_SUCCESS;
  66         if (parameters[0][0] == '$')
  67         {
  68                 if (!user->HasPrivPermission("users/mass-message"))
  69                         return CMD_SUCCESS;
  70
  71                 ModResult MOD_RESULT;
  72                 std::string temp = parameters[1];
  73                 FIRST_MOD_RESULT(OnUserPreNotice, MOD_RESULT, (user, (void*)parameters[0].c_str(), TYPE_SERVER, temp, 0, exempt_list));
  74                 if (MOD_RESULT == MOD_RES_DENY)
  75                         return CMD_FAILURE;
  76                 const char* text = temp.c_str();
  77                 const char* servermask = (parameters[0].c_str()) + 1;
  78
  79                 FOREACH_MOD(I_OnText,OnText(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, exempt_list));
  80                 if (InspIRCd::Match(ServerInstance->Config->ServerName,servermask, NULL))
  81                 {
  82                         user->SendAll("NOTICE", "%s", text);
  83                 }
  84                 FOREACH_MOD(I_OnUserNotice,OnUserNotice(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, exempt_list));
  85                 return CMD_SUCCESS;
  86         }
  87         char status = 0;
  88         const char* target = parameters[0].c_str();
  89
  90         if (ServerInstance->Modes->FindPrefix(*target))
  91         {
  92                 status = *target;
  93                 target++;
  94         }
  95         if (*target == '#')
  96         {
  97                 chan = ServerInstance->FindChan(target);
  98
  99                 exempt_list.insert(user);
 100
 101                 if (chan)
 102                 {
 103                         if (localuser)
 104                         {
 105                                 if ((chan->IsModeSet('n')) && (!chan->HasUser(user)))
 106                                 {
 107                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (no external messages)", user->nick.c_str(), chan->name.c_str());
 108                                         return CMD_FAILURE;
 109                                 }
 110                                 if ((chan->IsModeSet('m')) && (chan->GetPrefixValue(user) < VOICE_VALUE))
 111                                 {
 112                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (+m)", user->nick.c_str(), chan->name.c_str());
 113                                         return CMD_FAILURE;
 114                                 }
 115
 116                                 if (ServerInstance->Config->RestrictBannedUsers)
 117                                 {
 118                                         if (chan->IsBanned(user))
 119                                         {
 120                                                 user->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", user->nick.c_str(), chan->name.c_str());
 121                                                 return CMD_FAILURE;
 122                                         }
 123                                 }
 124                         }
 125                         ModResult MOD_RESULT;
 126
 127                         std::string temp = parameters[1];
 128                         FIRST_MOD_RESULT(OnUserPreNotice, MOD_RESULT, (user,chan,TYPE_CHANNEL,temp,status, exempt_list));
 129                         if (MOD_RESULT == MOD_RES_DENY)
 130                                 return CMD_FAILURE;
 131
 132                         const char* text = temp.c_str();
 133
 134                         if (temp.empty())
 135                         {
 136                                 user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 137                                 return CMD_FAILURE;
 138                         }
 139
 140                         FOREACH_MOD(I_OnText,OnText(user,chan,TYPE_CHANNEL,text,status,exempt_list));
 141
 142                         if (status)
 143                         {
 144                                 if (ServerInstance->Config->UndernetMsgPrefix)
 145                                 {
 146                                         chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %c%s :%c %s", status, chan->name.c_str(), status, text);
 147                                 }
 148                                 else
 149                                 {
 150                                         chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %c%s :%s", status, chan->name.c_str(), text);
 151                                 }
 152                         }
 153                         else
 154                         {
 155                                 chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %s :%s", chan->name.c_str(), text);
 156                         }
 157
 158                         FOREACH_MOD(I_OnUserNotice,OnUserNotice(user,chan,TYPE_CHANNEL,text,status,exempt_list));
 159                 }
 160                 else
 161                 {
 162                         /* no such nick/channel */
 163                         user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), target);
 164                         return CMD_FAILURE;
 165                 }
 166                 return CMD_SUCCESS;
 167         }
 168
 169         const char* destnick = parameters[0].c_str();
 170
 171         if (localuser)
 172         {
 173                 const char* targetserver = strchr(destnick, '@');
 174
 175                 if (targetserver)
 176                 {
 177                         std::string nickonly;
 178
 179                         nickonly.assign(destnick, 0, targetserver - destnick);
 180                         dest = ServerInstance->FindNickOnly(nickonly);
 181                         if (dest && strcasecmp(dest->server.c_str(), targetserver + 1))
 182                         {
 183                                 /* Incorrect server for user */
 184                                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 185                                 return CMD_FAILURE;
 186                         }
 187                 }
 188                 else
 189                         dest = ServerInstance->FindNickOnly(destnick);
 190         }
 191         else
 192                 dest = ServerInstance->FindNick(destnick);
 193
 194         if ((dest) && (dest->registered == REG_ALL))
 195         {
 196                 if (parameters[1].empty())
 197                 {
 198                         user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 199                         return CMD_FAILURE;
 200                 }
 201
 202                 ModResult MOD_RESULT;
 203                 std::string temp = parameters[1];
 204                 FIRST_MOD_RESULT(OnUserPreNotice, MOD_RESULT, (user,dest,TYPE_USER,temp,0,exempt_list));
 205                 if (MOD_RESULT == MOD_RES_DENY) {
 206                         return CMD_FAILURE;
 207                 }
 208                 const char* text = temp.c_str();
 209
 210                 FOREACH_MOD(I_OnText,OnText(user,dest,TYPE_USER,text,0,exempt_list));
 211
 212                 if (IS_LOCAL(dest))
 213                 {
 214                         // direct write, same server
 215                         user->WriteTo(dest, "NOTICE %s :%s", dest->nick.c_str(), text);
 216                 }
 217
 218                 FOREACH_MOD(I_OnUserNotice,OnUserNotice(user,dest,TYPE_USER,text,0,exempt_list));
 219         }
 220         else
 221         {
 222                 /* no such nick/channel */
 223                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 224                 return CMD_FAILURE;
 225         }
 226
 227         return CMD_SUCCESS;
 228
 229 }
 230
 231 COMMAND_INIT(CommandNotice)