src/commands/cmd_privmsg.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15
  16 /** Handle /PRIVMSG. These command handlers can be reloaded by the core,
  17  * and handle basic RFC1459 commands. Commands within modules work
  18  * the same way, however, they can be fully unloaded, where these
  19  * may not.
  20  */
  21 class CommandPrivmsg : public Command
  22 {
  23  public:
  24         /** Constructor for privmsg.
  25          */
  26         CommandPrivmsg ( Module* parent) : Command(parent,"PRIVMSG",2,2) { syntax = "<target>{,<target>} <message>"; }
  27         /** Handle command.
  28          * @param parameters The parameters to the comamnd
  29          * @param pcnt The number of parameters passed to teh command
  30          * @param user The user issuing the command
  31          * @return A value from CmdResult to indicate command success or failure.
  32          */
  33         CmdResult Handle(const std::vector<std::string>& parameters, User *user);
  34 };
  35
  36 CmdResult CommandPrivmsg::Handle (const std::vector<std::string>& parameters, User *user)
  37 {
  38         User *dest;
  39         Channel *chan;
  40         CUList except_list;
  41
  42         user->idle_lastmsg = ServerInstance->Time();
  43
  44         if (ServerInstance->Parser->LoopCall(user, this, parameters, 0))
  45                 return CMD_SUCCESS;
  46
  47         if (parameters[0][0] == '$')
  48         {
  49                 if (!user->HasPrivPermission("users/mass-message"))
  50                         return CMD_SUCCESS;
  51
  52                 ModResult MOD_RESULT;
  53                 std::string temp = parameters[1];
  54                 FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, (void*)parameters[0].c_str(), TYPE_SERVER, temp, 0, except_list));
  55                 if (MOD_RESULT == MOD_RES_DENY)
  56                         return CMD_FAILURE;
  57
  58                 const char* text = temp.c_str();
  59                 const char* servermask = (parameters[0].c_str()) + 1;
  60
  61                 FOREACH_MOD(I_OnText,OnText(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, except_list));
  62                 if (InspIRCd::Match(ServerInstance->Config->ServerName, servermask, NULL))
  63                 {
  64                         user->SendAll("PRIVMSG", "%s", text);
  65                 }
  66                 FOREACH_MOD(I_OnUserMessage,OnUserMessage(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, except_list));
  67                 return CMD_SUCCESS;
  68         }
  69         char status = 0;
  70         const char* target = parameters[0].c_str();
  71
  72         if (ServerInstance->Modes->FindPrefix(*target))
  73         {
  74                 status = *target;
  75                 target++;
  76         }
  77         if (*target == '#')
  78         {
  79                 chan = ServerInstance->FindChan(target);
  80
  81                 except_list.insert(user);
  82
  83                 if (chan)
  84                 {
  85                         if (IS_LOCAL(user) && chan->GetPrefixValue(user) < VOICE_VALUE)
  86                         {
  87                                 if (chan->IsModeSet('n') && !chan->HasUser(user))
  88                                 {
  89                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (no external messages)", user->nick.c_str(), chan->name.c_str());
  90                                         return CMD_FAILURE;
  91                                 }
  92
  93                                 if (chan->IsModeSet('m'))
  94                                 {
  95                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (+m)", user->nick.c_str(), chan->name.c_str());
  96                                         return CMD_FAILURE;
  97                                 }
  98
  99                                 if (ServerInstance->Config->RestrictBannedUsers)
 100                                 {
 101                                         if (chan->IsBanned(user))
 102                                         {
 103                                                 user->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", user->nick.c_str(), chan->name.c_str());
 104                                                 return CMD_FAILURE;
 105                                         }
 106                                 }
 107                         }
 108                         ModResult MOD_RESULT;
 109
 110                         std::string temp = parameters[1];
 111                         FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user,chan,TYPE_CHANNEL,temp,status,except_list));
 112                         if (MOD_RESULT == MOD_RES_DENY)
 113                                 return CMD_FAILURE;
 114
 115                         const char* text = temp.c_str();
 116
 117                         /* Check again, a module may have zapped the input string */
 118                         if (temp.empty())
 119                         {
 120                                 user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 121                                 return CMD_FAILURE;
 122                         }
 123
 124                         FOREACH_MOD(I_OnText,OnText(user,chan,TYPE_CHANNEL,text,status,except_list));
 125
 126                         if (status)
 127                         {
 128                                 if (ServerInstance->Config->UndernetMsgPrefix)
 129                                 {
 130                                         chan->WriteAllExcept(user, false, status, except_list, "PRIVMSG %c%s :%c %s", status, chan->name.c_str(), status, text);
 131                                 }
 132                                 else
 133                                 {
 134                                         chan->WriteAllExcept(user, false, status, except_list, "PRIVMSG %c%s :%s", status, chan->name.c_str(), text);
 135                                 }
 136                         }
 137                         else
 138                         {
 139                                 chan->WriteAllExcept(user, false, status, except_list, "PRIVMSG %s :%s", chan->name.c_str(), text);
 140                         }
 141
 142                         FOREACH_MOD(I_OnUserMessage,OnUserMessage(user,chan,TYPE_CHANNEL,text,status,except_list));
 143                 }
 144                 else
 145                 {
 146                         /* no such nick/channel */
 147                         user->WriteNumeric(401, "%s %s :No such nick/channel", user->nick.c_str(), target);
 148                         return CMD_FAILURE;
 149                 }
 150                 return CMD_SUCCESS;
 151         }
 152
 153         const char* destnick = parameters[0].c_str();
 154
 155         if (IS_LOCAL(user))
 156         {
 157                 const char* targetserver = strchr(destnick, '@');
 158
 159                 if (targetserver)
 160                 {
 161                         std::string nickonly;
 162
 163                         nickonly.assign(destnick, 0, targetserver - destnick);
 164                         dest = ServerInstance->FindNickOnly(nickonly);
 165                         if (dest && strcasecmp(dest->server, targetserver + 1))
 166                         {
 167                                 /* Incorrect server for user */
 168                                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 169                                 return CMD_FAILURE;
 170                         }
 171                 }
 172                 else
 173                         dest = ServerInstance->FindNickOnly(destnick);
 174         }
 175         else
 176                 dest = ServerInstance->FindNick(destnick);
 177
 178         if (dest)
 179         {
 180                 if (parameters[1].empty())
 181                 {
 182                         user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 183                         return CMD_FAILURE;
 184                 }
 185
 186                 if (IS_AWAY(dest))
 187                 {
 188                         /* auto respond with aweh msg */
 189                         user->WriteNumeric(301, "%s %s :%s", user->nick.c_str(), dest->nick.c_str(), dest->awaymsg.c_str());
 190                 }
 191
 192                 ModResult MOD_RESULT;
 193
 194                 std::string temp = parameters[1];
 195                 FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, dest, TYPE_USER, temp, 0, except_list));
 196                 if (MOD_RESULT == MOD_RES_DENY)
 197                         return CMD_FAILURE;
 198
 199                 const char* text = temp.c_str();
 200
 201                 FOREACH_MOD(I_OnText,OnText(user, dest, TYPE_USER, text, 0, except_list));
 202
 203                 if (IS_LOCAL(dest))
 204                 {
 205                         // direct write, same server
 206                         user->WriteTo(dest, "PRIVMSG %s :%s", dest->nick.c_str(), text);
 207                 }
 208
 209                 FOREACH_MOD(I_OnUserMessage,OnUserMessage(user, dest, TYPE_USER, text, 0, except_list));
 210         }
 211         else
 212         {
 213                 /* no such nick/channel */
 214                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 215                 return CMD_FAILURE;
 216         }
 217         return CMD_SUCCESS;
 218 }
 219
 220 COMMAND_INIT(CommandPrivmsg)