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         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
  36         {
  37                 if (IS_LOCAL(user))
  38                         // This is handled by the OnUserMessage hook to split the LoopCall pieces
  39                         return ROUTE_LOCALONLY;
  40                 else
  41                         return ROUTE_MESSAGE(parameters[0]);
  42         }
  43 };
  44
  45 CmdResult CommandPrivmsg::Handle (const std::vector<std::string>& parameters, User *user)
  46 {
  47         User *dest;
  48         Channel *chan;
  49         CUList except_list;
  50
  51         user->idle_lastmsg = ServerInstance->Time();
  52
  53         if (ServerInstance->Parser->LoopCall(user, this, parameters, 0))
  54                 return CMD_SUCCESS;
  55
  56         if (parameters[0][0] == '$')
  57         {
  58                 if (!user->HasPrivPermission("users/mass-message"))
  59                         return CMD_SUCCESS;
  60
  61                 ModResult MOD_RESULT;
  62                 std::string temp = parameters[1];
  63                 FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, (void*)parameters[0].c_str(), TYPE_SERVER, temp, 0, except_list));
  64                 if (MOD_RESULT == MOD_RES_DENY)
  65                         return CMD_FAILURE;
  66
  67                 const char* text = temp.c_str();
  68                 const char* servermask = (parameters[0].c_str()) + 1;
  69
  70                 FOREACH_MOD(I_OnText,OnText(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, except_list));
  71                 if (InspIRCd::Match(ServerInstance->Config->ServerName, servermask, NULL))
  72                 {
  73                         user->SendAll("PRIVMSG", "%s", text);
  74                 }
  75                 FOREACH_MOD(I_OnUserMessage,OnUserMessage(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, except_list));
  76                 return CMD_SUCCESS;
  77         }
  78         char status = 0;
  79         const char* target = parameters[0].c_str();
  80
  81         if (ServerInstance->Modes->FindPrefix(*target))
  82         {
  83                 status = *target;
  84                 target++;
  85         }
  86         if (*target == '#')
  87         {
  88                 chan = ServerInstance->FindChan(target);
  89
  90                 except_list.insert(user);
  91
  92                 if (chan)
  93                 {
  94                         if (IS_LOCAL(user) && chan->GetPrefixValue(user) < VOICE_VALUE)
  95                         {
  96                                 if (chan->IsModeSet('n') && !chan->HasUser(user))
  97                                 {
  98                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (no external messages)", user->nick.c_str(), chan->name.c_str());
  99                                         return CMD_FAILURE;
 100                                 }
 101
 102                                 if (chan->IsModeSet('m'))
 103                                 {
 104                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (+m)", user->nick.c_str(), chan->name.c_str());
 105                                         return CMD_FAILURE;
 106                                 }
 107
 108                                 if (ServerInstance->Config->RestrictBannedUsers)
 109                                 {
 110                                         if (chan->IsBanned(user))
 111                                         {
 112                                                 user->WriteNumeric(404, "%s %s :Cannot send to channel (you're banned)", user->nick.c_str(), chan->name.c_str());
 113                                                 return CMD_FAILURE;
 114                                         }
 115                                 }
 116                         }
 117                         ModResult MOD_RESULT;
 118
 119                         std::string temp = parameters[1];
 120                         FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user,chan,TYPE_CHANNEL,temp,status,except_list));
 121                         if (MOD_RESULT == MOD_RES_DENY)
 122                                 return CMD_FAILURE;
 123
 124                         const char* text = temp.c_str();
 125
 126                         /* Check again, a module may have zapped the input string */
 127                         if (temp.empty())
 128                         {
 129                                 user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 130                                 return CMD_FAILURE;
 131                         }
 132
 133                         FOREACH_MOD(I_OnText,OnText(user,chan,TYPE_CHANNEL,text,status,except_list));
 134
 135                         if (status)
 136                         {
 137                                 if (ServerInstance->Config->UndernetMsgPrefix)
 138                                 {
 139                                         chan->WriteAllExcept(user, false, status, except_list, "PRIVMSG %c%s :%c %s", status, chan->name.c_str(), status, text);
 140                                 }
 141                                 else
 142                                 {
 143                                         chan->WriteAllExcept(user, false, status, except_list, "PRIVMSG %c%s :%s", status, chan->name.c_str(), text);
 144                                 }
 145                         }
 146                         else
 147                         {
 148                                 chan->WriteAllExcept(user, false, status, except_list, "PRIVMSG %s :%s", chan->name.c_str(), text);
 149                         }
 150
 151                         FOREACH_MOD(I_OnUserMessage,OnUserMessage(user,chan,TYPE_CHANNEL,text,status,except_list));
 152                 }
 153                 else
 154                 {
 155                         /* no such nick/channel */
 156                         user->WriteNumeric(401, "%s %s :No such nick/channel", user->nick.c_str(), target);
 157                         return CMD_FAILURE;
 158                 }
 159                 return CMD_SUCCESS;
 160         }
 161
 162         const char* destnick = parameters[0].c_str();
 163
 164         if (IS_LOCAL(user))
 165         {
 166                 const char* targetserver = strchr(destnick, '@');
 167
 168                 if (targetserver)
 169                 {
 170                         std::string nickonly;
 171
 172                         nickonly.assign(destnick, 0, targetserver - destnick);
 173                         dest = ServerInstance->FindNickOnly(nickonly);
 174                         if (dest && strcasecmp(dest->server.c_str(), targetserver + 1))
 175                         {
 176                                 /* Incorrect server for user */
 177                                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 178                                 return CMD_FAILURE;
 179                         }
 180                 }
 181                 else
 182                         dest = ServerInstance->FindNickOnly(destnick);
 183         }
 184         else
 185                 dest = ServerInstance->FindNick(destnick);
 186
 187         if (dest)
 188         {
 189                 if (parameters[1].empty())
 190                 {
 191                         user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 192                         return CMD_FAILURE;
 193                 }
 194
 195                 if (IS_AWAY(dest))
 196                 {
 197                         /* auto respond with aweh msg */
 198                         user->WriteNumeric(301, "%s %s :%s", user->nick.c_str(), dest->nick.c_str(), dest->awaymsg.c_str());
 199                 }
 200
 201                 ModResult MOD_RESULT;
 202
 203                 std::string temp = parameters[1];
 204                 FIRST_MOD_RESULT(OnUserPreMessage, MOD_RESULT, (user, dest, TYPE_USER, temp, 0, except_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, except_list));
 211
 212                 if (IS_LOCAL(dest))
 213                 {
 214                         // direct write, same server
 215                         user->WriteTo(dest, "PRIVMSG %s :%s", dest->nick.c_str(), text);
 216                 }
 217
 218                 FOREACH_MOD(I_OnUserMessage,OnUserMessage(user, dest, TYPE_USER, text, 0, except_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         return CMD_SUCCESS;
 227 }
 228
 229 COMMAND_INIT(CommandPrivmsg)