src/commands/cmd_notice.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 /** Handle /NOTICE. These command handlers can be reloaded by the core,
  16  * and handle basic RFC1459 commands. Commands within modules work
  17  * the same way, however, they can be fully unloaded, where these
  18  * may not.
  19  */
  20 class CommandNotice : public Command
  21 {
  22  public:
  23         /** Constructor for notice.
  24          */
  25         CommandNotice ( Module* parent) : Command(parent,"NOTICE",2,2) { syntax = "<target>{,<target>} <message>"; }
  26         /** Handle command.
  27          * @param parameters The parameters to the comamnd
  28          * @param pcnt The number of parameters passed to teh command
  29          * @param user The user issuing the command
  30          * @return A value from CmdResult to indicate command success or failure.
  31          */
  32         CmdResult Handle(const std::vector<std::string>& parameters, User *user);
  33 };
  34
  35
  36 CmdResult CommandNotice::Handle (const std::vector<std::string>& parameters, User *user)
  37 {
  38         User *dest;
  39         Channel *chan;
  40
  41         CUList exempt_list;
  42
  43         user->idle_lastmsg = ServerInstance->Time();
  44
  45         if (ServerInstance->Parser->LoopCall(user, this, parameters, 0))
  46                 return CMD_SUCCESS;
  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(ServerInstance, OnUserPreNotice, MOD_RESULT, (user, (void*)parameters[0].c_str(), TYPE_SERVER, temp, 0, exempt_list));
  55                 if (MOD_RESULT == MOD_RES_DENY)
  56                         return CMD_FAILURE;
  57                 const char* text = temp.c_str();
  58                 const char* servermask = (parameters[0].c_str()) + 1;
  59
  60                 FOREACH_MOD(I_OnText,OnText(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, exempt_list));
  61                 if (InspIRCd::Match(ServerInstance->Config->ServerName,servermask, NULL))
  62                 {
  63                         user->SendAll("NOTICE", "%s", text);
  64                 }
  65                 FOREACH_MOD(I_OnUserNotice,OnUserNotice(user, (void*)parameters[0].c_str(), TYPE_SERVER, text, 0, exempt_list));
  66                 return CMD_SUCCESS;
  67         }
  68         char status = 0;
  69         const char* target = parameters[0].c_str();
  70
  71         if (ServerInstance->Modes->FindPrefix(*target))
  72         {
  73                 status = *target;
  74                 target++;
  75         }
  76         if (*target == '#')
  77         {
  78                 chan = ServerInstance->FindChan(target);
  79
  80                 exempt_list.insert(user);
  81
  82                 if (chan)
  83                 {
  84                         if (IS_LOCAL(user))
  85                         {
  86                                 if ((chan->IsModeSet('n')) && (!chan->HasUser(user)))
  87                                 {
  88                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (no external messages)", user->nick.c_str(), chan->name.c_str());
  89                                         return CMD_FAILURE;
  90                                 }
  91                                 if ((chan->IsModeSet('m')) && (chan->GetPrefixValue(user) < VOICE_VALUE))
  92                                 {
  93                                         user->WriteNumeric(404, "%s %s :Cannot send to channel (+m)", user->nick.c_str(), chan->name.c_str());
  94                                         return CMD_FAILURE;
  95                                 }
  96                         }
  97                         ModResult MOD_RESULT;
  98
  99                         std::string temp = parameters[1];
 100                         FIRST_MOD_RESULT(ServerInstance, OnUserPreNotice, MOD_RESULT, (user,chan,TYPE_CHANNEL,temp,status, exempt_list));
 101                         if (MOD_RESULT == MOD_RES_DENY)
 102                                 return CMD_FAILURE;
 103
 104                         const char* text = temp.c_str();
 105
 106                         if (temp.empty())
 107                         {
 108                                 user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 109                                 return CMD_FAILURE;
 110                         }
 111
 112                         FOREACH_MOD(I_OnText,OnText(user,chan,TYPE_CHANNEL,text,status,exempt_list));
 113
 114                         if (status)
 115                         {
 116                                 if (ServerInstance->Config->UndernetMsgPrefix)
 117                                 {
 118                                         chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %c%s :%c %s", status, chan->name.c_str(), status, text);
 119                                 }
 120                                 else
 121                                 {
 122                                         chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %c%s :%s", status, chan->name.c_str(), text);
 123                                 }
 124                         }
 125                         else
 126                         {
 127                                 chan->WriteAllExcept(user, false, status, exempt_list, "NOTICE %s :%s", chan->name.c_str(), text);
 128                         }
 129
 130                         FOREACH_MOD(I_OnUserNotice,OnUserNotice(user,chan,TYPE_CHANNEL,text,status,exempt_list));
 131                 }
 132                 else
 133                 {
 134                         /* no such nick/channel */
 135                         user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), target);
 136                         return CMD_FAILURE;
 137                 }
 138                 return CMD_SUCCESS;
 139         }
 140
 141         const char* destnick = parameters[0].c_str();
 142
 143         if (IS_LOCAL(user))
 144         {
 145                 const char* targetserver = strchr(destnick, '@');
 146
 147                 if (targetserver)
 148                 {
 149                         std::string nickonly;
 150
 151                         nickonly.assign(destnick, 0, targetserver - destnick);
 152                         dest = ServerInstance->FindNickOnly(nickonly);
 153                         if (dest && strcasecmp(dest->server, targetserver + 1))
 154                         {
 155                                 /* Incorrect server for user */
 156                                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 157                                 return CMD_FAILURE;
 158                         }
 159                 }
 160                 else
 161                         dest = ServerInstance->FindNickOnly(destnick);
 162         }
 163         else
 164                 dest = ServerInstance->FindNick(destnick);
 165
 166         if (dest)
 167         {
 168                 if (parameters[1].empty())
 169                 {
 170                         user->WriteNumeric(412, "%s :No text to send", user->nick.c_str());
 171                         return CMD_FAILURE;
 172                 }
 173
 174                 ModResult MOD_RESULT;
 175                 std::string temp = parameters[1];
 176                 FIRST_MOD_RESULT(ServerInstance, OnUserPreNotice, MOD_RESULT, (user,dest,TYPE_USER,temp,0,exempt_list));
 177                 if (MOD_RESULT == MOD_RES_DENY) {
 178                         return CMD_FAILURE;
 179                 }
 180                 const char* text = temp.c_str();
 181
 182                 FOREACH_MOD(I_OnText,OnText(user,dest,TYPE_USER,text,0,exempt_list));
 183
 184                 if (IS_LOCAL(dest))
 185                 {
 186                         // direct write, same server
 187                         user->WriteTo(dest, "NOTICE %s :%s", dest->nick.c_str(), text);
 188                 }
 189
 190                 FOREACH_MOD(I_OnUserNotice,OnUserNotice(user,dest,TYPE_USER,text,0,exempt_list));
 191         }
 192         else
 193         {
 194                 /* no such nick/channel */
 195                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 196                 return CMD_FAILURE;
 197         }
 198
 199         return CMD_SUCCESS;
 200
 201 }
 202
 203 COMMAND_INIT(CommandNotice)