src/commands/cmd_topic.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/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 #include "commands/cmd_topic.h"
  16
  17
  18 extern "C" DllExport Command* init_command(InspIRCd* Instance)
  19 {
  20         return new CommandTopic(Instance);
  21 }
  22
  23 CmdResult CommandTopic::Handle (const std::vector<std::string>& parameters, User *user)
  24 {
  25         Channel* Ptr;
  26
  27         if (parameters.size() == 1)
  28         {
  29                 Ptr = ServerInstance->FindChan(parameters[0]);
  30                 if (Ptr)
  31                 {
  32                         if ((Ptr->IsModeSet('s')) && (!Ptr->HasUser(user)))
  33                         {
  34                                 user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), Ptr->name.c_str());
  35                                 return CMD_FAILURE;
  36                         }
  37                         if (Ptr->topicset)
  38                         {
  39                                 user->WriteNumeric(332, "%s %s :%s", user->nick.c_str(), Ptr->name.c_str(), Ptr->topic.c_str());
  40                                 user->WriteNumeric(333, "%s %s %s %lu", user->nick.c_str(), Ptr->name.c_str(), Ptr->setby.c_str(), (unsigned long)Ptr->topicset);
  41                         }
  42                         else
  43                         {
  44                                 user->WriteNumeric(331, "%s %s :No topic is set.", user->nick.c_str(), Ptr->name.c_str());
  45                         }
  46                 }
  47                 else
  48                 {
  49                         user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
  50                         return CMD_FAILURE;
  51                 }
  52                 return CMD_SUCCESS;
  53         }
  54         else if (parameters.size()>1)
  55         {
  56                 Ptr = ServerInstance->FindChan(parameters[0]);
  57                 if (Ptr)
  58                 {
  59                         if (IS_LOCAL(user))
  60                         {
  61                                 if (!Ptr->HasUser(user))
  62                                 {
  63                                         user->WriteNumeric(442, "%s %s :You're not on that channel!",user->nick.c_str(), Ptr->name.c_str());
  64                                         return CMD_FAILURE;
  65                                 }
  66                                 if ((Ptr->IsModeSet('t')) && (Ptr->GetStatus(user) < STATUS_HOP))
  67                                 {
  68                                         user->WriteNumeric(482, "%s %s :You must be at least a half-operator to change the topic on this channel", user->nick.c_str(), Ptr->name.c_str());
  69                                         return CMD_FAILURE;
  70                                 }
  71                         }
  72
  73                         std::string topic;
  74
  75                         if (IS_LOCAL(user))
  76                         {
  77                                 /* XXX: we need two string copies for a local topic, because we cant
  78                                  * let a module see the topic as longer than it actually is
  79                                  */
  80                                 int MOD_RESULT = 0;
  81
  82                                 topic.assign(parameters[1], 0, ServerInstance->Config->Limits.MaxTopic);
  83                                 FOREACH_RESULT(I_OnLocalTopicChange,OnLocalTopicChange(user,Ptr,topic));
  84                                 if (MOD_RESULT)
  85                                         return CMD_FAILURE;
  86
  87                                 Ptr->topic.assign(topic, 0, ServerInstance->Config->Limits.MaxTopic);
  88                         }
  89                         else
  90                         {
  91                                 /* Sneaky shortcut, one string copy for a remote topic */
  92                                 Ptr->topic.assign(parameters[1], 0, ServerInstance->Config->Limits.MaxTopic);
  93                         }
  94
  95                         Ptr->setby.assign(ServerInstance->Config->FullHostInTopic ?
  96                                         user->GetFullHost() : user->nick,
  97                                         0, 128);
  98
  99                         Ptr->topicset = ServerInstance->Time();
 100                         Ptr->WriteChannel(user, "TOPIC %s :%s", Ptr->name.c_str(), Ptr->topic.c_str());
 101
 102                         if (IS_LOCAL(user))
 103                                 /* We know 'topic' will contain valid data here */
 104                                 FOREACH_MOD(I_OnPostLocalTopicChange,OnPostLocalTopicChange(user, Ptr, topic));
 105                 }
 106                 else
 107                 {
 108                         user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
 109                         return CMD_FAILURE;
 110                 }
 111         }
 112         return CMD_SUCCESS;
 113 }
 114