src/modules/m_alias.cpp

   1 /*   +------------------------------------+
   2  *   | Inspire Internet Relay Chat Daemon |
   3  *   +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *   E-mail:
   7  *      <brain@chatspike.net>
   8  *      <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include "users.h"
  20 #include "channels.h"
  21 #include "modules.h"
  22 #include "helperfuncs.h"
  23 #include <vector>
  24
  25 /* $ModDesc: Provides aliases of commands. */
  26
  27 class Alias
  28 {
  29         public:
  30                 irc::string text;
  31                 std::string replace_with;
  32                 std::string requires;
  33                 bool uline;
  34 };
  35
  36 class ModuleAlias : public Module
  37 {
  38         private:
  39                 Server *Srv;
  40                 ConfigReader *MyConf;
  41                 std::vector<Alias> Aliases;
  42
  43                 /* XXX - small issue, why is this marked public when it's not (really) intended for external use
  44                  * Fixed 30/11/05 by Brain as suggestion by w00t */
  45                 virtual void ReadAliases()
  46                 {
  47                         Aliases.clear();
  48
  49                         for (int i = 0; i < MyConf->Enumerate("alias"); i++)
  50                         {
  51                                 Alias a;
  52                                 std::string txt;
  53                                 txt = MyConf->ReadValue("alias", "text", i);
  54                                 a.text = txt.c_str();
  55                                 a.replace_with = MyConf->ReadValue("alias", "replace", i);
  56                                 a.requires = MyConf->ReadValue("alias", "requires", i);
  57
  58                                 a.uline =       ((MyConf->ReadValue("alias", "uline", i) == "yes") ||
  59                                                 (MyConf->ReadValue("alias", "uline", i) == "1") ||
  60                                                 (MyConf->ReadValue("alias", "uline", i) == "true"));
  61
  62                                 Aliases.push_back(a);
  63                         }
  64
  65                 }
  66
  67         public:
  68
  69                 ModuleAlias(Server* Me)
  70                         : Module::Module(Me)
  71                 {
  72                         Srv = Me;
  73                         MyConf = new ConfigReader;
  74                         ReadAliases();
  75                 }
  76
  77                 virtual ~ModuleAlias()
  78                 {
  79                         delete MyConf;
  80                 }
  81
  82                 virtual Version GetVersion()
  83                 {
  84                         return Version(1,0,0,1,VF_VENDOR);
  85                 }
  86
  87                 virtual int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user, bool validated)
  88                 {
  89                         userrec *u = NULL;
  90                         irc::string c = command.c_str();
  91
  92                         /* If the command is valid, we dont want to know */
  93                         if (validated)
  94                                 return 0;
  95
  96                         for (unsigned int i = 0; i < Aliases.size(); i++)
  97                         {
  98                                 log(DEBUG,"Check against alias %s: %s",Aliases[i].text.c_str(),c.c_str());
  99                                 if (Aliases[i].text == c)
 100                                 {
 101                                         if (Aliases[i].requires != "")
 102                                         {
 103                                                 u = Srv->FindNick(Aliases[i].requires);
 104                                         }
 105
 106                                         if ((Aliases[i].requires != "") && (!u))
 107                                         {
 108                                                 Srv->SendServ(user->fd,"401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
 109                                                 return 1;
 110                                         }
 111                                         if (Aliases[i].uline)
 112                                         {
 113                                                 if (!Srv->IsUlined(u->server))
 114                                                 {
 115                                                         Srv->SendOpers("*** NOTICE -- Service "+Aliases[i].requires+" required by alias "+std::string(Aliases[i].text.c_str())+" is not on a u-lined server, possibly underhanded antics detected!");
 116                                                         Srv->SendServ(user->fd,"401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
 117                                                         return 1;
 118                                                 }
 119                                         }
 120
 121                                         std::stringstream stuff(Aliases[i].replace_with);
 122                                         for (int j = 1; j < pcnt; j++)
 123                                         {
 124                                                 if (j)
 125                                                         stuff << " ";
 126                                                 stuff << parameters[j];
 127                                         }
 128
 129                                         std::vector<std::string> items;
 130                                         while (!stuff.eof())
 131                                         {
 132                                                 std::string data;
 133                                                 stuff >> data;
 134                                                 items.push_back(data);
 135                                         }
 136
 137                                         char* para[127];
 138
 139                                         for (unsigned int j = 1; j < items.size(); j++)
 140                                                 para[j-1] = (char*)items[j].c_str();
 141
 142                                         Srv->CallCommandHandler(items[0],para,items.size()-1,user);
 143                                         return 1;
 144                                 }
 145                         }
 146                         return 0;
 147                 }
 148
 149                 virtual void OnRehash(std::string parameter)
 150                 {
 151                         delete MyConf;
 152                         MyConf = new ConfigReader;
 153
 154                         ReadAliases();
 155                 }
 156 };
 157
 158
 159 class ModuleAliasFactory : public ModuleFactory
 160 {
 161         public:
 162                 ModuleAliasFactory()
 163                 {
 164                 }
 165
 166                 ~ModuleAliasFactory()
 167                 {
 168                 }
 169
 170                 virtual Module * CreateModule(Server* Me)
 171                 {
 172                         return new ModuleAlias(Me);
 173                 }
 174 };
 175
 176
 177 extern "C" void * init_module( void )
 178 {
 179         return new ModuleAliasFactory;
 180 }
 181