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                                 if (Aliases[i].text == c)
  99                                 {
 100                                         if (Aliases[i].requires != "")
 101                                         {
 102                                                 u = Srv->FindNick(Aliases[i].requires);
 103                                         }
 104
 105                                         if ((Aliases[i].requires != "") && (!u))
 106                                         {
 107                                                 Srv->SendServ(user->fd,"401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
 108                                                 return 1;
 109                                         }
 110                                         if (Aliases[i].uline)
 111                                         {
 112                                                 if (!Srv->IsUlined(u->server))
 113                                                 {
 114                                                         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!");
 115                                                         Srv->SendServ(user->fd,"401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
 116                                                         return 1;
 117                                                 }
 118                                         }
 119
 120                                         std::string n = "";
 121                                         for (int j = 0; j < pcnt; j++)
 122                                         {
 123                                                 if (j)
 124                                                         n = n + " ";
 125                                                 n = n + parameters[j];
 126                                         }
 127                                         /* Final param now in n as one string */
 128                                         std::stringstream stuff(Aliases[i].replace_with);
 129
 130                                         std::string cmd = "";
 131                                         std::string target = "";
 132                                         stuff >> cmd;
 133                                         stuff >> target;
 134
 135                                         char* para[2];
 136                                         para[0] = (char*)target.c_str();
 137                                         para[1] = (char*)n.c_str();
 138
 139                                         Srv->CallCommandHandler(cmd,para,2,user);
 140                                         return 1;
 141                                 }
 142                         }
 143                         return 0;
 144                 }
 145
 146                 virtual void OnRehash(std::string parameter)
 147                 {
 148                         delete MyConf;
 149                         MyConf = new ConfigReader;
 150
 151                         ReadAliases();
 152                 }
 153 };
 154
 155
 156 class ModuleAliasFactory : public ModuleFactory
 157 {
 158         public:
 159                 ModuleAliasFactory()
 160                 {
 161                 }
 162
 163                 ~ModuleAliasFactory()
 164                 {
 165                 }
 166
 167                 virtual Module * CreateModule(Server* Me)
 168                 {
 169                         return new ModuleAlias(Me);
 170                 }
 171 };
 172
 173
 174 extern "C" void * init_module( void )
 175 {
 176         return new ModuleAliasFactory;
 177 }
 178