src/modules/m_alias.cpp

   1 /*   +------------------------------------+
   2  *   | Inspire Internet Relay Chat Daemon |
   3  *   +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 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 : public classbase
  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                 virtual void ReadAliases()
  44                 {
  45                         Aliases.clear();
  46
  47                         for (int i = 0; i < MyConf->Enumerate("alias"); i++)
  48                         {
  49                                 Alias a;
  50                                 std::string txt;
  51                                 txt = MyConf->ReadValue("alias", "text", i);
  52                                 a.text = txt.c_str();
  53                                 a.replace_with = MyConf->ReadValue("alias", "replace", i);
  54                                 a.requires = MyConf->ReadValue("alias", "requires", i);
  55
  56                                 a.uline =       ((MyConf->ReadValue("alias", "uline", i) == "yes") ||
  57                                                 (MyConf->ReadValue("alias", "uline", i) == "1") ||
  58                                                 (MyConf->ReadValue("alias", "uline", i) == "true"));
  59
  60                                 Aliases.push_back(a);
  61                         }
  62
  63                 }
  64
  65         public:
  66
  67                 ModuleAlias(Server* Me)
  68                         : Module::Module(Me)
  69                 {
  70                         Srv = Me;
  71                         MyConf = new ConfigReader;
  72                         ReadAliases();
  73                 }
  74
  75                 void Implements(char* List)
  76                 {
  77                         List[I_OnPreCommand] = List[I_OnRehash] = 1;
  78                 }
  79
  80                 virtual ~ModuleAlias()
  81                 {
  82                         DELETE(MyConf);
  83                 }
  84
  85                 virtual Version GetVersion()
  86                 {
  87                         return Version(1,0,0,1,VF_VENDOR);
  88                 }
  89
  90                 virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated)
  91                 {
  92                         userrec *u = NULL;
  93                         irc::string c = command.c_str();
  94
  95                         /* If the command is valid, we dont want to know,
  96                          * and if theyre not registered yet, we dont want
  97                          * to know either
  98                          */
  99                         if ((validated) || (user->registered != 7))
 100                                 return 0;
 101
 102                         for (unsigned int i = 0; i < Aliases.size(); i++)
 103                         {
 104                                 if (Aliases[i].text == c)
 105                                 {
 106                                         if (Aliases[i].requires != "")
 107                                         {
 108                                                 u = Srv->FindNick(Aliases[i].requires);
 109                                                 if (!u)
 110                                                 {
 111                                                         Srv->SendServ(user->fd,"401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
 112                                                         return 1;
 113                                                 }
 114                                         }
 115                                         if ((u != NULL) && (Aliases[i].requires != "") && (Aliases[i].uline))
 116                                         {
 117                                                 if (!Srv->IsUlined(u->server))
 118                                                 {
 119                                                         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!");
 120                                                         Srv->SendServ(user->fd,"401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
 121                                                         return 1;
 122                                                 }
 123                                         }
 124
 125                                         std::string n = "";
 126                                         for (int j = 0; j < pcnt; j++)
 127                                         {
 128                                                 if (j)
 129                                                         n = n + " ";
 130                                                 n = n + parameters[j];
 131                                         }
 132                                         /* Final param now in n as one string */
 133                                         std::stringstream stuff(Aliases[i].replace_with);
 134
 135                                         std::string cmd = "";
 136                                         std::string target = "";
 137                                         stuff >> cmd;
 138                                         stuff >> target;
 139
 140                                         const char* para[2];
 141                                         para[0] = target.c_str();
 142                                         para[1] = n.c_str();
 143
 144                                         Srv->CallCommandHandler(cmd,para,2,user);
 145                                         return 1;
 146                                 }
 147                         }
 148                         return 0;
 149                 }
 150
 151                 virtual void OnRehash(const std::string &parameter)
 152                 {
 153                         DELETE(MyConf);
 154                         MyConf = new ConfigReader;
 155
 156                         ReadAliases();
 157                 }
 158 };
 159
 160
 161 class ModuleAliasFactory : public ModuleFactory
 162 {
 163         public:
 164                 ModuleAliasFactory()
 165                 {
 166                 }
 167
 168                 ~ModuleAliasFactory()
 169                 {
 170                 }
 171
 172                 virtual Module * CreateModule(Server* Me)
 173                 {
 174                         return new ModuleAlias(Me);
 175                 }
 176 };
 177
 178
 179 extern "C" void * init_module( void )
 180 {
 181         return new ModuleAliasFactory;
 182 }
 183