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 "inspircd.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         ConfigReader *MyConf;
  40         std::vector<Alias> Aliases;
  41
  42         virtual void ReadAliases()
  43         {
  44                 Aliases.clear();
  45
  46                 for (int i = 0; i < MyConf->Enumerate("alias"); i++)
  47                 {
  48                         Alias a;
  49                         std::string txt;
  50                         txt = MyConf->ReadValue("alias", "text", i);
  51                         a.text = txt.c_str();
  52                         a.replace_with = MyConf->ReadValue("alias", "replace", i);
  53                         a.requires = MyConf->ReadValue("alias", "requires", i);
  54
  55                         a.uline =       ((MyConf->ReadValue("alias", "uline", i) == "yes") ||
  56                                         (MyConf->ReadValue("alias", "uline", i) == "1") ||
  57                                                 (MyConf->ReadValue("alias", "uline", i) == "true"));
  58
  59                         Aliases.push_back(a);
  60                 }
  61
  62         }
  63
  64  public:
  65
  66         ModuleAlias(InspIRCd* Me)
  67                 : Module::Module(Me)
  68         {
  69
  70                 MyConf = new ConfigReader(ServerInstance);
  71                 ReadAliases();
  72         }
  73
  74         void Implements(char* List)
  75         {
  76                 List[I_OnPreCommand] = List[I_OnRehash] = 1;
  77         }
  78
  79         virtual ~ModuleAlias()
  80         {
  81                 DELETE(MyConf);
  82         }
  83
  84         virtual Version GetVersion()
  85         {
  86                 return Version(1,0,0,1,VF_VENDOR);
  87         }
  88
  89         virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated)
  90         {
  91                 userrec *u = NULL;
  92                 irc::string c = command.c_str();
  93                 /* If the command is valid, we dont want to know,
  94                  * and if theyre not registered yet, we dont want
  95                  * to know either
  96                  */
  97                 if ((validated) || (user->registered != REG_ALL))
  98                         return 0;
  99
 100                 for (unsigned int i = 0; i < Aliases.size(); i++)
 101                 {
 102                         if (Aliases[i].text == c)
 103                         {
 104                                 if (Aliases[i].requires != "")
 105                                 {
 106                                         u = ServerInstance->FindNick(Aliases[i].requires);
 107                                         if (!u)
 108                                         {
 109                                                 user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
 110                                                 return 1;
 111                                         }
 112                                 }
 113                                 if ((u != NULL) && (Aliases[i].requires != "") && (Aliases[i].uline))
 114                                 {
 115                                         if (!ServerInstance->ULine(u->server))
 116                                         {
 117                                                 ServerInstance->WriteOpers("*** 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!");
 118                                                 user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
 119                                                 return 1;
 120                                         }
 121                                 }
 122                                         std::string n = "";
 123                                 for (int j = 0; j < pcnt; j++)
 124                                 {
 125                                         if (j)
 126                                                 n = n + " ";
 127                                         n = n + parameters[j];
 128                                 }
 129                                 /* Final param now in n as one string */
 130                                 std::stringstream stuff(Aliases[i].replace_with);
 131                                         std::string cmd = "";
 132                                 std::string target = "";
 133                                 stuff >> cmd;
 134                                 stuff >> target;
 135                                         const char* para[2];
 136                                 para[0] = target.c_str();
 137                                 para[1] = n.c_str();
 138                                         ServerInstance->CallCommandHandler(cmd,para,2,user);
 139                                 return 1;
 140                         }
 141                 }
 142                 return 0;
 143         }
 144
 145         virtual void OnRehash(const std::string &parameter)
 146         {
 147                 DELETE(MyConf);
 148                 MyConf = new ConfigReader(ServerInstance);
 149
 150                 ReadAliases();
 151         }
 152 };
 153
 154
 155 class ModuleAliasFactory : public ModuleFactory
 156 {
 157  public:
 158         ModuleAliasFactory()
 159         {
 160         }
 161
 162         ~ModuleAliasFactory()
 163         {
 164         }
 165
 166                 virtual Module * CreateModule(InspIRCd* Me)
 167         {
 168                 return new ModuleAlias(Me);
 169         }
 170 };
 171
 172
 173 extern "C" void * init_module( void )
 174 {
 175         return new ModuleAliasFactory;
 176 }
 177