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 "commands.h"
  24 #include "inspircd.h"
  25 #include <vector>
  26
  27 /* $ModDesc: Provides aliases of commands. */
  28
  29
  30
  31 class Alias : public classbase
  32 {
  33  public:
  34         irc::string text;
  35         std::string replace_with;
  36         std::string requires;
  37         bool uline;
  38 };
  39
  40 class ModuleAlias : public Module
  41 {
  42  private:
  43         ConfigReader *MyConf;
  44         std::vector<Alias> Aliases;
  45
  46         virtual void ReadAliases()
  47         {
  48                 Aliases.clear();
  49
  50                 for (int i = 0; i < MyConf->Enumerate("alias"); i++)
  51                 {
  52                         Alias a;
  53                         std::string txt;
  54                         txt = MyConf->ReadValue("alias", "text", i);
  55                         a.text = txt.c_str();
  56                         a.replace_with = MyConf->ReadValue("alias", "replace", i);
  57                         a.requires = MyConf->ReadValue("alias", "requires", i);
  58
  59                         a.uline =       ((MyConf->ReadValue("alias", "uline", i) == "yes") ||
  60                                         (MyConf->ReadValue("alias", "uline", i) == "1") ||
  61                                                 (MyConf->ReadValue("alias", "uline", i) == "true"));
  62
  63                         Aliases.push_back(a);
  64                 }
  65
  66         }
  67
  68  public:
  69
  70         ModuleAlias(InspIRCd* Me)
  71                 : Module::Module(Me)
  72         {
  73
  74                 MyConf = new ConfigReader(ServerInstance);
  75                 ReadAliases();
  76         }
  77
  78         void Implements(char* List)
  79         {
  80                 List[I_OnPreCommand] = List[I_OnRehash] = 1;
  81         }
  82
  83         virtual ~ModuleAlias()
  84         {
  85                 DELETE(MyConf);
  86         }
  87
  88         virtual Version GetVersion()
  89         {
  90                 return Version(1,0,0,1,VF_VENDOR);
  91         }
  92
  93         virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated)
  94         {
  95                 userrec *u = NULL;
  96                 irc::string c = command.c_str();
  97                 /* If the command is valid, we dont want to know,
  98                  * and if theyre not registered yet, we dont want
  99                  * to know either
 100                  */
 101                 if ((validated) || (user->registered != REG_ALL))
 102                         return 0;
 103
 104                 for (unsigned int i = 0; i < Aliases.size(); i++)
 105                 {
 106                         if (Aliases[i].text == c)
 107                         {
 108                                 if (Aliases[i].requires != "")
 109                                 {
 110                                         u = ServerInstance->FindNick(Aliases[i].requires);
 111                                         if (!u)
 112                                         {
 113                                                 user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
 114                                                 return 1;
 115                                         }
 116                                 }
 117                                 if ((u != NULL) && (Aliases[i].requires != "") && (Aliases[i].uline))
 118                                 {
 119                                         if (!ServerInstance->ULine(u->server))
 120                                         {
 121                                                 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!");
 122                                                 user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
 123                                                 return 1;
 124                                         }
 125                                 }
 126                                         std::string n = "";
 127                                 for (int j = 0; j < pcnt; j++)
 128                                 {
 129                                         if (j)
 130                                                 n = n + " ";
 131                                         n = n + parameters[j];
 132                                 }
 133                                 /* Final param now in n as one string */
 134                                 std::stringstream stuff(Aliases[i].replace_with);
 135                                         std::string cmd = "";
 136                                 std::string target = "";
 137                                 stuff >> cmd;
 138                                 stuff >> target;
 139                                         const char* para[2];
 140                                 para[0] = target.c_str();
 141                                 para[1] = n.c_str();
 142                                         ServerInstance->CallCommandHandler(cmd,para,2,user);
 143                                 return 1;
 144                         }
 145                 }
 146                 return 0;
 147         }
 148
 149         virtual void OnRehash(const std::string &parameter)
 150         {
 151                 DELETE(MyConf);
 152                 MyConf = new ConfigReader(ServerInstance);
 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(InspIRCd* 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