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 "commands.h"
  23 #include "inspircd.h"
  24 #include <vector>
  25
  26 /* $ModDesc: Provides aliases of commands. */
  27
  28 class Alias : public classbase
  29 {
  30  public:
  31         irc::string text;
  32         std::string replace_with;
  33         std::string requires;
  34         bool uline;
  35 };
  36
  37 class ModuleAlias : public Module
  38 {
  39  private:
  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(InspIRCd* Me)
  68                 : Module::Module(Me)
  69         {
  70
  71                 MyConf = new ConfigReader(ServerInstance);
  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                 /* If the command is valid, we dont want to know,
  95                  * and if theyre not registered yet, we dont want
  96                  * to know either
  97                  */
  98                 if ((validated) || (user->registered != REG_ALL))
  99                         return 0;
 100
 101                 for (unsigned int i = 0; i < Aliases.size(); i++)
 102                 {
 103                         if (Aliases[i].text == c)
 104                         {
 105                                 if (Aliases[i].requires != "")
 106                                 {
 107                                         u = ServerInstance->FindNick(Aliases[i].requires);
 108                                         if (!u)
 109                                         {
 110                                                 user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is currently unavailable. Please try again later.");
 111                                                 return 1;
 112                                         }
 113                                 }
 114                                 if ((u != NULL) && (Aliases[i].requires != "") && (Aliases[i].uline))
 115                                 {
 116                                         if (!ServerInstance->ULine(u->server))
 117                                         {
 118                                                 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!");
 119                                                 user->WriteServ("401 "+std::string(user->nick)+" "+Aliases[i].requires+" :is an imposter! Please inform an IRC operator as soon as possible.");
 120                                                 return 1;
 121                                         }
 122                                 }
 123                                         std::string n = "";
 124                                 for (int j = 0; j < pcnt; j++)
 125                                 {
 126                                         if (j)
 127                                                 n = n + " ";
 128                                         n = n + parameters[j];
 129                                 }
 130                                 /* Final param now in n as one string */
 131                                 std::stringstream stuff(Aliases[i].replace_with);
 132                                         std::string cmd = "";
 133                                 std::string target = "";
 134                                 stuff >> cmd;
 135                                 stuff >> target;
 136                                         const char* para[2];
 137                                 para[0] = target.c_str();
 138                                 para[1] = n.c_str();
 139                                         ServerInstance->CallCommandHandler(cmd,para,2,user);
 140                                 return 1;
 141                         }
 142                 }
 143                 return 0;
 144         }
 145
 146         virtual void OnRehash(const std::string &parameter)
 147         {
 148                 DELETE(MyConf);
 149                 MyConf = new ConfigReader(ServerInstance);
 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(InspIRCd* 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