src/modules/m_helpop.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
  24 // Global Vars
  25 static ConfigReader *helpop;
  26
  27 /*bool do_helpop(const char**, int, userrec*);
  28 void sendtohelpop(userrec*, int, const char**);*/
  29
  30 /* $ModDesc: /helpop Command, Works like Unreal helpop */
  31
  32 /** Handles user mode +h
  33  */
  34 class Helpop : public ModeHandler
  35 {
  36  public:
  37         Helpop(InspIRCd* Instance) : ModeHandler(Instance, 'h', 0, 0, false, MODETYPE_USER, true) { }
  38
  39         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  40         {
  41                 if (adding)
  42                 {
  43                         if (!dest->IsModeSet('h'))
  44                         {
  45                                 dest->SetMode('h',true);
  46                                 return MODEACTION_ALLOW;
  47                         }
  48                 }
  49                 else
  50                 {
  51                         if (dest->IsModeSet('h'))
  52                         {
  53                                 dest->SetMode('h',false);
  54                                 return MODEACTION_ALLOW;
  55                         }
  56                 }
  57
  58                 return MODEACTION_DENY;
  59         }
  60 };
  61
  62 /** Handles /HELPOP
  63  */
  64 class cmd_helpop : public command_t
  65 {
  66  public:
  67          cmd_helpop (InspIRCd* Instance) : command_t(Instance, "HELPOP", 0, 1)
  68          {
  69                  this->source = "m_helpop.so";
  70                  syntax = "[?|!]<any-text>";
  71          }
  72
  73         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  74         {
  75                 char a[MAXBUF];
  76                 std::string output = " ";
  77
  78                 if (!helpop)
  79                         return CMD_FAILURE;
  80
  81                 if (pcnt < 1)
  82                 {
  83                         do_helpop(NULL,pcnt,user);
  84                         return CMD_SUCCESS;
  85                 }
  86
  87                 if (*parameters[0] == '!')
  88                 {
  89                         // Force send to all +h users
  90                         sendtohelpop(user, pcnt, parameters);
  91                 }
  92                 else if (*parameters[0] == '?')
  93                 {
  94                         // Force to the helpop system with no forward if not found.
  95                         if (do_helpop(parameters, pcnt, user) == false)
  96                         {
  97                                 // Not handled by the Database, Tell the user, and bail.
  98                                 for (int i = 1; output != ""; i++)
  99                                 {
 100                                         snprintf(a,MAXBUF,"line%d",i);
 101                                         output = helpop->ReadValue("helpop_nohelp", a, 0);
 102
 103                                         if(output != "")
 104                                         {
 105                                                 user->WriteServ("290 "+std::string(user->nick)+" :"+output);
 106                                         }
 107                                 }
 108                         }
 109                 }
 110                 else
 111                 {
 112                         // Check with the helpop database, if not found send to +h
 113                         if (do_helpop(parameters, pcnt, user) == false)
 114                         {
 115                                 // Not handled by the Database, Tell the user, and forward.
 116                                 for (int i = 1; output != ""; i++)
 117                                 {
 118                                         snprintf(a,MAXBUF,"line%d",i);
 119                                         /* "nohelpo" for opers "nohelp" for users */
 120                                         output = helpop->ReadValue("helpop_nohelpo", a, 0);
 121                                         if (output != "")
 122                                         {
 123                                                 user->WriteServ("290 "+std::string(user->nick)+" :"+output);
 124                                         }
 125                                 }
 126                                 // Forward.
 127                                 sendtohelpop(user, pcnt, parameters);
 128                         }
 129                 }
 130
 131                 return CMD_SUCCESS;
 132         }
 133
 134
 135         bool do_helpop(const char** parameters, int pcnt, userrec *src)
 136         {
 137                 char search[MAXBUF];
 138                 std::string output = " "; // a fix bought to you by brain :p
 139                 char a[MAXBUF];
 140                 int nlines = 0;
 141
 142                 if (!pcnt)
 143                 {
 144                         strcpy(search,"helpop_start");
 145                 }
 146                 else
 147                 {
 148                         if (*parameters[0] == '?')
 149                                 parameters[0]++;
 150                         strlcpy(search, "helpop_", MAXBUF);
 151                         strlcat(search, parameters[0], MAXBUF);
 152                 }
 153
 154                 for (char* n = search; *n; n++)
 155                         *n = tolower(*n);
 156
 157                 for (int i = 1; output != ""; i++)
 158                 {
 159                         snprintf(a,MAXBUF,"line%d",i);
 160                         output = helpop->ReadValue(search, a, 0);
 161                         if (output != "")
 162                         {
 163                                 src->WriteServ("290 "+std::string(src->nick)+" :"+output);
 164                                 nlines++;
 165                         }
 166                 }
 167                 return (nlines>0);
 168         }
 169
 170         void sendtohelpop(userrec *src, int pcnt, const char **params)
 171         {
 172                 const char* first = params[0];
 173                 if (*first == '!')
 174                 {
 175                         first++;
 176                 }
 177
 178                 std::string line = "*** HELPOPS - From "+std::string(src->nick)+": "+std::string(first)+" ";
 179                 for (int i = 1; i < pcnt; i++)
 180                 {
 181                         line = line + std::string(params[i]) + " ";
 182                 }
 183                 ServerInstance->WriteMode("oh",WM_AND,line.c_str());
 184         }
 185 };
 186
 187 /** Thrown by m_helpop
 188  */
 189 class HelpopException : public ModuleException
 190 {
 191  private:
 192         std::string err;
 193  public:
 194         HelpopException(std::string message) : err(message) { }
 195         virtual const char* GetReason() { return err.c_str(); }
 196 };
 197
 198 class ModuleHelpop : public Module
 199 {
 200         private:
 201                 std::string  h_file;
 202                 cmd_helpop* mycommand;
 203                 Helpop* ho;
 204
 205         public:
 206                 ModuleHelpop(InspIRCd* Me)
 207                         : Module::Module(Me)
 208                 {
 209                         ReadConfig();
 210                         ho = new Helpop(ServerInstance);
 211                         ServerInstance->AddMode(ho, 'h');
 212                         mycommand = new cmd_helpop(ServerInstance);
 213                         ServerInstance->AddCommand(mycommand);
 214                 }
 215
 216                 virtual void ReadConfig()
 217                 {
 218                         helpop = new ConfigReader(ServerInstance);
 219                         if ((helpop->ReadValue("helpop_nohelp",  "line1", 0) == "") ||
 220                                 (helpop->ReadValue("helpop_nohelpo", "line1", 0) == "") ||
 221                                 (helpop->ReadValue("helpop_start",   "line1", 0) == ""))
 222                         {
 223                                 HelpopException e("m_helpop: Helpop file is missing important entries. Please check the example conf.");
 224                                 throw(e);
 225                         }
 226                 }
 227
 228                 void Implements(char* List)
 229                 {
 230                         List[I_OnRehash] = List[I_OnWhois] = 1;
 231                 }
 232
 233                 virtual void OnRehash(const std::string &parameter)
 234                 {
 235                         if (helpop)
 236                                 DELETE(helpop);
 237                         ReadConfig();
 238                 }
 239
 240                 virtual void OnWhois(userrec* src, userrec* dst)
 241                 {
 242                         if (dst->IsModeSet('h'))
 243                         {
 244                                 ServerInstance->SendWhoisLine(src, dst, 310, std::string(src->nick)+" "+std::string(dst->nick)+" :is available for help.");
 245                         }
 246                 }
 247
 248                 virtual ~ModuleHelpop()
 249                 {
 250                         ServerInstance->Modes->DelMode(ho);
 251                         DELETE(helpop);
 252                         DELETE(ho);
 253                 }
 254
 255                 virtual Version GetVersion()
 256                 {
 257                         return Version(1,1,0,1,VF_COMMON|VF_VENDOR,API_VERSION);
 258                 }
 259 };
 260
 261 class ModuleHelpopFactory : public ModuleFactory
 262 {
 263  public:
 264         ModuleHelpopFactory()
 265         {
 266         }
 267
 268         ~ModuleHelpopFactory()
 269         {
 270         }
 271
 272         virtual Module * CreateModule(InspIRCd* Me)
 273         {
 274                 return new ModuleHelpop(Me);
 275         }
 276
 277 };
 278
 279 extern "C" void * init_module( void )
 280 {
 281         return new ModuleHelpopFactory;
 282 }