]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_blockcaps.cpp
Merge pull request #1162 from SaberUK/insp20+fix-deinstall
[user/henk/code/inspircd.git] / src / modules / m_blockcaps.cpp
index f7ee81fd5ed7b10632e7abca56014de6f5489bb7..2006936992aa333723efa750548e38acd964030a 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *                <omster@gmail.com>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ *   Copyright (C) 2006, 2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2006-2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
  *
- * ---------------------------------------------------
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
-#include "helperfuncs.h"
 
-/* $ModDesc: Provides support for channel mode +P to block all-CAPS channel messages and notices */
+#include "inspircd.h"
+
+/* $ModDesc: Provides support to block all-CAPS channel messages and notices */
+
+
+/** Handles the +B channel mode
+ */
+class BlockCaps : public SimpleChannelModeHandler
+{
+ public:
+       BlockCaps(Module* Creator) : SimpleChannelModeHandler(Creator, "blockcaps", 'B') { }
+};
 
 class ModuleBlockCAPS : public Module
 {
-       Server *Srv;
+       BlockCaps bc;
+       int percent;
+       unsigned int minlen;
+       char capsmap[256];
 public:
-       
-       ModuleBlockCAPS(Server* Me) : Module::Module(Me)
+
+       ModuleBlockCAPS() : bc(this)
        {
-               Srv = Me;
-               Srv->AddExtendedMode('P', MT_CHANNEL, false, 0, 0);
        }
 
-       void Implements(char* List)
+       void init()
        {
-               List[I_On005Numeric] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnExtendedMode] = 1;
+               OnRehash(NULL);
+               ServerInstance->Modules->AddService(bc);
+               Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_OnRehash, I_On005Numeric };
+               ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
 
        virtual void On005Numeric(std::string &output)
        {
-               InsertMode(output, "P", 4);
+               ServerInstance->AddExtBanChar('B');
        }
 
-       virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
+       virtual void OnRehash(User* user)
+       {
+               ReadConf();
+       }
+
+       virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
        {
                if (target_type == TYPE_CHANNEL)
                {
-                       chanrec* c = (chanrec*)dest;
+                       if ((!IS_LOCAL(user)) || (text.length() < minlen))
+                               return MOD_RES_PASSTHRU;
+
+                       Channel* c = (Channel*)dest;
+                       ModResult res = ServerInstance->OnCheckExemption(user,c,"blockcaps");
 
-                       if (c->IsCustomModeSet('P'))
+                       if (res == MOD_RES_ALLOW)
+                               return MOD_RES_PASSTHRU;
+
+                       if (!c->GetExtBanStatus(user, 'B').check(!c->IsModeSet('B')))
                        {
-                               char* i = (char*)text.c_str();
-                               for (; *i; i++)
+                               int caps = 0;
+                               const char* actstr = "\1ACTION ";
+                               int act = 0;
+
+                               for (std::string::iterator i = text.begin(); i != text.end(); i++)
                                {
-                                       if (((*i != ' ') && (*i != '\t')) && ((*i < 'A') || (*i > 'Z')))
+                                       /* Smart fix for suggestion from Jobe, ignore CTCP ACTION (part of /ME) */
+                                       if (*actstr && *i == *actstr++ && act != -1)
                                        {
-                                               return 0;
+                                               act++;
+                                               continue;
                                        }
+                                       else
+                                               act = -1;
+
+                                       caps += capsmap[(unsigned char)*i];
+                               }
+                               if ( ((caps*100)/(int)text.length()) >= percent )
+                               {
+                                       user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s %s :Your message cannot contain more than %d%% capital letters if it's longer than %d characters", user->nick.c_str(), c->name.c_str(), percent, minlen);
+                                       return MOD_RES_DENY;
                                }
-                               
-                               WriteServ(user->fd, "404 %s %s :Can't send all-CAPS to channel (+P set)", user->nick, c->name);
-                               return 1;
                        }
                }
-               return 0;
+               return MOD_RES_PASSTHRU;
        }
-       
-       virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
+
+       virtual ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
        {
-               return OnUserPreMessage(user,dest,target_type,text,status);
+               return OnUserPreMessage(user,dest,target_type,text,status,exempt_list);
        }
-       
-       virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
+
+       void ReadConf()
        {
-               // check if this is our mode character...
-               if ((modechar == 'P') && (type == MT_CHANNEL))
-               {
-                       log(DEBUG,"Allowing P change");
-                       return 1;
+               ConfigTag* tag = ServerInstance->Config->ConfValue("blockcaps");
+               percent = tag->getInt("percent", 100);
+               minlen = tag->getInt("minlen", 1);
+               std::string hmap = tag->getString("capsmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+               memset(capsmap, 0, sizeof(capsmap));
+               for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
+                       capsmap[(unsigned char)*n] = 1;
+               if (percent < 1 || percent > 100)
+               {
+                       ServerInstance->Logs->Log("CONFIG",DEFAULT, "<blockcaps:percent> out of range, setting to default of 100.");
+                       percent = 100;
                }
-               else
+               if (minlen < 1 || minlen > MAXBUF-1)
                {
-                       return 0;
+                       ServerInstance->Logs->Log("CONFIG",DEFAULT, "<blockcaps:minlen> out of range, setting to default of 1.");
+                       minlen = 1;
                }
        }
 
        virtual ~ModuleBlockCAPS()
        {
        }
-       
-       virtual Version GetVersion()
-       {
-               return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
-       }
-};
-
 
-class ModuleBlockCAPSFactory : public ModuleFactory
-{
- public:
-       ModuleBlockCAPSFactory()
-       {
-       }
-       
-       ~ModuleBlockCAPSFactory()
-       {
-       }
-       
-       virtual Module * CreateModule(Server* Me)
+       virtual Version GetVersion()
        {
-               return new ModuleBlockCAPS(Me);
+               return Version("Provides support to block all-CAPS channel messages and notices", VF_VENDOR);
        }
-       
 };
 
-
-extern "C" void * init_module( void )
-{
-       return new ModuleBlockCAPSFactory;
-}
+MODULE_INIT(ModuleBlockCAPS)