Add support for blocking tag messages with the deaf mode.

[user/henk/code/inspircd.git] / src / modules / m_blockcolor.cpp

diff --git a/src/modules/m_blockcolor.cpp b/src/modules/m_blockcolor.cpp
index 73bfb76069c32ac4213877282908c9eb09f3e697..c5dc35fe371b52fc1881a6686716b3fdc2c52772 100644 (file)
--- a/src/modules/m_blockcolor.cpp
+++ b/src/modules/m_blockcolor.cpp
@@ -1,73 +1,75 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
  *
- *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ *   Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ *   Copyright (C) 2013, 2017, 2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012, 2018 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 Shawn Smith <ShawnSmith0828@gmail.com>
+ *   Copyright (C) 2012 DjSlash <djslash@djslash.org>
+ *   Copyright (C) 2012 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2006, 2010 Craig Edwards <brain@inspircd.org>
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * 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 "inspircd.h"
-
-/* $ModDesc: Provides support for unreal-style channel mode +c */
 
-/** Handles the +c channel mode
- */
-class BlockColor : public SimpleChannelModeHandler
-{
- public:
-       BlockColor(Module* Creator) : SimpleChannelModeHandler(Creator, "blockcolor", 'c') { }
-};
+#include "inspircd.h"
+#include "modules/exemption.h"
 
-class ModuleBlockColour : public Module
+class ModuleBlockColor : public Module
 {
-       bool AllowChanOps;
-       BlockColor bc;
+       CheckExemption::EventProvider exemptionprov;
+       SimpleChannelModeHandler bc;
  public:
 
-       ModuleBlockColour() : bc(this)
+       ModuleBlockColor()
+               : exemptionprov(this)
+               , bc(this, "blockcolor", 'c')
        {
-               if (!ServerInstance->Modes->AddMode(&bc))
-                       throw ModuleException("Could not add new modes!");
-               Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_On005Numeric };
-               ServerInstance->Modules->Attach(eventlist, this, 3);
        }
 
-       virtual void On005Numeric(std::string &output)
+       void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
        {
-               ServerInstance->AddExtBanChar('c');
+               tokens["EXTBAN"].push_back('c');
        }
 
-       virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+       ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
        {
-               if ((target_type == TYPE_CHANNEL) && (IS_LOCAL(user)))
+               if ((target.type == MessageTarget::TYPE_CHANNEL) && (IS_LOCAL(user)))
                {
-                       Channel* c = (Channel*)dest;
-                       ModResult res;
-                       FIRST_MOD_RESULT(OnChannelRestrictionApply, res, (user,c,"blockcolor"));
+                       Channel* c = target.Get<Channel>();
 
+                       ModResult res = CheckExemption::Call(exemptionprov, user, c, "blockcolor");
                        if (res == MOD_RES_ALLOW)
                                return MOD_RES_PASSTHRU;
 
-                       if (!c->GetExtBanStatus(user, 'c').check(!c->IsModeSet('c')))
+                       bool modeset = c->IsModeSet(bc);
+                       if (!c->GetExtBanStatus(user, 'c').check(!modeset))
                        {
-                               for (std::string::iterator i = text.begin(); i != text.end(); i++)
+                               for (std::string::iterator i = details.text.begin(); i != details.text.end(); i++)
                                {
-                                       switch (*i)
+                                       // Block all control codes except \001 for CTCP
+                                       if ((*i >= 0) && (*i < 32) && (*i != 1))
                                        {
-                                               case 2:
-                                               case 3:
-                                               case 15:
-                                               case 21:
-                                               case 22:
-                                               case 31:
-                                                       user->WriteNumeric(404, "%s %s :Can't send colours to channel (+c set)",user->nick.c_str(), c->name.c_str());
-                                                       return MOD_RES_DENY;
-                                               break;
+                                               if (modeset)
+                                                       user->WriteNumeric(Numerics::CannotSendTo(c, "messages containing formatting characters", &bc));
+                                               else
+                                                       user->WriteNumeric(Numerics::CannotSendTo(c, "messages containing formatting characters", 'c', "nocolor"));
+                                               return MOD_RES_DENY;
                                        }
                                }
                        }
@@ -75,19 +77,10 @@ class ModuleBlockColour : public Module
                return MOD_RES_PASSTHRU;
        }
 
-       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,exempt_list);
-       }
-
-       virtual ~ModuleBlockColour()
-       {
-       }
-
-       virtual Version GetVersion()
+       Version GetVersion() CXX11_OVERRIDE
        {
-               return Version("Provides support for unreal-style channel mode +c",VF_COMMON|VF_VENDOR,API_VERSION);
+               return Version("Adds channel mode c (blockcolor) which allows channels to block messages which contain IRC formatting codes.",VF_VENDOR);
        }
 };
 
-MODULE_INIT(ModuleBlockColour)
+MODULE_INIT(ModuleBlockColor)