Sync helpop chmodes s and p with docs

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

diff --git a/src/modules/m_noctcp.cpp b/src/modules/m_noctcp.cpp
index 8c8e1c473b387723ee0a3d8e3ff65a5068f160d1..b7cb84101edbefafab0075d1b5b675aa1c878e4d 100644 (file)
--- a/src/modules/m_noctcp.cpp
+++ b/src/modules/m_noctcp.cpp
@@ -1,9 +1,16 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
- *   Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ *   Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ *   Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
- *   Copyright (C) 2004, 2006 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2004, 2006 Craig Edwards <brain@inspircd.org>
  *
  * 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
@@ -20,72 +27,102 @@
 
 
 #include "inspircd.h"
+#include "modules/exemption.h"
 
-/* $ModDesc: Provides channel mode +C to block CTCPs */
-
-class NoCTCP : public SimpleChannelModeHandler
+class NoCTCPUser : public SimpleUserModeHandler
 {
- public:
-       NoCTCP(Module* Creator) : SimpleChannelModeHandler(Creator, "noctcp", 'C') { }
+public:
+       NoCTCPUser(Module* Creator)
+               : SimpleUserModeHandler(Creator, "u_noctcp", 'T')
+       {
+               if (!ServerInstance->Config->ConfValue("noctcp")->getBool("enableumode"))
+                       DisableAutoRegister();
+       }
 };
 
 class ModuleNoCTCP : public Module
 {
-
-       NoCTCP nc;
+       CheckExemption::EventProvider exemptionprov;
+       SimpleChannelModeHandler nc;
+       NoCTCPUser ncu;
 
  public:
-
        ModuleNoCTCP()
-               : nc(this)
+               : exemptionprov(this)
+               , nc(this, "noctcp", 'C')
+               , ncu(this)
        {
-               if (!ServerInstance->Modes->AddMode(&nc))
-                       throw ModuleException("Could not add new modes!");
-               Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_On005Numeric };
-               ServerInstance->Modules->Attach(eventlist, this, 3);
        }
 
-       virtual ~ModuleNoCTCP()
+       Version GetVersion() CXX11_OVERRIDE
        {
+               return Version("Adds channel mode C (noctcp) which allows channels to block messages which contain CTCPs and user mode T (u_noctcp) which allows users to block private messages that contain CTCPs.", VF_VENDOR);
        }
 
-       virtual Version GetVersion()
+       ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
        {
-               return Version("Provides channel mode +C to block CTCPs", VF_VENDOR);
-       }
+               if (!IS_LOCAL(user))
+                       return MOD_RES_PASSTHRU;
 
-       virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
-       {
-               return OnUserPreNotice(user,dest,target_type,text,status,exempt_list);
-       }
+               std::string ctcpname;
+               if (!details.IsCTCP(ctcpname) || irc::equals(ctcpname, "ACTION"))
+                       return MOD_RES_PASSTHRU;
 
-       virtual ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
-       {
-               if ((target_type == TYPE_CHANNEL) && (IS_LOCAL(user)))
+               switch (target.type)
                {
-                       Channel* c = (Channel*)dest;
-                       if (!c->IsModeSet('C'))
-                               return MOD_RES_PASSTHRU;
-
-                       if ((text.empty()) || (text[0] != '\001') || (strncmp(text.c_str(),"\1ACTION ",8)))
-                               return MOD_RES_PASSTHRU;
-
-                       ModResult res = ServerInstance->OnCheckExemption(user,c,"noctcp");
-                       if (res == MOD_RES_ALLOW)
-                               return MOD_RES_PASSTHRU;
-
-                       if (!c->GetExtBanStatus(user, 'C'))
+                       case MessageTarget::TYPE_CHANNEL:
+                       {
+                               if (user->HasPrivPermission("channels/ignore-noctcp"))
+                                       return MOD_RES_PASSTHRU;
+
+                               Channel* c = target.Get<Channel>();
+                               const Channel::MemberMap& members = c->GetUsers();
+                               for (Channel::MemberMap::const_iterator member = members.begin(); member != members.end(); ++member)
+                               {
+                                       User* u = member->first;
+                                       if (u->IsModeSet(ncu))
+                                               details.exemptions.insert(u);
+                               }
+
+                               ModResult res = CheckExemption::Call(exemptionprov, user, c, "noctcp");
+                               if (res == MOD_RES_ALLOW)
+                                       return MOD_RES_PASSTHRU;
+
+                               if (c->IsModeSet(nc))
+                               {
+                                       user->WriteNumeric(Numerics::CannotSendTo(c, "CTCPs", &nc));
+                                       return MOD_RES_DENY;
+                               }
+
+                               if (c->GetExtBanStatus(user, 'C') == MOD_RES_DENY)
+                               {
+                                       user->WriteNumeric(Numerics::CannotSendTo(c, "CTCPs", 'C', "noctcp"));
+                                       return MOD_RES_DENY;
+                               }
+                               break;
+                       }
+                       case MessageTarget::TYPE_USER:
                        {
-                               user->WriteNumeric(ERR_NOCTCPALLOWED, "%s %s :Can't send CTCP to channel (+C set)",user->nick.c_str(), c->name.c_str());
-                               return MOD_RES_DENY;
+                               if (user->HasPrivPermission("users/ignore-noctcp"))
+                                       return MOD_RES_PASSTHRU;
+
+                               User* u = target.Get<User>();
+                               if (u->IsModeSet(ncu))
+                               {
+                                       user->WriteNumeric(Numerics::CannotSendTo(u, "CTCPs", &ncu));
+                                       return MOD_RES_DENY;
+                               }
+                               break;
                        }
+                       case MessageTarget::TYPE_SERVER:
+                               break;
                }
                return MOD_RES_PASSTHRU;
        }
 
-       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');
        }
 };