X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fm_chanhistory.cpp;h=bace497c20dfb2a111b49bd8a11f2428740e6256;hb=e950f568d0f571e9475aa38177486468714de4d3;hp=d987fee1e5e4bbf22373c655587b01c55d654203;hpb=95c1fb9bdd5f93cf4f8306a7b8ae9ca098aade1a;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/m_chanhistory.cpp b/src/modules/m_chanhistory.cpp index d987fee1e..bace497c2 100644 --- a/src/modules/m_chanhistory.cpp +++ b/src/modules/m_chanhistory.cpp @@ -1,19 +1,23 @@ -/* +------------------------------------+ - * | 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) 2009-2010 Daniel De Graaf * - * 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 . */ -#include "inspircd.h" -/* $ModDesc: Provides channel history for a given number of lines */ +#include "inspircd.h" struct HistoryItem { @@ -31,8 +35,23 @@ struct HistoryList class HistoryMode : public ModeHandler { + bool IsValidDuration(const std::string& duration) + { + for (std::string::const_iterator i = duration.begin(); i != duration.end(); ++i) + { + unsigned char c = *i; + if (((c >= '0') && (c <= '9')) || (c == 's') || (c == 'S')) + continue; + + if (duration_multi[c] == 1) + return false; + } + return true; + } + public: SimpleExtItem ext; + unsigned int maxlines; HistoryMode(Module* Creator) : ModeHandler(Creator, "history", 'H', PARAM_SETONLY, MODETYPE_CHANNEL), ext("history", Creator) { } @@ -43,17 +62,42 @@ class HistoryMode : public ModeHandler std::string::size_type colon = parameter.find(':'); if (colon == std::string::npos) return MODEACTION_DENY; - int len = atoi(parameter.substr(0, colon).c_str()); - int time = ServerInstance->Duration(parameter.substr(colon+1)); - if (len <= 0 || time < 0 || len > 50) + + std::string duration = parameter.substr(colon+1); + if ((IS_LOCAL(source)) && ((duration.length() > 10) || (!IsValidDuration(duration)))) + return MODEACTION_DENY; + + unsigned int len = ConvToInt(parameter.substr(0, colon)); + int time = InspIRCd::Duration(duration); + if (len == 0 || time < 0) return MODEACTION_DENY; - ext.set(channel, new HistoryList(len, time)); - channel->SetModeParam('H', parameter); + if (len > maxlines && IS_LOCAL(source)) + return MODEACTION_DENY; + if (len > maxlines) + len = maxlines; + if (parameter == channel->GetModeParameter(this)) + return MODEACTION_DENY; + + HistoryList* history = ext.get(channel); + if (history) + { + // Shrink the list if the new line number limit is lower than the old one + if (len < history->lines.size()) + history->lines.erase(history->lines.begin(), history->lines.begin() + (history->lines.size() - len)); + + history->maxlen = len; + history->maxtime = time; + } + else + { + ext.set(channel, new HistoryList(len, time)); + } } else { + if (!channel->IsModeSet(this)) + return MODEACTION_DENY; ext.unset(channel); - channel->SetModeParam('H', ""); } return MODEACTION_ALLOW; } @@ -62,49 +106,60 @@ class HistoryMode : public ModeHandler class ModuleChanHistory : public Module { HistoryMode m; + bool sendnotice; public: ModuleChanHistory() : m(this) { - if (!ServerInstance->Modes->AddMode(&m)) - throw ModuleException("Could not add new modes!"); + } - Implementation eventlist[] = { I_OnUserJoin, I_OnUserMessage }; - ServerInstance->Modules->Attach(eventlist, this, 2); + void init() CXX11_OVERRIDE + { + ServerInstance->Modules->AddService(m); + ServerInstance->Modules->AddService(m.ext); + + OnRehash(NULL); } - ~ModuleChanHistory() + void OnRehash(User*) CXX11_OVERRIDE { - ServerInstance->Modes->DelMode(&m); + ConfigTag* tag = ServerInstance->Config->ConfValue("chanhistory"); + m.maxlines = tag->getInt("maxlines", 50); + sendnotice = tag->getBool("notice", true); } - void OnUserMessage(User* user,void* dest,int target_type, const std::string &text, char status, const CUList&) + void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList&, MessageType msgtype) CXX11_OVERRIDE { - if (target_type == TYPE_CHANNEL && status == 0) + if ((target_type == TYPE_CHANNEL) && (status == 0) && (msgtype == MSG_PRIVMSG)) { Channel* c = (Channel*)dest; HistoryList* list = m.ext.get(c); if (list) { - char buf[MAXBUF]; - snprintf(buf, MAXBUF, ":%s PRIVMSG %s :%s", - user->GetFullHost().c_str(), c->name.c_str(), text.c_str()); - list->lines.push_back(HistoryItem(buf)); + const std::string line = ":" + user->GetFullHost() + " PRIVMSG " + c->name + " :" + text; + list->lines.push_back(HistoryItem(line)); if (list->lines.size() > list->maxlen) list->lines.pop_front(); } } } - void OnUserJoin(Membership* memb, bool sync, bool created, CUList& except_list) + void OnPostJoin(Membership* memb) CXX11_OVERRIDE { + if (IS_REMOTE(memb->user)) + return; + HistoryList* list = m.ext.get(memb->chan); if (!list) return; time_t mintime = 0; if (list->maxtime) mintime = ServerInstance->Time() - list->maxtime; - memb->user->WriteServ("NOTICE %s :Replaying up to %d lines of pre-join history spanning up to %d seconds", - memb->chan->name.c_str(), list->maxlen, list->maxtime); + + if (sendnotice) + { + memb->user->WriteNotice("Replaying up to " + ConvToStr(list->maxlen) + " lines of pre-join history spanning up to " + ConvToStr(list->maxtime) + " seconds"); + } + for(std::deque::iterator i = list->lines.begin(); i != list->lines.end(); ++i) { if (i->ts >= mintime) @@ -112,9 +167,9 @@ class ModuleChanHistory : public Module } } - Version GetVersion() + Version GetVersion() CXX11_OVERRIDE { - return Version("Provides channel history replayed on join", VF_COMMON | VF_VENDOR); + return Version("Provides channel history replayed on join", VF_VENDOR); } };