-/* +------------------------------------+
- * | 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 <danieldg@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 channel history for a given number of lines */
struct HistoryList
{
std::deque<HistoryItem> lines;
- unsigned int max;
- HistoryList(unsigned int Max) : max(Max) {}
+ unsigned int maxlen, maxtime;
+ HistoryList(unsigned int len, unsigned int time) : maxlen(len), maxtime(time) {}
};
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<HistoryList> ext;
+ unsigned int maxlines;
HistoryMode(Module* Creator) : ModeHandler(Creator, "history", 'H', PARAM_SETONLY, MODETYPE_CHANNEL),
ext("history", Creator) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
- int max = atoi(parameter.c_str());
- if (adding && max == 0)
- return MODEACTION_DENY;
if (adding)
{
- ext.set(channel, new HistoryList(max));
+ std::string::size_type colon = parameter.find(':');
+ if (colon == std::string::npos)
+ return MODEACTION_DENY;
+
+ 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 = ServerInstance->Duration(duration);
+ if (len == 0 || time < 0)
+ return MODEACTION_DENY;
+ 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));
+ }
channel->SetModeParam('H', parameter);
}
else
{
+ if (!channel->IsModeSet('H'))
+ return MODEACTION_DENY;
ext.unset(channel);
channel->SetModeParam('H', "");
}
class ModuleChanHistory : public Module
{
HistoryMode m;
-
+ bool sendnotice;
public:
-
ModuleChanHistory() : m(this)
{
- if (!ServerInstance->Modes->AddMode(&m))
- throw ModuleException("Could not add new modes!");
+ }
+
+ void init()
+ {
+ ServerInstance->Modules->AddService(m);
+ ServerInstance->Modules->AddService(m.ext);
+
+ Implementation eventlist[] = { I_OnPostJoin, I_OnUserMessage, I_OnRehash };
+ ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
+ OnRehash(NULL);
+ }
- Implementation eventlist[] = { I_OnUserJoin, I_OnUserMessage };
- ServerInstance->Modules->Attach(eventlist, this, 2);
+ void OnRehash(User*)
+ {
+ 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&)
snprintf(buf, MAXBUF, ":%s PRIVMSG %s :%s",
user->GetFullHost().c_str(), c->name.c_str(), text.c_str());
list->lines.push_back(HistoryItem(buf));
- if (list->lines.size() > list->max)
+ 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)
{
+ 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;
+
+ if (sendnotice)
+ {
+ 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);
+ }
+
for(std::deque<HistoryItem>::iterator i = list->lines.begin(); i != list->lines.end(); ++i)
- memb->user->Write(i->line);
+ {
+ if (i->ts >= mintime)
+ memb->user->Write(i->line);
+ }
}
Version GetVersion()
{
- return Version("Provides channel history replayed on join", VF_COMMON | VF_VENDOR);
+ return Version("Provides channel history replayed on join", VF_VENDOR);
}
};
projects / user / henk / code / inspircd.git / blobdiff