#include "inspircd.h"
-/* $ModDesc: Provides channel history for a given number of lines */
-
struct HistoryItem
{
time_t ts;
{
std::deque<HistoryItem> lines;
unsigned int maxlen, maxtime;
- HistoryList(unsigned int len, unsigned int time) : maxlen(len), maxtime(time) {}
+ std::string param;
+
+ HistoryList(unsigned int len, unsigned int time, const std::string& oparam)
+ : maxlen(len), maxtime(time), param(oparam) { }
};
-class HistoryMode : public ModeHandler
+class HistoryMode : public ParamMode<HistoryMode, SimpleExtItem<HistoryList> >
{
+ 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;
- int maxlines;
- HistoryMode(Module* Creator) : ModeHandler(Creator, "history", 'H', PARAM_SETONLY, MODETYPE_CHANNEL),
- ext("history", Creator) { }
+ unsigned int maxlines;
+ HistoryMode(Module* Creator)
+ : ParamMode<HistoryMode, SimpleExtItem<HistoryList> >(Creator, "history", 'H')
+ {
+ }
- ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
+ ModeAction OnSet(User* source, Channel* channel, std::string& parameter)
{
- if (adding)
+ std::string::size_type colon = parameter.find(':');
+ if (colon == std::string::npos)
+ return MODEACTION_DENY;
+
+ std::string duration(parameter, 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;
+ if (len > maxlines && IS_LOCAL(source))
+ return MODEACTION_DENY;
+ if (len > maxlines)
+ len = maxlines;
+
+ HistoryList* history = ext.get(channel);
+ if (history)
{
- 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)
- 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;
- ext.set(channel, new HistoryList(len, time));
- channel->SetModeParam('H', parameter);
+ // 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;
+ history->param = parameter;
}
else
{
- if (!channel->IsModeSet('H'))
- return MODEACTION_DENY;
- ext.unset(channel);
- channel->SetModeParam('H', "");
+ ext.set(channel, new HistoryList(len, time, parameter));
}
return MODEACTION_ALLOW;
}
+
+ void SerializeParam(Channel* chan, const HistoryList* history, std::string& out)
+ {
+ out.append(history->param);
+ }
};
class ModuleChanHistory : public Module
{
HistoryMode m;
+ bool sendnotice;
+ UserModeReference botmode;
+ bool dobots;
public:
- ModuleChanHistory() : m(this)
+ ModuleChanHistory() : m(this), botmode(this, "bot")
{
}
- void init()
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- ServerInstance->Modules->AddService(m);
-
- Implementation eventlist[] = { I_OnPostJoin, I_OnUserMessage, I_OnRehash };
- ServerInstance->Modules->Attach(eventlist, this, 3);
- OnRehash(NULL);
+ ConfigTag* tag = ServerInstance->Config->ConfValue("chanhistory");
+ m.maxlines = tag->getInt("maxlines", 50);
+ sendnotice = tag->getBool("notice", true);
+ dobots = tag->getBool("bots", true);
}
- void OnRehash(User*)
+ void OnUserMessage(User* user, void* dest, int target_type, const std::string &text, char status, const CUList&, MessageType msgtype) CXX11_OVERRIDE
{
- m.maxlines = ServerInstance->Config->ConfValue("chanhistory")->getInt("maxlines", 50);
- }
-
- ~ModuleChanHistory()
- {
- ServerInstance->Modes->DelMode(&m);
- }
-
- void OnUserMessage(User* user,void* dest,int target_type, const std::string &text, char status, const CUList&)
- {
- 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 OnPostJoin(Membership* memb)
+ void OnPostJoin(Membership* memb) CXX11_OVERRIDE
{
+ if (IS_REMOTE(memb->user))
+ return;
+
+ if (memb->user->IsModeSet(botmode) && !dobots)
+ 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<HistoryItem>::iterator i = list->lines.begin(); i != list->lines.end(); ++i)
{
if (i->ts >= mintime)
}
}
- Version GetVersion()
+ Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides channel history replayed on join", VF_VENDOR);
}