#include "xline.h"
#include "modules/regex.h"
-class ModuleFilter;
-
enum FilterFlags
{
FLAG_PART = 2,
class FilterResult
{
public:
+ Regex* regex;
std::string freeform;
std::string reason;
FilterAction action;
bool flag_notice;
bool flag_strip_color;
- FilterResult(const std::string& free, const std::string& rea, FilterAction act, long gt, const std::string& fla) :
- freeform(free), reason(rea), action(act), gline_time(gt)
+ FilterResult(dynamic_reference<RegexFactory>& RegexEngine, const std::string& free, const std::string& rea, FilterAction act, long gt, const std::string& fla)
+ : freeform(free), reason(rea), action(act), gline_time(gt)
{
+ if (!RegexEngine)
+ throw ModuleException("Regex module implementing '"+RegexEngine.GetProvider()+"' is not loaded!");
+ regex = RegexEngine->Create(free);
this->FillFlags(fla);
}
}
};
-class ImplFilter : public FilterResult
-{
- public:
- Regex* regex;
-
- ImplFilter(ModuleFilter* mymodule, const std::string &rea, FilterAction act, long glinetime, const std::string &pat, const std::string &flgs);
-};
-
-
class ModuleFilter : public Module
{
+ typedef insp::flat_set<std::string, irc::insensitive_swo> ExemptTargetSet;
+
bool initing;
RegexFactory* factory;
void FreeFilters();
CommandFilter filtcommand;
dynamic_reference<RegexFactory> RegexEngine;
- std::vector<ImplFilter> filters;
+ std::vector<FilterResult> filters;
int flags;
- std::set<std::string> exemptfromfilter; // List of channel names excluded from filtering.
+ // List of channel names excluded from filtering.
+ ExemptTargetSet exemptedchans;
+
+ // List of target nicknames excluded from filtering.
+ ExemptTargetSet exemptednicks;
ModuleFilter();
CullResult cull();
void ModuleFilter::FreeFilters()
{
- for (std::vector<ImplFilter>::const_iterator i = filters.begin(); i != filters.end(); ++i)
+ for (std::vector<FilterResult>::const_iterator i = filters.begin(); i != filters.end(); ++i)
delete i->regex;
filters.clear();
ModResult ModuleFilter::OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype)
{
- /* Leave ulines alone */
- if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user)))
+ // Leave remote users and servers alone
+ if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
flags = (msgtype == MSG_PRIVMSG) ? FLAG_PRIVMSG : FLAG_NOTICE;
if (target_type == TYPE_USER)
{
User* t = (User*)dest;
+ // Check if the target nick is exempted, if yes, ignore this message
+ if (exemptednicks.count(t->nick))
+ return MOD_RES_PASSTHRU;
+
target = t->nick;
}
else if (target_type == TYPE_CHANNEL)
{
Channel* t = (Channel*)dest;
- if (exemptfromfilter.find(t->name) != exemptfromfilter.end())
+ if (exemptedchans.count(t->name))
return MOD_RES_PASSTHRU;
target = t->name;
ModResult ModuleFilter::OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
{
- if (validated && IS_LOCAL(user))
+ if (validated)
{
flags = 0;
bool parting;
if (parameters.size() < 2)
return MOD_RES_PASSTHRU;
- if (exemptfromfilter.find(parameters[0]) != exemptfromfilter.end())
+ if (exemptedchans.count(parameters[0]))
return MOD_RES_PASSTHRU;
parting = true;
void ModuleFilter::ReadConfig(ConfigStatus& status)
{
ConfigTagList tags = ServerInstance->Config->ConfTags("exemptfromfilter");
- exemptfromfilter.clear();
+ exemptedchans.clear();
+ exemptednicks.clear();
+
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
- std::string chan = i->second->getString("channel");
- if (!chan.empty())
- exemptfromfilter.insert(chan);
+ ConfigTag* tag = i->second;
+
+ // If "target" is not found, try the old "channel" key to keep compatibility with 2.0 configs
+ const std::string target = tag->getString("target", tag->getString("channel"));
+ if (!target.empty())
+ {
+ if (target[0] == '#')
+ exemptedchans.insert(target);
+ else
+ exemptednicks.insert(target);
+ }
}
std::string newrxengine = ServerInstance->Config->ConfValue("filteropts")->getString("engine");
void ModuleFilter::OnSyncNetwork(ProtocolInterface::Server& server)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); ++i)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); ++i)
{
server.SendMetaData("filter", EncodeFilter(&(*i)));
}
}
catch (ModuleException& e)
{
- ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Error when unserializing filter: " + std::string(e.GetReason()));
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Error when unserializing filter: " + e.GetReason());
}
}
}
-ImplFilter::ImplFilter(ModuleFilter* mymodule, const std::string &rea, FilterAction act, long glinetime, const std::string &pat, const std::string &flgs)
- : FilterResult(pat, rea, act, glinetime, flgs)
-{
- if (!mymodule->RegexEngine)
- throw ModuleException("Regex module implementing '"+mymodule->RegexEngine.GetProvider()+"' is not loaded!");
- regex = mymodule->RegexEngine->Create(pat);
-}
-
FilterResult* ModuleFilter::FilterMatch(User* user, const std::string &text, int flgs)
{
static std::string stripped_text;
stripped_text.clear();
- for (std::vector<ImplFilter>::iterator index = filters.begin(); index != filters.end(); index++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); ++i)
{
- FilterResult* filter = dynamic_cast<FilterResult*>(&(*index));
+ FilterResult* filter = &*i;
/* Skip ones that dont apply to us */
if (!AppliesToMe(user, filter, flgs))
InspIRCd::StripColor(stripped_text);
}
- if (index->regex->Matches(filter->flag_strip_color ? stripped_text : text))
- return &*index;
+ if (filter->regex->Matches(filter->flag_strip_color ? stripped_text : text))
+ return filter;
}
return NULL;
}
bool ModuleFilter::DeleteFilter(const std::string &freeform)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); i++)
{
if (i->freeform == freeform)
{
std::pair<bool, std::string> ModuleFilter::AddFilter(const std::string &freeform, FilterAction type, const std::string &reason, long duration, const std::string &flgs)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); i++)
{
if (i->freeform == freeform)
{
try
{
- filters.push_back(ImplFilter(this, reason, type, duration, freeform, flgs));
+ filters.push_back(FilterResult(RegexEngine, freeform, reason, type, duration, flgs));
}
catch (ModuleException &e)
{
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error in regular expression '%s': %s", freeform.c_str(), e.GetReason());
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error in regular expression '%s': %s", freeform.c_str(), e.GetReason().c_str());
return std::make_pair(false, e.GetReason());
}
return std::make_pair(true, "");
try
{
- filters.push_back(ImplFilter(this, reason, fa, gline_time, pattern, flgs));
+ filters.push_back(FilterResult(RegexEngine, pattern, reason, fa, gline_time, flgs));
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Regular expression %s loaded.", pattern.c_str());
}
catch (ModuleException &e)
{
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error in regular expression '%s': %s", pattern.c_str(), e.GetReason());
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error in regular expression '%s': %s", pattern.c_str(), e.GetReason().c_str());
}
}
}
{
if (symbol == 's')
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ results.push_back("223 "+user->nick+" :"+RegexEngine.GetProvider()+":"+i->freeform+" "+i->GetFlags()+" "+FilterActionToString(i->action)+" "+ConvToStr(i->gline_time)+" :"+i->reason);
+ }
+ for (ExemptTargetSet::const_iterator i = exemptedchans.begin(); i != exemptedchans.end(); ++i)
{
- results.push_back(ServerInstance->Config->ServerName+" 223 "+user->nick+" :"+RegexEngine.GetProvider()+":"+i->freeform+" "+i->GetFlags()+" "+FilterActionToString(i->action)+" "+ConvToStr(i->gline_time)+" :"+i->reason);
+ results.push_back("223 "+user->nick+" :EXEMPT "+(*i));
}
- for (std::set<std::string>::iterator i = exemptfromfilter.begin(); i != exemptfromfilter.end(); ++i)
+ for (ExemptTargetSet::const_iterator i = exemptednicks.begin(); i != exemptednicks.end(); ++i)
{
- results.push_back(ServerInstance->Config->ServerName+" 223 "+user->nick+" :EXEMPT "+(*i));
+ results.push_back("223 "+user->nick+" :EXEMPT "+(*i));
}
}
return MOD_RES_PASSTHRU;