]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_filter.cpp
Add extra parameter to OnUserPreNotice and OnUserPrePrivmsg, CUList &exempt_list...
[user/henk/code/inspircd.git] / src / modules / m_filter.cpp
index d208e7a5a13e1680790da37af9498f172bc7dea5..1074b27bb913873056b1b0ad9a1d1309e123411c 100644 (file)
@@ -1,3 +1,21 @@
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
+ *                       E-mail:
+ *                <brain@chatspike.net>
+ *               <Craig@chatspike.net>
+ *     
+ * Written by Craig Edwards, Craig McLure, and others.
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+using namespace std;
+
 // Message and notice filtering using glob patterns
 // a module based on the original work done by Craig Edwards in 2003
 // for the chatspike network.
 #include "users.h"
 #include "channels.h"
 #include "modules.h"
+#include "inspircd.h"
+#include "m_filter.h"
 
-/* $ModDesc: An enhanced version of the unreal m_filter.so used by chatspike.net */
+/* $ModDesc: An advanced spam filtering module */
+/* $ModDep: m_filter.h */
 
-        
+typedef std::map<std::string,FilterResult*> filter_t;
 
-class ModuleFilter : public Module
+class ModuleFilter : public FilterBase
 {
- Server *Srv;
- ConfigReader *Conf, *MyConf;
  
+ filter_t filters;
+
  public:
-       ModuleFilter()
+       ModuleFilter(InspIRCd* Me)
+       : FilterBase::FilterBase(Me, "m_filter.so")
        {
-               // read the configuration file on startup.
-               // it is perfectly valid to set <filter file> to the value of the
-               // main config file, then append your <keyword> tags to the bottom
-               // of the main config... but rather messy. That's why the capability
-               // of using a seperate config file is provided.
-               Srv = new Server;
-               Conf = new ConfigReader;
-               std::string filterfile = Conf->ReadValue("filter","file",0);
-               if (filterfile == "")
-               {
-                       printf("Error, could not find <filter file=\"\"> definition in your config file!");
-                       exit(0);
-               }
-               MyConf = new ConfigReader(filterfile);
-               Srv->Log(DEFAULT,std::string("m_filter: read configuration from ")+filterfile);
+               OnRehash("");
        }
        
        virtual ~ModuleFilter()
        {
-               delete Srv;
-               delete MyConf;
-               delete Conf;
        }
-       
-       // format of a config entry is <keyword pattern="*glob*" reason="Some reason here">
-       
-       virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string text)
+
+       virtual FilterResult* FilterMatch(const std::string &text)
        {
-               text = text + " ";
-               for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
+               std::string text2 = text+" ";
+               for (filter_t::iterator index = filters.begin(); index != filters.end(); index++)
                {
-                       std::string pattern = MyConf->ReadValue("keyword","pattern",index);
-                       if (Srv->MatchText(text,pattern))
+                       if ((ServerInstance->MatchText(text2,index->first)) || (ServerInstance->MatchText(text,index->first)))
                        {
-                               std::string target = "";
-                               std::string reason = MyConf->ReadValue("keyword","reason",index);
-                               if (target_type == TYPE_USER)
-                               {
-                                       userrec* t = (userrec*)dest;
-                                       target = std::string(t->nick);
-                               }
-                               else if (target_type == TYPE_CHANNEL)
-                               {
-                                       chanrec* t = (chanrec*)dest;
-                                       target = std::string(t->name);
-                               }
-                               Srv->SendOpers(std::string("FILTER: ")+std::string(user->nick)+
-                                               std::string(" had their message filtered, target was ")+
-                                               target+": "+reason);
-                               Srv->Log(DEFAULT,std::string("FILTER: ")+std::string(user->nick)+
-                                               std::string(" had their message filtered, target was ")+
-                                               target+": "+reason);
-                               // this form of SendTo (with the source as NuLL) sends a server notice
-                               Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+
-                                               " :Your message has been filtered and opers notified: "+reason);
-                               return 1;
+                               return index->second;
                        }
                }
-               return 0;
+               return NULL;
        }
-       
-       virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string text)
+
+       virtual bool DeleteFilter(const std::string &freeform)
        {
-               text = text + " ";
-               for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
+               if (filters.find(freeform) != filters.end())
                {
-                       std::string pattern = MyConf->ReadValue("keyword","pattern",index);
-                       if (Srv->MatchText(text,pattern))
-                       {
-                               std::string target = "";
-                               std::string reason = MyConf->ReadValue("keyword","reason",index);
-                               if (target_type == TYPE_USER)
-                               {
-                                       userrec* t = (userrec*)dest;
-                                       target = std::string(t->nick);
-                               }
-                               else if (target_type == TYPE_CHANNEL)
-                               {
-                                       chanrec* t = (chanrec*)dest;
-                                       target = std::string(t->name);
-                               }
-                               Srv->SendOpers(std::string("FILTER: ")+std::string(user->nick)+
-                                               std::string(" had their notice filtered, target was ")+
-                                               target+": "+MyConf->ReadValue("keyword","reason",index));
-                               Srv->Log(DEFAULT,std::string("FILTER: ")+std::string(user->nick)+
-                                               std::string(" had their notice filtered, target was ")+
-                                               target+": "+MyConf->ReadValue("keyword","reason",index));
-                               Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+
-                                               " :Your notice has been filtered and opers notified: "+reason);
-                               return 1;
-                       }
+                       delete (filters.find(freeform))->second;
+                       filters.erase(filters.find(freeform));
+                       return true;
                }
-               return 0;
+               return false;
        }
-       
-       virtual void OnRehash()
+
+       virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration)
+       {
+               if (filters.find(freeform) != filters.end())
+               {
+                       return std::make_pair(false, "Filter already exists");
+               }
+
+               FilterResult* x = new FilterResult;
+               x->reason = reason;
+               x->action = type;
+               x->gline_time = duration;
+               x->freeform = freeform;
+               filters[freeform] = x;
+
+               return std::make_pair(true, "");
+       }
+
+       virtual void SyncFilters(Module* proto, void* opaque)
        {
-               // reload our config file on rehash - we must destroy and re-allocate the classes
-               // to call the constructor again and re-read our data.
-               delete Conf;
-               delete MyConf;
-               Conf = new ConfigReader;
-               std::string filterfile = Conf->ReadValue("filter","file",0);
-               if (filterfile == "")
+               for (filter_t::iterator n = filters.begin(); n != filters.end(); n++)
                {
-                       // bail if the user forgot to create a config file
-                       printf("Error, could not find <filter file=\"\"> definition in your config file!");
-                       exit(0);
+                       this->SendFilter(proto, opaque, n->second);
                }
-               // this automatically re-reads the configuration file into the class
-               MyConf = new ConfigReader(filterfile);
-               Srv->Log(DEFAULT,std::string("m_filter: read configuration from ")+filterfile);
        }
-       
-       virtual Version GetVersion()
+
+       virtual void OnRehash(const std::string &parameter)
+       {
+               ConfigReader* MyConf = new ConfigReader(ServerInstance);
+
+               for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
+               {
+                       this->DeleteFilter(MyConf->ReadValue("keyword","pattern",index));
+
+                       std::string pattern = MyConf->ReadValue("keyword","pattern",index);
+                       std::string reason = MyConf->ReadValue("keyword","reason",index);
+                       std::string do_action = MyConf->ReadValue("keyword","action",index);
+                       long gline_time = ServerInstance->Duration(MyConf->ReadValue("keyword","duration",index).c_str());
+                       if (do_action == "")
+                               do_action = "none";
+                       FilterResult* x = new FilterResult;
+                       x->reason = reason;
+                       x->action = do_action;
+                       x->gline_time = gline_time;
+                       x->freeform = pattern;
+                       filters[pattern] = x;
+               }
+               DELETE(MyConf);
+       }
+
+       virtual int OnStats(char symbol, userrec* user, string_list &results)
        {
-               // This is version 2 because version 1.x is the unreleased unrealircd module
-               return Version(2,0,0,0);
+               if (symbol == 's')
+               {
+                       std::string sn = ServerInstance->Config->ServerName;
+                       for (filter_t::iterator n = filters.begin(); n != filters.end(); n++)
+                       {
+                               results.push_back(sn+" 223 "+user->nick+" :GLOB:"+n->second->freeform+" "+n->second->action+" "+ConvToStr(n->second->gline_time)+" :"+n->second->reason);
+                       }
+               }
+               return 0;
        }
-       
 };
 
 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
@@ -155,9 +149,9 @@ class ModuleFilterFactory : public ModuleFactory
        {
        }
        
-       virtual Module * CreateModule()
+       virtual Module * CreateModule(InspIRCd* Me)
        {
-               return new ModuleFilter;
+               return new ModuleFilter(Me);
        }
        
 };