]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/extra/m_filter_pcre.cpp
kill_link() and Server::QuitUser() -> userrec::QuitUser() (static member) - this...
[user/henk/code/inspircd.git] / src / modules / extra / m_filter_pcre.cpp
index 2619b7b216426f3db167f68d3b3d13f2dad4aedf..a658a60b6b879a364643f644e79ede3b354f9e9a 100644 (file)
@@ -2,7 +2,7 @@
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ *  InspIRCd is copyright (C) 2002-2004 ChatSpike-Dev.
  *                       E-mail:
  *                <brain@chatspike.net>
  *               <Craig@chatspike.net>
@@ -28,8 +28,18 @@ using namespace std;
 #include "modules.h"
 #include "helperfuncs.h"
 
+class FilterPCREException : public ModuleException
+{
+ public:
+       virtual const char* GetReason()
+       {
+               return "Could not find <filter file=\"\"> definition in your config file!";
+       }
+};
+
 /* $ModDesc: m_filter with regexps */
-/* $CompileFlags: -I/usr/local/include -L/usr/local/lib -lpcre */
+/* $CompileFlags: -I/usr/local/include */
+/* $LinkerFlags: -L/usr/local/lib -lpcre */
 
 class ModuleFilterPCRE : public Module
 {
@@ -41,22 +51,22 @@ class ModuleFilterPCRE : public Module
        int erroffset;
  
  public:
-       ModuleFilterPCRE()
+       ModuleFilterPCRE(Server* Me)
+               : Module::Module(Me)
        {
                // read the configuration file on startup.
-               // it is perfectly valid to set <FilterPCRE file> to the value of the
+               // 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;
+               Srv = Me;
                Conf = new ConfigReader;
                std::string filterfile = Conf->ReadValue("filter","file",0);
                MyConf = new ConfigReader(filterfile);
                if ((filterfile == "") || (!MyConf->Verify()))
                {
-                       printf("Error, could not find <filter file=\"\"> definition in your config file!");
-                       log(DEFAULT,"Error, could not find <filter file=\"\"> definition in your config file!");
-                       return;
+                       FilterPCREException e;
+                       throw(e);
                }
                Srv->Log(DEFAULT,std::string("m_filter_pcre: read configuration from ")+filterfile);
 
@@ -81,63 +91,25 @@ class ModuleFilterPCRE : public Module
        
        virtual ~ModuleFilterPCRE()
        {
-               delete Srv;
-               delete MyConf;
-               delete Conf;
+               DELETE(MyConf);
+               DELETE(Conf);
        }
-       
+
+       void Implements(char* List)
+       {
+               List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
+       }
+
        // format of a config entry is <keyword pattern="^regexp$" reason="Some reason here" action="kill/block">
        
-       virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text)
+       virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
        {
-               for (int index = 0; index < filters.size(); index++)
-               {
-                       if (pcre_exec(filters[index],NULL,text.c_str(),text.length(),0,0,NULL,0) > -1)
-                       {
-                               std::string target = "";
-                               std::string reason = MyConf->ReadValue("keyword","reason",index);
-                               std::string do_action = MyConf->ReadValue("keyword","action",index);
-
-                               if (do_action == "")
-                                       do_action = "none";
-
-                               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);
-                               }
-                               if (do_action == "block")
-                               {       
-                                       Srv->SendOpers(std::string("FilterPCRE: ")+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);
-                               }
-
-                               Srv->Log(DEFAULT,std::string("Filter: ")+std::string(user->nick)+
-                                               std::string(" had their message filtered, target was ")+
-                                               target+": "+reason+" Action: "+do_action);
-
-                               if (do_action == "kill")
-                               {
-                                       Srv->QuitUser(user,reason);
-                               }
-                               return 1;
-                       }
-               }
-               return 0;
+               return OnUserPreNotice(user,dest,target_type,text,status);
        }
        
-       virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text)
+       virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
        {
-               for (int index = 0; index < filters.size(); index++)
+               for (unsigned int index = 0; index < filters.size(); index++)
                {
                        if (pcre_exec(filters[index],NULL,text.c_str(),text.length(),0,0,NULL,0) > -1)
                        {
@@ -172,7 +144,7 @@ class ModuleFilterPCRE : public Module
 
                                if (do_action == "kill")
                                {
-                                       Srv->QuitUser(user,reason);
+                                       userrec::QuitUser(user,reason);
                                }
                                return 1;
                        }
@@ -180,41 +152,40 @@ class ModuleFilterPCRE : public Module
                return 0;
        }
        
-       virtual void OnRehash()
+       virtual void OnRehash(const std::string &parameter)
        {
                // 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;
+               DELETE(Conf);
+               DELETE(MyConf);
                Conf = new ConfigReader;
                std::string filterfile = Conf->ReadValue("filter","file",0);
                // this automatically re-reads the configuration file into the class
                MyConf = new ConfigReader(filterfile);
                if ((filterfile == "") || (!MyConf->Verify()))
                {
+                       FilterPCREException e;
                        // bail if the user forgot to create a config file
-                       printf("Error, could not find <filter file=\"\"> definition in your config file!");
-                       log(DEFAULT,"Error, could not find <filter file=\"\"> definition in your config file!");
-                       return;
+                       throw(e);
                }
                Srv->Log(DEFAULT,std::string("m_filter_pcre: read configuration from ")+filterfile);
 
-                filters.clear();
-                for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
-                {
-                        std::string pattern = MyConf->ReadValue("keyword","pattern",index);
-                        re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);
-                        if (!re)
-                        {
-                                log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);
-                                log(DEFAULT,"Regular expression %s not loaded.", pattern.c_str());
-                        }
-                        else
-                        {
-                                filters.push_back(re);
-                                log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
-                        }
-                }
+               filters.clear();
+               for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
+               {
+                       std::string pattern = MyConf->ReadValue("keyword","pattern",index);
+                       re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);
+                       if (!re)
+                       {
+                               log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);
+                               log(DEFAULT,"Regular expression %s not loaded.", pattern.c_str());
+                       }
+                       else
+                       {
+                               filters.push_back(re);
+                               log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
+                       }
+               }
 
        }
        
@@ -239,9 +210,9 @@ class ModuleFilterPCREFactory : public ModuleFactory
        {
        }
        
-       virtual Module * CreateModule()
+       virtual Module * CreateModule(Server* Me)
        {
-               return new ModuleFilterPCRE;
+               return new ModuleFilterPCRE(Me);
        }
        
 };