* | 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>
#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 */
+/* $LinkerFlags: -L/usr/local/lib -lpcre */
class ModuleFilterPCRE : public Module
{
int erroffset;
public:
- ModuleFilterPCRE()
+ ModuleFilterPCRE(Server* Me)
+ : Module::Module(Me)
{
// read the configuration file on startup.
- // it is perfectly valid to set <FilterPCRE file> to the value of the
+ // it is perfectly valid to set <filter file> to the value of the
// main config file, then append your <keyword> tags to the bottom
// of the main config... but rather messy. That's why the capability
// of using a seperate config file is provided.
- Srv = new Server;
+ Srv = Me;
Conf = new ConfigReader;
std::string filterfile = Conf->ReadValue("filter","file",0);
MyConf = new ConfigReader(filterfile);
if ((filterfile == "") || (!MyConf->Verify()))
{
- printf("Error, could not find <filter file=\"\"> definition in your config file!");
- log(DEFAULT,"Error, could not find <filter file=\"\"> definition in your config file!");
- return;
+ FilterPCREException e;
+ throw(e);
}
Srv->Log(DEFAULT,std::string("m_filter_pcre: read configuration from ")+filterfile);
virtual ~ModuleFilterPCRE()
{
- delete Srv;
- delete MyConf;
- delete Conf;
+ DELETE(MyConf);
+ DELETE(Conf);
}
-
+
+ void Implements(char* List)
+ {
+ List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
+ }
+
// format of a config entry is <keyword pattern="^regexp$" 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 (unsigned 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 (unsigned int index = 0; index < filters.size(); index++)
{
if (do_action == "kill")
{
- Srv->QuitUser(user,reason);
+ userrec::QuitUser(user,reason);
}
return 1;
}
return 0;
}
- virtual void OnRehash(std::string parameter)
+ virtual void OnRehash(const std::string ¶meter)
{
// 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());
+ }
+ }
}
{
}
- virtual Module * CreateModule()
+ virtual Module * CreateModule(Server* Me)
{
- return new ModuleFilterPCRE;
+ return new ModuleFilterPCRE(Me);
}
};