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-rw-r--r--src/modules/m_filter.cpp163
1 files changed, 163 insertions, 0 deletions
diff --git a/src/modules/m_filter.cpp b/src/modules/m_filter.cpp
new file mode 100644
index 000000000..d2714ee01
--- /dev/null
+++ b/src/modules/m_filter.cpp
@@ -0,0 +1,163 @@
+// 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 <stdio.h>
+#include <string>
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+
+/* $ModDesc: An enhanced version of the unreal m_filter.so used by chatspike.net */
+
+
+
+class ModuleFilter : public Module
+{
+ Server *Srv;
+ ConfigReader *Conf, *MyConf;
+
+ public:
+ ModuleFilter()
+ {
+ // 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);
+ }
+
+ 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)
+ {
+ text = text + " ";
+ for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
+ {
+ std::string pattern = MyConf->ReadValue("keyword","pattern",index);
+ if (Srv->MatchText(text,pattern))
+ {
+ std::string target = "";
+ 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+": "+MyConf->ReadValue("keyword","reason",index));
+ Srv->Log(DEFAULT,std::string("FILTER: ")+std::string(user->nick)+
+ std::string(" had their message filtered, target was ")+
+ target+": "+MyConf->ReadValue("keyword","reason",index));
+ return 1;
+ }
+ }
+ return 0;
+ }
+
+ virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string text)
+ {
+ text = text + " ";
+ for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
+ {
+ std::string pattern = MyConf->ReadValue("keyword","pattern",index);
+ if (Srv->MatchText(text,pattern))
+ {
+ std::string target = "";
+ 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));
+ return 1;
+ }
+ }
+ return 0;
+ }
+
+ virtual void OnRehash()
+ {
+ // 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 == "")
+ {
+ // 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 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()
+ {
+ // This is version 2 because version 1.x is the unreleased unrealircd module
+ return Version(2,0,0,0);
+ }
+
+};
+
+// stuff down here is the module-factory stuff. For basic modules you can ignore this.
+
+class ModuleFilterFactory : public ModuleFactory
+{
+ public:
+ ModuleFilterFactory()
+ {
+ }
+
+ ~ModuleFilterFactory()
+ {
+ }
+
+ virtual Module * CreateModule()
+ {
+ return new ModuleFilter;
+ }
+
+};
+
+
+extern "C" void * init_module( void )
+{
+ return new ModuleFilterFactory;
+}
+