Added m_censor.cpp mode +G module

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@822 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 200 insertions, 0 deletions

diff --git a/src/modules/m_censor.cpp b/src/modules/m_censor.cpp
new file mode 100644
index 000000000..40e4ee92b
--- /dev/null
+++ b/src/modules/m_censor.cpp
@@ -0,0 +1,200 @@
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  Inspire is copyright (C) 2002-2004 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.
+ *
+ * ---------------------------------------------------
+ */
+
+#include <stdio.h>
+#include <string>
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+
+/* $ModDesc: Provides user and channel +G mode */
+
+class ModuleCensor : public Module
+{
+ Server *Srv;
+ ConfigReader *Conf, *MyConf;
+ 
+ public:
+	ModuleCensor()
+	{
+		// read the configuration file on startup.
+		// it is perfectly valid to set <censor file> to the value of the
+		// main config file, then append your <badword> 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 Censorfile = Conf->ReadValue("censor","file",0);
+		MyConf = new ConfigReader(Censorfile);
+		if ((Censorfile == "") || (!MyConf->Verify()))
+		{
+			printf("Error, could not find <censor file=\"\"> definition in your config file!");
+			exit(0);
+		}
+		Srv->Log(DEFAULT,std::string("m_censor: read configuration from ")+Censorfile);
+		Srv->AddExtendedMode('G',MT_CHANNEL,false,0,0);
+		Srv->AddExtendedMode('G',MT_CLIENT,false,0,0);
+	}
+
+	virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params)
+	{
+		// check if this is our mode character...
+		if (modechar == 'G')
+  		{
+			return 1;
+		}
+		else
+		{
+			return 0;
+		}
+	}
+ 	
+	virtual ~ModuleCensor()
+	{
+		delete Srv;
+		delete MyConf;
+		delete Conf;
+	}
+	
+	virtual void ReplaceLine(std::string &text,std::string pattern, std::string replace)
+	{
+		while (strstr(text.c_str(),pattern.c_str()))
+		{
+			int pos = text.find(pattern);
+			text.erase(pos,pattern.length());
+			text.insert(pos,replace);
+		}
+	}
+	
+	// format of a config entry is <badword text="shit" replace="poo">
+	
+	virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text)
+	{
+		bool active = false;
+		for (int index = 0; index < MyConf->Enumerate("badword"); index++)
+		{
+			std::string pattern = MyConf->ReadValue("badword","text",index);
+			if (strstr(text.c_str(),pattern.c_str()))
+			{
+				std::string replace = MyConf->ReadValue("badword","replace",index);
+
+				if (target_type == TYPE_USER)
+				{
+					userrec* t = (userrec*)dest;
+					active = (strchr(t->modes,'G') > 0);
+				}
+				else if (target_type == TYPE_CHANNEL)
+				{
+					chanrec* t = (chanrec*)dest;
+					active = (t->IsCustomModeSet('G'));
+				}
+				
+				if (active)
+				{
+					this->ReplaceLine(text,pattern,replace);
+				}
+				
+				return 0;
+			}
+		}
+		return 0;
+	}
+	
+	virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text)
+	{
+		bool active = false;
+		for (int index = 0; index < MyConf->Enumerate("badword"); index++)
+		{
+			std::string pattern = MyConf->ReadValue("badword","text",index);
+			if (strstr(text.c_str(),pattern.c_str()))
+			{
+				std::string replace = MyConf->ReadValue("badword","replace",index);
+
+				if (target_type == TYPE_USER)
+				{
+					userrec* t = (userrec*)dest;
+					active = (strchr(t->modes,'G') > 0);
+				}
+				else if (target_type == TYPE_CHANNEL)
+				{
+					chanrec* t = (chanrec*)dest;
+					active = (t->IsCustomModeSet('G'));
+				}
+				
+				if (active)
+				{
+					this->ReplaceLine(text,pattern,replace);
+				}
+				
+				return 0;
+			}
+		}
+		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 Censorfile = Conf->ReadValue("censor","file",0);
+		// this automatically re-reads the configuration file into the class
+		MyConf = new ConfigReader(Censorfile);
+		if ((Censorfile == "") || (!MyConf->Verify()))
+		{
+			// bail if the user forgot to create a config file
+			printf("Error, could not find <censor file=\"\"> definition in your config file!");
+			exit(0);
+		}
+		Srv->Log(DEFAULT,std::string("m_censor: read configuration from ")+Censorfile);
+	}
+	
+	virtual Version GetVersion()
+	{
+		// This is version 2 because version 1.x is the unreleased unrealircd module
+		return Version(1,0,0,0);
+	}
+	
+};
+
+// stuff down here is the module-factory stuff. For basic modules you can ignore this.
+
+class ModuleCensorFactory : public ModuleFactory
+{
+ public:
+	ModuleCensorFactory()
+	{
+	}
+	
+	~ModuleCensorFactory()
+	{
+	}
+	
+	virtual Module * CreateModule()
+	{
+		return new ModuleCensor;
+	}
+	
+};
+
+
+extern "C" void * init_module( void )
+{
+	return new ModuleCensorFactory;
+}
+