Chat Filter

code/controllers/configuration/configuration.dm

@@ -19,7 +19,7 @@
 	var/motd
 	var/policy
 
-	var/static/regex/ic_filter_regex
+	var/static/regex/word_filter_regex
 
 	var/is_loaded = FALSE
 
@@ -315,21 +315,21 @@
 
 
 /datum/controller/configuration/proc/LoadChatFilter()
-	var/list/in_character_filter = list()
+	var/list/word_filter = list()
 
-	if(!fexists("[directory]/in_character_filter.txt"))
+	if(!fexists("[directory]/word_filter.txt"))
 		return
 
-	log_config("Loading config file in_character_filter.txt...")
+	log_config("Loading config file word_filter.txt...")
 
-	for(var/line in file2list("[directory]/in_character_filter.txt"))
+	for(var/line in file2list("[directory]/word_filter.txt"))
 		if(!line)
 			continue
 		if(findtextEx(line,"#",1,2))
 			continue
-		in_character_filter += REGEX_QUOTE(line)
+		word_filter += REGEX_QUOTE(line)
 
-	ic_filter_regex = length(in_character_filter) ? regex("\\b([jointext(in_character_filter, "|")])\\b", "i") : null
+	word_filter_regex = length(word_filter) ? regex("\\b([jointext(word_filter, "|")])\\b", "i") : null
 
 //Message admins when you can.
 /datum/controller/configuration/proc/DelayedMessageAdmins(text)

code/game/verbs/ooc.dm

@@ -7,6 +7,9 @@
 		to_chat(src, "Guests may not use OOC.")
 		return
 
+	if(!filter_message(src, msg))
+		return
+
 	msg = trim(strip_html(msg))
 	if(!msg) return
 
@@ -101,6 +104,9 @@
 		to_chat(src, "Guests may not use LOOC.")
 		return
 
+	if(!filter_message(src, msg))
+		return
+
 	msg = trim(strip_html(msg))
 	if(!msg) return
 

code/modules/mob/dead/observer/say.dm

@@ -12,6 +12,9 @@
 		if (src.client.handle_spam_prevention(message, MUTE_DEADCHAT))
 			return
 
+	if(!filter_message(client, message))
+		return
+
 	. = src.say_dead(message)
 
 

code/modules/mob/living/say.dm

@@ -62,6 +62,24 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 /proc/prefix_to_channel(prefix)
 	return GLOB.department_radio_keys[prefix]
 
+/proc/filter_message(client/user, message)
+	if(!config.word_filter_regex)
+		return TRUE
+
+	if(config.word_filter_regex.Find(message))
+		to_chat(user,
+			html = "\n<font color='red' size='4'><b>-- Word Filter Message --</b></font>",
+			)
+		to_chat(user,
+			type = MESSAGE_TYPE_ADMINPM,
+			html = "\n<font color='red' size='4'><b>Your message has been automatically filtered due to its contents. Trying to circumvent this filter will get you banned.</b></font>",
+			)
+		SEND_SOUND(user, sound('sound/effects/adminhelp_new.ogg'))
+		log_admin("[user.ckey] triggered the chat filter with the following message: [message].")
+		return FALSE
+
+	return TRUE
+
 ///Shows custom speech bubbles for screaming, *warcry etc.
 /mob/living/proc/show_speech_bubble(bubble_name, bubble_type = bubble_icon)
 
@@ -81,6 +99,9 @@ GLOBAL_LIST_INIT(department_radio_keys, list(
 
 	if(SEND_SIGNAL(src, COMSIG_LIVING_SPEAK, message, speaking, verb, alt_name, italics, message_range, speech_sound, sound_vol, nolog, message_mode) & COMPONENT_OVERRIDE_SPEAK) return
 
+	if(!filter_message(src, message))
+		return
+
 	message = process_chat_markup(message, list("~", "_"))
 
 	for(var/dst=0; dst<=1; dst++) //Will run twice if src has a clone

config/example/config.txt

@@ -257,4 +257,4 @@ CLIENT_ERROR_VERSION 514
 ## GITHUB API
 #GITHUB_APP_API
 #REPO_NAME cmss13
-#ORG cmss13-devs
+#ORG cmss13-devs

config/example/word_filter.txt

@@ -0,0 +1 @@
+# Words that should be filtered from being said, both IC and OOC, should be included here, one per line. Case insensitive.