From: Egor <egor@patchysicp.xyz>
Date: Sat, 17 Aug 2024 22:07:55 +0000 (+0300)
Subject: spam.lua: refactor basic filters
X-Git-Url: https://git.patchysicp.xyz/?a=commitdiff_plain;h=cd27316f959b0ab595bcbbe5e099da11b1a918e9;p=patchyircd.git

spam.lua: refactor basic filters
---

diff --git a/lua/spam.lua b/lua/spam.lua
index 488b3d4..bb73106 100644
--- a/lua/spam.lua
+++ b/lua/spam.lua
@@ -6,22 +6,8 @@ local function ascii(txt)
 	txt = txt:gsub("[^ -~]", ""):lower()
 	return txt
 end
-function setspamlevel(newlevel)
-	spamlevel = newlevel
-	hook_add("sendtochannel", "supernets_filter", spamlevel >= 10 and function(hook, cl1, cl2, chan, txt)
-		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
-			return 0
-		end
-		if cl1.umode & 8 ~= 0 then -- UMODE_REGISTERED
-			return 0
-		end
-		txt = ascii(txt)
-		if not chan.v[cl1.key] and not chan.o[cl1.key] and
-			txt:find("irc.supernets.org", 1, true) then
-			return -1
-		end
-	end)
-	hook_add("sendtoclient", "supernets_pm_filter", spamlevel >= 10 and function(hook, cl1, cl2, chan, txt)
+local function simple_filter(id, badword, level)
+	hook_add("sendtochannel", id.."_filter", spamlevel >= level and function(hook, cl1, cl2, chan, txt)
 		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
 			return 0
 		end
@@ -29,11 +15,11 @@ function setspamlevel(newlevel)
 			return 0
 		end
 		txt = ascii(txt)
-		if txt:find("irc.supernets.org", 1, true) then
+		if not chan.v[cl1.key] and not chan.o[cl1.key] and txt:find(badword, 1, true) then
 			return -1
 		end
 	end)
-	hook_add("sendtochannel", "hardchats_filter", spamlevel >= 10 and function(hook, cl1, cl2, chan, txt)
+	hook_add("sendtoclient", id.."_pm_filter", spamlevel >= level and function(hook, cl1, cl2, chan, txt)
 		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
 			return 0
 		end
@@ -41,48 +27,16 @@ function setspamlevel(newlevel)
 			return 0
 		end
 		txt = ascii(txt)
-		if txt:find("hardchats.com", 1, true) or txt:find("hardchat", 1, true) then
-			return -1
-		end
-	end)
-	hook_add("sendtoclient", "hardchats_pm_filter", spamlevel >= 10 and function(hook, cl1, cl2, chan, txt)
-		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
-			return 0
-		end
-		if cl1.umode & 8 ~= 0 then -- UMODE_REGISTERED
-			return 0
-		end
-		txt = ascii(txt)
-		if not chan.v[cl1.key] and not chan.o[cl1.key] and
-			(txt:find("hardchats.com", 1, true) or txt:find("hardchat", 1, true)) then
-			return -1
-		end
-	end)
-	hook_add("sendtochannel", "l0de_radio_hour_filter", spamlevel >= 10 and function(hook, cl1, cl2, chan, txt)
-		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
-			return 0
-		end
-		if cl1.umode & 8 ~= 0 then -- UMODE_REGISTERED
-			return 0
-		end
-		txt = ascii(txt)
-		if not chan.v[cl1.key] and not chan.o[cl1.key] and
-			(txt:find("1-877-293-1933", 1, true)) then
-			return -1
-		end
-	end)
-	hook_add("sendtoclient", "l0de_radio_hour_pm_filter", spamlevel >= 10 and function(hook, cl1, cl2, chan, txt)
-		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
-			return 0
-		end
-		if cl1.umode & 8 ~= 0 then -- UMODE_REGISTERED
-			return 0
-		end
-		txt = ascii(txt)
-		if txt:find("1-877-293-1933", 1, true) then
+		if txt:find(badword, 1, true) then
 			return -1
 		end
 	end)
+end
+function setspamlevel(newlevel)
+	spamlevel = newlevel
+	simple_filter("supernets", "irc.supernets.org", 10)
+	simple_filter("hardchats", "hardchat", 10)
+	simple_filter("l0de_radio_hour", "1-877-293-1933", 10)
 	hook_add("sendtoclient", "no_unsolicited_pm", spamlevel >= 20 and function(hook, cl1, cl2, chan, txt)
 		if cl1.umode & 2 ~= 0 then -- UMODE_OPER
 			return 0