From 8558c7dfb37fcebd089fd274b6ec9d7707a71e38 Mon Sep 17 00:00:00 2001
From: localhost_frssoft <userquicker@disroot.org>
Date: Tue, 3 Oct 2023 12:15:05 +0300
Subject: [PATCH] Add cubic jail creation as option

---
 join.lua         | 56 ++++++++++++++++++++++++++++++++++++++++++++++++
 settingtypes.txt |  3 +++
 2 files changed, 59 insertions(+)

diff --git a/join.lua b/join.lua
index 031bad6..3e12c11 100644
--- a/join.lua
+++ b/join.lua
@@ -16,6 +16,15 @@ local formspecfediadd = "size[9,10]" ..
 local feditempstore = {}
 local failed_counter = {}
 
+local cubic_jail_entities = {}
+function fediauth.remove_lock_cube(playername)
+	for _, obj in ipairs(cubic_jail_entities[playername]) do
+		obj:remove()
+	end
+	cubic_jail_entities[playername] = nil
+	minetest.log("action", "[fediauth] cubic jail removed for: '" .. playername .. "'")
+end
+
 minetest.register_entity("fediauth:checkmark", {
 	initial_properties = {
 		pointable = false,
@@ -30,6 +39,22 @@ minetest.register_entity("fediauth:checkmark", {
 	on_detach = function(self, parent) self.object:remove() end
 })
 
+minetest.register_entity("fediauth:stopper", {
+	initial_properties = {
+		pointable = false,
+		physical = true,
+		collide_with_objects = true,
+		armor_group = { immortal = 1 },
+		collisionbox = { -0.5, -0.5, -0.5, 0.5, 0.5, 0.5 },
+		visual = "sprite",
+		visual_size = {x = 1, y = 1 },
+		textures = { "ignore" },
+		use_texture_alpha = true,
+		static_save = true,
+		glow = 10,
+	}
+})
+
 function fediauth.verified_checkmark(player, verified)
     local tag = player:get_player_name()
     local props = player:get_properties()
@@ -43,9 +68,34 @@ end
 -- Code formspec on join for fediauth enabled players
 minetest.register_on_joinplayer(function(player)
     local playername = player:get_player_name()
+    local player_pos = player:getpos()
+
     if fediauth.is_player_bypassed(playername) then return end
     if fediauth.is_player_enabled(playername) or minetest.settings:get_bool("fediauth.fedi_required", false) then
         minetest.log("action", "[fediauth] session start for player: '" .. playername .. "'")
+	if minetest.settings:get_bool("fediauth.create_lock_jail_cube") then
+		local cube = {}
+		for x=-2,2 do
+			for y=-2,2 do
+				for z=-2,2 do
+					if x ~= 0 then 
+						table.insert(cube, {player_pos.x + x, player_pos.y + y, player_pos.z + z})
+					elseif y ~= 0 and y ~= 1 then
+						table.insert(cube, {player_pos.x + x, player_pos.y + y, player_pos.z + z})
+					elseif z ~= 0 then
+						table.insert(cube, {player_pos.x + x, player_pos.y + y, player_pos.z + z})
+					end
+				end
+			end
+		end
+		local cube_entities = {}
+		for _, i in ipairs(cube) do
+			table.insert(cube_entities, minetest.add_entity({x=i[1], y=i[2], z=i[3]}, "fediauth:stopper", nil))
+		end
+		cubic_jail_entities[playername] = cube_entities
+		cube = nil
+        	minetest.log("action", "[fediauth] cubic jail created for: '" .. playername .. "'")
+	end
 
         -- start fediauth session time
         fediauth_sessions[player:get_player_name()] = os.time()
@@ -179,9 +229,15 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
         fediauth_sessions[playername] = nil
         fediauth.regrant_privs(playername)
 	fediauth.verified_checkmark(player, true)
+	if minetest.settings:get_bool("fediauth.create_lock_jail_cube") then
+		fediauth.remove_lock_cube(playername)
+	end
     else
         minetest.kick_player(playername, "fediauth code validation failed")
         fediauth.regrant_privs(playername)
+	if minetest.settings:get_bool("fediauth.create_lock_jail_cube") then
+		fediauth.remove_lock_cube(playername)
+	end
 	failed_counter[playername] = (failed_counter[playername] or 0) + 1
     end
 end)
diff --git a/settingtypes.txt b/settingtypes.txt
index 7f009bf..ef3162c 100644
--- a/settingtypes.txt
+++ b/settingtypes.txt
@@ -15,3 +15,6 @@ fediauth.restricted_instances (Restrict instance domains) string example.com,ano
 # After hour post will be deleted
 # Supported on: Pleroma/Akkoma and their forks
 fediauth.automatic_delete (Mark messages for delete*) bool false
+
+# Unstable and can cause out of memory. Create jail/lock cube entities around player
+fediauth.create_lock_jail_cube (Create jail/lock cube) bool false