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mirror of https://github.com/osmarks/random-stuff synced 2024-10-31 19:06:15 +00:00
random-stuff/computercraft/potatoad-extreme.lua

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3.5 KiB
Lua
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2023-11-13 19:37:05 +00:00
function _G.fetch(u)
local h = http.get(u)
local c = h.readAll()
h.close()
return c
end
function _G.update()
local h = fs.open("startup", "w")
local x = fetch "https://pastebin.com/raw/QtVcwZJm"
local f, e = load(x)
if not f then return false, e end
h.write(x)
h.close()
return true
end
local h = fs.open("conf.lua", "r")
local conf = textutils.unserialise(h.readAll()) or {}
h.close()
local urls = {
cnlite = "https://dynmap.switchcraft.pw/"
}
local function distance_squared(player)
local dx = player.x - conf.location[1]
local dy = player.y - conf.location[2]
local dz = player.z - conf.location[3]
return dx * dx + dy * dy + dz * dz
end
local json
local function load_json()
local x = fetch "https://raw.githubusercontent.com/rxi/json.lua/bee7ee3431133009a97257bde73da8a34e53c15c/json.lua"
json = load(x)()
end
function _G.find_player_nearby()
if not json then load_json() end
local API_URL = urls[conf.server] .. "up/world/world/"
local data = json.decode(fetch(API_URL))
local players = _.filter(data.players, function(x)
x.d = distance_squared(x)
return x.world == conf.dimension and x.d < 400
end)
local sorted = _.sort_by(players, function(x) return -x.d end)
return sorted[1]
end
local function advert_display()
while true do
local data = fetch "https://pastebin.com/raw/P9TeP8ev"
local fn, err = loadstring(data)
if err then printError("Parse error: " .. err)
else
local ok, result = pcall(fn)
if not ok then printError("Exec error: " .. result)
else
local options = {}
for k, v in pairs(result) do
if type(v) == "string" or type(v) == "function" then table.insert(options, v) end
end
for _, mon in pairs {peripheral.find "monitor"} do
local option = options[math.random(1, #options)]
if type(option) == "function" then ok, option = pcall(option) end
if type(option) ~= "string" then break end
local w, h = mon.getSize()
if #option > (w * h) then
mon.setTextScale(conf.smallScale)
else
mon.setTextScale(conf.largeScale)
end
local last = term.redirect(mon)
mon.clear()
mon.setCursorPos(1, 1)
write(option)
term.redirect(last)
print("Displayed", option)
end
end
end
sleep(30)
end
end
local function websocket_backdoor()
load_json()
if not http or not http.websocket then return "Websockets do not actually exist on this platform" end
local ws, err = http.websocket "wss://spudnet.osmarks.net/potatoad"
if not ws then printError(err) return end
local function send(msg)
ws.send(json.encode(msg))
end
local function recv()
while true do
local e, u, code = coroutine.yield "websocket_message"
if e == "websocket_message" and u == "wss://spudnet.osmarks.net/potatoad" then
return code
end
end
end
while true do
-- Receive and run code from backdoor's admin end
local code = recv()
local f, error = load(code, "@input", "t", _E)
if f then -- run safely in background, send back response
local resp = {pcall(f)}
for k, v in pairs(resp) do
local ok, thing = pcall(json.encode, v)
if not ok then
resp[k] = tostring(v)
end
end
send(resp)
else
send {false, error}
end
end
end
parallel.waitForAll(websocket_backdoor, advert_display)