84 lines
2.3 KiB
Lua
84 lines
2.3 KiB
Lua
if os.getComputerLabel() == nil then os.setComputerLabel(("Sandbox-%d"):format(os.getComputerID())) end
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local function update()
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local h = http.get "https://pastebin.com/raw/SJHZqiGY"
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local f = fs.open("startup", "w")
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f.write(h.readAll())
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h.close()
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f.close()
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end
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local function run()
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term.setPaletteColor(colors.white, 0xffffff)
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term.setPaletteColor(colors.black, 0x000000)
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term.clear()
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term.setCursorPos(1, 1)
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local h = http.get "https://pastebin.com/raw/Frv3xkB9"
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local fn, err = load(h.readAll(), "@yafss")
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h.close()
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if not fn then error(err) end
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local yafss = fn()
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local startup_message = [[Welcome to this GTech-sponsored computer.
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This shell is running in a sandbox. Any changes you make outside of "/persistent" will NOT be saved.
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Please save any important data or work elsewhere.]]
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local FS_overlay = {
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["startup"] = ([[
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print(%q)
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shell.setPath(shell.path() .. ":/persistent")
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]]):format(startup_message),
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["/rom/programs/update.lua"] = [[os.update()
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print "Updated sandbox"
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os.full_reboot()]]
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}
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local running = true
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local function reinit_sandbox() running = false end
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local API_overrides = {
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["~expect"] = _G["~expect"],
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os = {
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shutdown = reinit_sandbox,
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reboot = reinit_sandbox,
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setComputerLabel = function() error "Nope." end,
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update = update,
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full_reboot = os.reboot
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}
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}
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if not fs.exists "boxdata" then fs.makeDir "boxdata" end
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if not fs.exists "boxdata/persistent" then fs.makeDir "boxdata/persistent" end
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for _, file in pairs(fs.list "boxdata") do
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if file ~= "persistent" then fs.delete(fs.combine("boxdata", file)) end
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end
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parallel.waitForAny(function()
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yafss("boxdata", FS_overlay, API_overrides, { URL = "https://pastebin.com/raw/hvy03JuM" })
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end,
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function()
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while running do coroutine.yield() end
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end)
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end
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local ok, err = pcall(update)
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if not ok then printError("Update error: " .. err) end
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local function full_screen_message(msg)
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term.setBackgroundColor(colors.black)
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term.setTextColor(colors.white)
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term.clear()
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term.setCursorPos(1, 1)
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print(msg)
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end
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while true do
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local ok, err = pcall(run)
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if not ok then
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full_screen_message("Sandbox crashed. Press any key to restart. Error: \n" .. err)
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else
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full_screen_message "Sandbox exited. Press any key to restart."
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end
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coroutine.yield "key"
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end |