Recovery Key authenticaton

-- Function to draw a border
local function drawBorder()
    term.clear()
    local w, h = term.getSize()
    for y = 1, h do
        term.setCursorPos(1, y)
        term.write("|")
        term.setCursorPos(w, y)
        term.write("|")
    end
    for x = 1, w do
        term.setCursorPos(x, 1)
        term.write("-")
        term.setCursorPos(x, h)
        term.write("-")
    end
    term.setCursorPos(1, 1)
    term.write("+")
    term.setCursorPos(w, 1)
    term.write("+")
    term.setCursorPos(1, h)
    term.write("+")
    term.setCursorPos(w, h)
    term.write("+")
end

-- Function to center text on the screen
local function centerText(text, y)
    local w, _ = term.getSize()
    local x = math.floor((w - #text) / 2) + 1
    term.setCursorPos(x, y)
    term.write(text)
end

-- Function to verify the recovery key
local function verifyRecoveryKey()
    local keyPath = "/disk/security/RecoveryKey.txt"
    if fs.exists(keyPath) then
        local file = fs.open(keyPath, "r")
        local storedKey = file.readAll()
        file.close()

        term.clear()
        drawBorder()
        centerText("Enter Recovery Key", 3)
        term.setCursorPos(5, 5)
        term.write("Recovery Key: ")
        local enteredKey = read()

        if enteredKey == storedKey then
            centerText("Recovery successful. Welcome!", 8)
            os.sleep(2)
            return true
        else
            centerText("Invalid Recovery Key. Access denied.", 8)
            os.sleep(2)
        end
    else
        centerText("Recovery Key not found. Access denied.", 8)
        os.sleep(2)
    end
    return false
end

-- Function to start recovery key authentication
local function authenticate()
    term.clear()
    drawBorder()
    centerText("Doggy OS Recovery key", 3)

    if not verifyRecoveryKey() then
        os.reboot()
    end
end

-- Start authentication process
authenticate()