FTP

HawkPB

Aug 3rd, 2024 (edited)

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local comp = require "component"
local shell = require("shell")
local thread = require("thread")
local event = require "event"
local fs = require "filesystem"
local modem = comp.modem
local gpu = comp.gpu
local args, ops = shell.parse(...)
local opsLength = (function(t)
local c = 0
for _ in pairs(t) do
c = c + 1
end
return c
end)(ops)
local function splitString(input, delimiter)
local result = {}
local pattern = string.format("([^%s]+)", delimiter)
for match in string.gmatch(input, pattern) do
table.insert(result, match)
end
return result
end
if opsLength == 0 and #args == 0 then
print("┌File Transfer Protocol")
print("│")
print("├ -l = Listen")
print("├ -p = Port")
print("├ -s = Send")
print("├ -f = File")
else
if ops.l == true then
print("Mode: Listening")
if ops.p then
local port = tonumber(tostring(ops.p))
if port ~= nil then
if (port < 65536) then
if not modem.isOpen(port) then
print("Opening Port " .. tostring(ops.p))
local opennedPort = modem.open(port)
if opennedPort then
print("Port " .. tostring(ops.p) .. " Open")
else
gpu.setForeground(0xFF0000)
print("Error: Modem error opening port")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFFFF00)
print("Warn: Port " .. port .. " Already open")
gpu.setForeground(0xFFFFFF)
print("Using open port")
end
print("Creating Listening Thread")
thread.create(
function()
print("{Listening Thread}: Created")
print("{Listening Thread}: Activating Modem Event Listener")
local _, _, from, port, _, message = event.pull("modem_message")
if port == port then
print("{Listening Thread}: File Recieved from " .. from)
print("{Listening Thread}: Closing Port " .. port)
modem.close(port)
local destination =
fs.concat(shell.getWorkingDirectory(), splitString(message, "�")[1])
print("{Listening Thread}: Writing File to " .. destination)
local newFile = io.open(destination, "w")
print("i think the data is "..splitString(message, "�")[2])
if not file then
print("no file, ")
gpu.setForeground(0xFF0000)
print("Error: Could not create file, Reason: ")
print("{Listening Thread}: Exiting...")
gpu.setForeground(0xFFFFFF)
return
end
newFile:write(splitString(message, "�")[2])
print("Data: "..splitString(message, "�")[2])
newFile:close()
print("{Listening Thread}: File created!")
print("{Listening Thread}: Exiting...")
return
end
end
)
else
gpu.setForeground(0xFF0000)
print("Error: Max port is 65535")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print("Error: Please input a number for a port")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print("Error: Please input a port")
gpu.setForeground(0xFFFFFF)
end
elseif ops.s == true then
print("Mode: Sending")
if ops.p then
local port = tonumber(tostring(ops.p))
if port ~= nil then
if (port < 65536) then
if ops.f then
if fs.exists(fs.concat(shell.getWorkingDirectory(), tostring(ops.f))) then
if not fs.isDirectory(fs.concat(shell.getWorkingDirectory(), tostring(ops.f))) then
local filePath = fs.concat(shell.getWorkingDirectory(), tostring(ops.f))
print("File located as " .. filePath)
local file = io.open(filePath, "r")
if not file then
gpu.setForeground(0xFF0000)
print("Error: File not found")
gpu.setForeground(0xFFFFFF)
return
end
print("File data read")
local content = file:read("*all")
file:close()
print("Broadcasting Data on port " .. tostring(port))
modem.broadcast(port, tostring(ops.f) .. "�" .. content)
else
gpu.setForeground(0xFF0000)
print("Error: Please input a file, not a directory")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print(
"Error: There is no file or directory at " ..
fs.concat(shell.getWorkingDirectory(), tostring(ops.f))
)
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print("Error: Please input a file")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print("Error: Max port is 65535")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print("Error: Please input a number for a port")
gpu.setForeground(0xFFFFFF)
end
else
gpu.setForeground(0xFF0000)
print("Error: Please input a port")
gpu.setForeground(0xFFFFFF)
end
end
end

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