Paste API - Version 2.0

-- Pastebin API
-- Created by Sir_Mr_Bman
-- Copyright (c) 2014
-- Feel free to redistribute this program as part of your own programs (if you give me credit)

-- Light-Docs:
--      RETURN CODES (downloader):
--      11: HTTP API is not enabled
--      12: Savefile exists
--      13: Could not connect. Is pastebin down?
--      2: Download complete!
--
--      RETURN CODES (uploader):
--      111: HTTP API is not enabled
--      112: Attempt to upload directory
--      113: File does not exist.
--      114: Could not connect.
--      <pastebin_code>: Success! Everything worked as it should!

function downloader(paste, savefile)

    if not http then
        return 11
    end
    if fs.exists(textutils.urlEncode(savefile)) then
        return 12
    end

    local pastebin = http.get("http://www.pastebin.com/raw.php?i="..textutils.urlEncode(paste))
    if pastebin then
        local saveTo = pastebin.readAll()
        pastebin.close()
        local file = fs.open(savefile, "w")
        file.write(saveTo)
        file.close()
        return 2
    else
        return 13
    end
end

function upload(path, pasteName)

    -- My Developer key
    local developerKey = "48e51ae9fe3fe690184d111a047b51b9"
    -- See if there is any reason this should not work...
    if fs.isDir(path) then
        return 112
    end
    if not http then
        return 111
    end
    if not fs.exists(path) then
        return 113
    end


    local file = fs.open(path, "r")
    local pasteString = file.readAll()
    local pastebin = http.post(
        "http://pastebin.com/api/api_post.php",
        "api_option=paste&"..
        "api_dev_key="..developerKey.."&"..
        "api_paste_format=lua&"..
        "api_paste_name="..textutils.urlEncode(pasteName).."&"..
        "api_paste_code="..textutils.urlEncode(pasteString)
        )
    if pastebin then
        local saveInfo = pastebin.readAll()
        pastebin.close()
        local pasteCode = string.match(saveInfo, "[^/]+$")
        return pasteCode
    else
        return 114
    end
end