PB.lua

local function printUsage()
    local programName = arg[0] or fs.getName(shell.getRunningProgram())
    print("Usages:")
    print(programName .. " logout")
    print(programName .. " put <filename>")
    print(programName .. " get <code> <filename>")
    print(programName .. " run <code> <arguments>")
    print(programName .. " login")
    print(programName .. " list </search term>")
    print(programName .. " uget <name> </filename>")
end

local tArgs = { ... }
if #tArgs < 1 then
    printUsage()
    return
end

if not http then
    printError("Pastebin requires the http API")
    printError("Set http.enabled to true in CC: Tweaked's config")
    return
end

--- Attempts to guess the pastebin ID from the given code or URL
local function extractId(paste)
    local patterns = {
        "^([%a%d]+)$",
        "^https?://pastebin.com/([%a%d]+)$",
        "^pastebin.com/([%a%d]+)$",
        "^https?://pastebin.com/raw/([%a%d]+)$",
        "^pastebin.com/raw/([%a%d]+)$",
    }

    for i = 1, #patterns do
        local code = paste:match(patterns[i])
        if code then return code end
    end

    return nil
end

local function get(url)
    local paste = extractId(url)
    if not paste then
        io.stderr:write("Invalid pastebin code.\n")
        io.write("The code is the ID at the end of the pastebin.com URL.\n")
        return
    end

    write("Connecting to pastebin.com... ")
    -- Add a cache buster so that spam protection is re-checked
    local cacheBuster = ("%x"):format(math.random(0, 2 ^ 30))
    local response, err = http.get(
        "https://pastebin.com/raw/" .. textutils.urlEncode(paste) .. "?cb=" .. cacheBuster
    )

    if response then
        -- If spam protection is activated, we get redirected to /paste with Content-Type: text/html
        local headers = response.getResponseHeaders()
        if not headers["Content-Type"] or not headers["Content-Type"]:find("^text/plain") then
            io.stderr:write("Failed.\n")
            print("Pastebin blocked the download due to spam protection. Please complete the captcha in a web browser: https://pastebin.com/" .. textutils.urlEncode(paste))
            return
        end

        print("Success.")

        local sResponse = response.readAll()
        response.close()
        return sResponse
    else
        io.stderr:write("Failed.\n")
        print(err)
    end
end

local function logout()
    fs.delete(".uKey.auth")
end

local function login(devkey)
    user=""
    pass=""
    io.stdout:write("Enter username: ")
    user = read()
    --term.setCursorBlink(false)
    io.stdout:write("Enter password: ")
    pass = read("")
    --term.setCursorBlink(true)
    --read user details through keyboard
    file=fs.open(".uKey.auth","w")
    page, err=http.post(
    "https://pastebin.com/api/api_login.php",
    "api_dev_key="..devkey.."&"..
    "api_user_name="..user.."&"..
    "api_user_password="..pass)
    --#queries site for key using devkey, name and pass
    --print(page)
    if err then
        printError(err)
    end
    file.write(page.readAll())
    file.close()
end
local function list(devkey,searterm,flg)
    fUser=fs.open(".uKey.auth","r")
    ukey = fUser.readLine()
    fUser.close()
    page, err=http.post(
    "https://pastebin.com/api/api_post.php",
    "api_dev_key="..devkey.."&"..
    "api_user_key="..ukey.."&"..
    "api_option=list&"..
    "api_results_limit=1000")
    --print(page)
    if err then
        printError(err)
    end
    fPage = fs.open("pbList.tmp","w")
    fPage.write(page.readAll())
    fPage.close()
    if flg==0 then
        fPage = fs.open("pbList.txt","w")
    else
        fPage = fs.open("pbUGet.tmp","w")
    end
    sauce="pbList.tmp"
    --if #tArgs == 2 then
    if searterm ~= "" then
        fFilter=fs.open("pbFilter.tmp","w")
        --searterm = tArgs[2]
        tmpaste = ""
        for line in io.lines(sauce) do
            if string.find(line,"<paste_key>") then
                tmpaste = line
            end
            if string.find(line,"<paste_title>") and string.find(line,searterm) then
                fFilter.writeLine(tmpaste)
                fFilter.writeLine(line)
            end
        end
        fFilter.close()
        sauce="pbFilter.tmp"
    end
    for line in io.lines(sauce) do
        if string.find(line,"<paste_key>") then
            line=string.gsub(line,"<paste_key>","")
            line=string.gsub(line,"</paste_key>","")
            if flg==0 then
                io.stdout:write(line.." ")
            end
            fPage.write(line.." ")
        end
        if string.find(line,"<paste_title>") then
            line=string.gsub(line,"<paste_title>","")
            line=string.gsub(line,"</paste_title>","")
            if flg==0 then
                printError(line)
            end
            fPage.writeLine(line)
        end
    end
    --if #tArgs == 2 then
    if searterm~="" then
        fs.delete("pbFilter.tmp")
    end
    fs.delete("pbList.tmp")
    fPage.close()
end
key="eUXuCLWHr7T5d9FQmnqj5hMEQ0hyQCoN"
local sCommand = tArgs[1]
if sCommand == "logout" then
    logout()
elseif sCommand == "put" then
    -- Upload a file to pastebin.com
    -- Determine file to upload
    local sFile = tArgs[2]
    local sPath = shell.resolve(sFile)
    if not fs.exists(sPath) or fs.isDir(sPath) then
        print("No such file")
        return
    end

    -- Read in the file
    local sName = fs.getName(sPath)
    local file = fs.open(sPath, "r")
    local sText = file.readAll()
    local ukey = ""
    file.close()
    --Read user key
    if fs.exists(".UKey.auth") then
        file = fs.open(".UKey.auth","r")
        ukey=file.readLine()
        --print(ukey)
        file.close()
    end
    -- POST the contents to pastebin
    write("Connecting to pastebin.com... ")
    local response = http.post(
        "https://pastebin.com/api/api_post.php",
        "api_option=paste&" ..
        "api_dev_key=" .. key .. "&" ..
        "api_user_key="..ukey.."&"..
        "api_paste_format=lua&" ..
        "api_paste_name=" .. textutils.urlEncode(sName) .. "&" ..
        "api_paste_code=" .. textutils.urlEncode(sText)
    )

    if response then
        print("Success.")

        local sResponse = response.readAll()
        response.close()

        local sCode = string.match(sResponse, "[^/]+$")
        print("Uploaded as " .. sResponse)
        print("Run \"pastebin get " .. sCode .. "\" to download anywhere")

    else
        print("Failed.")
    end

elseif sCommand == "get" then
    -- Download a file from pastebin.com
    if #tArgs < 3 then
        printUsage()
        return
    end

    -- Determine file to download
    local sCode = tArgs[2]
    local sFile = tArgs[3]
    local sPath = shell.resolve(sFile)
    if fs.exists(sPath) then
        print("File already exists")
        return
    end

    -- GET the contents from pastebin
    local res = get(sCode)
    if res then
        local file = fs.open(sPath, "w")
        file.write(res)
        file.close()

        print("Downloaded as " .. sFile)
    end
elseif sCommand == "run" then
    local sCode = tArgs[2]

    local res = get(sCode)
    if res then
        local func, err = load(res, sCode, "t", _ENV)
        if not func then
            printError(err)
            return
        end
        local success, msg = pcall(func, select(3, ...))
        if not success then
            printError(msg)
        end
    end
elseif sCommand == "login" then
    login(key)
elseif sCommand == "list" then
    if #tArgs == 2 then
        list(key,tArgs[2])
    elseif #tArgs == 1 then
        list(key,"",0)
    end
elseif sCommand == "uget" then
    if #tArgs < 2 then
        printUsage()
        return
    end
    list(key,tArgs[2])
    i=0
    for line in io.lines("pbUGet.tmp") do
        i=i+1
    end
    if i==0 then
        printError("result not found")
    elseif i>1 then
        printError("not specific enough")
    else
        prg= arg[0] or fs.getName(shell.getRunningProgram())
        code, name = ""
        for line in io.lines("pbUGet.tmp") do
            code, name = string.match(line,"(%w+)(.+)")
        end
        if #tArgs <3 then
        shell.run(prg.." get "..code.." "..name)
        else
        shell.run(prg.." get "..code.." "..tArgs[3])
        end
    end
else
    printUsage()
    return
end