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https://github.com/kepler155c/opus
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pastebin rework round 3
This commit is contained in:
kepler155c@gmail.com
parent
f011e7b14f
commit
a77d55e33f
@ -1,150 +1,128 @@
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--- Parse the pastebin code from the given code or URL
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local function parseCode(paste)
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local patterns = {
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"^([%a%d]+)$",
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"^https?://pastebin.com/([%a%d]+)$",
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"^pastebin.com/([%a%d]+)$",
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"^https?://pastebin.com/raw/([%a%d]+)$",
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"^pastebin.com/raw/([%a%d]+)$",
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}
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--- Attempts to guess the pastebin ID from the given code or URL
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local function extractId(paste)
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local patterns = {
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"^([%a%d]+)$",
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"^https?://pastebin.com/([%a%d]+)$",
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"^pastebin.com/([%a%d]+)$",
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"^https?://pastebin.com/raw/([%a%d]+)$",
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"^pastebin.com/raw/([%a%d]+)$",
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}
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for i = 1, #patterns do
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local code = paste:match(patterns[i])
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if code then
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return code
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end
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end
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for i = 1, #patterns do
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local code = paste:match( patterns[i] )
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if code then return code end
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end
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return nil
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return nil
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end
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function download(url)
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if type( url ) ~= "string" then
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error( "bad argument #1 (expected string, got " .. type( url ) .. ")", 2 )
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end
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-- Download the contents of a paste
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local function download(url)
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if type(url) ~= "string" then
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error("bad argument #1 (expected string, got " .. type(url) .. ")", 2)
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end
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if not http then
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return false, "Pastebin requires http API"
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end
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if not http then
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return false, "Pastebin requires http API"
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end
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local paste = extractId( url )
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if not paste then
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return false, "Invalid pastebin code. The code is the ID at the end of the pastebin.com URL."
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end
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-- Add a cache buster so that spam protection is re-checked
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local cacheBuster = ("%x"):format(math.random(0, 2 ^ 30))
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local response, err = http.get(
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"https://pastebin.com/raw/" .. textutils.urlEncode(paste) .. "?cb=" .. cacheBuster
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)
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-- Add a cache buster so that spam protection is re-checked
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local cacheBuster = ("%x"):format(math.random(0, 2^30))
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local response, err = http.get(
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"https://pastebin.com/raw/"..textutils.urlEncode( paste ).."?cb="..cacheBuster
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)
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if not response then
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return response, err
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end
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if not response then
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return response, err
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end
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-- If spam protection is activated, we get redirected to /paste with Content-Type: text/html
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local headers = response.getResponseHeaders()
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if not headers["Content-Type"] or not headers["Content-Type"]:find("^text/plain") then
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return false, "Pastebin blocked due to spam protection"
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end
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-- If spam protection is activated, we get redirected to /paste with Content-Type: text/html
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local headers = response.getResponseHeaders()
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if not headers["Content-Type"] or not headers["Content-Type"]:find( "^text/plain" ) then
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return false, "Pastebin blocked the download due to spam protection. Please complete the captcha in a web browser: https://pastebin.com/" .. textutils.urlEncode( paste )
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end
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local sResponse = response.readAll()
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response.close()
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return sResponse
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local contents = response.readAll()
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response.close()
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return contents
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end
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local function put(sPath)
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if type( sPath ) ~= "string" then
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error( "bad argument #1 (expected string, got " .. type( sPath ) .. ")", 2 )
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end
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-- Upload text to pastebin
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local function upload(name, text)
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if not http then
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return false, "Pastebin requires http API"
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end
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if not http then
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return false, "Pastebin requires http API"
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end
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-- POST the contents to pastebin
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local key = "0ec2eb25b6166c0c27a394ae118ad829"
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local response = http.post(
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"https://pastebin.com/api/api_post.php",
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"api_option=paste&" ..
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"api_dev_key=" .. key .. "&" ..
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"api_paste_format=lua&" ..
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"api_paste_name=" .. textutils.urlEncode(name) .. "&" ..
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"api_paste_code=" .. textutils.urlEncode(text)
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)
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-- Upload a file to pastebin.com
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-- Determine file to upload
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if not fs.exists( sPath ) or fs.isDir( sPath ) then
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return false, "No such file"
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end
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if not response then
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return false, "Failed."
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end
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-- Read in the file
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local sName = fs.getName( sPath )
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local file = fs.open( sPath, "r" )
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local sText = file.readAll()
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file.close()
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local contents = response.readAll()
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response.close()
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-- POST the contents to pastebin
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local key = "0ec2eb25b6166c0c27a394ae118ad829"
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local response = http.post(
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"https://pastebin.com/api/api_post.php",
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"api_option=paste&"..
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"api_dev_key="..key.."&"..
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"api_paste_format=lua&"..
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"api_paste_name="..textutils.urlEncode(sName).."&"..
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"api_paste_code="..textutils.urlEncode(sText)
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)
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if response then
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local sResponse = response.readAll()
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response.close()
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return string.match( sResponse, "[^/]+$" )
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end
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return false, "Failed."
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return string.match(contents, "[^/]+$")
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end
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local function get(sCode, sPath)
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if type( sCode ) ~= "string" then
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error( "bad argument #1 (expected string, got " .. type( sCode ) .. ")", 2 )
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end
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-- Download the contents to a file from pastebin
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local function get(code, path)
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if type(code) ~= "string" then
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error( "bad argument #1 (expected string, got " .. type(code) .. ")", 2)
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end
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if type( sPath ) ~= "string" then
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error( "bad argument #2 (expected string, got " .. type( sPath ) .. ")", 2 )
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end
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if type(path) ~= "string" then
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error("bad argument #2 (expected string, got " .. type(path) .. ")", 2)
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end
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if not http then
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return false, "Pastebin requires http API"
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end
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local res, msg = download(code)
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if not res then
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return res, msg
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end
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if fs.exists( sPath ) then
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return false, "File already exists"
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end
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local file = fs.open(path, "w")
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file.write(res)
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file.close()
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-- GET the contents from pastebin
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local res, msg = download(sCode)
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if not res then
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return res, msg
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end
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local file = fs.open( sPath, "w" )
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file.write( res )
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file.close()
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return sPath
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return true
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end
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local function run(sCode, ...)
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if not http then
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return false, "Pastebin requires http API"
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end
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-- Upload a file to pastebin.com
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local function put(path)
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if type(path) ~= "string" then
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error("bad argument #1 (expected string, got " .. type(path) .. ")", 2)
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end
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if type( sCode ) ~= "string" then
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error( "bad argument #1 (expected string, got " .. type( sCode ) .. ")", 2 )
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end
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-- Determine file to upload
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if not fs.exists(path) or fs.isDir(path) then
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return false, "No such file"
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end
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local res, msg = download(sCode)
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if not res then
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return res, msg
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end
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local func, err = load(res, sCode, "t", _ENV)
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if not func then
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return func, err
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end
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return pcall(func, ...)
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-- Read in the file
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local name = fs.getName(path)
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local file = fs.open(path, "r")
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local text = file.readAll()
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file.close()
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return upload(name, text)
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end
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return {
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get = get,
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put = put,
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run = run,
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}
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download = download,
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upload = upload,
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get = get,
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put = put,
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parseCode = parseCode,
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}
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@ -1,4 +1,3 @@
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local function printUsage()
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print( "Usages:" )
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print( "pastebin put <filename>" )
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@ -6,12 +5,6 @@ local function printUsage()
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print( "pastebin run <code> <arguments>" )
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end
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local tArgs = { ... }
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if #tArgs < 2 then
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printUsage()
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return
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end
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if not http then
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printError( "Pastebin requires http API" )
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printError( "Set http_enable to true in ComputerCraft.cfg" )
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@ -20,9 +13,17 @@ end
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local pastebin = require('http.pastebin')
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local tArgs = { ... }
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local sCommand = tArgs[1]
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if sCommand == "put" then
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-- Upload a file to pastebin.com
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if #tArgs < 2 then
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printUsage()
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return
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end
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-- Determine file to upload
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local sFile = tArgs[2]
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local sPath = shell.resolve( sFile )
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@ -45,15 +46,18 @@ if sCommand == "put" then
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elseif sCommand == "get" then
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-- Download a file from pastebin.com
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if #tArgs < 3 then
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printUsage()
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return
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end
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print( "Connecting to pastebin.com... " )
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local sCode = pastebin.parseCode(tArgs[2])
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if not sCode then
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return false, "Invalid pastebin code. The code is the ID at the end of the pastebin.com URL."
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end
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-- Determine file to download
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local sCode = tArgs[2]
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local sFile = tArgs[3]
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local sPath = shell.resolve( sFile )
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if fs.exists( sPath ) then
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@ -61,21 +65,45 @@ elseif sCommand == "get" then
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return
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end
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print( "Connecting to pastebin.com... " )
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local resp, msg = pastebin.get(sCode, sPath)
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if resp then
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print( "Downloaded as "..resp )
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print( "Downloaded as " .. sPath )
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else
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printError( msg )
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end
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elseif sCommand == "run" then
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local sCode = tArgs[2]
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-- Download and run a file from pastebin.com
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if #tArgs < 2 then
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printUsage()
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return
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end
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local sCode = pastebin.parseCode(tArgs[2])
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if not sCode then
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return false, "Invalid pastebin code. The code is the ID at the end of the pastebin.com URL."
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end
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print( "Connecting to pastebin.com... " )
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local resp, msg = pastebin.run(sCode, table.unpack(tArgs, 3))
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if not resp then
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local res, msg = pastebin.download(sCode)
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if not res then
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printError( msg )
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return res, msg
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end
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res, msg = load(res, sCode, "t", _ENV)
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if not res then
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printError( msg )
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return res, msg
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end
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res, msg = pcall(res, table.unpack(tArgs, 3))
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if not res then
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printError( msg )
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end
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else
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@ -83,3 +111,4 @@ else
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printUsage()
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return
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end
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15
sys/help/pastebin
Normal file
15
sys/help/pastebin
Normal file
@ -0,0 +1,15 @@
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pastebin is a program for uploading files to and downloading files from pastebin.com. This is useful for sharing programs with other players.
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The HTTP API must be enabled in ComputerCraft.cfg to use this program.
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ex:
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"pastebin put foo" will upload the file "foo" to pastebin.com, and print the URL.
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"pastebin get xq5gc7LB foo" will download the file from the URL http://pastebin.com/xq5gc7LB, and save it as "foo".
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"pastebin run CxaWmPrX" will download the file from the URL http://pastebin.com/CxaWmPrX, and immediately run it.
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Functions in the pastebin API:
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pastebin.get( code, filepath )
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pastebin.put( filepath )
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pastebin.download( code )
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pastebin.upload( pastename, text )
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pastebin.parseCode( code )
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