243 lines
8.8 KiB
Lua
243 lines
8.8 KiB
Lua
--[[
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XChip's NodeMCU IDE
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Original Source: http://www.esp8266.com/viewtopic.php?f=19&t=1549
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Petr Stehlik found the source in October 2016 and gave it a new home
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at https://github.com/joysfera/nodemcu-web-ide under the GPL license.
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Then updated it for new async socket send(), fixed, cleaned up,
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added external editor with syntax highlighting and further improves it.
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Create, Edit and run NodeMCU files using your web browser.
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Examples:
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http://<mcu_ip>/ will list all the files in the MCU
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http://<mcu_ip>/newfile.lua displays the file on your browser
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http://<mcu_ip>/newfile.lua?edit allows to creates or edits the specified script in your browser
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http://<mcu_ip>/newfile.lua?run it will run the specified script and will show the returned value
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--]]
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local function editor(aceEnabled) -- feel free to disable the shiny Ajax.org Cloud Editor
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local AceEnabled = aceEnabled == nil and true or aceEnabled
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srv = net.createServer(net.TCP)
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srv:listen(80, function(conn)
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local rnrn = 0
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local Status = 0
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local DataToGet = 0
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local method = ""
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local url = ""
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local vars = ""
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conn:on("receive", function(sck, payload)
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if Status == 0 then
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_, _, method, url, vars = string.find(payload, "([A-Z]+) /([^?]*)%??(.*) HTTP")
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-- print("Method, URL, vars: ", method, url, vars)
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end
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if method == "POST" then
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if Status == 0 then
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-- print("status", Status)
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_, _, DataToGet, payload = string.find(payload, "Content%-Length: (%d+)(.+)")
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if DataToGet then
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DataToGet = tonumber(DataToGet)
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-- print("DataToGet = "..DataToGet)
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rnrn = 1
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Status = 1
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else
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print("bad length")
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end
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end
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-- find /r/n/r/n
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if Status == 1 then
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-- print("status", Status)
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local payloadlen = string.len(payload)
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local mark = "\r\n\r\n"
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local i
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for i=1, payloadlen do
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if string.byte(mark, rnrn) == string.byte(payload, i) then
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rnrn = rnrn + 1
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if rnrn == 5 then
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payload = string.sub(payload, i+1, payloadlen)
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file.open(url, "w")
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file.close()
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Status = 2
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break
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end
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else
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rnrn = 1
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end
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end
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if Status == 1 then
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return
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end
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end
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if Status == 2 then
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-- print("status", Status)
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if payload then
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DataToGet = DataToGet - string.len(payload)
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--print("DataToGet:", DataToGet, "payload len:", string.len(payload))
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file.open(url, "a+")
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file.write(payload)
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file.close()
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else
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sck:send("HTTP/1.1 200 OK\r\n\r\nERROR")
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Status = 0
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end
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if DataToGet == 0 then
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sck:send("HTTP/1.1 200 OK\r\n\r\nOK")
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Status = 0
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end
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end
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return
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end
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-- end of POST method handling
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DataToGet = -1
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if url == "favicon.ico" then
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-- print("favicon.ico handler sends 404")
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sck:send("HTTP/1.1 404 file not found")
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return
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end
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local sen = "HTTP/1.1 200 OK\r\n\r\n"
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-- it wants a file in particular
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if url ~= "" and vars == "" then
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DataToGet = 0
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sck:send(sen)
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return
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end
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sen = sen .. "<html><body><h1><a href='/'>NodeMCU IDE</a></h1>"
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if vars == "edit" then
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if AceEnabled then
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local mode = 'ace/mode/'
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if url:match(".css") then mode = mode .. 'css'
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elseif url:match(".html") then mode = mode .. 'html'
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elseif url:match(".json") then mode = mode .. 'json'
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elseif url:match(".js") then mode = mode .. 'javascript'
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else mode = mode .. 'lua'
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end
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sen = sen .. "<style type='text/css'>#editor{width: 100%; height: 80%}</style><div id='editor'></div><script src='//rawgit.com/ajaxorg/ace-builds/master/src-min-noconflict/ace.js'></script>"
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.. "<script>var e=ace.edit('editor');e.setTheme('ace/theme/monokai');e.getSession().setMode('"..mode.."');function getSource(){return e.getValue();};function setSource(s){e.setValue(s);}</script>"
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else
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sen = sen .. "<textarea name=t cols=79 rows=17></textarea></br>"
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.. "<script>function getSource() {return document.getElementsByName('t')[0].value;};function setSource(s) {document.getElementsByName('t')[0].value = s;};</script>"
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end
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sen = sen .. "<script>function tag(c){document.getElementsByTagName('w')[0].innerHTML=c};var x=new XMLHttpRequest();x.onreadystatechange=function(){if(x.readyState==4) setSource(x.responseText);};"
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.. "x.open('GET',location.pathname);x.send()</script><button onclick=\"tag('Saving, wait!');x.open('POST',location.pathname);x.onreadystatechange=function(){console.log(x.readyState);"
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.. "if(x.readyState==4) tag(x.responseText);};x.send(new Blob([getSource()],{type:'text/plain'}));\">Save</button> <a href='?run'>run</a> <w></w>"
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elseif vars == "run" then
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sen = sen .. "<verbatim>"
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function s_output(str) sen = sen .. str end
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node.output(s_output, 0) -- re-direct output to function s_output.
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local st, result = pcall(dofile, url)
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-- delay the output capture by 1000 milliseconds to give some time to the user routine in pcall()
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tmr.alarm(0, 1000, tmr.ALARM_SINGLE, function()
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node.output(nil)
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if result then
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local outp = tostring(result):sub(1,1300) -- to fit in one send() packet
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result = nil
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sen = sen .. "<br>Result of the run: " .. outp .. "<br>"
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end
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sen = sen .. "</verbatim></body></html>"
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sck:send(sen)
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end)
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return
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elseif vars == "compile" then
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collectgarbage()
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node.compile(url)
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url = ""
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elseif vars == "delete" then
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file.remove(url)
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url = ""
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elseif vars == "restart" then
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node.restart()
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return
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end
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local message = {}
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message[#message + 1] = sen
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sen = nil
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if url == "" then
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local l = file.list();
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message[#message + 1] = "<table border=1 cellpadding=3><tr><th>Name</th><th>Size</th><th>Edit</th><th>Compile</th><th>Delete</th></tr>"
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for k,v in pairs(l) do
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local line = "<tr><td><a href='" ..k.. "'>" ..k.. "</a></td><td>" ..v.. "</td><td>"
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local editable = k:sub(-4, -1) == ".lua" or k:sub(-4, -1) == ".css" or k:sub(-5, -1) == ".html" or k:sub(-5, -1) == ".json"
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if editable then
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line = line .. "<a href='" ..k.. "?edit'>edit</a>"
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end
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line = line .. "</td><td>"
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if k:sub(-4, -1) == ".lua" then
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line = line .. "<a href='" ..k.. "?compile'>compile</a>"
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end
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line = line .. "</td><td><a href='" ..k.. "?delete'>delete</a></td></tr>"
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message[#message + 1] = line
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end
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message[#message + 1] = "</table><a href='#' onclick='v=prompt(\"Filename\");if (v!=null) { this.href=\"/\"+v+\"?edit\"; return true;} else return false;'>Create new</a> "
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message[#message + 1] = "<a href='#' onclick='var x=new XMLHttpRequest();x.open(\"GET\",\"/?restart\");x.send();setTimeout(function(){location.href=\"/\"},5000);this.innerText=\"Please wait\";return false'>Restart</a>"
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end
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message[#message + 1] = "</body></html>"
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local function send_table(sk)
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if #message > 0 then
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sk:send(table.remove(message, 1))
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else
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sk:close()
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message = nil
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end
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end
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sck:on("sent", send_table)
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send_table(sck)
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end)
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conn:on("sent", function(sck)
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if DataToGet >= 0 and method == "GET" then
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if file.open(url, "r") then
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file.seek("set", DataToGet)
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local chunkSize = 512
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local line = file.read(chunkSize)
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file.close()
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if line then
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sck:send(line)
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DataToGet = DataToGet + chunkSize
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if string.len(line) == chunkSize then return end
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end
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end
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end
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sck:close()
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sck = nil
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end)
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end)
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end
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if wifi.sta.status() == wifi.STA_GOTIP then
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print("http://"..wifi.sta.getip().."/")
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editor()
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else
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print("WiFi connecting...")
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wifi.eventmon.register(wifi.eventmon.STA_GOT_IP, function()
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wifi.eventmon.unregister(wifi.eventmon.STA_GOT_IP)
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print("http://"..wifi.sta.getip().."/")
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editor()
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end)
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end
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