- Sun Feb 08, 2015 7:01 pm
#9285
Hi guys,
Just a quick web IDE that I wrote to create, edit and run lua files on the MCUNode using a browser.
The script has been updated(again) with many bug fixes.
Any feedback is welcome.
Just a quick web IDE that I wrote to create, edit and run lua files on the MCUNode using a browser.
The script has been updated(again) with many bug fixes.
Any feedback is welcome.
Code: Select all
--[[
XChip's NodeMCU IDE
Create, Edit and run NodeMCU files using your webbrowser.
Examples:
http://<mcu_ip>/ will list all the files in the MCU
http://<mcu_ip>/newfile.lua displays the file on your browser
http://<mcu_ip>/newfile.lua?edit allows to creates or edits the specified script in your browser
http://<mcu_ip>/newfile.lua?run it will run the specified script and will show the returned value
]]--
srv=net.createServer(net.TCP)
srv:listen(80,function(conn)
local rnrn=0
local Status = 0
local DataToGet = 0
local method=""
local url=""
local vars=""
conn:on("receive",function(conn,payload)
if Status==0 then
_, _, method, url, vars = string.find(payload, "([A-Z]+) /([^?]*)%??(.*) HTTP")
print(method, url, vars)
end
if method=="POST" then
if Status==0 then
--print("status", Status)
_,_,DataToGet, payload = string.find(payload, "Content%-Length: (%d+)(.+)")
if DataToGet~=nil then
DataToGet = tonumber(DataToGet)
--print(DataToGet)
rnrn=1
Status = 1
else
print("bad length")
end
end
-- find /r/n/r/n
if Status==1 then
--print("status", Status)
local payloadlen = string.len(payload)
local mark = "\r\n\r\n"
local i
for i=1, payloadlen do
if string.byte(mark, rnrn) == string.byte(payload, i) then
rnrn=rnrn+1
if rnrn==5 then
payload = string.sub(payload, i+1,payloadlen)
file.open(url, "w")
file.close()
Status=2
break
end
else
rnrn=1
end
end
if Status==1 then
return
end
end
if Status==2 then
--print("status", Status)
if payload~=nil then
DataToGet=DataToGet-string.len(payload)
--print("DataToGet:", DataToGet, "payload len:", string.len(payload))
file.open(url, "a+")
file.write(payload)
file.close()
else
conn:send("HTTP/1.1 200 OK\r\n\r\nERROR")
Status=0
end
if DataToGet==0 then
conn:send("HTTP/1.1 200 OK\r\n\r\nOK")
Status=0
end
end
return
end
DataToGet = -1
if url == "favicon.ico" then
conn:send("HTTP/1.1 404 file not found")
return
end
conn:send("HTTP/1.1 200 OK\r\n\r\n")
-- it wants a file in particular
if url~="" and vars=="" then
DataToGet = 0
return
end
conn:send("<html><body><h1>NodeMCU IDE</h1>")
if vars=="edit" then
conn:send("<script>function tag(c){document.getElementsByTagName('w')[0].innerHTML=c};\n")
conn:send("var x=new XMLHttpRequest()\nx.onreadystatechange=function(){if(x.readyState==4) document.getElementsByName('t')[0].value = x.responseText; };\nx.open('GET',location.pathname,true)\nx.send()</script>")
conn:send("<a href='/'>Back to file list</a><br><br><textarea name=t cols=79 rows=17></textarea></br>")
conn:send("<button onclick=\"tag('Saving');x.open('POST',location.pathname,true);\nx.onreadystatechange=function(){if(x.readyState==4) tag(x.responseText);};\nx.send(new Blob([document.getElementsByName('t')[0].value],{type:'text/plain'}));\">Save</button><a href='?run'>run</a><w></w>")
end
if vars=="run" then
conn:send("<verbatim>")
local st, result=pcall(dofile, url)
conn:send(tostring(result))
conn:send("</verbatim>")
end
if url=="" then
local l = file.list();
for k,v in pairs(l) do
conn:send("<a href='"..k.."?edit'>"..k.."</a>, size:"..v.."<br>")
end
end
conn:send("</body></html>")
end)
conn:on("sent",function(conn)
if DataToGet>=0 and method=="GET" then
if file.open(url, "r") then
file.seek("set", DataToGet)
local line=file.read(512)
file.close()
if line then
conn:send(line)
DataToGet = DataToGet + 512
if (string.len(line)==512) then
return
end
end
end
end
conn:close()
end)
end)
print("listening, free:", node.heap())
