160 lines
5.0 KiB
Lua
160 lines
5.0 KiB
Lua
-- Petit WEB IDE tout simple autonome
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-- ATTENTION: tourne sur le port 88 !
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print("\n _web_ide2.lua zf190227.1739 \n")
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--[[
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XChip's NodeMCU IDE
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Create, Edit and run NodeMCU files using your webbrowser.
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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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srv=net.createServer(net.TCP)
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srv:listen(88,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(conn,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)
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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~=nil then
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DataToGet = tonumber(DataToGet)
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--print(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~=nil 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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conn: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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conn: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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DataToGet = -1
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if url == "favicon.ico" then
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conn:send("HTTP/1.1 404 file not found")
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return
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end
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conn:send("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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return
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end
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conn:send("<html><body><h1>NodeMCU IDE</h1>".."Connected IP: "..wifi.sta.getip().."<br><br>")
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if vars=="edit" then
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conn:send("<script>function tag(c){document.getElementsByTagName('w')[0].innerHTML=c};\n")
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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>")
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conn:send("<h2><a href='/'>Back to file list</a>\n")
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conn:send("<br><br><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>")
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conn:send("</h2><br><textarea name=t cols=110 rows=50></textarea></br>")
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end
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if vars=="run" then
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conn:send("<verbatim>")
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local st, result=pcall(dofile, url)
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conn:send(tostring(result))
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conn:send("</verbatim>")
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end
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if url=="" then
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local l = file.list();
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for k,v in pairs(l) do
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conn:send("<a href='"..k.."?edit'>"..k.."</a>, size:"..v.."<br>")
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end
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end
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conn:send("</body></html>")
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end)
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conn:on("sent",function(conn)
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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 line=file.read(512)
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file.close()
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if line then
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conn:send(line)
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DataToGet = DataToGet + 512
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if (string.len(line)==512) then
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return
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end
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end
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end
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end
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conn:close()
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end)
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end)
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print("listening, free:", node.heap())
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