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Handle special characters of HTTP POST

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This commit is contained in:
Ollo 2023-04-09 14:33:26 +02:00
parent 8001a8e1d4
commit eb703a1165
1 changed files with 11 additions and 1 deletions
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12
webserver.lua
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@ -2,6 +2,16 @@
local configFile="config.lua"
local httpSending=false
local sentBytes=0
-- Source https://stackoverflow.com/questions/28916182/parse-parameters-out-of-url-in-lua#28921280
function urldecode(s)
s = s:gsub('+', ' ')
:gsub('%%(%x%x)', function(h)
return string.char(tonumber(h, 16))
end)
return s
end
function sendPage(conn, nameOfFile, replaceMap)
collectgarbage()
print("Sending " .. nameOfFile .. " " .. sentBytes .. "B already; " .. node.heap() .. "B in heap")
@ -179,7 +189,7 @@ function startWebServer()
file.remove(configFile .. ".new")
sec, _ = rtctime.get()
file.open(configFile.. ".new", "w+")
file.write("-- Config\n" .. "station_cfg={}\nstation_cfg.ssid=\"" .. _POST.ssid .. "\"\nstation_cfg.pwd=\"" .. _POST.password .. "\"\nstation_cfg.save=false\nwifi.sta.config(station_cfg)\n")
file.write("-- Config\n" .. "station_cfg={}\nstation_cfg.ssid='" .. urldecode(_POST.ssid) .. "'\nstation_cfg.pwd='" .. urldecode(_POST.password) .. "'\nstation_cfg.save=false\nwifi.sta.config(station_cfg)\n")
file.write("sntpserverhostname=\"" .. _POST.sntpserver .. "\"\n" .. "timezoneoffset=\"" .. _POST.timezoneoffset .. "\"\n".. "inv46=nil\n")
if ( _POST.fcolor ~= nil) then