67 lines
1.8 KiB
Lua
67 lines
1.8 KiB
Lua
function handle_request(env)
|
|
uhttpd.send("Status: 200 OK\r\n")
|
|
uhttpd.send("Content-Type: application/json\r\n\r\n")
|
|
-- local t = os.execute("ndsctl json")
|
|
local url = env.headers.URL
|
|
local prefix = "/nds/"
|
|
if url == prefix.."clients" then
|
|
local resp = os.capture("ndsctl json")
|
|
resp = resp:gsub("} {", ",")
|
|
print(resp)
|
|
end
|
|
if string.starts(url, prefix.."client/") then
|
|
local id = string.sub(url,string.len(prefix)+8)
|
|
if checkipv4(id) or checkmac(id) or checktoken(id) then
|
|
os.execute("ndsctl json "..id)
|
|
end
|
|
end
|
|
end
|
|
|
|
function checkipv4(ip)
|
|
local chunks = {ip:match("^(%d+)%.(%d+)%.(%d+)%.(%d+)$")}
|
|
if (#chunks == 4) then
|
|
for _,v in pairs(chunks) do
|
|
if (tonumber(v) < 0 or tonumber(v) > 255) then
|
|
return true
|
|
end
|
|
end
|
|
return true
|
|
else
|
|
return false
|
|
end
|
|
end
|
|
|
|
function checkmac(str)
|
|
local s = str
|
|
if not s:find("^%w+:%w+:%w+:%w+:%w+:%w+$") then
|
|
return false
|
|
end
|
|
for substr in s:gmatch("(%w+)") do
|
|
if not substr:find("^[0-9A-Fa-f][0-9A-Fa-f]$") then
|
|
return false
|
|
end
|
|
end
|
|
return true
|
|
end
|
|
|
|
function checktoken(t)
|
|
if not t:find("^[0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f][0-9A-Fa-f]$") then
|
|
return false
|
|
end
|
|
return true
|
|
end
|
|
|
|
function string.starts(String,Start)
|
|
return string.sub(String,1,string.len(Start))==Start
|
|
end
|
|
|
|
function os.capture(cmd, raw)
|
|
local f = assert(io.popen(cmd, 'r'))
|
|
local s = assert(f:read('*a'))
|
|
f:close()
|
|
if raw then return s end
|
|
s = string.gsub(s, '^%s+', '')
|
|
s = string.gsub(s, '%s+$', '')
|
|
s = string.gsub(s, '[\n\r]+', ' ')
|
|
return s
|
|
end |