blob: c4c2d788675576209337f35f3938fd9ba20c4014 (
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function ipValidator(ip)
local chunks = {ip:match("(%d+)%.(%d+)%.(%d+)%.(%d+)")}
if #chunks == 4 then
for _,v in pairs(chunks) do
if tonumber(v) > 255 then return R.STRING end
end
return true
end
local chunks = {ip:match(("([a-fA-F0-9]*):"):rep(8):gsub(":$","$"))}
if #chunks == 8 then
for _,v in pairs(chunks) do
if #v > 0 and tonumber(v, 16) > 65535 then return R.STRING end
end
return true
end
return false
end
if ngx.req.get_method() == "POST" then
ngx.req.read_body()
local body = ngx.req.get_body_data()
local json = require('cjson')
local tab = json.decode(body)
local ip = tab["passIp"]
if not ip then
ngx.log(ngx.WARN, "ip is nil.")
ngx.exit(500)
end
if ipValidator(ip) then
local cache = ngx.shared.ceryx
local succ, err, forcible = cache:set(ip, "place_holder", 3600)
if not succ then
ngx.log(ngx.WARN, err)
ngx.exit(500)
end
else
ngx.log(ngx.WARN, "not a valid ip.")
ngx.exit(500)
end
ngx.exit(201)
else
ngx.log(ngx.WARN, "not a POST request.")
ngx.exit(500)
end
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