A Lua library for reading MaxMind's Geolocation database
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README.md

Name

lua-resty-maxminddb - A Lua library for reading MaxMind's Geolocation database format (aka mmdb or geoip2).

Prerequisites

Bug fixed

Note

Installation

opm get anjia0532/lua-resty-maxminddb

Synopsis

  local cjson = require 'cjson'
  local geo = require 'resty.maxminddb'
  if not geo.initted() then
      geo.init("/path/to/GeoLite2-City.mmdb")
  end
  local res,err = geo.lookup(ngx.var.arg_ip or ngx.var.remote_addr) --support ipv6 e.g. 2001:4860:0:1001::3004:ef68

  if not res then
      ngx.log(ngx.ERR,'failed to lookup by ip ,reason:',err)
  end

  ngx.say("full :",cjson.encode(res))
  if ngx.var.arg_node then
     ngx.say("node name:",ngx.var.arg_node," ,value:", cjson.encode(res[ngx.var.arg_node] or {}))
  end
  #ipv4
  $ curl localhost/ip=114.114.114.114&node=city
  #ipv6
  #$ curl localhost/ip=2001:4860:0:1001::3004:ef68&node=country
  full :{"city":{"geoname_id":1799962,"names":{"en":"Nanjing","ru":"Нанкин","fr":"Nankin","pt-BR":"Nanquim","zh-CN":"南京","es":"Nankín","de":"Nanjing","ja":"南京市"}},"subdivisions":[{"geoname_id":1806260,"names":{"en":"Jiangsu","fr":"Province de Jiangsu","zh-CN":"江苏省"},"iso_code":"32"}],"country":{"geoname_id":1814991,"names":{"en":"China","ru":"Китай","fr":"Chine","pt-BR":"China","zh-CN":"中国","es":"China","de":"China","ja":"中国"},"iso_code":"CN"},"registered_country":{"geoname_id":1814991,"names":{"en":"China","ru":"Китай","fr":"Chine","pt-BR":"China","zh-CN":"中国","es":"China","de":"China","ja":"中国"},"iso_code":"CN"},"location":{"time_zone":"Asia\/Shanghai","longitude":118.7778,"accuracy_radius":50,"latitude":32.0617},"continent":{"geoname_id":6255147,"names":{"en":"Asia","ru":"Азия","fr":"Asie","pt-BR":"Ásia","zh-CN":"亚洲","es":"Asia","de":"Asien","ja":"アジア"},"code":"AS"}}
  node name:city ,value:{"geoname_id":1799962,"names":{"en":"Nanjing","ru":"Нанкин","fr":"Nankin","pt-BR":"Nanquim","zh-CN":"南京","es":"Nankín","de":"Nanjing","ja":"南京市"}}

prettify

full: {
    "city": {
        "geoname_id": 1799962,
        "names": {
            "en": "Nanjing",
            "ru": "Нанкин",
            "fr": "Nankin",
            "pt-BR": "Nanquim",
            "zh-CN": "南京",
            "es": "Nankín",
            "de": "Nanjing",
            "ja": "南京市"
        }
    },
    "subdivisions": [{
            "geoname_id": 1806260,
            "names": {
                "en": "Jiangsu",
                "fr": "Province de Jiangsu",
                "zh-CN": "江苏省"
            },
            "iso_code": "32"
        }
    ],
    "country": {
        "geoname_id": 1814991,
        "names": {
            "en": "China",
            "ru": "Китай",
            "fr": "Chine",
            "pt-BR": "China",
            "zh-CN": "中国",
            "es": "China",
            "de": "China",
            "ja": "中国"
        },
        "iso_code": "CN"
    },
    "registered_country": {
        "geoname_id": 1814991,
        "names": {
            "en": "China",
            "ru": "Китай",
            "fr": "Chine",
            "pt-BR": "China",
            "zh-CN": "中国",
            "es": "China",
            "de": "China",
            "ja": "中国"
        },
        "iso_code": "CN"
    },
    "location": {
        "time_zone": "Asia\/Shanghai",
        "longitude": 118.7778,
        "accuracy_radius": 50,
        "latitude": 32.0617
    },
    "continent": {
        "geoname_id": 6255147,
        "names": {
            "en": "Asia",
            "ru": "Азия",
            "fr": "Asie",
            "pt-BR": "Ásia",
            "zh-CN": "亚洲",
            "es": "Asia",
            "de": "Asien",
            "ja": "アジア"
        },
        "code": "AS"
    }
}
node name: city, value: {
    "geoname_id": 1799962,
    "names": {
        "en": "Nanjing",
        "ru": "Нанкин",
        "fr": "Nankin",
        "pt-BR": "Nanquim",
        "zh-CN": "南京",
        "es": "Nankín",
        "de": "Nanjing",
        "ja": "南京市"
    }
}

References

Bug Reports

Please report bugs by filing an issue with our GitHub issue tracker at https://github.com/anjia0532/lua-resty-maxminddb/issues

If the bug is casued by libmaxminddb tracker at https://github.com/maxmind/libmaxminddb/issues

Copyright and License

This module is licensed under the BSD license.

Copyright (C) 2017-, by AnJia anjia0532@gmail.com.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.