NodeJS source (edit on github)

If you see a problem with the source submit a pull request on Github.

const maxmind = require('maxmind')
const path = require('path')
let db

module.exports = {
  auth: false,
  get: async (req) => {
    if (!req.query || !req.query.ip) {
      throw new Error('invalid-ip')
    }
    db = db || maxmind.openSync(path.join(__dirname, '../../../../GeoLite2-Country.mmdb'))
    if (process.env.NODE_ENV !== 'production' && req.query.ip === '127.0.0.1') {
      req.query.ip = '8.8.8.8'
    }
    const country = db.get(req.query.ip)
    if (country === null) {
      throw new Error('invalid-ip')
    }
    return country
  }
}

Test source (edit on github)

Tests perform real HTTP requests against a running Dashboard server.

/* eslint-env mocha */
const assert = require('assert')
const TestHelper = require('../../../../../test-helper.js')

describe('/api/user/maxmind/country', () => {
  describe('exceptions', () => {
    describe('invalid-ip', () => {
      it('missing querystring ip', async () => {
        const req = TestHelper.createRequest('/api/user/maxmind/country')
        let errorMesage
        try {
          await req.get()
        } catch (error) {
          errorMesage = error.message
        }
        assert.strictEqual(errorMesage, 'invalid-ip')
      })

      it('invalid querystring ip', async () => {
        const req = TestHelper.createRequest('/api/user/maxmind/country?ip=invalid')
        let errorMesage
        try {
          await req.get()
        } catch (error) {
          errorMesage = error.message
        }
        assert.strictEqual(errorMesage, 'invalid-ip')
      })
    })
  })

  describe('receives', () => {
    it('required querystring ip', async () => {
      const req = TestHelper.createRequest('/api/user/maxmind/country?ip=8.8.8.8')
      const country = await req.get()
      assert.strictEqual(country.country.iso_code, 'US')
    })
  })

  describe('returns', () => {
    it('object', async () => {
      const req = TestHelper.createRequest('/api/user/maxmind/country?ip=8.8.8.8')
      req.filename = __filename
      req.saveResponse = true
      const country = await req.get()
      assert.strictEqual(country.country.iso_code, 'US')
    })
  })
})