mirror of
https://github.com/PeernetOfficial/Abstraction.git
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51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
/*
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File Name: GeoIP.go
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Copyright: 2021 Peernet Foundation s.r.o.
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Author: Peter Kleissner
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Support for the free MaxMind database 'GeoLite2 City'.
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Information about the database: https://dev.maxmind.com/geoip/geolite2-free-geolocation-data
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Potential libraries:
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* https://github.com/IncSW/geoip2
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* https://github.com/oschwald/maxminddb-golang
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The IncSW lib was chosen because it has 0 dependencies - awesome!
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*/
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package webapi
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import (
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"net"
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"github.com/IncSW/geoip2"
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"github.com/PeernetOfficial/core"
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)
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func (api *WebapiInstance) InitGeoIPDatabase(filename string) (err error) {
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api.geoipCityReader, err = geoip2.NewCityReaderFromFile(filename)
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return err
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}
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func (api *WebapiInstance) GeoIPLocation(IP net.IP) (latitude, longitude float64, valid bool) {
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if api.geoipCityReader == nil {
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return 0, 0, false
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}
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record, err := api.geoipCityReader.Lookup(IP)
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if err != nil {
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return 0, 0, false
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}
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return record.Location.Latitude, record.Location.Longitude, true
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}
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func (api *WebapiInstance) Peer2GeoIP(peer *core.PeerInfo) (latitude, longitude float64, valid bool) {
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if connection := peer.GetConnection2Share(false, true, true); connection != nil {
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return api.GeoIPLocation(connection.Address.IP)
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}
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return 0, 0, false
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}
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