f271e71c0b
* doc(geolocate): minor cleanup * more minor cleanups of geolocate * remove disabled test and see whether now it works
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package geolocate
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import (
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"net"
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"github.com/ooni/probe-assets/assets"
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"github.com/oschwald/geoip2-golang"
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)
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type mmdbLookupper struct{}
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func (mmdbLookupper) LookupASN(ip string) (asn uint, org string, err error) {
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asn, org = DefaultProbeASN, DefaultProbeNetworkName
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db, err := geoip2.FromBytes(assets.ASNDatabaseData())
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if err != nil {
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return
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}
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defer db.Close()
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record, err := db.ASN(net.ParseIP(ip))
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if err != nil {
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return
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}
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asn = record.AutonomousSystemNumber
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if record.AutonomousSystemOrganization != "" {
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org = record.AutonomousSystemOrganization
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}
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return
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}
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// LookupASN returns the ASN and the organization associated with the
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// given IP address.
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func LookupASN(ip string) (asn uint, org string, err error) {
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return (mmdbLookupper{}).LookupASN(ip)
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}
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func (mmdbLookupper) LookupCC(ip string) (cc string, err error) {
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cc = DefaultProbeCC
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db, err := geoip2.FromBytes(assets.CountryDatabaseData())
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if err != nil {
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return
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}
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defer db.Close()
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record, err := db.Country(net.ParseIP(ip))
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if err != nil {
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return
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}
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// With MaxMind DB we used record.RegisteredCountry.IsoCode but that does
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// not seem to work with the db-ip.com database. The record is empty, at
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// least for my own IP address in Italy. --Simone (2020-02-25)
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if record.Country.IsoCode != "" {
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cc = record.Country.IsoCode
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}
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return
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}
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