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33 lines
496 B
Go
33 lines
496 B
Go
package geoip
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import (
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"net"
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"strings"
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"sync"
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"github.com/oschwald/geoip2-golang"
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)
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var (
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mmdb *geoip2.Reader
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loadOnce sync.Once
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loadErr error
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)
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func LoadMMDB(path string) error {
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if loadErr != nil {
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loadOnce = sync.Once{}
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}
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loadOnce.Do(func() {
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mmdb, loadErr = geoip2.Open(path)
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})
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return loadErr
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}
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func Match(code string, ip net.IP) bool {
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country, err := mmdb.Country(ip)
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if err != nil {
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return false
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}
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return strings.EqualFold(country.Country.IsoCode, code)
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}
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