feat: maxmind geolocation

Signed-off-by: Chris Gianelloni <[email protected]>

README.md

@@ -81,3 +81,9 @@ prometheus:
 ```
 
 An example configuration is provided at `config.yaml.example`.
+
+## GeoLocation
+
+We embed free GeoLite2 city data created by MaxMind, available
+from https://www.maxmind.com and licensed under CC BY-SA 4.0
+<https://creativecommons.org/licenses/by-sa/4.0/>

go.mod

@@ -3,12 +3,12 @@ module github.com/blinklabs-io/nview
 go 1.20
 
 require (
-	github.com/Shivam010/go-freeGeoIP v0.1.1
 	github.com/blinklabs-io/gouroboros v0.70.1
 	github.com/gdamore/tcell/v2 v2.7.0
 	github.com/kelseyhightower/envconfig v1.4.0
 	github.com/mikioh/tcp v0.0.0-20190314235350-803a9b46060c
 	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b
+	github.com/oschwald/geoip2-golang v1.9.0
 	github.com/prometheus/client_model v0.5.0
 	github.com/prometheus/common v0.46.0
 	github.com/rivo/tview v0.0.0-20230406072732-e22ce9588bb4
@@ -27,7 +27,7 @@ require (
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
-	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
+	github.com/oschwald/maxminddb-golang v1.11.0 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/rivo/uniseg v0.4.3 // indirect
 	github.com/shoenig/go-m1cpu v0.1.6 // indirect

go.sum

@@ -1,5 +1,3 @@
-github.com/Shivam010/go-freeGeoIP v0.1.1 h1:C3429ZzKXlltMrpb/7OIgUb2uR8xkAVEIdcslyeLqkE=
-github.com/Shivam010/go-freeGeoIP v0.1.1/go.mod h1:wQ0uai0rKfE8rS97cPg9zUVPo4rwEfJcfU5Y8tvj49M=
 github.com/blinklabs-io/gouroboros v0.70.1 h1:Jj+d8yoRRQnWjv3qwUvicavyi2AGdhDqCxNVWXhZhb8=
 github.com/blinklabs-io/gouroboros v0.70.1/go.mod h1:ecxtryJb+vIeVizQl4nYJr0tVdyIgOTze7R9xeGqFu4=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
@@ -38,8 +36,10 @@ github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b h1:z78hV3sbSMAUoyUM
 github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b/go.mod h1:lxPUiZwKoFL8DUUmalo2yJJUCxbPKtm8OKfqr2/FTNU=
 github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc h1:PTfri+PuQmWDqERdnNMiD9ZejrlswWrCpBEZgWOiTrc=
 github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc/go.mod h1:cGKTAVKx4SxOuR/czcZ/E2RSJ3sfHs8FpHhQ5CWMf9s=
-github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/oschwald/geoip2-golang v1.9.0 h1:uvD3O6fXAXs+usU+UGExshpdP13GAqp4GBrzN7IgKZc=
+github.com/oschwald/geoip2-golang v1.9.0/go.mod h1:BHK6TvDyATVQhKNbQBdrj9eAvuwOMi2zSFXizL3K81Y=
+github.com/oschwald/maxminddb-golang v1.11.0 h1:aSXMqYR/EPNjGE8epgqwDay+P30hCBZIveY0WZbAWh0=
+github.com/oschwald/maxminddb-golang v1.11.0/go.mod h1:YmVI+H0zh3ySFR3w+oz8PCfglAFj3PuCmui13+P9zDg=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=

resources/GeoLite2-City.mmdb.version

@@ -0,0 +1 @@
+20240206

utils.go

@@ -16,14 +16,15 @@ package main
 
 import (
 	"context"
+	_ "embed"
 	"fmt"
 	"net"
-	"net/http"
 	"os/exec"
 	"strings"
 	"time"
 
-	geoip "github.com/Shivam010/go-freeGeoIP"
+	"github.com/oschwald/geoip2-golang"
+
 	"github.com/blinklabs-io/nview/internal/config"
 )
 
@@ -68,18 +69,28 @@ func getPublicIP(ctx context.Context) (net.IP, error) {
 	return nil, nil
 }
 
+// MaxMind database (20240206), available from https://www.maxmind.com
+//
+//go:embed resources/GeoLite2-City.mmdb
+var MaxmindDB []byte
+
 func getGeoIP(ctx context.Context, address string) string {
-	client := &geoip.Client{
-		Cache:   geoip.DefaultCache(),
-		HttpCli: &http.Client{Timeout: time.Second * 2},
+	db, err := geoip2.FromBytes(MaxmindDB)
+	if err != nil {
+		return "---"
 	}
-	ip := geoip.ParseIP(address)
-	resp := client.GetGeoInfo(ctx, ip)
-	if err := resp.Error; err != nil {
-		return "---" // fmt.Sprintf("%s", resp.Error)
+	defer db.Close()
+	ip := net.ParseIP(address)
+	record, err := db.City(ip)
+	if err != nil {
+		return "---"
 	}
-	if resp.Info.City == "" {
-		return resp.Info.CountryCode
+	if len(record.City.Names["en"]) == 0 {
+		if len(record.Country.IsoCode) == 0 {
+			return "---"
+		} else {
+			return fmt.Sprintf("%v", record.Country.IsoCode)
+		}
 	}
-	return fmt.Sprintf("%s, %s", resp.Info.City, resp.Info.CountryCode)
+	return fmt.Sprintf("%v, %v", record.City.Names["en"], record.Country.IsoCode)
 }