Feat: update MMDB database releated dependencies202603050028202602260026202602190030202602120028202602050029202601290026202601220338

5 files changed, 206 insertions, 110 deletions

diff --git a/go.mod b/go.mod
index b749f247..ebe64a82 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,8 @@ go 1.24.0
 require (
 	github.com/klauspost/compress v1.18.3
 	github.com/maxmind/mmdbwriter v1.2.0
-	github.com/oschwald/geoip2-golang v1.13.0
-	github.com/oschwald/maxminddb-golang v1.13.1
+	github.com/oschwald/geoip2-golang/v2 v2.1.0
+	github.com/oschwald/maxminddb-golang/v2 v2.1.1
 	github.com/sagernet/sing-box v1.12.17
 	github.com/spf13/cobra v1.10.2
 	github.com/tailscale/hujson v0.0.0-20250605163823-992244df8c5a
@@ -19,7 +19,6 @@ require (
 require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/miekg/dns v1.1.67 // indirect
-	github.com/oschwald/maxminddb-golang/v2 v2.1.1 // indirect
 	github.com/sagernet/sing v0.7.14 // indirect
 	github.com/spf13/pflag v1.0.9 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
diff --git a/go.sum b/go.sum
index 1cab0103..f723e18c 100644
--- a/go.sum
+++ b/go.sum
@@ -11,10 +11,8 @@ github.com/maxmind/mmdbwriter v1.2.0 h1:hyvDopImmgvle3aR8AaddxXnT0iQH2KWJX3vNfkw
 github.com/maxmind/mmdbwriter v1.2.0/go.mod h1:EQmKHhk2y9DRVvyNxwCLKC5FrkXZLx4snc5OlLY5XLE=
 github.com/miekg/dns v1.1.67 h1:kg0EHj0G4bfT5/oOys6HhZw4vmMlnoZ+gDu8tJ/AlI0=
 github.com/miekg/dns v1.1.67/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
-github.com/oschwald/geoip2-golang v1.13.0 h1:Q44/Ldc703pasJeP5V9+aFSZFmBN7DKHbNsSFzQATJI=
-github.com/oschwald/geoip2-golang v1.13.0/go.mod h1:P9zG+54KPEFOliZ29i7SeYZ/GM6tfEL+rgSn03hYuUo=
-github.com/oschwald/maxminddb-golang v1.13.1 h1:G3wwjdN9JmIK2o/ermkHM+98oX5fS+k5MbwsmL4MRQE=
-github.com/oschwald/maxminddb-golang v1.13.1/go.mod h1:K4pgV9N/GcK694KSTmVSDTODk4IsCNThNdTmnaBZ/F8=
+github.com/oschwald/geoip2-golang/v2 v2.1.0 h1:DjnLhNJu9WHwTrmoiQFvgmyJoczhdnm7LB23UBI2Amo=
+github.com/oschwald/geoip2-golang/v2 v2.1.0/go.mod h1:qdVmcPgrTJ4q2eP9tHq/yldMTdp2VMr33uVdFbHBiBc=
 github.com/oschwald/maxminddb-golang/v2 v2.1.1 h1:lA8FH0oOrM4u7mLvowq8IT6a3Q/qEnqRzLQn9eH5ojc=
 github.com/oschwald/maxminddb-golang/v2 v2.1.1/go.mod h1:PLdx6PR+siSIoXqqy7C7r3SB3KZnhxWr1Dp6g0Hacl8=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
diff --git a/plugin/maxmind/common_out.go b/plugin/maxmind/common_out.go
index 01f10fc0..21063faa 100644
--- a/plugin/maxmind/common_out.go
+++ b/plugin/maxmind/common_out.go
@@ -8,8 +8,8 @@ import (
 	"strings"
 
 	"github.com/Loyalsoldier/geoip/lib"
-	"github.com/oschwald/geoip2-golang"
-	"github.com/oschwald/maxminddb-golang"
+	"github.com/oschwald/geoip2-golang/v2"
+	"github.com/oschwald/maxminddb-golang/v2"
 )
 
 var (
@@ -20,6 +20,15 @@ var (
 	defaultIPInfoOutputDir  = filepath.Join("./", "output", "ipinfo")
 )
 
+// Reference: https://github.com/oschwald/geoip2-golang/blob/HEAD/models.go
+var (
+	zeroDBIPLanguageNames      dbipLanguageNames
+	zeroDBIPContinent          dbipContinent
+	zeroDBIPCountryRecord      dbipCountryRecord
+	zeroDBIPRepresentedCountry dbipRepresentedCountry
+	zeroDBIPCountry            dbipCountry
+)
+
 // Reference: https://ipinfo.io/lite
 type ipInfoLite struct {
 	ASN           string `maxminddb:"asn"`
@@ -31,6 +40,66 @@ type ipInfoLite struct {
 	CountryCode   string `maxminddb:"country_code"`
 }
 
+// Reference: https://github.com/oschwald/geoip2-golang/blob/HEAD/models.go
+type dbipLanguageNames struct {
+	geoip2.Names
+
+	// Persian localized name
+	Persian string `json:"fa,omitzero" maxminddb:"fa"`
+	// Korean localized name
+	Korean string `json:"ko,omitzero" maxminddb:"ko"`
+}
+
+func (d dbipLanguageNames) HasData() bool {
+	return d != zeroDBIPLanguageNames
+}
+
+// Reference: https://github.com/oschwald/geoip2-golang/blob/HEAD/models.go
+type dbipContinent struct {
+	geoip2.Continent
+
+	Names dbipLanguageNames `json:"names,omitzero" maxminddb:"names"`
+}
+
+func (d dbipContinent) HasData() bool {
+	return d != zeroDBIPContinent
+}
+
+// Reference: https://github.com/oschwald/geoip2-golang/blob/HEAD/models.go
+type dbipCountryRecord struct {
+	geoip2.CountryRecord
+
+	Names dbipLanguageNames `json:"names,omitzero" maxminddb:"names"`
+}
+
+func (d dbipCountryRecord) HasData() bool {
+	return d != zeroDBIPCountryRecord
+}
+
+// Reference: https://github.com/oschwald/geoip2-golang/blob/HEAD/models.go
+type dbipRepresentedCountry struct {
+	geoip2.RepresentedCountry
+
+	Names dbipLanguageNames `json:"names,omitzero" maxminddb:"names"`
+}
+
+func (d dbipRepresentedCountry) HasData() bool {
+	return d != zeroDBIPRepresentedCountry
+}
+
+// Reference: https://github.com/oschwald/geoip2-golang/blob/HEAD/models.go
+type dbipCountry struct {
+	Traits             geoip2.CountryTraits   `json:"traits,omitzero"              maxminddb:"traits"`
+	Continent          dbipContinent          `json:"continent,omitzero"           maxminddb:"continent"`
+	RepresentedCountry dbipRepresentedCountry `json:"represented_country,omitzero" maxminddb:"represented_country"`
+	Country            dbipCountryRecord      `json:"country,omitzero"             maxminddb:"country"`
+	RegisteredCountry  dbipCountryRecord      `json:"registered_country,omitzero"  maxminddb:"registered_country"`
+}
+
+func (d dbipCountry) HasData() bool {
+	return d != zeroDBIPCountry
+}
+
 func newGeoLite2CountryMMDBOut(iType string, iDesc string, action lib.Action, data json.RawMessage) (lib.OutputConverter, error) {
 	var tmp struct {
 		OutputName string     `json:"outputName"`
@@ -98,26 +167,25 @@ func (g *GeoLite2CountryMMDBOut) GetExtraInfo() (map[string]any, error) {
 		return nil, err
 	}
 
-	db, err := maxminddb.FromBytes(content)
+	db, err := maxminddb.OpenBytes(content)
 	if err != nil {
 		return nil, err
 	}
 	defer db.Close()
 
 	infoList := make(map[string]any)
-	networks := db.Networks(maxminddb.SkipAliasedNetworks)
-	for networks.Next() {
+	for network := range db.Networks() {
 		switch g.Type {
-		case TypeGeoLite2CountryMMDBOut, TypeDBIPCountryMMDBOut:
+		case TypeGeoLite2CountryMMDBOut:
 			var record geoip2.Country
-			_, err := networks.Network(&record)
+			err := network.Decode(&record)
 			if err != nil {
 				return nil, err
 			}
 
 			switch {
-			case strings.TrimSpace(record.Country.IsoCode) != "":
-				countryCode := strings.ToUpper(strings.TrimSpace(record.Country.IsoCode))
+			case strings.TrimSpace(record.Country.ISOCode) != "":
+				countryCode := strings.ToUpper(strings.TrimSpace(record.Country.ISOCode))
 				if _, found := infoList[countryCode]; !found {
 					infoList[countryCode] = geoip2.Country{
 						Continent: record.Continent,
@@ -125,8 +193,8 @@ func (g *GeoLite2CountryMMDBOut) GetExtraInfo() (map[string]any, error) {
 					}
 				}
 
-			case strings.TrimSpace(record.RegisteredCountry.IsoCode) != "":
-				countryCode := strings.ToUpper(strings.TrimSpace(record.RegisteredCountry.IsoCode))
+			case strings.TrimSpace(record.RegisteredCountry.ISOCode) != "":
+				countryCode := strings.ToUpper(strings.TrimSpace(record.RegisteredCountry.ISOCode))
 				if _, found := infoList[countryCode]; !found {
 					infoList[countryCode] = geoip2.Country{
 						Continent: record.Continent,
@@ -134,19 +202,14 @@ func (g *GeoLite2CountryMMDBOut) GetExtraInfo() (map[string]any, error) {
 					}
 				}
 
-			case strings.TrimSpace(record.RepresentedCountry.IsoCode) != "":
-				countryCode := strings.ToUpper(strings.TrimSpace(record.RepresentedCountry.IsoCode))
+			case strings.TrimSpace(record.RepresentedCountry.ISOCode) != "":
+				countryCode := strings.ToUpper(strings.TrimSpace(record.RepresentedCountry.ISOCode))
 				if _, found := infoList[countryCode]; !found {
 					infoList[countryCode] = geoip2.Country{
 						Continent: record.Continent,
-						Country: struct {
-							Names             map[string]string `maxminddb:"names"`
-							IsoCode           string            `maxminddb:"iso_code"`
-							GeoNameID         uint              `maxminddb:"geoname_id"`
-							IsInEuropeanUnion bool              `maxminddb:"is_in_european_union"`
-						}{
+						Country: geoip2.CountryRecord{
 							Names:             record.RepresentedCountry.Names,
-							IsoCode:           record.RepresentedCountry.IsoCode,
+							ISOCode:           record.RepresentedCountry.ISOCode,
 							GeoNameID:         record.RepresentedCountry.GeoNameID,
 							IsInEuropeanUnion: record.RepresentedCountry.IsInEuropeanUnion,
 						},
@@ -154,9 +217,52 @@ func (g *GeoLite2CountryMMDBOut) GetExtraInfo() (map[string]any, error) {
 				}
 			}
 
+		case TypeDBIPCountryMMDBOut:
+			var record dbipCountry
+			err := network.Decode(&record)
+			if err != nil {
+				return nil, err
+			}
+
+			switch {
+			case strings.TrimSpace(record.Country.ISOCode) != "":
+				countryCode := strings.ToUpper(strings.TrimSpace(record.Country.ISOCode))
+				if _, found := infoList[countryCode]; !found {
+					infoList[countryCode] = dbipCountry{
+						Continent: record.Continent,
+						Country:   record.Country,
+					}
+				}
+
+			case strings.TrimSpace(record.RegisteredCountry.ISOCode) != "":
+				countryCode := strings.ToUpper(strings.TrimSpace(record.RegisteredCountry.ISOCode))
+				if _, found := infoList[countryCode]; !found {
+					infoList[countryCode] = dbipCountry{
+						Continent: record.Continent,
+						Country:   record.RegisteredCountry,
+					}
+				}
+
+			case strings.TrimSpace(record.RepresentedCountry.ISOCode) != "":
+				countryCode := strings.ToUpper(strings.TrimSpace(record.RepresentedCountry.ISOCode))
+				if _, found := infoList[countryCode]; !found {
+					infoList[countryCode] = dbipCountry{
+						Continent: record.Continent,
+						Country: dbipCountryRecord{
+							CountryRecord: geoip2.CountryRecord{
+								ISOCode:           record.RepresentedCountry.ISOCode,
+								GeoNameID:         record.RepresentedCountry.GeoNameID,
+								IsInEuropeanUnion: record.RepresentedCountry.IsInEuropeanUnion,
+							},
+							Names: record.RepresentedCountry.Names,
+						},
+					}
+				}
+			}
+
 		case TypeIPInfoCountryMMDBOut:
 			var record ipInfoLite
-			_, err := networks.Network(&record)
+			err := network.Decode(&record)
 			if err != nil {
 				return nil, err
 			}
@@ -174,10 +280,6 @@ func (g *GeoLite2CountryMMDBOut) GetExtraInfo() (map[string]any, error) {
 
 	}
 
-	if networks.Err() != nil {
-		return nil, networks.Err()
-	}
-
 	if len(infoList) == 0 {
 		return nil, fmt.Errorf("❌ [type %s | action %s] no extra info found in the source MMDB file: %s", g.Type, g.Action, g.SourceMMDBURI)
 	}
diff --git a/plugin/maxmind/maxmind_country_mmdb_in.go b/plugin/maxmind/maxmind_country_mmdb_in.go
index ab8be53f..be867b9b 100644
--- a/plugin/maxmind/maxmind_country_mmdb_in.go
+++ b/plugin/maxmind/maxmind_country_mmdb_in.go
@@ -3,13 +3,12 @@ package maxmind
 import (
 	"encoding/json"
 	"fmt"
-	"net"
 	"os"
 	"strings"
 
 	"github.com/Loyalsoldier/geoip/lib"
-	"github.com/oschwald/geoip2-golang"
-	"github.com/oschwald/maxminddb-golang"
+	"github.com/oschwald/geoip2-golang/v2"
+	"github.com/oschwald/maxminddb-golang/v2"
 )
 
 const (
@@ -97,38 +96,36 @@ func (g *GeoLite2CountryMMDBIn) Input(container lib.Container) (lib.Container, e
 }
 
 func (g *GeoLite2CountryMMDBIn) generateEntries(content []byte, entries map[string]*lib.Entry) error {
-	db, err := maxminddb.FromBytes(content)
+	db, err := maxminddb.OpenBytes(content)
 	if err != nil {
 		return err
 	}
 	defer db.Close()
 
-	networks := db.Networks(maxminddb.SkipAliasedNetworks)
-	for networks.Next() {
+	for network := range db.Networks() {
 		var name string
-		var subnet *net.IPNet
 		var err error
 
 		switch g.Type {
 		case TypeGeoLite2CountryMMDBIn, TypeDBIPCountryMMDBIn:
 			var record geoip2.Country
-			subnet, err = networks.Network(&record)
+			err = network.Decode(&record)
 			if err != nil {
 				return err
 			}
 
 			switch {
-			case strings.TrimSpace(record.Country.IsoCode) != "":
-				name = strings.ToUpper(strings.TrimSpace(record.Country.IsoCode))
-			case strings.TrimSpace(record.RegisteredCountry.IsoCode) != "":
-				name = strings.ToUpper(strings.TrimSpace(record.RegisteredCountry.IsoCode))
-			case strings.TrimSpace(record.RepresentedCountry.IsoCode) != "":
-				name = strings.ToUpper(strings.TrimSpace(record.RepresentedCountry.IsoCode))
+			case strings.TrimSpace(record.Country.ISOCode) != "":
+				name = strings.ToUpper(strings.TrimSpace(record.Country.ISOCode))
+			case strings.TrimSpace(record.RegisteredCountry.ISOCode) != "":
+				name = strings.ToUpper(strings.TrimSpace(record.RegisteredCountry.ISOCode))
+			case strings.TrimSpace(record.RepresentedCountry.ISOCode) != "":
+				name = strings.ToUpper(strings.TrimSpace(record.RepresentedCountry.ISOCode))
 			}
 
 		case TypeIPInfoCountryMMDBIn:
 			var record ipInfoLite
-			subnet, err = networks.Network(&record)
+			err = network.Decode(&record)
 			if err != nil {
 				return err
 			}
@@ -138,7 +135,7 @@ func (g *GeoLite2CountryMMDBIn) generateEntries(content []byte, entries map[stri
 			return lib.ErrNotSupportedFormat
 		}
 
-		if name == "" || subnet == nil {
+		if name == "" || !network.Found() {
 			continue
 		}
 
@@ -151,16 +148,12 @@ func (g *GeoLite2CountryMMDBIn) generateEntries(content []byte, entries map[stri
 			entry = lib.NewEntry(name)
 		}
 
-		if err := entry.AddPrefix(subnet); err != nil {
+		if err := entry.AddPrefix(network.Prefix()); err != nil {
 			return err
 		}
 
 		entries[name] = entry
 	}
 
-	if networks.Err() != nil {
-		return networks.Err()
-	}
-
 	return nil
 }
diff --git a/plugin/maxmind/maxmind_country_mmdb_out.go b/plugin/maxmind/maxmind_country_mmdb_out.go
index 7cba249e..4cf4cef6 100644
--- a/plugin/maxmind/maxmind_country_mmdb_out.go
+++ b/plugin/maxmind/maxmind_country_mmdb_out.go
@@ -12,7 +12,7 @@ import (
 	"github.com/Loyalsoldier/geoip/lib"
 	"github.com/maxmind/mmdbwriter"
 	"github.com/maxmind/mmdbwriter/mmdbtype"
-	"github.com/oschwald/geoip2-golang"
+	"github.com/oschwald/geoip2-golang/v2"
 )
 
 const (
@@ -58,16 +58,19 @@ func (g *GeoLite2CountryMMDBOut) GetDescription() string {
 func (g *GeoLite2CountryMMDBOut) Output(container lib.Container) error {
 	dbName := ""
 	dbDesc := ""
-	recordSize := 28
+	dbLanguages := []string{"en"}
+	recordSize := 24
 
 	switch g.Type {
 	case TypeGeoLite2CountryMMDBOut:
 		dbName = "GeoLite2-Country"
 		dbDesc = "Customized GeoLite2 Country database"
+		dbLanguages = []string{"de", "en", "es", "fr", "ja", "pt-BR", "ru", "zh-CN"}
 
 	case TypeDBIPCountryMMDBOut:
 		dbName = "DBIP-Country-Lite"
 		dbDesc = "Customized DB-IP Country Lite database"
+		dbLanguages = []string{"de", "en", "es", "fr", "ja", "pt-BR", "ru", "zh-CN", "fa", "ko"}
 
 	case TypeIPInfoCountryMMDBOut:
 		dbName = "IPInfo-Lite"
@@ -79,6 +82,7 @@ func (g *GeoLite2CountryMMDBOut) Output(container lib.Container) error {
 		mmdbwriter.Options{
 			DatabaseType:            dbName,
 			Description:             map[string]string{"en": dbDesc},
+			Languages:               dbLanguages,
 			RecordSize:              recordSize,
 			IncludeReservedNetworks: true,
 		},
@@ -222,28 +226,28 @@ func (g *GeoLite2CountryMMDBOut) marshalData(writer *mmdbwriter.Tree, entry *lib
 				record = mmdbtype.Map{
 					"continent": mmdbtype.Map{
 						"names": mmdbtype.Map{
-							"de":    mmdbtype.String(info.Continent.Names["de"]),
-							"en":    mmdbtype.String(info.Continent.Names["en"]),
-							"es":    mmdbtype.String(info.Continent.Names["es"]),
-							"fr":    mmdbtype.String(info.Continent.Names["fr"]),
-							"ja":    mmdbtype.String(info.Continent.Names["ja"]),
-							"pt-BR": mmdbtype.String(info.Continent.Names["pt-BR"]),
-							"ru":    mmdbtype.String(info.Continent.Names["ru"]),
-							"zh-CN": mmdbtype.String(info.Continent.Names["zh-CN"]),
+							"de":    mmdbtype.String(info.Continent.Names.German),
+							"en":    mmdbtype.String(info.Continent.Names.English),
+							"es":    mmdbtype.String(info.Continent.Names.Spanish),
+							"fr":    mmdbtype.String(info.Continent.Names.French),
+							"ja":    mmdbtype.String(info.Continent.Names.Japanese),
+							"pt-BR": mmdbtype.String(info.Continent.Names.BrazilianPortuguese),
+							"ru":    mmdbtype.String(info.Continent.Names.Russian),
+							"zh-CN": mmdbtype.String(info.Continent.Names.SimplifiedChinese),
 						},
 						"code":       mmdbtype.String(info.Continent.Code),
 						"geoname_id": mmdbtype.Uint32(info.Continent.GeoNameID),
 					},
 					"country": mmdbtype.Map{
 						"names": mmdbtype.Map{
-							"de":    mmdbtype.String(info.Country.Names["de"]),
-							"en":    mmdbtype.String(info.Country.Names["en"]),
-							"es":    mmdbtype.String(info.Country.Names["es"]),
-							"fr":    mmdbtype.String(info.Country.Names["fr"]),
-							"ja":    mmdbtype.String(info.Country.Names["ja"]),
-							"pt-BR": mmdbtype.String(info.Country.Names["pt-BR"]),
-							"ru":    mmdbtype.String(info.Country.Names["ru"]),
-							"zh-CN": mmdbtype.String(info.Country.Names["zh-CN"]),
+							"de":    mmdbtype.String(info.Country.Names.German),
+							"en":    mmdbtype.String(info.Country.Names.English),
+							"es":    mmdbtype.String(info.Country.Names.Spanish),
+							"fr":    mmdbtype.String(info.Country.Names.French),
+							"ja":    mmdbtype.String(info.Country.Names.Japanese),
+							"pt-BR": mmdbtype.String(info.Country.Names.BrazilianPortuguese),
+							"ru":    mmdbtype.String(info.Country.Names.Russian),
+							"zh-CN": mmdbtype.String(info.Country.Names.SimplifiedChinese),
 						},
 						"iso_code":             mmdbtype.String(entry.GetName()),
 						"geoname_id":           mmdbtype.Uint32(info.Country.GeoNameID),
@@ -254,14 +258,14 @@ func (g *GeoLite2CountryMMDBOut) marshalData(writer *mmdbwriter.Tree, entry *lib
 				record = mmdbtype.Map{
 					"country": mmdbtype.Map{
 						"names": mmdbtype.Map{
-							"de":    mmdbtype.String(info.Country.Names["de"]),
-							"en":    mmdbtype.String(info.Country.Names["en"]),
-							"es":    mmdbtype.String(info.Country.Names["es"]),
-							"fr":    mmdbtype.String(info.Country.Names["fr"]),
-							"ja":    mmdbtype.String(info.Country.Names["ja"]),
-							"pt-BR": mmdbtype.String(info.Country.Names["pt-BR"]),
-							"ru":    mmdbtype.String(info.Country.Names["ru"]),
-							"zh-CN": mmdbtype.String(info.Country.Names["zh-CN"]),
+							"de":    mmdbtype.String(info.Country.Names.German),
+							"en":    mmdbtype.String(info.Country.Names.English),
+							"es":    mmdbtype.String(info.Country.Names.Spanish),
+							"fr":    mmdbtype.String(info.Country.Names.French),
+							"ja":    mmdbtype.String(info.Country.Names.Japanese),
+							"pt-BR": mmdbtype.String(info.Country.Names.BrazilianPortuguese),
+							"ru":    mmdbtype.String(info.Country.Names.Russian),
+							"zh-CN": mmdbtype.String(info.Country.Names.SimplifiedChinese),
 						},
 						"iso_code":             mmdbtype.String(entry.GetName()),
 						"geoname_id":           mmdbtype.Uint32(info.Country.GeoNameID),
@@ -271,7 +275,7 @@ func (g *GeoLite2CountryMMDBOut) marshalData(writer *mmdbwriter.Tree, entry *lib
 			}
 
 		case TypeDBIPCountryMMDBOut:
-			info, found := extraInfo[entry.GetName()].(geoip2.Country)
+			info, found := extraInfo[entry.GetName()].(dbipCountry)
 			if !found {
 				log.Printf("⚠️ [type %s | action %s] not found extra info for list %s\n", g.Type, g.Action, entry.GetName())
 
@@ -284,32 +288,32 @@ func (g *GeoLite2CountryMMDBOut) marshalData(writer *mmdbwriter.Tree, entry *lib
 				record = mmdbtype.Map{
 					"continent": mmdbtype.Map{
 						"names": mmdbtype.Map{
-							"de":    mmdbtype.String(info.Continent.Names["de"]),
-							"en":    mmdbtype.String(info.Continent.Names["en"]),
-							"es":    mmdbtype.String(info.Continent.Names["es"]),
-							"fa":    mmdbtype.String(info.Continent.Names["fa"]),
-							"fr":    mmdbtype.String(info.Continent.Names["fr"]),
-							"ja":    mmdbtype.String(info.Continent.Names["ja"]),
-							"ko":    mmdbtype.String(info.Continent.Names["ko"]),
-							"pt-BR": mmdbtype.String(info.Continent.Names["pt-BR"]),
-							"ru":    mmdbtype.String(info.Continent.Names["ru"]),
-							"zh-CN": mmdbtype.String(info.Continent.Names["zh-CN"]),
+							"de":    mmdbtype.String(info.Continent.Names.German),
+							"en":    mmdbtype.String(info.Continent.Names.English),
+							"es":    mmdbtype.String(info.Continent.Names.Spanish),
+							"fa":    mmdbtype.String(info.Continent.Names.Persian),
+							"fr":    mmdbtype.String(info.Continent.Names.French),
+							"ja":    mmdbtype.String(info.Continent.Names.Japanese),
+							"ko":    mmdbtype.String(info.Continent.Names.Korean),
+							"pt-BR": mmdbtype.String(info.Continent.Names.BrazilianPortuguese),
+							"ru":    mmdbtype.String(info.Continent.Names.Russian),
+							"zh-CN": mmdbtype.String(info.Continent.Names.SimplifiedChinese),
 						},
 						"code":       mmdbtype.String(info.Continent.Code),
 						"geoname_id": mmdbtype.Uint32(info.Continent.GeoNameID),
 					},
 					"country": mmdbtype.Map{
 						"names": mmdbtype.Map{
-							"de":    mmdbtype.String(info.Country.Names["de"]),
-							"en":    mmdbtype.String(info.Country.Names["en"]),
-							"es":    mmdbtype.String(info.Country.Names["es"]),
-							"fa":    mmdbtype.String(info.Country.Names["fa"]),
-							"fr":    mmdbtype.String(info.Country.Names["fr"]),
-							"ja":    mmdbtype.String(info.Country.Names["ja"]),
-							"ko":    mmdbtype.String(info.Country.Names["ko"]),
-							"pt-BR": mmdbtype.String(info.Country.Names["pt-BR"]),
-							"ru":    mmdbtype.String(info.Country.Names["ru"]),
-							"zh-CN": mmdbtype.String(info.Country.Names["zh-CN"]),
+							"de":    mmdbtype.String(info.Country.Names.German),
+							"en":    mmdbtype.String(info.Country.Names.English),
+							"es":    mmdbtype.String(info.Country.Names.Spanish),
+							"fa":    mmdbtype.String(info.Country.Names.Persian),
+							"fr":    mmdbtype.String(info.Country.Names.French),
+							"ja":    mmdbtype.String(info.Country.Names.Japanese),
+							"ko":    mmdbtype.String(info.Country.Names.Korean),
+							"pt-BR": mmdbtype.String(info.Country.Names.BrazilianPortuguese),
+							"ru":    mmdbtype.String(info.Country.Names.Russian),
+							"zh-CN": mmdbtype.String(info.Country.Names.SimplifiedChinese),
 						},
 						"iso_code":             mmdbtype.String(entry.GetName()),
 						"geoname_id":           mmdbtype.Uint32(info.Country.GeoNameID),
@@ -320,16 +324,16 @@ func (g *GeoLite2CountryMMDBOut) marshalData(writer *mmdbwriter.Tree, entry *lib
 				record = mmdbtype.Map{
 					"country": mmdbtype.Map{
 						"names": mmdbtype.Map{
-							"de":    mmdbtype.String(info.Country.Names["de"]),
-							"en":    mmdbtype.String(info.Country.Names["en"]),
-							"es":    mmdbtype.String(info.Country.Names["es"]),
-							"fa":    mmdbtype.String(info.Country.Names["fa"]),
-							"fr":    mmdbtype.String(info.Country.Names["fr"]),
-							"ja":    mmdbtype.String(info.Country.Names["ja"]),
-							"ko":    mmdbtype.String(info.Country.Names["ko"]),
-							"pt-BR": mmdbtype.String(info.Country.Names["pt-BR"]),
-							"ru":    mmdbtype.String(info.Country.Names["ru"]),
-							"zh-CN": mmdbtype.String(info.Country.Names["zh-CN"]),
+							"de":    mmdbtype.String(info.Country.Names.German),
+							"en":    mmdbtype.String(info.Country.Names.English),
+							"es":    mmdbtype.String(info.Country.Names.Spanish),
+							"fa":    mmdbtype.String(info.Country.Names.Persian),
+							"fr":    mmdbtype.String(info.Country.Names.French),
+							"ja":    mmdbtype.String(info.Country.Names.Japanese),
+							"ko":    mmdbtype.String(info.Country.Names.Korean),
+							"pt-BR": mmdbtype.String(info.Country.Names.BrazilianPortuguese),
+							"ru":    mmdbtype.String(info.Country.Names.Russian),
+							"zh-CN": mmdbtype.String(info.Country.Names.SimplifiedChinese),
 						},
 						"iso_code":             mmdbtype.String(entry.GetName()),
 						"geoname_id":           mmdbtype.Uint32(info.Country.GeoNameID),