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package maxmind
import (
"encoding/json"
"fmt"
"os"
"path/filepath"
"strings"
"github.com/Loyalsoldier/geoip/lib"
"github.com/oschwald/geoip2-golang/v2"
"github.com/oschwald/maxminddb-golang/v2"
)
var (
defaultGeoLite2CountryMMDBOutputName = "Country.mmdb"
defaultMaxmindOutputDir = filepath.Join("./", "output", "maxmind")
defaultDBIPOutputDir = filepath.Join("./", "output", "db-ip")
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"`
ASName string `maxminddb:"as_name"`
ASDomain string `maxminddb:"as_domain"`
Continent string `maxminddb:"continent"`
ContinentCode string `maxminddb:"continent_code"`
Country string `maxminddb:"country"`
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 NewGeoLite2CountryMMDBOutFromBytes(iType string, iDesc string, action lib.Action, data json.RawMessage) (lib.OutputConverter, error) {
var tmp struct {
OutputName string `json:"outputName"`
OutputDir string `json:"outputDir"`
Want []string `json:"wantedList"`
Overwrite []string `json:"overwriteList"`
Exclude []string `json:"excludedList"`
OnlyIPType lib.IPType `json:"onlyIPType"`
SourceMMDBURI string `json:"sourceMMDBURI"`
}
if len(data) > 0 {
if err := json.Unmarshal(data, &tmp); err != nil {
return nil, err
}
}
return NewGeoLite2CountryMMDBOut(
iType, iDesc, action,
WithOutputName(tmp.OutputName),
WithOutputDir(tmp.OutputDir, iType),
WithOutputWantedList(tmp.Want),
WithOutputOverwriteList(tmp.Overwrite),
WithOutputExcludedList(tmp.Exclude),
WithOutputOnlyIPType(tmp.OnlyIPType),
WithSourceMMDBURI(tmp.SourceMMDBURI),
), nil
}
func (g *geoLite2CountryMMDBOut) GetExtraInfo() (map[string]any, error) {
if strings.TrimSpace(g.SourceMMDBURI) == "" {
return nil, nil
}
var content []byte
var err error
switch {
case strings.HasPrefix(strings.ToLower(g.SourceMMDBURI), "http://"), strings.HasPrefix(strings.ToLower(g.SourceMMDBURI), "https://"):
content, err = lib.GetRemoteURLContent(g.SourceMMDBURI)
default:
content, err = os.ReadFile(g.SourceMMDBURI)
}
if err != nil {
return nil, err
}
db, err := maxminddb.OpenBytes(content)
if err != nil {
return nil, err
}
defer db.Close()
infoList := make(map[string]any)
for network := range db.Networks() {
switch g.Type {
case TypeGeoLite2CountryMMDBOut:
var record geoip2.Country
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] = geoip2.Country{
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] = geoip2.Country{
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] = geoip2.Country{
Continent: record.Continent,
Country: geoip2.CountryRecord{
Names: record.RepresentedCountry.Names,
ISOCode: record.RepresentedCountry.ISOCode,
GeoNameID: record.RepresentedCountry.GeoNameID,
IsInEuropeanUnion: record.RepresentedCountry.IsInEuropeanUnion,
},
}
}
}
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 := network.Decode(&record)
if err != nil {
return nil, err
}
countryCode := strings.ToUpper(strings.TrimSpace(record.CountryCode))
if _, found := infoList[countryCode]; !found {
record.ASN = ""
record.ASName = ""
record.ASDomain = ""
infoList[countryCode] = record
}
default:
return nil, lib.ErrNotSupportedFormat
}
}
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)
}
return infoList, nil
}
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