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Copy pathip2location.go
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1265 lines (1107 loc) · 40.7 KB
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// This ip2location package provides a fast lookup of country, region, city, latitude, longitude, ZIP code, time zone,
// ISP, domain name, connection type, IDD code, area code, weather station code, station name, MCC, MNC,
// mobile brand, elevation, usage type, address type, IAB category, district, autonomous system number (ASN),
// autonomous system (AS), AS domain, AS usage type and AS CIDR from IP address by using IP2Location database.
package ip2location
import (
"bytes"
"encoding/binary"
"errors"
"fmt"
"io"
"lukechampine.com/uint128"
"math"
"math/big"
"net"
"os"
"strconv"
"unsafe"
)
type DBReader interface {
io.ReadCloser
io.ReaderAt
}
type ip2locationmeta struct {
databasetype uint8
databasecolumn uint8
databaseday uint8
databasemonth uint8
databaseyear uint8
ipv4databasecount uint32
ipv4databaseaddr uint32
ipv6databasecount uint32
ipv6databaseaddr uint32
ipv4indexed bool
ipv6indexed bool
ipv4indexbaseaddr uint32
ipv6indexbaseaddr uint32
ipv4columnsize uint32
ipv6columnsize uint32
productcode uint8
producttype uint8
filesize uint32
}
// The IP2Locationrecord struct stores all of the available
// geolocation info found in the IP2Location database.
type IP2Locationrecord struct {
Country_short string
Country_long string
Region string
City string
Isp string
Latitude float32
Longitude float32
Domain string
Zipcode string
Timezone string
Netspeed string
Iddcode string
Areacode string
Weatherstationcode string
Weatherstationname string
Mcc string
Mnc string
Mobilebrand string
Elevation float32
Usagetype string
Addresstype string
Category string
District string
Asn string
As string
Asdomain string
Asusagetype string
Ascidr string
}
type DB struct {
f DBReader
meta ip2locationmeta
country_position_offset uint32
region_position_offset uint32
city_position_offset uint32
isp_position_offset uint32
domain_position_offset uint32
zipcode_position_offset uint32
latitude_position_offset uint32
longitude_position_offset uint32
timezone_position_offset uint32
netspeed_position_offset uint32
iddcode_position_offset uint32
areacode_position_offset uint32
weatherstationcode_position_offset uint32
weatherstationname_position_offset uint32
mcc_position_offset uint32
mnc_position_offset uint32
mobilebrand_position_offset uint32
elevation_position_offset uint32
usagetype_position_offset uint32
addresstype_position_offset uint32
category_position_offset uint32
district_position_offset uint32
asn_position_offset uint32
as_position_offset uint32
asdomain_position_offset uint32
asusagetype_position_offset uint32
ascidr_position_offset uint32
country_enabled bool
region_enabled bool
city_enabled bool
isp_enabled bool
domain_enabled bool
zipcode_enabled bool
latitude_enabled bool
longitude_enabled bool
timezone_enabled bool
netspeed_enabled bool
iddcode_enabled bool
areacode_enabled bool
weatherstationcode_enabled bool
weatherstationname_enabled bool
mcc_enabled bool
mnc_enabled bool
mobilebrand_enabled bool
elevation_enabled bool
usagetype_enabled bool
addresstype_enabled bool
category_enabled bool
district_enabled bool
asn_enabled bool
as_enabled bool
asdomain_enabled bool
asusagetype_enabled bool
ascidr_enabled bool
metaok bool
}
var defaultDB = &DB{}
var country_position = [27]uint8{0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2}
var region_position = [27]uint8{0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3}
var city_position = [27]uint8{0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4}
var isp_position = [27]uint8{0, 0, 3, 0, 5, 0, 7, 5, 7, 0, 8, 0, 9, 0, 9, 0, 9, 0, 9, 7, 9, 0, 9, 7, 9, 9, 9}
var latitude_position = [27]uint8{0, 0, 0, 0, 0, 5, 5, 0, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5}
var longitude_position = [27]uint8{0, 0, 0, 0, 0, 6, 6, 0, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6}
var domain_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 6, 8, 0, 9, 0, 10, 0, 10, 0, 10, 0, 10, 8, 10, 0, 10, 8, 10, 10, 10}
var zipcode_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 7, 7, 7, 0, 7, 7, 7, 0, 7, 0, 7, 7, 7, 0, 7, 7, 7}
var timezone_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 8, 7, 8, 8, 8, 7, 8, 0, 8, 8, 8, 0, 8, 8, 8}
var netspeed_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 11, 0, 11, 8, 11, 0, 11, 0, 11, 0, 11, 11, 11}
var iddcode_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 12, 0, 12, 0, 12, 9, 12, 0, 12, 12, 12}
var areacode_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 13, 0, 13, 0, 13, 10, 13, 0, 13, 13, 13}
var weatherstationcode_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 14, 0, 14, 0, 14, 0, 14, 14, 14}
var weatherstationname_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 15, 0, 15, 0, 15, 0, 15, 15, 15}
var mcc_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 16, 0, 16, 9, 16, 16, 16}
var mnc_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 17, 0, 17, 10, 17, 17, 17}
var mobilebrand_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 18, 0, 18, 11, 18, 18, 18}
var elevation_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 19, 0, 19, 19, 19}
var usagetype_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12, 20, 20, 20}
var addresstype_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 21}
var category_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 22, 22}
var district_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23}
var asn_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24}
var as_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25}
var asdomain_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26}
var asusagetype_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 27}
var ascidr_position = [27]uint8{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 28}
const api_version string = "9.8.0"
var max_ipv4_range = uint128.From64(4294967295)
var max_ipv6_range = uint128.From64(0)
var from_v4mapped = uint128.From64(281470681743360)
var to_v4mapped = uint128.From64(281474976710655)
var from_6to4 = uint128.From64(0)
var to_6to4 = uint128.From64(0)
var from_teredo = uint128.From64(0)
var to_teredo = uint128.From64(0)
var last_32bits = uint128.From64(4294967295)
const countryshort uint32 = 0x0000001
const countrylong uint32 = 0x0000002
const region uint32 = 0x0000004
const city uint32 = 0x0000008
const isp uint32 = 0x0000010
const latitude uint32 = 0x0000020
const longitude uint32 = 0x0000040
const domain uint32 = 0x0000080
const zipcode uint32 = 0x0000100
const timezone uint32 = 0x0000200
const netspeed uint32 = 0x0000400
const iddcode uint32 = 0x0000800
const areacode uint32 = 0x0001000
const weatherstationcode uint32 = 0x0002000
const weatherstationname uint32 = 0x0004000
const mcc uint32 = 0x0008000
const mnc uint32 = 0x0010000
const mobilebrand uint32 = 0x0020000
const elevation uint32 = 0x0040000
const usagetype uint32 = 0x0080000
const addresstype uint32 = 0x0100000
const category uint32 = 0x0200000
const district uint32 = 0x0400000
const asn uint32 = 0x0800000
const as uint32 = 0x1000000
const asdomain uint32 = 0x2000000
const asusagetype uint32 = 0x4000000
const ascidr uint32 = 0x8000000
const all uint32 = countryshort | countrylong | region | city | isp | latitude | longitude | domain | zipcode | timezone | netspeed | iddcode | areacode | weatherstationcode | weatherstationname | mcc | mnc | mobilebrand | elevation | usagetype | addresstype | category | district | asn | as | asdomain | asusagetype | ascidr
const invalid_address string = "Invalid IP address."
const missing_file string = "Invalid database file."
const not_supported string = "This parameter is unavailable for selected data file. Please upgrade the data file."
const invalid_bin string = "Incorrect IP2Location BIN file format. Please make sure that you are using the latest IP2Location BIN file."
const ipv6_not_supported string = "IPv6 address missing in IPv4 BIN."
func reverseBytes(s []byte) {
for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
s[i], s[j] = s[j], s[i]
}
}
// get IP type and calculate IP number; calculates index too if exists
func (d *DB) checkip(ip string) (iptype uint32, ipnum uint128.Uint128, ipindex uint32) {
iptype = 0
ipnum = uint128.From64(0)
ipnumtmp := uint128.From64(0)
ipindex = 0
ipaddress := net.ParseIP(ip)
if ipaddress != nil {
v4 := ipaddress.To4()
if v4 != nil {
iptype = 4
ipnum = uint128.From64(uint64(binary.BigEndian.Uint32(v4)))
} else {
v6 := ipaddress.To16()
if v6 != nil {
iptype = 6
reverseBytes(v6)
ipnum = uint128.FromBytes(v6)
if ipnum.Cmp(from_v4mapped) >= 0 && ipnum.Cmp(to_v4mapped) <= 0 {
// ipv4-mapped ipv6 should treat as ipv4 and read ipv4 data section
iptype = 4
ipnum = ipnum.Sub(from_v4mapped)
} else if ipnum.Cmp(from_6to4) >= 0 && ipnum.Cmp(to_6to4) <= 0 {
// 6to4 so need to remap to ipv4
iptype = 4
ipnum = ipnum.Rsh(80)
ipnum = ipnum.And(last_32bits)
} else if ipnum.Cmp(from_teredo) >= 0 && ipnum.Cmp(to_teredo) <= 0 {
// Teredo so need to remap to ipv4
iptype = 4
ipnum = uint128.Uint128{^ipnum.Lo, ^ipnum.Hi}
ipnum = ipnum.And(last_32bits)
}
}
}
}
if iptype == 4 {
if d.meta.ipv4indexed {
ipnumtmp = ipnum.Rsh(16)
ipnumtmp = ipnumtmp.Lsh(3)
ipindex = uint32(ipnumtmp.Add(uint128.From64(uint64(d.meta.ipv4indexbaseaddr))).Lo)
}
} else if iptype == 6 {
if d.meta.ipv6indexed {
ipnumtmp = ipnum.Rsh(112)
ipnumtmp = ipnumtmp.Lsh(3)
ipindex = uint32(ipnumtmp.Add(uint128.From64(uint64(d.meta.ipv6indexbaseaddr))).Lo)
}
}
return
}
// read byte
func (d *DB) readuint8(pos int64) (uint8, error) {
var retval uint8
data := make([]byte, 1)
_, err := d.f.ReadAt(data, pos-1)
if err != nil {
return 0, err
}
retval = data[0]
return retval, nil
}
// read row
func (d *DB) read_row(pos uint32, size uint32) ([]byte, error) {
pos2 := int64(pos)
data := make([]byte, size)
_, err := d.f.ReadAt(data, pos2-1)
if err != nil {
return nil, err
}
return data, nil
}
// read unsigned 32-bit integer from slices
func (d *DB) readuint32_row(row []byte, pos uint32) uint32 {
var retval uint32
data := row[pos : pos+4]
retval = binary.LittleEndian.Uint32(data)
return retval
}
// read unsigned 32-bit integer
func (d *DB) readuint32(pos uint32) (uint32, error) {
pos2 := int64(pos)
var retval uint32
data := make([]byte, 4)
_, err := d.f.ReadAt(data, pos2-1)
if err != nil {
return 0, err
}
buf := bytes.NewReader(data)
err = binary.Read(buf, binary.LittleEndian, &retval)
if err != nil {
fmt.Printf("binary read failed: %v", err)
}
return retval, nil
}
// read unsigned 128-bit integer from slices
func (d *DB) readuint128_row(row []byte, pos uint32) uint128.Uint128 {
retval := uint128.From64(0)
data := row[pos : pos+16]
// little endian to big endian
// for i, j := 0, len(data)-1; i < j; i, j = i+1, j-1 {
// data[i], data[j] = data[j], data[i]
// }
retval = uint128.FromBytes(data)
return retval
}
// read unsigned 128-bit integer
func (d *DB) readuint128(pos uint32) (uint128.Uint128, error) {
pos2 := int64(pos)
retval := uint128.From64(0)
data := make([]byte, 16)
_, err := d.f.ReadAt(data, pos2-1)
if err != nil {
return uint128.From64(0), err
}
// little endian to big endian
// for i, j := 0, len(data)-1; i < j; i, j = i+1, j-1 {
// data[i], data[j] = data[j], data[i]
// }
retval = uint128.FromBytes(data)
return retval, nil
}
// read string
func (d *DB) readstr(pos uint32) (string, error) {
pos2 := int64(pos)
readlen := 256 // max size of string field + 1 byte for the length
var retval string
data := make([]byte, readlen)
_, err := d.f.ReadAt(data, pos2)
if err != nil && err.Error() != "EOF" { // bypass EOF error coz we are reading 256 which may hit EOF
return "", err
}
strlen := data[0]
retval = convertBytesToString(data[1:(strlen + 1)])
return retval, nil
}
// read float from slices
func (d *DB) readfloat_row(row []byte, pos uint32) float32 {
var retval float32
data := row[pos : pos+4]
bits := binary.LittleEndian.Uint32(data)
retval = math.Float32frombits(bits)
return retval
}
func fatal(db *DB, err error) (*DB, error) {
_ = db.f.Close()
return nil, err
}
// Open takes the path to the IP2Location BIN database file. It will read all the metadata required to
// be able to extract the embedded geolocation data, and return the underlining DB object.
func OpenDB(dbpath string) (*DB, error) {
f, err := os.Open(dbpath)
if err != nil {
return nil, err
}
return OpenDBWithReader(f)
}
// OpenDBWithReader takes a DBReader to the IP2Location BIN database file. It will read all the metadata required to
// be able to extract the embedded geolocation data, and return the underlining DB object.
func OpenDBWithReader(reader DBReader) (*DB, error) {
var db = &DB{}
_max_ipv6_range := big.NewInt(0)
_max_ipv6_range.SetString("340282366920938463463374607431768211455", 10)
max_ipv6_range = uint128.FromBig(_max_ipv6_range)
_from_6to4 := big.NewInt(0)
_from_6to4.SetString("42545680458834377588178886921629466624", 10)
from_6to4 = uint128.FromBig(_from_6to4)
_to_6to4 := big.NewInt(0)
_to_6to4.SetString("42550872755692912415807417417958686719", 10)
to_6to4 = uint128.FromBig(_to_6to4)
_from_teredo := big.NewInt(0)
_from_teredo.SetString("42540488161975842760550356425300246528", 10)
from_teredo = uint128.FromBig(_from_teredo)
_to_teredo := big.NewInt(0)
_to_teredo.SetString("42540488241204005274814694018844196863", 10)
to_teredo = uint128.FromBig(_to_teredo)
db.f = reader
var row []byte
var err error
readlen := uint32(64) // 64-byte header
row, err = db.read_row(1, readlen)
if err != nil {
return fatal(db, err)
}
db.meta.databasetype = row[0]
db.meta.databasecolumn = row[1]
db.meta.databaseyear = row[2]
db.meta.databasemonth = row[3]
db.meta.databaseday = row[4]
db.meta.ipv4databasecount = db.readuint32_row(row, 5)
db.meta.ipv4databaseaddr = db.readuint32_row(row, 9)
db.meta.ipv6databasecount = db.readuint32_row(row, 13)
db.meta.ipv6databaseaddr = db.readuint32_row(row, 17)
db.meta.ipv4indexbaseaddr = db.readuint32_row(row, 21)
db.meta.ipv6indexbaseaddr = db.readuint32_row(row, 25)
db.meta.productcode = row[29]
db.meta.producttype = row[30]
db.meta.filesize = db.readuint32_row(row, 31)
// check if is correct BIN (should be 1 for IP2Location BIN file), also checking for zipped file (PK being the first 2 chars)
if (db.meta.productcode != 1 && db.meta.databaseyear >= 21) || (db.meta.databasetype == 80 && db.meta.databasecolumn == 75) { // only BINs from Jan 2021 onwards have this byte set
return fatal(db, errors.New(invalid_bin))
}
if db.meta.ipv4indexbaseaddr > 0 {
db.meta.ipv4indexed = true
}
if db.meta.ipv6databasecount > 0 && db.meta.ipv6indexbaseaddr > 0 {
db.meta.ipv6indexed = true
}
db.meta.ipv4columnsize = uint32(db.meta.databasecolumn << 2) // 4 bytes each column
db.meta.ipv6columnsize = uint32(16 + ((db.meta.databasecolumn - 1) << 2)) // 4 bytes each column, except IPFrom column which is 16 bytes
dbt := db.meta.databasetype
if country_position[dbt] != 0 {
db.country_position_offset = uint32(country_position[dbt]-2) << 2
db.country_enabled = true
}
if region_position[dbt] != 0 {
db.region_position_offset = uint32(region_position[dbt]-2) << 2
db.region_enabled = true
}
if city_position[dbt] != 0 {
db.city_position_offset = uint32(city_position[dbt]-2) << 2
db.city_enabled = true
}
if isp_position[dbt] != 0 {
db.isp_position_offset = uint32(isp_position[dbt]-2) << 2
db.isp_enabled = true
}
if domain_position[dbt] != 0 {
db.domain_position_offset = uint32(domain_position[dbt]-2) << 2
db.domain_enabled = true
}
if zipcode_position[dbt] != 0 {
db.zipcode_position_offset = uint32(zipcode_position[dbt]-2) << 2
db.zipcode_enabled = true
}
if latitude_position[dbt] != 0 {
db.latitude_position_offset = uint32(latitude_position[dbt]-2) << 2
db.latitude_enabled = true
}
if longitude_position[dbt] != 0 {
db.longitude_position_offset = uint32(longitude_position[dbt]-2) << 2
db.longitude_enabled = true
}
if timezone_position[dbt] != 0 {
db.timezone_position_offset = uint32(timezone_position[dbt]-2) << 2
db.timezone_enabled = true
}
if netspeed_position[dbt] != 0 {
db.netspeed_position_offset = uint32(netspeed_position[dbt]-2) << 2
db.netspeed_enabled = true
}
if iddcode_position[dbt] != 0 {
db.iddcode_position_offset = uint32(iddcode_position[dbt]-2) << 2
db.iddcode_enabled = true
}
if areacode_position[dbt] != 0 {
db.areacode_position_offset = uint32(areacode_position[dbt]-2) << 2
db.areacode_enabled = true
}
if weatherstationcode_position[dbt] != 0 {
db.weatherstationcode_position_offset = uint32(weatherstationcode_position[dbt]-2) << 2
db.weatherstationcode_enabled = true
}
if weatherstationname_position[dbt] != 0 {
db.weatherstationname_position_offset = uint32(weatherstationname_position[dbt]-2) << 2
db.weatherstationname_enabled = true
}
if mcc_position[dbt] != 0 {
db.mcc_position_offset = uint32(mcc_position[dbt]-2) << 2
db.mcc_enabled = true
}
if mnc_position[dbt] != 0 {
db.mnc_position_offset = uint32(mnc_position[dbt]-2) << 2
db.mnc_enabled = true
}
if mobilebrand_position[dbt] != 0 {
db.mobilebrand_position_offset = uint32(mobilebrand_position[dbt]-2) << 2
db.mobilebrand_enabled = true
}
if elevation_position[dbt] != 0 {
db.elevation_position_offset = uint32(elevation_position[dbt]-2) << 2
db.elevation_enabled = true
}
if usagetype_position[dbt] != 0 {
db.usagetype_position_offset = uint32(usagetype_position[dbt]-2) << 2
db.usagetype_enabled = true
}
if addresstype_position[dbt] != 0 {
db.addresstype_position_offset = uint32(addresstype_position[dbt]-2) << 2
db.addresstype_enabled = true
}
if category_position[dbt] != 0 {
db.category_position_offset = uint32(category_position[dbt]-2) << 2
db.category_enabled = true
}
if district_position[dbt] != 0 {
db.district_position_offset = uint32(district_position[dbt]-2) << 2
db.district_enabled = true
}
if asn_position[dbt] != 0 {
db.asn_position_offset = uint32(asn_position[dbt]-2) << 2
db.asn_enabled = true
}
if as_position[dbt] != 0 {
db.as_position_offset = uint32(as_position[dbt]-2) << 2
db.as_enabled = true
}
if asdomain_position[dbt] != 0 {
db.asdomain_position_offset = uint32(asdomain_position[dbt]-2) << 2
db.asdomain_enabled = true
}
if asusagetype_position[dbt] != 0 {
db.asusagetype_position_offset = uint32(asusagetype_position[dbt]-2) << 2
db.asusagetype_enabled = true
}
if ascidr_position[dbt] != 0 {
db.ascidr_position_offset = uint32(ascidr_position[dbt]-2) << 2
db.ascidr_enabled = true
}
db.metaok = true
return db, nil
}
// Open takes the path to the IP2Location BIN database file. It will read all the metadata required to
// be able to extract the embedded geolocation data.
//
// Deprecated: No longer being updated.
func Open(dbpath string) {
db, err := OpenDB(dbpath)
if err != nil {
return
}
defaultDB = db
}
// Close will close the file handle to the BIN file.
//
// Deprecated: No longer being updated.
func Close() {
defaultDB.Close()
}
// Api_version returns the version of the component.
func Api_version() string {
return api_version
}
// PackageVersion returns the database type.
func (d *DB) PackageVersion() string {
return strconv.Itoa(int(d.meta.databasetype))
}
// DatabaseVersion returns the database version.
func (d *DB) DatabaseVersion() string {
return "20" + strconv.Itoa(int(d.meta.databaseyear)) + "." + strconv.Itoa(int(d.meta.databasemonth)) + "." + strconv.Itoa(int(d.meta.databaseday))
}
// populate record with message
func loadmessage(mesg string) IP2Locationrecord {
var x IP2Locationrecord
x.Country_short = mesg
x.Country_long = mesg
x.Region = mesg
x.City = mesg
x.Isp = mesg
x.Domain = mesg
x.Zipcode = mesg
x.Timezone = mesg
x.Netspeed = mesg
x.Iddcode = mesg
x.Areacode = mesg
x.Weatherstationcode = mesg
x.Weatherstationname = mesg
x.Mcc = mesg
x.Mnc = mesg
x.Mobilebrand = mesg
x.Usagetype = mesg
x.Addresstype = mesg
x.Category = mesg
x.District = mesg
x.Asn = mesg
x.As = mesg
x.Asdomain = mesg
x.Asusagetype = mesg
x.Ascidr = mesg
return x
}
func handleError(rec IP2Locationrecord, err error) IP2Locationrecord {
if err != nil {
fmt.Print(err)
}
return rec
}
// convertBytesToString provides a no-copy []byte to string conversion.
// This implementation is adopted by official strings.Builder.
// Reference: https://github.com/golang/go/issues/25484
func convertBytesToString(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
// Get_all will return all geolocation fields based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_all(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, all))
}
// Get_country_short will return the ISO-3166 country code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_country_short(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, countryshort))
}
// Get_country_long will return the country name based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_country_long(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, countrylong))
}
// Get_region will return the region name based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_region(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, region))
}
// Get_city will return the city name based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_city(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, city))
}
// Get_isp will return the Internet Service Provider name based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_isp(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, isp))
}
// Get_latitude will return the latitude based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_latitude(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, latitude))
}
// Get_longitude will return the longitude based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_longitude(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, longitude))
}
// Get_domain will return the domain name based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_domain(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, domain))
}
// Get_zipcode will return the postal code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_zipcode(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, zipcode))
}
// Get_timezone will return the time zone based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_timezone(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, timezone))
}
// Get_netspeed will return the Internet connection speed based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_netspeed(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, netspeed))
}
// Get_iddcode will return the International Direct Dialing code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_iddcode(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, iddcode))
}
// Get_areacode will return the area code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_areacode(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, areacode))
}
// Get_weatherstationcode will return the weather station code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_weatherstationcode(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, weatherstationcode))
}
// Get_weatherstationname will return the weather station name based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_weatherstationname(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, weatherstationname))
}
// Get_mcc will return the mobile country code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_mcc(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, mcc))
}
// Get_mnc will return the mobile network code based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_mnc(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, mnc))
}
// Get_mobilebrand will return the mobile carrier brand based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_mobilebrand(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, mobilebrand))
}
// Get_elevation will return the elevation in meters based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_elevation(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, elevation))
}
// Get_usagetype will return the usage type based on the queried IP address.
//
// Deprecated: No longer being updated.
func Get_usagetype(ipaddress string) IP2Locationrecord {
return handleError(defaultDB.query(ipaddress, usagetype))
}
// Get_all will return all geolocation fields based on the queried IP address.
func (d *DB) Get_all(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, all)
}
// Get_country_short will return the ISO-3166 country code based on the queried IP address.
func (d *DB) Get_country_short(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, countryshort)
}
// Get_country_long will return the country name based on the queried IP address.
func (d *DB) Get_country_long(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, countrylong)
}
// Get_region will return the region name based on the queried IP address.
func (d *DB) Get_region(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, region)
}
// Get_city will return the city name based on the queried IP address.
func (d *DB) Get_city(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, city)
}
// Get_isp will return the Internet Service Provider name based on the queried IP address.
func (d *DB) Get_isp(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, isp)
}
// Get_latitude will return the latitude based on the queried IP address.
func (d *DB) Get_latitude(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, latitude)
}
// Get_longitude will return the longitude based on the queried IP address.
func (d *DB) Get_longitude(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, longitude)
}
// Get_domain will return the domain name based on the queried IP address.
func (d *DB) Get_domain(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, domain)
}
// Get_zipcode will return the postal code based on the queried IP address.
func (d *DB) Get_zipcode(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, zipcode)
}
// Get_timezone will return the time zone based on the queried IP address.
func (d *DB) Get_timezone(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, timezone)
}
// Get_netspeed will return the Internet connection speed based on the queried IP address.
func (d *DB) Get_netspeed(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, netspeed)
}
// Get_iddcode will return the International Direct Dialing code based on the queried IP address.
func (d *DB) Get_iddcode(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, iddcode)
}
// Get_areacode will return the area code based on the queried IP address.
func (d *DB) Get_areacode(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, areacode)
}
// Get_weatherstationcode will return the weather station code based on the queried IP address.
func (d *DB) Get_weatherstationcode(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, weatherstationcode)
}
// Get_weatherstationname will return the weather station name based on the queried IP address.
func (d *DB) Get_weatherstationname(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, weatherstationname)
}
// Get_mcc will return the mobile country code based on the queried IP address.
func (d *DB) Get_mcc(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, mcc)
}
// Get_mnc will return the mobile network code based on the queried IP address.
func (d *DB) Get_mnc(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, mnc)
}
// Get_mobilebrand will return the mobile carrier brand based on the queried IP address.
func (d *DB) Get_mobilebrand(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, mobilebrand)
}
// Get_elevation will return the elevation in meters based on the queried IP address.
func (d *DB) Get_elevation(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, elevation)
}
// Get_usagetype will return the usage type based on the queried IP address.
func (d *DB) Get_usagetype(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, usagetype)
}
// Get_addresstype will return the address type based on the queried IP address.
func (d *DB) Get_addresstype(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, addresstype)
}
// Get_category will return the category based on the queried IP address.
func (d *DB) Get_category(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, category)
}
// Get_district will return the district name based on the queried IP address.
func (d *DB) Get_district(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, district)
}
// Get_asn will return the autonomous system number (ASN) based on the queried IP address.
func (d *DB) Get_asn(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, asn)
}
// Get_as will return the autonomous system (AS) based on the queried IP address.
func (d *DB) Get_as(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, as)
}
// Get_as will return the AS domain based on the queried IP address.
func (d *DB) Get_asdomain(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, asdomain)
}
// Get_as will return the AS usage type based on the queried IP address.
func (d *DB) Get_asusagetype(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, asusagetype)
}
// Get_as will return the AS CIDR based on the queried IP address.
func (d *DB) Get_ascidr(ipaddress string) (IP2Locationrecord, error) {
return d.query(ipaddress, ascidr)
}
// main query
func (d *DB) query(ipaddress string, mode uint32) (IP2Locationrecord, error) {
x := loadmessage(not_supported) // default message
// read metadata
if !d.metaok {
x = loadmessage(missing_file)
return x, nil
}
// check IP type and return IP number & index (if exists)
iptype, ipno, ipindex := d.checkip(ipaddress)
if iptype == 0 {
x = loadmessage(invalid_address)
return x, nil
}
var err error
var colsize uint32
var baseaddr uint32
var low uint32
var high uint32
var mid uint32
var rowoffset uint32
var firstcol uint32 = 4 // 4 bytes for ip from
var row []byte
var fullrow []byte
var readlen uint32
ipfrom := uint128.From64(0)
ipto := uint128.From64(0)
maxip := uint128.From64(0)
if iptype == 4 {
baseaddr = d.meta.ipv4databaseaddr
high = d.meta.ipv4databasecount
maxip = max_ipv4_range
colsize = d.meta.ipv4columnsize
} else {
if d.meta.ipv6databasecount == 0 {
x = loadmessage(ipv6_not_supported)