4f502abcf8
* Host finder CLI for cyberghost * Resolver program updated with Cyberghost data * Gluetun cli clientkey subcommand
366 lines
14 KiB
Go
366 lines
14 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"net"
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"os"
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"sort"
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)
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func main() {
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ctx := context.Background()
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os.Exit(_main(ctx))
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}
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func _main(ctx context.Context) int {
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fmt.Println("Host finder for Cyberghost")
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resolverAddress := flag.String("resolver", "1.1.1.1", "DNS Resolver IP address to use")
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flag.Parse()
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resolver := newResolver(*resolverAddress)
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lookupIP := newLookupIP(resolver)
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const domain = "cg-dialup.net"
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groups := getCyberghostGroups()
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countryCodes := getCountryCodes()
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type result struct {
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groupName string
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region string
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subdomain string
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exists bool
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}
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resultsChannel := make(chan result)
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const maxGoroutines = 10
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guard := make(chan struct{}, maxGoroutines)
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fmt.Print("Subdomains found: ")
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for groupName, groupID := range groups {
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for country, countryCode := range countryCodes {
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go func(groupName, groupID, country, countryCode string) {
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r := result{
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region: country,
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groupName: groupName,
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subdomain: fmt.Sprintf("%s-%s", groupID, countryCode),
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}
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fqdn := fmt.Sprintf("%s.%s", r.subdomain, domain)
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guard <- struct{}{}
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ips, err := lookupIP(ctx, fqdn)
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<-guard
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if err == nil && len(ips) > 0 {
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r.exists = true
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}
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resultsChannel <- r
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}(groupName, groupID, country, countryCode)
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}
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}
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results := make([]result, len(groups)*len(countryCodes))
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for i := range results {
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results[i] = <-resultsChannel
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fmt.Printf("%s ", results[i].subdomain)
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}
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fmt.Print("\n\n")
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sort.Slice(results, func(i, j int) bool {
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return results[i].region < results[j].region
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})
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for _, r := range results {
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if r.exists {
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// Use in resolver program
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fmt.Printf("{subdomain: %q, region: %q, group: %q},\n", r.subdomain, r.region, r.groupName)
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}
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}
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return 0
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}
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func newResolver(ip string) *net.Resolver {
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return &net.Resolver{
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PreferGo: true,
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Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
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d := net.Dialer{}
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return d.DialContext(ctx, "udp", net.JoinHostPort(ip, "53"))
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},
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}
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}
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type lookupIPFunc func(ctx context.Context, host string) (ips []net.IP, err error)
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func newLookupIP(r *net.Resolver) lookupIPFunc {
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return func(ctx context.Context, host string) (ips []net.IP, err error) {
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addresses, err := r.LookupIPAddr(ctx, host)
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if err != nil {
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return nil, err
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}
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ips = make([]net.IP, len(addresses))
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for i := range addresses {
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ips[i] = addresses[i].IP
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}
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return ips, nil
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}
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}
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func getCyberghostGroups() map[string]string {
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return map[string]string{
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"Premium UDP Europe": "87-1",
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"Premium UDP USA": "94-1",
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"Premium UDP Asia": "95-1",
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"NoSpy UDP Europe": "87-8",
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"Premium TCP Europe": "97-1",
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"Premium TCP USA": "93-1",
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"Premium TCP Asia": "96-1",
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"NoSpy TCP Europe": "97-8",
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}
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}
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func getCountryCodes() map[string]string {
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return map[string]string{
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"Afghanistan": "af",
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"Aland Islands": "ax",
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"Albania": "al",
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"Algeria": "dz",
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"American Samoa": "as",
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"Andorra": "ad",
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"Angola": "ao",
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"Anguilla": "ai",
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"Antarctica": "aq",
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"Antigua and Barbuda": "ag",
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"Argentina": "ar",
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"Armenia": "am",
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"Aruba": "aw",
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"Australia": "au",
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"Austria": "at",
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"Azerbaijan": "az",
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"Bahamas": "bs",
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"Bahrain": "bh",
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"Bangladesh": "bd",
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"Barbados": "bb",
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"Belarus": "by",
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"Belgium": "be",
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"Belize": "bz",
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"Benin": "bj",
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"Bermuda": "bm",
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"Bhutan": "bt",
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"Bolivia": "bo",
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"Bonaire": "bq",
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"Bosnia and Herzegovina": "ba",
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"Botswana": "bw",
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"Bouvet Island": "bv",
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"Brazil": "br",
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"British Indian Ocean Territory": "io",
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"British Virgin Islands": "vg",
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"Brunei Darussalam": "bn",
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"Bulgaria": "bg",
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"Burkina Faso": "bf",
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"Burundi": "bi",
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"Cambodia": "kh",
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"Cameroon": "cm",
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"Canada": "ca",
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"Cape Verde": "cv",
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"Cayman Islands": "ky",
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"Central African Republic": "cf",
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"Chad": "td",
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"Chile": "cl",
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"China": "cn",
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"Christmas Island": "cx",
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"Cocos Islands": "cc",
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"Colombia": "co",
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"Comoros": "km",
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"Congo": "cg",
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"Cook Islands": "ck",
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"Costa Rica": "cr",
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"Cote d'Ivoire": "ci",
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"Croatia": "hr",
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"Cuba": "cu",
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"Curacao": "cw",
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"Cyprus": "cy",
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"Czech Republic": "cz",
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"Democratic Republic of the Congo": "cd",
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"Denmark": "dk",
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"Djibouti": "dj",
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"Dominica": "dm",
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"Dominican Republic": "do",
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"Ecuador": "ec",
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"Egypt": "eg",
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"El Salvador": "sv",
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"Equatorial Guinea": "gq",
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"Eritrea": "er",
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"Estonia": "ee",
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"Ethiopia": "et",
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"Falkland Islands": "fk",
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"Faroe Islands": "fo",
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"Fiji": "fj",
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"Finland": "fi",
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"France": "fr",
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"French Guiana": "gf",
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"French Polynesia": "pf",
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"French Southern Territories": "tf",
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"Gabon": "ga",
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"Gambia": "gm",
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"Georgia": "ge",
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"Germany": "de",
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"Ghana": "gh",
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"Gibraltar": "gi",
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"Greece": "gr",
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"Greenland": "gl",
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"Grenada": "gd",
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"Guadeloupe": "gp",
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"Guam": "gu",
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"Guatemala": "gt",
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"Guernsey": "gg",
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"Guinea-Bissau": "gw",
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"Guinea": "gn",
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"Guyana": "gy",
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"Haiti": "ht",
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"Heard Island and McDonald Islands": "hm",
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"Honduras": "hn",
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"Hong Kong": "hk",
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"Hungary": "hu",
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"Iceland": "is",
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"India": "in",
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"Indonesia": "id",
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"Iran": "ir",
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"Iraq": "iq",
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"Ireland": "ie",
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"Isle of Man": "im",
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"Israel": "il",
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"Italy": "it",
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"Jamaica": "jm",
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"Japan": "jp",
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"Jersey": "je",
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"Jordan": "jo",
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"Kazakhstan": "kz",
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"Kenya": "ke",
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"Kiribati": "ki",
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"Korea": "kr",
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"Kuwait": "kw",
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"Kyrgyzstan": "kg",
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"Lao People's Democratic Republic": "la",
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"Latvia": "lv",
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"Lebanon": "lb",
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"Lesotho": "ls",
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"Liberia": "lr",
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"Libya": "ly",
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"Liechtenstein": "li",
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"Lithuania": "lt",
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"Luxembourg": "lu",
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"Macao": "mo",
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"Macedonia": "mk",
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"Madagascar": "mg",
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"Malawi": "mw",
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"Malaysia": "my",
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"Maldives": "mv",
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"Mali": "ml",
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"Malta": "mt",
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"Marshall Islands": "mh",
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"Martinique": "mq",
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"Mauritania": "mr",
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"Mauritius": "mu",
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"Mayotte": "yt",
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"Mexico": "mx",
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"Micronesia": "fm",
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"Moldova": "md",
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"Monaco": "mc",
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"Mongolia": "mn",
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"Montenegro": "me",
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"Montserrat": "ms",
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"Morocco": "ma",
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"Mozambique": "mz",
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"Myanmar": "mm",
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"Namibia": "na",
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"Nauru": "nr",
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"Nepal": "np",
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"Netherlands": "nl",
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"New Caledonia": "nc",
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"New Zealand": "nz",
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"Nicaragua": "ni",
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"Niger": "ne",
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"Nigeria": "ng",
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"Niue": "nu",
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"Norfolk Island": "nf",
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"Northern Mariana Islands": "mp",
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"Norway": "no",
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"Oman": "om",
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"Pakistan": "pk",
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"Palau": "pw",
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"Palestine, State of": "ps",
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"Panama": "pa",
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"Papua New Guinea": "pg",
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"Paraguay": "py",
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"Peru": "pe",
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"Philippines": "ph",
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"Pitcairn": "pn",
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"Poland": "pl",
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"Portugal": "pt",
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"Puerto Rico": "pr",
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"Qatar": "qa",
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"Reunion": "re",
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"Romania": "ro",
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"Russian Federation": "ru",
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"Rwanda": "rw",
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"Saint Barthelemy": "bl",
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"Saint Helena": "sh",
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"Saint Kitts and Nevis": "kn",
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"Saint Lucia": "lc",
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"Saint Martin": "mf",
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"Saint Pierre and Miquelon": "pm",
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"Saint Vincent and the Grenadines": "vc",
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"Samoa": "ws",
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"San Marino": "sm",
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"Sao Tome and Principe": "st",
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"Saudi Arabia": "sa",
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"Senegal": "sn",
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"Serbia": "rs",
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"Seychelles": "sc",
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"Sierra Leone": "sl",
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"Singapore": "sg",
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"Sint Maarten": "sx",
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"Slovakia": "sk",
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"Slovenia": "si",
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"Solomon Islands": "sb",
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"Somalia": "so",
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"South Africa": "za",
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"South Georgia and the South Sandwich Islands": "gs",
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"South Sudan": "ss",
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"Spain": "es",
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"Sri Lanka": "lk",
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"Sudan": "sd",
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"Suriname": "sr",
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"Svalbard and Jan Mayen": "sj",
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"Swaziland": "sz",
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"Sweden": "se",
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"Switzerland": "ch",
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"Syrian Arab Republic": "sy",
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"Taiwan": "tw",
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"Tajikistan": "tj",
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"Tanzania": "tz",
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"Thailand": "th",
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"Timor-Leste": "tl",
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"Togo": "tg",
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"Tokelau": "tk",
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"Tonga": "to",
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"Trinidad and Tobago": "tt",
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"Tunisia": "tn",
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"Turkey": "tr",
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"Turkmenistan": "tm",
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"Turks and Caicos Islands": "tc",
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"Tuvalu": "tv",
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"Uganda": "ug",
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"Ukraine": "ua",
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"United Arab Emirates": "ae",
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"United Kingdom": "gb",
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"United States Minor Outlying Islands": "um",
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"United States": "us",
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"Uruguay": "uy",
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"US Virgin Islands": "vi",
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"Uzbekistan": "uz",
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"Vanuatu": "vu",
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"Vatican City State": "va",
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"Venezuela": "ve",
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"Vietnam": "vn",
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"Wallis and Futuna": "wf",
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"Western Sahara": "eh",
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"Yemen": "ye",
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"Zambia": "zm",
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"Zimbabwe": "zw",
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}
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}
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