373 lines
8.5 KiB
Go
373 lines
8.5 KiB
Go
package updater
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import (
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"context"
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"fmt"
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"sort"
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"time"
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"github.com/qdm12/gluetun/internal/constants"
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"github.com/qdm12/gluetun/internal/models"
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)
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func (u *updater) updateCyberghost(ctx context.Context) (err error) {
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servers, err := findCyberghostServers(ctx, u.lookupIP)
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if err != nil {
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return err
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}
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if u.options.Stdout {
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u.println(stringifyCyberghostServers(servers))
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}
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u.servers.Cyberghost.Timestamp = u.timeNow().Unix()
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u.servers.Cyberghost.Servers = servers
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return nil
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}
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func findCyberghostServers(ctx context.Context, lookupIP lookupIPFunc) (servers []models.CyberghostServer, err error) {
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groups := getCyberghostGroups()
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allCountryCodes := constants.CountryCodes()
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cyberghostCountryCodes := getCyberghostSubdomainToRegion()
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possibleCountryCodes := mergeCountryCodes(cyberghostCountryCodes, allCountryCodes)
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results := make(chan models.CyberghostServer)
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const maxGoroutines = 10
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guard := make(chan struct{}, maxGoroutines)
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defer close(guard)
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for groupID, groupName := range groups {
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for countryCode, region := range possibleCountryCodes {
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if err := ctx.Err(); err != nil {
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return nil, err
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}
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const domain = "cg-dialup.net"
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host := fmt.Sprintf("%s-%s.%s", groupID, countryCode, domain)
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go tryCyberghostHostname(ctx, lookupIP, host, groupName, region, results, guard)
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}
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}
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for i := 0; i < len(groups)*len(possibleCountryCodes); i++ {
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server := <-results
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if server.IPs == nil {
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continue
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}
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servers = append(servers, server)
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}
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if err := ctx.Err(); err != nil {
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return servers, err
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}
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sort.Slice(servers, func(i, j int) bool {
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return servers[i].Region < servers[j].Region
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})
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return servers, nil
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}
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func tryCyberghostHostname(ctx context.Context, lookupIP lookupIPFunc,
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host, groupName, region string,
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results chan<- models.CyberghostServer, guard chan struct{}) {
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guard <- struct{}{}
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defer func() {
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<-guard
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}()
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const repetition = 10
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IPs, err := resolveRepeat(ctx, lookupIP, host, repetition, time.Second)
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if err != nil || len(IPs) == 0 {
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results <- models.CyberghostServer{}
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return
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}
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results <- models.CyberghostServer{
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Region: region,
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Group: groupName,
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IPs: IPs,
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}
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}
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//nolint:goconst
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func stringifyCyberghostServers(servers []models.CyberghostServer) (s string) {
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s = "func CyberghostServers() []models.CyberghostServer {\n"
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s += " return []models.CyberghostServer{\n"
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for _, server := range servers {
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s += " " + server.String() + ",\n"
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}
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s += " }\n"
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s += "}"
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return s
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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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"87-1": "Premium UDP Europe",
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"94-1": "Premium UDP USA",
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"95-1": "Premium UDP Asia",
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"87-8": "NoSpy UDP Europe",
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"97-1": "Premium TCP Europe",
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"93-1": "Premium TCP USA",
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"96-1": "Premium TCP Asia",
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"97-8": "NoSpy TCP Europe",
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}
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}
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func mergeCountryCodes(base, extend map[string]string) (merged map[string]string) {
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merged = make(map[string]string, len(base))
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for countryCode, region := range base {
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merged[countryCode] = region
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}
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for countryCode := range base {
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delete(extend, countryCode)
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}
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for countryCode, region := range extend {
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merged[countryCode] = region
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}
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return merged
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}
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func getCyberghostSubdomainToRegion() map[string]string {
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return map[string]string{
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"af": "Afghanistan",
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"ax": "Aland Islands",
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"al": "Albania",
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"dz": "Algeria",
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"as": "American Samoa",
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"ad": "Andorra",
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"ao": "Angola",
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"ai": "Anguilla",
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"aq": "Antarctica",
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"ag": "Antigua and Barbuda",
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"ar": "Argentina",
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"am": "Armenia",
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"aw": "Aruba",
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"au": "Australia",
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"at": "Austria",
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"az": "Azerbaijan",
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"bs": "Bahamas",
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"bh": "Bahrain",
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"bd": "Bangladesh",
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"bb": "Barbados",
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"by": "Belarus",
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"be": "Belgium",
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"bz": "Belize",
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"bj": "Benin",
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"bm": "Bermuda",
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"bt": "Bhutan",
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"bo": "Bolivia",
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"bq": "Bonaire",
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"ba": "Bosnia and Herzegovina",
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"bw": "Botswana",
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"bv": "Bouvet Island",
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"br": "Brazil",
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"io": "British Indian Ocean Territory",
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"vg": "British Virgin Islands",
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"bn": "Brunei Darussalam",
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"bg": "Bulgaria",
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"bf": "Burkina Faso",
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"bi": "Burundi",
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"kh": "Cambodia",
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"cm": "Cameroon",
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"ca": "Canada",
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"cv": "Cape Verde",
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"ky": "Cayman Islands",
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"cf": "Central African Republic",
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"td": "Chad",
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"cl": "Chile",
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"cn": "China",
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"cx": "Christmas Island",
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"cc": "Cocos Islands",
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"co": "Colombia",
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"km": "Comoros",
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"cg": "Congo",
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"ck": "Cook Islands",
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"cr": "Costa Rica",
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"ci": "Cote d'Ivoire",
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"hr": "Croatia",
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"cu": "Cuba",
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"cw": "Curacao",
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"cy": "Cyprus",
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"cz": "Czech Republic",
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"cd": "Democratic Republic of the Congo",
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"dk": "Denmark",
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"dj": "Djibouti",
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"dm": "Dominica",
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"do": "Dominican Republic",
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"ec": "Ecuador",
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"eg": "Egypt",
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"sv": "El Salvador",
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"gq": "Equatorial Guinea",
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"er": "Eritrea",
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"ee": "Estonia",
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"et": "Ethiopia",
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"fk": "Falkland Islands",
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"fo": "Faroe Islands",
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"fj": "Fiji",
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"fi": "Finland",
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"fr": "France",
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"gf": "French Guiana",
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"pf": "French Polynesia",
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"tf": "French Southern Territories",
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"ga": "Gabon",
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"gm": "Gambia",
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"ge": "Georgia",
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"de": "Germany",
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"gh": "Ghana",
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"gi": "Gibraltar",
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"gr": "Greece",
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"gl": "Greenland",
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"gd": "Grenada",
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"gp": "Guadeloupe",
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"gu": "Guam",
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"gt": "Guatemala",
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"gg": "Guernsey",
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"gw": "Guinea-Bissau",
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"gn": "Guinea",
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"gy": "Guyana",
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"ht": "Haiti",
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"hm": "Heard Island and McDonald Islands",
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"hn": "Honduras",
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"hk": "Hong Kong",
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"hu": "Hungary",
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"is": "Iceland",
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"in": "India",
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"id": "Indonesia",
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"ir": "Iran",
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"iq": "Iraq",
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"ie": "Ireland",
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"im": "Isle of Man",
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"il": "Israel",
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"it": "Italy",
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"jm": "Jamaica",
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"jp": "Japan",
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"je": "Jersey",
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"jo": "Jordan",
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"kz": "Kazakhstan",
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"ke": "Kenya",
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"ki": "Kiribati",
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"kr": "Korea",
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"kw": "Kuwait",
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"kg": "Kyrgyzstan",
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"la": "Lao People's Democratic Republic",
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"lv": "Latvia",
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"lb": "Lebanon",
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"ls": "Lesotho",
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"lr": "Liberia",
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"ly": "Libya",
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"li": "Liechtenstein",
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"lt": "Lithuania",
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"lu": "Luxembourg",
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"mo": "Macao",
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"mk": "Macedonia",
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"mg": "Madagascar",
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"mw": "Malawi",
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"my": "Malaysia",
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"mv": "Maldives",
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"ml": "Mali",
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"mt": "Malta",
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"mh": "Marshall Islands",
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"mq": "Martinique",
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"mr": "Mauritania",
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"mu": "Mauritius",
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"yt": "Mayotte",
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"mx": "Mexico",
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"fm": "Micronesia",
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"md": "Moldova",
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"mc": "Monaco",
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"mn": "Mongolia",
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"me": "Montenegro",
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"ms": "Montserrat",
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"ma": "Morocco",
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"mz": "Mozambique",
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"mm": "Myanmar",
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"na": "Namibia",
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"nr": "Nauru",
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"np": "Nepal",
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"nl": "Netherlands",
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"nc": "New Caledonia",
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"nz": "New Zealand",
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"ni": "Nicaragua",
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"ne": "Niger",
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"ng": "Nigeria",
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"nu": "Niue",
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"nf": "Norfolk Island",
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"mp": "Northern Mariana Islands",
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"no": "Norway",
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"om": "Oman",
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"pk": "Pakistan",
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"pw": "Palau",
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"ps": "Palestine, State of",
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"pa": "Panama",
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"pg": "Papua New Guinea",
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"py": "Paraguay",
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"pe": "Peru",
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"ph": "Philippines",
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"pn": "Pitcairn",
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"pl": "Poland",
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"pt": "Portugal",
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"pr": "Puerto Rico",
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"qa": "Qatar",
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"re": "Reunion",
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"ro": "Romania",
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"ru": "Russian Federation",
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"rw": "Rwanda",
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"bl": "Saint Barthelemy",
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"sh": "Saint Helena",
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"kn": "Saint Kitts and Nevis",
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"lc": "Saint Lucia",
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"mf": "Saint Martin",
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"pm": "Saint Pierre and Miquelon",
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"vc": "Saint Vincent and the Grenadines",
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"ws": "Samoa",
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"sm": "San Marino",
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"st": "Sao Tome and Principe",
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"sa": "Saudi Arabia",
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"sn": "Senegal",
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"rs": "Serbia",
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"sc": "Seychelles",
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"sl": "Sierra Leone",
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"sg": "Singapore",
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"sx": "Sint Maarten",
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"sk": "Slovakia",
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"si": "Slovenia",
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"sb": "Solomon Islands",
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"so": "Somalia",
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"za": "South Africa",
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"gs": "South Georgia and the South Sandwich Islands",
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"ss": "South Sudan",
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"es": "Spain",
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"lk": "Sri Lanka",
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"sd": "Sudan",
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"sr": "Suriname",
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"sj": "Svalbard and Jan Mayen",
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"sz": "Swaziland",
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"se": "Sweden",
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"ch": "Switzerland",
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"sy": "Syrian Arab Republic",
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"tw": "Taiwan",
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"tj": "Tajikistan",
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"tz": "Tanzania",
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"th": "Thailand",
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"tl": "Timor-Leste",
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"tg": "Togo",
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"tk": "Tokelau",
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"to": "Tonga",
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"tt": "Trinidad and Tobago",
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"tn": "Tunisia",
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"tr": "Turkey",
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"tm": "Turkmenistan",
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"tc": "Turks and Caicos Islands",
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"tv": "Tuvalu",
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"ug": "Uganda",
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"ua": "Ukraine",
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"ae": "United Arab Emirates",
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"gb": "United Kingdom",
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"um": "United States Minor Outlying Islands",
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"us": "United States",
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"uy": "Uruguay",
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"vi": "US Virgin Islands",
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"uz": "Uzbekistan",
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"vu": "Vanuatu",
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"va": "Vatican City State",
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"ve": "Venezuela",
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"vn": "Vietnam",
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"wf": "Wallis and Futuna",
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"eh": "Western Sahara",
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"ye": "Yemen",
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"zm": "Zambia",
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"zw": "Zimbabwe",
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}
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}
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