138 lines
3.4 KiB
Go
138 lines
3.4 KiB
Go
package env
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import (
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"errors"
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"fmt"
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"net/netip"
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"strconv"
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"strings"
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"github.com/qdm12/gluetun/internal/configuration/settings"
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"github.com/qdm12/gluetun/internal/constants/providers"
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)
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var (
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ErrServerNumberNotValid = errors.New("server number is not valid")
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)
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func (s *Source) readServerSelection(vpnProvider, vpnType string) (
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ss settings.ServerSelection, err error) {
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ss.VPN = vpnType
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ss.TargetIP, err = s.readOpenVPNTargetIP()
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if err != nil {
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return ss, err
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}
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countriesKey, _ := s.getEnvWithRetro("SERVER_COUNTRIES", "COUNTRY")
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ss.Countries = envToCSV(countriesKey)
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if vpnProvider == providers.Cyberghost && len(ss.Countries) == 0 {
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// Retro-compatibility for Cyberghost using the REGION variable
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ss.Countries = envToCSV("REGION")
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if len(ss.Countries) > 0 {
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s.onRetroActive("REGION", "SERVER_COUNTRIES")
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}
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}
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regionsKey, _ := s.getEnvWithRetro("SERVER_REGIONS", "REGION")
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ss.Regions = envToCSV(regionsKey)
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citiesKey, _ := s.getEnvWithRetro("SERVER_CITIES", "CITY")
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ss.Cities = envToCSV(citiesKey)
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ss.ISPs = envToCSV("ISP")
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hostnamesKey, _ := s.getEnvWithRetro("SERVER_HOSTNAMES", "SERVER_HOSTNAME")
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ss.Hostnames = envToCSV(hostnamesKey)
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serverNamesKey, _ := s.getEnvWithRetro("SERVER_NAMES", "SERVER_NAME")
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ss.Names = envToCSV(serverNamesKey)
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if csv := getCleanedEnv("SERVER_NUMBER"); csv != "" {
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numbersStrings := strings.Split(csv, ",")
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numbers := make([]uint16, len(numbersStrings))
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for i, numberString := range numbersStrings {
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const base, bitSize = 10, 16
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number, err := strconv.ParseInt(numberString, base, bitSize)
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if err != nil {
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return ss, fmt.Errorf("%w: %s",
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ErrServerNumberNotValid, numberString)
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} else if number < 0 || number > 65535 {
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return ss, fmt.Errorf("%w: %d must be between 0 and 65535",
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ErrServerNumberNotValid, number)
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}
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numbers[i] = uint16(number)
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}
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ss.Numbers = numbers
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}
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// Mullvad only
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ss.OwnedOnly, err = s.readOwnedOnly()
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if err != nil {
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return ss, err
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}
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// VPNUnlimited and ProtonVPN only
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ss.FreeOnly, err = envToBoolPtr("FREE_ONLY")
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if err != nil {
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return ss, fmt.Errorf("environment variable FREE_ONLY: %w", err)
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}
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// VPNSecure only
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ss.PremiumOnly, err = envToBoolPtr("PREMIUM_ONLY")
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if err != nil {
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return ss, fmt.Errorf("environment variable PREMIUM_ONLY: %w", err)
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}
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// VPNUnlimited only
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ss.MultiHopOnly, err = envToBoolPtr("MULTIHOP_ONLY")
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if err != nil {
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return ss, fmt.Errorf("environment variable MULTIHOP_ONLY: %w", err)
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}
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// VPNUnlimited only
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ss.MultiHopOnly, err = envToBoolPtr("STREAM_ONLY")
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if err != nil {
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return ss, fmt.Errorf("environment variable STREAM_ONLY: %w", err)
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}
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ss.OpenVPN, err = s.readOpenVPNSelection()
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if err != nil {
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return ss, err
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}
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ss.Wireguard, err = s.readWireguardSelection()
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if err != nil {
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return ss, err
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}
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return ss, nil
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}
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var (
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ErrInvalidIP = errors.New("invalid IP address")
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)
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func (s *Source) readOpenVPNTargetIP() (ip netip.Addr, err error) {
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envKey, value := s.getEnvWithRetro("VPN_ENDPOINT_IP", "OPENVPN_TARGET_IP")
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if value == "" {
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return ip, nil
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}
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ip, err = netip.ParseAddr(value)
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if err != nil {
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return ip, fmt.Errorf("environment variable %s: %w", envKey, err)
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}
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return ip, nil
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}
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func (s *Source) readOwnedOnly() (ownedOnly *bool, err error) {
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envKey, _ := s.getEnvWithRetro("OWNED_ONLY", "OWNED")
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ownedOnly, err = envToBoolPtr(envKey)
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if err != nil {
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return nil, fmt.Errorf("environment variable %s: %w", envKey, err)
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}
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return ownedOnly, nil
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}
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