99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
package updater
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import (
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"context"
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"errors"
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"fmt"
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"sort"
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"github.com/qdm12/gluetun/internal/constants/vpn"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/provider/common"
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)
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var (
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ErrNotIPv4 = errors.New("IP address is not IPv4")
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)
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func (u *Updater) FetchServers(ctx context.Context, minServers int) (
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servers []models.Server, err error) {
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const recommended = true
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const limit = 0
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data, err := fetchAPI(ctx, u.client, recommended, limit)
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if err != nil {
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return nil, err
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}
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servers = make([]models.Server, 0, len(data))
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for _, jsonServer := range data {
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if jsonServer.Status != "online" {
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u.warner.Warn(fmt.Sprintf("ignoring offline server %s", jsonServer.Name))
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continue
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}
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server := models.Server{
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Country: jsonServer.country(),
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Region: jsonServer.region(),
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City: jsonServer.city(),
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Hostname: jsonServer.Hostname,
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IPs: jsonServer.ips(),
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}
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number, err := parseServerName(jsonServer.Name)
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switch {
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case errors.Is(err, ErrNoIDInServerName):
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u.warner.Warn(fmt.Sprintf("%s - leaving server number as 0", err))
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case err != nil:
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u.warner.Warn(fmt.Sprintf("failed parsing server name: %s", err))
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continue
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default: // no error
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server.Number = number
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}
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var wireguardFound, openvpnFound bool
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wireguardServer := server
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wireguardServer.VPN = vpn.Wireguard
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openVPNServer := server // accumulate UDP+TCP technologies
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openVPNServer.VPN = vpn.OpenVPN
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for _, technology := range jsonServer.Technologies {
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switch technology.Identifier {
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case "openvpn_udp":
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openvpnFound = true
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openVPNServer.UDP = true
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case "openvpn_tcp":
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openvpnFound = true
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openVPNServer.TCP = true
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case "wireguard_udp":
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wireguardFound = true
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wireguardServer.WgPubKey, err = jsonServer.wireguardPublicKey()
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if err != nil {
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u.warner.Warn(fmt.Sprintf("ignoring Wireguard server %s: %s",
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jsonServer.Name, err))
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wireguardFound = false
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continue
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}
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default: // Ignore other technologies
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continue
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}
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}
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if openvpnFound {
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servers = append(servers, openVPNServer)
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}
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if wireguardFound {
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servers = append(servers, wireguardServer)
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}
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}
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if len(servers) < minServers {
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return nil, fmt.Errorf("%w: %d and expected at least %d",
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common.ErrNotEnoughServers, len(servers), minServers)
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}
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sort.Sort(models.SortableServers(servers))
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return servers, nil
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}
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