79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
package updater
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import (
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"context"
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"fmt"
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"net"
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"sort"
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"strings"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/golibs/network"
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)
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func (u *updater) updateVyprvpn(ctx context.Context) (err error) {
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servers, err := findVyprvpnServers(ctx, u.client, u.lookupIP)
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if err != nil {
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return fmt.Errorf("cannot update Vyprvpn servers: %w", err)
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}
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if u.options.Stdout {
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u.println(stringifyVyprvpnServers(servers))
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}
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u.servers.Vyprvpn.Timestamp = u.timeNow().Unix()
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u.servers.Vyprvpn.Servers = servers
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return nil
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}
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func findVyprvpnServers(ctx context.Context, client network.Client, lookupIP lookupIPFunc) (
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servers []models.VyprvpnServer, err error) {
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const zipURL = "https://support.vyprvpn.com/hc/article_attachments/360052617332/Vypr_OpenVPN_20200320.zip"
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contents, err := fetchAndExtractFiles(ctx, client, zipURL)
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if err != nil {
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return nil, err
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}
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for fileName, content := range contents {
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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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remoteLines := extractRemoteLinesFromOpenvpn(content)
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if len(remoteLines) == 0 {
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return nil, fmt.Errorf("cannot find any remote lines in %s", fileName)
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}
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hosts := extractHostnamesFromRemoteLines(remoteLines)
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if len(hosts) == 0 {
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return nil, fmt.Errorf("cannot find any hosts in %s", fileName)
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}
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var IPs []net.IP
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for _, host := range hosts {
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const repetitions = 1
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newIPs, err := resolveRepeat(ctx, lookupIP, host, repetitions)
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if err != nil {
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return nil, err
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}
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IPs = append(IPs, newIPs...)
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}
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region := strings.TrimSuffix(fileName, ".ovpn")
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region = strings.ReplaceAll(region, " - ", " ")
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server := models.VyprvpnServer{
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Region: region,
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IPs: uniqueSortedIPs(IPs),
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}
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servers = append(servers, server)
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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 stringifyVyprvpnServers(servers []models.VyprvpnServer) (s string) {
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s = "func VyprvpnServers() []models.VyprvpnServer {\n"
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s += " return []models.VyprvpnServer{\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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