79 lines
1.9 KiB
Go
79 lines
1.9 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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"strings"
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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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"github.com/qdm12/gluetun/internal/updater/openvpn"
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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 url = "https://support.fastestvpn.com/download/openvpn-tcp-udp-config-files"
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contents, err := u.unzipper.FetchAndExtract(ctx, url)
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if err != nil {
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return nil, err
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} else if len(contents) < minServers {
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return nil, fmt.Errorf("%w: %d and expected at least %d",
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common.ErrNotEnoughServers, len(contents), minServers)
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}
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hts := make(hostToServer)
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for fileName, content := range contents {
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if !strings.HasSuffix(fileName, ".ovpn") {
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continue // not an OpenVPN file
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}
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country, tcp, udp, err := parseFilename(fileName)
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if err != nil {
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u.warner.Warn(err.Error())
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continue
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}
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host, warning, err := openvpn.ExtractHost(content)
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if warning != "" {
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u.warner.Warn(warning)
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}
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if err != nil {
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// treat error as warning and go to next file
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u.warner.Warn(err.Error() + " in " + fileName)
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continue
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}
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hts.add(host, country, tcp, udp)
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}
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if len(hts) < minServers {
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return nil, fmt.Errorf("%w: %d and expected at least %d",
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common.ErrNotEnoughServers, len(hts), minServers)
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}
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hosts := hts.toHostsSlice()
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resolveSettings := parallelResolverSettings(hosts)
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hostToIPs, warnings, err := u.parallelResolver.Resolve(ctx, resolveSettings)
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for _, warning := range warnings {
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u.warner.Warn(warning)
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}
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if err != nil {
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return nil, err
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}
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if len(hostToIPs) < 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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hts.adaptWithIPs(hostToIPs)
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servers = hts.toServersSlice()
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sort.Sort(models.SortableServers(servers))
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return servers, nil
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}
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