Files
gluetun/internal/provider/perfectprivacy/updater/servers.go
Quentin McGaw ebd94723c1 chore(updater): incorporate FetchServers method in Provider interface
- Each provider interface can now fetch updated servers data
- Rename each provider updater subpackage name to `updater`
- Updater constructor does not take a settings struct
- Updater update method takes in a slice of provider strings
2022-06-09 23:47:41 +00:00

72 lines
1.5 KiB
Go

package updater
import (
"context"
"fmt"
"net/url"
"sort"
"strings"
"github.com/qdm12/gluetun/internal/models"
"github.com/qdm12/gluetun/internal/provider/common"
"github.com/qdm12/gluetun/internal/updater/openvpn"
)
func (u *Updater) FetchServers(ctx context.Context, minServers int) (
servers []models.Server, err error) {
zipURL := url.URL{
Scheme: "https",
Host: "www.perfect-privacy.com",
Path: "/downloads/openvpn/get",
}
values := make(url.Values)
values.Set("system", "linux")
values.Set("scope", "server")
values.Set("filetype", "zip")
values.Set("protocol", "udp") // all support both TCP and UDP
zipURL.RawQuery = values.Encode()
contents, err := u.unzipper.FetchAndExtract(ctx, zipURL.String())
if err != nil {
return nil, err
}
cts := make(cityToServer)
for fileName, content := range contents {
err := addServerFromOvpn(cts, fileName, content)
if err != nil {
u.warner.Warn(err.Error() + " in " + fileName)
}
}
if len(cts) < minServers {
return nil, fmt.Errorf("%w: %d and expected at least %d",
common.ErrNotEnoughServers, len(cts), minServers)
}
servers = cts.toServersSlice()
sort.Sort(models.SortableServers(servers))
return servers, nil
}
func addServerFromOvpn(cts cityToServer,
fileName string, content []byte) (err error) {
if !strings.HasSuffix(fileName, ".conf") {
return nil // not an OpenVPN file
}
ips, err := openvpn.ExtractIPs(content)
if err != nil {
return err
}
city := parseFilename(fileName)
cts.add(city, ips)
return nil
}