59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// package wevpn contains code to obtain the server information
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// for the WeVPN provider.
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package wevpn
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import (
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"context"
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"errors"
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"fmt"
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"github.com/qdm12/gluetun/internal/models"
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"github.com/qdm12/gluetun/internal/updater/resolver"
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)
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var (
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ErrGetZip = errors.New("cannot get OpenVPN ZIP file")
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ErrGetAPI = errors.New("cannot fetch server information from API")
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ErrNotEnoughServers = errors.New("not enough servers found")
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)
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func GetServers(ctx context.Context, presolver resolver.Parallel, minServers int) (
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servers []models.WevpnServer, warnings []string, err error) {
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cities := getAvailableCities()
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servers = make([]models.WevpnServer, 0, len(cities))
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hostnames := make([]string, len(cities))
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hostnameToCity := make(map[string]string, len(cities))
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for i, city := range cities {
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hostname := getHostnameFromCity(city)
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hostnames[i] = hostname
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hostnameToCity[hostname] = city
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}
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hostnameToIPs, newWarnings, err := resolveHosts(ctx, presolver, hostnames, minServers)
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warnings = append(warnings, newWarnings...)
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if err != nil {
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return nil, warnings, err
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}
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if len(hostnameToIPs) < minServers {
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return nil, warnings, fmt.Errorf("%w: %d and expected at least %d",
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ErrNotEnoughServers, len(servers), minServers)
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}
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for hostname, ips := range hostnameToIPs {
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city := hostnameToCity[hostname]
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server := models.WevpnServer{
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City: city,
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Hostname: hostname,
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UDP: true,
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IPs: ips,
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}
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servers = append(servers, server)
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}
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sortServers(servers)
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return servers, warnings, nil
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}
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