55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// package expressvpn contains code to obtain the server information
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// for the ExpressVPN provider.
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package expressvpn
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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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"github.com/qdm12/gluetun/internal/updater/unzip"
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)
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var ErrNotEnoughServers = errors.New("not enough servers found")
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func GetServers(ctx context.Context, unzipper unzip.Unzipper,
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presolver resolver.Parallel, minServers int) (
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servers []models.ExpressvpnServer, warnings []string, err error) {
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servers = hardcodedServers()
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hosts := make([]string, len(servers))
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for i := range servers {
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hosts[i] = servers[i].Hostname
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}
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hostToIPs, newWarnings, err := resolveHosts(ctx, presolver, hosts, 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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i := 0
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for _, server := range servers {
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hostname := server.Hostname
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server.IPs = hostToIPs[hostname]
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if len(server.IPs) == 0 {
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continue
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}
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server.UDP = true // no TCP support
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servers[i] = server
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i++
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}
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servers = servers[:i]
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if len(servers) < 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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sortServers(servers)
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return servers, warnings, nil
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}
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