Files
gluetun/internal/updater/providers/surfshark/api.go
2022-02-20 02:58:16 +00:00

77 lines
1.8 KiB
Go

package surfshark
import (
"context"
"encoding/json"
"errors"
"fmt"
"net/http"
"github.com/qdm12/gluetun/internal/constants"
)
// Note: no multi-hop and some servers are missing from their API.
func addServersFromAPI(ctx context.Context, client *http.Client,
hts hostToServer) (err error) {
data, err := fetchAPI(ctx, client)
if err != nil {
return err
}
locationData := constants.SurfsharkLocationData()
hostToLocation := hostToLocation(locationData)
const tcp, udp = true, true
for _, serverData := range data {
locationData := hostToLocation[serverData.Host] // TODO remove in v4
retroLoc := locationData.RetroLoc // empty string if the host has no retro-compatible region
hts.add(serverData.Host, serverData.Region, serverData.Country,
serverData.Location, retroLoc, tcp, udp)
}
return nil
}
var (
ErrHTTPStatusCodeNotOK = errors.New("HTTP status code not OK")
)
type serverData struct {
Host string `json:"connectionName"`
Region string `json:"region"`
Country string `json:"country"`
Location string `json:"location"`
}
func fetchAPI(ctx context.Context, client *http.Client) (
servers []serverData, err error) {
const url = "https://my.surfshark.com/vpn/api/v4/server/clusters"
request, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return nil, err
}
response, err := client.Do(request)
if err != nil {
return nil, err
}
defer response.Body.Close()
if response.StatusCode != http.StatusOK {
return nil, fmt.Errorf("%w: %d %s", ErrHTTPStatusCodeNotOK,
response.StatusCode, response.Status)
}
decoder := json.NewDecoder(response.Body)
if err := decoder.Decode(&servers); err != nil {
return nil, fmt.Errorf("failed unmarshaling response body: %w", err)
}
if err := response.Body.Close(); err != nil {
return nil, err
}
return servers, nil
}