77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
package privateinternetaccess
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net"
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"net/http"
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)
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var (
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ErrHTTPStatusCodeNotOK = errors.New("HTTP status code not OK")
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)
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type apiData struct {
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Regions []regionData `json:"regions"`
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}
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type regionData struct {
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Name string `json:"name"`
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DNS string `json:"dns"`
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PortForward bool `json:"port_forward"`
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Offline bool `json:"offline"`
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Servers struct {
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UDP []serverData `json:"ovpnudp"`
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TCP []serverData `json:"ovpntcp"`
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} `json:"servers"`
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}
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type serverData struct {
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IP net.IP `json:"ip"`
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CN string `json:"cn"`
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}
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func fetchAPI(ctx context.Context, client *http.Client) (
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data apiData, err error) {
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const url = "https://serverlist.piaservers.net/vpninfo/servers/v5"
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request, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
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if err != nil {
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return data, err
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}
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response, err := client.Do(request)
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if err != nil {
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return data, err
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}
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defer response.Body.Close()
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if response.StatusCode != http.StatusOK {
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return data, fmt.Errorf("%w: %d %s", ErrHTTPStatusCodeNotOK,
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response.StatusCode, response.Status)
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}
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b, err := io.ReadAll(response.Body)
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if err != nil {
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return data, err
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}
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if err := response.Body.Close(); err != nil {
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return data, err
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}
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// remove key/signature at the bottom
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i := bytes.IndexRune(b, '\n')
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b = b[:i]
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if err := json.Unmarshal(b, &data); err != nil {
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return data, err
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}
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return data, nil
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}
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