44 lines
815 B
Go
44 lines
815 B
Go
package openvpn
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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)
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func FetchFile(ctx context.Context, client *http.Client, url string) (
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host string, err error,
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) {
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b, err := fetchData(ctx, client, url)
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if err != nil {
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return "", err
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}
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const rejectIP = true
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const rejectDomain = false
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hosts := extractRemoteHosts(b, rejectIP, rejectDomain)
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if len(hosts) == 0 {
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return "", fmt.Errorf("%w for url %s", ErrNoRemoteHost, url)
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}
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return hosts[0], nil
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}
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func fetchData(ctx context.Context, client *http.Client, url string) (
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b []byte, err error,
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) {
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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 nil, 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 nil, err
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}
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defer response.Body.Close()
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return io.ReadAll(response.Body)
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}
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