forked from TrueCloudLab/lego
46 lines
1 KiB
Go
46 lines
1 KiB
Go
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package internal
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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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"time"
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"github.com/go-acme/lego/v4/log"
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"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
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)
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const getIPURL = "https://dynamicdns.park-your-domain.com/getip"
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// GetClientIP returns the client's public IP address.
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// It uses namecheap's IP discovery service to perform the lookup.
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func GetClientIP(ctx context.Context, client *http.Client, debug bool) (addr string, err error) {
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if client == nil {
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client = &http.Client{Timeout: 5 * time.Second}
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}
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, getIPURL, http.NoBody)
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if err != nil {
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return "", fmt.Errorf("unable to create request: %w", err)
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}
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resp, err := client.Do(req)
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if err != nil {
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return "", err
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}
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defer func() { _ = resp.Body.Close() }()
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clientIP, err := io.ReadAll(resp.Body)
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if err != nil {
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return "", errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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if debug {
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log.Println("Client IP:", string(clientIP))
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}
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return string(clientIP), nil
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}
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