lego/vendor/github.com/cloudflare/cloudflare-go/ips.go

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package cloudflare
import (
"encoding/json"
"io/ioutil"
"net/http"
"github.com/pkg/errors"
)
// IPRanges contains lists of IPv4 and IPv6 CIDRs.
type IPRanges struct {
IPv4CIDRs []string `json:"ipv4_cidrs"`
IPv6CIDRs []string `json:"ipv6_cidrs"`
}
// IPsResponse is the API response containing a list of IPs.
type IPsResponse struct {
Response
Result IPRanges `json:"result"`
}
// IPs gets a list of Cloudflare's IP ranges.
//
// This does not require logging in to the API.
//
// API reference: https://api.cloudflare.com/#cloudflare-ips
func IPs() (IPRanges, error) {
resp, err := http.Get(apiURL + "/ips")
if err != nil {
return IPRanges{}, errors.Wrap(err, "HTTP request failed")
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return IPRanges{}, errors.Wrap(err, "Response body could not be read")
}
var r IPsResponse
err = json.Unmarshal(body, &r)
if err != nil {
return IPRanges{}, errors.Wrap(err, errUnmarshalError)
}
return r.Result, nil
}