func (d *DNSProvider) Present(domain, token, keyAuth string) error {
	fqdn, value := dns01.GetRecord(domain, keyAuth)
	zone, err := d.getHostedZone(fqdn)
	if err != nil {
		return fmt.Errorf("hyperone: failed to get zone for fqdn=%s: %w", fqdn, err)
	}
	recordset, err := d.client.FindRecordset(zone.ID, "TXT", fqdn)
	if err != nil {
		return fmt.Errorf("hyperone: fqdn=%s, zone ID=%s: %w", fqdn, zone.ID, err)
	}
	if recordset == nil {
		_, err = d.client.CreateRecordset(zone.ID, "TXT", fqdn, value, d.config.TTL)
		if err != nil {
			return fmt.Errorf("hyperone: failed to create recordset: fqdn=%s, zone ID=%s, value=%s: %w", fqdn, zone.ID, value, err)
		}
		return nil
	}
	_, err = d.client.CreateRecord(zone.ID, recordset.ID, value)
	if err != nil {
		return fmt.Errorf("hyperone: failed to create record: fqdn=%s, zone ID=%s, recordset ID=%s: %w", fqdn, zone.ID, recordset.ID, err)
	}
	return nil
}
Present creates a TXT record to fulfill the dns-01 challenge.
package hyperone
import (
	"fmt"
	"net/http"
	"os"
	"path/filepath"
	"time"
	"github.com/go-acme/lego/v4/challenge/dns01"
	"github.com/go-acme/lego/v4/platform/config/env"
	"github.com/go-acme/lego/v4/providers/dns/hyperone/internal"
)
const (
	envNamespace = "HYPERONE_"
	EnvPassportLocation = envNamespace + "PASSPORT_LOCATION"
	EnvAPIUrl           = envNamespace + "API_URL"
	EnvLocationID       = envNamespace + "LOCATION_ID"
	EnvTTL                = envNamespace + "TTL"
	EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
	EnvPollingInterval    = envNamespace + "POLLING_INTERVAL"
	EnvHTTPTimeout        = envNamespace + "HTTP_TIMEOUT"
)
type Config struct {
	APIEndpoint      string
	LocationID       string
	PassportLocation string
	TTL                int
	PropagationTimeout time.Duration
	PollingInterval    time.Duration
	HTTPClient         *http.Client
}
func NewDefaultConfig() *Config {
	return &Config{
		TTL:                env.GetOrDefaultInt(EnvTTL, dns01.DefaultTTL),
		PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, dns01.DefaultPropagationTimeout),
		PollingInterval:    env.GetOrDefaultSecond(EnvPollingInterval, dns01.DefaultPollingInterval),
		HTTPClient: &http.Client{
			Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
		},
	}
}
type DNSProvider struct {
	client *internal.Client
	config *Config
}
func NewDNSProvider() (*DNSProvider, error) {
	config := NewDefaultConfig()
	config.PassportLocation = env.GetOrFile(EnvPassportLocation)
	config.LocationID = env.GetOrFile(EnvLocationID)
	config.APIEndpoint = env.GetOrFile(EnvAPIUrl)
	return NewDNSProviderConfig(config)
}
func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
	if config.PassportLocation == "" {
		var err error
		config.PassportLocation, err = GetDefaultPassportLocation()
		if err != nil {
			return nil, fmt.Errorf("hyperone: %w", err)
		}
	}
	passport, err := internal.LoadPassportFile(config.PassportLocation)
	if err != nil {
		return nil, fmt.Errorf("hyperone: %w", err)
	}
	client, err := internal.NewClient(config.APIEndpoint, config.LocationID, passport)
	if err != nil {
		return nil, fmt.Errorf("hyperone: failed to create client: %w", err)
	}
	if config.HTTPClient != nil {
		client.HTTPClient = config.HTTPClient
	}
	return &DNSProvider{client: client, config: config}, nil
}
func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
	return d.config.PropagationTimeout, d.config.PollingInterval
}