Update lego

vendor/github.com/xenolf/lego/providers/dns/netcup/netcup.go

@@ -2,6 +2,7 @@
 package netcup
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"strings"
@@ -11,37 +12,78 @@ import (
 	"github.com/xenolf/lego/platform/config/env"
 )
 
+// Config is used to configure the creation of the DNSProvider
+type Config struct {
+	Key                string
+	Password           string
+	Customer           string
+	TTL                int
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider
+func NewDefaultConfig() *Config {
+	return &Config{
+		TTL:                env.GetOrDefaultInt("NETCUP_TTL", 120),
+		PropagationTimeout: env.GetOrDefaultSecond("NETCUP_PROPAGATION_TIMEOUT", acme.DefaultPropagationTimeout),
+		PollingInterval:    env.GetOrDefaultSecond("NETCUP_POLLING_INTERVAL", acme.DefaultPollingInterval),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond("NETCUP_HTTP_TIMEOUT", 10*time.Second),
+		},
+	}
+}
+
 // DNSProvider is an implementation of the acme.ChallengeProvider interface
 type DNSProvider struct {
 	client *Client
+	config *Config
 }
 
 // NewDNSProvider returns a DNSProvider instance configured for netcup.
-// Credentials must be passed in the environment variables: NETCUP_CUSTOMER_NUMBER,
-// NETCUP_API_KEY, NETCUP_API_PASSWORD
+// Credentials must be passed in the environment variables:
+// NETCUP_CUSTOMER_NUMBER, NETCUP_API_KEY, NETCUP_API_PASSWORD
 func NewDNSProvider() (*DNSProvider, error) {
 	values, err := env.Get("NETCUP_CUSTOMER_NUMBER", "NETCUP_API_KEY", "NETCUP_API_PASSWORD")
 	if err != nil {
 		return nil, fmt.Errorf("netcup: %v", err)
 	}
 
-	return NewDNSProviderCredentials(values["NETCUP_CUSTOMER_NUMBER"], values["NETCUP_API_KEY"], values["NETCUP_API_PASSWORD"])
+	config := NewDefaultConfig()
+	config.Customer = values["NETCUP_CUSTOMER_NUMBER"]
+	config.Key = values["NETCUP_API_KEY"]
+	config.Password = values["NETCUP_API_PASSWORD"]
+
+	return NewDNSProviderConfig(config)
 }
 
-// NewDNSProviderCredentials uses the supplied credentials to return a
-// DNSProvider instance configured for netcup.
+// NewDNSProviderCredentials uses the supplied credentials
+// to return a DNSProvider instance configured for netcup.
+// Deprecated
 func NewDNSProviderCredentials(customer, key, password string) (*DNSProvider, error) {
-	if customer == "" || key == "" || password == "" {
+	config := NewDefaultConfig()
+	config.Customer = customer
+	config.Key = key
+	config.Password = password
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for netcup.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("netcup: the configuration of the DNS provider is nil")
+	}
+
+	if config.Customer == "" || config.Key == "" || config.Password == "" {
 		return nil, fmt.Errorf("netcup: netcup credentials missing")
 	}
 
-	httpClient := &http.Client{
-		Timeout: 10 * time.Second,
-	}
+	client := NewClient(config.Customer, config.Key, config.Password)
+	client.HTTPClient = config.HTTPClient
 
-	return &DNSProvider{
-		client: NewClient(httpClient, customer, key, password),
-	}, nil
+	return &DNSProvider{client: client, config: config}, nil
 }
 
 // Present creates a TXT record to fulfill the dns-01 challenge
@@ -55,21 +97,25 @@ func (d *DNSProvider) Present(domainName, token, keyAuth string) error {
 
 	sessionID, err := d.client.Login()
 	if err != nil {
-		return err
+		return fmt.Errorf("netcup: %v", err)
 	}
 
 	hostname := strings.Replace(fqdn, "."+zone, "", 1)
-	record := CreateTxtRecord(hostname, value)
+	record := CreateTxtRecord(hostname, value, d.config.TTL)
 
 	err = d.client.UpdateDNSRecord(sessionID, acme.UnFqdn(zone), record)
 	if err != nil {
 		if errLogout := d.client.Logout(sessionID); errLogout != nil {
-			return fmt.Errorf("failed to add TXT-Record: %v; %v", err, errLogout)
+			return fmt.Errorf("netcup: failed to add TXT-Record: %v; %v", err, errLogout)
 		}
-		return fmt.Errorf("failed to add TXT-Record: %v", err)
+		return fmt.Errorf("netcup: failed to add TXT-Record: %v", err)
 	}
 
-	return d.client.Logout(sessionID)
+	err = d.client.Logout(sessionID)
+	if err != nil {
+		return fmt.Errorf("netcup: %v", err)
+	}
+	return nil
 }
 
 // CleanUp removes the TXT record matching the specified parameters
@@ -78,12 +124,12 @@ func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
 
 	zone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
 	if err != nil {
-		return fmt.Errorf("failed to find DNSZone, %v", err)
+		return fmt.Errorf("netcup: failed to find DNSZone, %v", err)
 	}
 
 	sessionID, err := d.client.Login()
 	if err != nil {
-		return err
+		return fmt.Errorf("netcup: %v", err)
 	}
 
 	hostname := strings.Replace(fqdn, "."+zone, "", 1)
@@ -92,14 +138,14 @@ func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
 
 	records, err := d.client.GetDNSRecords(zone, sessionID)
 	if err != nil {
-		return err
+		return fmt.Errorf("netcup: %v", err)
 	}
 
-	record := CreateTxtRecord(hostname, value)
+	record := CreateTxtRecord(hostname, value, 0)
 
 	idx, err := GetDNSRecordIdx(records, record)
 	if err != nil {
-		return err
+		return fmt.Errorf("netcup: %v", err)
 	}
 
 	records[idx].DeleteRecord = true
@@ -107,10 +153,20 @@ func (d *DNSProvider) CleanUp(domainname, token, keyAuth string) error {
 	err = d.client.UpdateDNSRecord(sessionID, zone, records[idx])
 	if err != nil {
 		if errLogout := d.client.Logout(sessionID); errLogout != nil {
-			return fmt.Errorf("%v; %v", err, errLogout)
+			return fmt.Errorf("netcup: %v; %v", err, errLogout)
 		}
-		return err
+		return fmt.Errorf("netcup: %v", err)
 	}
 
-	return d.client.Logout(sessionID)
+	err = d.client.Logout(sessionID)
+	if err != nil {
+		return fmt.Errorf("netcup: %v", err)
+	}
+	return nil
+}
+
+// Timeout returns the timeout and interval to use when checking for DNS propagation.
+// Adjusting here to cope with spikes in propagation times.
+func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
+	return d.config.PropagationTimeout, d.config.PollingInterval
 }