Update lego.

vendor/github.com/go-acme/lego/providers/dns/bindman/bindman.go

@@ -0,0 +1,99 @@
+// Package bindman implements a DNS provider for solving the DNS-01 challenge.
+package bindman
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"github.com/go-acme/lego/challenge/dns01"
+	"github.com/go-acme/lego/platform/config/env"
+	"github.com/labbsr0x/bindman-dns-webhook/src/client"
+)
+
+// Config is used to configure the creation of the DNSProvider
+type Config struct {
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	BaseURL            string
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider
+func NewDefaultConfig() *Config {
+	return &Config{
+		PropagationTimeout: env.GetOrDefaultSecond("BINDMAN_PROPAGATION_TIMEOUT", dns01.DefaultPropagationTimeout),
+		PollingInterval:    env.GetOrDefaultSecond("BINDMAN_POLLING_INTERVAL", dns01.DefaultPollingInterval),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond("BINDMAN_HTTP_TIMEOUT", time.Minute),
+		},
+	}
+}
+
+// DNSProvider is an implementation of the acme.ChallengeProvider interface that uses
+// Bindman's Address Manager REST API to manage TXT records for a domain.
+type DNSProvider struct {
+	config *Config
+	client *client.DNSWebhookClient
+}
+
+// NewDNSProvider returns a DNSProvider instance configured for Bindman.
+// BINDMAN_MANAGER_ADDRESS should have the scheme, hostname, and port (if required) of the authoritative Bindman Manager server.
+func NewDNSProvider() (*DNSProvider, error) {
+	values, err := env.Get("BINDMAN_MANAGER_ADDRESS")
+	if err != nil {
+		return nil, fmt.Errorf("bindman: %v", err)
+	}
+
+	config := NewDefaultConfig()
+	config.BaseURL = values["BINDMAN_MANAGER_ADDRESS"]
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for Bindman.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("bindman: the configuration of the DNS provider is nil")
+	}
+
+	if config.BaseURL == "" {
+		return nil, fmt.Errorf("bindman: bindman manager address missing")
+	}
+
+	bClient, err := client.New(config.BaseURL, config.HTTPClient)
+	if err != nil {
+		return nil, fmt.Errorf("bindman: %v", err)
+	}
+
+	return &DNSProvider{config: config, client: bClient}, nil
+}
+
+// Present creates a TXT record using the specified parameters.
+// This will *not* create a subzone to contain the TXT record,
+// so make sure the FQDN specified is within an extant zone.
+func (d *DNSProvider) Present(domain, token, keyAuth string) error {
+	fqdn, value := dns01.GetRecord(domain, keyAuth)
+
+	if err := d.client.AddRecord(fqdn, "TXT", value); err != nil {
+		return fmt.Errorf("bindman: %v", err)
+	}
+	return nil
+}
+
+// CleanUp removes the TXT record matching the specified parameters.
+func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
+	fqdn, _ := dns01.GetRecord(domain, keyAuth)
+
+	if err := d.client.RemoveRecord(fqdn, "TXT"); err != nil {
+		return fmt.Errorf("bindman: %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
+}