Update lego

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

@@ -5,6 +5,7 @@ package glesys
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 	"strings"
@@ -18,64 +19,102 @@ import (
 
 // GleSYS API reference: https://github.com/GleSYS/API/wiki/API-Documentation
 
-// domainAPI is the GleSYS API endpoint used by Present and CleanUp.
-const domainAPI = "https://api.glesys.com/domain"
+const (
+	// defaultBaseURL is the GleSYS API endpoint used by Present and CleanUp.
+	defaultBaseURL = "https://api.glesys.com/domain"
+	minTTL         = 60
+)
+
+// Config is used to configure the creation of the DNSProvider
+type Config struct {
+	APIUser            string
+	APIKey             string
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	TTL                int
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider
+func NewDefaultConfig() *Config {
+	return &Config{
+		TTL:                env.GetOrDefaultInt("GLESYS_TTL", minTTL),
+		PropagationTimeout: env.GetOrDefaultSecond("GLESYS_PROPAGATION_TIMEOUT", 20*time.Minute),
+		PollingInterval:    env.GetOrDefaultSecond("GLESYS_POLLING_INTERVAL", 20*time.Second),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond("GLESYS_HTTP_TIMEOUT", 10*time.Second),
+		},
+	}
+}
 
 // DNSProvider is an implementation of the
 // acme.ChallengeProviderTimeout interface that uses GleSYS
 // API to manage TXT records for a domain.
 type DNSProvider struct {
-	apiUser       string
-	apiKey        string
+	config        *Config
 	activeRecords map[string]int
 	inProgressMu  sync.Mutex
-	client        *http.Client
 }
 
 // NewDNSProvider returns a DNSProvider instance configured for GleSYS.
-// Credentials must be passed in the environment variables: GLESYS_API_USER
-// and GLESYS_API_KEY.
+// Credentials must be passed in the environment variables:
+// GLESYS_API_USER and GLESYS_API_KEY.
 func NewDNSProvider() (*DNSProvider, error) {
 	values, err := env.Get("GLESYS_API_USER", "GLESYS_API_KEY")
 	if err != nil {
-		return nil, fmt.Errorf("GleSYS DNS: %v", err)
+		return nil, fmt.Errorf("glesys: %v", err)
 	}
 
-	return NewDNSProviderCredentials(values["GLESYS_API_USER"], values["GLESYS_API_KEY"])
+	config := NewDefaultConfig()
+	config.APIUser = values["GLESYS_API_USER"]
+	config.APIKey = values["GLESYS_API_KEY"]
+
+	return NewDNSProviderConfig(config)
 }
 
-// NewDNSProviderCredentials uses the supplied credentials to return a
-// DNSProvider instance configured for GleSYS.
+// NewDNSProviderCredentials uses the supplied credentials
+// to return a DNSProvider instance configured for GleSYS.
+// Deprecated
 func NewDNSProviderCredentials(apiUser string, apiKey string) (*DNSProvider, error) {
-	if apiUser == "" || apiKey == "" {
-		return nil, fmt.Errorf("GleSYS DNS: Incomplete credentials provided")
+	config := NewDefaultConfig()
+	config.APIUser = apiUser
+	config.APIKey = apiKey
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for GleSYS.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("glesys: the configuration of the DNS provider is nil")
+	}
+
+	if config.APIUser == "" || config.APIKey == "" {
+		return nil, fmt.Errorf("glesys: incomplete credentials provided")
 	}
 
 	return &DNSProvider{
-		apiUser:       apiUser,
-		apiKey:        apiKey,
 		activeRecords: make(map[string]int),
-		client:        &http.Client{Timeout: 10 * time.Second},
 	}, nil
 }
 
 // Present creates a TXT record using the specified parameters.
 func (d *DNSProvider) Present(domain, token, keyAuth string) error {
-	fqdn, value, ttl := acme.DNS01Record(domain, keyAuth)
-	if ttl < 60 {
-		ttl = 60 // 60 is GleSYS minimum value for ttl
+	fqdn, value, _ := acme.DNS01Record(domain, keyAuth)
+
+	if d.config.TTL < minTTL {
+		d.config.TTL = minTTL // 60 is GleSYS minimum value for ttl
 	}
 	// find authZone
 	authZone, err := acme.FindZoneByFqdn(fqdn, acme.RecursiveNameservers)
 	if err != nil {
-		return fmt.Errorf("GleSYS DNS: findZoneByFqdn failure: %v", err)
+		return fmt.Errorf("glesys: findZoneByFqdn failure: %v", err)
 	}
 
 	// determine name of TXT record
 	if !strings.HasSuffix(
 		strings.ToLower(fqdn), strings.ToLower("."+authZone)) {
-		return fmt.Errorf(
-			"GleSYS DNS: unexpected authZone %s for fqdn %s", authZone, fqdn)
+		return fmt.Errorf("glesys: unexpected authZone %s for fqdn %s", authZone, fqdn)
 	}
 	name := fqdn[:len(fqdn)-len("."+authZone)]
 
@@ -85,7 +124,7 @@ func (d *DNSProvider) Present(domain, token, keyAuth string) error {
 	defer d.inProgressMu.Unlock()
 
 	// add TXT record into authZone
-	recordID, err := d.addTXTRecord(domain, acme.UnFqdn(authZone), name, value, ttl)
+	recordID, err := d.addTXTRecord(domain, acme.UnFqdn(authZone), name, value, d.config.TTL)
 	if err != nil {
 		return err
 	}
@@ -118,36 +157,13 @@ func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
 // are used by the acme package as timeout and check interval values
 // when checking for DNS record propagation with GleSYS.
 func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
-	return 20 * time.Minute, 20 * time.Second
-}
-
-// types for JSON method calls, parameters, and responses
-
-type addRecordRequest struct {
-	DomainName string `json:"domainname"`
-	Host       string `json:"host"`
-	Type       string `json:"type"`
-	Data       string `json:"data"`
-	TTL        int    `json:"ttl,omitempty"`
-}
-
-type deleteRecordRequest struct {
-	RecordID int `json:"recordid"`
-}
-
-type responseStruct struct {
-	Response struct {
-		Status struct {
-			Code int `json:"code"`
-		} `json:"status"`
-		Record deleteRecordRequest `json:"record"`
-	} `json:"response"`
+	return d.config.PropagationTimeout, d.config.PollingInterval
 }
 
 // POSTing/Marshalling/Unmarshalling
 
 func (d *DNSProvider) sendRequest(method string, resource string, payload interface{}) (*responseStruct, error) {
-	url := fmt.Sprintf("%s/%s", domainAPI, resource)
+	url := fmt.Sprintf("%s/%s", defaultBaseURL, resource)
 
 	body, err := json.Marshal(payload)
 	if err != nil {
@@ -160,16 +176,16 @@ func (d *DNSProvider) sendRequest(method string, resource string, payload interf
 	}
 
 	req.Header.Set("Content-Type", "application/json")
-	req.SetBasicAuth(d.apiUser, d.apiKey)
+	req.SetBasicAuth(d.config.APIUser, d.config.APIKey)
 
-	resp, err := d.client.Do(req)
+	resp, err := d.config.HTTPClient.Do(req)
 	if err != nil {
 		return nil, err
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode >= 400 {
-		return nil, fmt.Errorf("GleSYS DNS: request failed with HTTP status code %d", resp.StatusCode)
+		return nil, fmt.Errorf("request failed with HTTP status code %d", resp.StatusCode)
 	}
 
 	var response responseStruct
@@ -190,7 +206,7 @@ func (d *DNSProvider) addTXTRecord(fqdn string, domain string, name string, valu
 	})
 
 	if response != nil && response.Response.Status.Code == http.StatusOK {
-		log.Infof("[%s] GleSYS DNS: Successfully created record id %d", fqdn, response.Response.Record.RecordID)
+		log.Infof("[%s]: Successfully created record id %d", fqdn, response.Response.Record.RecordID)
 		return response.Response.Record.RecordID, nil
 	}
 	return 0, err
@@ -201,7 +217,7 @@ func (d *DNSProvider) deleteTXTRecord(fqdn string, recordid int) error {
 		RecordID: recordid,
 	})
 	if response != nil && response.Response.Status.Code == 200 {
-		log.Infof("[%s] GleSYS DNS: Successfully deleted record id %d", fqdn, recordid)
+		log.Infof("[%s]: Successfully deleted record id %d", fqdn, recordid)
 	}
 	return err
 }