Update Lego

vendor/github.com/xenolf/lego/providers/dns/dnsmadeeasy/internal/client.go

@@ -0,0 +1,173 @@
+package internal
+
+import (
+	"bytes"
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"time"
+)
+
+// Domain holds the DNSMadeEasy API representation of a Domain
+type Domain struct {
+	ID   int    `json:"id"`
+	Name string `json:"name"`
+}
+
+// Record holds the DNSMadeEasy API representation of a Domain Record
+type Record struct {
+	ID       int    `json:"id"`
+	Type     string `json:"type"`
+	Name     string `json:"name"`
+	Value    string `json:"value"`
+	TTL      int    `json:"ttl"`
+	SourceID int    `json:"sourceId"`
+}
+
+type recordsResponse struct {
+	Records *[]Record `json:"data"`
+}
+
+// Client DNSMadeEasy client
+type Client struct {
+	apiKey     string
+	apiSecret  string
+	BaseURL    string
+	HTTPClient *http.Client
+}
+
+// NewClient creates a DNSMadeEasy client
+func NewClient(apiKey string, apiSecret string) (*Client, error) {
+	if apiKey == "" {
+		return nil, fmt.Errorf("credentials missing: API key")
+	}
+
+	if apiSecret == "" {
+		return nil, fmt.Errorf("credentials missing: API secret")
+	}
+
+	return &Client{
+		apiKey:     apiKey,
+		apiSecret:  apiSecret,
+		HTTPClient: &http.Client{},
+	}, nil
+}
+
+// GetDomain gets a domain
+func (c *Client) GetDomain(authZone string) (*Domain, error) {
+	domainName := authZone[0 : len(authZone)-1]
+	resource := fmt.Sprintf("%s%s", "/dns/managed/name?domainname=", domainName)
+
+	resp, err := c.sendRequest(http.MethodGet, resource, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	domain := &Domain{}
+	err = json.NewDecoder(resp.Body).Decode(&domain)
+	if err != nil {
+		return nil, err
+	}
+
+	return domain, nil
+}
+
+// GetRecords gets all TXT records
+func (c *Client) GetRecords(domain *Domain, recordName, recordType string) (*[]Record, error) {
+	resource := fmt.Sprintf("%s/%d/%s%s%s%s", "/dns/managed", domain.ID, "records?recordName=", recordName, "&type=", recordType)
+
+	resp, err := c.sendRequest(http.MethodGet, resource, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	records := &recordsResponse{}
+	err = json.NewDecoder(resp.Body).Decode(&records)
+	if err != nil {
+		return nil, err
+	}
+
+	return records.Records, nil
+}
+
+// CreateRecord creates a TXT records
+func (c *Client) CreateRecord(domain *Domain, record *Record) error {
+	url := fmt.Sprintf("%s/%d/%s", "/dns/managed", domain.ID, "records")
+
+	resp, err := c.sendRequest(http.MethodPost, url, record)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}
+
+// DeleteRecord deletes a TXT records
+func (c *Client) DeleteRecord(record Record) error {
+	resource := fmt.Sprintf("%s/%d/%s/%d", "/dns/managed", record.SourceID, "records", record.ID)
+
+	resp, err := c.sendRequest(http.MethodDelete, resource, nil)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	return nil
+}
+
+func (c *Client) sendRequest(method, resource string, payload interface{}) (*http.Response, error) {
+	url := fmt.Sprintf("%s%s", c.BaseURL, resource)
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		return nil, err
+	}
+
+	timestamp := time.Now().UTC().Format(time.RFC1123)
+	signature, err := computeHMAC(timestamp, c.apiSecret)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequest(method, url, bytes.NewReader(body))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("x-dnsme-apiKey", c.apiKey)
+	req.Header.Set("x-dnsme-requestDate", timestamp)
+	req.Header.Set("x-dnsme-hmac", signature)
+	req.Header.Set("accept", "application/json")
+	req.Header.Set("content-type", "application/json")
+
+	resp, err := c.HTTPClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	if resp.StatusCode > 299 {
+		body, err := ioutil.ReadAll(resp.Body)
+		if err != nil {
+			return nil, fmt.Errorf("request failed with HTTP status code %d", resp.StatusCode)
+		}
+		return nil, fmt.Errorf("request failed with HTTP status code %d: %s", resp.StatusCode, string(body))
+	}
+
+	return resp, nil
+}
+
+func computeHMAC(message string, secret string) (string, error) {
+	key := []byte(secret)
+	h := hmac.New(sha1.New, key)
+	_, err := h.Write([]byte(message))
+	if err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(h.Sum(nil)), nil
+}