ACME TLS ALPN

vendor/github.com/xenolf/lego/providers/dns/nifcloud/client.go

@@ -0,0 +1,235 @@
+// Package nifcloud implements a DNS provider for solving the DNS-01 challenge
+// using NIFCLOUD DNS.
+package nifcloud
+
+import (
+	"bytes"
+	"crypto/hmac"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/xml"
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+)
+
+const (
+	defaultEndpoint = "https://dns.api.cloud.nifty.com"
+	apiVersion      = "2012-12-12N2013-12-16"
+	xmlNs           = "https://route53.amazonaws.com/doc/2012-12-12/"
+)
+
+// ChangeResourceRecordSetsRequest is a complex type that contains change information for the resource record set.
+type ChangeResourceRecordSetsRequest struct {
+	XMLNs       string      `xml:"xmlns,attr"`
+	ChangeBatch ChangeBatch `xml:"ChangeBatch"`
+}
+
+// ChangeResourceRecordSetsResponse is a complex type containing the response for the request.
+type ChangeResourceRecordSetsResponse struct {
+	ChangeInfo ChangeInfo `xml:"ChangeInfo"`
+}
+
+// GetChangeResponse is a complex type that contains the ChangeInfo element.
+type GetChangeResponse struct {
+	ChangeInfo ChangeInfo `xml:"ChangeInfo"`
+}
+
+// ErrorResponse is the information for any errors.
+type ErrorResponse struct {
+	Error struct {
+		Type    string `xml:"Type"`
+		Message string `xml:"Message"`
+		Code    string `xml:"Code"`
+	} `xml:"Error"`
+	RequestID string `xml:"RequestId"`
+}
+
+// ChangeBatch is the information for a change request.
+type ChangeBatch struct {
+	Changes Changes `xml:"Changes"`
+	Comment string  `xml:"Comment"`
+}
+
+// Changes is array of Change.
+type Changes struct {
+	Change []Change `xml:"Change"`
+}
+
+// Change is the information for each resource record set that you want to change.
+type Change struct {
+	Action            string            `xml:"Action"`
+	ResourceRecordSet ResourceRecordSet `xml:"ResourceRecordSet"`
+}
+
+// ResourceRecordSet is the information about the resource record set to create or delete.
+type ResourceRecordSet struct {
+	Name            string          `xml:"Name"`
+	Type            string          `xml:"Type"`
+	TTL             int             `xml:"TTL"`
+	ResourceRecords ResourceRecords `xml:"ResourceRecords"`
+}
+
+// ResourceRecords is array of ResourceRecord.
+type ResourceRecords struct {
+	ResourceRecord []ResourceRecord `xml:"ResourceRecord"`
+}
+
+// ResourceRecord is the information specific to the resource record.
+type ResourceRecord struct {
+	Value string `xml:"Value"`
+}
+
+// ChangeInfo is A complex type that describes change information about changes made to your hosted zone.
+type ChangeInfo struct {
+	ID          string `xml:"Id"`
+	Status      string `xml:"Status"`
+	SubmittedAt string `xml:"SubmittedAt"`
+}
+
+func newClient(httpClient *http.Client, accessKey string, secretKey string, endpoint string) *Client {
+	client := http.DefaultClient
+	if httpClient != nil {
+		client = httpClient
+	}
+
+	return &Client{
+		accessKey: accessKey,
+		secretKey: secretKey,
+		endpoint:  endpoint,
+		client:    client,
+	}
+}
+
+// Client client of NIFCLOUD DNS
+type Client struct {
+	accessKey string
+	secretKey string
+	endpoint  string
+	client    *http.Client
+}
+
+// ChangeResourceRecordSets Call ChangeResourceRecordSets API and return response.
+func (c *Client) ChangeResourceRecordSets(hostedZoneID string, input ChangeResourceRecordSetsRequest) (*ChangeResourceRecordSetsResponse, error) {
+	requestURL := fmt.Sprintf("%s/%s/hostedzone/%s/rrset", c.endpoint, apiVersion, hostedZoneID)
+
+	body := &bytes.Buffer{}
+	body.Write([]byte(xml.Header))
+	err := xml.NewEncoder(body).Encode(input)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := http.NewRequest(http.MethodPost, requestURL, body)
+	if err != nil {
+		return nil, err
+	}
+
+	req.Header.Set("Content-Type", "text/xml; charset=utf-8")
+
+	err = c.sign(req)
+	if err != nil {
+		return nil, fmt.Errorf("an error occurred during the creation of the signature: %v", err)
+	}
+
+	res, err := c.client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	if res.Body == nil {
+		return nil, errors.New("the response body is nil")
+	}
+
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		errResp := &ErrorResponse{}
+		err = xml.NewDecoder(res.Body).Decode(errResp)
+		if err != nil {
+			return nil, fmt.Errorf("an error occurred while unmarshaling the error body to XML: %v", err)
+		}
+
+		return nil, fmt.Errorf("an error occurred: %s", errResp.Error.Message)
+	}
+
+	output := &ChangeResourceRecordSetsResponse{}
+	err = xml.NewDecoder(res.Body).Decode(output)
+	if err != nil {
+		return nil, fmt.Errorf("an error occurred while unmarshaling the response body to XML: %v", err)
+	}
+
+	return output, err
+}
+
+// GetChange Call GetChange API and return response.
+func (c *Client) GetChange(statusID string) (*GetChangeResponse, error) {
+	requestURL := fmt.Sprintf("%s/%s/change/%s", c.endpoint, apiVersion, statusID)
+
+	req, err := http.NewRequest(http.MethodGet, requestURL, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	err = c.sign(req)
+	if err != nil {
+		return nil, fmt.Errorf("an error occurred during the creation of the signature: %v", err)
+	}
+
+	res, err := c.client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	if res.Body == nil {
+		return nil, errors.New("the response body is nil")
+	}
+
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		errResp := &ErrorResponse{}
+		err = xml.NewDecoder(res.Body).Decode(errResp)
+		if err != nil {
+			return nil, fmt.Errorf("an error occurred while unmarshaling the error body to XML: %v", err)
+		}
+
+		return nil, fmt.Errorf("an error occurred: %s", errResp.Error.Message)
+	}
+
+	output := &GetChangeResponse{}
+	err = xml.NewDecoder(res.Body).Decode(output)
+	if err != nil {
+		return nil, fmt.Errorf("an error occurred while unmarshaling the response body to XML: %v", err)
+	}
+
+	return output, nil
+}
+
+func (c *Client) sign(req *http.Request) error {
+	if req.Header.Get("Date") == "" {
+		location, err := time.LoadLocation("GMT")
+		if err != nil {
+			return err
+		}
+
+		req.Header.Set("Date", time.Now().In(location).Format(time.RFC1123))
+	}
+
+	if req.URL.Path == "" {
+		req.URL.Path += "/"
+	}
+
+	mac := hmac.New(sha1.New, []byte(c.secretKey))
+	_, err := mac.Write([]byte(req.Header.Get("Date")))
+	if err != nil {
+		return err
+	}
+
+	hashed := mac.Sum(nil)
+	signature := base64.StdEncoding.EncodeToString(hashed)
+
+	auth := fmt.Sprintf("NIFTY3-HTTPS NiftyAccessKeyId=%s,Algorithm=HmacSHA1,Signature=%s", c.accessKey, signature)
+	req.Header.Set("X-Nifty-Authorization", auth)
+
+	return nil
+}