mirror of
https://github.com/go-acme/lego.git
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235 lines
6.1 KiB
Go
235 lines
6.1 KiB
Go
package internal
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha1"
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"encoding/base64"
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"encoding/xml"
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"errors"
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"fmt"
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"net/http"
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"time"
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)
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const (
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defaultBaseURL = "https://dns.api.nifcloud.com"
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apiVersion = "2012-12-12N2013-12-16"
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// XMLNs XML NS of Route53
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XMLNs = "https://route53.amazonaws.com/doc/2012-12-12/"
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)
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// ChangeResourceRecordSetsRequest is a complex type that contains change information for the resource record set.
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type ChangeResourceRecordSetsRequest struct {
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XMLNs string `xml:"xmlns,attr"`
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ChangeBatch ChangeBatch `xml:"ChangeBatch"`
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}
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// ChangeResourceRecordSetsResponse is a complex type containing the response for the request.
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type ChangeResourceRecordSetsResponse struct {
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ChangeInfo ChangeInfo `xml:"ChangeInfo"`
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}
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// GetChangeResponse is a complex type that contains the ChangeInfo element.
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type GetChangeResponse struct {
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ChangeInfo ChangeInfo `xml:"ChangeInfo"`
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}
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// ErrorResponse is the information for any errors.
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type ErrorResponse struct {
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Error struct {
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Type string `xml:"Type"`
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Message string `xml:"Message"`
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Code string `xml:"Code"`
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} `xml:"Error"`
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RequestID string `xml:"RequestId"`
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}
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// ChangeBatch is the information for a change request.
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type ChangeBatch struct {
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Changes Changes `xml:"Changes"`
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Comment string `xml:"Comment"`
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}
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// Changes is array of Change.
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type Changes struct {
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Change []Change `xml:"Change"`
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}
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// Change is the information for each resource record set that you want to change.
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type Change struct {
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Action string `xml:"Action"`
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ResourceRecordSet ResourceRecordSet `xml:"ResourceRecordSet"`
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}
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// ResourceRecordSet is the information about the resource record set to create or delete.
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type ResourceRecordSet struct {
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Name string `xml:"Name"`
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Type string `xml:"Type"`
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TTL int `xml:"TTL"`
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ResourceRecords ResourceRecords `xml:"ResourceRecords"`
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}
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// ResourceRecords is array of ResourceRecord.
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type ResourceRecords struct {
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ResourceRecord []ResourceRecord `xml:"ResourceRecord"`
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}
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// ResourceRecord is the information specific to the resource record.
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type ResourceRecord struct {
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Value string `xml:"Value"`
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}
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// ChangeInfo is A complex type that describes change information about changes made to your hosted zone.
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type ChangeInfo struct {
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ID string `xml:"Id"`
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Status string `xml:"Status"`
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SubmittedAt string `xml:"SubmittedAt"`
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}
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// NewClient Creates a new client of NIFCLOUD DNS
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func NewClient(accessKey string, secretKey string) (*Client, error) {
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if len(accessKey) == 0 || len(secretKey) == 0 {
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return nil, errors.New("credentials missing")
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}
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return &Client{
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accessKey: accessKey,
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secretKey: secretKey,
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BaseURL: defaultBaseURL,
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HTTPClient: &http.Client{},
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}, nil
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}
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// Client client of NIFCLOUD DNS
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type Client struct {
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accessKey string
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secretKey string
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BaseURL string
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HTTPClient *http.Client
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}
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// ChangeResourceRecordSets Call ChangeResourceRecordSets API and return response.
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func (c *Client) ChangeResourceRecordSets(hostedZoneID string, input ChangeResourceRecordSetsRequest) (*ChangeResourceRecordSetsResponse, error) {
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requestURL := fmt.Sprintf("%s/%s/hostedzone/%s/rrset", c.BaseURL, apiVersion, hostedZoneID)
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body := &bytes.Buffer{}
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body.Write([]byte(xml.Header))
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err := xml.NewEncoder(body).Encode(input)
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if err != nil {
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return nil, err
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}
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req, err := http.NewRequest(http.MethodPost, requestURL, body)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "text/xml; charset=utf-8")
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err = c.sign(req)
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if err != nil {
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return nil, fmt.Errorf("an error occurred during the creation of the signature: %w", err)
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}
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res, err := c.HTTPClient.Do(req)
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if err != nil {
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return nil, err
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}
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if res.Body == nil {
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return nil, errors.New("the response body is nil")
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}
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defer res.Body.Close()
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if res.StatusCode != http.StatusOK {
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errResp := &ErrorResponse{}
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err = xml.NewDecoder(res.Body).Decode(errResp)
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if err != nil {
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return nil, fmt.Errorf("an error occurred while unmarshaling the error body to XML: %w", err)
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}
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return nil, fmt.Errorf("an error occurred: %s", errResp.Error.Message)
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}
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output := &ChangeResourceRecordSetsResponse{}
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err = xml.NewDecoder(res.Body).Decode(output)
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if err != nil {
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return nil, fmt.Errorf("an error occurred while unmarshaling the response body to XML: %w", err)
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}
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return output, err
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}
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// GetChange Call GetChange API and return response.
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func (c *Client) GetChange(statusID string) (*GetChangeResponse, error) {
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requestURL := fmt.Sprintf("%s/%s/change/%s", c.BaseURL, apiVersion, statusID)
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req, err := http.NewRequest(http.MethodGet, requestURL, nil)
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if err != nil {
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return nil, err
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}
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err = c.sign(req)
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if err != nil {
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return nil, fmt.Errorf("an error occurred during the creation of the signature: %w", err)
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}
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res, err := c.HTTPClient.Do(req)
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if err != nil {
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return nil, err
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}
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if res.Body == nil {
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return nil, errors.New("the response body is nil")
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}
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defer res.Body.Close()
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if res.StatusCode != http.StatusOK {
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errResp := &ErrorResponse{}
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err = xml.NewDecoder(res.Body).Decode(errResp)
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if err != nil {
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return nil, fmt.Errorf("an error occurred while unmarshaling the error body to XML: %w", err)
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}
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return nil, fmt.Errorf("an error occurred: %s", errResp.Error.Message)
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}
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output := &GetChangeResponse{}
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err = xml.NewDecoder(res.Body).Decode(output)
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if err != nil {
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return nil, fmt.Errorf("an error occurred while unmarshaling the response body to XML: %w", err)
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}
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return output, nil
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}
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func (c *Client) sign(req *http.Request) error {
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if req.Header.Get("Date") == "" {
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location, err := time.LoadLocation("GMT")
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if err != nil {
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return err
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}
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req.Header.Set("Date", time.Now().In(location).Format(time.RFC1123))
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}
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if req.URL.Path == "" {
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req.URL.Path += "/"
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}
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mac := hmac.New(sha1.New, []byte(c.secretKey))
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_, err := mac.Write([]byte(req.Header.Get("Date")))
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if err != nil {
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return err
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}
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hashed := mac.Sum(nil)
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signature := base64.StdEncoding.EncodeToString(hashed)
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auth := fmt.Sprintf("NIFTY3-HTTPS NiftyAccessKeyId=%s,Algorithm=HmacSHA1,Signature=%s", c.accessKey, signature)
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req.Header.Set("X-Nifty-Authorization", auth)
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return nil
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}
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