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