forked from TrueCloudLab/lego
146 lines
3.5 KiB
Go
146 lines
3.5 KiB
Go
package dyn // import "github.com/xenolf/lego/providers/dns/dyn"
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net/http"
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)
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const defaultBaseURL = "https://api.dynect.net/REST"
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type dynResponse struct {
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// One of 'success', 'failure', or 'incomplete'
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Status string `json:"status"`
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// The structure containing the actual results of the request
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Data json.RawMessage `json:"data"`
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// The ID of the job that was created in response to a request.
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JobID int `json:"job_id"`
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// A list of zero or more messages
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Messages json.RawMessage `json:"msgs"`
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}
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type credentials struct {
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Customer string `json:"customer_name"`
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User string `json:"user_name"`
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Pass string `json:"password"`
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}
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type session struct {
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Token string `json:"token"`
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Version string `json:"version"`
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}
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type publish struct {
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Publish bool `json:"publish"`
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Notes string `json:"notes"`
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}
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// Starts a new Dyn API Session. Authenticates using customerName, userName,
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// password and receives a token to be used in for subsequent requests.
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func (d *DNSProvider) login() error {
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payload := &credentials{Customer: d.config.CustomerName, User: d.config.UserName, Pass: d.config.Password}
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dynRes, err := d.sendRequest(http.MethodPost, "Session", payload)
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if err != nil {
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return err
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}
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var s session
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err = json.Unmarshal(dynRes.Data, &s)
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if err != nil {
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return err
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}
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d.token = s.Token
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return nil
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}
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// Destroys Dyn Session
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func (d *DNSProvider) logout() error {
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if len(d.token) == 0 {
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// nothing to do
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return nil
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}
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url := fmt.Sprintf("%s/Session", defaultBaseURL)
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req, err := http.NewRequest(http.MethodDelete, url, nil)
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Auth-Token", d.token)
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resp, err := d.config.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return fmt.Errorf("API request failed to delete session with HTTP status code %d", resp.StatusCode)
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}
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d.token = ""
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return nil
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}
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func (d *DNSProvider) publish(zone, notes string) error {
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pub := &publish{Publish: true, Notes: notes}
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resource := fmt.Sprintf("Zone/%s/", zone)
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_, err := d.sendRequest(http.MethodPut, resource, pub)
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return err
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}
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func (d *DNSProvider) sendRequest(method, resource string, payload interface{}) (*dynResponse, error) {
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url := fmt.Sprintf("%s/%s", defaultBaseURL, 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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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("Content-Type", "application/json")
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if len(d.token) > 0 {
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req.Header.Set("Auth-Token", d.token)
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}
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resp, err := d.config.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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defer resp.Body.Close()
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if resp.StatusCode >= 500 {
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return nil, fmt.Errorf("API request failed with HTTP status code %d", resp.StatusCode)
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}
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var dynRes dynResponse
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err = json.NewDecoder(resp.Body).Decode(&dynRes)
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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 >= 400 {
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return nil, fmt.Errorf("API request failed with HTTP status code %d: %s", resp.StatusCode, dynRes.Messages)
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} else if resp.StatusCode == 307 {
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// TODO add support for HTTP 307 response and long running jobs
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return nil, fmt.Errorf("API request returned HTTP 307. This is currently unsupported")
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}
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if dynRes.Status == "failure" {
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// TODO add better error handling
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return nil, fmt.Errorf("API request failed: %s", dynRes.Messages)
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}
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return &dynRes, nil
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}
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