mirror of
https://github.com/go-acme/lego.git
synced 2024-12-23 09:15:11 +02:00
188 lines
4.3 KiB
Go
188 lines
4.3 KiB
Go
package internal
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"sync"
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"time"
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"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
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)
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// Default API endpoints.
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const (
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APIBaseURL = "https://api.mythic-beasts.com/dns/v2"
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AuthBaseURL = "https://auth.mythic-beasts.com/login"
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)
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// Client the Mythic Beasts API client.
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type Client struct {
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username string
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password string
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APIEndpoint *url.URL
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AuthEndpoint *url.URL
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HTTPClient *http.Client
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token *Token
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muToken sync.Mutex
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}
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// NewClient Creates a new Client.
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func NewClient(username string, password string) *Client {
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apiEndpoint, _ := url.Parse(APIBaseURL)
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authEndpoint, _ := url.Parse(AuthBaseURL)
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return &Client{
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username: username,
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password: password,
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APIEndpoint: apiEndpoint,
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AuthEndpoint: authEndpoint,
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HTTPClient: &http.Client{Timeout: 5 * time.Second},
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}
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}
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// CreateTXTRecord creates a TXT record.
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// https://www.mythic-beasts.com/support/api/dnsv2#ep-get-zoneszonerecords
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func (c *Client) CreateTXTRecord(ctx context.Context, zone, leaf, value string, ttl int) error {
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resp, err := c.createTXTRecord(ctx, zone, leaf, "TXT", value, ttl)
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if err != nil {
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return err
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}
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if resp.Added != 1 {
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return fmt.Errorf("did not add TXT record for some reason: %s", resp.Message)
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}
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// Success
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return nil
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}
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// RemoveTXTRecord removes a TXT records.
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// https://www.mythic-beasts.com/support/api/dnsv2#ep-delete-zoneszonerecords
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func (c *Client) RemoveTXTRecord(ctx context.Context, zone, leaf, value string) error {
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resp, err := c.removeTXTRecord(ctx, zone, leaf, "TXT", value)
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if err != nil {
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return err
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}
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if resp.Removed != 1 {
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return fmt.Errorf("did not remove TXT record for some reason: %s", resp.Message)
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}
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// Success
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return nil
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}
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// https://www.mythic-beasts.com/support/api/dnsv2#ep-post-zoneszonerecords
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func (c *Client) createTXTRecord(ctx context.Context, zone, leaf, recordType, value string, ttl int) (*createTXTResponse, error) {
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endpoint := c.APIEndpoint.JoinPath("zones", zone, "records", leaf, recordType)
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createReq := createTXTRequest{
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Records: []createTXTRecord{{
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Host: leaf,
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TTL: ttl,
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Type: "TXT",
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Data: value,
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}},
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}
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req, err := newJSONRequest(ctx, http.MethodPost, endpoint, createReq)
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if err != nil {
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return nil, err
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}
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resp := &createTXTResponse{}
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err = c.do(req, resp)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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// https://www.mythic-beasts.com/support/api/dnsv2#ep-delete-zoneszonerecords
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func (c *Client) removeTXTRecord(ctx context.Context, zone, leaf, recordType, value string) (*deleteTXTResponse, error) {
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endpoint := c.APIEndpoint.JoinPath("zones", zone, "records", leaf, recordType)
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query := endpoint.Query()
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query.Add("data", value)
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endpoint.RawQuery = query.Encode()
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req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
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if err != nil {
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return nil, err
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}
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resp := &deleteTXTResponse{}
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err = c.do(req, resp)
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if err != nil {
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return nil, err
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}
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return resp, nil
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}
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func (c *Client) do(req *http.Request, result any) error {
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tok := getToken(req.Context())
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if tok != nil {
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req.Header.Set("Authorization", "Bearer "+tok.Token)
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} else {
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return errors.New("not logged in")
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}
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return errutils.NewHTTPDoError(req, err)
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}
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defer func() { _ = resp.Body.Close() }()
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if resp.StatusCode != http.StatusOK {
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return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
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}
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raw, err := io.ReadAll(resp.Body)
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if err != nil {
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return errutils.NewReadResponseError(req, resp.StatusCode, err)
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}
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err = json.Unmarshal(raw, result)
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if err != nil {
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return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
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}
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return nil
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}
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func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
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buf := new(bytes.Buffer)
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if payload != nil {
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err := json.NewEncoder(buf).Encode(payload)
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if err != nil {
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return nil, fmt.Errorf("failed to create request JSON body: %w", err)
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}
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}
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req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
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if err != nil {
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return nil, fmt.Errorf("unable to create request: %w", err)
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}
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req.Header.Set("Accept", "application/json")
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if payload != nil {
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req.Header.Set("Content-Type", "application/json")
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}
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return req, nil
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}
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