mirror of
https://github.com/go-acme/lego.git
synced 2024-12-23 17:21:50 +02:00
246 lines
5.2 KiB
Go
246 lines
5.2 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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"fmt"
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"io"
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"net/http"
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"net/url"
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"strconv"
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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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// DefaultBaseURL the default API endpoint.
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const defaultBaseURL = "https://manager.shellrent.com/api2"
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const authorizationHeader = "Authorization"
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// Client the Shellrent API client.
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type Client struct {
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username string
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token string
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baseURL *url.URL
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HTTPClient *http.Client
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}
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// NewClient Creates a new Client.
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func NewClient(username string, token string) *Client {
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baseURL, _ := url.Parse(defaultBaseURL)
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return &Client{
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token: token,
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username: username,
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baseURL: baseURL,
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HTTPClient: &http.Client{Timeout: 10 * time.Second},
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}
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}
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// ListServices lists service IDs.
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// https://api.shellrent.com/elenco-dei-servizi-acquistati
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func (c Client) ListServices(ctx context.Context) ([]int, error) {
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endpoint := c.baseURL.JoinPath("purchase")
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req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return nil, err
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}
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result := Response[[]IntOrString]{}
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err = c.do(req, &result)
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if err != nil {
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return nil, err
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}
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if result.Code != 0 {
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return nil, result.Base
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}
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var ids []int
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for _, datum := range result.Data {
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ids = append(ids, datum.Value())
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}
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return ids, nil
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}
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// GetServiceDetails gets service details.
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// https://api.shellrent.com/dettagli-servizio-acquistato
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func (c Client) GetServiceDetails(ctx context.Context, serviceID int) (*ServiceDetails, error) {
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endpoint := c.baseURL.JoinPath("purchase", "details", strconv.Itoa(serviceID))
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req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return nil, err
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}
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result := Response[*ServiceDetails]{}
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err = c.do(req, &result)
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if err != nil {
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return nil, err
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}
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if result.Code != 0 {
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return nil, result.Base
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}
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return result.Data, nil
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}
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// GetDomainDetails gets domain details.
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// https://api.shellrent.com/dettagli-dominio
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func (c Client) GetDomainDetails(ctx context.Context, domainID int) (*DomainDetails, error) {
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endpoint := c.baseURL.JoinPath("domain", "details", strconv.Itoa(domainID))
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req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return nil, err
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}
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result := Response[*DomainDetails]{}
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err = c.do(req, &result)
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if err != nil {
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return nil, err
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}
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if result.Code != 0 {
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return nil, result.Base
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}
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return result.Data, nil
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}
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// CreateRecord created a record.
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// https://api.shellrent.com/creazione-record-dns-di-un-dominio
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func (c Client) CreateRecord(ctx context.Context, domainID int, record Record) (int, error) {
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endpoint := c.baseURL.JoinPath("dns_record", "store", strconv.Itoa(domainID))
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req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
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if err != nil {
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return 0, err
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}
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result := Response[*Record]{}
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err = c.do(req, &result)
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if err != nil {
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return 0, err
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}
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if result.Code != 0 {
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return 0, result.Base
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}
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return result.Data.ID.Value(), nil
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}
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// DeleteRecord deletes a record.
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// https://api.shellrent.com/eliminazione-record-dns-di-un-dominio
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func (c Client) DeleteRecord(ctx context.Context, domainID int, recordID int) error {
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endpoint := c.baseURL.JoinPath("dns_record", "remove", strconv.Itoa(domainID), strconv.Itoa(recordID))
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req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
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if err != nil {
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return err
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}
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result := Response[any]{}
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err = c.do(req, &result)
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if err != nil {
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return err
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}
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if result.Code != 0 {
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return result.Base
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}
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return nil
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}
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func (c Client) do(req *http.Request, result any) error {
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req.Header.Set(authorizationHeader, c.username+"."+c.token)
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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/100 != 2 {
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return parseError(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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func parseError(req *http.Request, resp *http.Response) error {
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raw, _ := io.ReadAll(resp.Body)
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var response Base
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err := json.Unmarshal(raw, &response)
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if err != nil {
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return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
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}
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return response
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}
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// TTLRounder rounds the given TTL in seconds to the next accepted value.
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// Accepted TTL values are:
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// - 3600
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// - 14400
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// - 28800
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// - 57600
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// - 86400
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func TTLRounder(ttl int) int {
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for _, validTTL := range []int{3600, 14400, 28800, 57600, 86400} {
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if ttl <= validTTL {
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return validTTL
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}
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}
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return 3600
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}
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