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lego/providers/dns/corenetworks/internal/client.go
2024-10-25 22:52:39 +02:00

215 lines
4.7 KiB
Go

package internal
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
)
const defaultBaseURL = "https://beta.api.core-networks.de"
// Client a Core-Networks client.
type Client struct {
login string
password string
baseURL *url.URL
HTTPClient *http.Client
}
// NewClient creates a new Client.
func NewClient(login, password string) *Client {
baseURL, _ := url.Parse(defaultBaseURL)
return &Client{
login: login,
password: password,
baseURL: baseURL,
HTTPClient: &http.Client{Timeout: 5 * time.Second},
}
}
// ListZone gets a list of all DNS zones.
// https://beta.api.core-networks.de/doc/#functon_dnszones
func (c Client) ListZone(ctx context.Context) ([]Zone, error) {
endpoint := c.baseURL.JoinPath("dnszones")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
var zones []Zone
err = c.do(req, &zones)
if err != nil {
return nil, err
}
return zones, nil
}
// GetZoneDetails provides detailed information about a DNS zone.
// https://beta.api.core-networks.de/doc/#functon_dnszones_details
func (c Client) GetZoneDetails(ctx context.Context, zone string) (*ZoneDetails, error) {
endpoint := c.baseURL.JoinPath("dnszones", zone)
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
var details ZoneDetails
err = c.do(req, &details)
if err != nil {
return nil, err
}
return &details, nil
}
// ListRecords gets a list of DNS records belonging to the zone.
// https://beta.api.core-networks.de/doc/#functon_dnszones_records
func (c Client) ListRecords(ctx context.Context, zone string) ([]Record, error) {
endpoint := c.baseURL.JoinPath("dnszones", zone, "records")
req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
if err != nil {
return nil, err
}
var records []Record
err = c.do(req, &records)
if err != nil {
return nil, err
}
return records, nil
}
// AddRecord adds a record.
// https://beta.api.core-networks.de/doc/#functon_dnszones_records_add
func (c Client) AddRecord(ctx context.Context, zone string, record Record) error {
endpoint := c.baseURL.JoinPath("dnszones", zone, "records", "/")
if record.Name == "" {
record.Name = "@"
}
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
if err != nil {
return err
}
err = c.do(req, nil)
if err != nil {
return err
}
return nil
}
// DeleteRecords deletes all DNS records of a zone that match the DNS record passed.
// https://beta.api.core-networks.de/doc/#functon_dnszones_records_delete
func (c Client) DeleteRecords(ctx context.Context, zone string, record Record) error {
endpoint := c.baseURL.JoinPath("dnszones", zone, "records", "delete")
if record.Name == "" {
record.Name = "@"
}
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
if err != nil {
return err
}
err = c.do(req, nil)
if err != nil {
return err
}
return nil
}
// CommitRecords sends a commit to the zone.
// https://beta.api.core-networks.de/doc/#functon_dnszones_commit
func (c Client) CommitRecords(ctx context.Context, zone string) error {
endpoint := c.baseURL.JoinPath("dnszones", zone, "records", "commit")
req, err := newJSONRequest(ctx, http.MethodPost, endpoint, nil)
if err != nil {
return err
}
err = c.do(req, nil)
if err != nil {
return err
}
return nil
}
func (c Client) do(req *http.Request, result any) error {
at := getToken(req.Context())
if at != "" {
req.Header.Set(authorizationHeader, "Bearer "+at)
}
resp, errD := c.HTTPClient.Do(req)
if errD != nil {
return errutils.NewHTTPDoError(req, errD)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode/100 != 2 {
return errutils.NewUnexpectedResponseStatusCodeError(req, resp)
}
if result == nil {
return nil
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return errutils.NewReadResponseError(req, resp.StatusCode, err)
}
err = json.Unmarshal(raw, result)
if err != nil {
return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return nil
}
func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
buf := new(bytes.Buffer)
if payload != nil {
err := json.NewEncoder(buf).Encode(payload)
if err != nil {
return nil, fmt.Errorf("failed to create request JSON body: %w", err)
}
}
req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
if err != nil {
return nil, fmt.Errorf("unable to create request: %w", err)
}
req.Header.Set("Accept", "application/json")
if payload != nil {
req.Header.Set("Content-Type", "application/json")
}
return req, nil
}