142 lines
3.1 KiB
Go
142 lines
3.1 KiB
Go
package internal
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import (
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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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"strings"
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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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const defaultBaseURL = "https://ipv64.net"
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const authorizationHeader = "Authorization"
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type Client struct {
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apiKey string
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baseURL *url.URL
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HTTPClient *http.Client
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}
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func NewClient(apiKey string) *Client {
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baseURL, _ := url.Parse(defaultBaseURL)
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return &Client{
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apiKey: apiKey,
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baseURL: baseURL,
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HTTPClient: &http.Client{Timeout: 15 * time.Second},
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}
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}
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func (c Client) GetDomains(ctx context.Context) (*Domains, error) {
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endpoint := c.baseURL.JoinPath("api")
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query := endpoint.Query()
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query.Set("get_domains", "")
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endpoint.RawQuery = query.Encode()
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), http.NoBody)
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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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results := &Domains{}
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err = c.do(req, results)
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if err != nil {
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return nil, err
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}
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return results, nil
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}
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func (c Client) AddRecord(ctx context.Context, domain, prefix, recordType, content string) error {
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endpoint := c.baseURL.JoinPath("api")
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data := make(url.Values)
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data.Set("add_record", domain)
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data.Set("praefix", prefix)
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data.Set("type", recordType)
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data.Set("content", content)
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint.String(), strings.NewReader(data.Encode()))
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if err != nil {
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return fmt.Errorf("unable to create request: %w", err)
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}
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return c.do(req, nil)
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}
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func (c Client) DeleteRecord(ctx context.Context, domain, prefix, recordType, content string) error {
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endpoint := c.baseURL.JoinPath("api")
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data := make(url.Values)
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data.Set("del_record", domain)
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data.Set("praefix", prefix)
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data.Set("type", recordType)
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data.Set("content", content)
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req, err := http.NewRequestWithContext(ctx, http.MethodDelete, endpoint.String(), strings.NewReader(data.Encode()))
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if err != nil {
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return fmt.Errorf("unable to create request: %w", err)
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}
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return c.do(req, 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, fmt.Sprintf("Bearer %s", c.apiKey))
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if req.Method != http.MethodGet {
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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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/100 != 2 {
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return parseError(req, resp)
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}
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if result == nil {
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return nil
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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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if string(raw) == "null" {
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return fmt.Errorf("unexpected response: %s", string(raw))
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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 parseError(req *http.Request, resp *http.Response) error {
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raw, _ := io.ReadAll(resp.Body)
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errAPI := &APIError{}
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err := json.Unmarshal(raw, errAPI)
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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 errAPI
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}
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