forked from TrueCloudLab/lego
100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package internal
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"net/http"
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"time"
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)
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const baseURL = "https://public-api.sonic.net/dyndns"
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type APIResponse struct {
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Message string `json:"message"`
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Result int `json:"result"`
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}
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// Record holds the Sonic API representation of a Domain Record.
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type Record struct {
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UserID string `json:"userid"`
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APIKey string `json:"apikey"`
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Hostname string `json:"hostname"`
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Value string `json:"value"`
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TTL int `json:"ttl"`
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Type string `json:"type"`
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}
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// Client Sonic client.
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type Client struct {
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userID string
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apiKey string
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baseURL string
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HTTPClient *http.Client
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}
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// NewClient creates a Client.
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func NewClient(userID, apiKey string) (*Client, error) {
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if userID == "" || apiKey == "" {
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return nil, errors.New("credentials are missing")
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}
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return &Client{
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userID: userID,
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apiKey: apiKey,
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baseURL: baseURL,
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HTTPClient: &http.Client{Timeout: 10 * time.Second},
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}, nil
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}
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// SetRecord creates or updates a TXT records.
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// Sonic does not provide a delete record API endpoint.
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// https://public-api.sonic.net/dyndns#updating_or_adding_host_records
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func (c *Client) SetRecord(hostname string, value string, ttl int) error {
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payload := &Record{
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UserID: c.userID,
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APIKey: c.apiKey,
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Hostname: hostname,
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Value: value,
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TTL: ttl,
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Type: "TXT",
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}
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body, err := json.Marshal(payload)
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if err != nil {
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return err
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}
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req, err := http.NewRequest(http.MethodPut, c.baseURL+"/host", bytes.NewReader(body))
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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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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return err
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}
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defer func() { _ = resp.Body.Close() }()
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raw, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return fmt.Errorf("failed to read response body: %w", err)
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}
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r := APIResponse{}
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err = json.Unmarshal(raw, &r)
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if err != nil {
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return fmt.Errorf("failed to unmarshal response: %w: %s", err, string(raw))
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}
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if r.Result != 200 {
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return fmt.Errorf("API response code: %d, %s", r.Result, r.Message)
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}
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return nil
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}
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