forked from TrueCloudLab/lego
137 lines
2.7 KiB
Go
137 lines
2.7 KiB
Go
package internal
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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)
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const apiEndpoint = "https://njal.la/api/1/"
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// Client is a Njalla API client.
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type Client struct {
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HTTPClient *http.Client
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apiEndpoint string
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token string
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}
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// NewClient creates a new Client.
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func NewClient(token string) *Client {
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return &Client{
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HTTPClient: &http.Client{Timeout: 5 * time.Second},
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apiEndpoint: apiEndpoint,
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token: token,
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}
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}
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// AddRecord adds a record.
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func (c *Client) AddRecord(record Record) (*Record, error) {
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data := APIRequest{
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Method: "add-record",
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Params: record,
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}
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result, err := c.do(data)
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if err != nil {
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return nil, err
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}
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var rcd Record
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err = json.Unmarshal(result, &rcd)
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if err != nil {
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return nil, fmt.Errorf("failed to unmarshal response result: %w", err)
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}
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return &rcd, nil
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}
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// RemoveRecord removes a record.
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func (c *Client) RemoveRecord(id int, domain string) error {
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data := APIRequest{
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Method: "remove-record",
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Params: Record{
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ID: id,
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Domain: domain,
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},
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}
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_, err := c.do(data)
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if err != nil {
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return err
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}
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return nil
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}
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// ListRecords list the records for one domain.
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func (c *Client) ListRecords(domain string) ([]Record, error) {
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data := APIRequest{
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Method: "list-records",
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Params: Record{
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Domain: domain,
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},
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}
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result, err := c.do(data)
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if err != nil {
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return nil, err
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}
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var rcds Records
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err = json.Unmarshal(result, &rcds)
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if err != nil {
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return nil, fmt.Errorf("failed to unmarshal response result: %w", err)
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}
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return rcds.Records, nil
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}
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func (c *Client) do(data APIRequest) (json.RawMessage, error) {
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req, err := c.createRequest(data)
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if err != nil {
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return nil, err
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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 nil, fmt.Errorf("failed to perform request: %w", 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 nil, fmt.Errorf("unexpected error: %d", resp.StatusCode)
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}
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apiResponse := APIResponse{}
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err = json.NewDecoder(resp.Body).Decode(&apiResponse)
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if err != nil {
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return nil, fmt.Errorf("failed to unmarshal response: %w", err)
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}
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if apiResponse.Error != nil {
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return nil, apiResponse.Error
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}
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return apiResponse.Result, nil
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}
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func (c *Client) createRequest(data APIRequest) (*http.Request, error) {
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reqBody, err := json.Marshal(data)
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if err != nil {
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return nil, fmt.Errorf("failed to marshall request body: %w", err)
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}
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req, err := http.NewRequest(http.MethodPost, c.apiEndpoint, bytes.NewReader(reqBody))
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if err != nil {
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return nil, fmt.Errorf("failed to create request: %w", err)
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}
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req.Header.Set("Accept", "application/json")
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req.Header.Set("Content-Type", "application/json")
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req.Header.Set("Authorization", "Njalla "+c.token)
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return req, nil
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}
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