lego/providers/dns/simply/internal/client.go
2021-06-03 01:50:45 +00:00

137 lines
3.3 KiB
Go

package internal
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"path"
"time"
)
const defaultBaseURL = "https://api.simply.com/1/"
// Client is a Simply.com API client.
type Client struct {
HTTPClient *http.Client
baseURL *url.URL
accountName string
apiKey string
}
// NewClient creates a new Client.
func NewClient(accountName string, apiKey string) (*Client, error) {
if accountName == "" {
return nil, errors.New("credentials missing: accountName")
}
if apiKey == "" {
return nil, errors.New("credentials missing: apiKey")
}
baseURL, err := url.Parse(defaultBaseURL)
if err != nil {
return nil, err
}
return &Client{
HTTPClient: &http.Client{Timeout: 5 * time.Second},
baseURL: baseURL,
accountName: accountName,
apiKey: apiKey,
}, nil
}
// GetRecords lists all the records in the zone.
func (c *Client) GetRecords(zoneName string) ([]Record, error) {
resp, err := c.do(zoneName, "/", http.MethodGet, nil)
if err != nil {
return nil, err
}
var records []Record
err = json.Unmarshal(resp.Records, &records)
if err != nil {
return nil, fmt.Errorf("failed to unmarshal response result: %w", err)
}
return records, nil
}
// AddRecord adds a record.
func (c *Client) AddRecord(zoneName string, record Record) (int64, error) {
reqBody, err := json.Marshal(record)
if err != nil {
return 0, fmt.Errorf("failed to marshall request body: %w", err)
}
resp, err := c.do(zoneName, "/", http.MethodPost, reqBody)
if err != nil {
return 0, err
}
var rcd recordHeader
err = json.Unmarshal(resp.Record, &rcd)
if err != nil {
return 0, fmt.Errorf("failed to unmarshal response result: %w", err)
}
return rcd.ID, nil
}
// EditRecord updates a record.
func (c *Client) EditRecord(zoneName string, id int64, record Record) error {
reqBody, err := json.Marshal(record)
if err != nil {
return fmt.Errorf("failed to marshall request body: %w", err)
}
_, err = c.do(zoneName, fmt.Sprintf("%d", id), http.MethodPut, reqBody)
return err
}
// DeleteRecord deletes a record.
func (c *Client) DeleteRecord(zoneName string, id int64) error {
_, err := c.do(zoneName, fmt.Sprintf("%d", id), http.MethodDelete, nil)
return err
}
func (c *Client) do(zoneName string, endpoint string, reqMethod string, reqBody []byte) (*apiResponse, error) {
reqURL, err := c.baseURL.Parse(path.Join(c.baseURL.Path, c.accountName, c.apiKey, "my", "products", zoneName, "dns", "records", endpoint))
if err != nil {
return nil, fmt.Errorf("failed to parse endpoint: %w", err)
}
req, err := http.NewRequest(reqMethod, reqURL.String(), bytes.NewReader(reqBody))
if err != nil {
return nil, fmt.Errorf("failed to create request: %w", err)
}
req.Header.Set("Accept", "application/json")
req.Header.Set("Content-Type", "application/json")
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, fmt.Errorf("failed to perform request: %w", err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode >= http.StatusInternalServerError {
return nil, fmt.Errorf("unexpected error: %d", resp.StatusCode)
}
response := apiResponse{}
err = json.NewDecoder(resp.Body).Decode(&response)
if err != nil {
return nil, fmt.Errorf("failed to unmarshal response: %w", err)
}
if response.Status != http.StatusOK {
return nil, fmt.Errorf("unexpected error: %s", response.Message)
}
return &response, nil
}