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lego/providers/dns/yandex/internal/client.go
2020-07-10 01:48:18 +02:00

136 lines
2.7 KiB
Go

package internal
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"strings"
"github.com/google/go-querystring/query"
)
const defaultBaseURL = "https://pddimp.yandex.ru/api2/admin/dns"
const successCode = "ok"
const pddTokenHeader = "PddToken"
type Client struct {
HTTPClient *http.Client
BaseURL string
pddToken string
}
func NewClient(pddToken string) (*Client, error) {
if pddToken == "" {
return nil, errors.New("PDD token is required")
}
return &Client{
HTTPClient: &http.Client{},
BaseURL: defaultBaseURL,
pddToken: pddToken,
}, nil
}
func (c *Client) AddRecord(data Record) (*Record, error) {
resp, err := c.postForm("/add", data)
if err != nil {
return nil, err
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("API response error: %d", resp.StatusCode)
}
r := AddResponse{}
err = json.NewDecoder(resp.Body).Decode(&r)
if err != nil {
return nil, err
}
if r.Success != successCode {
return nil, fmt.Errorf("error during record addition: %s", r.Error)
}
return r.Record, nil
}
func (c *Client) RemoveRecord(data Record) (int, error) {
resp, err := c.postForm("/del", data)
if err != nil {
return 0, err
}
defer func() { _ = resp.Body.Close() }()
r := RemoveResponse{}
err = json.NewDecoder(resp.Body).Decode(&r)
if err != nil {
return 0, err
}
if r.Success != successCode {
return 0, fmt.Errorf("error during record addition: %s", r.Error)
}
return r.RecordID, nil
}
func (c *Client) GetRecords(domain string) ([]Record, error) {
resp, err := c.get("/list", struct {
Domain string `url:"domain"`
}{Domain: domain})
if err != nil {
return nil, err
}
defer func() { _ = resp.Body.Close() }()
r := ListResponse{}
err = json.NewDecoder(resp.Body).Decode(&r)
if err != nil {
return nil, err
}
if r.Success != successCode {
return nil, fmt.Errorf("error during record addition: %s", r.Error)
}
return r.Records, nil
}
func (c *Client) postForm(uri string, data interface{}) (*http.Response, error) {
values, err := query.Values(data)
if err != nil {
return nil, err
}
req, err := http.NewRequest(http.MethodPost, c.BaseURL+uri, strings.NewReader(values.Encode()))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
req.Header.Set(pddTokenHeader, c.pddToken)
return c.HTTPClient.Do(req)
}
func (c *Client) get(uri string, data interface{}) (*http.Response, error) {
req, err := http.NewRequest(http.MethodGet, c.BaseURL+uri, nil)
if err != nil {
return nil, err
}
req.Header.Set(pddTokenHeader, c.pddToken)
values, err := query.Values(data)
if err != nil {
return nil, err
}
req.URL.RawQuery = values.Encode()
return c.HTTPClient.Do(req)
}