client.go raw

   1  package internal
   2  
   3  import (
   4  	"bytes"
   5  	"context"
   6  	"encoding/json"
   7  	"errors"
   8  	"fmt"
   9  	"io"
  10  	"net/http"
  11  	"net/url"
  12  	"strconv"
  13  	"time"
  14  
  15  	"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
  16  )
  17  
  18  const defaultBaseURL = "https://api360.yandex.net/"
  19  
  20  type Client struct {
  21  	oauthToken string
  22  	orgID      int64
  23  
  24  	baseURL    *url.URL
  25  	HTTPClient *http.Client
  26  }
  27  
  28  func NewClient(oauthToken string, orgID int64) (*Client, error) {
  29  	if oauthToken == "" {
  30  		return nil, errors.New("OAuth token is required")
  31  	}
  32  
  33  	if orgID == 0 {
  34  		return nil, errors.New("orgID is required")
  35  	}
  36  
  37  	baseURL, _ := url.Parse(defaultBaseURL)
  38  
  39  	return &Client{
  40  		oauthToken: oauthToken,
  41  		orgID:      orgID,
  42  		baseURL:    baseURL,
  43  		HTTPClient: &http.Client{Timeout: 10 * time.Second},
  44  	}, nil
  45  }
  46  
  47  // AddRecord Adds a DNS record.
  48  // POST https://api30.yandex.net/directory/v1/org/{orgId}/domains/{domain}/dns
  49  // https://yandex.ru/dev/api360/doc/ref/DomainDNSService/DomainDNSService_Create.html
  50  func (c *Client) AddRecord(ctx context.Context, domain string, record Record) (*Record, error) {
  51  	endpoint := c.baseURL.JoinPath("directory", "v1", "org", strconv.FormatInt(c.orgID, 10), "domains", domain, "dns")
  52  
  53  	req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
  54  	if err != nil {
  55  		return nil, err
  56  	}
  57  
  58  	var newRecord Record
  59  
  60  	err = c.do(req, &newRecord)
  61  	if err != nil {
  62  		return nil, err
  63  	}
  64  
  65  	return &newRecord, nil
  66  }
  67  
  68  // DeleteRecord Deletes a DNS record.
  69  // DELETE https://api360.yandex.net/directory/v1/org/{orgId}/domains/{domain}/dns/{recordId}
  70  // https://yandex.ru/dev/api360/doc/ref/DomainDNSService/DomainDNSService_Delete.html
  71  func (c *Client) DeleteRecord(ctx context.Context, domain string, recordID int64) error {
  72  	endpoint := c.baseURL.JoinPath("directory", "v1", "org", strconv.FormatInt(c.orgID, 10), "domains", domain, "dns", strconv.FormatInt(recordID, 10))
  73  
  74  	req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
  75  	if err != nil {
  76  		return err
  77  	}
  78  
  79  	return c.do(req, nil)
  80  }
  81  
  82  func (c *Client) do(req *http.Request, result any) error {
  83  	req.Header.Set("Authorization", "OAuth "+c.oauthToken)
  84  
  85  	resp, err := c.HTTPClient.Do(req)
  86  	if err != nil {
  87  		return errutils.NewHTTPDoError(req, err)
  88  	}
  89  
  90  	defer func() { _ = resp.Body.Close() }()
  91  
  92  	if resp.StatusCode/100 != 2 {
  93  		return parseError(req, resp)
  94  	}
  95  
  96  	if result == nil {
  97  		return nil
  98  	}
  99  
 100  	raw, err := io.ReadAll(resp.Body)
 101  	if err != nil {
 102  		return errutils.NewReadResponseError(req, resp.StatusCode, err)
 103  	}
 104  
 105  	err = json.Unmarshal(raw, result)
 106  	if err != nil {
 107  		return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
 108  	}
 109  
 110  	return nil
 111  }
 112  
 113  func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
 114  	buf := new(bytes.Buffer)
 115  
 116  	if payload != nil {
 117  		err := json.NewEncoder(buf).Encode(payload)
 118  		if err != nil {
 119  			return nil, fmt.Errorf("failed to create request JSON body: %w", err)
 120  		}
 121  	}
 122  
 123  	req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
 124  	if err != nil {
 125  		return nil, fmt.Errorf("unable to create request: %w", err)
 126  	}
 127  
 128  	req.Header.Set("Accept", "application/json")
 129  
 130  	if payload != nil {
 131  		req.Header.Set("Content-Type", "application/json")
 132  	}
 133  
 134  	return req, nil
 135  }
 136  
 137  func parseError(req *http.Request, resp *http.Response) error {
 138  	raw, _ := io.ReadAll(resp.Body)
 139  
 140  	var apiErr APIError
 141  
 142  	err := json.Unmarshal(raw, &apiErr)
 143  	if err != nil {
 144  		return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
 145  	}
 146  
 147  	return fmt.Errorf("[status code: %d] %w", resp.StatusCode, apiErr)
 148  }
 149