lego/providers/dns/ipv64/internal/client.go
2023-08-19 16:05:33 +00:00

153 lines
3.3 KiB
Go

package internal
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"strings"
"time"
"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
"golang.org/x/oauth2"
)
const defaultBaseURL = "https://ipv64.net"
type Client struct {
baseURL *url.URL
HTTPClient *http.Client
}
func NewClient(hc *http.Client) *Client {
baseURL, _ := url.Parse(defaultBaseURL)
if hc == nil {
hc = &http.Client{Timeout: 15 * time.Second}
}
return &Client{
baseURL: baseURL,
HTTPClient: hc,
}
}
func (c Client) GetDomains(ctx context.Context) (*Domains, error) {
endpoint := c.baseURL.JoinPath("api")
query := endpoint.Query()
query.Set("get_domains", "")
endpoint.RawQuery = query.Encode()
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.String(), http.NoBody)
if err != nil {
return nil, fmt.Errorf("unable to create request: %w", err)
}
results := &Domains{}
err = c.do(req, results)
if err != nil {
return nil, err
}
return results, nil
}
func (c Client) AddRecord(ctx context.Context, domain, prefix, recordType, content string) error {
endpoint := c.baseURL.JoinPath("api")
data := make(url.Values)
data.Set("add_record", domain)
data.Set("praefix", prefix)
data.Set("type", recordType)
data.Set("content", content)
req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint.String(), strings.NewReader(data.Encode()))
if err != nil {
return fmt.Errorf("unable to create request: %w", err)
}
return c.do(req, nil)
}
func (c Client) DeleteRecord(ctx context.Context, domain, prefix, recordType, content string) error {
endpoint := c.baseURL.JoinPath("api")
data := make(url.Values)
data.Set("del_record", domain)
data.Set("praefix", prefix)
data.Set("type", recordType)
data.Set("content", content)
req, err := http.NewRequestWithContext(ctx, http.MethodDelete, endpoint.String(), strings.NewReader(data.Encode()))
if err != nil {
return fmt.Errorf("unable to create request: %w", err)
}
return c.do(req, nil)
}
func (c Client) do(req *http.Request, result any) error {
if req.Method != http.MethodGet {
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return errutils.NewHTTPDoError(req, err)
}
defer func() { _ = resp.Body.Close() }()
if resp.StatusCode/100 != 2 {
return parseError(req, resp)
}
if result == nil {
return nil
}
raw, err := io.ReadAll(resp.Body)
if err != nil {
return errutils.NewReadResponseError(req, resp.StatusCode, err)
}
if string(raw) == "null" {
return fmt.Errorf("unexpected response: %s", string(raw))
}
err = json.Unmarshal(raw, result)
if err != nil {
return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
}
return nil
}
func parseError(req *http.Request, resp *http.Response) error {
raw, _ := io.ReadAll(resp.Body)
errAPI := &APIError{}
err := json.Unmarshal(raw, errAPI)
if err != nil {
return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
}
return errAPI
}
func OAuthStaticAccessToken(client *http.Client, accessToken string) *http.Client {
if client == nil {
client = &http.Client{Timeout: 15 * time.Second}
}
client.Transport = &oauth2.Transport{
Source: oauth2.StaticTokenSource(&oauth2.Token{AccessToken: accessToken}),
Base: client.Transport,
}
return client
}