lego/providers/dns/hosttech/internal/client.go

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package internal
import (
"bytes"
"encoding/json"
"fmt"
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"io"
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"net/http"
"net/url"
"path"
"strconv"
"time"
)
const defaultBaseURL = "https://api.ns1.hosttech.eu/api"
// Client a Hosttech client.
type Client struct {
HTTPClient *http.Client
baseURL *url.URL
apiKey string
}
// NewClient creates a new Client.
func NewClient(apiKey string) *Client {
baseURL, _ := url.Parse(defaultBaseURL)
return &Client{
HTTPClient: &http.Client{Timeout: 10 * time.Second},
baseURL: baseURL,
apiKey: apiKey,
}
}
// GetZones Get a list of all zones.
// https://api.ns1.hosttech.eu/api/documentation/#/Zones/get_api_user_v1_zones
func (c Client) GetZones(query string, limit, offset int) ([]Zone, error) {
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "user", "v1", "zones"))
if err != nil {
return nil, fmt.Errorf("parse URL: %w", err)
}
values := endpoint.Query()
values.Set("query", query)
if limit > 0 {
values.Set("limit", strconv.Itoa(limit))
}
if offset > 0 {
values.Set("offset", strconv.Itoa(offset))
}
endpoint.RawQuery = values.Encode()
req, err := http.NewRequest(http.MethodGet, endpoint.String(), nil)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
raw, err := c.do(req)
if err != nil {
return nil, err
}
var r []Zone
err = json.Unmarshal(raw, &r)
if err != nil {
return nil, fmt.Errorf("unmarshal response data: %s: %w", string(raw), err)
}
return r, nil
}
// GetZone Get a single zone.
// https://api.ns1.hosttech.eu/api/documentation/#/Zones/get_api_user_v1_zones__zoneId_
func (c Client) GetZone(zoneID string) (*Zone, error) {
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "user", "v1", "zones", zoneID))
if err != nil {
return nil, fmt.Errorf("parse URL: %w", err)
}
req, err := http.NewRequest(http.MethodGet, endpoint.String(), nil)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
raw, err := c.do(req)
if err != nil {
return nil, err
}
var r Zone
err = json.Unmarshal(raw, &r)
if err != nil {
return nil, fmt.Errorf("unmarshal response data: %s: %w", string(raw), err)
}
return &r, nil
}
// GetRecords Returns a list of all records for the given zone.
// https://api.ns1.hosttech.eu/api/documentation/#/Records/get_api_user_v1_zones__zoneId__records
func (c Client) GetRecords(zoneID, recordType string) ([]Record, error) {
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "user", "v1", "zones", zoneID, "records"))
if err != nil {
return nil, fmt.Errorf("parse URL: %w", err)
}
values := endpoint.Query()
if recordType != "" {
values.Set("type", recordType)
}
endpoint.RawQuery = values.Encode()
req, err := http.NewRequest(http.MethodGet, endpoint.String(), nil)
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
raw, err := c.do(req)
if err != nil {
return nil, err
}
var r []Record
err = json.Unmarshal(raw, &r)
if err != nil {
return nil, fmt.Errorf("unmarshal response data: %s: %w", string(raw), err)
}
return r, nil
}
// AddRecord Adds a new record to the zone and returns the newly created record.
// https://api.ns1.hosttech.eu/api/documentation/#/Records/post_api_user_v1_zones__zoneId__records
func (c Client) AddRecord(zoneID string, record Record) (*Record, error) {
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "user", "v1", "zones", zoneID, "records"))
if err != nil {
return nil, fmt.Errorf("parse URL: %w", err)
}
body, err := json.Marshal(record)
if err != nil {
return nil, fmt.Errorf("marshal request data: %w", err)
}
req, err := http.NewRequest(http.MethodPost, endpoint.String(), bytes.NewReader(body))
if err != nil {
return nil, fmt.Errorf("create request: %w", err)
}
raw, err := c.do(req)
if err != nil {
return nil, err
}
var r Record
err = json.Unmarshal(raw, &r)
if err != nil {
return nil, fmt.Errorf("unmarshal response data: %s: %w", string(raw), err)
}
return &r, nil
}
// DeleteRecord Deletes a single record for the given id.
// https://api.ns1.hosttech.eu/api/documentation/#/Records/delete_api_user_v1_zones__zoneId__records__recordId_
func (c Client) DeleteRecord(zoneID, recordID string) error {
endpoint, err := c.baseURL.Parse(path.Join(c.baseURL.Path, "user", "v1", "zones", zoneID, "records", recordID))
if err != nil {
return fmt.Errorf("parse URL: %w", err)
}
req, err := http.NewRequest(http.MethodDelete, endpoint.String(), nil)
if err != nil {
return fmt.Errorf("create request: %w", err)
}
_, err = c.do(req)
return err
}
func (c Client) do(req *http.Request) (json.RawMessage, error) {
req.Header.Set("Content-Type", "application/json")
req.Header.Set("Accept", "application/json")
req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.apiKey))
resp, errD := c.HTTPClient.Do(req)
if errD != nil {
return nil, fmt.Errorf("send request: %w", errD)
}
defer func() { _ = resp.Body.Close() }()
switch resp.StatusCode {
case http.StatusOK, http.StatusCreated:
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all, err := io.ReadAll(resp.Body)
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if err != nil {
return nil, fmt.Errorf("read response: %w", err)
}
var r apiResponse
err = json.Unmarshal(all, &r)
if err != nil {
return nil, fmt.Errorf("unmarshal response: %w", err)
}
return r.Data, nil
case http.StatusNoContent:
return nil, nil
default:
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data, _ := io.ReadAll(resp.Body)
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e := APIError{StatusCode: resp.StatusCode}
err := json.Unmarshal(data, &e)
if err != nil {
e.Message = string(data)
}
return nil, e
}
}