Add DNS provider for Syse.no (#2742)

Author: ldez

README.md

@@ -237,42 +237,42 @@ Detailed documentation is available [here](https://go-acme.github.io/lego/dns).
   <td><a href="https://go-acme.github.io/lego/dns/sonic/">Sonic</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/spaceship/">Spaceship</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/stackpath/">Stackpath</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/technitium/">Technitium</a></td>
+  <td><a href="https://go-acme.github.io/lego/dns/syse/">Syse</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/technitium/">Technitium</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/tencentcloud/">Tencent Cloud DNS</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/edgeone/">Tencent EdgeOne</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/timewebcloud/">Timeweb Cloud</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/transip/">TransIP</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/transip/">TransIP</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/safedns/">UKFast SafeDNS</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/ultradns/">Ultradns</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/uniteddomains/">United-Domains</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/variomedia/">Variomedia</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/variomedia/">Variomedia</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/vegadns/">VegaDNS</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/vercel/">Vercel</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/versio/">Versio.[nl|eu|uk]</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/vinyldns/">VinylDNS</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/vinyldns/">VinylDNS</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/vkcloud/">VK Cloud</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/volcengine/">Volcano Engine/火山引擎</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/vscale/">Vscale</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/vultr/">Vultr</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/vultr/">Vultr</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/webnamesca/">webnames.ca</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/webnames/">webnames.ru</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/websupport/">Websupport</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/wedos/">WEDOS</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/wedos/">WEDOS</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/westcn/">West.cn/西部数码</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/yandex360/">Yandex 360</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/yandexcloud/">Yandex Cloud</a></td>
-  <td><a href="https://go-acme.github.io/lego/dns/yandex/">Yandex PDD</a></td>
 </tr><tr>
+  <td><a href="https://go-acme.github.io/lego/dns/yandex/">Yandex PDD</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/zoneee/">Zone.ee</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/zoneedit/">ZoneEdit</a></td>
   <td><a href="https://go-acme.github.io/lego/dns/zonomi/">Zonomi</a></td>
-  <td></td>
 </tr></table>
 
 <!-- END DNS PROVIDERS LIST -->

cmd/zz_gen_cmd_dnshelp.go

@@ -0,0 +1,131 @@
+package internal
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
+	"github.com/go-acme/lego/v4/providers/dns/internal/useragent"
+)
+
+const defaultBaseURL = "https://www.syse.no/api"
+
+// Client the Syse API client.
+type Client struct {
+	credentials map[string]string
+
+	BaseURL    *url.URL
+	HTTPClient *http.Client
+}
+
+// NewClient creates a new Client.
+func NewClient(credentials map[string]string) (*Client, error) {
+	if len(credentials) == 0 {
+		return nil, errors.New("credentials missing")
+	}
+
+	baseURL, _ := url.Parse(defaultBaseURL)
+
+	return &Client{
+		credentials: credentials,
+		BaseURL:     baseURL,
+		HTTPClient:  &http.Client{Timeout: 10 * time.Second},
+	}, nil
+}
+
+func (c *Client) CreateRecord(ctx context.Context, zone string, record Record) (*Record, error) {
+	endpoint := c.BaseURL.JoinPath("dns", zone)
+
+	req, err := newJSONRequest(ctx, http.MethodPost, endpoint, record)
+	if err != nil {
+		return nil, err
+	}
+
+	req.SetBasicAuth(zone, c.credentials[zone])
+
+	result := new(Record)
+
+	err = c.do(req, result)
+	if err != nil {
+		return nil, err
+	}
+
+	return result, nil
+}
+
+func (c *Client) DeleteRecord(ctx context.Context, zone, recordID string) error {
+	endpoint := c.BaseURL.JoinPath("dns", zone, recordID)
+
+	req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
+	if err != nil {
+		return err
+	}
+
+	req.SetBasicAuth(zone, c.credentials[zone])
+
+	return c.do(req, nil)
+}
+
+func (c *Client) do(req *http.Request, result any) error {
+	useragent.SetHeader(req.Header)
+
+	resp, err := c.HTTPClient.Do(req)
+	if err != nil {
+		return errutils.NewHTTPDoError(req, err)
+	}
+
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode/100 != 2 {
+		raw, _ := io.ReadAll(resp.Body)
+
+		return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
+	}
+
+	if result == nil {
+		return nil
+	}
+
+	raw, err := io.ReadAll(resp.Body)
+	if err != nil {
+		return errutils.NewReadResponseError(req, resp.StatusCode, err)
+	}
+
+	err = json.Unmarshal(raw, result)
+	if err != nil {
+		return errutils.NewUnmarshalError(req, resp.StatusCode, raw, err)
+	}
+
+	return nil
+}
+
+func newJSONRequest(ctx context.Context, method string, endpoint *url.URL, payload any) (*http.Request, error) {
+	buf := new(bytes.Buffer)
+
+	if payload != nil {
+		err := json.NewEncoder(buf).Encode(payload)
+		if err != nil {
+			return nil, fmt.Errorf("failed to create request JSON body: %w", err)
+		}
+	}
+
+	req, err := http.NewRequestWithContext(ctx, method, endpoint.String(), buf)
+	if err != nil {
+		return nil, fmt.Errorf("unable to create request: %w", err)
+	}
+
+	req.Header.Set("Accept", "application/json")
+
+	if payload != nil {
+		req.Header.Set("Content-Type", "application/json")
+	}
+
+	return req, nil
+}