Add DNS provider for Lima-City (#2248)

README.md

@@ -71,22 +71,22 @@ Detailed documentation is available [here](https://go-acme.github.io/lego/dns).
 | [IIJ DNS Platform Service](https://go-acme.github.io/lego/dns/iijdpf/)          | [Infoblox](https://go-acme.github.io/lego/dns/infoblox/)                        | [Infomaniak](https://go-acme.github.io/lego/dns/infomaniak/)                    | [Internet Initiative Japan](https://go-acme.github.io/lego/dns/iij/)            |
 | [Internet.bs](https://go-acme.github.io/lego/dns/internetbs/)                   | [INWX](https://go-acme.github.io/lego/dns/inwx/)                                | [Ionos](https://go-acme.github.io/lego/dns/ionos/)                              | [IPv64](https://go-acme.github.io/lego/dns/ipv64/)                              |
 | [iwantmyname](https://go-acme.github.io/lego/dns/iwantmyname/)                  | [Joker](https://go-acme.github.io/lego/dns/joker/)                              | [Joohoi's ACME-DNS](https://go-acme.github.io/lego/dns/acme-dns/)               | [Liara](https://go-acme.github.io/lego/dns/liara/)                              |
-| [Linode (v4)](https://go-acme.github.io/lego/dns/linode/)                       | [Liquid Web](https://go-acme.github.io/lego/dns/liquidweb/)                     | [Loopia](https://go-acme.github.io/lego/dns/loopia/)                            | [LuaDNS](https://go-acme.github.io/lego/dns/luadns/)                            |
+| [Lima-City](https://go-acme.github.io/lego/dns/limacity/)                       | [Linode (v4)](https://go-acme.github.io/lego/dns/linode/)                       | [Liquid Web](https://go-acme.github.io/lego/dns/liquidweb/)                     | [Loopia](https://go-acme.github.io/lego/dns/loopia/)                            |
-| [Mail-in-a-Box](https://go-acme.github.io/lego/dns/mailinabox/)                 | [Manual](https://go-acme.github.io/lego/dns/manual/)                            | [Metaname](https://go-acme.github.io/lego/dns/metaname/)                        | [mijn.host](https://go-acme.github.io/lego/dns/mijnhost/)                       |
+| [LuaDNS](https://go-acme.github.io/lego/dns/luadns/)                            | [Mail-in-a-Box](https://go-acme.github.io/lego/dns/mailinabox/)                 | [Manual](https://go-acme.github.io/lego/dns/manual/)                            | [Metaname](https://go-acme.github.io/lego/dns/metaname/)                        |
-| [MyDNS.jp](https://go-acme.github.io/lego/dns/mydnsjp/)                         | [MythicBeasts](https://go-acme.github.io/lego/dns/mythicbeasts/)                | [Name.com](https://go-acme.github.io/lego/dns/namedotcom/)                      | [Namecheap](https://go-acme.github.io/lego/dns/namecheap/)                      |
+| [mijn.host](https://go-acme.github.io/lego/dns/mijnhost/)                       | [MyDNS.jp](https://go-acme.github.io/lego/dns/mydnsjp/)                         | [MythicBeasts](https://go-acme.github.io/lego/dns/mythicbeasts/)                | [Name.com](https://go-acme.github.io/lego/dns/namedotcom/)                      |
-| [Namesilo](https://go-acme.github.io/lego/dns/namesilo/)                        | [NearlyFreeSpeech.NET](https://go-acme.github.io/lego/dns/nearlyfreespeech/)    | [Netcup](https://go-acme.github.io/lego/dns/netcup/)                            | [Netlify](https://go-acme.github.io/lego/dns/netlify/)                          |
+| [Namecheap](https://go-acme.github.io/lego/dns/namecheap/)                      | [Namesilo](https://go-acme.github.io/lego/dns/namesilo/)                        | [NearlyFreeSpeech.NET](https://go-acme.github.io/lego/dns/nearlyfreespeech/)    | [Netcup](https://go-acme.github.io/lego/dns/netcup/)                            |
-| [Nicmanager](https://go-acme.github.io/lego/dns/nicmanager/)                    | [NIFCloud](https://go-acme.github.io/lego/dns/nifcloud/)                        | [Njalla](https://go-acme.github.io/lego/dns/njalla/)                            | [Nodion](https://go-acme.github.io/lego/dns/nodion/)                            |
+| [Netlify](https://go-acme.github.io/lego/dns/netlify/)                          | [Nicmanager](https://go-acme.github.io/lego/dns/nicmanager/)                    | [NIFCloud](https://go-acme.github.io/lego/dns/nifcloud/)                        | [Njalla](https://go-acme.github.io/lego/dns/njalla/)                            |
-| [NS1](https://go-acme.github.io/lego/dns/ns1/)                                  | [Open Telekom Cloud](https://go-acme.github.io/lego/dns/otc/)                   | [Oracle Cloud](https://go-acme.github.io/lego/dns/oraclecloud/)                 | [OVH](https://go-acme.github.io/lego/dns/ovh/)                                  |
+| [Nodion](https://go-acme.github.io/lego/dns/nodion/)                            | [NS1](https://go-acme.github.io/lego/dns/ns1/)                                  | [Open Telekom Cloud](https://go-acme.github.io/lego/dns/otc/)                   | [Oracle Cloud](https://go-acme.github.io/lego/dns/oraclecloud/)                 |
-| [plesk.com](https://go-acme.github.io/lego/dns/plesk/)                          | [Porkbun](https://go-acme.github.io/lego/dns/porkbun/)                          | [PowerDNS](https://go-acme.github.io/lego/dns/pdns/)                            | [Rackspace](https://go-acme.github.io/lego/dns/rackspace/)                      |
+| [OVH](https://go-acme.github.io/lego/dns/ovh/)                                  | [plesk.com](https://go-acme.github.io/lego/dns/plesk/)                          | [Porkbun](https://go-acme.github.io/lego/dns/porkbun/)                          | [PowerDNS](https://go-acme.github.io/lego/dns/pdns/)                            |
-| [RcodeZero](https://go-acme.github.io/lego/dns/rcodezero/)                      | [reg.ru](https://go-acme.github.io/lego/dns/regru/)                             | [RFC2136](https://go-acme.github.io/lego/dns/rfc2136/)                          | [RimuHosting](https://go-acme.github.io/lego/dns/rimuhosting/)                  |
+| [Rackspace](https://go-acme.github.io/lego/dns/rackspace/)                      | [RcodeZero](https://go-acme.github.io/lego/dns/rcodezero/)                      | [reg.ru](https://go-acme.github.io/lego/dns/regru/)                             | [RFC2136](https://go-acme.github.io/lego/dns/rfc2136/)                          |
-| [Sakura Cloud](https://go-acme.github.io/lego/dns/sakuracloud/)                 | [Scaleway](https://go-acme.github.io/lego/dns/scaleway/)                        | [Selectel v2](https://go-acme.github.io/lego/dns/selectelv2/)                   | [Selectel](https://go-acme.github.io/lego/dns/selectel/)                        |
+| [RimuHosting](https://go-acme.github.io/lego/dns/rimuhosting/)                  | [Sakura Cloud](https://go-acme.github.io/lego/dns/sakuracloud/)                 | [Scaleway](https://go-acme.github.io/lego/dns/scaleway/)                        | [Selectel v2](https://go-acme.github.io/lego/dns/selectelv2/)                   |
-| [Servercow](https://go-acme.github.io/lego/dns/servercow/)                      | [Shellrent](https://go-acme.github.io/lego/dns/shellrent/)                      | [Simply.com](https://go-acme.github.io/lego/dns/simply/)                        | [Sonic](https://go-acme.github.io/lego/dns/sonic/)                              |
+| [Selectel](https://go-acme.github.io/lego/dns/selectel/)                        | [Servercow](https://go-acme.github.io/lego/dns/servercow/)                      | [Shellrent](https://go-acme.github.io/lego/dns/shellrent/)                      | [Simply.com](https://go-acme.github.io/lego/dns/simply/)                        |
-| [Stackpath](https://go-acme.github.io/lego/dns/stackpath/)                      | [Tencent Cloud DNS](https://go-acme.github.io/lego/dns/tencentcloud/)           | [TransIP](https://go-acme.github.io/lego/dns/transip/)                          | [UKFast SafeDNS](https://go-acme.github.io/lego/dns/safedns/)                   |
+| [Sonic](https://go-acme.github.io/lego/dns/sonic/)                              | [Stackpath](https://go-acme.github.io/lego/dns/stackpath/)                      | [Tencent Cloud DNS](https://go-acme.github.io/lego/dns/tencentcloud/)           | [TransIP](https://go-acme.github.io/lego/dns/transip/)                          |
-| [Ultradns](https://go-acme.github.io/lego/dns/ultradns/)                        | [Variomedia](https://go-acme.github.io/lego/dns/variomedia/)                    | [VegaDNS](https://go-acme.github.io/lego/dns/vegadns/)                          | [Vercel](https://go-acme.github.io/lego/dns/vercel/)                            |
+| [UKFast SafeDNS](https://go-acme.github.io/lego/dns/safedns/)                   | [Ultradns](https://go-acme.github.io/lego/dns/ultradns/)                        | [Variomedia](https://go-acme.github.io/lego/dns/variomedia/)                    | [VegaDNS](https://go-acme.github.io/lego/dns/vegadns/)                          |
-| [Versio.[nl/eu/uk]](https://go-acme.github.io/lego/dns/versio/)                 | [VinylDNS](https://go-acme.github.io/lego/dns/vinyldns/)                        | [VK Cloud](https://go-acme.github.io/lego/dns/vkcloud/)                         | [Vscale](https://go-acme.github.io/lego/dns/vscale/)                            |
+| [Vercel](https://go-acme.github.io/lego/dns/vercel/)                            | [Versio.[nl/eu/uk]](https://go-acme.github.io/lego/dns/versio/)                 | [VinylDNS](https://go-acme.github.io/lego/dns/vinyldns/)                        | [VK Cloud](https://go-acme.github.io/lego/dns/vkcloud/)                         |
-| [Vultr](https://go-acme.github.io/lego/dns/vultr/)                              | [Webnames](https://go-acme.github.io/lego/dns/webnames/)                        | [Websupport](https://go-acme.github.io/lego/dns/websupport/)                    | [WEDOS](https://go-acme.github.io/lego/dns/wedos/)                              |
+| [Vscale](https://go-acme.github.io/lego/dns/vscale/)                            | [Vultr](https://go-acme.github.io/lego/dns/vultr/)                              | [Webnames](https://go-acme.github.io/lego/dns/webnames/)                        | [Websupport](https://go-acme.github.io/lego/dns/websupport/)                    |
-| [Yandex 360](https://go-acme.github.io/lego/dns/yandex360/)                     | [Yandex Cloud](https://go-acme.github.io/lego/dns/yandexcloud/)                 | [Yandex PDD](https://go-acme.github.io/lego/dns/yandex/)                        | [Zone.ee](https://go-acme.github.io/lego/dns/zoneee/)                           |
+| [WEDOS](https://go-acme.github.io/lego/dns/wedos/)                              | [Yandex 360](https://go-acme.github.io/lego/dns/yandex360/)                     | [Yandex Cloud](https://go-acme.github.io/lego/dns/yandexcloud/)                 | [Yandex PDD](https://go-acme.github.io/lego/dns/yandex/)                        |
-| [Zonomi](https://go-acme.github.io/lego/dns/zonomi/)                            |                                                                                 |                                                                                 |                                                                                 |
+| [Zone.ee](https://go-acme.github.io/lego/dns/zoneee/)                           | [Zonomi](https://go-acme.github.io/lego/dns/zonomi/)                            |                                                                                 |                                                                                 |
 
 <!-- END DNS PROVIDERS LIST -->
 

cmd/zz_gen_cmd_dnshelp.go

@@ -85,6 +85,7 @@ func allDNSCodes() string {
 		"joker",
 		"liara",
 		"lightsail",
+		"limacity",
 		"linode",
 		"liquidweb",
 		"loopia",
@@ -1666,6 +1667,27 @@ func displayDNSHelp(w io.Writer, name string) error {
 		ew.writeln()
 		ew.writeln(`More information: https://go-acme.github.io/lego/dns/lightsail`)
 
+	case "limacity":
+		// generated from: providers/dns/limacity/limacity.toml
+		ew.writeln(`Configuration for Lima-City.`)
+		ew.writeln(`Code:	'limacity'`)
+		ew.writeln(`Since:	'v4.18.0'`)
+		ew.writeln()
+
+		ew.writeln(`Credentials:`)
+		ew.writeln(`	- "LIMACITY_API_KEY":	The API key`)
+		ew.writeln()
+
+		ew.writeln(`Additional Configuration:`)
+		ew.writeln(`	- "LIMACITY_HTTP_TIMEOUT":	API request timeout`)
+		ew.writeln(`	- "LIMACITY_POLLING_INTERVAL":	Time between DNS propagation check`)
+		ew.writeln(`	- "LIMACITY_PROPAGATION_TIMEOUT":	Maximum waiting time for DNS propagation`)
+		ew.writeln(`	- "LIMACITY_SEQUENCE_INTERVAL":	Time between sequential requests`)
+		ew.writeln(`	- "LIMACITY_TTL":	The TTL of the TXT record used for the DNS challenge`)
+
+		ew.writeln()
+		ew.writeln(`More information: https://go-acme.github.io/lego/dns/limacity`)
+
 	case "linode":
 		// generated from: providers/dns/linode/linode.toml
 		ew.writeln(`Configuration for Linode (v4).`)

docs/content/dns/zz_gen_limacity.md

@@ -0,0 +1,68 @@
+---
+title: "Lima-City"
+date: 2019-03-03T16:39:46+01:00
+draft: false
+slug: limacity
+dnsprovider:
+  since:    "v4.18.0"
+  code:     "limacity"
+  url:      "https://www.lima-city.de"
+---
+
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+<!-- providers/dns/limacity/limacity.toml -->
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+
+
+Configuration for [Lima-City](https://www.lima-city.de).
+
+
+<!--more-->
+
+- Code: `limacity`
+- Since: v4.18.0
+
+
+Here is an example bash command using the Lima-City provider:
+
+```bash
+LIMACITY_API_KEY="xxxxxxxxxxxxxxxxxxxxx" \
+lego --email myemail@example.com --dns limacity --domains my.example.org run
+```
+
+
+
+
+## Credentials
+
+| Environment Variable Name | Description |
+|-----------------------|-------------|
+| `LIMACITY_API_KEY` | The API key |
+
+The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
+More information [here]({{% ref "dns#configuration-and-credentials" %}}).
+
+
+## Additional Configuration
+
+| Environment Variable Name | Description |
+|--------------------------------|-------------|
+| `LIMACITY_HTTP_TIMEOUT` | API request timeout |
+| `LIMACITY_POLLING_INTERVAL` | Time between DNS propagation check |
+| `LIMACITY_PROPAGATION_TIMEOUT` | Maximum waiting time for DNS propagation |
+| `LIMACITY_SEQUENCE_INTERVAL` | Time between sequential requests |
+| `LIMACITY_TTL` | The TTL of the TXT record used for the DNS challenge |
+
+The environment variable names can be suffixed by `_FILE` to reference a file instead of a value.
+More information [here]({{% ref "dns#configuration-and-credentials" %}}).
+
+
+
+
+## More information
+
+- [API documentation](https://www.lima-city.de/hilfe/lima-city-api)
+
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->
+<!-- providers/dns/limacity/limacity.toml -->
+<!-- THIS DOCUMENTATION IS AUTO-GENERATED. PLEASE DO NOT EDIT. -->

docs/data/zz_cli_help.toml

@@ -138,7 +138,7 @@ To display the documentation for a specific DNS provider, run:
   $ lego dnshelp -c code
 
 Supported DNS providers:
-  acme-dns, alidns, allinkl, arvancloud, auroradns, autodns, azure, azuredns, bindman, bluecat, brandit, bunny, checkdomain, civo, clouddns, cloudflare, cloudns, cloudru, cloudxns, conoha, constellix, cpanel, derak, desec, designate, digitalocean, directadmin, dnshomede, dnsimple, dnsmadeeasy, dnspod, dode, domeneshop, dreamhost, duckdns, dyn, dynu, easydns, edgedns, efficientip, epik, exec, exoscale, freemyip, gandi, gandiv5, gcloud, gcore, glesys, godaddy, googledomains, hetzner, hostingde, hosttech, httpnet, httpreq, hurricane, hyperone, ibmcloud, iij, iijdpf, infoblox, infomaniak, internetbs, inwx, ionos, ipv64, iwantmyname, joker, liara, lightsail, linode, liquidweb, loopia, luadns, mailinabox, manual, metaname, mijnhost, mydnsjp, mythicbeasts, namecheap, namedotcom, namesilo, nearlyfreespeech, netcup, netlify, nicmanager, nifcloud, njalla, nodion, ns1, oraclecloud, otc, ovh, pdns, plesk, porkbun, rackspace, rcodezero, regru, rfc2136, rimuhosting, route53, safedns, sakuracloud, scaleway, selectel, selectelv2, servercow, shellrent, simply, sonic, stackpath, tencentcloud, transip, ultradns, variomedia, vegadns, vercel, versio, vinyldns, vkcloud, vscale, vultr, webnames, websupport, wedos, yandex, yandex360, yandexcloud, zoneee, zonomi
+  acme-dns, alidns, allinkl, arvancloud, auroradns, autodns, azure, azuredns, bindman, bluecat, brandit, bunny, checkdomain, civo, clouddns, cloudflare, cloudns, cloudru, cloudxns, conoha, constellix, cpanel, derak, desec, designate, digitalocean, directadmin, dnshomede, dnsimple, dnsmadeeasy, dnspod, dode, domeneshop, dreamhost, duckdns, dyn, dynu, easydns, edgedns, efficientip, epik, exec, exoscale, freemyip, gandi, gandiv5, gcloud, gcore, glesys, godaddy, googledomains, hetzner, hostingde, hosttech, httpnet, httpreq, hurricane, hyperone, ibmcloud, iij, iijdpf, infoblox, infomaniak, internetbs, inwx, ionos, ipv64, iwantmyname, joker, liara, lightsail, limacity, linode, liquidweb, loopia, luadns, mailinabox, manual, metaname, mijnhost, mydnsjp, mythicbeasts, namecheap, namedotcom, namesilo, nearlyfreespeech, netcup, netlify, nicmanager, nifcloud, njalla, nodion, ns1, oraclecloud, otc, ovh, pdns, plesk, porkbun, rackspace, rcodezero, regru, rfc2136, rimuhosting, route53, safedns, sakuracloud, scaleway, selectel, selectelv2, servercow, shellrent, simply, sonic, stackpath, tencentcloud, transip, ultradns, variomedia, vegadns, vercel, versio, vinyldns, vkcloud, vscale, vultr, webnames, websupport, wedos, yandex, yandex360, yandexcloud, zoneee, zonomi
 
 More information: https://go-acme.github.io/lego/dns
 """

providers/dns/dns_providers.go

@@ -76,6 +76,7 @@ import (
 	"github.com/go-acme/lego/v4/providers/dns/joker"
 	"github.com/go-acme/lego/v4/providers/dns/liara"
 	"github.com/go-acme/lego/v4/providers/dns/lightsail"
+	"github.com/go-acme/lego/v4/providers/dns/limacity"
 	"github.com/go-acme/lego/v4/providers/dns/linode"
 	"github.com/go-acme/lego/v4/providers/dns/liquidweb"
 	"github.com/go-acme/lego/v4/providers/dns/loopia"
@@ -284,6 +285,8 @@ func NewDNSChallengeProviderByName(name string) (challenge.Provider, error) {
 		return liara.NewDNSProvider()
 	case "lightsail":
 		return lightsail.NewDNSProvider()
+	case "limacity":
+		return limacity.NewDNSProvider()
 	case "linode", "linodev4": // "linodev4" is for compatibility with v3, must be dropped in v5
 		return linode.NewDNSProvider()
 	case "liquidweb":

providers/dns/limacity/internal/client.go

@@ -0,0 +1,186 @@
+package internal
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strconv"
+	"time"
+
+	"github.com/go-acme/lego/v4/providers/dns/internal/errutils"
+)
+
+const defaultBaseURL = "https://www.lima-city.de/usercp"
+
+type Client struct {
+	apiKey     string
+	baseURL    *url.URL
+	HTTPClient *http.Client
+}
+
+func NewClient(apiKey string) *Client {
+	baseURL, _ := url.Parse(defaultBaseURL)
+
+	return &Client{
+		apiKey:     apiKey,
+		baseURL:    baseURL,
+		HTTPClient: &http.Client{Timeout: 10 * time.Second},
+	}
+}
+
+func (c Client) GetDomains(ctx context.Context) ([]Domain, error) {
+	endpoint := c.baseURL.JoinPath("domains.json")
+
+	req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var results DomainsResponse
+	err = c.do(req, &results)
+	if err != nil {
+		return nil, err
+	}
+
+	return results.Data, nil
+}
+
+func (c Client) GetRecords(ctx context.Context, domainID int) ([]Record, error) {
+	endpoint := c.baseURL.JoinPath("domains", strconv.Itoa(domainID), "records.json")
+
+	req, err := newJSONRequest(ctx, http.MethodGet, endpoint, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var results RecordsResponse
+	err = c.do(req, &results)
+	if err != nil {
+		return nil, err
+	}
+
+	return results.Data, nil
+}
+
+func (c Client) AddRecord(ctx context.Context, domainID int, record Record) error {
+	endpoint := c.baseURL.JoinPath("domains", strconv.Itoa(domainID), "records.json")
+
+	req, err := newJSONRequest(ctx, http.MethodPost, endpoint, NameserverRecordPayload{Data: record})
+	if err != nil {
+		return err
+	}
+
+	var results APIResponse
+	err = c.do(req, &results)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c Client) UpdateRecord(ctx context.Context, domainID, recordID int, record Record) error {
+	endpoint := c.baseURL.JoinPath("domains", strconv.Itoa(domainID), "records", strconv.Itoa(recordID))
+
+	req, err := newJSONRequest(ctx, http.MethodPut, endpoint, NameserverRecordPayload{Data: record})
+	if err != nil {
+		return err
+	}
+
+	var results APIResponse
+	err = c.do(req, &results)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c Client) DeleteRecord(ctx context.Context, domainID, recordID int) error {
+	// /domains/{domainId}/records/{recordId} DELETE
+	endpoint := c.baseURL.JoinPath("domains", strconv.Itoa(domainID), "records", strconv.Itoa(recordID))
+
+	req, err := newJSONRequest(ctx, http.MethodDelete, endpoint, nil)
+	if err != nil {
+		return err
+	}
+
+	var results APIResponse
+	err = c.do(req, &results)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (c Client) do(req *http.Request, result any) error {
+	req.SetBasicAuth("api", c.apiKey)
+
+	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)
+	}
+
+	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
+}
+
+func parseError(req *http.Request, resp *http.Response) error {
+	raw, _ := io.ReadAll(resp.Body)
+
+	var errAPI APIResponse
+	err := json.Unmarshal(raw, &errAPI)
+	if err != nil {
+		return errutils.NewUnexpectedStatusCodeError(req, resp.StatusCode, raw)
+	}
+
+	return fmt.Errorf("[status code: %d] %w", resp.StatusCode, &errAPI)
+}

providers/dns/limacity/internal/client_test.go

@@ -0,0 +1,193 @@
+package internal
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"net/url"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+const apiKey = "secret"
+
+func setupTest(t *testing.T) (*Client, *http.ServeMux) {
+	t.Helper()
+
+	mux := http.NewServeMux()
+	server := httptest.NewServer(mux)
+	t.Cleanup(server.Close)
+
+	client := NewClient(apiKey)
+	client.baseURL, _ = url.Parse(server.URL)
+
+	return client, mux
+}
+
+func testHandler(filename string, method string, statusCode int) http.HandlerFunc {
+	return func(rw http.ResponseWriter, req *http.Request) {
+		if req.Method != method {
+			http.Error(rw, fmt.Sprintf("unsupported method: %s", req.Method), http.StatusMethodNotAllowed)
+			return
+		}
+
+		username, key, ok := req.BasicAuth()
+		if username != "api" || key != apiKey || !ok {
+			http.Error(rw, http.StatusText(http.StatusUnauthorized), http.StatusUnauthorized)
+			return
+		}
+
+		file, err := os.Open(filepath.Join("fixtures", filename))
+		if err != nil {
+			http.Error(rw, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		defer func() { _ = file.Close() }()
+
+		rw.WriteHeader(statusCode)
+
+		_, err = io.Copy(rw, file)
+		if err != nil {
+			http.Error(rw, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	}
+}
+
+func TestClient_GetDomains(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains.json", testHandler("get-domains.json", http.MethodGet, http.StatusOK))
+
+	domains, err := client.GetDomains(context.Background())
+	require.NoError(t, err)
+
+	expected := []Domain{{
+		ID:          123,
+		UnicodeFqdn: "example.com",
+		Domain:      "example",
+		TLD:         "com",
+		Status:      "ok",
+	}}
+	assert.Equal(t, expected, domains)
+}
+
+func TestClient_GetDomains_error(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains.json", testHandler("error.json", http.MethodGet, http.StatusBadRequest))
+
+	_, err := client.GetDomains(context.Background())
+	require.EqualError(t, err, "[status code: 400] status: invalid_resource, details: name: [muss ausgefüllt werden]")
+}
+
+func TestClient_GetRecords(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records.json", testHandler("get-records.json", http.MethodGet, http.StatusOK))
+
+	records, err := client.GetRecords(context.Background(), 123)
+	require.NoError(t, err)
+
+	expected := []Record{
+		{
+			ID:      1234,
+			Content: "ns1.lima-city.de",
+			Name:    "example.com",
+			TTL:     36000,
+			Type:    "NS",
+		},
+		{
+			ID:      5678,
+			Content: `"foobar"`,
+			Name:    "_acme-challenge.example.com",
+			TTL:     36000,
+			Type:    "TXT",
+		},
+	}
+	assert.Equal(t, expected, records)
+}
+
+func TestClient_GetRecords_error(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records.json", testHandler("error.json", http.MethodGet, http.StatusBadRequest))
+
+	_, err := client.GetRecords(context.Background(), 123)
+	require.EqualError(t, err, "[status code: 400] status: invalid_resource, details: name: [muss ausgefüllt werden]")
+}
+
+func TestClient_AddRecord(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records.json", testHandler("ok.json", http.MethodPost, http.StatusOK))
+
+	record := Record{
+		Name:    "foo",
+		Content: "bar",
+		TTL:     12,
+		Type:    "TXT",
+	}
+
+	err := client.AddRecord(context.Background(), 123, record)
+	require.NoError(t, err)
+}
+
+func TestClient_AddRecord_error(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records.json", testHandler("error.json", http.MethodPost, http.StatusBadRequest))
+
+	record := Record{
+		Name:    "foo",
+		Content: "bar",
+		TTL:     12,
+		Type:    "TXT",
+	}
+
+	err := client.AddRecord(context.Background(), 123, record)
+	require.EqualError(t, err, "[status code: 400] status: invalid_resource, details: name: [muss ausgefüllt werden]")
+}
+
+func TestClient_UpdateRecord(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records/456", testHandler("ok.json", http.MethodPut, http.StatusOK))
+
+	err := client.UpdateRecord(context.Background(), 123, 456, Record{})
+	require.NoError(t, err)
+}
+
+func TestClient_UpdateRecord_error(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records/456", testHandler("error.json", http.MethodPut, http.StatusBadRequest))
+
+	err := client.UpdateRecord(context.Background(), 123, 456, Record{})
+	require.EqualError(t, err, "[status code: 400] status: invalid_resource, details: name: [muss ausgefüllt werden]")
+}
+
+func TestClient_DeleteRecord(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records/456", testHandler("ok.json", http.MethodDelete, http.StatusOK))
+
+	err := client.DeleteRecord(context.Background(), 123, 456)
+	require.NoError(t, err)
+}
+
+func TestClient_DeleteRecord_error(t *testing.T) {
+	client, mux := setupTest(t)
+
+	mux.HandleFunc("/domains/123/records/456", testHandler("error.json", http.MethodDelete, http.StatusBadRequest))
+
+	err := client.DeleteRecord(context.Background(), 123, 456)
+	require.EqualError(t, err, "[status code: 400] status: invalid_resource, details: name: [muss ausgefüllt werden]")
+}

providers/dns/limacity/internal/fixtures/error.json

@@ -0,0 +1,8 @@
+{
+  "status": "invalid_resource",
+  "errors": {
+    "name": [
+      "muss ausgefüllt werden"
+    ]
+  }
+}

providers/dns/limacity/internal/fixtures/get-domains.json

@@ -0,0 +1,16 @@
+{
+  "domains": [
+    {
+      "id": 123,
+      "mode": "CREATE",
+      "tld": "com",
+      "domain": "example",
+      "in_subscription": false,
+      "auto_renew": false,
+      "status": "ok",
+      "unicode_fqdn": "example.com",
+      "registered_at": "1970-01-01T00:00:00+00:00",
+      "registered_until": "2000-01-01T00:00:00+00:00"
+    }
+  ]
+}

providers/dns/limacity/internal/fixtures/get-records.json

@@ -0,0 +1,21 @@
+{
+  "records": [
+    {
+      "id": 1234,
+      "content": "ns1.lima-city.de",
+      "name": "example.com",
+      "ttl": 36000,
+      "type": "NS",
+      "priority": null
+    },
+    {
+      "id": 5678,
+      "content": "\"foobar\"",
+      "name": "_acme-challenge.example.com",
+      "subdomain": "_acme-challenge",
+      "ttl": 36000,
+      "type": "TXT",
+      "priority": null
+    }
+  ]
+}

providers/dns/limacity/internal/fixtures/ok.json

@@ -0,0 +1,3 @@
+{
+  "status": "ok"
+}

providers/dns/limacity/internal/types.go

@@ -0,0 +1,48 @@
+package internal
+
+import (
+	"fmt"
+	"strings"
+)
+
+type RecordsResponse struct {
+	Data []Record `json:"records,omitempty"`
+}
+
+type NameserverRecordPayload struct {
+	Data Record `json:"nameserver_record,omitempty"`
+}
+
+type DomainsResponse struct {
+	Data []Domain `json:"domains,omitempty"`
+}
+
+type APIResponse struct {
+	Status  string              `json:"status,omitempty"`
+	Details map[string][]string `json:"errors,omitempty"`
+}
+
+func (a APIResponse) Error() string {
+	var details []string
+	for k, v := range a.Details {
+		details = append(details, fmt.Sprintf("%s: %s", k, v))
+	}
+
+	return fmt.Sprintf("status: %s, details: %s", a.Status, strings.Join(details, ","))
+}
+
+type Record struct {
+	ID      int    `json:"id,omitempty"`
+	Name    string `json:"name,omitempty"`
+	Content string `json:"content,omitempty"`
+	TTL     int    `json:"ttl,omitempty"`
+	Type    string `json:"type,omitempty"`
+}
+
+type Domain struct {
+	ID          int    `json:"id,omitempty"`
+	UnicodeFqdn string `json:"unicode_fqdn,omitempty"`
+	Domain      string `json:"domain,omitempty"`
+	TLD         string `json:"tld,omitempty"`
+	Status      string `json:"status,omitempty"`
+}

providers/dns/limacity/limacity.go

@@ -0,0 +1,199 @@
+// Package limacity implements a DNS provider for solving the DNS-01 challenge using Lima-City DNS.
+package limacity
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/go-acme/lego/v4/challenge/dns01"
+	"github.com/go-acme/lego/v4/platform/config/env"
+	"github.com/go-acme/lego/v4/providers/dns/limacity/internal"
+	"github.com/miekg/dns"
+)
+
+// Environment variables names.
+const (
+	envNamespace = "LIMACITY_"
+
+	EnvAPIKey = envNamespace + "API_KEY"
+
+	EnvTTL                = envNamespace + "TTL"
+	EnvPropagationTimeout = envNamespace + "PROPAGATION_TIMEOUT"
+	EnvPollingInterval    = envNamespace + "POLLING_INTERVAL"
+	EnvHTTPTimeout        = envNamespace + "HTTP_TIMEOUT"
+	EnvSequenceInterval   = envNamespace + "SEQUENCE_INTERVAL"
+)
+
+// Config is used to configure the creation of the DNSProvider.
+type Config struct {
+	APIKey             string
+	TTL                int
+	PropagationTimeout time.Duration
+	PollingInterval    time.Duration
+	SequenceInterval   time.Duration
+	HTTPClient         *http.Client
+}
+
+// NewDefaultConfig returns a default configuration for the DNSProvider.
+func NewDefaultConfig() *Config {
+	return &Config{
+		TTL:                env.GetOrDefaultInt(EnvTTL, 60),
+		PropagationTimeout: env.GetOrDefaultSecond(EnvPropagationTimeout, 8*time.Minute),
+		PollingInterval:    env.GetOrDefaultSecond(EnvPollingInterval, 80*time.Second),
+		SequenceInterval:   env.GetOrDefaultSecond(EnvSequenceInterval, 90*time.Second),
+		HTTPClient: &http.Client{
+			Timeout: env.GetOrDefaultSecond(EnvHTTPTimeout, 30*time.Second),
+		},
+	}
+}
+
+// DNSProvider implements the challenge.Provider interface.
+type DNSProvider struct {
+	config *Config
+	client *internal.Client
+
+	domainIDs   map[string]int
+	domainIDsMu sync.Mutex
+}
+
+// NewDNSProvider returns a DNSProvider instance configured for Lima-City DNS.
+// LIMACITY_API_KEY must be passed in the environment variables.
+func NewDNSProvider() (*DNSProvider, error) {
+	values, err := env.Get(EnvAPIKey)
+	if err != nil {
+		return nil, fmt.Errorf("limacity: %w", err)
+	}
+
+	config := NewDefaultConfig()
+	config.APIKey = values[EnvAPIKey]
+
+	return NewDNSProviderConfig(config)
+}
+
+// NewDNSProviderConfig return a DNSProvider instance configured for Lima-City DNS.
+func NewDNSProviderConfig(config *Config) (*DNSProvider, error) {
+	if config == nil {
+		return nil, errors.New("limacity: the configuration of the DNS provider is nil")
+	}
+
+	if config.APIKey == "" {
+		return nil, errors.New("limacity: APIKey is missing")
+	}
+
+	client := internal.NewClient(config.APIKey)
+
+	return &DNSProvider{
+		config:    config,
+		client:    client,
+		domainIDs: make(map[string]int),
+	}, nil
+}
+
+// Timeout returns the timeout and interval to use when checking for DNS propagation.
+// Adjusting here to cope with spikes in propagation times.
+func (d *DNSProvider) Timeout() (timeout, interval time.Duration) {
+	return d.config.PropagationTimeout, d.config.PollingInterval
+}
+
+// Sequential All DNS challenges for this provider will be resolved sequentially.
+// Returns the interval between each iteration.
+func (d *DNSProvider) Sequential() time.Duration {
+	return d.config.SequenceInterval
+}
+
+// Present creates a TXT record to fulfill the dns-01 challenge.
+func (d *DNSProvider) Present(domain, token, keyAuth string) error {
+	info := dns01.GetChallengeInfo(domain, keyAuth)
+
+	domains, err := d.client.GetDomains(context.Background())
+	if err != nil {
+		return fmt.Errorf("limacity: get domains: %w", err)
+	}
+
+	dom, err := findDomain(domains, info.EffectiveFQDN)
+	if err != nil {
+		return fmt.Errorf("limacity: find domain: %w", err)
+	}
+
+	subDomain, err := dns01.ExtractSubDomain(info.EffectiveFQDN, dom.UnicodeFqdn)
+	if err != nil {
+		return fmt.Errorf("limacity: %w", err)
+	}
+
+	record := internal.Record{
+		Name:    subDomain,
+		Content: info.Value,
+		TTL:     d.config.TTL,
+		Type:    "TXT",
+	}
+
+	err = d.client.AddRecord(context.Background(), dom.ID, record)
+	if err != nil {
+		return fmt.Errorf("limacity: add record: %w", err)
+	}
+
+	d.domainIDsMu.Lock()
+	d.domainIDs[token] = dom.ID
+	d.domainIDsMu.Unlock()
+
+	return nil
+}
+
+// CleanUp removes the TXT record.
+func (d *DNSProvider) CleanUp(domain, token, keyAuth string) error {
+	info := dns01.GetChallengeInfo(domain, keyAuth)
+
+	// gets the domain's unique ID
+	d.domainIDsMu.Lock()
+	domainID, ok := d.domainIDs[token]
+	d.domainIDsMu.Unlock()
+	if !ok {
+		return fmt.Errorf("liara: unknown domain ID for '%s' '%s'", info.EffectiveFQDN, token)
+	}
+
+	records, err := d.client.GetRecords(context.Background(), domainID)
+	if err != nil {
+		return fmt.Errorf("limacity: get records: %w", err)
+	}
+
+	var recordID int
+	for _, record := range records {
+		if record.Type == "TXT" && record.Content == strconv.Quote(info.Value) {
+			recordID = record.ID
+			break
+		}
+	}
+
+	if recordID == 0 {
+		return errors.New("limacity: TXT record not found")
+	}
+
+	err = d.client.DeleteRecord(context.Background(), domainID, recordID)
+	if err != nil {
+		return fmt.Errorf("limacity: delete record (domain ID=%d, record ID=%d): %w", domainID, recordID, err)
+	}
+
+	return nil
+}
+
+func findDomain(domains []internal.Domain, fqdn string) (internal.Domain, error) {
+	labelIndexes := dns.Split(fqdn)
+
+	for _, index := range labelIndexes {
+		f := fqdn[index:]
+		domain := dns01.UnFqdn(f)
+
+		for _, dom := range domains {
+			if dom.UnicodeFqdn == domain || dom.UnicodeFqdn == f {
+				return dom, nil
+			}
+		}
+	}
+
+	return internal.Domain{}, fmt.Errorf("domain %s not found", fqdn)
+}

providers/dns/limacity/limacity.toml

@@ -0,0 +1,23 @@
+Name = "Lima-City"
+Description = ''''''
+URL = "https://www.lima-city.de"
+Code = "limacity"
+Since = "v4.18.0"
+
+Example = '''
+LIMACITY_API_KEY="xxxxxxxxxxxxxxxxxxxxx" \
+lego --email myemail@example.com --dns limacity --domains my.example.org run
+'''
+
+[Configuration]
+  [Configuration.Credentials]
+    LIMACITY_API_KEY = "The API key"
+  [Configuration.Additional]
+    LIMACITY_POLLING_INTERVAL = "Time between DNS propagation check"
+    LIMACITY_PROPAGATION_TIMEOUT = "Maximum waiting time for DNS propagation"
+    LIMACITY_SEQUENCE_INTERVAL = "Time between sequential requests"
+    LIMACITY_TTL = "The TTL of the TXT record used for the DNS challenge"
+    LIMACITY_HTTP_TIMEOUT = "API request timeout"
+
+[Links]
+  API = "https://www.lima-city.de/hilfe/lima-city-api"

providers/dns/limacity/limacity_test.go

@@ -0,0 +1,113 @@
+package limacity
+
+import (
+	"testing"
+
+	"github.com/go-acme/lego/v4/platform/tester"
+	"github.com/stretchr/testify/require"
+)
+
+const envDomain = envNamespace + "DOMAIN"
+
+var envTest = tester.NewEnvTest(EnvAPIKey).WithDomain(envDomain)
+
+func TestNewDNSProvider(t *testing.T) {
+	testCases := []struct {
+		desc     string
+		envVars  map[string]string
+		expected string
+	}{
+		{
+			desc: "success",
+			envVars: map[string]string{
+				EnvAPIKey: "key",
+			},
+		},
+		{
+			desc:     "missing API key",
+			envVars:  map[string]string{},
+			expected: "limacity: some credentials information are missing: LIMACITY_API_KEY",
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+			defer envTest.RestoreEnv()
+			envTest.ClearEnv()
+
+			envTest.Apply(test.envVars)
+
+			p, err := NewDNSProvider()
+
+			if test.expected == "" {
+				require.NoError(t, err)
+				require.NotNil(t, p)
+				require.NotNil(t, p.config)
+				require.NotNil(t, p.client)
+			} else {
+				require.EqualError(t, err, test.expected)
+			}
+		})
+	}
+}
+
+func TestNewDNSProviderConfig(t *testing.T) {
+	testCases := []struct {
+		desc     string
+		apiKey   string
+		expected string
+	}{
+		{
+			desc:   "success",
+			apiKey: "key",
+		},
+		{
+			desc:     "missing API key",
+			expected: "limacity: APIKey is missing",
+		},
+	}
+
+	for _, test := range testCases {
+		t.Run(test.desc, func(t *testing.T) {
+			config := NewDefaultConfig()
+			config.APIKey = test.apiKey
+
+			p, err := NewDNSProviderConfig(config)
+
+			if test.expected == "" {
+				require.NoError(t, err)
+				require.NotNil(t, p)
+				require.NotNil(t, p.config)
+				require.NotNil(t, p.client)
+			} else {
+				require.EqualError(t, err, test.expected)
+			}
+		})
+	}
+}
+
+func TestLivePresent(t *testing.T) {
+	if !envTest.IsLiveTest() {
+		t.Skip("skipping live test")
+	}
+
+	envTest.RestoreEnv()
+	provider, err := NewDNSProvider()
+	require.NoError(t, err)
+
+	err = provider.Present(envTest.GetDomain(), "", "123d==")
+	require.NoError(t, err)
+}
+
+func TestLiveCleanUp(t *testing.T) {
+	if !envTest.IsLiveTest() {
+		t.Skip("skipping live test")
+	}
+
+	envTest.RestoreEnv()
+	provider, err := NewDNSProvider()
+	require.NoError(t, err)
+
+	err = provider.CleanUp(envTest.GetDomain(), "", "123d==")
+	require.NoError(t, err)
+}