From ded1372023f408303eb5d0d9bb6f4339c88e8429 Mon Sep 17 00:00:00 2001
From: Shulhan <ms@kilabit.info>
Date: Mon, 16 May 2022 02:09:16 +0700
Subject: all: add new HTTP API to get all zones

The HTTP API has the following format,

  GET /api/zone.d

On success, it will return HTTP status code 200 with all zone formatted
as JSON in the body.
---
 httpd.go | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/httpd.go b/httpd.go
index 0f05c43..bd491ff 100644
--- a/httpd.go
+++ b/httpd.go
@@ -221,6 +221,17 @@ func (srv *Server) httpdRegisterEndpoints() (err error) {
 		return err
 	}
 
+	err = srv.httpd.RegisterEndpoint(&libhttp.Endpoint{
+		Method:       libhttp.RequestMethodGet,
+		Path:         apiZoned,
+		RequestType:  libhttp.RequestTypeNone,
+		ResponseType: libhttp.ResponseTypeJSON,
+		Call:         srv.apiZoned,
+	})
+	if err != nil {
+		return err
+	}
+
 	err = srv.httpd.RegisterEndpoint(&libhttp.Endpoint{
 		Method:       libhttp.RequestMethodPost,
 		Path:         apiZoned,
@@ -960,6 +971,37 @@ func (srv *Server) apiHostsdRecordDelete(epr *libhttp.EndpointRequest) (resbody
 	return json.Marshal(&res)
 }
 
+// apiZoned return all zone files in JSON format.
+//
+// # Request
+//
+//	GET /api/zone.d
+//
+// # Response
+//
+// On success, it will return HTTP status code 200 with all zone formatted as
+// JSON in the body,
+//
+//	Content-Type: application/json
+//
+//	{
+//		"code": 200,
+//		"data": {
+//			"<zone name>: <dns.Zone>,
+//			...
+//		}
+//	}
+func (srv *Server) apiZoned(epr *libhttp.EndpointRequest) (resb []byte, err error) {
+	var (
+		res = libhttp.EndpointResponse{}
+	)
+
+	res.Code = http.StatusOK
+	res.Data = srv.env.Zones
+	resb, err = json.Marshal(&res)
+	return resb, err
+}
+
 func (srv *Server) apiZonedCreate(epr *libhttp.EndpointRequest) (resb []byte, err error) {
 	var (
 		res      = libhttp.EndpointResponse{}
-- 
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