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path: root/internal/api/nodeinfo/nodeinfoget.go
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/*
   GoToSocial
   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package nodeinfo

import (
	"encoding/json"
	"net/http"

	"github.com/gin-gonic/gin"
	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
)

// NodeInfo2GETHandler swagger:operation GET /nodeinfo/2.0 nodeInfoGet
//
// Returns a compliant nodeinfo response to node info queries.
//
// See: https://nodeinfo.diaspora.software/schema.html
//
//	---
//	tags:
//	- nodeinfo
//
//	produces:
//	- application/json; profile="http://nodeinfo.diaspora.software/ns/schema/2.0#"
//
//	responses:
//		'200':
//			schema:
//				"$ref": "#/definitions/nodeinfo"
func (m *Module) NodeInfo2GETHandler(c *gin.Context) {
	if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
		apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGetV1)
		return
	}

	nodeInfo, errWithCode := m.processor.Fedi().NodeInfoGet(c.Request.Context())
	if errWithCode != nil {
		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
		return
	}

	b, err := json.Marshal(nodeInfo)
	if err != nil {
		apiutil.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGetV1)
		return
	}

	c.Data(http.StatusOK, NodeInfo2ContentType, b)
}