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config.go
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config.go
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//go:build !js
// +build !js
package server
import (
"encoding/json"
"fmt"
"net/http"
"github.com/go-chi/chi/v5"
"gitlab.com/flimzy/httpe"
"github.com/go-kivik/kivik/v4/internal"
"github.com/go-kivik/kivik/v4/x/server/config"
)
const nodeLocal = "_local"
func (s *Server) allConfig() httpe.HandlerWithError {
return httpe.HandlerWithErrorFunc(func(w http.ResponseWriter, r *http.Request) error {
if node := chi.URLParam(r, "node-name"); node != nodeLocal {
return &internal.Error{Status: http.StatusNotFound, Message: fmt.Sprintf("no such node: %s", node)}
}
conf, err := s.config.All(r.Context())
if err != nil {
return err
}
return serveJSON(w, http.StatusOK, conf)
})
}
func (s *Server) configSection() httpe.HandlerWithError {
return httpe.HandlerWithErrorFunc(func(w http.ResponseWriter, r *http.Request) error {
if node := chi.URLParam(r, "node-name"); node != nodeLocal {
return &internal.Error{Status: http.StatusNotFound, Message: fmt.Sprintf("no such node: %s", node)}
}
section, err := s.config.Section(r.Context(), chi.URLParam(r, "section"))
if err != nil {
return err
}
return serveJSON(w, http.StatusOK, section)
})
}
func (s *Server) configKey() httpe.HandlerWithError {
return httpe.HandlerWithErrorFunc(func(w http.ResponseWriter, r *http.Request) error {
if node := chi.URLParam(r, "node-name"); node != nodeLocal {
return &internal.Error{Status: http.StatusNotFound, Message: fmt.Sprintf("no such node: %s", node)}
}
key, err := s.config.Key(r.Context(), chi.URLParam(r, "section"), chi.URLParam(r, "key"))
if err != nil {
return err
}
return serveJSON(w, http.StatusOK, key)
})
}
func (s *Server) reloadConfig() httpe.HandlerWithError {
return httpe.HandlerWithErrorFunc(func(w http.ResponseWriter, r *http.Request) error {
if node := chi.URLParam(r, "node-name"); node != nodeLocal {
return &internal.Error{Status: http.StatusNotFound, Message: fmt.Sprintf("no such node: %s", node)}
}
if err := s.config.Reload(r.Context()); err != nil {
return err
}
return serveJSON(w, http.StatusOK, map[string]bool{"ok": true})
})
}
func (s *Server) setConfigKey() httpe.HandlerWithError {
return httpe.HandlerWithErrorFunc(func(w http.ResponseWriter, r *http.Request) error {
if node := chi.URLParam(r, "node-name"); node != nodeLocal {
return &internal.Error{Status: http.StatusNotFound, Message: fmt.Sprintf("no such node: %s", node)}
}
confWriter, ok := s.config.(config.Writer)
if !ok {
return &internal.Error{Status: http.StatusMethodNotAllowed, Message: "configuration is read-only"}
}
var newValue string
if err := json.NewDecoder(r.Body).Decode(&newValue); err != nil {
return &internal.Error{Status: http.StatusBadRequest, Err: err}
}
oldValue, err := confWriter.SetKey(r.Context(), chi.URLParam(r, "section"), chi.URLParam(r, "key"), newValue)
if err != nil {
return err
}
return serveJSON(w, http.StatusOK, oldValue)
})
}
func (s *Server) deleteConfigKey() httpe.HandlerWithError {
return httpe.HandlerWithErrorFunc(func(w http.ResponseWriter, r *http.Request) error {
if node := chi.URLParam(r, "node-name"); node != nodeLocal {
return &internal.Error{Status: http.StatusNotFound, Message: fmt.Sprintf("no such node: %s", node)}
}
confWriter, ok := s.config.(config.Writer)
if !ok {
return &internal.Error{Status: http.StatusMethodNotAllowed, Message: "configuration is read-only"}
}
oldValue, err := confWriter.Delete(r.Context(), chi.URLParam(r, "section"), chi.URLParam(r, "key"))
if err != nil {
return err
}
return serveJSON(w, http.StatusOK, oldValue)
})
}