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hubs.go
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/
hubs.go
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/*
* Copyright 2019 InfAI (CC SES)
*
* 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.
*/
package api
import (
"encoding/json"
"github.com/SENERGY-Platform/device-repository/lib/api/util"
"github.com/SENERGY-Platform/device-repository/lib/config"
"github.com/SENERGY-Platform/device-repository/lib/model"
"github.com/SENERGY-Platform/models/go/models"
"github.com/julienschmidt/httprouter"
"log"
"net/http"
"strconv"
)
func init() {
endpoints = append(endpoints, HubEndpoints)
}
func HubEndpoints(config config.Config, control Controller, router *httprouter.Router) {
resource := "/hubs"
//use 'p' query parameter to limit selection to a permission;
// used internally to guarantee that user has needed permission for the resource
// example: 'p=x' guaranties the user has execution rights
router.GET(resource+"/:id", func(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
id := params.ByName("id")
permission := model.AuthAction(request.URL.Query().Get("p"))
if permission == "" {
permission = model.READ
}
result, err, errCode := control.ReadHub(id, util.GetAuthToken(request), permission)
if err != nil {
http.Error(writer, err.Error(), errCode)
return
}
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
err = json.NewEncoder(writer).Encode(result)
if err != nil {
log.Println("ERROR: unable to encode response", err)
}
return
})
//use 'p' query parameter to limit selection to a permission;
// used internally to guarantee that user has needed permission for the resource
// example: 'p=x' guaranties the user has execution rights
//use 'as' query parameter to decide if a list of device.Id or device.LocalId should be returned
// default is LocalId
// allowed values are 'id', 'local_id' and 'localId'
router.GET(resource+"/:id/devices", func(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
id := params.ByName("id")
permission := model.AuthAction(request.URL.Query().Get("p"))
if permission == "" {
permission = model.READ
}
var asLocalId bool
asParam := request.URL.Query().Get("as")
switch asParam {
case "":
asLocalId = true
case "id":
asLocalId = false
case "localId":
asLocalId = true
case "local_id":
asLocalId = true
default:
http.Error(writer, "expect 'id', 'localId' or 'local_id' as value for 'as' query-parameter if it is used", http.StatusBadRequest)
return
}
result, err, errCode := control.ListHubDeviceIds(id, util.GetAuthToken(request), permission, asLocalId)
if err != nil {
http.Error(writer, err.Error(), errCode)
return
}
writer.Header().Set("Content-Type", "application/json; charset=utf-8")
err = json.NewEncoder(writer).Encode(result)
if err != nil {
log.Println("ERROR: unable to encode response", err)
}
return
})
//use 'p' query parameter to limit selection to a permission;
// used internally to guarantee that user has needed permission for the resource
// example: 'p=x' guaranties the user has execution rights
router.HEAD(resource+"/:id", func(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
permission := model.AuthAction(request.URL.Query().Get("p"))
if permission == "" {
permission = model.READ
}
id := params.ByName("id")
_, _, errCode := control.ReadHub(id, util.GetAuthToken(request), permission)
writer.WriteHeader(errCode)
return
})
router.PUT(resource, func(writer http.ResponseWriter, request *http.Request, params httprouter.Params) {
dryRun, err := strconv.ParseBool(request.URL.Query().Get("dry-run"))
if err != nil {
http.Error(writer, err.Error(), http.StatusBadRequest)
return
}
if !dryRun {
http.Error(writer, "only with query-parameter 'dry-run=true' allowed", http.StatusNotImplemented)
return
}
hub := models.Hub{}
err = json.NewDecoder(request.Body).Decode(&hub)
if err != nil {
http.Error(writer, err.Error(), http.StatusBadRequest)
return
}
err, code := control.ValidateHub(hub)
if err != nil {
http.Error(writer, err.Error(), code)
return
}
writer.WriteHeader(http.StatusOK)
})
}