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/* Node functions */
/*
* Copyright (c) 2013-2016, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* 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 main
import (
"encoding/json"
"github.com/ctdk/goiardi/actor"
"github.com/ctdk/goiardi/client"
"github.com/ctdk/goiardi/loginfo"
"github.com/ctdk/goiardi/node"
"github.com/ctdk/goiardi/util"
"net/http"
)
func nodeHandler(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
nodeName := r.URL.Path[7:]
opUser, oerr := actor.GetReqUser(r.Header.Get("X-OPS-USERID"))
if oerr != nil {
jsonErrorReport(w, r, oerr.Error(), oerr.Status())
return
}
/* So, what are we doing? Depends on the HTTP method, of course */
switch r.Method {
case "GET", "DELETE":
if opUser.IsValidator() || !opUser.IsAdmin() && r.Method == "DELETE" && !(opUser.IsClient() && opUser.(*client.Client).NodeName == nodeName) {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
chefNode, nerr := node.Get(nodeName)
if nerr != nil {
jsonErrorReport(w, r, nerr.Error(), http.StatusNotFound)
return
}
enc := json.NewEncoder(w)
if err := enc.Encode(&chefNode); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if r.Method == "DELETE" {
err := chefNode.Delete()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, chefNode, "delete"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
}
case "PUT":
if !opUser.IsAdmin() && !(opUser.IsClient() && opUser.(*client.Client).NodeName == nodeName) {
jsonErrorReport(w, r, "You are not allowed to perform this action", http.StatusForbidden)
return
}
nodeData, jerr := parseObjJSON(r.Body)
if jerr != nil {
jsonErrorReport(w, r, jerr.Error(), http.StatusBadRequest)
return
}
chefNode, kerr := node.Get(nodeName)
if kerr != nil {
jsonErrorReport(w, r, kerr.Error(), http.StatusNotFound)
return
}
/* If nodeName and nodeData["name"] don't match, we
* need to make a new node. Make sure that node doesn't
* exist. */
if _, found := nodeData["name"]; !found {
nodeData["name"] = nodeName
}
jsonName, sterr := util.ValidateAsString(nodeData["name"])
if sterr != nil {
jsonErrorReport(w, r, sterr.Error(), http.StatusBadRequest)
return
}
if nodeName != jsonName && jsonName != "" {
jsonErrorReport(w, r, "Node name mismatch.", http.StatusBadRequest)
return
}
if jsonName == "" {
nodeData["name"] = nodeName
}
nerr := chefNode.UpdateFromJSON(nodeData)
if nerr != nil {
jsonErrorReport(w, r, nerr.Error(), nerr.Status())
return
}
err := chefNode.Save()
if err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
return
}
if lerr := loginfo.LogEvent(opUser, chefNode, "modify"); lerr != nil {
jsonErrorReport(w, r, lerr.Error(), http.StatusInternalServerError)
return
}
enc := json.NewEncoder(w)
if err = enc.Encode(&chefNode); err != nil {
jsonErrorReport(w, r, err.Error(), http.StatusInternalServerError)
}
default:
jsonErrorReport(w, r, "Unrecognized method!", http.StatusMethodNotAllowed)
}
}
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