File: nodes.go

package info (click to toggle)
goiardi 0.11.9-3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid
  • size: 2,728 kB
  • sloc: sql: 4,994; makefile: 156; sh: 95; python: 30
file content (134 lines) | stat: -rw-r--r-- 4,167 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
/* Node functions */

/*
 * Copyright (c) 2013-2017, 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/reqctx"
	"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 := reqctx.CtxReqUser(r.Context())
	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 http.MethodHead:
		permCheck := func(r *http.Request, nodeName string, opUser actor.Actor) util.Gerror {
			if opUser.IsValidator() {
				return headForbidden()
			}
			return nil
		}
		headChecking(w, r, opUser, nodeName, node.DoesExist, permCheck)
		return
	case http.MethodGet, http.MethodDelete:
		if opUser.IsValidator() || !opUser.IsAdmin() && r.Method == http.MethodDelete && !(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 == http.MethodDelete {
			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 http.MethodPut:
		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)
	}
}