-
Notifications
You must be signed in to change notification settings - Fork 1.9k
/
app.go
272 lines (223 loc) · 7.51 KB
/
app.go
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
/*
Copyright 2021 The Dapr Authors
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"
"fmt"
"io"
"log"
"net/http"
"net/url"
"time"
"github.com/gorilla/mux"
"github.com/dapr/dapr/tests/apps/utils"
)
const appPort = 3000
// kubernetes is the name of the secret store
const (
/* #nosec */
secretURL = "http://localhost:3500/v1.0/secrets/%s/%s?metadata.namespace=dapr-tests"
)
var httpClient = utils.NewHTTPClient()
// daprSecret represents a secret in Dapr.
type daprSecret struct {
Key string `json:"key,omitempty"`
Store string `json:"store,omitempty"`
Value *map[string]string `json:"value,omitempty"`
}
// requestResponse represents a request or response for the APIs in this app.
type requestResponse struct {
StartTime int `json:"start_time,omitempty"`
EndTime int `json:"end_time,omitempty"`
Secrets []daprSecret `json:"secrets,omitempty"`
Message string `json:"message,omitempty"`
}
// indexHandler is the handler for root path
func indexHandler(w http.ResponseWriter, _ *http.Request) {
log.Println("indexHandler is called")
w.WriteHeader(http.StatusOK)
}
func get(key, store string) (*map[string]string, int, error) {
log.Printf("Processing get request for %s.", key)
url, err := createSecretURL(key, store)
if err != nil {
return nil, http.StatusInternalServerError, err
}
log.Printf("Fetching secret from %s", url)
// url is created from user input, it is OK since this is a test app only and will not run in prod.
/* #nosec */
res, err := httpClient.Get(url)
if err != nil {
return nil, http.StatusInternalServerError, fmt.Errorf("could not get value for key %s from Dapr: %s", key, err.Error())
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
return nil, http.StatusInternalServerError, fmt.Errorf("could not load value for key %s from Dapr: %s", key, err.Error())
}
if res.StatusCode != http.StatusOK {
log.Printf("Non 200 StatusCode: %d\n", res.StatusCode)
return nil, res.StatusCode, fmt.Errorf("got err response for key %s from Dapr: %s", key, body)
}
log.Printf("Found secret for key %s: %s", key, body)
secret := map[string]string{}
if len(body) == 0 {
return nil, http.StatusOK, nil
}
// a key not found in Dapr will return 200 but an empty response.
err = json.Unmarshal(body, &secret)
if err != nil {
return nil, http.StatusInternalServerError, fmt.Errorf("could not parse value for key %s from Dapr: %s", key, err.Error())
}
return &secret, http.StatusOK, nil
}
func getAll(secrets []daprSecret) ([]daprSecret, int, error) {
statusCode := http.StatusOK
log.Printf("Processing get request for %d secrets.", len(secrets))
output := make([]daprSecret, 0, len(secrets))
for _, secret := range secrets {
value, sc, err := get(secret.Key, secret.Store)
if err != nil {
return nil, sc, err
}
log.Printf("Result for get request for key %s: %v", secret.Key, value)
output = append(output, daprSecret{
Key: secret.Key,
Value: value,
Store: secret.Store,
})
statusCode = sc
}
log.Printf("Result for get request for %d secrets: %v", len(secrets), output)
return output, statusCode, nil
}
func getBulk(secrets []daprSecret) ([]daprSecret, int, error) {
if len(secrets) == 0 {
return nil, http.StatusBadRequest, fmt.Errorf("no secret store specified")
}
store := secrets[0].Store
log.Println("Processing get bulk request for secrerts.")
output := []daprSecret{}
url, err := createSecretURL("bulk", store)
if err != nil {
return nil, http.StatusInternalServerError, err
}
log.Printf("Fetching secret from %s", url)
// url is created from user input, it is OK since this is a test app only and will not run in prod.
/* #nosec */
res, err := httpClient.Get(url)
if err != nil {
return nil, http.StatusInternalServerError, fmt.Errorf("bulk get secret request faild %w", err)
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
return nil, http.StatusInternalServerError, fmt.Errorf("reading body of bulk get secret response failed %w", err)
}
if res.StatusCode != http.StatusOK {
log.Printf("Non 200 StatusCode: %d\n", res.StatusCode)
return nil, res.StatusCode, fmt.Errorf("got non-200 response for bulk get secret request from Dapr: %s", body)
}
resMap := map[string]map[string]string{}
if len(body) == 0 {
return nil, http.StatusOK, nil
}
// a key not found in Dapr will return 200 but an empty response.
err = json.Unmarshal(body, &resMap)
if err != nil {
return nil, http.StatusInternalServerError, fmt.Errorf("could not parse response for bulk get secret request from Dapr: %w", err)
}
for key, value := range resMap {
value := value
output = append(output, daprSecret{
Key: key,
Value: &value,
Store: store,
})
}
return output, http.StatusOK, nil
}
// handles all APIs
func handler(w http.ResponseWriter, r *http.Request) {
log.Printf("Processing request for %s", r.URL.RequestURI())
// Retrieve request body contents
var req requestResponse
err := json.NewDecoder(r.Body).Decode(&req)
if err != nil {
log.Printf("Could not parse request body: %s", err.Error())
w.WriteHeader(http.StatusBadRequest)
json.NewEncoder(w).Encode(requestResponse{
Message: err.Error(),
})
return
}
res := requestResponse{}
uri := r.URL.RequestURI()
var secrets []daprSecret
var statusCode int
res.StartTime = epoch()
cmd := mux.Vars(r)["command"]
switch cmd {
case "bulk":
// Only use req.Secrets for store name for bulk get
// Only req.Secrets[0] is used for key
secrets, statusCode, err = getBulk(req.Secrets)
res.Secrets = secrets
if statusCode != http.StatusOK {
res.Message = err.Error()
}
case "get":
secrets, statusCode, err = getAll(req.Secrets)
res.Secrets = secrets
if statusCode != http.StatusOK {
res.Message = err.Error()
}
default:
err = fmt.Errorf("invalid URI: %s", uri)
statusCode = http.StatusBadRequest
res.Message = err.Error()
}
res.EndTime = epoch()
if statusCode != http.StatusOK {
log.Printf("Error status code %v: %v", statusCode, res.Message)
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(statusCode)
json.NewEncoder(w).Encode(res)
}
func createSecretURL(key, store string) (string, error) {
url, err := url.Parse(fmt.Sprintf(secretURL, store, key))
if err != nil {
return "", fmt.Errorf("could not parse %s: %s", secretURL, err.Error())
}
return url.String(), nil
}
// epoch returns the current unix epoch timestamp
func epoch() int {
return int(time.Now().UnixMilli())
}
// appRouter initializes restful api router
func appRouter() http.Handler {
router := mux.NewRouter().StrictSlash(true)
// Log requests and their processing time
router.Use(utils.LoggerMiddleware)
router.HandleFunc("/", indexHandler).Methods("GET")
router.HandleFunc("/test/{command}", handler).Methods("POST")
router.Use(mux.CORSMethodMiddleware(router))
return router
}
func main() {
log.Printf("Secret App - listening on http://localhost:%d", appPort)
log.Printf("Secret endpoint - to be saved at %s", secretURL)
utils.StartServer(appPort, appRouter, true, false)
}