/
subscriber.go
80 lines (67 loc) · 2.14 KB
/
subscriber.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
//
// Copyright The Athenz 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 sds
import (
"github.com/google/uuid"
"log"
"strconv"
)
type Subscriber struct {
id string
certUpdChan chan bool
responseNonce string
versionNumber int
}
func NewSubscriber() *Subscriber {
return &Subscriber{
id: uuid.New().String(),
certUpdChan: make(chan bool, 1),
}
}
func (subscriber *Subscriber) Close() {
close(subscriber.certUpdChan)
}
func (subscriber *Subscriber) GetId() string {
return subscriber.id
}
func (subscriber *Subscriber) ValidateResponseNonce(responseNonce string) bool {
if subscriber.responseNonce != "" && subscriber.responseNonce != responseNonce {
log.Printf("ValidateResponseNonce: %s: nonce mismatch: subscriber: %s, request: %s\n", subscriber.id, subscriber.responseNonce, responseNonce)
return false
}
return true
}
func (subscriber *Subscriber) ValidateVersionInfo(versionInfo string) bool {
if subscriber.versionNumber != 0 && strconv.Itoa(subscriber.versionNumber) != versionInfo {
log.Printf("ValidateVersionInfo: %s: version info mismatch: subscriber: %d, request: %s\n", subscriber.id, subscriber.versionNumber, versionInfo)
}
return true
}
func (subscriber *Subscriber) IncrementVersion() {
subscriber.versionNumber++
}
func (subscriber *Subscriber) GetVersionInfo() string {
return strconv.Itoa(subscriber.versionNumber)
}
func (subscriber *Subscriber) SetResponseNonce(nonce string) {
subscriber.responseNonce = nonce
}
func (subscriber *Subscriber) GetCertUpdates() chan bool {
return subscriber.certUpdChan
}
func (subscriber *Subscriber) Notify() {
subscriber.certUpdChan <- true
}