blob: 87306acdf1adead1a76d02331d661ada04d11dc4 (
plain)
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
|
package session
import (
"crypto/rand"
"encoding/base64"
"fmt"
"sync"
)
type UserSession struct {
Token string
Team string
}
// implemtation adapted from
// https://git.leonardobishop.net/confplanner/tree/pkg/session/memory.go
// TODO add expiry
type MemoryStore struct {
sessions map[string]*UserSession
lock sync.RWMutex
}
func NewMemoryStore() *MemoryStore {
return &MemoryStore{
sessions: make(map[string]*UserSession),
}
}
func (s *MemoryStore) GetByToken(token string) *UserSession {
if token == "" {
return nil
}
s.lock.RLock()
defer s.lock.RUnlock()
return s.sessions[token]
}
func (s *MemoryStore) Create(team string) (*UserSession, error) {
s.lock.Lock()
defer s.lock.Unlock()
var token string
for {
token = generateSessionToken()
_, tokenExists := s.sessions[token]
if !tokenExists {
break
}
}
session := &UserSession{
Token: token,
Team: team,
}
s.sessions[token] = session
return session, nil
}
func (s *MemoryStore) Destroy(token string) error {
s.lock.Lock()
defer s.lock.Unlock()
session := s.sessions[token]
if session == nil {
return fmt.Errorf("session does not exist")
}
delete(s.sessions, token)
return nil
}
func generateSessionToken() string {
b := make([]byte, 100)
if _, err := rand.Read(b); err != nil {
return ""
}
return base64.StdEncoding.EncodeToString(b)
}
|
