forked from rosstimothy/sasl
-
Notifications
You must be signed in to change notification settings - Fork 0
/
example_plain_test.go
97 lines (80 loc) · 2.37 KB
/
example_plain_test.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
// Copyright 2016 Sam Whited.
// Use of this source code is governed by the BSD 2-clause license that can be
// found in the LICENSE file.
package sasl_test
import (
"fmt"
"github.com/ctrix/sasl"
)
func Example_plainSuccess() {
const (
username = "miranda"
password = "pencil"
)
creds := sasl.Credentials(func() ([]byte, []byte, []byte) {
// In a real auth system this would probably be user input.
return []byte(username), []byte(password), []byte{}
})
server := sasl.NewServer(sasl.Plain, func(n *sasl.Negotiator) bool {
user, pass, ident := n.Credentials()
// In a real auth system you might want to consider a constant time
// comparison and this would probably involve hashing and a database lookup.
if len(ident) == 0 && string(user) == username && string(pass) == password {
fmt.Println("auth success!")
return true
}
fmt.Println("auth failed!")
return false
}, creds)
client := sasl.NewClient(sasl.Plain, creds)
_, resp, err := client.Step(nil)
if err != nil {
fmt.Println(err)
return
}
// Normally the response would come from the network, not from a client on the
// same machine.
_, resp, err = server.Step(resp)
if err != nil {
fmt.Println(err)
return
}
// Output: auth success!
}
func Example_plainFailure() {
const (
username = "miranda"
password = "pencil"
)
creds := sasl.Credentials(func() ([]byte, []byte, []byte) {
return []byte(username), []byte(password), []byte{}
})
server := sasl.NewServer(sasl.Plain, func(n *sasl.Negotiator) bool {
user, pass, ident := n.Credentials()
// In a real auth system you might want to consider a constant time
// comparison and this would probably involve hashing and a database lookup.
if len(ident) == 0 && string(user) == username && string(pass) == password {
fmt.Println("auth success!")
return true
}
fmt.Println("auth failed!")
return false
}, creds)
client := sasl.NewClient(sasl.Plain, sasl.Credentials(func() ([]byte, []byte, []byte) {
// In a real auth system this would probably be user input.
return []byte(username), []byte("password!"), []byte{}
}))
_, resp, err := client.Step(nil)
if err != nil {
fmt.Println(err)
return
}
// Normally the response would come from the network, not from a client on the
// same machine.
_, resp, err = server.Step(resp)
if err != sasl.ErrAuthn {
fmt.Println(err)
return
}
// Output: auth failed!
}