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
|
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package smtp
import (
"bufio"
"bytes"
"io"
"net/textproto"
"os"
"strings"
"testing"
)
type authTest struct {
auth Auth
challenges []string
name string
responses []string
}
var authTests = []authTest{
{PlainAuth("", "user", "pass", "testserver"), []string{}, "PLAIN", []string{"\x00user\x00pass"}},
{PlainAuth("foo", "bar", "baz", "testserver"), []string{}, "PLAIN", []string{"foo\x00bar\x00baz"}},
}
func TestAuth(t *testing.T) {
testLoop:
for i, test := range authTests {
name, resp, err := test.auth.Start(&ServerInfo{"testserver", true, nil})
if name != test.name {
t.Errorf("#%d got name %s, expected %s", i, name, test.name)
}
if !bytes.Equal(resp, []byte(test.responses[0])) {
t.Errorf("#%d got response %s, expected %s", i, resp, test.responses[0])
}
if err != nil {
t.Errorf("#%d error: %s", i, err.String())
}
for j := range test.challenges {
challenge := []byte(test.challenges[j])
expected := []byte(test.responses[j+1])
resp, err := test.auth.Next(challenge, true)
if err != nil {
t.Errorf("#%d error: %s", i, err.String())
continue testLoop
}
if !bytes.Equal(resp, expected) {
t.Errorf("#%d got %s, expected %s", i, resp, expected)
continue testLoop
}
}
}
}
type faker struct {
io.ReadWriter
}
func (f faker) Close() os.Error {
return nil
}
func TestBasic(t *testing.T) {
basicServer = strings.Join(strings.Split(basicServer, "\n", -1), "\r\n")
basicClient = strings.Join(strings.Split(basicClient, "\n", -1), "\r\n")
var cmdbuf bytes.Buffer
bcmdbuf := bufio.NewWriter(&cmdbuf)
var fake faker
fake.ReadWriter = bufio.NewReadWriter(bufio.NewReader(strings.NewReader(basicServer)), bcmdbuf)
c := &Client{Text: textproto.NewConn(fake)}
if err := c.helo(); err != nil {
t.Fatalf("HELO failed: %s", err.String())
}
if err := c.ehlo(); err == nil {
t.Fatalf("Expected first EHLO to fail")
}
if err := c.ehlo(); err != nil {
t.Fatalf("Second EHLO failed: %s", err.String())
}
if ok, args := c.Extension("aUtH"); !ok || args != "LOGIN PLAIN" {
t.Fatalf("Expected AUTH supported")
}
if ok, _ := c.Extension("DSN"); ok {
t.Fatalf("Shouldn't support DSN")
}
if err := c.Mail("user@gmail.com"); err == nil {
t.Fatalf("MAIL should require authentication")
}
if err := c.Verify("user1@gmail.com"); err == nil {
t.Fatalf("First VRFY: expected no verification")
}
if err := c.Verify("user2@gmail.com"); err != nil {
t.Fatalf("Second VRFY: expected verification, got %s", err)
}
// fake TLS so authentication won't complain
c.tls = true
c.serverName = "smtp.google.com"
if err := c.Auth(PlainAuth("", "user", "pass", "smtp.google.com")); err != nil {
t.Fatalf("AUTH failed: %s", err.String())
}
if err := c.Mail("user@gmail.com"); err != nil {
t.Fatalf("MAIL failed: %s", err.String())
}
if err := c.Rcpt("golang-nuts@googlegroups.com"); err != nil {
t.Fatalf("RCPT failed: %s", err.String())
}
msg := `From: user@gmail.com
To: golang-nuts@googlegroups.com
Subject: Hooray for Go
Line 1
.Leading dot line .
Goodbye.`
w, err := c.Data()
if err != nil {
t.Fatalf("DATA failed: %s", err.String())
}
if _, err := w.Write([]byte(msg)); err != nil {
t.Fatalf("Data write failed: %s", err.String())
}
if err := w.Close(); err != nil {
t.Fatalf("Bad data response: %s", err.String())
}
if err := c.Quit(); err != nil {
t.Fatalf("QUIT failed: %s", err.String())
}
bcmdbuf.Flush()
actualcmds := cmdbuf.String()
if basicClient != actualcmds {
t.Fatalf("Got:\n%s\nExpected:\n%s", actualcmds, basicClient)
}
}
var basicServer = `250 mx.google.com at your service
502 Unrecognized command.
250-mx.google.com at your service
250-SIZE 35651584
250-AUTH LOGIN PLAIN
250 8BITMIME
530 Authentication required
252 Send some mail, I'll try my best
250 User is valid
235 Accepted
250 Sender OK
250 Receiver OK
354 Go ahead
250 Data OK
221 OK
`
var basicClient = `HELO localhost
EHLO localhost
EHLO localhost
MAIL FROM:<user@gmail.com> BODY=8BITMIME
VRFY user1@gmail.com
VRFY user2@gmail.com
AUTH PLAIN AHVzZXIAcGFzcw==
MAIL FROM:<user@gmail.com> BODY=8BITMIME
RCPT TO:<golang-nuts@googlegroups.com>
DATA
From: user@gmail.com
To: golang-nuts@googlegroups.com
Subject: Hooray for Go
Line 1
..Leading dot line .
Goodbye.
.
QUIT
`
|
