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ntfy/server/smtp_server_test.go
2022-06-16 11:40:56 -04:00

316 lines
14 KiB
Go

package server
import (
"github.com/emersion/go-smtp"
"github.com/stretchr/testify/require"
"net"
"net/http"
"strings"
"testing"
)
func TestSmtpBackend_Multipart(t *testing.T) {
email := `MIME-Version: 1.0
Date: Tue, 28 Dec 2021 00:30:10 +0100
Message-ID: <CAAvm79YP0C=Rt1N=KWmSUBB87KK2rRChmdzKqF1vCwMEUiVzLQ@mail.gmail.com>
Subject: and one more
From: Phil <phil@example.com>
To: ntfy-mytopic@ntfy.sh
Content-Type: multipart/alternative; boundary="000000000000f3320b05d42915c9"
--000000000000f3320b05d42915c9
Content-Type: text/plain; charset="UTF-8"
what's up
--000000000000f3320b05d42915c9
Content-Type: text/html; charset="UTF-8"
<div dir="ltr">what&#39;s up<br clear="all"><div><br></div></div>
--000000000000f3320b05d42915c9--`
_, backend := newTestBackend(t, func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, "/mytopic", r.URL.Path)
require.Equal(t, "and one more", r.Header.Get("Title"))
require.Equal(t, "what's up", readAll(t, r.Body))
})
session, _ := backend.AnonymousLogin(fakeConnState(t, "1.2.3.4"))
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("ntfy-mytopic@ntfy.sh"))
require.Nil(t, session.Data(strings.NewReader(email)))
}
func TestSmtpBackend_MultipartNoBody(t *testing.T) {
email := `MIME-Version: 1.0
Date: Tue, 28 Dec 2021 01:33:34 +0100
Message-ID: <CAAvm7ABCDsi9vsuu0WTRXzZQBC8dXrDOLT8iCWdqrsmg@mail.gmail.com>
Subject: This email has a subject but no body
From: Phil <phil@example.com>
To: ntfy-emailtest@ntfy.sh
Content-Type: multipart/alternative; boundary="000000000000bcf4a405d429f8d4"
--000000000000bcf4a405d429f8d4
Content-Type: text/plain; charset="UTF-8"
--000000000000bcf4a405d429f8d4
Content-Type: text/html; charset="UTF-8"
<div dir="ltr"><br></div>
--000000000000bcf4a405d429f8d4--`
_, backend := newTestBackend(t, func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, "/emailtest", r.URL.Path)
require.Equal(t, "", r.Header.Get("Title")) // We flipped message and body
require.Equal(t, "This email has a subject but no body", readAll(t, r.Body))
})
session, _ := backend.AnonymousLogin(fakeConnState(t, "1.2.3.4"))
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("ntfy-emailtest@ntfy.sh"))
require.Nil(t, session.Data(strings.NewReader(email)))
}
func TestSmtpBackend_Plaintext(t *testing.T) {
email := `Date: Tue, 28 Dec 2021 00:30:10 +0100
Message-ID: <CAAvm79YP0C=Rt1N=KWmSUBB87KK2rRChmdzKqF1vCwMEUiVzLQ@mail.gmail.com>
Subject: and one more
From: Phil <phil@example.com>
To: mytopic@ntfy.sh
Content-Type: text/plain; charset="UTF-8"
what's up
`
conf, backend := newTestBackend(t, func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, "/mytopic", r.URL.Path)
require.Equal(t, "and one more", r.Header.Get("Title"))
require.Equal(t, "what's up", readAll(t, r.Body))
})
conf.SMTPServerAddrPrefix = ""
session, _ := backend.AnonymousLogin(fakeConnState(t, "1.2.3.4"))
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("mytopic@ntfy.sh"))
require.Nil(t, session.Data(strings.NewReader(email)))
}
func TestSmtpBackend_Plaintext_No_ContentType(t *testing.T) {
email := `Subject: Very short mail
what's up
`
conf, backend := newTestBackend(t, func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, "/mytopic", r.URL.Path)
require.Equal(t, "Very short mail", r.Header.Get("Title"))
require.Equal(t, "what's up", readAll(t, r.Body))
})
conf.SMTPServerAddrPrefix = ""
session, _ := backend.AnonymousLogin(fakeConnState(t, "1.2.3.4"))
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("mytopic@ntfy.sh"))
require.Nil(t, session.Data(strings.NewReader(email)))
}
func TestSmtpBackend_Plaintext_EncodedSubject(t *testing.T) {
email := `Date: Tue, 28 Dec 2021 00:30:10 +0100
Subject: =?UTF-8?B?VGhyZWUgc2FudGFzIPCfjoXwn46F8J+OhQ==?=
From: Phil <phil@example.com>
To: ntfy-mytopic@ntfy.sh
Content-Type: text/plain; charset="UTF-8"
what's up
`
_, backend := newTestBackend(t, func(w http.ResponseWriter, r *http.Request) {
require.Equal(t, "Three santas 🎅🎅🎅", r.Header.Get("Title"))
})
session, _ := backend.AnonymousLogin(fakeConnState(t, "1.2.3.4"))
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("ntfy-mytopic@ntfy.sh"))
require.Nil(t, session.Data(strings.NewReader(email)))
}
func TestSmtpBackend_Plaintext_TooLongTruncate(t *testing.T) {
email := `Date: Tue, 28 Dec 2021 00:30:10 +0100
Message-ID: <CAAvm79YP0C=Rt1N=KWmSUBB87KK2rRChmdzKqF1vCwMEUiVzLQ@mail.gmail.com>
Subject: and one more
From: Phil <phil@example.com>
To: mytopic@ntfy.sh
Content-Type: text/plain; charset="UTF-8"
you know this is a string.
it's a long string.
it's supposed to be longer than the max message length
which is 4096 bytes,
it used to be 512 bytes, but I increased that for the UnifiedPush support
the 512 bytes was a little short, some people said
but it kinda makes sense when you look at what it looks like one a phone
heck this wasn't even half of it so far.
so i'm gonna fill the rest of this with AAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAa
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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and with BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
that should do it
`
conf, backend := newTestBackend(t, func(w http.ResponseWriter, r *http.Request) {
expected := `you know this is a string.
it's a long string.
it's supposed to be longer than the max message length
which is 4096 bytes,
it used to be 512 bytes, but I increased that for the UnifiedPush support
the 512 bytes was a little short, some people said
but it kinda makes sense when you look at what it looks like one a phone
heck this wasn't even half of it so far.
so i'm gonna fill the rest of this with AAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAa
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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and with BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
BBBBBBBBBBBBBBBBBBBBBBBBB`
require.Equal(t, 4096, len(expected)) // Sanity check
require.Equal(t, expected, readAll(t, r.Body))
})
conf.SMTPServerAddrPrefix = ""
session, _ := backend.AnonymousLogin(fakeConnState(t, "1.2.3.4"))
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("mytopic@ntfy.sh"))
require.Nil(t, session.Data(strings.NewReader(email)))
}
func TestSmtpBackend_Unsupported(t *testing.T) {
email := `Date: Tue, 28 Dec 2021 00:30:10 +0100
Message-ID: <CAAvm79YP0C=Rt1N=KWmSUBB87KK2rRChmdzKqF1vCwMEUiVzLQ@mail.gmail.com>
Subject: and one more
From: Phil <phil@example.com>
To: mytopic@ntfy.sh
Content-Type: text/SOMETHINGELSE
what's up
`
conf, backend := newTestBackend(t, func(http.ResponseWriter, *http.Request) {
// Nothing.
})
conf.SMTPServerAddrPrefix = ""
session, _ := backend.Login(fakeConnState(t, "1.2.3.4"), "user", "pass")
require.Nil(t, session.Mail("phil@example.com", smtp.MailOptions{}))
require.Nil(t, session.Rcpt("mytopic@ntfy.sh"))
require.Equal(t, errUnsupportedContentType, session.Data(strings.NewReader(email)))
}
func newTestBackend(t *testing.T, handler func(http.ResponseWriter, *http.Request)) (*Config, *smtpBackend) {
conf := newTestConfig(t)
conf.SMTPServerListen = ":25"
conf.SMTPServerDomain = "ntfy.sh"
conf.SMTPServerAddrPrefix = "ntfy-"
backend := newMailBackend(conf, handler)
return conf, backend
}
func fakeConnState(t *testing.T, remoteAddr string) *smtp.ConnectionState {
ip, err := net.ResolveIPAddr("ip", remoteAddr)
if err != nil {
t.Fatal(err)
}
return &smtp.ConnectionState{
Hostname: "myhostname",
LocalAddr: ip,
RemoteAddr: ip,
}
}