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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package mailservice
import (
"bytes"
"fmt"
"strings"
"testing"
"net/mail"
"net/smtp"
"github.com/mattermost/mattermost-server/model"
"github.com/mattermost/mattermost-server/services/filesstore"
"github.com/mattermost/mattermost-server/utils"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestMailConnectionFromConfig(t *testing.T) {
cfg, _, _, err := utils.LoadConfig("config.json")
require.Nil(t, err)
if conn, err := ConnectToSMTPServer(cfg); err != nil {
t.Log(err)
t.Fatal("Should connect to the STMP Server")
} else {
if _, err1 := NewSMTPClient(conn, cfg); err1 != nil {
t.Log(err)
t.Fatal("Should get new smtp client")
}
}
cfg.EmailSettings.SMTPServer = "wrongServer"
cfg.EmailSettings.SMTPPort = "553"
if _, err := ConnectToSMTPServer(cfg); err == nil {
t.Log(err)
t.Fatal("Should not to the STMP Server")
}
}
func TestMailConnectionAdvanced(t *testing.T) {
cfg, _, _, err := utils.LoadConfig("config.json")
require.Nil(t, err)
if conn, err := ConnectToSMTPServerAdvanced(
&SmtpConnectionInfo{
ConnectionSecurity: cfg.EmailSettings.ConnectionSecurity,
SkipCertVerification: *cfg.EmailSettings.SkipServerCertificateVerification,
SmtpServerName: cfg.EmailSettings.SMTPServer,
SmtpServerHost: cfg.EmailSettings.SMTPServer,
SmtpPort: cfg.EmailSettings.SMTPPort,
},
); err != nil {
t.Log(err)
t.Fatal("Should connect to the STMP Server")
} else {
if _, err1 := NewSMTPClientAdvanced(
conn,
utils.GetHostnameFromSiteURL(*cfg.ServiceSettings.SiteURL),
&SmtpConnectionInfo{
ConnectionSecurity: cfg.EmailSettings.ConnectionSecurity,
SkipCertVerification: *cfg.EmailSettings.SkipServerCertificateVerification,
SmtpServerName: cfg.EmailSettings.SMTPServer,
SmtpServerHost: cfg.EmailSettings.SMTPServer,
SmtpPort: cfg.EmailSettings.SMTPPort,
Auth: *cfg.EmailSettings.EnableSMTPAuth,
SmtpUsername: cfg.EmailSettings.SMTPUsername,
SmtpPassword: cfg.EmailSettings.SMTPPassword,
},
); err1 != nil {
t.Log(err)
t.Fatal("Should get new smtp client")
}
}
if _, err := ConnectToSMTPServerAdvanced(
&SmtpConnectionInfo{
ConnectionSecurity: cfg.EmailSettings.ConnectionSecurity,
SkipCertVerification: *cfg.EmailSettings.SkipServerCertificateVerification,
SmtpServerName: "wrongServer",
SmtpServerHost: "wrongServer",
SmtpPort: "553",
},
); err == nil {
t.Log(err)
t.Fatal("Should not to the STMP Server")
}
}
func TestSendMailUsingConfig(t *testing.T) {
cfg, _, _, err := utils.LoadConfig("config.json")
require.Nil(t, err)
utils.T = utils.GetUserTranslations("en")
var emailTo = "test@example.com"
var emailSubject = "Testing this email"
var emailBody = "This is a test from autobot"
//Delete all the messages before check the sample email
DeleteMailBox(emailTo)
if err := SendMailUsingConfig(emailTo, emailSubject, emailBody, cfg, true); err != nil {
t.Log(err)
t.Fatal("Should connect to the STMP Server")
} else {
//Check if the email was send to the right email address
var resultsMailbox JSONMessageHeaderInbucket
err := RetryInbucket(5, func() error {
var err error
resultsMailbox, err = GetMailBox(emailTo)
return err
})
if err != nil {
t.Log(err)
t.Log("No email was received, maybe due load on the server. Disabling this verification")
}
if err == nil && len(resultsMailbox) > 0 {
if !strings.ContainsAny(resultsMailbox[0].To[0], emailTo) {
t.Fatal("Wrong To recipient")
} else {
if resultsEmail, err := GetMessageFromMailbox(emailTo, resultsMailbox[0].ID); err == nil {
if !strings.Contains(resultsEmail.Body.Text, emailBody) {
t.Log(resultsEmail.Body.Text)
t.Fatal("Received message")
}
}
}
}
}
}
func TestSendMailUsingConfigAdvanced(t *testing.T) {
cfg, _, _, err := utils.LoadConfig("config.json")
require.Nil(t, err)
utils.T = utils.GetUserTranslations("en")
var mimeTo = "test@example.com"
var smtpTo = "test2@example.com"
var from = mail.Address{Name: "Nobody", Address: "nobody@mattermost.com"}
var emailSubject = "Testing this email"
var emailBody = "This is a test from autobot"
//Delete all the messages before check the sample email
DeleteMailBox(smtpTo)
fileBackend, err := filesstore.NewFileBackend(&cfg.FileSettings, true)
assert.Nil(t, err)
// create two files with the same name that will both be attached to the email
fileName := "file.txt"
filePath1 := fmt.Sprintf("test1/%s", fileName)
filePath2 := fmt.Sprintf("test2/%s", fileName)
fileContents1 := []byte("hello world")
fileContents2 := []byte("foo bar")
_, err = fileBackend.WriteFile(bytes.NewReader(fileContents1), filePath1)
assert.Nil(t, err)
_, err = fileBackend.WriteFile(bytes.NewReader(fileContents2), filePath2)
assert.Nil(t, err)
defer fileBackend.RemoveFile(filePath1)
defer fileBackend.RemoveFile(filePath2)
attachments := make([]*model.FileInfo, 2)
attachments[0] = &model.FileInfo{
Name: fileName,
Path: filePath1,
}
attachments[1] = &model.FileInfo{
Name: fileName,
Path: filePath2,
}
headers := make(map[string]string)
headers["TestHeader"] = "TestValue"
if err := SendMailUsingConfigAdvanced(mimeTo, smtpTo, from, emailSubject, emailBody, attachments, headers, cfg, true); err != nil {
t.Log(err)
t.Fatal("Should connect to the STMP Server")
} else {
//Check if the email was send to the right email address
var resultsMailbox JSONMessageHeaderInbucket
err := RetryInbucket(5, func() error {
var err error
resultsMailbox, err = GetMailBox(smtpTo)
return err
})
if err != nil {
t.Log(err)
t.Fatal("No emails found for address " + smtpTo)
}
if err == nil && len(resultsMailbox) > 0 {
if !strings.ContainsAny(resultsMailbox[0].To[0], smtpTo) {
t.Fatal("Wrong To recipient")
} else {
if resultsEmail, err := GetMessageFromMailbox(smtpTo, resultsMailbox[0].ID); err == nil {
if !strings.Contains(resultsEmail.Body.Text, emailBody) {
t.Log(resultsEmail.Body.Text)
t.Fatal("Received message")
}
// verify that the To header of the email message is set to the MIME recipient, even though we got it out of the SMTP recipient's email inbox
assert.Equal(t, mimeTo, resultsEmail.Header["To"][0])
// verify that the MIME from address is correct - unfortunately, we can't verify the SMTP from address
assert.Equal(t, from.String(), resultsEmail.Header["From"][0])
// check that the custom mime headers came through - header case seems to get mutated
assert.Equal(t, "TestValue", resultsEmail.Header["Testheader"][0])
// ensure that the attachments were successfully sent
assert.Len(t, resultsEmail.Attachments, 2)
assert.Equal(t, fileName, resultsEmail.Attachments[0].Filename)
assert.Equal(t, fileName, resultsEmail.Attachments[1].Filename)
attachment1 := string(resultsEmail.Attachments[0].Bytes)
attachment2 := string(resultsEmail.Attachments[1].Bytes)
if attachment1 == string(fileContents1) {
assert.Equal(t, attachment2, string(fileContents2))
} else if attachment1 == string(fileContents2) {
assert.Equal(t, attachment2, string(fileContents1))
} else {
assert.Fail(t, "Unrecognized attachment contents")
}
}
}
}
}
}
func TestAuthMethods(t *testing.T) {
auth := &authChooser{
connectionInfo: &SmtpConnectionInfo{
SmtpUsername: "test",
SmtpPassword: "fakepass",
SmtpServerName: "fakeserver",
SmtpServerHost: "fakeserver",
SmtpPort: "25",
},
}
tests := []struct {
desc string
server *smtp.ServerInfo
err string
}{
{
desc: "auth PLAIN success",
server: &smtp.ServerInfo{Name: "fakeserver:25", Auth: []string{"PLAIN"}, TLS: true},
},
{
desc: "auth PLAIN unencrypted connection fail",
server: &smtp.ServerInfo{Name: "fakeserver:25", Auth: []string{"PLAIN"}, TLS: false},
err: "unencrypted connection",
},
{
desc: "auth PLAIN wrong host name",
server: &smtp.ServerInfo{Name: "wrongServer:999", Auth: []string{"PLAIN"}, TLS: true},
err: "wrong host name",
},
{
desc: "auth LOGIN success",
server: &smtp.ServerInfo{Name: "fakeserver:25", Auth: []string{"LOGIN"}, TLS: true},
},
{
desc: "auth LOGIN unencrypted connection fail",
server: &smtp.ServerInfo{Name: "wrongServer:999", Auth: []string{"LOGIN"}, TLS: true},
err: "wrong host name",
},
{
desc: "auth LOGIN wrong host name",
server: &smtp.ServerInfo{Name: "fakeserver:25", Auth: []string{"LOGIN"}, TLS: false},
err: "unencrypted connection",
},
}
for i, test := range tests {
t.Run(test.desc, func(t *testing.T) {
_, _, err := auth.Start(test.server)
got := ""
if err != nil {
got = err.Error()
}
if got != test.err {
t.Errorf("%d. got error = %q; want %q", i, got, test.err)
}
})
}
}
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