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Merge pull request #21 from mattermost/mm-1225

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MM-1225 Adding check of email configuation settings when config file is loaded
This commit is contained in:
Corey Hulen 2015-06-17 10:04:29 -08:00
commit fbf60e109a
2 changed files with 76 additions and 37 deletions
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5
utils/config.go
View File

@ -222,6 +222,11 @@ func LoadConfig(fileName string) {
config.ServiceSettings.Domain = os.Getenv("MATTERMOST_DOMAIN")
}
// Validates our mail settings
if err := CheckMailSettings(); err != nil {
l4g.Error("Email settings are not valid err=%v", err)
}
configureLog(config.LogSettings)
Cfg = &config

108
utils/mail.go
View File

@ -13,6 +13,69 @@ import (
"net/smtp"
)
func CheckMailSettings() *model.AppError {
if len(Cfg.EmailSettings.SMTPServer) == 0 {
return model.NewAppError("CheckMailSettings", "No email settings present, mail will not be sent", "")
}
conn, err := connectToSMTPServer()
if err != nil {
return err
}
defer conn.Close()
c, err2 := newSMTPClient(conn)
if err2 != nil {
return err
}
defer c.Quit()
defer c.Close()
return nil
}
func connectToSMTPServer() (net.Conn, *model.AppError) {
host, _, _ := net.SplitHostPort(Cfg.EmailSettings.SMTPServer)
var conn net.Conn
var err error
if Cfg.EmailSettings.UseTLS {
tlsconfig := &tls.Config{
InsecureSkipVerify: true,
ServerName: host,
}
conn, err = tls.Dial("tcp", Cfg.EmailSettings.SMTPServer, tlsconfig)
if err != nil {
return nil, model.NewAppError("SendMail", "Failed to open TLS connection", err.Error())
}
} else {
conn, err = net.Dial("tcp", Cfg.EmailSettings.SMTPServer)
if err != nil {
return nil, model.NewAppError("SendMail", "Failed to open connection", err.Error())
}
}
return conn, nil
}
func newSMTPClient(conn net.Conn) (*smtp.Client, *model.AppError) {
host, _, _ := net.SplitHostPort(Cfg.EmailSettings.SMTPServer)
c, err := smtp.NewClient(conn, host)
if err != nil {
l4g.Error("Failed to open a connection to SMTP server %v", err)
return nil, model.NewAppError("SendMail", "Failed to open TLS connection", err.Error())
}
// GO does not support plain auth over a non encrypted connection.
// so if not tls then no auth
auth := smtp.PlainAuth("", Cfg.EmailSettings.SMTPUsername, Cfg.EmailSettings.SMTPPassword, host)
if Cfg.EmailSettings.UseTLS {
if err = c.Auth(auth); err != nil {
return nil, model.NewAppError("SendMail", "Failed to authenticate on SMTP server", err.Error())
}
}
return c, nil
}
func SendMail(to, subject, body string) *model.AppError {
fromMail := mail.Address{"", Cfg.EmailSettings.FeedbackEmail}
@ -36,53 +99,24 @@ func SendMail(to, subject, body string) *model.AppError {
return nil
}
host, _, _ := net.SplitHostPort(Cfg.EmailSettings.SMTPServer)
auth := smtp.PlainAuth("", Cfg.EmailSettings.SMTPUsername, Cfg.EmailSettings.SMTPPassword, host)
var conn net.Conn
var err error
if Cfg.EmailSettings.UseTLS {
tlsconfig := &tls.Config{
InsecureSkipVerify: true,
ServerName: host,
}
conn, err = tls.Dial("tcp", Cfg.EmailSettings.SMTPServer, tlsconfig)
if err != nil {
return model.NewAppError("SendMail", "Failed to open TLS connection", err.Error())
}
} else {
conn, err = net.Dial("tcp", Cfg.EmailSettings.SMTPServer)
if err != nil {
return model.NewAppError("SendMail", "Failed to open connection", err.Error())
}
conn, err1 := connectToSMTPServer()
if err1 != nil {
return err1
}
defer conn.Close()
c, err := smtp.NewClient(conn, host)
if err != nil {
l4g.Error("Failed to open a connection to SMTP server %v", err)
return model.NewAppError("SendMail", "Failed to open TLS connection", err.Error())
c, err2 := newSMTPClient(conn)
if err2 != nil {
return err2
}
defer c.Quit()
defer c.Close()
// GO does not support plain auth over a non encrypted connection.
// so if not tls then no auth
if Cfg.EmailSettings.UseTLS {
if err = c.Auth(auth); err != nil {
return model.NewAppError("SendMail", "Failed to authenticate on SMTP server", err.Error())
}
}
if err = c.Mail(fromMail.Address); err != nil {
if err := c.Mail(fromMail.Address); err != nil {
return model.NewAppError("SendMail", "Failed to add from email address", err.Error())
}
if err = c.Rcpt(toMail.Address); err != nil {
if err := c.Rcpt(toMail.Address); err != nil {
return model.NewAppError("SendMail", "Failed to add to email address", err.Error())
}