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[PLT-1015] Make all Mattermost system emails Multi-Part, with both a HTML and Plain Text version. (#5698)

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* Implementation to Make all Mattermost system emails Multi-Part, with both a HTML and Plain Text version

* update lib

* update code per review

* update to use the mattermost repo
Этот коммит содержится в:
Carlos Tadeu Panato Junior
2017-08-21 15:31:13 -03:00
коммит произвёл Christopher Speller
родитель 65ccd4afb2
Коммит 12a9180807
5 изменённых файлов: 30 добавлений и 26 удалений
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47
utils/mail.go
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@@ -5,14 +5,16 @@ package utils
import (
"crypto/tls"
"fmt"
"mime"
"net"
"net/mail"
"net/smtp"
"time"
"gopkg.in/gomail.v2"
l4g "github.com/alecthomas/log4go"
"github.com/mattermost/html2text"
"github.com/mattermost/platform/model"
)
@@ -99,34 +101,38 @@ func TestConnection(config *model.Config) {
defer c.Close()
}
func SendMail(to, subject, body string) *model.AppError {
return SendMailUsingConfig(to, subject, body, Cfg)
func SendMail(to, subject, htmlBody string) *model.AppError {
return SendMailUsingConfig(to, subject, htmlBody, Cfg)
}
func SendMailUsingConfig(to, subject, body string, config *model.Config) *model.AppError {
func SendMailUsingConfig(to, subject, htmlBody string, config *model.Config) *model.AppError {
if !config.EmailSettings.SendEmailNotifications || len(config.EmailSettings.SMTPServer) == 0 {
return nil
}
l4g.Debug(T("utils.mail.send_mail.sending.debug"), to, subject)
htmlMessage := "\r\n<html><body>" + htmlBody + "</body></html>"
fromMail := mail.Address{Name: config.EmailSettings.FeedbackName, Address: config.EmailSettings.FeedbackEmail}
toMail := mail.Address{Name: "", Address: to}
headers := make(map[string]string)
headers["From"] = fromMail.String()
headers["To"] = toMail.String()
headers["Subject"] = encodeRFC2047Word(subject)
headers["MIME-version"] = "1.0"
headers["Content-Type"] = "text/html; charset=\"utf-8\""
headers["Content-Transfer-Encoding"] = "8bit"
headers["Date"] = time.Now().Format(time.RFC1123Z)
message := ""
for k, v := range headers {
message += fmt.Sprintf("%s: %s\r\n", k, v)
txtBody, err := html2text.FromString(htmlBody)
if err != nil {
l4g.Warn(err)
txtBody = ""
}
message += "\r\n<html><body>" + body + "</body></html>"
m := gomail.NewMessage(gomail.SetCharset("UTF-8"))
m.SetHeaders(map[string][]string{
"From": {fromMail.String()},
"To": {to},
"Subject": {encodeRFC2047Word(subject)},
"Content-Transfer-Encoding": {"8bit"},
})
m.SetDateHeader("Date", time.Now())
m.SetBody("text/plain", txtBody)
m.AddAlternative("text/html", htmlMessage)
conn, err1 := connectToSMTPServer(config)
if err1 != nil {
@@ -145,7 +151,7 @@ func SendMailUsingConfig(to, subject, body string, config *model.Config) *model.
return model.NewLocAppError("SendMail", "utils.mail.send_mail.from_address.app_error", nil, err.Error())
}
if err := c.Rcpt(toMail.Address); err != nil {
if err := c.Rcpt(to); err != nil {
return model.NewLocAppError("SendMail", "utils.mail.send_mail.to_address.app_error", nil, err.Error())
}
@@ -154,11 +160,10 @@ func SendMailUsingConfig(to, subject, body string, config *model.Config) *model.
return model.NewLocAppError("SendMail", "utils.mail.send_mail.msg_data.app_error", nil, err.Error())
}
_, err = w.Write([]byte(message))
_, err = m.WriteTo(w)
if err != nil {
return model.NewLocAppError("SendMail", "utils.mail.send_mail.msg.app_error", nil, err.Error())
}
err = w.Close()
if err != nil {
return model.NewLocAppError("SendMail", "utils.mail.send_mail.close.app_error", nil, err.Error())