/
send.go
executable file
·101 lines (96 loc) · 2.44 KB
/
send.go
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package gmail
import (
"fmt"
"github.com/davidforest123/goutil/basic/gerrors"
"github.com/davidforest123/goutil/sys/gtime"
gomail "github.com/go-mail/mail"
"strings"
"time"
)
// Provider can be null,
// if null, will try to parse built-in provider by From email address.
func Send(e Envelope, c SendContent, password string, p *Provider) error {
// Validate
if p == nil {
err := error(nil)
p, err = TryParseProvider(e.From.Email)
if err != nil {
return err
}
}
if err := p.Validate(); err != nil {
return err
}
if err := e.Validate(); err != nil {
return err
}
if len(password) == 0 {
return gerrors.Errorf("Send(): Empty password")
}
// Convert Envelope to gomail Message
msg := gomail.NewMessage()
msg.SetHeader("Subject", e.Subject)
msg.SetHeader("From", e.From.Email)
to := []string{}
for _, v := range e.To {
to = append(to, msg.FormatAddress(v.Email, v.Showname))
}
msg.SetHeader("To", to...)
cc := []string{}
for _, v := range e.Cc {
cc = append(cc, msg.FormatAddress(v.Email, v.Showname))
}
msg.SetHeader("Cc", cc...)
if c.BodyType == BodyTypeHTML {
msg.SetBody("text/html", c.BodyString)
} else {
msg.SetBody("text/plain", c.BodyString)
}
for _, v := range c.AttachmentsPath {
msg.Attach(v)
}
// Send the email
sndAddr, sndPort, ssl, err := p.GetSendServer()
if err != nil {
return err
}
loginname, err := e.From.LoginName()
if err != nil {
return err
}
domain, err := e.From.Domain()
if err != nil {
return err
}
// in ResellerClub free mail account, loginname should be complete email address
// send address: us2.smtp.mailhostbox.com
// login name: user@mydomain.com
if !strings.Contains(sndAddr, domain) {
loginname = e.From.Email
}
d := gomail.NewDialer(sndAddr, sndPort, loginname, password)
d.SSL = ssl
if !ssl { // this is required if no ssl/tls/starttls used in the remote mail server
d.StartTLSPolicy = gomail.NoStartTLS
}
if err := d.DialAndSend(msg); err != nil {
return err
}
return nil
}
// send to itself to test it
func TestAccount(addr, pwd string, p *Provider) error {
evn := Envelope{}
evn.From.Email = addr
evn.From.Showname = "email test"
to := AddrEdit{Email: addr, Showname: ""}
evn.To = append(evn.To, to)
evn.Subject = fmt.Sprintf("email test - %s", gtime.Today(time.Local).String())
content := SendContent{}
content.BodyString = "email test"
content.BodyType = BodyTypePlainText
if err := Send(evn, content, pwd, p); err != nil {
return err
}
return nil
}