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smtp.go
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smtp.go
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package servers
import (
"net"
"os"
"github.com/chrj/smtpd"
)
type SMTP struct {
listener net.Listener
server *smtpd.Server
Deliveries []smtpd.Envelope
HandlerCall struct {
Callback func()
Returns struct {
Error error
}
}
}
func NewSMTP() *SMTP {
return &SMTP{
server: &smtpd.Server{
Addr: "127.0.0.1:0",
},
Deliveries: make([]smtpd.Envelope, 0),
}
}
func (s *SMTP) Boot() {
var err error
s.listener, err = net.Listen("tcp", "127.0.0.1:0")
if err != nil {
panic(err)
}
s.server.Handler = s.Handler
go s.server.Serve(s.listener)
addr := s.listener.Addr().String()
host, port, err := net.SplitHostPort(addr)
if err != nil {
panic(err)
}
os.Setenv("SMTP_HOST", host)
os.Setenv("SMTP_PORT", port)
}
func (s *SMTP) Handler(peer smtpd.Peer, env smtpd.Envelope) error {
if s.HandlerCall.Callback != nil {
s.HandlerCall.Callback()
}
s.Deliveries = append(s.Deliveries, env)
return s.HandlerCall.Returns.Error
}
func (s *SMTP) Reset() {
s.Deliveries = []smtpd.Envelope{}
s.HandlerCall.Returns.Error = nil
s.HandlerCall.Callback = nil
}
func (s *SMTP) Close() {
s.listener.Close()
}