73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
package smtp
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import (
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"context"
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"io"
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"github.com/emersion/go-smtp"
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"github.com/getsentry/sentry-go"
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"github.com/jhillyerd/enmime"
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"gitlab.com/etke.cc/go/logger"
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"gitlab.com/etke.cc/postmoogle/utils"
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)
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type session struct {
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log *logger.Logger
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domain string
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client Client
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ctx context.Context
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to string
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from string
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}
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func (s *session) Mail(from string, opts smtp.MailOptions) error {
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sentry.GetHubFromContext(s.ctx).Scope().SetTag("from", from)
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s.from = from
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s.log.Debug("mail from %s, options: %+v", from, opts)
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return nil
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}
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func (s *session) Rcpt(to string) error {
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sentry.GetHubFromContext(s.ctx).Scope().SetTag("to", to)
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mappings, err := s.client.GetMappings(s.ctx)
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if err != nil {
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s.log.Error("cannot get mappings: %v", err)
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return err
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}
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s.log.Debug("mappings: %v", mappings)
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_, ok := mappings[utils.Mailbox(to)]
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if !ok {
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s.log.Debug("mapping for %s not found", to)
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return smtp.ErrAuthRequired
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}
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if utils.Hostname(to) != s.domain {
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s.log.Debug("wrong domain of %s", to)
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return smtp.ErrAuthRequired
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}
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s.to = to
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s.log.Debug("mail to %s", to)
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return nil
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}
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func (s *session) Data(r io.Reader) error {
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parser := enmime.NewParser()
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env, err := parser.ReadEnvelope(r)
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if err != nil {
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return err
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}
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text := env.Text
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if env.HTML != "" {
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text = env.HTML
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}
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return s.client.Send(s.from, s.to, env.GetHeader("Subject"), text)
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}
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func (s *session) Reset() {}
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func (s *session) Logout() error {
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return nil
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}
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