From d897eeee5c4d163891d0b6a8f85d328ccada7575 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Mon, 16 Dec 2019 12:51:42 +0100
Subject: Introduce base plugin

This plugin offers base IMAP/SMTP functionality.

References: https://todo.sr.ht/~sircmpwn/koushin/39
---
 smtp.go | 109 ++--------------------------------------------------------------
 1 file changed, 3 insertions(+), 106 deletions(-)

(limited to 'smtp.go')

diff --git a/smtp.go b/smtp.go
index b9d77b2..0eabf4d 100644
--- a/smtp.go
+++ b/smtp.go
@@ -1,31 +1,16 @@
 package koushin
 
 import (
-	"bufio"
 	"fmt"
-	"io"
-	"strings"
-	"time"
 
-	"github.com/emersion/go-message/mail"
 	"github.com/emersion/go-smtp"
 )
 
-func quote(r io.Reader) (string, error) {
-	scanner := bufio.NewScanner(r)
-	var builder strings.Builder
-	for scanner.Scan() {
-		builder.WriteString("> ")
-		builder.Write(scanner.Bytes())
-		builder.WriteString("\n")
+func (s *Server) dialSMTP() (*smtp.Client, error) {
+	if s.smtp.host == "" {
+		return nil, fmt.Errorf("SMTP is disabled")
 	}
-	if err := scanner.Err(); err != nil {
-		return "", fmt.Errorf("quote: failed to read original message: %s", err)
-	}
-	return builder.String(), nil
-}
 
-func (s *Server) connectSMTP() (*smtp.Client, error) {
 	var c *smtp.Client
 	var err error
 	if s.smtp.tls {
@@ -48,91 +33,3 @@ func (s *Server) connectSMTP() (*smtp.Client, error) {
 
 	return c, err
 }
-
-type OutgoingMessage struct {
-	From      string
-	To        []string
-	Subject   string
-	InReplyTo string
-	Text      string
-}
-
-func (msg *OutgoingMessage) ToString() string {
-	return strings.Join(msg.To, ", ")
-}
-
-func (msg *OutgoingMessage) WriteTo(w io.Writer) error {
-	from := []*mail.Address{{"", msg.From}}
-
-	to := make([]*mail.Address, len(msg.To))
-	for i, addr := range msg.To {
-		to[i] = &mail.Address{"", addr}
-	}
-
-	var h mail.Header
-	h.SetDate(time.Now())
-	h.SetAddressList("From", from)
-	h.SetAddressList("To", to)
-	if msg.Subject != "" {
-		h.SetText("Subject", msg.Subject)
-	}
-	if msg.InReplyTo != "" {
-		h.Set("In-Reply-To", msg.InReplyTo)
-	}
-
-	mw, err := mail.CreateWriter(w, h)
-	if err != nil {
-		return fmt.Errorf("failed to create mail writer: %v", err)
-	}
-
-	var th mail.InlineHeader
-	th.Set("Content-Type", "text/plain; charset=utf-8")
-
-	tw, err := mw.CreateSingleInline(th)
-	if err != nil {
-		return fmt.Errorf("failed to create text part: %v", err)
-	}
-	defer tw.Close()
-
-	if _, err := io.WriteString(tw, msg.Text); err != nil {
-		return fmt.Errorf("failed to write text part: %v", err)
-	}
-
-	if err := tw.Close(); err != nil {
-		return fmt.Errorf("failed to close text part: %v", err)
-	}
-
-	if err := mw.Close(); err != nil {
-		return fmt.Errorf("failed to close mail writer: %v", err)
-	}
-
-	return nil
-}
-
-func sendMessage(c *smtp.Client, msg *OutgoingMessage) error {
-	if err := c.Mail(msg.From, nil); err != nil {
-		return fmt.Errorf("MAIL FROM failed: %v", err)
-	}
-
-	for _, to := range msg.To {
-		if err := c.Rcpt(to); err != nil {
-			return fmt.Errorf("RCPT TO failed: %v", err)
-		}
-	}
-
-	w, err := c.Data()
-	if err != nil {
-		return fmt.Errorf("DATA failed: %v", err)
-	}
-	defer w.Close()
-
-	if err := msg.WriteTo(w); err != nil {
-		return fmt.Errorf("failed to write outgoing message: %v", err)
-	}
-
-	if err := w.Close(); err != nil {
-		return fmt.Errorf("failed to close SMTP data writer: %v", err)
-	}
-
-	return nil
-}
-- 
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