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authorBen Burwell <ben@benburwell.com>2019-07-15 10:30:20 -0400
committerDrew DeVault <sir@cmpwn.com>2019-07-17 15:58:15 -0400
commiteb0481b9cc7d7cfff9d9c2e163bbe106eb2a0de4 (patch)
treec51650d3c53e380c3105d8da9aa18747a3c03fc1 /worker/maildir/message.go
parent8bb115dbae928111be52ed422dafb1caf72a744c (diff)
Fix header decoding
Email headers can be encoded with different charsets, which is signalled using a special character sequence. The go-message package provides two different methods for accessing header values, Get(key) (actually inherited from the embedded textproto.Header) which returns the raw header value and Text(key), which returns the header's value decoded as UTF-8. Before, in the maildir backend, we were using the Get method which sometimes resulted in encoded headers being displayed in the UI. This patch replaces the incorrect usage of Get() with Text().
Diffstat (limited to 'worker/maildir/message.go')
-rw-r--r--worker/maildir/message.go29
1 files changed, 16 insertions, 13 deletions
diff --git a/worker/maildir/message.go b/worker/maildir/message.go
index b95ec98..b732324 100644
--- a/worker/maildir/message.go
+++ b/worker/maildir/message.go
@@ -7,7 +7,6 @@ import (
"io"
"io/ioutil"
"mime/quotedprintable"
- gomail "net/mail"
"strings"
"github.com/emersion/go-maildir"
@@ -88,7 +87,7 @@ func (m Message) MessageInfo() (*models.MessageInfo, error) {
if err != nil {
return nil, fmt.Errorf("could not get structure: %v", err)
}
- env, err := parseEnvelope(&msg.Header)
+ env, err := parseEnvelope(&mail.Header{msg.Header})
if err != nil {
return nil, fmt.Errorf("could not get envelope: %v", err)
}
@@ -237,8 +236,8 @@ func parseEntityStructure(e *message.Entity) (*models.BodyStructure, error) {
return &body, nil
}
-func parseEnvelope(h *message.Header) (*models.Envelope, error) {
- date, err := gomail.ParseDate(h.Get("date"))
+func parseEnvelope(h *mail.Header) (*models.Envelope, error) {
+ date, err := h.Date()
if err != nil {
return nil, fmt.Errorf("could not parse date header: %v", err)
}
@@ -258,10 +257,18 @@ func parseEnvelope(h *message.Header) (*models.Envelope, error) {
if err != nil {
return nil, fmt.Errorf("could not read bcc address: %v", err)
}
+ subj, err := h.Subject()
+ if err != nil {
+ return nil, fmt.Errorf("could not read subject: %v", err)
+ }
+ msgID, err := h.Text("message-id")
+ if err != nil {
+ return nil, fmt.Errorf("could not read message id: %v", err)
+ }
return &models.Envelope{
Date: date,
- Subject: h.Get("subject"),
- MessageId: h.Get("message-id"),
+ Subject: subj,
+ MessageId: msgID,
From: from,
To: to,
Cc: cc,
@@ -269,15 +276,11 @@ func parseEnvelope(h *message.Header) (*models.Envelope, error) {
}, nil
}
-func parseAddressList(h *message.Header, key string) ([]*models.Address, error) {
+func parseAddressList(h *mail.Header, key string) ([]*models.Address, error) {
var converted []*models.Address
- hdr := h.Get(key)
- if strings.TrimSpace(hdr) == "" {
- return converted, nil
- }
- addrs, err := gomail.ParseAddressList(hdr)
+ addrs, err := h.AddressList(key)
if err != nil {
- if strings.Index(hdr, "@") < 0 {
+ if hdr, err := h.Text(key); err != nil && strings.Index(hdr, "@") < 0 {
return []*models.Address{&models.Address{
Name: hdr,
}}, nil