/
provider_eml_target.go
88 lines (75 loc) · 2.42 KB
/
provider_eml_target.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
// Copyright (c) 2021 Proton Technologies AG
//
// This file is part of ProtonMail Bridge.
//
// ProtonMail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ProtonMail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
package transfer
import (
"io/ioutil"
"os"
"path/filepath"
"github.com/hashicorp/go-multierror"
)
// DefaultMailboxes returns the default mailboxes for default rules if no other is found.
func (p *EMLProvider) DefaultMailboxes(sourceMailbox Mailbox) []Mailbox {
return []Mailbox{{
Name: sourceMailbox.Name,
}}
}
// CreateMailbox does nothing. Folders are created dynamically during the import.
func (p *EMLProvider) CreateMailbox(mailbox Mailbox) (Mailbox, error) {
return mailbox, nil
}
// TransferFrom imports messages from channel.
func (p *EMLProvider) TransferFrom(rules transferRules, progress *Progress, ch <-chan Message) {
log.Info("Started transfer from channel to EML")
defer log.Info("Finished transfer from channel to EML")
err := p.createFolders(rules)
if err != nil {
progress.fatal(err)
return
}
for msg := range ch {
for progress.shouldStop() {
break
}
err := p.writeFile(msg)
progress.messageImported(msg.ID, "", err)
}
}
func (p *EMLProvider) createFolders(rules transferRules) error {
for rule := range rules.iterateActiveRules() {
for _, mailbox := range rule.TargetMailboxes {
path := filepath.Join(p.root, sanitizeFileName(mailbox.Name))
if err := os.MkdirAll(path, os.ModePerm); err != nil {
return err
}
}
}
return nil
}
func (p *EMLProvider) writeFile(msg Message) error {
fileName := sanitizeFileName(filepath.Base(msg.ID))
if filepath.Ext(fileName) != ".eml" {
fileName += ".eml"
}
var err error
for _, mailbox := range msg.Targets {
path := filepath.Join(p.root, mailbox.Name, fileName)
if localErr := ioutil.WriteFile(path, msg.Body, 0600); localErr != nil {
err = multierror.Append(err, localErr)
}
}
return err
}