60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
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package imaputils
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import (
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"crypto/tls"
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"errors"
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"fmt"
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"os"
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"git.lattuga.net/blallo/papero/config"
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"github.com/emersion/go-imap/client"
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)
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var ErrUnencrypted = errors.New("the connection is unencrypted")
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type IMAPConnection struct {
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config *config.AccountData
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client *client.Client
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}
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func NewConnection(conf *config.AccountData) *IMAPConnection {
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conn := &IMAPConnection{}
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conn.config = conf
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return conn
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}
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func (c *IMAPConnection) Start(debug bool) error {
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var err error
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c.client, err = tryConnection(c.config.Host, c.config.Port)
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if err != nil {
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// TODO: allow unencrypted connections
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return err
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}
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if debug {
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c.client.SetDebug(os.Stderr)
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}
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return c.client.Login(c.config.Username, c.config.Password)
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}
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func (c *IMAPConnection) Close() {
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c.client.Logout()
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}
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func tryConnection(host string, port int) (*client.Client, error) {
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connString := fmt.Sprintf("%s:%d", host, port)
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c, err := client.DialTLS(connString, nil)
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if err == nil {
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return c, err
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}
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c, err = client.Dial(connString)
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if err != nil {
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return c, err
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}
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err = c.StartTLS(&tls.Config{ServerName: host})
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if err != nil {
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err = ErrUnencrypted
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}
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return c, err
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}
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