forked from Silverfish/proton-bridge
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
// 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 message
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
)
|
|
|
|
type partWriter struct {
|
|
w io.Writer
|
|
boundary string
|
|
}
|
|
|
|
func newPartWriter(w io.Writer, boundary string) *partWriter {
|
|
return &partWriter{w: w, boundary: boundary}
|
|
}
|
|
|
|
func (w *partWriter) createPart(fn func(io.Writer) error) error {
|
|
if _, err := fmt.Fprintf(w.w, "\r\n--%v\r\n", w.boundary); err != nil {
|
|
return err
|
|
}
|
|
|
|
return fn(w.w)
|
|
}
|
|
|
|
func (w *partWriter) done() error {
|
|
if _, err := fmt.Fprintf(w.w, "\r\n--%v--\r\n", w.boundary); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|