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48 lines
1.3 KiB
48 lines
1.3 KiB
// Copyright (c) 2022 Proton AG |
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// |
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// This file is part of Proton Mail Bridge. |
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// |
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// Proton Mail Bridge is free software: you can redistribute it and/or modify |
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// it under the terms of the GNU General Public License as published by |
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// the Free Software Foundation, either version 3 of the License, or |
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// (at your option) any later version. |
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// |
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// Proton Mail Bridge is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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// |
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// You should have received a copy of the GNU General Public License |
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// along with Proton Mail Bridge. If not, see <https://www.gnu.org/licenses/>. |
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package message |
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import ( |
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"fmt" |
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"io" |
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) |
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type partWriter struct { |
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w io.Writer |
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boundary string |
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} |
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func newPartWriter(w io.Writer, boundary string) *partWriter { |
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return &partWriter{w: w, boundary: boundary} |
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} |
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func (w *partWriter) createPart(fn func(io.Writer) error) error { |
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if _, err := fmt.Fprintf(w.w, "\r\n--%v\r\n", w.boundary); err != nil { |
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return err |
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} |
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return fn(w.w) |
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} |
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func (w *partWriter) done() error { |
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if _, err := fmt.Fprintf(w.w, "\r\n--%v--\r\n", w.boundary); err != nil { |
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return err |
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} |
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return nil |
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}
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