mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 04:36:43 +00:00
89 lines
2.4 KiB
Go
89 lines
2.4 KiB
Go
// Copyright (c) 2021 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail 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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// ProtonMail 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 ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package message
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import (
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"github.com/ProtonMail/proton-bridge/pkg/pmapi"
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"github.com/emersion/go-imap"
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)
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// Various client specific flags.
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const (
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AppleMailJunkFlag = "$Junk"
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ThunderbirdJunkFlag = "Junk"
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ThunderbirdNonJunkFlag = "NonJunk"
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)
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// GetFlags returns imap flags from pmapi message attributes.
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func GetFlags(m *pmapi.Message) (flags []string) {
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if !m.Unread {
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flags = append(flags, imap.SeenFlag)
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}
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if !m.Has(pmapi.FlagSent) && !m.Has(pmapi.FlagReceived) {
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flags = append(flags, imap.DraftFlag)
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}
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if m.Has(pmapi.FlagReplied) || m.Has(pmapi.FlagRepliedAll) {
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flags = append(flags, imap.AnsweredFlag)
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}
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hasSpam := false
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for _, l := range m.LabelIDs {
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if l == pmapi.StarredLabel {
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flags = append(flags, imap.FlaggedFlag)
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}
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if l == pmapi.SpamLabel {
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flags = append(flags, AppleMailJunkFlag, ThunderbirdJunkFlag)
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hasSpam = true
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}
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}
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if !hasSpam {
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flags = append(flags, ThunderbirdNonJunkFlag)
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}
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return
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}
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// ParseFlags sets attributes to pmapi messages based on imap flags.
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func ParseFlags(m *pmapi.Message, flags []string) {
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if m.Header.Get("received") == "" {
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m.Flags = pmapi.FlagSent
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} else {
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m.Flags = pmapi.FlagReceived
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}
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m.Unread = true
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for _, f := range flags {
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switch f {
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case imap.SeenFlag:
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m.Unread = false
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case imap.DraftFlag:
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m.Flags &= ^pmapi.FlagSent
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m.Flags &= ^pmapi.FlagReceived
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m.LabelIDs = append(m.LabelIDs, pmapi.DraftLabel)
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case imap.FlaggedFlag:
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m.LabelIDs = append(m.LabelIDs, pmapi.StarredLabel)
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case imap.AnsweredFlag:
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m.Flags |= pmapi.FlagReplied
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case AppleMailJunkFlag, ThunderbirdJunkFlag:
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m.LabelIDs = append(m.LabelIDs, pmapi.SpamLabel)
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}
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}
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}
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