mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 12:46:46 +00:00
80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
package user
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import (
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"context"
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"fmt"
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"time"
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"github.com/ProtonMail/gluon/imap"
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"github.com/ProtonMail/gopenpgp/v2/crypto"
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"github.com/ProtonMail/proton-bridge/v2/pkg/message"
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"github.com/bradenaw/juniper/xslices"
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"gitlab.protontech.ch/go/liteapi"
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"golang.org/x/exp/slices"
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)
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type buildRes struct {
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messageID string
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addressID string
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update *imap.MessageCreated
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}
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func defaultJobOpts() message.JobOptions {
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return message.JobOptions{
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IgnoreDecryptionErrors: true, // Whether to ignore decryption errors and create a "custom message" instead.
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SanitizeDate: true, // Whether to replace all dates before 1970 with RFC822's birthdate.
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AddInternalID: true, // Whether to include MessageID as X-Pm-Internal-Id.
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AddExternalID: true, // Whether to include ExternalID as X-Pm-External-Id.
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AddMessageDate: true, // Whether to include message time as X-Pm-Date.
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AddMessageIDReference: true, // Whether to include the MessageID in References.
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}
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}
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func buildRFC822(ctx context.Context, full liteapi.FullMessage, addrKR *crypto.KeyRing) (*buildRes, error) {
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literal, err := message.BuildRFC822(addrKR, full.Message, full.AttData, defaultJobOpts())
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if err != nil {
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return nil, fmt.Errorf("failed to build message %s: %w", full.ID, err)
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}
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update, err := newMessageCreatedUpdate(full.MessageMetadata, literal)
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if err != nil {
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return nil, fmt.Errorf("failed to create IMAP update for message %s: %w", full.ID, err)
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}
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return &buildRes{
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messageID: full.ID,
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addressID: full.AddressID,
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update: update,
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}, nil
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}
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func newMessageCreatedUpdate(message liteapi.MessageMetadata, literal []byte) (*imap.MessageCreated, error) {
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parsedMessage, err := imap.NewParsedMessage(literal)
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if err != nil {
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return nil, err
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}
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flags := imap.NewFlagSet()
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if !message.Unread {
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flags = flags.Add(imap.FlagSeen)
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}
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if slices.Contains(message.LabelIDs, liteapi.StarredLabel) {
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flags = flags.Add(imap.FlagFlagged)
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}
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imapMessage := imap.Message{
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ID: imap.MessageID(message.ID),
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Flags: flags,
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Date: time.Unix(message.Time, 0),
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}
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return &imap.MessageCreated{
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Message: imapMessage,
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Literal: literal,
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LabelIDs: mapTo[string, imap.LabelID](xslices.Filter(message.LabelIDs, wantLabelID)),
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ParsedMessage: parsedMessage,
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}, nil
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}
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