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edits: bridge TG -> Matrix

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Signed-off-by: Sumner Evans <sumner.evans@automattic.com>
This commit is contained in:
Sumner Evans
2024-07-19 12:47:55 -06:00
parent 5a3b52dff2
commit 314b2da99f
9 changed files with 211 additions and 185 deletions
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pkg/connector/ids/media.go
+17 -8
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@@ -13,18 +13,20 @@ import (
// The format of the media ID is as follows (each character represents a single
// byte, |'s added for clarity):
//
// v|p|cccccccc|mmmmmmmm|T
// v|p|cccccccc|mmmmmmmm|T|MMMMMMMM
//
// v (int8) = binary encoding format version. Should be 0.
// p (byte) = the peer type of the Telegram chat ID
// cccccccc (int64) = the Telegram chat ID (big endian)
// mmmmmmmm (int64) = the Telegram message ID (big endian)
// T (byte) = 0 or 1 depending on whether it's a thumbnail
// T (byte) = 0 or 1 depending on whether it's a thumbnail (optional)
// MMMMMMMM (int64) = the Telegram media ID (big endian) (optional)
type DirectMediaInfo struct {
PeerType PeerType
ChatID int64
MessageID int64
Thumbnail bool
PeerType PeerType
ChatID int64
MessageID int64
Thumbnail bool
TelegramMediaID int64
}
func (m DirectMediaInfo) AsMediaID() (networkid.MediaID, error) {
@@ -39,6 +41,7 @@ func (m DirectMediaInfo) AsMediaID() (networkid.MediaID, error) {
} else {
mediaID = append(mediaID, 0x00)
}
mediaID = binary.BigEndian.AppendUint64(mediaID, uint64(m.TelegramMediaID)) // Telegram Message ID
return mediaID, nil
}
@@ -51,7 +54,10 @@ func ParseDirectMediaInfo(mediaID networkid.MediaID) (info DirectMediaInfo, err
err = fmt.Errorf("invalid version %d", mediaID[0])
return
}
if len(mediaID) != 18 && len(mediaID) != 19 {
// For compatibility with old media IDs that don't have the thumbnail flag
// and the Telegram media ID, we allow media IDs with 18, 19, or 27 bytes.
if len(mediaID) != 18 && len(mediaID) != 19 && len(mediaID) != 27 {
err = fmt.Errorf("invalid media ID")
return
}
@@ -61,8 +67,11 @@ func ParseDirectMediaInfo(mediaID networkid.MediaID) (info DirectMediaInfo, err
}
info.ChatID = int64(binary.BigEndian.Uint64(mediaID[2:]))
info.MessageID = int64(binary.BigEndian.Uint64(mediaID[10:]))
if len(mediaID) == 19 {
if len(mediaID) >= 19 {
info.Thumbnail = mediaID[18] == 1
}
if len(mediaID) >= 20 {
info.TelegramMediaID = int64(binary.BigEndian.Uint64(mediaID[19:]))
}
return
}