Sumner Evans
118 lines
3.7 KiB
Go
118 lines
3.7 KiB
Go
package msgconv
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import (
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"context"
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"fmt"
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"github.com/gotd/td/tg"
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"github.com/rs/zerolog"
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"go.mau.fi/util/exmime"
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"maunium.net/go/mautrix/bridgev2"
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"maunium.net/go/mautrix/bridgev2/networkid"
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"maunium.net/go/mautrix/event"
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"maunium.net/go/mautrix/id"
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"go.mau.fi/mautrix-telegram/pkg/connector/ids"
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conmedia "go.mau.fi/mautrix-telegram/pkg/connector/media"
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)
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func (mc *MessageConverter) ToMatrix(ctx context.Context, portal *bridgev2.Portal, intent bridgev2.MatrixAPI, msg *tg.Message) (*bridgev2.ConvertedMessage, error) {
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log := zerolog.Ctx(ctx).With().Str("conversion_direction", "to_matrix").Logger()
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ctx = log.WithContext(ctx)
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cm := &bridgev2.ConvertedMessage{}
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if msg.Message != "" {
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cm.Parts = append(cm.Parts, &bridgev2.ConvertedMessagePart{
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ID: networkid.PartID("caption"),
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Type: event.EventMessage,
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Content: &event.MessageEventContent{MsgType: event.MsgText, Body: msg.Message},
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})
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}
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if m, ok := msg.GetMedia(); ok {
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switch media := m.(type) {
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case *tg.MessageMediaPhoto:
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var filename string
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var mxcURI id.ContentURIString
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var encryptedFileInfo *event.EncryptedFileInfo
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if mc.useDirectMedia {
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var err error
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filename = "image"
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peerType, chatID, err := ids.ParsePortalID(portal.ID)
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if err != nil {
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return nil, err
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}
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mediaID, err := ids.DirectMediaInfo{
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PeerType: peerType,
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ChatID: chatID,
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MessageID: int64(msg.ID),
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}.AsMediaID()
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if err != nil {
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return nil, err
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}
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mxcURI, err = portal.Bridge.Matrix.GenerateContentURI(ctx, mediaID)
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if err != nil {
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return nil, err
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}
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}
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if mxcURI == "" {
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data, mimeType, err := conmedia.DownloadPhoto(ctx, mc.client.API(), media)
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if err != nil {
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return nil, err
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}
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if _, ok := media.GetTTLSeconds(); ok {
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// TODO set the ttl on the converted message
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filename = "disappearing_image" + exmime.ExtensionFromMimetype(mimeType)
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} else {
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filename = "image" + exmime.ExtensionFromMimetype(mimeType)
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}
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mxcURI, encryptedFileInfo, err = intent.UploadMedia(ctx, "", data, filename, mimeType)
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if err != nil {
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return nil, err
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}
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}
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extra := map[string]any{}
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if media.GetSpoiler() {
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// See: https://github.com/matrix-org/matrix-spec-proposals/pull/3725
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extra["town.robin.msc3725.content_warning"] = map[string]any{
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"type": "town.robin.msc3725.spoiler",
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}
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}
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cm.Parts = append(cm.Parts, &bridgev2.ConvertedMessagePart{
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ID: networkid.PartID("photo"),
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Type: event.EventMessage,
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Content: &event.MessageEventContent{
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MsgType: event.MsgImage,
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Body: filename,
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URL: mxcURI,
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File: encryptedFileInfo,
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},
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Extra: extra,
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})
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// TODO all of these
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// case *tg.MessageMediaGeo: // messageMediaGeo#56e0d474
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// case *tg.MessageMediaContact: // messageMediaContact#70322949
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// case *tg.MessageMediaUnsupported: // messageMediaUnsupported#9f84f49e
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// case *tg.MessageMediaDocument: // messageMediaDocument#4cf4d72d
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// case *tg.MessageMediaWebPage: // messageMediaWebPage#ddf10c3b
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// case *tg.MessageMediaVenue: // messageMediaVenue#2ec0533f
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// case *tg.MessageMediaGame: // messageMediaGame#fdb19008
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// case *tg.MessageMediaInvoice: // messageMediaInvoice#f6a548d3
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// case *tg.MessageMediaGeoLive: // messageMediaGeoLive#b940c666
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// case *tg.MessageMediaPoll: // messageMediaPoll#4bd6e798
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// case *tg.MessageMediaDice: // messageMediaDice#3f7ee58b
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// case *tg.MessageMediaStory: // messageMediaStory#68cb6283
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// case *tg.MessageMediaGiveaway: // messageMediaGiveaway#daad85b0
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// case *tg.MessageMediaGiveawayResults: // messageMediaGiveawayResults#c6991068
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default:
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return nil, fmt.Errorf("unhandled media type %T", m)
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}
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}
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return cm, nil
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}
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