Sumner Evans
106 lines
3.3 KiB
Go
106 lines
3.3 KiB
Go
package connector
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
|
|
"github.com/gotd/td/tg"
|
|
"maunium.net/go/mautrix/bridgev2"
|
|
"maunium.net/go/mautrix/bridgev2/networkid"
|
|
"maunium.net/go/mautrix/mediaproxy"
|
|
|
|
"go.mau.fi/mautrix-telegram/pkg/connector/ids"
|
|
conmedia "go.mau.fi/mautrix-telegram/pkg/connector/media"
|
|
)
|
|
|
|
var _ bridgev2.DirectMediableNetwork = (*TelegramConnector)(nil)
|
|
|
|
type getMessages interface {
|
|
GetMessages() []tg.MessageClass
|
|
}
|
|
|
|
func (tc *TelegramConnector) Download(ctx context.Context, mediaID networkid.MediaID) (mediaproxy.GetMediaResponse, error) {
|
|
info, err := ids.ParseDirectMediaInfo(mediaID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
logins, err := tc.Bridge.GetUserLoginsInPortal(ctx, info.PeerType.AsPortalKey(info.ChatID))
|
|
if err != nil {
|
|
return nil, err
|
|
} else if len(logins) == 0 {
|
|
return nil, fmt.Errorf("no user logins in the portal (%s %d)", info.PeerType, info.ChatID)
|
|
}
|
|
|
|
client := logins[0].Client.(*TelegramClient)
|
|
var messages tg.MessagesMessagesClass
|
|
switch info.PeerType {
|
|
case ids.PeerTypeUser, ids.PeerTypeChat:
|
|
messages, err = client.client.API().MessagesGetMessages(ctx, []tg.InputMessageClass{
|
|
&tg.InputMessageID{ID: int(info.MessageID)},
|
|
})
|
|
case ids.PeerTypeChannel:
|
|
messages, err = client.client.API().ChannelsGetMessages(ctx, &tg.ChannelsGetMessagesRequest{
|
|
Channel: &tg.InputChannel{ChannelID: info.ChatID},
|
|
ID: []tg.InputMessageClass{
|
|
&tg.InputMessageID{ID: int(info.MessageID)},
|
|
},
|
|
})
|
|
default:
|
|
return nil, fmt.Errorf("unknown peer type %s", info.PeerType)
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var media tg.MessageMediaClass
|
|
if m, ok := messages.(getMessages); !ok {
|
|
return nil, fmt.Errorf("unknown message type")
|
|
} else {
|
|
for _, message := range m.GetMessages() {
|
|
if msg, ok := message.(*tg.Message); ok && msg.ID == int(info.MessageID) {
|
|
media = msg.Media
|
|
break
|
|
}
|
|
}
|
|
}
|
|
|
|
switch media := media.(type) {
|
|
case *tg.MessageMediaPhoto:
|
|
data, mimeType, err := conmedia.DownloadPhoto(ctx, client.client.API(), media)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &mediaproxy.GetMediaResponseData{
|
|
Reader: io.NopCloser(bytes.NewBuffer(data)),
|
|
ContentType: mimeType,
|
|
ContentLength: int64(len(data)),
|
|
}, nil
|
|
|
|
// TODO all of these
|
|
// case *tg.MessageMediaGeo: // messageMediaGeo#56e0d474
|
|
// case *tg.MessageMediaContact: // messageMediaContact#70322949
|
|
// case *tg.MessageMediaUnsupported: // messageMediaUnsupported#9f84f49e
|
|
// case *tg.MessageMediaDocument: // messageMediaDocument#4cf4d72d
|
|
// case *tg.MessageMediaWebPage: // messageMediaWebPage#ddf10c3b
|
|
// case *tg.MessageMediaVenue: // messageMediaVenue#2ec0533f
|
|
// case *tg.MessageMediaGame: // messageMediaGame#fdb19008
|
|
// case *tg.MessageMediaInvoice: // messageMediaInvoice#f6a548d3
|
|
// case *tg.MessageMediaGeoLive: // messageMediaGeoLive#b940c666
|
|
// case *tg.MessageMediaPoll: // messageMediaPoll#4bd6e798
|
|
// case *tg.MessageMediaDice: // messageMediaDice#3f7ee58b
|
|
// case *tg.MessageMediaStory: // messageMediaStory#68cb6283
|
|
// case *tg.MessageMediaGiveaway: // messageMediaGiveaway#daad85b0
|
|
// case *tg.MessageMediaGiveawayResults: // messageMediaGiveawayResults#c6991068
|
|
default:
|
|
return nil, fmt.Errorf("unhandled media type %T", media)
|
|
}
|
|
}
|
|
|
|
func (tg *TelegramConnector) SetUseDirectMedia() {
|
|
tg.useDirectMedia = true
|
|
}
|