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Bridge some matrix stickers as telegram stickers #827

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Bridge some matrix stickers as telegram stickers #827

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44 changes: 42 additions & 2 deletions mautrix_telegram/portal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,9 @@
EditChatPhotoRequest,
EditChatTitleRequest,
ExportChatInviteRequest,
GetAllStickersRequest,
GetMessageReactionsListRequest,
GetStickerSetRequest,
MigrateChatRequest,
SendReactionRequest,
SetTypingRequest,
Expand Down Expand Up @@ -79,6 +81,7 @@
InputPeerChat,
InputPeerPhotoFileLocation,
InputPeerUser,
InputStickerSetID,
InputUser,
MessageActionChannelCreate,
MessageActionChatAddUser,
Expand Down Expand Up @@ -1626,6 +1629,31 @@ async def _handle_matrix_text(
msgtype=content.msgtype,
)

async def _find_telegram_sticker(self, client, metadata):
sticker_set_id = int(metadata["pack"]["id"])
sticker_sets = await client(GetAllStickersRequest(0))

found_sticker_set = None
for sticker_set in sticker_sets.sets:
if sticker_set.id == sticker_set_id:
found_sticker_set = sticker_set
break
if not found_sticker_set:
return None

stickers = await client(
GetStickerSetRequest(
hash=0,
stickerset=InputStickerSetID(
id=found_sticker_set.id, access_hash=found_sticker_set.access_hash
),
)
)

for sticker in stickers.documents:
if sticker.id == int(metadata["id"]):
return sticker

async def _handle_matrix_file(
self,
sender: u.User,
Expand All @@ -1646,6 +1674,7 @@ async def _handle_matrix_file(
w = h = None
max_image_size = self.config["bridge.image_as_file_size"] * 1000**2
max_image_pixels = self.config["bridge.image_as_file_pixels"]
media = None

if self.config["bridge.parallel_file_transfer"] and content.url:
file_handle, file_size = await util.parallel_transfer_to_telegram(
Expand All @@ -1666,7 +1695,16 @@ async def _handle_matrix_file(
file = await self.main_intent.download_media(content.url)

if content.msgtype == MessageType.STICKER:
if mime != "image/gif":
tg_sticker = None

if "net.maunium.telegram.sticker" in content.info:
tg_sticker = await self._find_telegram_sticker(
client, content.info["net.maunium.telegram.sticker"]
)

if tg_sticker is not None:
media = tg_sticker
elif mime != "image/gif":
mime, file, w, h = util.convert_image(
file, source_mime=mime, target_type="webp"
)
Expand Down Expand Up @@ -1708,7 +1746,9 @@ async def _handle_matrix_file(
if "fi.mau.telegram.force_document" in content:
force_document = bool(content["fi.mau.telegram.force_document"])

if (mime == "image/png" or mime == "image/jpeg") and not force_document:
if media is not None:
pass
elif (mime == "image/png" or mime == "image/jpeg") and not force_document:
media = InputMediaUploadedPhoto(file_handle)
else:
media = InputMediaUploadedDocument(
Expand Down