From b106080fb4d92a9969acc511a1276063d95b5287 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 18 Feb 2021 16:22:21 +0000 Subject: [PATCH] Regenerate exact thumbnails if missing --- synapse/rest/media/v1/media_repository.py | 2 +- synapse/rest/media/v1/thumbnail_resource.py | 49 ++++++++++++++++++- .../databases/main/media_repository.py | 18 +++---- 3 files changed, 58 insertions(+), 11 deletions(-) diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index a0162d4255..3375455c43 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -509,7 +509,7 @@ class MediaRepository: t_height: int, t_method: str, t_type: str, - url_cache: str, + url_cache: Optional[str], ) -> Optional[str]: input_path = await self.media_storage.ensure_media_is_in_local_cache( FileInfo(None, media_id, url_cache=url_cache) diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index d653a58be9..c345ec6498 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -114,6 +114,7 @@ class ThumbnailResource(DirectServeJsonResource): m_type, thumbnail_infos, media_id, + media_id, url_cache=media_info["url_cache"], server_name=None, ) @@ -269,6 +270,7 @@ class ThumbnailResource(DirectServeJsonResource): method, m_type, thumbnail_infos, + media_id, media_info["filesystem_id"], url_cache=None, server_name=server_name, @@ -282,6 +284,7 @@ class ThumbnailResource(DirectServeJsonResource): desired_method: str, desired_type: str, thumbnail_infos: List[Dict[str, Any]], + media_id: str, file_id: str, url_cache: Optional[str] = None, server_name: Optional[str] = None, @@ -316,9 +319,53 @@ class ThumbnailResource(DirectServeJsonResource): respond_404(request) return + responder = await self.media_storage.fetch_media(file_info) + if responder: + await respond_with_responder( + request, + responder, + file_info.thumbnail_type, + file_info.thumbnail_length, + ) + return + + # If we can't find the thumbnail we regenerate it. This can happen + # if e.g. we've deleted the thumbnails but still have the original + # image somewhere. + # + # Since we have an entry for the thumbnail in the DB we a) know we + # have have successfully generated the thumbnail in the past (so we + # don't need to worry about repeatedly failing to generate + # thumbnails), and b) have already calculated that appropriate + # width/height/method so we can just call the "generate exact" + # methods. + + if server_name: + await self.media_repo.generate_remote_exact_thumbnail( + server_name, + file_id=file_id, + media_id=media_id, + t_width=file_info.thumbnail_width, + t_height=file_info.thumbnail_height, + t_method=file_info.thumbnail_method, + t_type=file_info.thumbnail_type, + ) + else: + await self.media_repo.generate_local_exact_thumbnail( + media_id=media_id, + t_width=file_info.thumbnail_width, + t_height=file_info.thumbnail_height, + t_method=file_info.thumbnail_method, + t_type=file_info.thumbnail_type, + url_cache=url_cache, + ) + responder = await self.media_storage.fetch_media(file_info) await respond_with_responder( - request, responder, file_info.thumbnail_type, file_info.thumbnail_length + request, + responder, + file_info.thumbnail_type, + file_info.thumbnail_length, ) else: logger.info("Failed to find any generated thumbnails") diff --git a/synapse/storage/databases/main/media_repository.py b/synapse/storage/databases/main/media_repository.py index a0313c3ccf..9ee642c668 100644 --- a/synapse/storage/databases/main/media_repository.py +++ b/synapse/storage/databases/main/media_repository.py @@ -344,16 +344,16 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore): thumbnail_method, thumbnail_length, ): - await self.db_pool.simple_insert( - "local_media_repository_thumbnails", - { + await self.db_pool.simple_upsert( + table="local_media_repository_thumbnails", + keyvalues={ "media_id": media_id, "thumbnail_width": thumbnail_width, "thumbnail_height": thumbnail_height, "thumbnail_method": thumbnail_method, "thumbnail_type": thumbnail_type, - "thumbnail_length": thumbnail_length, }, + values={"thumbnail_length": thumbnail_length}, desc="store_local_thumbnail", ) @@ -498,18 +498,18 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore): thumbnail_method, thumbnail_length, ): - await self.db_pool.simple_insert( - "remote_media_cache_thumbnails", - { + await self.db_pool.simple_upsert( + table="remote_media_cache_thumbnails", + keyvalues={ "media_origin": origin, "media_id": media_id, "thumbnail_width": thumbnail_width, "thumbnail_height": thumbnail_height, "thumbnail_method": thumbnail_method, "thumbnail_type": thumbnail_type, - "thumbnail_length": thumbnail_length, - "filesystem_id": filesystem_id, }, + values={"thumbnail_length": thumbnail_length}, + insertion_values={"filesystem_id": filesystem_id}, desc="store_remote_media_thumbnail", )