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Fix thumbnailing remote files

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This commit is contained in:
Erik Johnston 2018-01-16 11:06:42 +00:00
parent 1159abbdd2
commit a4c5e4a645
2 changed files with 30 additions and 2 deletions
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28
synapse/rest/media/v1/media_repository.py
View File

@ -227,6 +227,34 @@ class MediaRepository(object):
else:
respond_404(request)
@defer.inlineCallbacks
def get_remote_media_info(self, server_name, media_id):
"""Gets the media info associated with the remote file, downloading
if necessary.
Args:
server_name (str): Remote server_name where the media originated.
media_id (str): The media ID of the content (as defined by the
remote server).
Returns:
Deferred[dict]: The media_info of the file
"""
# We linearize here to ensure that we don't try and download remote
# media multiple times concurrently
key = (server_name, media_id)
with (yield self.remote_media_linearizer.queue(key)):
responder, media_info = yield self._get_remote_media_impl(
server_name, media_id,
)
# Ensure we actually use the responder so that it releases resources
if responder:
with responder:
pass
defer.returnValue(media_info)
@defer.inlineCallbacks
def _get_remote_media_impl(self, server_name, media_id):
"""Looks for media in local cache, if not there then attempt to

4
synapse/rest/media/v1/thumbnail_resource.py
View File

@ -165,7 +165,7 @@ class ThumbnailResource(Resource):
def _select_or_generate_remote_thumbnail(self, request, server_name, media_id,
desired_width, desired_height,
desired_method, desired_type):
media_info = yield self.media_repo.get_remote_media(server_name, media_id)
media_info = yield self.media_repo.get_remote_media_info(server_name, media_id)
thumbnail_infos = yield self.store.get_remote_media_thumbnails(
server_name, media_id,
@ -216,7 +216,7 @@ class ThumbnailResource(Resource):
# TODO: Don't download the whole remote file
# We should proxy the thumbnail from the remote server instead of
# downloading the remote file and generating our own thumbnails.
yield self.media_repo.get_remote_media(server_name, media_id)
yield self.media_repo.get_remote_media_info(server_name, media_id)
thumbnail_infos = yield self.store.get_remote_media_thumbnails(
server_name, media_id,