diff options
| -rw-r--r-- | synapse/rest/media/v1/media_repository.py | 20 | ||||
| -rw-r--r-- | synapse/rest/media/v1/media_storage.py | 36 | ||||
| -rw-r--r-- | synapse/rest/media/v1/thumbnail_resource.py | 3 | ||||
| -rw-r--r-- | tests/rest/media/__init__.py | 14 | ||||
| -rw-r--r-- | tests/rest/media/v1/__init__.py | 14 | ||||
| -rw-r--r-- | tests/rest/media/v1/test_media_storage.py | 81 |
6 files changed, 156 insertions, 12 deletions
diff --git a/synapse/rest/media/v1/media_repository.py b/synapse/rest/media/v1/media_repository.py index 485db8577a..bb79599379 100644 --- a/synapse/rest/media/v1/media_repository.py +++ b/synapse/rest/media/v1/media_repository.py @@ -472,8 +472,10 @@ class MediaRepository(object): @defer.inlineCallbacks def generate_local_exact_thumbnail(self, media_id, t_width, t_height, - t_method, t_type): - input_path = self.filepaths.local_media_filepath(media_id) + t_method, t_type, url_cache): + input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo( + None, media_id, url_cache=url_cache, + )) thumbnailer = Thumbnailer(input_path) t_byte_source = yield make_deferred_yieldable(threads.deferToThread( @@ -486,6 +488,7 @@ class MediaRepository(object): file_info = FileInfo( server_name=None, file_id=media_id, + url_cache=url_cache, thumbnail=True, thumbnail_width=t_width, thumbnail_height=t_height, @@ -512,7 +515,9 @@ class MediaRepository(object): @defer.inlineCallbacks def generate_remote_exact_thumbnail(self, server_name, file_id, media_id, t_width, t_height, t_method, t_type): - input_path = self.filepaths.remote_media_filepath(server_name, file_id) + input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo( + server_name, file_id, url_cache=False, + )) thumbnailer = Thumbnailer(input_path) t_byte_source = yield make_deferred_yieldable(threads.deferToThread( @@ -570,12 +575,9 @@ class MediaRepository(object): if not requirements: return - if server_name: - input_path = self.filepaths.remote_media_filepath(server_name, file_id) - elif url_cache: - input_path = self.filepaths.url_cache_filepath(media_id) - else: - input_path = self.filepaths.local_media_filepath(media_id) + input_path = yield self.media_storage.ensure_media_is_in_local_cache(FileInfo( + server_name, file_id, url_cache=url_cache, + )) thumbnailer = Thumbnailer(input_path) m_width = thumbnailer.width diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py index 041ae396cd..e8e8b3986d 100644 --- a/synapse/rest/media/v1/media_storage.py +++ b/synapse/rest/media/v1/media_storage.py @@ -18,6 +18,7 @@ from twisted.protocols.basic import FileSender from ._base import Responder +from synapse.util.file_consumer import BackgroundFileConsumer from synapse.util.logcontext import make_deferred_yieldable import contextlib @@ -26,6 +27,7 @@ import logging import shutil import sys + logger = logging.getLogger(__name__) @@ -151,6 +153,37 @@ class MediaStorage(object): defer.returnValue(None) + @defer.inlineCallbacks + def ensure_media_is_in_local_cache(self, file_info): + """Ensures that the given file is in the local cache. Attempts to + download it from storage providers if it isn't. + + Args: + file_info (FileInfo) + + Returns: + Deferred[str]: Full path to local file + """ + path = self._file_info_to_path(file_info) + local_path = os.path.join(self.local_media_directory, path) + if os.path.exists(local_path): + defer.returnValue(local_path) + + dirname = os.path.dirname(local_path) + if not os.path.exists(dirname): + os.makedirs(dirname) + + for provider in self.storage_providers: + res = yield provider.fetch(path, file_info) + if res: + with res: + consumer = BackgroundFileConsumer(open(local_path, "w")) + yield res.write_to_consumer(consumer) + yield consumer.wait() + defer.returnValue(local_path) + + raise Exception("file could not be found") + def _file_info_to_path(self, file_info): """Converts file_info into a relative path. @@ -228,9 +261,8 @@ class FileResponder(Responder): def __init__(self, open_file): self.open_file = open_file - @defer.inlineCallbacks def write_to_consumer(self, consumer): - yield FileSender().beginFileTransfer(self.open_file, consumer) + return FileSender().beginFileTransfer(self.open_file, consumer) def __exit__(self, exc_type, exc_val, exc_tb): self.open_file.close() diff --git a/synapse/rest/media/v1/thumbnail_resource.py b/synapse/rest/media/v1/thumbnail_resource.py index 12e84a2b7c..58ada49711 100644 --- a/synapse/rest/media/v1/thumbnail_resource.py +++ b/synapse/rest/media/v1/thumbnail_resource.py @@ -164,7 +164,8 @@ class ThumbnailResource(Resource): # Okay, so we generate one. file_path = yield self.media_repo.generate_local_exact_thumbnail( - media_id, desired_width, desired_height, desired_method, desired_type + media_id, desired_width, desired_height, desired_method, desired_type, + url_cache=media_info["url_cache"], ) if file_path: diff --git a/tests/rest/media/__init__.py b/tests/rest/media/__init__.py new file mode 100644 index 0000000000..a354d38ca8 --- /dev/null +++ b/tests/rest/media/__init__.py @@ -0,0 +1,14 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. diff --git a/tests/rest/media/v1/__init__.py b/tests/rest/media/v1/__init__.py new file mode 100644 index 0000000000..a354d38ca8 --- /dev/null +++ b/tests/rest/media/v1/__init__.py @@ -0,0 +1,14 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. diff --git a/tests/rest/media/v1/test_media_storage.py b/tests/rest/media/v1/test_media_storage.py new file mode 100644 index 0000000000..c4de181579 --- /dev/null +++ b/tests/rest/media/v1/test_media_storage.py @@ -0,0 +1,81 @@ +# -*- coding: utf-8 -*- +# Copyright 2018 New Vector Ltd +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + + +from twisted.internet import defer + +from synapse.rest.media.v1._base import FileInfo +from synapse.rest.media.v1.media_storage import MediaStorage +from synapse.rest.media.v1.filepath import MediaFilePaths +from synapse.rest.media.v1.storage_provider import FileStorageProviderBackend + +from tests import unittest + +import os +import shutil +import tempfile + + +class MediaStorageTests(unittest.TestCase): + def setUp(self): + self.test_dir = tempfile.mkdtemp(prefix="synapse-tests-") + + self.primary_base_path = os.path.join(self.test_dir, "primary") + self.secondary_base_path = os.path.join(self.test_dir, "secondary") + + storage_providers = [FileStorageProviderBackend( + self.primary_base_path, self.secondary_base_path + )] + + self.filepaths = MediaFilePaths(self.primary_base_path) + self.media_storage = MediaStorage( + self.primary_base_path, self.filepaths, storage_providers, + ) + + def tearDown(self): + shutil.rmtree(self.test_dir) + + @defer.inlineCallbacks + def test_ensure_media_is_in_local_cache(self): + media_id = "some_media_id" + test_body = "Test\n" + + # First we create a file that is in a storage provider but not in the + # local primary media store + rel_path = self.filepaths.local_media_filepath_rel(media_id) + secondary_path = os.path.join(self.secondary_base_path, rel_path) + + os.makedirs(os.path.dirname(secondary_path)) + + with open(secondary_path, "w") as f: + f.write(test_body) + + # Now we run ensure_media_is_in_local_cache, which should copy the file + # to the local cache. + file_info = FileInfo(None, media_id) + local_path = yield self.media_storage.ensure_media_is_in_local_cache(file_info) + + self.assertTrue(os.path.exists(local_path)) + + # Asserts the file is under the expected local cache directory + self.assertEquals( + os.path.commonprefix([self.primary_base_path, local_path]), + self.primary_base_path, + ) + + with open(local_path) as f: + body = f.read() + + self.assertEqual(test_body, body) |