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# -*- 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.
import os
import shutil
import tempfile
from binascii import unhexlify
from mock import Mock
from six.moves.urllib import parse
from twisted.internet.defer import Deferred
from synapse.rest.media.v1._base import FileInfo
from synapse.rest.media.v1.filepath import MediaFilePaths
from synapse.rest.media.v1.media_storage import MediaStorage
from synapse.rest.media.v1.storage_provider import FileStorageProviderBackend
from synapse.util.logcontext import make_deferred_yieldable
from tests import unittest
class MediaStorageTests(unittest.HomeserverTestCase):
needs_threadpool = True
def prepare(self, reactor, clock, hs):
self.test_dir = tempfile.mkdtemp(prefix="synapse-tests-")
self.addCleanup(shutil.rmtree, self.test_dir)
self.primary_base_path = os.path.join(self.test_dir, "primary")
self.secondary_base_path = os.path.join(self.test_dir, "secondary")
hs.config.media_store_path = self.primary_base_path
storage_providers = [FileStorageProviderBackend(hs, self.secondary_base_path)]
self.filepaths = MediaFilePaths(self.primary_base_path)
self.media_storage = MediaStorage(
hs, self.primary_base_path, self.filepaths, storage_providers
)
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)
# This uses a real blocking threadpool so we have to wait for it to be
# actually done :/
x = self.media_storage.ensure_media_is_in_local_cache(file_info)
# Hotloop until the threadpool does its job...
self.wait_on_thread(x)
local_path = self.get_success(x)
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)
class MediaRepoTests(unittest.HomeserverTestCase):
hijack_auth = True
user_id = "@test:user"
def make_homeserver(self, reactor, clock):
self.fetches = []
def get_file(destination, path, output_stream, args=None, max_size=None):
"""
Returns tuple[int,dict,str,int] of file length, response headers,
absolute URI, and response code.
"""
def write_to(r):
data, response = r
output_stream.write(data)
return response
d = Deferred()
d.addCallback(write_to)
self.fetches.append((d, destination, path, args))
return make_deferred_yieldable(d)
client = Mock()
client.get_file = get_file
self.storage_path = self.mktemp()
self.media_store_path = self.mktemp()
os.mkdir(self.storage_path)
os.mkdir(self.media_store_path)
config = self.default_config()
config["media_store_path"] = self.media_store_path
config["thumbnail_requirements"] = {}
config["max_image_pixels"] = 2000000
provider_config = {
"module": "synapse.rest.media.v1.storage_provider.FileStorageProviderBackend",
"store_local": True,
"store_synchronous": False,
"store_remote": True,
"config": {"directory": self.storage_path},
}
config["media_storage_providers"] = [provider_config]
hs = self.setup_test_homeserver(config=config, http_client=client)
return hs
def prepare(self, reactor, clock, hs):
self.media_repo = hs.get_media_repository_resource()
self.download_resource = self.media_repo.children[b"download"]
# smol png
self.end_content = unhexlify(
b"89504e470d0a1a0a0000000d4948445200000001000000010806"
b"0000001f15c4890000000a49444154789c63000100000500010d"
b"0a2db40000000049454e44ae426082"
)
def _req(self, content_disposition):
request, channel = self.make_request(
"GET", "example.com/12345", shorthand=False
)
request.render(self.download_resource)
self.pump()
# We've made one fetch, to example.com, using the media URL, and asking
# the other server not to do a remote fetch
self.assertEqual(len(self.fetches), 1)
self.assertEqual(self.fetches[0][1], "example.com")
self.assertEqual(
self.fetches[0][2], "/_matrix/media/v1/download/example.com/12345"
)
self.assertEqual(self.fetches[0][3], {"allow_remote": "false"})
headers = {
b"Content-Length": [b"%d" % (len(self.end_content))],
b"Content-Type": [b"image/png"],
}
if content_disposition:
headers[b"Content-Disposition"] = [content_disposition]
self.fetches[0][0].callback(
(self.end_content, (len(self.end_content), headers))
)
self.pump()
self.assertEqual(channel.code, 200)
return channel
def test_disposition_filename_ascii(self):
"""
If the filename is filename=<ascii> then Synapse will decode it as an
ASCII string, and use filename= in the response.
"""
channel = self._req(b"inline; filename=out.png")
headers = channel.headers
self.assertEqual(headers.getRawHeaders(b"Content-Type"), [b"image/png"])
self.assertEqual(
headers.getRawHeaders(b"Content-Disposition"), [b"inline; filename=out.png"]
)
def test_disposition_filenamestar_utf8escaped(self):
"""
If the filename is filename=*utf8''<utf8 escaped> then Synapse will
correctly decode it as the UTF-8 string, and use filename* in the
response.
"""
filename = parse.quote("\u2603".encode("utf8")).encode("ascii")
channel = self._req(b"inline; filename*=utf-8''" + filename + b".png")
headers = channel.headers
self.assertEqual(headers.getRawHeaders(b"Content-Type"), [b"image/png"])
self.assertEqual(
headers.getRawHeaders(b"Content-Disposition"),
[b"inline; filename*=utf-8''" + filename + b".png"],
)
def test_disposition_none(self):
"""
If there is no filename, one isn't passed on in the Content-Disposition
of the request.
"""
channel = self._req(None)
headers = channel.headers
self.assertEqual(headers.getRawHeaders(b"Content-Type"), [b"image/png"])
self.assertEqual(headers.getRawHeaders(b"Content-Disposition"), None)
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