mirror of
https://git.anonymousland.org/anonymousland/synapse.git
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378 lines
13 KiB
Python
378 lines
13 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import shutil
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import tempfile
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from binascii import unhexlify
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from io import BytesIO
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from typing import Optional
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from urllib import parse
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from mock import Mock
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import attr
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from parameterized import parameterized_class
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from PIL import Image as Image
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from twisted.internet import defer
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from twisted.internet.defer import Deferred
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from synapse.logging.context import make_deferred_yieldable
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from synapse.rest.media.v1._base import FileInfo
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from synapse.rest.media.v1.filepath import MediaFilePaths
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from synapse.rest.media.v1.media_storage import MediaStorage
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from synapse.rest.media.v1.storage_provider import FileStorageProviderBackend
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from tests import unittest
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from tests.server import FakeSite, make_request
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class MediaStorageTests(unittest.HomeserverTestCase):
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needs_threadpool = True
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def prepare(self, reactor, clock, hs):
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self.test_dir = tempfile.mkdtemp(prefix="synapse-tests-")
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self.addCleanup(shutil.rmtree, self.test_dir)
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self.primary_base_path = os.path.join(self.test_dir, "primary")
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self.secondary_base_path = os.path.join(self.test_dir, "secondary")
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hs.config.media_store_path = self.primary_base_path
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storage_providers = [FileStorageProviderBackend(hs, self.secondary_base_path)]
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self.filepaths = MediaFilePaths(self.primary_base_path)
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self.media_storage = MediaStorage(
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hs, self.primary_base_path, self.filepaths, storage_providers
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)
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def test_ensure_media_is_in_local_cache(self):
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media_id = "some_media_id"
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test_body = "Test\n"
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# First we create a file that is in a storage provider but not in the
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# local primary media store
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rel_path = self.filepaths.local_media_filepath_rel(media_id)
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secondary_path = os.path.join(self.secondary_base_path, rel_path)
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os.makedirs(os.path.dirname(secondary_path))
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with open(secondary_path, "w") as f:
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f.write(test_body)
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# Now we run ensure_media_is_in_local_cache, which should copy the file
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# to the local cache.
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file_info = FileInfo(None, media_id)
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# This uses a real blocking threadpool so we have to wait for it to be
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# actually done :/
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x = defer.ensureDeferred(
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self.media_storage.ensure_media_is_in_local_cache(file_info)
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)
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# Hotloop until the threadpool does its job...
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self.wait_on_thread(x)
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local_path = self.get_success(x)
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self.assertTrue(os.path.exists(local_path))
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# Asserts the file is under the expected local cache directory
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self.assertEquals(
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os.path.commonprefix([self.primary_base_path, local_path]),
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self.primary_base_path,
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)
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with open(local_path) as f:
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body = f.read()
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self.assertEqual(test_body, body)
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@attr.s
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class _TestImage:
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"""An image for testing thumbnailing with the expected results
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Attributes:
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data: The raw image to thumbnail
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content_type: The type of the image as a content type, e.g. "image/png"
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extension: The extension associated with the format, e.g. ".png"
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expected_cropped: The expected bytes from cropped thumbnailing, or None if
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test should just check for success.
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expected_scaled: The expected bytes from scaled thumbnailing, or None if
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test should just check for a valid image returned.
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"""
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data = attr.ib(type=bytes)
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content_type = attr.ib(type=bytes)
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extension = attr.ib(type=bytes)
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expected_cropped = attr.ib(type=Optional[bytes])
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expected_scaled = attr.ib(type=Optional[bytes])
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expected_found = attr.ib(default=True, type=bool)
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@parameterized_class(
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("test_image",),
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[
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# smoll png
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(
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_TestImage(
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unhexlify(
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b"89504e470d0a1a0a0000000d4948445200000001000000010806"
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b"0000001f15c4890000000a49444154789c63000100000500010d"
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b"0a2db40000000049454e44ae426082"
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),
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b"image/png",
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b".png",
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unhexlify(
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b"89504e470d0a1a0a0000000d4948445200000020000000200806"
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b"000000737a7af40000001a49444154789cedc101010000008220"
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b"ffaf6e484001000000ef0610200001194334ee0000000049454e"
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b"44ae426082"
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),
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unhexlify(
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b"89504e470d0a1a0a0000000d4948445200000001000000010806"
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b"0000001f15c4890000000d49444154789c636060606000000005"
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b"0001a5f645400000000049454e44ae426082"
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),
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),
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),
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# small lossless webp
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(
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_TestImage(
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unhexlify(
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b"524946461a000000574542505650384c0d0000002f0000001007"
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b"1011118888fe0700"
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),
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b"image/webp",
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b".webp",
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None,
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None,
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),
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),
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# an empty file
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(_TestImage(b"", b"image/gif", b".gif", None, None, False,),),
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],
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)
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class MediaRepoTests(unittest.HomeserverTestCase):
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hijack_auth = True
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user_id = "@test:user"
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def make_homeserver(self, reactor, clock):
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self.fetches = []
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def get_file(destination, path, output_stream, args=None, max_size=None):
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"""
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Returns tuple[int,dict,str,int] of file length, response headers,
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absolute URI, and response code.
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"""
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def write_to(r):
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data, response = r
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output_stream.write(data)
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return response
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d = Deferred()
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d.addCallback(write_to)
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self.fetches.append((d, destination, path, args))
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return make_deferred_yieldable(d)
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client = Mock()
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client.get_file = get_file
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self.storage_path = self.mktemp()
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self.media_store_path = self.mktemp()
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os.mkdir(self.storage_path)
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os.mkdir(self.media_store_path)
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config = self.default_config()
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config["media_store_path"] = self.media_store_path
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config["thumbnail_requirements"] = {}
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config["max_image_pixels"] = 2000000
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provider_config = {
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"module": "synapse.rest.media.v1.storage_provider.FileStorageProviderBackend",
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"store_local": True,
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"store_synchronous": False,
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"store_remote": True,
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"config": {"directory": self.storage_path},
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}
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config["media_storage_providers"] = [provider_config]
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hs = self.setup_test_homeserver(config=config, federation_http_client=client)
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return hs
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def prepare(self, reactor, clock, hs):
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self.media_repo = hs.get_media_repository_resource()
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self.download_resource = self.media_repo.children[b"download"]
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self.thumbnail_resource = self.media_repo.children[b"thumbnail"]
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self.media_id = "example.com/12345"
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def _req(self, content_disposition):
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channel = make_request(
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self.reactor,
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FakeSite(self.download_resource),
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"GET",
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self.media_id,
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shorthand=False,
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await_result=False,
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)
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self.pump()
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# We've made one fetch, to example.com, using the media URL, and asking
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# the other server not to do a remote fetch
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self.assertEqual(len(self.fetches), 1)
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self.assertEqual(self.fetches[0][1], "example.com")
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self.assertEqual(
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self.fetches[0][2], "/_matrix/media/r0/download/" + self.media_id
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)
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self.assertEqual(self.fetches[0][3], {"allow_remote": "false"})
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headers = {
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b"Content-Length": [b"%d" % (len(self.test_image.data))],
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b"Content-Type": [self.test_image.content_type],
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}
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if content_disposition:
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headers[b"Content-Disposition"] = [content_disposition]
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self.fetches[0][0].callback(
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(self.test_image.data, (len(self.test_image.data), headers))
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)
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self.pump()
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self.assertEqual(channel.code, 200)
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return channel
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def test_disposition_filename_ascii(self):
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"""
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If the filename is filename=<ascii> then Synapse will decode it as an
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ASCII string, and use filename= in the response.
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"""
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channel = self._req(b"inline; filename=out" + self.test_image.extension)
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headers = channel.headers
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self.assertEqual(
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headers.getRawHeaders(b"Content-Type"), [self.test_image.content_type]
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)
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self.assertEqual(
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headers.getRawHeaders(b"Content-Disposition"),
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[b"inline; filename=out" + self.test_image.extension],
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)
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def test_disposition_filenamestar_utf8escaped(self):
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"""
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If the filename is filename=*utf8''<utf8 escaped> then Synapse will
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correctly decode it as the UTF-8 string, and use filename* in the
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response.
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"""
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filename = parse.quote("\u2603".encode("utf8")).encode("ascii")
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channel = self._req(
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b"inline; filename*=utf-8''" + filename + self.test_image.extension
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)
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headers = channel.headers
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self.assertEqual(
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headers.getRawHeaders(b"Content-Type"), [self.test_image.content_type]
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)
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self.assertEqual(
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headers.getRawHeaders(b"Content-Disposition"),
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[b"inline; filename*=utf-8''" + filename + self.test_image.extension],
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)
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def test_disposition_none(self):
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"""
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If there is no filename, one isn't passed on in the Content-Disposition
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of the request.
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"""
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channel = self._req(None)
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headers = channel.headers
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self.assertEqual(
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headers.getRawHeaders(b"Content-Type"), [self.test_image.content_type]
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)
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self.assertEqual(headers.getRawHeaders(b"Content-Disposition"), None)
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def test_thumbnail_crop(self):
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self._test_thumbnail(
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"crop", self.test_image.expected_cropped, self.test_image.expected_found
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)
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def test_thumbnail_scale(self):
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self._test_thumbnail(
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"scale", self.test_image.expected_scaled, self.test_image.expected_found
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)
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def _test_thumbnail(self, method, expected_body, expected_found):
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params = "?width=32&height=32&method=" + method
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channel = make_request(
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self.reactor,
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FakeSite(self.thumbnail_resource),
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"GET",
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self.media_id + params,
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shorthand=False,
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await_result=False,
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)
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self.pump()
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headers = {
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b"Content-Length": [b"%d" % (len(self.test_image.data))],
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b"Content-Type": [self.test_image.content_type],
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}
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self.fetches[0][0].callback(
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(self.test_image.data, (len(self.test_image.data), headers))
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)
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self.pump()
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if expected_found:
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self.assertEqual(channel.code, 200)
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if expected_body is not None:
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self.assertEqual(
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channel.result["body"], expected_body, channel.result["body"]
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)
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else:
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# ensure that the result is at least some valid image
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Image.open(BytesIO(channel.result["body"]))
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else:
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# A 404 with a JSON body.
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self.assertEqual(channel.code, 404)
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self.assertEqual(
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channel.json_body,
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{
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"errcode": "M_NOT_FOUND",
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"error": "Not found [b'example.com', b'12345']",
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},
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)
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def test_x_robots_tag_header(self):
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"""
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Tests that the `X-Robots-Tag` header is present, which informs web crawlers
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to not index, archive, or follow links in media.
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"""
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channel = self._req(b"inline; filename=out" + self.test_image.extension)
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headers = channel.headers
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self.assertEqual(
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headers.getRawHeaders(b"X-Robots-Tag"),
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[b"noindex, nofollow, noarchive, noimageindex"],
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)
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