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https://mau.dev/maunium/synapse.git
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164 lines
5 KiB
Python
164 lines
5 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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from mock import Mock
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from twisted.internet.defer import Deferred
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from synapse.config.repository import MediaStorageProviderConfig
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from synapse.util.module_loader import load_module
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from tests import unittest
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class URLPreviewTests(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.storage_path = self.mktemp()
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os.mkdir(self.storage_path)
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config = self.default_config()
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config.url_preview_enabled = True
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config.max_spider_size = 9999999
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config.url_preview_url_blacklist = []
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config.media_store_path = self.storage_path
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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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loaded = list(load_module(provider_config)) + [
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MediaStorageProviderConfig(False, False, False)
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]
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config.media_storage_providers = [loaded]
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hs = self.setup_test_homeserver(config=config)
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return hs
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def prepare(self, reactor, clock, hs):
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self.fetches = []
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def get_file(url, output_stream, max_size):
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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, url))
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return d
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client = Mock()
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client.get_file = get_file
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self.media_repo = hs.get_media_repository_resource()
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preview_url = self.media_repo.children[b'preview_url']
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preview_url.client = client
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self.preview_url = preview_url
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def test_cache_returns_correct_type(self):
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request, channel = self.make_request(
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"GET", "url_preview?url=matrix.org", shorthand=False
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)
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request.render(self.preview_url)
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self.pump()
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# We've made one fetch
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self.assertEqual(len(self.fetches), 1)
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end_content = (
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b'<html><head>'
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b'<meta property="og:title" content="~matrix~" />'
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b'<meta property="og:description" content="hi" />'
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b'</head></html>'
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)
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self.fetches[0][0].callback(
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(
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end_content,
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(
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len(end_content),
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{
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b"Content-Length": [b"%d" % (len(end_content))],
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b"Content-Type": [b'text/html; charset="utf8"'],
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},
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"https://example.com",
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200,
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),
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)
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)
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self.pump()
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self.assertEqual(channel.code, 200)
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self.assertEqual(
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channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
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)
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# Check the cache returns the correct response
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request, channel = self.make_request(
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"GET", "url_preview?url=matrix.org", shorthand=False
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)
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request.render(self.preview_url)
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self.pump()
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# Only one fetch, still, since we'll lean on the cache
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self.assertEqual(len(self.fetches), 1)
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# Check the cache response has the same content
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self.assertEqual(channel.code, 200)
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self.assertEqual(
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channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
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)
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# Clear the in-memory cache
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self.assertIn("matrix.org", self.preview_url._cache)
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self.preview_url._cache.pop("matrix.org")
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self.assertNotIn("matrix.org", self.preview_url._cache)
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# Check the database cache returns the correct response
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request, channel = self.make_request(
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"GET", "url_preview?url=matrix.org", shorthand=False
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)
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request.render(self.preview_url)
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self.pump()
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# Only one fetch, still, since we'll lean on the cache
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self.assertEqual(len(self.fetches), 1)
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# Check the cache response has the same content
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self.assertEqual(channel.code, 200)
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self.assertEqual(
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channel.json_body, {"og:title": "~matrix~", "og:description": "hi"}
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)
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