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00c93d2e7e
Attempt to parse any valid information from an oEmbed response (instead of bailing at the first unexpected data). This should allow for more partial oEmbed data to be returned, resulting in better / more URL previews, even if those URL previews are only partial.
153 lines
6.2 KiB
Python
153 lines
6.2 KiB
Python
# Copyright 2021 The Matrix.org Foundation C.I.C.
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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 json
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from parameterized import parameterized
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.rest.media.v1.oembed import OEmbedProvider, OEmbedResult
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from synapse.server import HomeServer
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase
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try:
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import lxml
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except ImportError:
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lxml = None
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class OEmbedTests(HomeserverTestCase):
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if not lxml:
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skip = "url preview feature requires lxml"
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.oembed = OEmbedProvider(hs)
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def parse_response(self, response: JsonDict) -> OEmbedResult:
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return self.oembed.parse_oembed_response(
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"https://test", json.dumps(response).encode("utf-8")
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)
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def test_version(self) -> None:
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"""Accept versions that are similar to 1.0 as a string or int (or missing)."""
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for version in ("1.0", 1.0, 1):
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result = self.parse_response({"version": version})
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# An empty Open Graph response is an error, ensure the URL is included.
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self.assertIn("og:url", result.open_graph_result)
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# A missing version should be treated as 1.0.
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result = self.parse_response({"type": "link"})
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self.assertIn("og:url", result.open_graph_result)
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# Invalid versions should be rejected.
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for version in ("2.0", "1", 1.1, 0, None, {}, []):
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result = self.parse_response({"version": version, "type": "link"})
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# An empty Open Graph response is an error, ensure the URL is included.
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self.assertEqual({}, result.open_graph_result)
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def test_cache_age(self) -> None:
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"""Ensure a cache-age is parsed properly."""
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# Correct-ish cache ages are allowed.
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for cache_age in ("1", 1.0, 1):
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result = self.parse_response({"cache_age": cache_age})
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self.assertEqual(result.cache_age, 1000)
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# Invalid cache ages are ignored.
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for cache_age in ("invalid", {}):
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result = self.parse_response({"cache_age": cache_age})
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self.assertIsNone(result.cache_age)
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# Cache age is optional.
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result = self.parse_response({})
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self.assertIsNone(result.cache_age)
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@parameterized.expand(
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[
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("title", "title"),
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("provider_name", "site_name"),
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("thumbnail_url", "image"),
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],
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name_func=lambda func, num, p: f"{func.__name__}_{p.args[0]}",
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)
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def test_property(self, oembed_property: str, open_graph_property: str) -> None:
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"""Test properties which must be strings."""
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result = self.parse_response({oembed_property: "test"})
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self.assertIn(f"og:{open_graph_property}", result.open_graph_result)
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self.assertEqual(result.open_graph_result[f"og:{open_graph_property}"], "test")
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result = self.parse_response({oembed_property: 1})
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self.assertNotIn(f"og:{open_graph_property}", result.open_graph_result)
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def test_author_name(self) -> None:
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"""Test the author_name property."""
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result = self.parse_response({"author_name": "test"})
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self.assertEqual(result.author_name, "test")
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result = self.parse_response({"author_name": 1})
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self.assertIsNone(result.author_name)
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def test_rich(self) -> None:
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"""Test a type of rich."""
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result = self.parse_response({"html": "test<img src='foo'>", "type": "rich"})
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self.assertIn("og:description", result.open_graph_result)
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self.assertIn("og:image", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:description"], "test")
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self.assertEqual(result.open_graph_result["og:image"], "foo")
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result = self.parse_response({"type": "rich"})
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self.assertNotIn("og:description", result.open_graph_result)
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result = self.parse_response({"html": 1, "type": "rich"})
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self.assertNotIn("og:description", result.open_graph_result)
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def test_photo(self) -> None:
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"""Test a type of photo."""
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result = self.parse_response({"url": "test", "type": "photo"})
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self.assertIn("og:image", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:image"], "test")
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result = self.parse_response({"type": "photo"})
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self.assertNotIn("og:image", result.open_graph_result)
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result = self.parse_response({"url": 1, "type": "photo"})
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self.assertNotIn("og:image", result.open_graph_result)
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def test_video(self) -> None:
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"""Test a type of video."""
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result = self.parse_response({"html": "test", "type": "video"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "video.other")
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self.assertIn("og:description", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:description"], "test")
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result = self.parse_response({"type": "video"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "video.other")
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self.assertNotIn("og:description", result.open_graph_result)
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result = self.parse_response({"url": 1, "type": "video"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "video.other")
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self.assertNotIn("og:description", result.open_graph_result)
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def test_link(self) -> None:
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"""Test type of link."""
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result = self.parse_response({"type": "link"})
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self.assertIn("og:type", result.open_graph_result)
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self.assertEqual(result.open_graph_result["og:type"], "website")
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