zulip/zerver/tests/test_link_embed.py

1039 lines
43 KiB
Python

import re
from collections import OrderedDict
from typing import Any
from unittest import mock
from urllib.parse import parse_qsl, urlencode, urlsplit, urlunsplit
import responses
from django.test import override_settings
from django.utils.html import escape
from pyoembed.providers import get_provider
from requests.exceptions import ConnectionError
from typing_extensions import override
from zerver.actions.message_delete import do_delete_messages
from zerver.lib.cache import cache_delete, cache_get, preview_url_cache_key
from zerver.lib.camo import get_camo_url
from zerver.lib.queue import queue_json_publish
from zerver.lib.test_classes import ZulipTestCase
from zerver.lib.test_helpers import mock_queue_publish
from zerver.lib.url_preview.oembed import get_oembed_data, strip_cdata
from zerver.lib.url_preview.parsers import GenericParser, OpenGraphParser
from zerver.lib.url_preview.preview import get_link_embed_data
from zerver.lib.url_preview.types import UrlEmbedData, UrlOEmbedData
from zerver.models import Message, Realm, UserProfile
from zerver.worker.embed_links import FetchLinksEmbedData
def reconstruct_url(url: str, maxwidth: int = 640, maxheight: int = 480) -> str:
# The following code is taken from
# https://github.com/rafaelmartins/pyoembed/blob/master/pyoembed/__init__.py.
# This is a helper function which will be indirectly use to mock the HTTP responses.
provider = get_provider(str(url))
oembed_url = provider.oembed_url(url)
scheme, netloc, path, query_string, fragment = urlsplit(oembed_url)
query_params = OrderedDict(parse_qsl(query_string))
query_params["maxwidth"] = str(maxwidth)
query_params["maxheight"] = str(maxheight)
final_url = urlunsplit((scheme, netloc, path, urlencode(query_params, True), fragment))
return final_url
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
class OembedTestCase(ZulipTestCase):
@responses.activate
def test_present_provider(self) -> None:
response_data = {
"type": "rich",
"thumbnail_url": "https://scontent.cdninstagram.com/t51.2885-15/n.jpg",
"thumbnail_width": 640,
"thumbnail_height": 426,
"title": "NASA",
"html": "<p>test</p>",
"version": "1.0",
"width": 658,
"height": 400,
}
url = "http://instagram.com/p/BLtI2WdAymy"
reconstructed_url = reconstruct_url(url)
responses.add(
responses.GET,
reconstructed_url,
json=response_data,
status=200,
)
data = get_oembed_data(url)
assert data is not None
self.assertIsInstance(data, UrlEmbedData)
self.assertEqual(data.title, response_data["title"])
@responses.activate
def test_photo_provider(self) -> None:
response_data = {
"type": "photo",
"thumbnail_url": "https://scontent.cdninstagram.com/t51.2885-15/n.jpg",
"url": "https://scontent.cdninstagram.com/t51.2885-15/n.jpg",
"thumbnail_width": 640,
"thumbnail_height": 426,
"title": "NASA",
"html": "<p>test</p>",
"version": "1.0",
"width": 658,
"height": 400,
}
# pyoembed.providers.imgur only works with http:// URLs, not https:// (!)
url = "http://imgur.com/photo/158727223"
reconstructed_url = reconstruct_url(url)
responses.add(
responses.GET,
reconstructed_url,
json=response_data,
status=200,
)
data = get_oembed_data(url)
assert data is not None
self.assertIsInstance(data, UrlOEmbedData)
self.assertEqual(data.title, response_data["title"])
@responses.activate
def test_video_provider(self) -> None:
response_data = {
"type": "video",
"thumbnail_url": "https://scontent.cdninstagram.com/t51.2885-15/n.jpg",
"thumbnail_width": 640,
"thumbnail_height": 426,
"title": "NASA",
"html": "<p>test</p>",
"version": "1.0",
"width": 658,
"height": 400,
}
url = "http://blip.tv/video/158727223"
reconstructed_url = reconstruct_url(url)
responses.add(
responses.GET,
reconstructed_url,
json=response_data,
status=200,
)
data = get_oembed_data(url)
assert data is not None
self.assertIsInstance(data, UrlOEmbedData)
self.assertEqual(data.title, response_data["title"])
@responses.activate
def test_connect_error_request(self) -> None:
url = "http://instagram.com/p/BLtI2WdAymy"
reconstructed_url = reconstruct_url(url)
responses.add(responses.GET, reconstructed_url, body=ConnectionError())
data = get_oembed_data(url)
self.assertIsNone(data)
@responses.activate
def test_400_error_request(self) -> None:
url = "http://instagram.com/p/BLtI2WdAymy"
reconstructed_url = reconstruct_url(url)
responses.add(responses.GET, reconstructed_url, status=400)
data = get_oembed_data(url)
self.assertIsNone(data)
@responses.activate
def test_500_error_request(self) -> None:
url = "http://instagram.com/p/BLtI2WdAymy"
reconstructed_url = reconstruct_url(url)
responses.add(responses.GET, reconstructed_url, status=500)
data = get_oembed_data(url)
self.assertIsNone(data)
@responses.activate
def test_invalid_json_in_response(self) -> None:
url = "http://instagram.com/p/BLtI2WdAymy"
reconstructed_url = reconstruct_url(url)
responses.add(
responses.GET,
reconstructed_url,
json="{invalid json}",
status=200,
)
data = get_oembed_data(url)
self.assertIsNone(data)
def test_oembed_html(self) -> None:
html = '<iframe src="//www.instagram.com/embed.js"></iframe>'
stripped_html = strip_cdata(html)
self.assertEqual(html, stripped_html)
def test_autodiscovered_oembed_xml_format_html(self) -> None:
iframe_content = '<iframe src="https://w.soundcloud.com/player"></iframe>'
html = f"<![CDATA[{iframe_content}]]>"
stripped_html = strip_cdata(html)
self.assertEqual(iframe_content, stripped_html)
class OpenGraphParserTestCase(ZulipTestCase):
def test_page_with_og(self) -> None:
html = b"""<html>
<head>
<meta property="og:title" content="The Rock" />
<meta property="og:type" content="video.movie" />
<meta property="og:url" content="http://www.imdb.com/title/tt0117500/" />
<meta property="og:image" content="http://ia.media-imdb.com/images/rock.jpg" />
<meta property="og:description" content="The Rock film" />
</head>
</html>"""
parser = OpenGraphParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertEqual(result.title, "The Rock")
self.assertEqual(result.description, "The Rock film")
def test_charset_in_header(self) -> None:
html = """<html>
<head>
<meta property="og:title" content="中文" />
</head>
</html>""".encode("big5")
parser = OpenGraphParser(html, "text/html; charset=Big5")
result = parser.extract_data()
self.assertEqual(result.title, "中文")
def test_charset_in_meta(self) -> None:
html = """<html>
<head>
<meta content-type="text/html; charset=Big5" />
<meta property="og:title" content="中文" />
</head>
</html>""".encode("big5")
parser = OpenGraphParser(html, "text/html")
result = parser.extract_data()
self.assertEqual(result.title, "中文")
class GenericParserTestCase(ZulipTestCase):
def test_parser(self) -> None:
html = b"""
<html>
<head><title>Test title</title></head>
<body>
<h1>Main header</h1>
<p>Description text</p>
</body>
</html>
"""
parser = GenericParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertEqual(result.title, "Test title")
self.assertEqual(result.description, "Description text")
def test_extract_image(self) -> None:
html = b"""
<html>
<body>
<h1>Main header</h1>
<img data-src="Not an image">
<img src="http://test.com/test.jpg">
<div>
<p>Description text</p>
</div>
</body>
</html>
"""
parser = GenericParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertEqual(result.title, "Main header")
self.assertEqual(result.description, "Description text")
self.assertEqual(result.image, "http://test.com/test.jpg")
def test_extract_bad_image(self) -> None:
html = b"""
<html>
<body>
<h1>Main header</h1>
<img data-src="Not an image">
<img src="http://[bad url/test.jpg">
<div>
<p>Description text</p>
</div>
</body>
</html>
"""
parser = GenericParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertEqual(result.title, "Main header")
self.assertEqual(result.description, "Description text")
self.assertIsNone(result.image)
def test_extract_description(self) -> None:
html = b"""
<html>
<body>
<div>
<div>
<p>Description text</p>
</div>
</div>
</body>
</html>
"""
parser = GenericParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertEqual(result.description, "Description text")
html = b"""
<html>
<head><meta name="description" content="description 123"</head>
<body></body>
</html>
"""
parser = GenericParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertEqual(result.description, "description 123")
html = b"<html><body></body></html>"
parser = GenericParser(html, "text/html; charset=UTF-8")
result = parser.extract_data()
self.assertIsNone(result.description)
class PreviewTestCase(ZulipTestCase):
open_graph_html = """
<html>
<head>
<title>Test title</title>
<meta property="og:title" content="The Rock" />
<meta property="og:type" content="video.movie" />
<meta property="og:url" content="http://www.imdb.com/title/tt0117500/" />
<meta property="og:image" content="http://ia.media-imdb.com/images/rock.jpg" />
<meta http-equiv="refresh" content="30" />
<meta property="notog:extra-text" content="Extra!" />
</head>
<body>
<h1>Main header</h1>
<p>Description text</p>
</body>
</html>
"""
@override
def setUp(self) -> None:
super().setUp()
Realm.objects.all().update(inline_url_embed_preview=True)
@classmethod
def create_mock_response(
cls,
url: str,
status: int = 200,
relative_url: bool = False,
content_type: str = "text/html",
body: str | ConnectionError | None = None,
) -> None:
if body is None:
body = cls.open_graph_html
if relative_url is True and isinstance(body, str):
body = body.replace("http://ia.media-imdb.com", "")
responses.add(responses.GET, url, body=body, status=status, content_type=content_type)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_edit_message_history(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
msg_id = self.send_stream_message(user, "Denmark", topic_name="editing", content="original")
url = "http://test.org/"
self.create_mock_response(url)
with mock_queue_publish("zerver.actions.message_edit.queue_json_publish") as patched:
result = self.client_patch(
"/json/messages/" + str(msg_id),
{
"content": url,
},
)
self.assert_json_success(result)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
embedded_link = f'<a href="{url}" title="The Rock">The Rock</a>'
msg = Message.objects.select_related("sender").get(id=msg_id)
assert msg.rendered_content is not None
self.assertIn(embedded_link, msg.rendered_content)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def _send_message_with_test_org_url(
self, sender: UserProfile, queue_should_run: bool = True, relative_url: bool = False
) -> Message:
url = "http://test.org/"
# Ensure the cache for this is empty
cache_delete(preview_url_cache_key(url))
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_personal_message(
sender,
self.example_user("cordelia"),
content=url,
)
if queue_should_run:
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
else:
patched.assert_not_called()
# If we nothing was put in the queue, we don't need to
# run the queue processor or any of the following code
return Message.objects.select_related("sender").get(id=msg_id)
# Verify the initial message doesn't have the embedded links rendered
msg = Message.objects.select_related("sender").get(id=msg_id)
assert msg.rendered_content is not None
self.assertNotIn(f'<a href="{url}" title="The Rock">The Rock</a>', msg.rendered_content)
self.create_mock_response(url, relative_url=relative_url)
# Run the queue processor to potentially rerender things
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
msg = Message.objects.select_related("sender").get(id=msg_id)
return msg
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_message_update_race_condition(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
original_url = "http://test.org/"
edited_url = "http://edited.org/"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(
user, "Denmark", topic_name="foo", content=original_url
)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
def wrapped_queue_json_publish(*args: Any, **kwargs: Any) -> None:
self.create_mock_response(original_url)
self.create_mock_response(edited_url)
with self.settings(TEST_SUITE=False), self.assertLogs(level="INFO") as info_logs:
# Run the queue processor. This will simulate the event for original_url being
# processed after the message has been edited.
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
msg = Message.objects.select_related("sender").get(id=msg_id)
assert msg.rendered_content is not None
# The content of the message has changed since the event for original_url has been created,
# it should not be rendered. Another, up-to-date event will have been sent (edited_url).
self.assertNotIn(
f'<a href="{original_url}" title="The Rock">The Rock</a>', msg.rendered_content
)
self.assertTrue(responses.assert_call_count(edited_url, 0))
with self.settings(TEST_SUITE=False), self.assertLogs(level="INFO") as info_logs:
# Now proceed with the original queue_json_publish and call the
# up-to-date event for edited_url.
queue_json_publish(*args, **kwargs)
msg = Message.objects.select_related("sender").get(id=msg_id)
assert msg.rendered_content is not None
self.assertIn(
f'<a href="{edited_url}" title="The Rock">The Rock</a>',
msg.rendered_content,
)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://edited.org/: "
in info_logs.output[0]
)
with mock_queue_publish(
"zerver.actions.message_edit.queue_json_publish", wraps=wrapped_queue_json_publish
):
result = self.client_patch(
"/json/messages/" + str(msg_id),
{
"content": edited_url,
},
)
self.assert_json_success(result)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_message_deleted(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
msg = Message.objects.select_related("sender").get(id=msg_id)
do_delete_messages(msg.realm, [msg], acting_user=None)
# We do still fetch the URL, as we don't want to incur the
# cost of locking the row while we do the HTTP fetches.
self.create_mock_response(url)
with self.settings(TEST_SUITE=False), self.assertLogs(level="INFO") as info_logs:
# Run the queue processor. This will simulate the event for original_url being
# processed after the message has been deleted.
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
def test_get_link_embed_data(self) -> None:
url = "http://test.org/"
embedded_link = f'<a href="{url}" title="The Rock">The Rock</a>'
# When humans send, we should get embedded content.
msg = self._send_message_with_test_org_url(sender=self.example_user("hamlet"))
self.assertIn(embedded_link, msg.rendered_content)
# We don't want embedded content for bots.
msg = self._send_message_with_test_org_url(
sender=self.example_user("webhook_bot"), queue_should_run=False
)
self.assertNotIn(embedded_link, msg.rendered_content)
# Try another human to make sure bot failure was due to the
# bot sending the message and not some other reason.
msg = self._send_message_with_test_org_url(sender=self.example_user("prospero"))
self.assertIn(embedded_link, msg.rendered_content)
@override_settings(CAMO_URI="")
def test_inline_url_embed_preview(self) -> None:
with_preview = '<p><a href="http://test.org/">http://test.org/</a></p>\n<div class="message_embed"><a class="message_embed_image" href="http://test.org/" style="background-image: url(&quot;http://ia.media-imdb.com/images/rock.jpg&quot;)"></a><div class="data-container"><div class="message_embed_title"><a href="http://test.org/" title="The Rock">The Rock</a></div><div class="message_embed_description">Description text</div></div></div>'
without_preview = '<p><a href="http://test.org/">http://test.org/</a></p>'
msg = self._send_message_with_test_org_url(sender=self.example_user("hamlet"))
self.assertEqual(msg.rendered_content, with_preview)
realm = msg.get_realm()
realm.inline_url_embed_preview = False
realm.save()
msg = self._send_message_with_test_org_url(
sender=self.example_user("prospero"), queue_should_run=False
)
self.assertEqual(msg.rendered_content, without_preview)
def test_inline_url_embed_preview_with_camo(self) -> None:
camo_url = get_camo_url("http://ia.media-imdb.com/images/rock.jpg")
with_preview = (
'<p><a href="http://test.org/">http://test.org/</a></p>\n<div class="message_embed"><a class="message_embed_image" href="http://test.org/" style="background-image: url(&quot;'
+ camo_url
+ '&quot;)"></a><div class="data-container"><div class="message_embed_title"><a href="http://test.org/" title="The Rock">The Rock</a></div><div class="message_embed_description">Description text</div></div></div>'
)
msg = self._send_message_with_test_org_url(sender=self.example_user("hamlet"))
self.assertEqual(msg.rendered_content, with_preview)
@responses.activate
@override_settings(CAMO_URI="")
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_link_preview_css_escaping_image(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
# Swap the URL out for one with characters that need CSS escaping
html = re.sub(r"rock\.jpg", r"rock.jpg\\", self.open_graph_html)
self.create_mock_response(url, body=html)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
msg = Message.objects.select_related("sender").get(id=msg_id)
with_preview = (
'<p><a href="http://test.org/">http://test.org/</a></p>\n'
'<div class="message_embed"><a class="message_embed_image" href="http://test.org/"'
' style="background-image:'
' url(&quot;http://ia.media-imdb.com/images/rock.jpg\\\\&quot;)"></a><div'
' class="data-container"><div class="message_embed_title"><a href="http://test.org/"'
' title="The Rock">The Rock</a></div><div class="message_embed_description">Description'
" text</div></div></div>"
)
self.assertEqual(
with_preview,
msg.rendered_content,
)
@override_settings(CAMO_URI="")
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_inline_relative_url_embed_preview(self) -> None:
# Relative URLs should not be sent for URL preview.
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
self.send_personal_message(
self.example_user("prospero"),
self.example_user("cordelia"),
content="http://zulip.testserver/api/",
)
patched.assert_not_called()
@override_settings(CAMO_URI="")
def test_inline_url_embed_preview_with_relative_image_url(self) -> None:
with_preview_relative = '<p><a href="http://test.org/">http://test.org/</a></p>\n<div class="message_embed"><a class="message_embed_image" href="http://test.org/" style="background-image: url(&quot;http://test.org/images/rock.jpg&quot;)"></a><div class="data-container"><div class="message_embed_title"><a href="http://test.org/" title="The Rock">The Rock</a></div><div class="message_embed_description">Description text</div></div></div>'
# Try case where the Open Graph image is a relative URL.
msg = self._send_message_with_test_org_url(
sender=self.example_user("prospero"), relative_url=True
)
self.assertEqual(msg.rendered_content, with_preview_relative)
@responses.activate
def test_http_error_get_data(self) -> None:
url = "http://test.org/"
msg_id = self.send_personal_message(
self.example_user("hamlet"),
self.example_user("cordelia"),
content=url,
)
msg = Message.objects.select_related("sender").get(id=msg_id)
event = {
"message_id": msg_id,
"urls": [url],
"message_realm_id": msg.sender.realm_id,
"message_content": url,
}
self.create_mock_response(url, body=ConnectionError())
with self.settings(INLINE_URL_EMBED_PREVIEW=True, TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
msg = Message.objects.get(id=msg_id)
self.assertEqual(
'<p><a href="http://test.org/">http://test.org/</a></p>', msg.rendered_content
)
def test_invalid_link(self) -> None:
with self.settings(INLINE_URL_EMBED_PREVIEW=True, TEST_SUITE=False):
self.assertIsNone(get_link_embed_data("com.notvalidlink"))
self.assertIsNone(get_link_embed_data("μένει.com.notvalidlink"))
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_link_preview_non_html_data(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/audio.mp3"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
content_type = "application/octet-stream"
self.create_mock_response(url, content_type=content_type)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
cached_data = cache_get(preview_url_cache_key(url))[0]
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/audio.mp3: "
in info_logs.output[0]
)
self.assertIsNone(cached_data)
msg = Message.objects.select_related("sender").get(id=msg_id)
self.assertEqual(
'<p><a href="http://test.org/audio.mp3">http://test.org/audio.mp3</a></p>',
msg.rendered_content,
)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_link_preview_no_open_graph_image(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/foo.html"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
# HTML without the og:image metadata
html = "\n".join(
line for line in self.open_graph_html.splitlines() if "og:image" not in line
)
self.create_mock_response(url, body=html)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
cached_data = cache_get(preview_url_cache_key(url))[0]
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/foo.html: "
in info_logs.output[0]
)
assert cached_data is not None
self.assertIsNotNone(cached_data.title)
self.assertIsNone(cached_data.image)
msg = Message.objects.select_related("sender").get(id=msg_id)
self.assertEqual(
'<p><a href="http://test.org/foo.html">http://test.org/foo.html</a></p>',
msg.rendered_content,
)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_link_preview_open_graph_image_bad_url(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/foo.html"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
# HTML with a bad og:image metadata
html = "\n".join(
(
line
if "og:image" not in line
else '<meta property="og:image" content="http://[bad url/" />'
)
for line in self.open_graph_html.splitlines()
)
self.create_mock_response(url, body=html)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
cached_data = cache_get(preview_url_cache_key(url))[0]
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/foo.html: "
in info_logs.output[0]
)
assert cached_data is not None
self.assertIsNotNone(cached_data.title)
self.assertIsNone(cached_data.image)
msg = Message.objects.select_related("sender").get(id=msg_id)
self.assertEqual(
'<p><a href="http://test.org/foo.html">http://test.org/foo.html</a></p>',
msg.rendered_content,
)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_link_preview_open_graph_image_missing_content(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/foo.html"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
# HTML without the og:image metadata
html = "\n".join(
line if "og:image" not in line else '<meta property="og:image"/>'
for line in self.open_graph_html.splitlines()
)
self.create_mock_response(url, body=html)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
cached_data = cache_get(preview_url_cache_key(url))[0]
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/foo.html: "
in info_logs.output[0]
)
assert cached_data is not None
self.assertIsNotNone(cached_data.title)
self.assertIsNone(cached_data.image)
msg = Message.objects.select_related("sender").get(id=msg_id)
self.assertEqual(
'<p><a href="http://test.org/foo.html">http://test.org/foo.html</a></p>',
msg.rendered_content,
)
@responses.activate
@override_settings(CAMO_URI="")
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_link_preview_no_content_type_header(self) -> None:
user = self.example_user("hamlet")
self.login_user(user)
url = "http://test.org/"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit") as patched:
msg_id = self.send_stream_message(user, "Denmark", topic_name="foo", content=url)
patched.assert_called_once()
queue = patched.call_args[0][0]
self.assertEqual(queue, "embed_links")
event = patched.call_args[0][1]
self.create_mock_response(url)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
cached_data = cache_get(preview_url_cache_key(url))[0]
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
assert cached_data is not None
msg = Message.objects.select_related("sender").get(id=msg_id)
assert msg.rendered_content is not None
self.assertIn(cached_data.title, msg.rendered_content)
assert cached_data.image is not None
self.assertIn(cached_data.image, msg.rendered_content)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_valid_content_type_error_get_data(self) -> None:
url = "http://test.org/"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit"):
msg_id = self.send_personal_message(
self.example_user("hamlet"),
self.example_user("cordelia"),
content=url,
)
msg = Message.objects.select_related("sender").get(id=msg_id)
event = {
"message_id": msg_id,
"urls": [url],
"message_realm_id": msg.sender.realm_id,
"message_content": url,
}
self.create_mock_response(url, body=ConnectionError())
with (
mock.patch(
"zerver.lib.url_preview.preview.get_oembed_data",
side_effect=lambda *args, **kwargs: None,
),
mock.patch(
"zerver.lib.url_preview.preview.valid_content_type", side_effect=lambda k: True
),
self.settings(TEST_SUITE=False),
):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
# This did not get cached -- hence the lack of [0] on the cache_get
cached_data = cache_get(preview_url_cache_key(url))
self.assertIsNone(cached_data)
msg.refresh_from_db()
self.assertEqual(
'<p><a href="http://test.org/">http://test.org/</a></p>', msg.rendered_content
)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_invalid_url(self) -> None:
url = "http://test.org/"
error_url = "http://test.org/x"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit"):
msg_id = self.send_personal_message(
self.example_user("hamlet"),
self.example_user("cordelia"),
content=error_url,
)
msg = Message.objects.select_related("sender").get(id=msg_id)
event = {
"message_id": msg_id,
"urls": [error_url],
"message_realm_id": msg.sender.realm_id,
"message_content": error_url,
}
self.create_mock_response(error_url, status=404)
with self.settings(TEST_SUITE=False):
with self.assertLogs(level="INFO") as info_logs:
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/x: "
in info_logs.output[0]
)
# FIXME: Should we really cache this, especially without cache invalidation?
cached_data = cache_get(preview_url_cache_key(error_url))[0]
self.assertIsNone(cached_data)
msg.refresh_from_db()
self.assertEqual(
'<p><a href="http://test.org/x">http://test.org/x</a></p>', msg.rendered_content
)
self.assertTrue(responses.assert_call_count(url, 0))
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_safe_oembed_html_url(self) -> None:
url = "http://test.org/"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit"):
msg_id = self.send_personal_message(
self.example_user("hamlet"),
self.example_user("cordelia"),
content=url,
)
msg = Message.objects.select_related("sender").get(id=msg_id)
event = {
"message_id": msg_id,
"urls": [url],
"message_realm_id": msg.sender.realm_id,
"message_content": url,
}
mocked_data = UrlOEmbedData(
html=f'<iframe src="{url}"></iframe>',
type="video",
image=f"{url}/image.png",
)
self.create_mock_response(url)
with self.settings(TEST_SUITE=False):
with (
self.assertLogs(level="INFO") as info_logs,
mock.patch(
"zerver.lib.url_preview.preview.get_oembed_data",
lambda *args, **kwargs: mocked_data,
),
):
FetchLinksEmbedData().consume(event)
cached_data = cache_get(preview_url_cache_key(url))[0]
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for http://test.org/: "
in info_logs.output[0]
)
self.assertEqual(cached_data, mocked_data)
msg.refresh_from_db()
assert msg.rendered_content is not None
self.assertIn(f'a data-id="{escape(mocked_data.html)}"', msg.rendered_content)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_youtube_url_title_replaces_url(self) -> None:
url = "https://www.youtube.com/watch?v=eSJTXC7Ixgg"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit"):
msg_id = self.send_personal_message(
self.example_user("hamlet"),
self.example_user("cordelia"),
content=url,
)
msg = Message.objects.select_related("sender").get(id=msg_id)
event = {
"message_id": msg_id,
"urls": [url],
"message_realm_id": msg.sender.realm_id,
"message_content": url,
}
mocked_data = UrlEmbedData(
title="Clearer Code at Scale - Static Types at Zulip and Dropbox"
)
self.create_mock_response(url)
with self.settings(TEST_SUITE=False):
with (
self.assertLogs(level="INFO") as info_logs,
mock.patch(
"zerver.worker.embed_links.url_preview.get_link_embed_data",
lambda *args, **kwargs: mocked_data,
),
):
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for https://www.youtube.com/watch?v=eSJTXC7Ixgg:"
in info_logs.output[0]
)
msg.refresh_from_db()
expected_content = f"""<p><a href="https://www.youtube.com/watch?v=eSJTXC7Ixgg">YouTube - Clearer Code at Scale - Static Types at Zulip and Dropbox</a></p>\n<div class="youtube-video message_inline_image"><a data-id="eSJTXC7Ixgg" href="https://www.youtube.com/watch?v=eSJTXC7Ixgg"><img src="{get_camo_url("https://i.ytimg.com/vi/eSJTXC7Ixgg/default.jpg")}"></a></div>"""
self.assertEqual(expected_content, msg.rendered_content)
@responses.activate
@override_settings(INLINE_URL_EMBED_PREVIEW=True)
def test_custom_title_replaces_youtube_url_title(self) -> None:
url = "[YouTube link](https://www.youtube.com/watch?v=eSJTXC7Ixgg)"
with mock_queue_publish("zerver.actions.message_send.queue_event_on_commit"):
msg_id = self.send_personal_message(
self.example_user("hamlet"),
self.example_user("cordelia"),
content=url,
)
msg = Message.objects.select_related("sender").get(id=msg_id)
event = {
"message_id": msg_id,
"urls": [url],
"message_realm_id": msg.sender.realm_id,
"message_content": url,
}
mocked_data = UrlEmbedData(
title="Clearer Code at Scale - Static Types at Zulip and Dropbox"
)
self.create_mock_response(url)
with self.settings(TEST_SUITE=False):
with (
self.assertLogs(level="INFO") as info_logs,
mock.patch(
"zerver.worker.embed_links.url_preview.get_link_embed_data",
lambda *args, **kwargs: mocked_data,
),
):
FetchLinksEmbedData().consume(event)
self.assertTrue(
"INFO:root:Time spent on get_link_embed_data for [YouTube link](https://www.youtube.com/watch?v=eSJTXC7Ixgg):"
in info_logs.output[0]
)
msg.refresh_from_db()
expected_content = f"""<p><a href="https://www.youtube.com/watch?v=eSJTXC7Ixgg">YouTube link</a></p>\n<div class="youtube-video message_inline_image"><a data-id="eSJTXC7Ixgg" href="https://www.youtube.com/watch?v=eSJTXC7Ixgg"><img src="{get_camo_url("https://i.ytimg.com/vi/eSJTXC7Ixgg/default.jpg")}"></a></div>"""
self.assertEqual(expected_content, msg.rendered_content)