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Allow configuration of the oEmbed URLs. (#10714)

Browse source 
This adds configuration options (under an `oembed` section) to
configure which URLs are matched to use oEmbed for URL
previews.
This commit is contained in:
Patrick Cloke 2021-08-31 18:37:07 -04:00 • committed by GitHub
parent 287918e2d4
commit e2481dbe93
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8 changed files with 458 additions and 247 deletions
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202
tests/rest/media/v1/test_url_preview.py
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@ -14,13 +14,14 @@
import json
import os
import re
from unittest.mock import patch
from twisted.internet._resolver import HostResolution
from twisted.internet.address import IPv4Address, IPv6Address
from twisted.internet.error import DNSLookupError
from twisted.test.proto_helpers import AccumulatingProtocol
from synapse.config.oembed import OEmbedEndpointConfig
from tests import unittest
from tests.server import FakeTransport
@ -81,6 +82,19 @@ class URLPreviewTests(unittest.HomeserverTestCase):
hs = self.setup_test_homeserver(config=config)
# After the hs is created, modify the parsed oEmbed config (to avoid
# messing with files).
#
# Note that HTTP URLs are used to avoid having to deal with TLS in tests.
hs.config.oembed.oembed_patterns = [
OEmbedEndpointConfig(
api_endpoint="http://publish.twitter.com/oembed",
url_patterns=[
re.compile(r"http://twitter\.com/.+/status/.+"),
],
)
]
return hs
def prepare(self, reactor, clock, hs):
@ -544,123 +558,101 @@ class URLPreviewTests(unittest.HomeserverTestCase):
def test_oembed_photo(self):
"""Test an oEmbed endpoint which returns a 'photo' type which redirects the preview to a new URL."""
# Route the HTTP version to an HTTP endpoint so that the tests work.
with patch.dict(
"synapse.rest.media.v1.preview_url_resource._oembed_patterns",
{
re.compile(
r"http://twitter\.com/.+/status/.+"
): "http://publish.twitter.com/oembed",
},
clear=True,
):
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
self.lookups["cdn.twitter.com"] = [(IPv4Address, "10.1.2.3")]
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
self.lookups["cdn.twitter.com"] = [(IPv4Address, "10.1.2.3")]
result = {
"version": "1.0",
"type": "photo",
"url": "http://cdn.twitter.com/matrixdotorg",
}
oembed_content = json.dumps(result).encode("utf-8")
result = {
"version": "1.0",
"type": "photo",
"url": "http://cdn.twitter.com/matrixdotorg",
}
oembed_content = json.dumps(result).encode("utf-8")
end_content = (
b"<html><head>"
b"<title>Some Title</title>"
b'<meta property="og:description" content="hi" />'
b"</head></html>"
)
end_content = (
b"<html><head>"
b"<title>Some Title</title>"
b'<meta property="og:description" content="hi" />'
b"</head></html>"
channel = self.make_request(
"GET",
"preview_url?url=http://twitter.com/matrixdotorg/status/12345",
shorthand=False,
await_result=False,
)
self.pump()
client = self.reactor.tcpClients[0][2].buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, self.reactor))
client.makeConnection(FakeTransport(server, self.reactor))
client.dataReceived(
(
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
)
% (len(oembed_content),)
+ oembed_content
)
channel = self.make_request(
"GET",
"preview_url?url=http://twitter.com/matrixdotorg/status/12345",
shorthand=False,
await_result=False,
self.pump()
client = self.reactor.tcpClients[1][2].buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, self.reactor))
client.makeConnection(FakeTransport(server, self.reactor))
client.dataReceived(
(
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
)
self.pump()
% (len(end_content),)
+ end_content
)
client = self.reactor.tcpClients[0][2].buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, self.reactor))
client.makeConnection(FakeTransport(server, self.reactor))
client.dataReceived(
(
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
)
% (len(oembed_content),)
+ oembed_content
)
self.pump()
self.pump()
client = self.reactor.tcpClients[1][2].buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, self.reactor))
client.makeConnection(FakeTransport(server, self.reactor))
client.dataReceived(
(
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
b'Content-Type: text/html; charset="utf8"\r\n\r\n'
)
% (len(end_content),)
+ end_content
)
self.pump()
self.assertEqual(channel.code, 200)
self.assertEqual(
channel.json_body, {"og:title": "Some Title", "og:description": "hi"}
)
self.assertEqual(channel.code, 200)
self.assertEqual(
channel.json_body, {"og:title": "Some Title", "og:description": "hi"}
)
def test_oembed_rich(self):
"""Test an oEmbed endpoint which returns HTML content via the 'rich' type."""
# Route the HTTP version to an HTTP endpoint so that the tests work.
with patch.dict(
"synapse.rest.media.v1.preview_url_resource._oembed_patterns",
{
re.compile(
r"http://twitter\.com/.+/status/.+"
): "http://publish.twitter.com/oembed",
},
clear=True,
):
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
self.lookups["publish.twitter.com"] = [(IPv4Address, "10.1.2.3")]
result = {
"version": "1.0",
"type": "rich",
"html": "<div>Content Preview</div>",
}
end_content = json.dumps(result).encode("utf-8")
result = {
"version": "1.0",
"type": "rich",
"html": "<div>Content Preview</div>",
}
end_content = json.dumps(result).encode("utf-8")
channel = self.make_request(
"GET",
"preview_url?url=http://twitter.com/matrixdotorg/status/12345",
shorthand=False,
await_result=False,
)
self.pump()
channel = self.make_request(
"GET",
"preview_url?url=http://twitter.com/matrixdotorg/status/12345",
shorthand=False,
await_result=False,
client = self.reactor.tcpClients[0][2].buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, self.reactor))
client.makeConnection(FakeTransport(server, self.reactor))
client.dataReceived(
(
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
)
self.pump()
% (len(end_content),)
+ end_content
)
client = self.reactor.tcpClients[0][2].buildProtocol(None)
server = AccumulatingProtocol()
server.makeConnection(FakeTransport(client, self.reactor))
client.makeConnection(FakeTransport(server, self.reactor))
client.dataReceived(
(
b"HTTP/1.0 200 OK\r\nContent-Length: %d\r\n"
b'Content-Type: application/json; charset="utf8"\r\n\r\n'
)
% (len(end_content),)
+ end_content
)
self.pump()
self.assertEqual(channel.code, 200)
self.assertEqual(
channel.json_body,
{"og:title": None, "og:description": "Content Preview"},
)
self.pump()
self.assertEqual(channel.code, 200)
self.assertEqual(
channel.json_body,
{"og:title": None, "og:description": "Content Preview"},
)