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Merge remote-tracking branch 'upstream/release-v1.46'

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This commit is contained in:
Tulir Asokan 2021-11-02 15:35:09 +02:00
commit 8d54d3bbbf
6 changed files with 49 additions and 6 deletions
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13
CHANGES.md
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@ -1,8 +1,17 @@
Synapse 1.46.0rc1 (2021-10-26)
==============================
Synapse 1.46.0 (2021-11-02)
===========================
The cause of the [performance regression affecting Synapse 1.44](https://github.com/matrix-org/synapse/issues/11049) has been identified and fixed. ([\#11177](https://github.com/matrix-org/synapse/issues/11177))
Bugfixes
--------
- Fix a bug introduced in v1.46.0rc1 where URL previews of some XML documents would fail. ([\#11196](https://github.com/matrix-org/synapse/issues/11196))
Synapse 1.46.0rc1 (2021-10-27)
==============================
Features
--------

10
debian/changelog vendored
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@ -1,3 +1,13 @@
matrix-synapse-py3 (1.46.0) stable; urgency=medium
[ Richard van der Hoff ]
* Compress debs with xz, to fix incompatibility of impish debs with reprepro.
[ Synapse Packaging team ]
* New synapse release 1.46.0.
-- Synapse Packaging team <packages@matrix.org> Tue, 02 Nov 2021 13:22:53 +0000
matrix-synapse-py3 (1.46.0~rc1) stable; urgency=medium
* New synapse release 1.46.0~rc1.

6
debian/rules vendored
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@ -51,5 +51,11 @@ override_dh_shlibdeps:
override_dh_virtualenv:
./debian/build_virtualenv
override_dh_builddeb:
# force the compression to xzip, to stop dpkg-deb on impish defaulting to zstd
# (which requires reprepro 5.3.0-1.3, which is currently only in 'experimental' in Debian:
# https://metadata.ftp-master.debian.org/changelogs/main/r/reprepro/reprepro_5.3.0-1.3_changelog)
dh_builddeb -- -Zxz
%:
dh $@ --with python-virtualenv

2
synapse/__init__.py
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@ -47,7 +47,7 @@ try:
except ImportError:
pass
__version__ = "1.46.0rc1"
__version__ = "1.46.0"
if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
# We import here so that we don't have to install a bunch of deps when

9
synapse/rest/media/v1/preview_url_resource.py
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@ -718,9 +718,12 @@ def decode_body(
if not body:
return None
# The idea here is that multiple encodings are tried until one works.
# Unfortunately the result is never used and then LXML will decode the string
# again with the found encoding.
for encoding in get_html_media_encodings(body, content_type):
try:
body_str = body.decode(encoding)
body.decode(encoding)
except Exception:
pass
else:
@ -732,11 +735,11 @@ def decode_body(
from lxml import etree
# Create an HTML parser.
parser = etree.HTMLParser(recover=True, encoding="utf-8")
parser = etree.HTMLParser(recover=True, encoding=encoding)
# Attempt to parse the body. Returns None if the body was successfully
# parsed, but no tree was found.
return etree.fromstring(body_str, parser)
return etree.fromstring(body, parser)
def _calc_og(tree: "etree.Element", media_uri: str) -> Dict[str, Optional[str]]:

15
tests/test_preview.py
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@ -277,6 +277,21 @@ class CalcOgTestCase(unittest.TestCase):
tree = decode_body(html, "http://example.com/test.html")
self.assertIsNone(tree)
def test_xml(self):
"""Test decoding XML and ensure it works properly."""
# Note that the strip() call is important to ensure the xml tag starts
# at the initial byte.
html = b"""
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head><title>Foo</title></head><body>Some text.</body></html>
""".strip()
tree = decode_body(html, "http://example.com/test.html")
og = _calc_og(tree, "http://example.com/test.html")
self.assertEqual(og, {"og:title": "Foo", "og:description": "Some text."})
def test_invalid_encoding(self):
"""An invalid character encoding should be ignored and treated as UTF-8, if possible."""
html = b"""