Matrix-Mirrors/anonymousland-synapse
1
0
Fork 0
mirror of https://git.anonymousland.org/anonymousland/synapse.git synced 2025-09-22 21:24:39 -04:00
Code Issues Projects Releases Packages Wiki Activity

Unescape HTML entities in oEmbed titles. (#14781)

Browse source 
It doesn't seem valid that HTML entities should appear in
the title field of oEmbed responses, but a popular WordPress
plug-in seems to do it.

There should not be harm in unescaping these.
This commit is contained in:
Jeyachandran Rathnam 2023-01-09 09:22:02 -05:00 • committed by GitHub
parent 7e582a25f8
commit babeeb4e7a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 20 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

15
synapse/rest/media/v1/oembed.py
View file

@ -11,6 +11,7 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import html
import logging
import urllib.parse
from typing import TYPE_CHECKING, List, Optional
@ -161,7 +162,9 @@ class OEmbedProvider:
title = oembed.get("title")
if title and isinstance(title, str):
open_graph_response["og:title"] = title
# A common WordPress plug-in seems to incorrectly escape entities
# in the oEmbed response.
open_graph_response["og:title"] = html.unescape(title)
author_name = oembed.get("author_name")
if not isinstance(author_name, str):
@ -180,9 +183,9 @@ class OEmbedProvider:
# Process each type separately.
oembed_type = oembed.get("type")
if oembed_type == "rich":
html = oembed.get("html")
if isinstance(html, str):
calc_description_and_urls(open_graph_response, html)
html_str = oembed.get("html")
if isinstance(html_str, str):
calc_description_and_urls(open_graph_response, html_str)
elif oembed_type == "photo":
# If this is a photo, use the full image, not the thumbnail.
@ -192,8 +195,8 @@ class OEmbedProvider:
elif oembed_type == "video":
open_graph_response["og:type"] = "video.other"
html = oembed.get("html")
if html and isinstance(html, str):
html_str = oembed.get("html")
if html_str and isinstance(html_str, str):
calc_description_and_urls(open_graph_response, oembed["html"])
for size in ("width", "height"):
val = oembed.get(size)