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Do not raise a 500 exception when previewing empty media. (#8883)

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Patrick Cloke 2020-12-07 10:00:08 -05:00 • committed by GitHub
parent 92d87c6882
commit 1f3748f033
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3 changed files with 22 additions and 12 deletions
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6
synapse/rest/media/v1/preview_url_resource.py
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@ -676,7 +676,11 @@ class PreviewUrlResource(DirectServeJsonResource):
logger.debug("No media removed from url cache")
def decode_and_calc_og(body, media_uri, request_encoding=None):
def decode_and_calc_og(body, media_uri, request_encoding=None) -> Dict[str, str]:
# If there's no body, nothing useful is going to be found.
if not body:
return {}
from lxml import etree
try: