mirror of
https://github.com/matrix-org/synapse.git
synced 2025-11-28 22:11:45 +01:00
There are two situations which were previously not properly checked: 1. If the requested URL was replaced with an oEmbed URL, then the oEmbed URL was not checked against url_preview_url_blacklist. 2. Follow-up URLs (either via autodiscovery of oEmbed or to pre-cache images) were not checked against url_preview_url_blacklist.