element-hq / element-hq/synapse
Skip URL previews of login pages
Open
A-URL-Preview
O-Occasional
S-Tolerable
T-Enhancement
- Dominant language
- Python
- Stars
- 4.6k
- Forks
- 600
- Avg merge
- 5d 6h
- Merged PRs (30d)
- 46
Description
This issue has been migrated from [#3440](https://github.com/matrix-org/synapse/issues/3440).
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### Description
URL previews of login pages or 401/403 aren't very useful. It would be nice if URL preview could have some logic to skip those. E.g. links to private google docs or sites needing login that aren't blacklisted.
Maybe even previews with transient error HTTP status codes (!= 200?) could have a way of requesting a refresh. With some sort of rate limit to prevent DoS.
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Assessment
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