synapse/changelog.d/8275.feature at 937393abd81e16c7d4bd4d02fe3c0fafafb9611b - MirrorHub/synapse - tilera Git

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Andrew Morgan 094896a69d

Add a config option for validating 'next_link' parameters against a domain whitelist (#8275 )

This is a config option ported over from DINUM's Sydent: https://github.com/matrix-org/sydent/pull/285

They've switched to validating 3PIDs via Synapse rather than Sydent, and would like to retain this functionality.

This original purpose for this change is phishing prevention. This solution could also potentially be replaced by a similar one to https://github.com/matrix-org/synapse/pull/8004, but across all `*/submit_token` endpoint.

This option may still be useful to enterprise even with that safeguard in place though, if they want to be absolutely sure that their employees don't follow links to other domains.

2020-09-08 16:03:09 +01:00

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Add a config option to specify a whitelist of domains that a user can be redirected to after validating their email or phone number.