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MSC1921: Support cancelling 3pid validation sessions #1921

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commented Mar 8, 2019


As mentioned in the introduction, this was written in the context of working on vector-im/riot-web#6560.

@turt2live turt2live changed the title Proposal to support cancelling 3pid validation sessions MSC1921: Support cancelling 3pid validation sessions Mar 8, 2019

believed by the author that the additional security of ensuring the requester has permission to actually
cancel the session is more worthwhile than trying to fail fast.

Servers should also be aware of a potential resource exhaustion vector where an attacker requests a token and

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Half-Shot Mar 8, 2019


Definitely something that should happen during token creation, but I wouldn't rate limit cancelToken especially harshly.

turt2live added a commit to matrix-org/matrix-react-sdk that referenced this pull request Mar 11, 2019

Provide an escape from the registration process
Fixes vector-im/riot-web#6560

Would be better improved by matrix-org/matrix-doc#1921 or similar in the future.
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