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authorRichard van der Hoff <richard@matrix.org>2016-10-11 11:34:40 +0100
committerRichard van der Hoff <richard@matrix.org>2016-10-11 11:34:40 +0100
commitfa74fcf5120998e0bdb030638ce391914198f648 (patch)
tree438f1dd520902e40ebc1cb4c29db225033e0dd52 /docs/architecture.rst
parentMerge pull request #1160 from matrix-org/rav/401_on_password_fail (diff)
downloadsynapse-fa74fcf5120998e0bdb030638ce391914198f648.tar.xz
Work around email-spamming Riot bug
5d9546f9 introduced a change to synapse behaviour, in that failures in the
interactive-auth process would return the flows and params data as well as an
error code (as specced in https://github.com/matrix-org/matrix-doc/pull/397).

That change exposed a bug in Riot which would make it request a new validation
token (and send a new email) each time it got a 401 with a `flows` parameter
(see https://github.com/vector-im/vector-web/issues/2447 and the fix at
https://github.com/matrix-org/matrix-react-sdk/pull/510).

To preserve compatibility with broken versions of Riot, grandfather in the old
behaviour for the email validation stage.
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