45 lines
1.7 KiB
Markdown
45 lines
1.7 KiB
Markdown
# Account validity callbacks
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Account validity callbacks allow module developers to add extra steps to verify the
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validity on an account, i.e. see if a user can be granted access to their account on the
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Synapse instance. Account validity callbacks can be registered using the module API's
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`register_account_validity_callbacks` method.
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The available account validity callbacks are:
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### `is_user_expired`
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_First introduced in Synapse v1.39.0_
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```python
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async def is_user_expired(user: str) -> Optional[bool]
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```
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Called when processing any authenticated request (except for logout requests). The module
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can return a `bool` to indicate whether the user has expired and should be locked out of
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their account, or `None` if the module wasn't able to figure it out. The user is
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represented by their Matrix user ID (e.g. `@alice:example.com`).
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If the module returns `True`, the current request will be denied with the error code
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`ORG_MATRIX_EXPIRED_ACCOUNT` and the HTTP status code 403. Note that this doesn't
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invalidate the user's access token.
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If multiple modules implement this callback, they will be considered in order. If a
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callback returns `None`, Synapse falls through to the next one. The value of the first
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callback that does not return `None` will be used. If this happens, Synapse will not call
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any of the subsequent implementations of this callback.
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### `on_user_registration`
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_First introduced in Synapse v1.39.0_
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```python
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async def on_user_registration(user: str) -> None
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```
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Called after successfully registering a user, in case the module needs to perform extra
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operations to keep track of them. (e.g. add them to a database table). The user is
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represented by their Matrix user ID.
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If multiple modules implement this callback, Synapse runs them all in order.
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