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Erik Johnston 7 years ago
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specification/server_server_api.rst
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@ -358,80 +358,80 @@ The rules are as follows:
1. If type is ``m.room.create``: 1. If type is ``m.room.create``:
a. If it has any previous events, reject. a. If it has any previous events, reject.
b. If the domain of the ``room_id`` does not match the domain of the b. If the domain of the ``room_id`` does not match the domain of the
``sender``, reject. ``sender``, reject.
c. If ``content.room_version`` key is an unrecognised version, reject. c. If ``content.room_version`` key is an unrecognised version, reject.
d. If ``content`` has no ``creator`` field, reject. d. If ``content`` has no ``creator`` field, reject.
e. Otherwise, allow. e. Otherwise, allow.
#. If event does not have a ``m.room.create`` in its ``auth_events``, reject. #. If event does not have a ``m.room.create`` in its ``auth_events``, reject.
#. If type is ``m.room.aliases``: #. If type is ``m.room.aliases``:
a. If event has no ``state_key``, reject a. If event has no ``state_key``, reject
b. If sender's domain doesn't matches ``state_key``, reject. b. If sender's domain doesn't matches ``state_key``, reject.
c. Otherwise, allow. c. Otherwise, allow.
#. If type is ``m.room.member``: #. If type is ``m.room.member``:
a. If no ``state_key`` key or ``membership`` key in ``content``, reject. a. If no ``state_key`` key or ``membership`` key in ``content``, reject.
#. If ``membership`` is ``join``: #. If ``membership`` is ``join``:
i. If the only previous event is an ``m.room.create`` i. If the only previous event is an ``m.room.create``
and the ``state_key`` is the creator, allow. and the ``state_key`` is the creator, allow.
#. If the ``sender`` does not match ``state_key``, reject. #. If the ``sender`` does not match ``state_key``, reject.
#. If the ``sender`` is banned, reject. #. If the ``sender`` is banned, reject.
#. If the ``join_rule`` is ``invite`` then allow if membership state #. If the ``join_rule`` is ``invite`` then allow if membership state
is ``invite`` or ``join``. is ``invite`` or ``join``.
#. If the ``join_rule`` is ``public``, allow. #. If the ``join_rule`` is ``public``, allow.
#. Otherwise, reject. #. Otherwise, reject.
#. If ``membership`` is ``invite``: #. If ``membership`` is ``invite``:
i. If the ``sender``'s current membership state is not ``join``, reject. i. If the ``sender``'s current membership state is not ``join``, reject.
#. If *target user*'s current membership state is ``join`` or ``ban``, #. If *target user*'s current membership state is ``join`` or ``ban``,
reject. reject.
#. If the ``sender``'s power level is greater than or equal to the *invite #. If the ``sender``'s power level is greater than or equal to the *invite
level*, allow. level*, allow.
#. Otherwise, reject. #. Otherwise, reject.
#. If ``membership`` is ``leave``: #. If ``membership`` is ``leave``:
i. If the ``sender`` matches ``state_key``, allow if and only if that user's i. If the ``sender`` matches ``state_key``, allow if and only if that user's
current membership state is ``invite`` or ``join``. current membership state is ``invite`` or ``join``.
#. If the ``sender``'s current membership state is not ``join``, reject. #. If the ``sender``'s current membership state is not ``join``, reject.
#. If the *target user*'s current membership state is ``ban``, and the #. If the *target user*'s current membership state is ``ban``, and the
``sender``'s power level is less than the *ban level*, reject. ``sender``'s power level is less than the *ban level*, reject.
#. If the ``sender``'s power level is greater than or equal to the *kick #. If the ``sender``'s power level is greater than or equal to the *kick
level*, and the *target user*'s power level is less than the level*, and the *target user*'s power level is less than the
``sender``'s power level, allow. ``sender``'s power level, allow.
#. Otherwise, reject. #. Otherwise, reject.
#. If ``membership`` is ``ban``: #. If ``membership`` is ``ban``:
i. If the ``sender``'s current membership state is not ``join``, reject. i. If the ``sender``'s current membership state is not ``join``, reject.
#. If the ``sender``'s power level is greater than or equal to the *ban #. If the ``sender``'s power level is greater than or equal to the *ban
level*, and the *target user*'s power level is less than the level*, and the *target user*'s power level is less than the
``sender``'s power level, allow. ``sender``'s power level, allow.
#. Otherwise, reject. #. Otherwise, reject.
#. Otherwise, the membership is unknown. Reject. #. Otherwise, the membership is unknown. Reject.
#. If the ``sender``'s current membership state is not ``join``, reject. #. If the ``sender``'s current membership state is not ``join``, reject.
@ -443,39 +443,39 @@ The rules are as follows:
#. If type is ``m.room.power_levels``: #. If type is ``m.room.power_levels``:
a. If ``users`` key in ``content`` is not a dictionary with keys that are a. If ``users`` key in ``content`` is not a dictionary with keys that are
valid user IDs with values that are integers (or a string that is an valid user IDs with values that are integers (or a string that is an
integer), reject. integer), reject.
#. If there is no previous ``m.room.power_levels`` event in the room, allow. #. If there is no previous ``m.room.power_levels`` event in the room, allow.
#. For each of the keys ``users_default``, ``events_default``, #. For each of the keys ``users_default``, ``events_default``,
``state_default``, ``ban``, ``redact``, ``kick``, ``invite``, as well as ``state_default``, ``ban``, ``redact``, ``kick``, ``invite``, as well as
each entry being changed under the ``events`` or ``users`` keys: each entry being changed under the ``events`` or ``users`` keys:
i. If the current value is higher than the ``sender``'s current power level, i. If the current value is higher than the ``sender``'s current power level,
reject. reject.
#. If the new value is higher than the ``sender``'s current power level, #. If the new value is higher than the ``sender``'s current power level,
reject. reject.
#. For each entry being changed under the ``users`` key, other than the #. For each entry being changed under the ``users`` key, other than the
``sender``'s own entry: ``sender``'s own entry:
i. If the current value is equal to the ``sender``'s current power level, i. If the current value is equal to the ``sender``'s current power level,
reject. reject.
#. Otherwise, allow. #. Otherwise, allow.
#. If type is ``m.room.redaction``: #. If type is ``m.room.redaction``:
a. If the ``sender``'s power level is greater than or equal to the *redact a. If the ``sender``'s power level is greater than or equal to the *redact
level*, allow. level*, allow.
#. If the domain of the ``event_id`` of the event being redacted is the same #. If the domain of the ``event_id`` of the event being redacted is the same
as the domain of the ``event_id`` of the ``m.room.redaction``, allow. as the domain of the ``event_id`` of the ``m.room.redaction``, allow.
#. Otherwise, reject. #. Otherwise, reject.
#. Otherwise, allow. #. Otherwise, allow.

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