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Add m.federate into the auth rules (#1103)

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* Add section about `m.federate` into the auth rules

* Add changelog entry

* Update changelog, add to room version 10 event auth rules
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Neil Alexander 2022-06-14 17:08:33 +01:00 • committed by GitHub
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content/rooms/v10.md
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@ -114,7 +114,10 @@ The rules are as follows:
algorithm described in the server specification.
3. If event does not have a `m.room.create` in its `auth_events`,
reject.
4. If type is `m.room.member`:
4. If the create event content has the field `m.federate` set to `false`
and the sender domain of the event does not match the sender domain of
the create event, reject.
5. If type is `m.room.member`:
1. If no `state_key` key or `membership` key in `content`, reject.
2. If `content` has a `join_authorised_via_users_server`
key:
@ -191,15 +194,15 @@ The rules are as follows:
or `join`, allow.
4. Otherwise, reject.
8. Otherwise, the membership is unknown. Reject.
5. If the `sender`'s current membership state is not `join`, reject.
6. If type is `m.room.third_party_invite`:
6. If the `sender`'s current membership state is not `join`, reject.
7. If type is `m.room.third_party_invite`:
1. Allow if and only if `sender`'s current power level is greater
than or equal to the *invite level*.
7. If the event type's *required power level* is greater than the
8. If the event type's *required power level* is greater than the
`sender`'s power level, reject.
8. If the event has a `state_key` that starts with an `@` and does not
9. If the event has a `state_key` that starts with an `@` and does not
match the `sender`, reject.
9. If type is `m.room.power_levels`:
10. If type is `m.room.power_levels`:
1. {{< added-in this="true" >}}
If any of the keys `users_default`, `events_default`, `state_default`,
`ban`, `redact`, `kick`, or `invite` in `content` are present and
@ -230,7 +233,7 @@ The rules are as follows:
1. If the current value is equal to the `sender`'s current
power level, reject.
6. Otherwise, allow.
10. Otherwise, allow.
11. Otherwise, allow.
{{% boxes/note %}}
Some consequences of these rules: