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Move size limits for user, room and event IDs into the appendix and clarify that the length is to be measured in bytes (#1850)

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Fixes: #1826
Relates to: #1001
Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>
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Johannes Marbach 2024-06-12 10:11:07 +02:00 • committed by GitHub
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4 changed files with 15 additions and 9 deletions
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content/client-server-api/_index.md
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@ -1849,16 +1849,15 @@ updates not being sent.
The complete event MUST NOT be larger than 65536 bytes, when formatted
with the [federation event format](#room-event-format), including any
signatures, and encoded as [Canonical
JSON](/appendices#canonical-json).
signatures, and encoded as [Canonical JSON](/appendices#canonical-json).
There are additional restrictions on sizes per key:
- `sender` MUST NOT exceed 255 bytes (including domain).
- `room_id` MUST NOT exceed 255 bytes.
- `sender` MUST NOT exceed the size limit for [user IDs](/appendices/#user-identifiers).
- `room_id` MUST NOT exceed the size limit for [room IDs](/appendices/#room-ids).
- `state_key` MUST NOT exceed 255 bytes.
- `type` MUST NOT exceed 255 bytes.
- `event_id` MUST NOT exceed 255 bytes.
- `event_id` MUST NOT exceed the size limit for [event IDs](/appendices/#event-ids).
Some event types have additional size restrictions which are specified
in the description of the event. Additional keys have no limit other