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matrix-spec/data/api/client-server/space_hierarchy.yaml

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YAML

# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
openapi: 3.1.0
info:
title: Matrix Client-Server Space Hierarchy API
version: 1.0.0
paths:
"/rooms/{roomId}/hierarchy":
get:
x-addedInMatrixVersion: "1.2"
summary: Retrieve a portion of a space tree.
description: |-
Paginates over the space tree in a depth-first manner to locate child rooms of a given space.
Where a child room is unknown to the local server, federation is used to fill in the details.
The servers listed in the `via` array should be contacted to attempt to fill in missing rooms.
Only [`m.space.child`](#mspacechild) state events of the room are considered. Invalid child
rooms and parent events are not covered by this endpoint.
operationId: getSpaceHierarchy
security:
- accessTokenQuery: []
- accessTokenBearer: []
parameters:
- in: path
name: roomId
description: The room ID of the space to get a hierarchy for.
required: true
example: "!space:example.org"
schema:
type: string
- in: query
name: suggested_only
description: |-
Optional (default `false`) flag to indicate whether or not the server should only consider
suggested rooms. Suggested rooms are annotated in their [`m.space.child`](#mspacechild) event
contents.
example: true
schema:
type: boolean
- in: query
name: limit
description: |-
Optional limit for the maximum number of rooms to include per response. Must be an integer
greater than zero.
Servers should apply a default value, and impose a maximum value to avoid resource exhaustion.
example: 20
schema:
type: integer
- in: query
name: max_depth
description: |-
Optional limit for how far to go into the space. Must be a non-negative integer.
When reached, no further child rooms will be returned.
Servers should apply a default value, and impose a maximum value to avoid resource exhaustion.
example: 5
schema:
type: integer
- in: query
name: from
description: |-
A pagination token from a previous result. If specified, `max_depth` and `suggested_only` cannot
be changed from the first request.
example: next_batch_token
schema:
type: string
responses:
"200":
description: A portion of the space tree, starting at the provided room ID.
content:
application/json:
schema:
type: object
properties:
rooms:
type: array
description: The rooms for the current page, with the current filters.
items:
allOf:
- $ref: definitions/public_rooms_chunk.yaml
- type: object
title: SpaceHierarchyRoomsChunk
properties:
room_type:
type: string
description: The `type` of room (from
[`m.room.create`](/client-server-api/#mroomcreate)),
if any.
children_state:
type: array
description: |-
The [`m.space.child`](#mspacechild) events of the space-room, represented
as [Stripped State Events](#stripped-state) with an added `origin_server_ts` key.
If the room is not a space-room, this should be empty.
items:
allOf:
- $ref: ../../event-schemas/schema/core-event-schema/stripped_state.yaml
- type: object
title: StrippedChildStateEvent
properties:
origin_server_ts:
type: integer
format: int64
description: The `origin_server_ts` for the event.
required:
- origin_server_ts
required:
- children_state
next_batch:
type: string
description: |-
A token to supply to `from` to keep paginating the responses. Not present when there are
no further results.
required:
- rooms
examples:
response:
value: {
"rooms": [
{
"room_id": "!space:example.org",
"avatar_url": "mxc://example.org/abcdef",
"guest_can_join": false,
"name": "The First Space",
"topic": "No other spaces were created first, ever",
"world_readable": true,
"join_rule": "public",
"room_type": "m.space",
"num_joined_members": 42,
"canonical_alias": "#general:example.org",
"children_state": [
{
"type": "m.space.child",
"state_key": "!a:example.org",
"content": {
"via": [
"example.org"
]
},
"sender": "@alice:example.org",
"origin_server_ts": 1629413349153
}
]
}
],
"next_batch": "next_batch_token"
}
"400":
description: |-
The request was invalid in some way. A meaningful `errcode`
and description error text will be returned. Example reasons for rejection are:
- The `from` token is unknown to the server.
- `suggested_only` or `max_depth` changed during pagination.
content:
application/json:
schema:
$ref: definitions/errors/error.yaml
examples:
response:
value: {
"errcode": "M_INVALID_PARAM",
"error": "suggested_only and max_depth cannot change on paginated requests"
}
"403":
description: |-
The user cannot view or peek on the room. A meaningful `errcode`
and description error text will be returned. Example reasons for rejection are:
- The room is not set up for peeking.
- The user has been banned from the room.
- The room does not exist.
content:
application/json:
schema:
$ref: definitions/errors/error.yaml
examples:
response:
value: {
"errcode": "M_FORBIDDEN",
"error": "You are not allowed to view this room."
}
"429":
description: This request was rate-limited.
content:
application/json:
schema:
$ref: definitions/errors/rate_limited.yaml
tags:
- Spaces
servers:
- url: "{protocol}://{hostname}{basePath}"
variables:
protocol:
enum:
- http
- https
default: https
hostname:
default: localhost:8008
basePath:
default: /_matrix/client/v1
components:
securitySchemes:
accessTokenQuery:
$ref: definitions/security.yaml#/accessTokenQuery
accessTokenBearer:
$ref: definitions/security.yaml#/accessTokenBearer