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matrix-spec/api/server-server/backfill.yaml

144 lines
4.9 KiB
YAML

# Copyright 2018 New Vector Ltd
#
# 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.
swagger: '2.0'
info:
title: "Matrix Federation Events API"
version: "1.0.0"
host: localhost:8448
schemes:
- https
basePath: /_matrix/federation/v1
consumes:
- application/json
produces:
- application/json
paths:
"/backfill/{roomId}":
get:
summary: Retrieves the events which precede the given event
description: |-
Retrieves a sliding-window history of previous PDUs that occurred in the given room.
Starting from the PDU ID(s) given in the ``v`` argument, the PDUs that preceded it
are retrieved, up to the total number given by the ``limit``.
operationId: backfillRoom
parameters:
- in: path
name: roomId
type: string
description: The room ID to backfill.
required: true
x-example: "!SomeRoom:matrix.org"
- in: query
name: v
type: array
items:
type: string
description: The event IDs to backfill from.
required: true
x-example: ["$abc123:matrix.org"]
- in: query
name: limit
type: integer
description: The maximum number of PDUs to retrieve, including the given events.
required: true
x-example: 2
responses:
200:
description: |-
A transaction containing the PDUs that preceded the given event(s), including the given
event(s), up to the given limit.
schema:
$ref: "definitions/transaction.yaml"
# Override the example to show the response of the request a bit better
examples:
application/json: {
"$ref": "examples/transaction.json",
"pdus": [
{
"$ref": "pdu.json",
"room_id": "!SomeRoom:matrix.org",
"event_id": "$abc123:matrix.org"
},
{
"$ref": "pdu.json",
"room_id": "!SomeRoom:matrix.org"
},
]
}
"/get_missing_events/{roomId}":
post:
summary: Retrieves events that the sender is missing
description: |-
Retrieves the previous events that the sender is missing for a given set of
events.
operationId: getMissingPreviousEvents
parameters:
- in: path
name: roomId
type: string
description: The room ID to search in.
required: true
x-example: "!SomeRoom:matrix.org"
- in: body
name: body
schema:
type: object
properties:
limit:
type: integer
description: The maximum number of events to retrieve. Defaults to 10.
example: 10
min_depth:
type: integer
description: The minimum depth of events to retrieve. Defaults to 0.
example: 0
earliest_events:
type: array
description: |-
The events the sender is missing. The response will only contain events
that didn't happen before these events.
items:
type: string
example: ["$missing_event:domain.com"]
latest_events:
type: array
description: |-
The events that the sender has, but does not have previous events for.
items:
type: string
example: ["$event_that_has_the_missing_event_as_a_previous_event:domain.com"]
required: ['earliest_events', 'latest_events']
responses:
200:
description: |-
The events that happened after the ``earliest_events`` which are also previous
to the ``latest_events`` and have the minimum depth specified. Does not include
any of the events in the request.
schema:
type: object
properties:
events:
type: array
description: The missing events.
items:
$ref: definitions/pdu.yaml
required: ['events']
examples:
application/json: {
"events": [
{"$ref": "examples/pdu.json"}
]
}