matrix-spec-proposals/api/server-server/leaving.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 Leave Room API"
  version: "1.0.0"
host: localhost:8448
schemes:
  - https
basePath: /_matrix/federation/v1
consumes:
  - application/json
produces:
  - application/json
securityDefinitions:
  $ref: definitions/security.yaml
paths:
  "/make_leave/{roomId}/{userId}":
    get:
      summary: Get information required to make a leave event for a room
      description: |-
        Asks the receiving server to return information that the sending
        server will need to prepare a leave event to get out of the room.
      operationId: makeLeave
      security:
        - signedRequest: []
      parameters:
        - in: path
          name: roomId
          type: string
          description: The room ID that is about to be left.
          required: true
          x-example: "!abc123:matrix.org"
        - in: path
          name: userId
          type: string
          description: The user ID the leave event will be for.
          required: true
          x-example: "@someone:example.org"
      responses:
        200:
          description: |-
            An unsigned event that the sending server may use as a template
            for when it calls ``/send_leave``.
          schema:
            allOf:
              - $ref: "definitions/unsigned_pdu.yaml"
              - type: object
                properties:
                  # Note: we override a bunch of parameters to change their descriptions
                  sender:
                    type: string
                    description: The user ID of the leaving member.
                    example: "@someone:example.org"
                  origin:
                    type: string
                    description: The name of the resident homeserver.
                    example: "matrix.org"    
                  origin_server_ts:
                    type: integer
                    format: int64
                    description: A timestamp added by the resident homeserver.
                    example: 1234567890
                  type:
                    type: string
                    description: The value ``m.room.member``.
                    example: "m.room.member"
                  state_key:
                    type: string
                    description: The user ID of the leaving member.
                    example: "@someone:example.org"
                  content:
                    type: object
                    title: Membership Event Content
                    description: The content of the event.
                    example: {"membership": "leave"}
                    properties:
                      membership:
                        type: string
                        description: The value ``leave``.
                        example: "leave"
                    required: ['membership']
                  auth_events:
                    type: array
                    description: |-
                      An event reference list containing the authorization events that would
                      allow the member to leave the room. This should normally be the 
                      ``m.room.create``, ``m.room.power_levels``, and ``m.room.join_rules``
                      events.
                    items:
                      type: array
                      maxItems: 2
                      minItems: 2
                      items:
                        - type: string
                          title: Event ID
                          example: "$abc123:matrix.org"
                        - type: object
                          title: Event Hash
                          example: {
                            "sha256": "abase64encodedsha256hashshouldbe43byteslong"
                          }
                          properties:
                            sha256:
                              type: string
                              description: The event hash.
                              example: abase64encodedsha256hashshouldbe43byteslong
                          required: ['sha256']
                  redacts:
                    type: string
                    description: Not used.
                required:
                  # Every other field is already flagged as required by the $ref
                  - state_key
          examples:
            application/json: {
              "$ref": "examples/unsigned_pdu.json",
              "type": "m.room.member",
              "state_key": "@someone:example.org",
              "content": {
                  "membership": "leave"
              },
              "auth_events": [
                ["$room_cre4te_3vent:matrix.org", {"sha256": "abase64encodedsha256hashshouldbe43byteslong"}],
                ["$room_j0in_rul3s_3vent:matrix.org", {"sha256": "abase64encodedsha256hashshouldbe43byteslong"}],
                ["$room_p0wer_l3vels_3vent:matrix.org", {"sha256": "abase64encodedsha256hashshouldbe43byteslong"}]
              ]
            }
        403:
          description: |-
            The request is not authorized. This could mean that the user is not in the room.
          schema:
            $ref: "../client-server/definitions/errors/error.yaml"
          examples:
            application/json: {
              "errcode": "M_FORBIDDEN",
              "error": "User is not in the room."
            }
  "/send_leave/{roomId}/{eventId}":
    put:
      summary: Submit a signed leave event to a resident server
      description: |-
        Submits a signed leave event to the resident server for it
        to accept it into the room's graph.
      operationId: sendLeave
      security:
        - signedRequest: []
      parameters:
        - in: path
          name: roomId
          type: string
          description: The room ID that is about to be left.
          required: true
          x-example: "!abc123:matrix.org"
        - in: path
          name: eventId
          type: string
          description: The event ID for the leave event.
          required: true
          x-example: "$abc123:example.org"
        - in: body
          name: body
          type: object
          required: true
          schema:
            allOf:
              - $ref: "definitions/pdu.yaml"
              - type: object
                properties:
                  # Note: we override a bunch of parameters to change their descriptions
                  sender:
                    type: string
                    description: The user ID of the leaving member.
                    example: "@someone:example.org"
                  origin:
                    type: string
                    description: The name of the leaving homeserver.
                    example: "matrix.org"    
                  origin_server_ts:
                    type: integer
                    format: int64
                    description: A timestamp added by the leaving homeserver.
                    example: 1234567890
                  type:
                    type: string
                    description: The value ``m.room.member``.
                    example: "m.room.member"
                  state_key:
                    type: string
                    description: The user ID of the leaving member.
                    example: "@someone:example.org"
                  content:
                    type: object
                    title: Membership Event Content
                    description: The content of the event.
                    example: {"membership": "leave"}
                    properties:
                      membership:
                        type: string
                        description: The value ``leave``.
                        example: "leave"
                    required: ['membership']
                  depth:
                    type: integer
                    description: This field must be present but is ignored; it may be 0.
                    example: 12
                  auth_events:
                    type: array
                    description: |-
                      An event reference list containing the authorization events that would
                      allow the member to leave the room.
                    items:
                      type: array
                      maxItems: 2
                      minItems: 2
                      items:
                        - type: string
                          title: Event ID
                          example: "$abc123:matrix.org"
                        - type: object
                          title: Event Hash
                          example: {
                            "sha256": "abase64encodedsha256hashshouldbe43byteslong"
                          }
                          properties:
                            sha256:
                              type: string
                              description: The event hash.
                              example: abase64encodedsha256hashshouldbe43byteslong
                          required: ['sha256']
                  redacts:
                    type: string
                    description: Not used.
                required:
                  # Every other field is already flagged as required by the $ref
                  - state_key
          example: {
            "$ref": "examples/pdu.json",
            "type": "m.room.member",
            "state_key": "@someone:example.org",
            "content": {
                "membership": "leave"
            }
          }
      responses:
        200:
          description: |-
            An empty response to indicate the event was accepted into the graph by
            the receiving homeserver.
          schema:
            type: array
            minItems: 2
            maxItems: 2
            items:
              - type: integer
                description: The value ``200``.
                example: 200
              - type: object
                title: Empty Object
                description: An empty object.
          examples:
            application/json: [200, {}]