# Copyright 2018, 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 Federation Published Room Directory API
  version: 1.0.0
paths:
  /publicRooms:
    get:
      summary: Lists the server's published room directory
      description: |-
        Lists the server's published room directory.

        This API returns paginated responses. The rooms are ordered by the number
        of joined members, with the largest rooms first.

        This SHOULD not return rooms that are listed on another homeserver's directory,
        just those listed on the receiving homeserver's directory.
      operationId: getPublicRooms
      security:
        - signedRequest: []
      parameters:
        - in: query
          name: limit
          description: The maximum number of rooms to return. Defaults to 0 (no limit).
          example: 10
          schema:
            type: integer
        - in: query
          name: since
          description: |-
            A pagination token from a previous call to this endpoint to fetch more
            rooms.
          example: GetMoreRoomsTokenHere
          schema:
            type: string
        - in: query
          name: include_all_networks
          description: |-
            Whether or not to include all networks/protocols defined by application
            services on the homeserver. Defaults to false.
          example: false
          schema:
            type: boolean
        - in: query
          name: third_party_instance_id
          description: |-
            The specific third-party network/protocol to request from the homeserver.
            Can only be used if `include_all_networks` is false.

            This is the `instance_id` of a `Protocol Instance` returned by
            [`GET /_matrix/client/v3/thirdparty/protocols`](/client-server-api/#get_matrixclientv3thirdpartyprotocols).
          example: irc-freenode
          schema:
            type: string
      responses:
        "200":
          description: A list of the published rooms on the server.
          content:
            application/json:
              schema:
                $ref: ../client-server/definitions/public_rooms_response.yaml
    post:
      summary: Lists the server's published room directory with an optional filter
      description: |-
        Lists the server's published room directory with an optional filter.

        This API returns paginated responses. The rooms are ordered by the number
        of joined members, with the largest rooms first.
      operationId: queryPublicRooms
      security:
        - signedRequest: []
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                limit:
                  type: integer
                  description: Limit the number of results returned.
                since:
                  type: string
                  description: |-
                    A pagination token from a previous request, allowing servers
                    to get the next (or previous) batch of rooms.  The direction
                    of pagination is specified solely by which token is supplied,
                    rather than via an explicit flag.
                filter:
                  type: object
                  title: Filter
                  description: Filter to apply to the results.
                  properties:
                    generic_search_term:
                      type: string
                      description: |-
                        An optional string to search for in the room metadata, e.g. name,
                        topic, canonical alias, etc.
                    room_types:
                      type: array
                      x-addedInMatrixVersion: "1.4"
                      items:
                        type: ["string", "null"]
                      description: |-
                        An optional list of [room types](/client-server-api/#types) to search
                        for. To include rooms without a room type, specify `null` within this
                        list. When not specified, all applicable rooms (regardless of type)
                        are returned.
                include_all_networks:
                  type: boolean
                  description: |-
                    Whether or not to include all known networks/protocols from
                    application services on the homeserver. Defaults to false.
                  example: false
                third_party_instance_id:
                  type: string
                  description: |-
                    The specific third-party network/protocol to request from the
                    homeserver. Can only be used if `include_all_networks` is false.

                    This is the `instance_id` of a `Protocol Instance` returned by
                    [`GET /_matrix/client/v3/thirdparty/protocols`](/client-server-api/#get_matrixclientv3thirdpartyprotocols).
                  example: irc-freenode
              example: {
                "limit": 10,
                "filter": {
                  "generic_search_term": "foo",
                  "room_types": [
                    null,
                    "m.space"
                  ]
                },
                "include_all_networks": false,
                "third_party_instance_id": "irc-freenode"
              }
        description: Options for which rooms to return, or empty object to use defaults.
        required: true
      responses:
        "200":
          description: A filtered list of the published rooms on the server.
          content:
            application/json:
              schema:
                $ref: ../client-server/definitions/public_rooms_response.yaml
servers:
  - url: "{protocol}://{hostname}{basePath}"
    variables:
      protocol:
        enum:
          - http
          - https
        default: https
      hostname:
        default: localhost:8448
      basePath:
        default: /_matrix/federation/v1
components:
  securitySchemes:
    signedRequest:
      $ref: definitions/security.yaml#/signedRequest