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

961 lines
32 KiB
YAML

# Copyright 2019-2020 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.
swagger: '2.0'
info:
title: "Matrix Client-Server Key Backup API"
version: "1.0.0"
host: localhost:8008
schemes:
- https
- http
basePath: /_matrix/client/v3
consumes:
- application/json
produces:
- application/json
securityDefinitions:
$ref: definitions/security.yaml
paths:
"/room_keys/version":
post:
x-addedInMatrixVersion: "1.1"
summary: Create a new backup.
description: |-
Creates a new backup.
operationId: postRoomKeysVersion
security:
- accessToken: []
parameters:
- in: body
name: version
description: "The backup configuration."
required: true
schema:
type: object
properties:
algorithm:
description: The algorithm used for storing backups.
type: string
enum: ["m.megolm_backup.v1.curve25519-aes-sha2"]
example: "m.megolm_backup.v1.curve25519-aes-sha2"
auth_data:
description: |-
Algorithm-dependent data. See the documentation for the backup
algorithms in [Server-side key backups](/client-server-api/#server-side-key-backups) for more information on the
expected format of the data.
type: object
example: {
"public_key": "abcdefg",
"signatures": {
"@alice:example.org": {
"ed25519:deviceid": "signature"
}
}
}
required:
- algorithm
- auth_data
responses:
200:
description:
The version id of the new backup.
schema:
type: object
properties:
version:
type: string
description: The backup version. This is an opaque string.
example: "1"
required:
- version
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
get:
x-addedInMatrixVersion: "1.1"
summary: Get information about the latest backup version.
description: |-
Get information about the latest backup version.
operationId: getRoomKeysVersionCurrent
security:
- accessToken: []
responses:
200:
description:
The information about the backup.
schema:
type: object
properties:
algorithm:
type: string
description: The algorithm used for storing backups.
enum: ["m.megolm_backup.v1.curve25519-aes-sha2"]
example: "m.megolm_backup.v1.curve25519-aes-sha2"
auth_data:
description: |-
Algorithm-dependent data. See the documentation for the backup
algorithms in [Server-side key backups](/client-server-api/#server-side-key-backups) for more information on the
expected format of the data.
type: object
example: {
"public_key": "abcdefg",
"signatures": {
"@alice:example.org": {
"ed25519:deviceid": "signature"
}
}
}
count:
description: The number of keys stored in the backup.
type: integer
example: 42
etag:
description: |-
An opaque string representing stored keys in the backup.
Clients can compare it with the `etag` value they received
in the request of their last key storage request. If not
equal, another client has modified the backup.
type: string
example: "anopaquestring"
version:
type: string
description: The backup version.
example: "1"
required:
- algorithm
- auth_data
- count
- etag
- version
404:
description:
No backup exists.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "No current backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
"/room_keys/version/{version}":
get:
x-addedInMatrixVersion: "1.1"
summary: Get information about an existing backup.
description: |-
Get information about an existing backup.
operationId: getRoomKeysVersion
security:
- accessToken: []
parameters:
- in: path
type: string
name: version
description: |-
The backup version to get, as returned in the `version` parameter
of the response in
[`POST /_matrix/client/v3/room_keys/version`](/client-server-api/#post_matrixclientv3room_keysversion)
or this endpoint.
required: true
x-example: "1"
responses:
200:
description:
The information about the requested backup.
schema:
type: object
properties:
algorithm:
type: string
description: The algorithm used for storing backups.
enum: ["m.megolm_backup.v1.curve25519-aes-sha2"]
example: "m.megolm_backup.v1.curve25519-aes-sha2"
auth_data:
description: |-
Algorithm-dependent data. See the documentation for the backup
algorithms in [Server-side key backups](/client-server-api/#server-side-key-backups) for more information on the
expected format of the data.
type: object
example: {
"public_key": "abcdefg",
"signatures": {
"@alice:example.org": {
"ed25519:deviceid": "signature"
}
}
}
count:
description: The number of keys stored in the backup.
type: integer
example: 42
etag:
description: |-
An opaque string representing stored keys in the backup.
Clients can compare it with the `etag` value they received
in the request of their last key storage request. If not
equal, another client has modified the backup.
type: string
example: "anopaquestring"
version:
type: string
description: The backup version.
example: "1"
required:
- algorithm
- auth_data
- count
- etag
- version
404:
description:
The backup specified does not exist.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
put:
x-addedInMatrixVersion: "1.1"
summary: Update information about an existing backup.
description: |-
Update information about an existing backup. Only `auth_data` can be modified.
operationId: putRoomKeysVersion
security:
- accessToken: []
parameters:
- in: path
type: string
name: version
description: |-
The backup version to update, as returned in the `version`
parameter in the response of
[`POST /_matrix/client/v3/room_keys/version`](/client-server-api/#post_matrixclientv3room_keysversion)
or [`GET /_matrix/client/v3/room_keys/version/{version}`](/client-server-api/#get_matrixclientv3room_keysversionversion).
required: true
x-example: "1"
- in: body
name: version
description: "The backup configuration"
required: true
schema:
type: object
properties:
algorithm:
description: |-
The algorithm used for storing backups. Must be the same as
the algorithm currently used by the backup.
type: string
enum: ["m.megolm_backup.v1.curve25519-aes-sha2"]
example: "m.megolm_backup.v1.curve25519-aes-sha2"
auth_data:
description: |-
Algorithm-dependent data. See the documentation for the backup
algorithms in [Server-side key backups](/client-server-api/#server-side-key-backups) for more information on the
expected format of the data.
type: object
example: {
"public_key": "abcdefg",
"signatures": {
"@alice:example.org": {
"ed25519:deviceid": "signature"
}
}
}
version:
description: |-
The backup version. If present, must be the same as the
version in the path parameter.
type: string
example: "1"
required:
- algorithm
- auth_data
responses:
200:
description: The update succeeded.
examples:
application/json: {}
schema:
type: object
400:
description: |-
A parameter was incorrect. For example, the `algorithm` does not
match the current backup algorithm, or the `version` in the body
does not match the `version` in the path.
examples:
application/json: {
"errcode": "M_INVALID_PARAM",
"error": "Algorithm does not match"
}
schema:
"$ref": "definitions/errors/error.yaml"
404:
description: The backup specified does not exist.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
delete:
x-addedInMatrixVersion: "1.1"
summary: Delete an existing key backup.
description: |-
Delete an existing key backup. Both the information about the backup,
as well as all key data related to the backup will be deleted.
operationId: deleteRoomKeysVersion
security:
- accessToken: []
parameters:
- in: path
type: string
name: version
description: |-
The backup version to delete, as returned in the `version`
parameter in the response of
[`POST /_matrix/client/v3/room_keys/version`](/client-server-api/#post_matrixclientv3room_keysversion)
or [`GET /_matrix/client/v3/room_keys/version/{version}`](/client-server-api/#get_matrixclientv3room_keysversionversion).
required: true
x-example: "1"
responses:
200:
description: |-
The delete succeeded, or the specified backup was previously
deleted.
schema:
type: object
properties: {}
404:
description: |-
The backup specified does not exist. If the backup was previously
deleted, the call should succeed rather than returning an error.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
"/room_keys/keys/{roomId}/{sessionId}":
put:
x-addedInMatrixVersion: "1.1"
summary: Store a key in the backup.
description: |-
Store a key in the backup.
operationId: putRoomKeyBySessionId
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup in which to store the key. Must be the current backup.
required: true
x-example: "1"
- in: path
type: string
name: roomId
description: The ID of the room that the key is for.
required: true
x-example: "!roomid:example.org"
- in: path
type: string
name: sessionId
description: The ID of the megolm session that the key is for.
required: true
x-example: "sessionid"
- in: body
name: data
description: "The key data."
required: true
schema:
"$ref": "definitions/key_backup_data.yaml"
responses:
200:
description: The update succeeded.
schema:
type: object
title: RoomKeysUpdateResponse
properties:
etag:
description: |-
The new etag value representing stored keys in the backup.
See `GET /room_keys/version/{version}` for more details.
type: string
example: "abcdefg"
count:
description: The number of keys stored in the backup
type: integer
example: 10
required:
- etag
- count
403:
description: |-
The version specified does not match the current backup version.
The current version will be included in the `current_version`
field.
examples:
application/json: {
"errcode": "M_WRONG_ROOM_KEYS_VERSION",
"error": "Wrong backup version.",
"current_version": "42"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
get:
x-addedInMatrixVersion: "1.1"
summary: Retrieve a key from the backup.
description: |-
Retrieve a key from the backup.
operationId: getRoomKeyBySessionId
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup from which to retrieve the key.
required: true
x-example: "1"
- in: path
type: string
name: roomId
description: The ID of the room that the requested key is for.
required: true
x-example: "!roomid:example.org"
- in: path
type: string
name: sessionId
description: The ID of the megolm session whose key is requested.
required: true
x-example: "sessionid"
responses:
200:
description: The key data
schema:
"$ref": "definitions/key_backup_data.yaml"
404:
description: The key or backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Key not found."
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
delete:
x-addedInMatrixVersion: "1.1"
summary: Delete a key from the backup.
description: |-
Delete a key from the backup.
operationId: deleteRoomKeyBySessionId
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup from which to delete the key
required: true
x-example: "1"
- in: path
type: string
name: roomId
description: The ID of the room that the specified key is for.
required: true
x-example: "!roomid:example.org"
- in: path
type: string
name: sessionId
description: The ID of the megolm session whose key is to be deleted.
required: true
x-example: "sessionid"
responses:
200:
description: The update succeeded
schema:
type: object
title: RoomKeysUpdateResponse
properties:
etag:
description: |-
The new etag value representing stored keys in the backup.
See `GET /room_keys/version/{version}` for more details.
type: string
example: "abcdefg"
count:
description: The number of keys stored in the backup
type: integer
example: 10
required:
- etag
- count
404:
description: |-
The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
"/room_keys/keys/{roomId}":
put:
x-addedInMatrixVersion: "1.1"
summary: Store several keys in the backup for a given room.
description: |-
Store several keys in the backup for a given room.
operationId: putRoomKeysByRoomId
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup in which to store the keys. Must be the current backup.
required: true
x-example: "1"
- in: path
type: string
name: roomId
description: The ID of the room that the keys are for.
required: true
x-example: "!roomid:example.org"
- in: body
description: "The backup data"
name: backupData
required: true
schema:
$ref: "definitions/room_key_backup.yaml"
responses:
200:
description: The update succeeded
schema:
type: object
title: RoomKeysUpdateResponse
properties:
etag:
description: |-
The new etag value representing stored keys in the backup.
See `GET /room_keys/version/{version}` for more details.
type: string
example: "abcdefg"
count:
description: The number of keys stored in the backup
type: integer
example: 10
required:
- etag
- count
403:
description: |-
The version specified does not match the current backup version.
The current version will be included in the `current_version`
field.
examples:
application/json: {
"errcode": "M_WRONG_ROOM_KEYS_VERSION",
"error": "Wrong backup version.",
"current_version": "42"
}
schema:
"$ref": "definitions/errors/error.yaml"
404:
description: |-
The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
get:
x-addedInMatrixVersion: "1.1"
summary: Retrieve the keys from the backup for a given room.
description: |-
Retrieve the keys from the backup for a given room.
operationId: getRoomKeysByRoomId
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup from which to retrieve the key.
required: true
x-example: "1"
- in: path
type: string
name: roomId
description: The ID of the room that the requested key is for.
required: true
x-example: "!roomid:example.org"
responses:
200:
description: |-
The key data. If no keys are found, then an object with an empty
`sessions` property will be returned (`{"sessions": {}}`).
schema:
type: object
$ref: "definitions/room_key_backup.yaml"
404:
description: |-
The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
delete:
x-addedInMatrixVersion: "1.1"
summary: Delete the keys from the backup for a given room.
description: |-
Delete the keys from the backup for a given room.
operationId: deleteRoomKeysByRoomId
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup from which to delete the key.
required: true
x-example: "1"
- in: path
type: string
name: roomId
description: The ID of the room that the specified key is for.
required: true
x-example: "!roomid:example.org"
responses:
200:
description: The update succeeded
schema:
type: object
title: RoomKeysUpdateResponse
properties:
etag:
description: |-
The new etag value representing stored keys in the backup.
See `GET /room_keys/version/{version}` for more details.
type: string
example: "abcdefg"
count:
description: The number of keys stored in the backup
type: integer
example: 10
required:
- etag
- count
404:
description: |-
The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
"/room_keys/keys":
put:
x-addedInMatrixVersion: "1.1"
summary: Store several keys in the backup.
description: |-
Store several keys in the backup.
operationId: putRoomKeys
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup in which to store the keys. Must be the current backup.
required: true
x-example: "1"
- in: body
description: "The backup data."
name: backupData
required: true
schema:
type: object
properties:
rooms:
type: object
description: |-
A map of room IDs to room key backup data.
additionalProperties:
allOf:
- $ref: "definitions/room_key_backup.yaml"
example: {
"!room:example.org": {
"sessions": {
"sessionid1": {
"first_message_index": 1,
"forwarded_count": 0,
"is_verified": true,
"session_data": {
"ephemeral": "base64+ephemeral+key",
"ciphertext": "base64+ciphertext+of+JSON+data",
"mac": "base64+mac+of+ciphertext"
}
}
}
}
}
required:
- rooms
responses:
200:
description: The update succeeded
schema:
type: object
title: RoomKeysUpdateResponse
properties:
etag:
description: |-
The new etag value representing stored keys in the backup.
See `GET /room_keys/version/{version}` for more details.
type: string
example: "abcdefg"
count:
description: The number of keys stored in the backup
type: integer
example: 10
required:
- etag
- count
403:
description: |-
The version specified does not match the current backup version.
The current version will be included in the `current_version`
field.
examples:
application/json: {
"errcode": "M_WRONG_ROOM_KEYS_VERSION",
"error": "Wrong backup version.",
"current_version": "42"
}
schema:
"$ref": "definitions/errors/error.yaml"
404:
description: |-
The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
get:
x-addedInMatrixVersion: "1.1"
summary: Retrieve the keys from the backup.
description: |-
Retrieve the keys from the backup.
operationId: getRoomKeys
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup from which to retrieve the keys.
required: true
x-example: "1"
responses:
200:
description: |-
The key data. If no keys are found, then an object with an empty
`rooms` property will be returned (`{"rooms": {}}`).
schema:
type: object
properties:
rooms:
type: object
description: |-
A map of room IDs to room key backup data.
additionalProperties:
allOf:
- $ref: "definitions/room_key_backup.yaml"
example: {
"!room:example.org": {
"sessions": {
"sessionid1": {
"first_message_index": 1,
"forwarded_count": 0,
"is_verified": true,
"session_data": {
"ephemeral": "base64+ephemeral+key",
"ciphertext": "base64+ciphertext+of+JSON+data",
"mac": "base64+mac+of+ciphertext"
}
}
}
}
}
required:
- rooms
404:
description: The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version."
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption
delete:
x-addedInMatrixVersion: "1.1"
summary: Delete the keys from the backup.
description: |-
Delete the keys from the backup.
operationId: deleteRoomKeys
security:
- accessToken: []
parameters:
- in: query
type: string
name: version
description: |-
The backup from which to delete the key
required: true
x-example: "1"
responses:
200:
description: The update succeeded
schema:
type: object
title: RoomKeysUpdateResponse
properties:
etag:
description: |-
The new etag value representing stored keys in the backup.
See `GET /room_keys/version/{version}` for more details.
type: string
example: "abcdefg"
count:
description: The number of keys stored in the backup
type: integer
example: 10
required:
- etag
- count
404:
description: |-
The backup was not found.
examples:
application/json: {
"errcode": "M_NOT_FOUND",
"error": "Unknown backup version"
}
schema:
"$ref": "definitions/errors/error.yaml"
429:
description: This request was rate-limited.
schema:
"$ref": "definitions/errors/rate_limited.yaml"
tags:
- End-to-end encryption