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Merge branch 'docs-restructuring' of github.com:matrix-org/synapse into develop

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All matrix-generic documentation now lives in its own project at
github.com/matrix-org/matrix-doc.git
Only Synapse implementation-specific documentation lives here now
(together with some older stuff will be shortly migrated over to matrix-doc)

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docs/client-server/howto.rst
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.. TODO kegan
Room config (specifically: message history,
public rooms). /register seems super simplistic compared to /login, maybe it
would be better if /register used the same technique as /login? /register should
be "user" not "user_id".
How to use the client-server API
================================
This guide focuses on how the client-server APIs *provided by the reference
home server* can be used. Since this is specific to a home server
implementation, there may be variations in relation to registering/logging in
which are not covered in extensive detail in this guide.
If you haven't already, get a home server up and running on
``http://localhost:8008``.
Accounts
========
Before you can send and receive messages, you must **register** for an account.
If you already have an account, you must **login** into it.
`Try out the fiddle`__
.. __: http://jsfiddle.net/gh/get/jquery/1.8.3/matrix-org/synapse/tree/master/jsfiddles/register_login
Registration
------------
The aim of registration is to get a user ID and access token which you will need
when accessing other APIs::
curl -XPOST -d '{"user":"example", "password":"wordpass", "type":"m.login.password"}' "http://localhost:8008/_matrix/client/api/v1/register"
{
"access_token": "QGV4YW1wbGU6bG9jYWxob3N0.AqdSzFmFYrLrTmteXc",
"home_server": "localhost",
"user_id": "@example:localhost"
}
NB: If a ``user`` is not specified, one will be randomly generated for you.
If you do not specify a ``password``, you will be unable to login to the account
if you forget the ``access_token``.
Implementation note: The matrix specification does not enforce how users
register with a server. It just specifies the URL path and absolute minimum
keys. The reference home server uses a username/password to authenticate user,
but other home servers may use different methods. This is why you need to
specify the ``type`` of method.
Login
-----
The aim when logging in is to get an access token for your existing user ID::
curl -XGET "http://localhost:8008/_matrix/client/api/v1/login"
{
"flows": [
{
"type": "m.login.password"
}
]
}
curl -XPOST -d '{"type":"m.login.password", "user":"example", "password":"wordpass"}' "http://localhost:8008/_matrix/client/api/v1/login"
{
"access_token": "QGV4YW1wbGU6bG9jYWxob3N0.vRDLTgxefmKWQEtgGd",
"home_server": "localhost",
"user_id": "@example:localhost"
}
Implementation note: Different home servers may implement different methods for
logging in to an existing account. In order to check that you know how to login
to this home server, you must perform a ``GET`` first and make sure you
recognise the login type. If you do not know how to login, you can
``GET /login/fallback`` which will return a basic webpage which you can use to
login. The reference home server implementation support username/password login,
but other home servers may support different login methods (e.g. OAuth2).
Communicating
=============
In order to communicate with another user, you must **create a room** with that
user and **send a message** to that room.
`Try out the fiddle`__
.. __: http://jsfiddle.net/gh/get/jquery/1.8.3/matrix-org/synapse/tree/master/jsfiddles/create_room_send_msg
Creating a room
---------------
If you want to send a message to someone, you have to be in a room with them. To
create a room::
curl -XPOST -d '{"room_alias_name":"tutorial"}' "http://localhost:8008/_matrix/client/api/v1/createRoom?access_token=YOUR_ACCESS_TOKEN"
{
"room_alias": "#tutorial:localhost",
"room_id": "!CvcvRuDYDzTOzfKKgh:localhost"
}
The "room alias" is a human-readable string which can be shared with other users
so they can join a room, rather than the room ID which is a randomly generated
string. You can have multiple room aliases per room.
.. TODO(kegan)
How to add/remove aliases from an existing room.
Sending messages
----------------
You can now send messages to this room::
curl -XPOST -d '{"msgtype":"m.text", "body":"hello"}' "http://localhost:8008/_matrix/client/api/v1/rooms/%21CvcvRuDYDzTOzfKKgh%3Alocalhost/send/m.room.message?access_token=YOUR_ACCESS_TOKEN"
{
"event_id": "YUwRidLecu"
}
The event ID returned is a unique ID which identifies this message.
NB: There are no limitations to the types of messages which can be exchanged.
The only requirement is that ``"msgtype"`` is specified. The Matrix
specification outlines the following standard types: ``m.text``, ``m.image``,
``m.audio``, ``m.video``, ``m.location``, ``m.emote``. See the specification for
more information on these types.
Users and rooms
===============
Each room can be configured to allow or disallow certain rules. In particular,
these rules may specify if you require an **invitation** from someone already in
the room in order to **join the room**. In addition, you may also be able to
join a room **via a room alias** if one was set up.
`Try out the fiddle`__
.. __: http://jsfiddle.net/gh/get/jquery/1.8.3/matrix-org/synapse/tree/master/jsfiddles/room_memberships
Inviting a user to a room
-------------------------
You can directly invite a user to a room like so::
curl -XPOST -d '{"user_id":"@myfriend:localhost"}' "http://localhost:8008/_matrix/client/api/v1/rooms/%21CvcvRuDYDzTOzfKKgh%3Alocalhost/invite?access_token=YOUR_ACCESS_TOKEN"
This informs ``@myfriend:localhost`` of the room ID
``!CvcvRuDYDzTOzfKKgh:localhost`` and allows them to join the room.
Joining a room via an invite
----------------------------
If you receive an invite, you can join the room::
curl -XPOST -d '{}' "http://localhost:8008/_matrix/client/api/v1/rooms/%21CvcvRuDYDzTOzfKKgh%3Alocalhost/join?access_token=YOUR_ACCESS_TOKEN"
NB: Only the person invited (``@myfriend:localhost``) can change the membership
state to ``"join"``. Repeatedly joining a room does nothing.
Joining a room via an alias
---------------------------
Alternatively, if you know the room alias for this room and the room config
allows it, you can directly join a room via the alias::
curl -XPOST -d '{}' "http://localhost:8008/_matrix/client/api/v1/join/%23tutorial%3Alocalhost?access_token=YOUR_ACCESS_TOKEN"
{
"room_id": "!CvcvRuDYDzTOzfKKgh:localhost"
}
You will need to use the room ID when sending messages, not the room alias.
NB: If the room is configured to be an invite-only room, you will still require
an invite in order to join the room even though you know the room alias. As a
result, it is more common to see a room alias in relation to a public room,
which do not require invitations.
Getting events
==============
An event is some interesting piece of data that a client may be interested in.
It can be a message in a room, a room invite, etc. There are many different ways
of getting events, depending on what the client already knows.
`Try out the fiddle`__
.. __: http://jsfiddle.net/gh/get/jquery/1.8.3/matrix-org/synapse/tree/master/jsfiddles/event_stream
Getting all state
-----------------
If the client doesn't know any information on the rooms the user is
invited/joined on, they can get all the user's state for all rooms::
curl -XGET "http://localhost:8008/_matrix/client/api/v1/initialSync?access_token=YOUR_ACCESS_TOKEN"
{
"end": "s39_18_0",
"presence": [
{
"content": {
"last_active_ago": 1061436,
"user_id": "@example:localhost"
},
"type": "m.presence"
}
],
"rooms": [
{
"membership": "join",
"messages": {
"chunk": [
{
"content": {
"@example:localhost": 10,
"default": 0
},
"event_id": "wAumPSTsWF",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.power_levels",
"user_id": "@example:localhost"
},
{
"content": {
"join_rule": "public"
},
"event_id": "jrLVqKHKiI",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.join_rules",
"user_id": "@example:localhost"
},
{
"content": {
"level": 10
},
"event_id": "WpmTgsNWUZ",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.add_state_level",
"user_id": "@example:localhost"
},
{
"content": {
"level": 0
},
"event_id": "qUMBJyKsTQ",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.send_event_level",
"user_id": "@example:localhost"
},
{
"content": {
"ban_level": 5,
"kick_level": 5
},
"event_id": "YAaDmKvoUW",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.ops_levels",
"user_id": "@example:localhost"
},
{
"content": {
"avatar_url": null,
"displayname": null,
"membership": "join"
},
"event_id": "RJbPMtCutf",
"membership": "join",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@example:localhost",
"ts": 1409665586730,
"type": "m.room.member",
"user_id": "@example:localhost"
},
{
"content": {
"body": "hello",
"hsob_ts": 1409665660439,
"msgtype": "m.text"
},
"event_id": "YUwRidLecu",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"ts": 1409665660439,
"type": "m.room.message",
"user_id": "@example:localhost"
},
{
"content": {
"membership": "invite"
},
"event_id": "YjNuBKnPsb",
"membership": "invite",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@myfriend:localhost",
"ts": 1409666426819,
"type": "m.room.member",
"user_id": "@example:localhost"
},
{
"content": {
"avatar_url": null,
"displayname": null,
"membership": "join",
"prev": "join"
},
"event_id": "KWwdDjNZnm",
"membership": "join",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@example:localhost",
"ts": 1409666551582,
"type": "m.room.member",
"user_id": "@example:localhost"
},
{
"content": {
"avatar_url": null,
"displayname": null,
"membership": "join"
},
"event_id": "JFLVteSvQc",
"membership": "join",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@example:localhost",
"ts": 1409666587265,
"type": "m.room.member",
"user_id": "@example:localhost"
}
],
"end": "s39_18_0",
"start": "t1-11_18_0"
},
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state": [
{
"content": {
"creator": "@example:localhost"
},
"event_id": "dMUoqVTZca",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.create",
"user_id": "@example:localhost"
},
{
"content": {
"@example:localhost": 10,
"default": 0
},
"event_id": "wAumPSTsWF",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.power_levels",
"user_id": "@example:localhost"
},
{
"content": {
"join_rule": "public"
},
"event_id": "jrLVqKHKiI",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.join_rules",
"user_id": "@example:localhost"
},
{
"content": {
"level": 10
},
"event_id": "WpmTgsNWUZ",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.add_state_level",
"user_id": "@example:localhost"
},
{
"content": {
"level": 0
},
"event_id": "qUMBJyKsTQ",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.send_event_level",
"user_id": "@example:localhost"
},
{
"content": {
"ban_level": 5,
"kick_level": 5
},
"event_id": "YAaDmKvoUW",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.ops_levels",
"user_id": "@example:localhost"
},
{
"content": {
"membership": "invite"
},
"event_id": "YjNuBKnPsb",
"membership": "invite",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@myfriend:localhost",
"ts": 1409666426819,
"type": "m.room.member",
"user_id": "@example:localhost"
},
{
"content": {
"avatar_url": null,
"displayname": null,
"membership": "join"
},
"event_id": "JFLVteSvQc",
"membership": "join",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@example:localhost",
"ts": 1409666587265,
"type": "m.room.member",
"user_id": "@example:localhost"
}
]
}
]
}
This returns all the room information the user is invited/joined on, as well as
all of the presences relevant for these rooms. This can be a LOT of data. You
may just want the most recent event for each room. This can be achieved by
applying query parameters to ``limit`` this request::
curl -XGET "http://localhost:8008/_matrix/client/api/v1/initialSync?limit=1&access_token=YOUR_ACCESS_TOKEN"
{
"end": "s39_18_0",
"presence": [
{
"content": {
"last_active_ago": 1279484,
"user_id": "@example:localhost"
},
"type": "m.presence"
}
],
"rooms": [
{
"membership": "join",
"messages": {
"chunk": [
{
"content": {
"avatar_url": null,
"displayname": null,
"membership": "join"
},
"event_id": "JFLVteSvQc",
"membership": "join",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@example:localhost",
"ts": 1409666587265,
"type": "m.room.member",
"user_id": "@example:localhost"
}
],
"end": "s39_18_0",
"start": "t10-30_18_0"
},
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state": [
{
"content": {
"creator": "@example:localhost"
},
"event_id": "dMUoqVTZca",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.create",
"user_id": "@example:localhost"
},
{
"content": {
"@example:localhost": 10,
"default": 0
},
"event_id": "wAumPSTsWF",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.power_levels",
"user_id": "@example:localhost"
},
{
"content": {
"join_rule": "public"
},
"event_id": "jrLVqKHKiI",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.join_rules",
"user_id": "@example:localhost"
},
{
"content": {
"level": 10
},
"event_id": "WpmTgsNWUZ",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.add_state_level",
"user_id": "@example:localhost"
},
{
"content": {
"level": 0
},
"event_id": "qUMBJyKsTQ",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.send_event_level",
"user_id": "@example:localhost"
},
{
"content": {
"ban_level": 5,
"kick_level": 5
},
"event_id": "YAaDmKvoUW",
"required_power_level": 10,
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "",
"ts": 1409665585188,
"type": "m.room.ops_levels",
"user_id": "@example:localhost"
},
{
"content": {
"membership": "invite"
},
"event_id": "YjNuBKnPsb",
"membership": "invite",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@myfriend:localhost",
"ts": 1409666426819,
"type": "m.room.member",
"user_id": "@example:localhost"
},
{
"content": {
"avatar_url": null,
"displayname": null,
"membership": "join"
},
"event_id": "JFLVteSvQc",
"membership": "join",
"room_id": "!MkDbyRqnvTYnoxjLYx:localhost",
"state_key": "@example:localhost",
"ts": 1409666587265,
"type": "m.room.member",
"user_id": "@example:localhost"
}
]
}
]
}
Getting live state
------------------
Once you know which rooms the client has previously interacted with, you need to
listen for incoming events. This can be done like so::
curl -XGET "http://localhost:8008/_matrix/client/api/v1/events?access_token=YOUR_ACCESS_TOKEN"
{
"chunk": [],
"end": "s39_18_0",
"start": "s39_18_0"
}
This will block waiting for an incoming event, timing out after several seconds.
Even if there are no new events (as in the example above), there will be some
pagination stream response keys. The client should make subsequent requests
using the value of the ``"end"`` key (in this case ``s39_18_0``) as the ``from``
query parameter e.g. ``http://localhost:8008/_matrix/client/api/v1/events?access
_token=YOUR_ACCESS_TOKEN&from=s39_18_0``. This value should be stored so when the
client reopens your app after a period of inactivity, you can resume from where
you got up to in the event stream. If it has been a long period of inactivity,
there may be LOTS of events waiting for the user. In this case, you may wish to
get all state instead and then resume getting live state from a newer end token.
NB: The timeout can be changed by adding a ``timeout`` query parameter, which is
in milliseconds. A timeout of 0 will not block.
Example application
-------------------
The following example demonstrates registration and login, live event streaming,
creating and joining rooms, sending messages, getting member lists and getting
historical messages for a room. This covers most functionality of a messaging
application.
`Try out the fiddle`__
.. __: http://jsfiddle.net/gh/get/jquery/1.8.3/matrix-org/synapse/tree/master/jsfiddles/example_app

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{
"apiVersion": "1.0.0",
"swaggerVersion": "1.2",
"apis": [
{
"path": "-login",
"description": "Login operations"
},
{
"path": "-registration",
"description": "Registration operations"
},
{
"path": "-rooms",
"description": "Room operations"
},
{
"path": "-profile",
"description": "Profile operations"
},
{
"path": "-presence",
"description": "Presence operations"
},
{
"path": "-events",
"description": "Event operations"
},
{
"path": "-directory",
"description": "Directory operations"
}
],
"authorizations": {
"token": {
"scopes": []
}
},
"info": {
"title": "Matrix Client-Server API Reference",
"description": "This contains the client-server API for the reference implementation of the home server",
"termsOfServiceUrl": "http://matrix.org",
"license": "Apache 2.0",
"licenseUrl": "http://www.apache.org/licenses/LICENSE-2.0.html"
}
}

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{
"apiVersion": "1.0.0",
"swaggerVersion": "1.2",
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"resourcePath": "/directory",
"produces": [
"application/json"
],
"apis": [
{
"path": "/directory/room/{roomAlias}",
"operations": [
{
"method": "GET",
"summary": "Get the room ID corresponding to this room alias.",
"notes": "Volatile: This API is likely to change.",
"type": "DirectoryResponse",
"nickname": "get_room_id_for_alias",
"parameters": [
{
"name": "roomAlias",
"description": "The room alias.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "PUT",
"summary": "Create a new mapping from room alias to room ID.",
"notes": "Volatile: This API is likely to change.",
"type": "void",
"nickname": "add_room_alias",
"parameters": [
{
"name": "roomAlias",
"description": "The room alias to set.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "body",
"description": "The room ID to set.",
"required": true,
"type": "RoomAliasRequest",
"paramType": "body"
}
]
},
{
"method": "DELETE",
"summary": "Removes a mapping of room alias to room ID.",
"notes": "Only privileged users can perform this action.",
"type": "void",
"nickname": "remove_room_alias",
"parameters": [
{
"name": "roomAlias",
"description": "The room alias to remove.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
}
],
"models": {
"DirectoryResponse": {
"id": "DirectoryResponse",
"properties": {
"room_id": {
"type": "string",
"description": "The fully-qualified room ID.",
"required": true
},
"servers": {
"type": "array",
"items": {
"$ref": "string"
},
"description": "A list of servers that know about this room.",
"required": true
}
}
},
"RoomAliasRequest": {
"id": "RoomAliasRequest",
"properties": {
"room_id": {
"type": "string",
"description": "The room ID to map the alias to.",
"required": true
}
}
}
}
}

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{
"apiVersion": "1.0.0",
"swaggerVersion": "1.2",
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"resourcePath": "/events",
"produces": [
"application/json"
],
"apis": [
{
"path": "/events",
"operations": [
{
"method": "GET",
"summary": "Listen on the event stream",
"notes": "This can only be done by the logged in user. This will block until an event is received, or until the timeout is reached.",
"type": "PaginationChunk",
"nickname": "get_event_stream",
"parameters": [
{
"name": "from",
"description": "The token to stream from.",
"required": false,
"type": "string",
"paramType": "query"
},
{
"name": "timeout",
"description": "The maximum time in milliseconds to wait for an event.",
"required": false,
"type": "integer",
"paramType": "query"
}
]
}
],
"responseMessages": [
{
"code": 400,
"message": "Bad pagination token."
}
]
},
{
"path": "/events/{eventId}",
"operations": [
{
"method": "GET",
"summary": "Get information about a single event.",
"notes": "Get information about a single event.",
"type": "Event",
"nickname": "get_event",
"parameters": [
{
"name": "eventId",
"description": "The event ID to get.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 404,
"message": "Event not found."
}
]
}
]
},
{
"path": "/initialSync",
"operations": [
{
"method": "GET",
"summary": "Get this user's current state.",
"notes": "Get this user's current state.",
"type": "InitialSyncResponse",
"nickname": "initial_sync",
"parameters": [
{
"name": "limit",
"description": "The maximum number of messages to return for each room.",
"type": "integer",
"paramType": "query",
"required": false
}
]
}
]
},
{
"path": "/publicRooms",
"operations": [
{
"method": "GET",
"summary": "Get a list of publicly visible rooms.",
"type": "PublicRoomsPaginationChunk",
"nickname": "get_public_room_list"
}
]
}
],
"models": {
"PaginationChunk": {
"id": "PaginationChunk",
"properties": {
"start": {
"type": "string",
"description": "A token which correlates to the first value in \"chunk\" for paginating.",
"required": true
},
"end": {
"type": "string",
"description": "A token which correlates to the last value in \"chunk\" for paginating.",
"required": true
},
"chunk": {
"type": "array",
"description": "An array of events.",
"required": true,
"items": {
"$ref": "Event"
}
}
}
},
"Event": {
"id": "Event",
"properties": {
"event_id": {
"type": "string",
"description": "An ID which uniquely identifies this event.",
"required": true
},
"room_id": {
"type": "string",
"description": "The room in which this event occurred.",
"required": true
}
}
},
"PublicRoomInfo": {
"id": "PublicRoomInfo",
"properties": {
"aliases": {
"type": "array",
"description": "A list of room aliases for this room.",
"items": {
"$ref": "string"
}
},
"name": {
"type": "string",
"description": "The name of the room, as given by the m.room.name state event."
},
"room_id": {
"type": "string",
"description": "The room ID for this public room.",
"required": true
},
"topic": {
"type": "string",
"description": "The topic of this room, as given by the m.room.topic state event."
}
}
},
"PublicRoomsPaginationChunk": {
"id": "PublicRoomsPaginationChunk",
"properties": {
"start": {
"type": "string",
"description": "A token which correlates to the first value in \"chunk\" for paginating.",
"required": true
},
"end": {
"type": "string",
"description": "A token which correlates to the last value in \"chunk\" for paginating.",
"required": true
},
"chunk": {
"type": "array",
"description": "A list of public room data.",
"required": true,
"items": {
"$ref": "PublicRoomInfo"
}
}
}
},
"InitialSyncResponse": {
"id": "InitialSyncResponse",
"properties": {
"end": {
"type": "string",
"description": "A streaming token which can be used with /events to continue from this snapshot of data.",
"required": true
},
"presence": {
"type": "array",
"description": "A list of presence events.",
"items": {
"$ref": "Event"
},
"required": false
},
"rooms": {
"type": "array",
"description": "A list of initial sync room data.",
"required": false,
"items": {
"$ref": "InitialSyncRoomData"
}
}
}
},
"InitialSyncRoomData": {
"id": "InitialSyncRoomData",
"properties": {
"membership": {
"type": "string",
"description": "This user's membership state in this room.",
"required": true
},
"room_id": {
"type": "string",
"description": "The ID of this room.",
"required": true
},
"messages": {
"type": "PaginationChunk",
"description": "The most recent messages for this room, governed by the limit parameter.",
"required": false
},
"state": {
"type": "array",
"description": "A list of state events representing the current state of the room.",
"required": false,
"items": {
"$ref": "Event"
}
}
}
}
}
}

120
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@ -1,120 +0,0 @@
{
"apiVersion": "1.0.0",
"apis": [
{
"operations": [
{
"method": "GET",
"nickname": "get_login_info",
"notes": "All login stages MUST be mentioned if there is >1 login type.",
"summary": "Get the login mechanism to use when logging in.",
"type": "LoginFlows"
},
{
"method": "POST",
"nickname": "submit_login",
"notes": "If this is part of a multi-stage login, there MUST be a 'session' key.",
"parameters": [
{
"description": "A login submission",
"name": "body",
"paramType": "body",
"required": true,
"type": "LoginSubmission"
}
],
"responseMessages": [
{
"code": 400,
"message": "Bad login type"
},
{
"code": 400,
"message": "Missing JSON keys"
}
],
"summary": "Submit a login action.",
"type": "LoginResult"
}
],
"path": "/login"
}
],
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"consumes": [
"application/json"
],
"models": {
"LoginFlows": {
"id": "LoginFlows",
"properties": {
"flows": {
"description": "A list of valid login flows.",
"type": "array",
"items": {
"$ref": "LoginInfo"
}
}
}
},
"LoginInfo": {
"id": "LoginInfo",
"properties": {
"stages": {
"description": "Multi-stage login only: An array of all the login types required to login.",
"items": {
"$ref": "string"
},
"type": "array"
},
"type": {
"description": "The login type that must be used when logging in.",
"type": "string"
}
}
},
"LoginResult": {
"id": "LoginResult",
"properties": {
"access_token": {
"description": "The access token for this user's login if this is the final stage of the login process.",
"type": "string"
},
"user_id": {
"description": "The user's fully-qualified user ID.",
"type": "string"
},
"next": {
"description": "Multi-stage login only: The next login type to submit.",
"type": "string"
},
"session": {
"description": "Multi-stage login only: The session token to send when submitting the next login type.",
"type": "string"
}
}
},
"LoginSubmission": {
"id": "LoginSubmission",
"properties": {
"type": {
"description": "The type of login being submitted.",
"type": "string"
},
"session": {
"description": "Multi-stage login only: The session token from an earlier login stage.",
"type": "string"
},
"_login_type_defined_keys_": {
"description": "Keys as defined by the specified login type, e.g. \"user\", \"password\""
}
}
}
},
"produces": [
"application/json"
],
"resourcePath": "/login",
"swaggerVersion": "1.2"
}

164
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@ -1,164 +0,0 @@
{
"apiVersion": "1.0.0",
"swaggerVersion": "1.2",
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"resourcePath": "/presence",
"produces": [
"application/json"
],
"consumes": [
"application/json"
],
"apis": [
{
"path": "/presence/{userId}/status",
"operations": [
{
"method": "PUT",
"summary": "Update this user's presence state.",
"notes": "This can only be done by the logged in user.",
"type": "void",
"nickname": "update_presence",
"parameters": [
{
"name": "body",
"description": "The new presence state",
"required": true,
"type": "PresenceUpdate",
"paramType": "body"
},
{
"name": "userId",
"description": "The user whose presence to set.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "GET",
"summary": "Get this user's presence state.",
"notes": "Get this user's presence state.",
"type": "PresenceUpdate",
"nickname": "get_presence",
"parameters": [
{
"name": "userId",
"description": "The user whose presence to get.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
},
{
"path": "/presence/list/{userId}",
"operations": [
{
"method": "GET",
"summary": "Retrieve a list of presences for all of this user's friends.",
"notes": "",
"type": "array",
"items": {
"$ref": "Presence"
},
"nickname": "get_presence_list",
"parameters": [
{
"name": "userId",
"description": "The user whose presence list to get.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "POST",
"summary": "Add or remove users from this presence list.",
"notes": "Add or remove users from this presence list.",
"type": "void",
"nickname": "modify_presence_list",
"parameters": [
{
"name": "userId",
"description": "The user whose presence list is being modified.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "body",
"description": "The modifications to make to this presence list.",
"required": true,
"type": "PresenceListModifications",
"paramType": "body"
}
]
}
]
}
],
"models": {
"PresenceUpdate": {
"id": "PresenceUpdate",
"properties": {
"presence": {
"type": "string",
"description": "Enum: The presence state.",
"enum": [
"offline",
"unavailable",
"online",
"free_for_chat"
]
},
"status_msg": {
"type": "string",
"description": "The user-defined message associated with this presence state."
}
},
"subTypes": [
"Presence"
]
},
"Presence": {
"id": "Presence",
"properties": {
"last_active_ago": {
"type": "integer",
"format": "int64",
"description": "The last time this user performed an action on their home server."
},
"user_id": {
"type": "string",
"description": "The fully qualified user ID"
}
}
},
"PresenceListModifications": {
"id": "PresenceListModifications",
"properties": {
"invite": {
"type": "array",
"description": "A list of user IDs to add to the list.",
"items": {
"type": "string",
"description": "A fully qualified user ID."
}
},
"drop": {
"type": "array",
"description": "A list of user IDs to remove from the list.",
"items": {
"type": "string",
"description": "A fully qualified user ID."
}
}
}
}
}
}

122
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@ -1,122 +0,0 @@
{
"apiVersion": "1.0.0",
"swaggerVersion": "1.2",
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"resourcePath": "/profile",
"produces": [
"application/json"
],
"consumes": [
"application/json"
],
"apis": [
{
"path": "/profile/{userId}/displayname",
"operations": [
{
"method": "PUT",
"summary": "Set a display name.",
"notes": "This can only be done by the logged in user.",
"type": "void",
"nickname": "set_display_name",
"parameters": [
{
"name": "body",
"description": "The new display name for this user.",
"required": true,
"type": "DisplayName",
"paramType": "body"
},
{
"name": "userId",
"description": "The user whose display name to set.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "GET",
"summary": "Get a display name.",
"notes": "This can be done by anyone.",
"type": "DisplayName",
"nickname": "get_display_name",
"parameters": [
{
"name": "userId",
"description": "The user whose display name to get.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
},
{
"path": "/profile/{userId}/avatar_url",
"operations": [
{
"method": "PUT",
"summary": "Set an avatar URL.",
"notes": "This can only be done by the logged in user.",
"type": "void",
"nickname": "set_avatar_url",
"parameters": [
{
"name": "body",
"description": "The new avatar url for this user.",
"required": true,
"type": "AvatarUrl",
"paramType": "body"
},
{
"name": "userId",
"description": "The user whose avatar url to set.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "GET",
"summary": "Get an avatar url.",
"notes": "This can be done by anyone.",
"type": "AvatarUrl",
"nickname": "get_avatar_url",
"parameters": [
{
"name": "userId",
"description": "The user whose avatar url to get.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
}
],
"models": {
"DisplayName": {
"id": "DisplayName",
"properties": {
"displayname": {
"type": "string",
"description": "The textual display name"
}
}
},
"AvatarUrl": {
"id": "AvatarUrl",
"properties": {
"avatar_url": {
"type": "string",
"description": "A url to an image representing an avatar."
}
}
}
}
}

120
docs/client-server/swagger_matrix/api-docs-registration
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@ -1,120 +0,0 @@
{
"apiVersion": "1.0.0",
"apis": [
{
"operations": [
{
"method": "GET",
"nickname": "get_registration_info",
"notes": "All login stages MUST be mentioned if there is >1 login type.",
"summary": "Get the login mechanism to use when registering.",
"type": "RegistrationFlows"
},
{
"method": "POST",
"nickname": "submit_registration",
"notes": "If this is part of a multi-stage registration, there MUST be a 'session' key.",
"parameters": [
{
"description": "A registration submission",
"name": "body",
"paramType": "body",
"required": true,
"type": "RegistrationSubmission"
}
],
"responseMessages": [
{
"code": 400,
"message": "Bad login type"
},
{
"code": 400,
"message": "Missing JSON keys"
}
],
"summary": "Submit a registration action.",
"type": "RegistrationResult"
}
],
"path": "/register"
}
],
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"consumes": [
"application/json"
],
"models": {
"RegistrationFlows": {
"id": "RegistrationFlows",
"properties": {
"flows": {
"description": "A list of valid registration flows.",
"type": "array",
"items": {
"$ref": "RegistrationInfo"
}
}
}
},
"RegistrationInfo": {
"id": "RegistrationInfo",
"properties": {
"stages": {
"description": "Multi-stage registration only: An array of all the login types required to registration.",
"items": {
"$ref": "string"
},
"type": "array"
},
"type": {
"description": "The first login type that must be used when logging in.",
"type": "string"
}
}
},
"RegistrationResult": {
"id": "RegistrationResult",
"properties": {
"access_token": {
"description": "The access token for this user's registration if this is the final stage of the registration process.",
"type": "string"
},
"user_id": {
"description": "The user's fully-qualified user ID.",
"type": "string"
},
"next": {
"description": "Multi-stage registration only: The next registration type to submit.",
"type": "string"
},
"session": {
"description": "Multi-stage registration only: The session token to send when submitting the next registration type.",
"type": "string"
}
}
},
"RegistrationSubmission": {
"id": "RegistrationSubmission",
"properties": {
"type": {
"description": "The type of registration being submitted.",
"type": "string"
},
"session": {
"description": "Multi-stage registration only: The session token from an earlier registration stage.",
"type": "string"
},
"_registration_type_defined_keys_": {
"description": "Keys as defined by the specified registration type, e.g. \"user\", \"password\""
}
}
}
},
"produces": [
"application/json"
],
"resourcePath": "/register",
"swaggerVersion": "1.2"
}

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docs/client-server/swagger_matrix/api-docs-rooms
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@ -1,977 +0,0 @@
{
"apiVersion": "1.0.0",
"swaggerVersion": "1.2",
"basePath": "http://localhost:8008/_matrix/client/api/v1",
"resourcePath": "/rooms",
"produces": [
"application/json"
],
"consumes": [
"application/json"
],
"authorizations": {
"token": []
},
"apis": [
{
"path": "/rooms/{roomId}/send/{eventType}",
"operations": [
{
"method": "POST",
"summary": "Send a generic non-state event to this room.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}.",
"type": "EventId",
"nickname": "send_non_state_event",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The event contents",
"required": true,
"type": "EventContent",
"paramType": "body"
},
{
"name": "roomId",
"description": "The room to send the message in.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "eventType",
"description": "The type of event to send.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
},
{
"path": "/rooms/{roomId}/state/{eventType}/{stateKey}",
"operations": [
{
"method": "PUT",
"summary": "Send a generic state event to this room.",
"notes": "The state key can be omitted, such that you can PUT to /rooms/{roomId}/state/{eventType}. The state key defaults to a 0 length string in this case.",
"type": "void",
"nickname": "send_state_event",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The event contents",
"required": true,
"type": "EventContent",
"paramType": "body"
},
{
"name": "roomId",
"description": "The room to send the message in.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "eventType",
"description": "The type of event to send.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "stateKey",
"description": "An identifier used to specify clobbering semantics. State events with the same (roomId, eventType, stateKey) will be replaced.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
},
{
"path": "/rooms/{roomId}/send/m.room.message",
"operations": [
{
"method": "POST",
"summary": "Send a message in this room.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}.",
"type": "EventId",
"nickname": "send_message",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The message contents",
"required": true,
"type": "Message",
"paramType": "body"
},
{
"name": "roomId",
"description": "The room to send the message in.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
},
{
"path": "/rooms/{roomId}/state/m.room.topic",
"operations": [
{
"method": "PUT",
"summary": "Set the topic for this room.",
"notes": "Set the topic for this room.",
"type": "void",
"nickname": "set_topic",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The topic contents",
"required": true,
"type": "Topic",
"paramType": "body"
},
{
"name": "roomId",
"description": "The room to set the topic in.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "GET",
"summary": "Get the topic for this room.",
"notes": "Get the topic for this room.",
"type": "Topic",
"nickname": "get_topic",
"parameters": [
{
"name": "roomId",
"description": "The room to get topic in.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 404,
"message": "Topic not found."
}
]
}
]
},
{
"path": "/rooms/{roomId}/state/m.room.name",
"operations": [
{
"method": "PUT",
"summary": "Set the name of this room.",
"notes": "Set the name of this room.",
"type": "void",
"nickname": "set_room_name",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The name contents",
"required": true,
"type": "RoomName",
"paramType": "body"
},
{
"name": "roomId",
"description": "The room to set the name of.",
"required": true,
"type": "string",
"paramType": "path"
}
]
},
{
"method": "GET",
"summary": "Get the room's name.",
"notes": "",
"type": "RoomName",
"nickname": "get_room_name",
"parameters": [
{
"name": "roomId",
"description": "The room to get the name of.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 404,
"message": "Name not found."
}
]
}
]
},
{
"path": "/rooms/{roomId}/send/m.room.message.feedback",
"operations": [
{
"method": "POST",
"summary": "Send feedback to a message.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}.",
"type": "EventId",
"nickname": "send_feedback",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The feedback contents",
"required": true,
"type": "Feedback",
"paramType": "body"
},
{
"name": "roomId",
"description": "The room to send the feedback in.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 400,
"message": "Bad feedback type."
}
]
}
]
},
{
"path": "/rooms/{roomId}/invite",
"operations": [
{
"method": "POST",
"summary": "Invite a user to this room.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}.",
"type": "void",
"nickname": "invite",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "roomId",
"description": "The room which has this user.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "body",
"description": "The user to invite.",
"required": true,
"type": "InviteRequest",
"paramType": "body"
}
]
}
]
},
{
"path": "/rooms/{roomId}/join",
"operations": [
{
"method": "POST",
"summary": "Join this room.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}.",
"type": "void",
"nickname": "join_room",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "roomId",
"description": "The room to join.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "body",
"required": true,
"type": "JoinRequest",
"paramType": "body"
}
]
}
]
},
{
"path": "/rooms/{roomId}/leave",
"operations": [
{
"method": "POST",
"summary": "Leave this room.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}.",
"type": "void",
"nickname": "leave",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "roomId",
"description": "The room to leave.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "body",
"required": true,
"type": "LeaveRequest",
"paramType": "body"
}
]
}
]
},
{
"path": "/rooms/{roomId}/ban",
"operations": [
{
"method": "POST",
"summary": "Ban a user in the room.",
"notes": "This operation can also be done as a PUT by suffixing /{txnId}. The caller must have the required power level to do this operation.",
"type": "void",
"nickname": "ban",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "roomId",
"description": "The room which has the user to ban.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "body",
"description": "The user to ban.",
"required": true,
"type": "BanRequest",
"paramType": "body"
}
]
}
]
},
{
"path": "/rooms/{roomId}/state/m.room.member/{userId}",
"operations": [
{
"method": "PUT",
"summary": "Change the membership state for a user in a room.",
"notes": "Change the membership state for a user in a room.",
"type": "void",
"nickname": "set_membership",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The new membership state",
"required": true,
"type": "Member",
"paramType": "body"
},
{
"name": "userId",
"description": "The user whose membership is being changed.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "roomId",
"description": "The room which has this user.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 400,
"message": "No membership key."
},
{
"code": 400,
"message": "Bad membership value."
},
{
"code": 403,
"message": "When inviting: You are not in the room."
},
{
"code": 403,
"message": "When inviting: <target> is already in the room."
},
{
"code": 403,
"message": "When joining: Cannot force another user to join."
},
{
"code": 403,
"message": "When joining: You are not invited to this room."
}
]
},
{
"method": "GET",
"summary": "Get the membership state of a user in a room.",
"notes": "Get the membership state of a user in a room.",
"type": "Member",
"nickname": "get_membership",
"parameters": [
{
"name": "userId",
"description": "The user whose membership state you want to get.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "roomId",
"description": "The room which has this user.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 404,
"message": "Member not found."
}
]
}
]
},
{
"path": "/join/{roomAliasOrId}",
"operations": [
{
"method": "POST",
"summary": "Join a room via a room alias or room ID.",
"notes": "Join a room via a room alias or room ID.",
"type": "JoinRoomInfo",
"nickname": "join",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "roomAliasOrId",
"description": "The room alias or room ID to join.",
"required": true,
"type": "string",
"paramType": "path"
}
],
"responseMessages": [
{
"code": 400,
"message": "Bad room alias."
}
]
}
]
},
{
"path": "/createRoom",
"operations": [
{
"method": "POST",
"summary": "Create a room.",
"notes": "Create a room.",
"type": "RoomInfo",
"nickname": "create_room",
"consumes": [
"application/json"
],
"parameters": [
{
"name": "body",
"description": "The desired configuration for the room. This operation can also be done as a PUT by suffixing /{txnId}.",
"required": true,
"type": "RoomConfig",
"paramType": "body"
}
],
"responseMessages": [
{
"code": 400,
"message": "Body must be JSON."
},
{
"code": 400,
"message": "Room alias already taken."
}
]
}
]
},
{
"path": "/rooms/{roomId}/messages",
"operations": [
{
"method": "GET",
"summary": "Get a list of messages for this room.",
"notes": "Get a list of messages for this room.",
"type": "MessagePaginationChunk",
"nickname": "get_messages",
"parameters": [
{
"name": "roomId",
"description": "The room to get messages in.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "from",
"description": "The token to start getting results from.",
"required": false,
"type": "string",
"paramType": "query"
},
{
"name": "to",
"description": "The token to stop getting results at.",
"required": false,
"type": "string",
"paramType": "query"
},
{
"name": "limit",
"description": "The maximum number of messages to return.",
"required": false,
"type": "integer",
"paramType": "query"
}
]
}
]
},
{
"path": "/rooms/{roomId}/members",
"operations": [
{
"method": "GET",
"summary": "Get a list of members for this room.",
"notes": "Get a list of members for this room.",
"type": "MemberPaginationChunk",
"nickname": "get_members",
"parameters": [
{
"name": "roomId",
"description": "The room to get a list of members from.",
"required": true,
"type": "string",
"paramType": "path"
},
{
"name": "from",
"description": "The token to start getting results from.",
"required": false,
"type": "string",
"paramType": "query"
},
{
"name": "to",
"description": "The token to stop getting results at.",
"required": false,
"type": "string",
"paramType": "query"
},
{
"name": "limit",
"description": "The maximum number of members to return.",
"required": false,
"type": "integer",
"paramType": "query"
}
]
}
]
},
{
"path": "/rooms/{roomId}/state",
"operations": [
{
"method": "GET",
"summary": "Get a list of all the current state events for this room.",
"notes": "This is equivalent to the events returned under the 'state' key for this room in /initialSync.",
"type": "array",
"items": {
"$ref": "Event"
},
"nickname": "get_state_events",
"parameters": [
{
"name": "roomId",
"description": "The room to get a list of current state events from.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
},
{
"path": "/rooms/{roomId}/initialSync",
"operations": [
{
"method": "GET",
"summary": "Get all the current information for this room, including messages and state events.",
"notes": "NOT YET IMPLEMENTED.",
"type": "InitialSyncRoomData",
"nickname": "get_room_sync_data",
"parameters": [
{
"name": "roomId",
"description": "The room to get information for.",
"required": true,
"type": "string",
"paramType": "path"
}
]
}
]
}
],
"models": {
"Topic": {
"id": "Topic",
"properties": {
"topic": {
"type": "string",
"description": "The topic text"
}
}
},
"RoomName": {
"id": "RoomName",
"properties": {
"name": {
"type": "string",
"description": "The human-readable name for the room. Can contain spaces."
}
}
},
"Message": {
"id": "Message",
"properties": {
"msgtype": {
"type": "string",
"description": "The type of message being sent, e.g. \"m.text\"",
"required": true
},
"_msgtype_defined_keys_": {
"description": "Additional keys as defined by the msgtype, e.g. \"body\""
}
}
},
"Feedback": {
"id": "Feedback",
"properties": {
"target_event_id": {
"type": "string",
"description": "The event ID being acknowledged.",
"required": true
},
"type": {
"type": "string",
"description": "The type of feedback. Either 'delivered' or 'read'.",
"required": true
}
}
},
"Member": {
"id": "Member",
"properties": {
"membership": {
"type": "string",
"description": "Enum: The membership state of this member.",
"enum": [
"invite",
"join",
"leave",
"ban"
]
}
}
},
"RoomInfo": {
"id": "RoomInfo",
"properties": {
"room_id": {
"type": "string",
"description": "The allocated room ID.",
"required": true
},
"room_alias": {
"type": "string",
"description": "The alias for the room.",
"required": false
}
}
},
"JoinRoomInfo": {
"id": "JoinRoomInfo",
"properties": {
"room_id": {
"type": "string",
"description": "The room ID joined, if joined via a room alias only.",
"required": true
}
}
},
"RoomConfig": {
"id": "RoomConfig",
"properties": {
"visibility": {
"type": "string",
"description": "Enum: The room visibility.",
"required": false,
"enum": [
"public",
"private"
]
},
"room_alias_name": {
"type": "string",
"description": "The alias to give the new room.",
"required": false
},
"name": {
"type": "string",
"description": "Sets the name of the room. Send a m.room.name event after creating the room with the 'name' key specified.",
"required": false
},
"topic": {
"type": "string",
"description": "Sets the topic for the room. Send a m.room.topic event after creating the room with the 'topic' key specified.",
"required": false
}
}
},
"PaginationRequest": {
"id": "PaginationRequest",
"properties": {
"from": {
"type": "string",
"description": "The token to start getting results from."
},
"to": {
"type": "string",
"description": "The token to stop getting results at."
},
"limit": {
"type": "integer",
"description": "The maximum number of entries to return."
}
}
},
"PaginationChunk": {
"id": "PaginationChunk",
"properties": {
"start": {
"type": "string",
"description": "A token which correlates to the first value in \"chunk\" for paginating.",
"required": true
},
"end": {
"type": "string",
"description": "A token which correlates to the last value in \"chunk\" for paginating.",
"required": true
}
},
"subTypes": [
"MessagePaginationChunk"
]
},
"MessagePaginationChunk": {
"id": "MessagePaginationChunk",
"properties": {
"chunk": {
"type": "array",
"description": "A list of message events.",
"items": {
"$ref": "MessageEvent"
},
"required": true
}
}
},
"MemberPaginationChunk": {
"id": "MemberPaginationChunk",
"properties": {
"chunk": {
"type": "array",
"description": "A list of member events.",
"items": {
"$ref": "MemberEvent"
},
"required": true
}
}
},
"Event": {
"id": "Event",
"properties": {
"event_id": {
"type": "string",
"description": "An ID which uniquely identifies this event. This is automatically set by the server.",
"required": true
},
"room_id": {
"type": "string",
"description": "The room in which this event occurred. This is automatically set by the server.",
"required": true
},
"type": {
"type": "string",
"description": "The event type.",
"required": true
}
},
"subTypes": [
"MessageEvent"
]
},
"EventId": {
"id": "EventId",
"properties": {
"event_id": {
"type": "string",
"description": "The allocated event ID for this event.",
"required": true
}
}
},
"EventContent": {
"id": "EventContent",
"properties": {
"__event_content_keys__": {
"type": "string",
"description": "Event-specific content keys and values.",
"required": false
}
}
},
"MessageEvent": {
"id": "MessageEvent",
"properties": {
"content": {
"type": "Message"
}
}
},
"MemberEvent": {
"id": "MemberEvent",
"properties": {
"content": {
"type": "Member"
}
}
},
"InviteRequest": {
"id": "InviteRequest",
"properties": {
"user_id": {
"type": "string",
"description": "The fully-qualified user ID."
}
}
},
"JoinRequest": {
"id": "JoinRequest",
"properties": {}
},
"LeaveRequest": {
"id": "LeaveRequest",
"properties": {}
},
"BanRequest": {
"id": "BanRequest",
"properties": {
"user_id": {
"type": "string",
"description": "The fully-qualified user ID."
},
"reason": {
"type": "string",
"description": "The reason for the ban."
}
}
},
"InitialSyncRoomData": {
"id": "InitialSyncRoomData",
"properties": {
"membership": {
"type": "string",
"description": "This user's membership state in this room.",
"required": true
},
"room_id": {
"type": "string",
"description": "The ID of this room.",
"required": true
},
"messages": {
"type": "MessagePaginationChunk",
"description": "The most recent messages for this room, governed by the limit parameter.",
"required": false
},
"state": {
"type": "array",
"description": "A list of state events representing the current state of the room.",
"required": false,
"items": {
"$ref": "Event"
}
}
}
}
}
}

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Definitions
===========
# *Event* -- A JSON object that represents a piece of information to be
distributed to the the room. The object includes a payload and metadata,
including a `type` used to indicate what the payload is for and how to process
them. It also includes one or more references to previous events.
# *Event graph* -- Events and their references to previous events form a
directed acyclic graph. All events must be a descendant of the first event in a
room, except for a few special circumstances.
# *State event* -- A state event is an event that has a non-null string valued
`state_key` field. It may also include a `prev_state` key referencing exactly
one state event with the same type and state key, in the same event graph.
# *State tree* -- A state tree is a tree formed by a collection of state events
that have the same type and state key (all in the same event graph.
# *State resolution algorithm* -- An algorithm that takes a state tree as input
and selects a single leaf node.
# *Current state event* -- The leaf node of a given state tree that has been
selected by the state resolution algorithm.
# *Room state* / *state dictionary* / *current state* -- A mapping of the pair
(event type, state key) to the current state event for that pair.
# *Room* -- An event graph and its associated state dictionary. An event is in
the room if it is part of the event graph.
# *Topological ordering* -- The partial ordering that can be extracted from the
event graph due to it being a DAG.
(The state definitions are purposely slightly ill-defined, since if we allow
deleting events we might end up with multiple state trees for a given event
type and state key pair.)
Federation specific
-------------------
# *(Persistent data unit) PDU* -- An encoding of an event for distribution of
the server to server protocol.
# *(Ephemeral data unit) EDU* -- A piece of information that is sent between
servers and doesn't encode an event.
Client specific
---------------
# *Child events* -- Events that reference a single event in the same room
independently of the event graph.
# *Collapsed events* -- Events that have all child events that reference it
included in the JSON object.

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This document outlines the format for human-readable IDs within matrix.
Overview
--------
UTF-8 is quickly becoming the standard character encoding set on the web. As
such, Matrix requires that all strings MUST be encoded as UTF-8. However,
using Unicode as the character set for human-readable IDs is troublesome. There
are many different characters which appear identical to each other, but would
identify different users. In addition, there are non-printable characters which
cannot be rendered by the end-user. This opens up a security vulnerability with
phishing/spoofing of IDs, commonly known as a homograph attack.
Web browers encountered this problem when International Domain Names were
introduced. A variety of checks were put in place in order to protect users. If
an address failed the check, the raw punycode would be displayed to disambiguate
the address. Similar checks are performed by home servers in Matrix. However,
Matrix does not use punycode representations, and so does not show raw punycode
on a failed check. Instead, home servers must outright reject these misleading
IDs.
Types of human-readable IDs
---------------------------
There are two main human-readable IDs in question:
- Room aliases
- User IDs
Room aliases look like ``#localpart:domain``. These aliases point to opaque
non human-readable room IDs. These pointers can change, so there is already an
issue present with the same ID pointing to a different destination at a later
date.
User IDs look like ``@localpart:domain``. These represent actual end-users, and
unlike room aliases, there is no layer of indirection. This presents a much
greater concern with homograph attacks.
Checks
------
- Similar to web browsers.
- blacklisted chars (e.g. non-printable characters)
- mix of language sets from 'preferred' language not allowed.
- Language sets from CLDR dataset.
- Treated in segments (localpart, domain)
- Additional restrictions for ease of processing IDs.
- Room alias localparts MUST NOT have ``#`` or ``:``.
- User ID localparts MUST NOT have ``@`` or ``:``.
Rejecting
---------
- Home servers MUST reject room aliases which do not pass the check, both on
GETs and PUTs.
- Home servers MUST reject user ID localparts which do not pass the check, both
on creation and on events.
- Any home server whose domain does not pass this check, MUST use their punycode
domain name instead of the IDN, to prevent other home servers rejecting you.
- Error code is ``M_FAILED_HUMAN_ID_CHECK``. (generic enough for both failing
due to homograph attacks, and failing due to including ``:`` s, etc)
- Error message MAY go into further information about which characters were
rejected and why.
- Error message SHOULD contain a ``failed_keys`` key which contains an array
of strings which represent the keys which failed the check e.g::
failed_keys: [ user_id, room_alias ]
Other considerations
--------------------
- Basic security: Informational key on the event attached by HS to say "unsafe
ID". Problem: clients can just ignore it, and since it will appear only very
rarely, easy to forget when implementing clients.
- Moderate security: Requires client handshake. Forces clients to implement
a check, else they cannot communicate with the misleading ID. However, this is
extra overhead in both client implementations and round-trips.
- High security: Outright rejection of the ID at the point of creation /
receiving event. Point of creation rejection is preferable to avoid the ID
entering the system in the first place. However, malicious HSes can just allow
the ID. Hence, other home servers must reject them if they see them in events.
Client never sees the problem ID, provided the HS is correctly implemented.
- High security decided; client doesn't need to worry about it, no additional
protocol complexity aside from rejection of an event.

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===================
Documentation Style
===================
A brief single sentence to describe what this file contains; in this case a
description of the style to write documentation in.
Sections
========
Each section should be separated from the others by two blank lines. Headings
should be underlined using a row of equals signs (===). Paragraphs should be
separated by a single blank line, and wrap to no further than 80 columns.
[[TODO(username): if you want to leave some unanswered questions, notes for
further consideration, or other kinds of comment, use a TODO section. Make sure
to notate it with your name so we know who to ask about it!]]
Subsections
-----------
If required, subsections can use a row of dashes to underline their header. A
single blank line between subsections of a single section.
Bullet Lists
============
* Bullet lists can use asterisks with a single space either side.
* Another blank line between list elements.
Definition Lists
================
Terms:
Start in the first column, ending with a colon
Definitions:
Take a two space indent, following immediately from the term without a blank
line before it, but having a blank line afterwards.

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Matrix Specification NOTHAVEs
=============================
This document contains sections of the main specification that have been
temporarily removed, because they specify intentions or aspirations that have
in no way yet been implemented. Rather than outright-deleting them, they have
been moved here so as to stand as an initial version for such time as they
become extant.
Presence
========
Idle Time
---------
As well as the basic ``presence`` field, the presence information can also show
a sense of an "idle timer". This should be maintained individually by the
user's clients, and the home server can take the highest reported time as that
to report. When a user is offline, the home server can still report when the
user was last seen online.
Device Type
-----------
Client devices that may limit the user experience somewhat (such as "mobile"
devices with limited ability to type on a real keyboard or read large amounts of
text) should report this to the home server, as this is also useful information
to report as "presence" if the user cannot be expected to provide a good typed
response to messages.

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State Resolution
================
This section describes why we need state resolution and how it works.
Motivation
-----------
We want to be able to associate some shared state with rooms, e.g. a room name
or members list. This is done by having a current state dictionary that maps
from the pair event type and state key to an event.
However, since the servers involved in the room are distributed we need to be
able to handle the case when two (or more) servers try and update the state at
the same time. This is done via the state resolution algorithm.
State Tree
------------
State events contain a reference to the state it is trying to replace. These
relations form a tree where the current state is one of the leaf nodes.
Note that state events are events, and so are part of the PDU graph. Thus we
can be sure that (modulo the internet being particularly broken) we will see
all state events eventually.
Algorithm requirements
----------------------
We want the algorithm to have the following properties:
- Since we aren't guaranteed what order we receive state events in, except that
we see parents before children, the state resolution algorithm must not depend
on the order and must always come to the same result.
- If we receive a state event whose parent is the current state, then the
algorithm will select it.
- The algorithm does not depend on internal state, ensuring all servers should
come to the same decision.
These three properties mean it is enough to keep track of the current state and
compare it with any new proposed state, rather than having to keep track of all
the leafs of the tree and recomputing across the entire state tree.
Current Implementation
----------------------
The current implementation works as follows: Upon receipt of a newly proposed
state change we first find the common ancestor. Then we take the maximum
across each branch of the users' power levels, if one is higher then it is
selected as the current state. Otherwise, we check if one chain is longer than
the other, if so we choose that one. If that also fails, then we concatenate
all the pdu ids and take a SHA1 hash and compare them to select a common
ancestor.