From f500dd627a0f4b789216e5153972b6ece58f1761 Mon Sep 17 00:00:00 2001 From: Kegan Dougal Date: Mon, 1 Sep 2014 14:44:18 +0100 Subject: [PATCH] Fleshed out joining/leaving rooms. Added M_LIMIT_EXCEEDED standard error code for rate limited requests. --- docs/specification.rst | 76 +++++++++++++++++++++++++++++++++++------- 1 file changed, 64 insertions(+), 12 deletions(-) diff --git a/docs/specification.rst b/docs/specification.rst index 3288aac01..b61994ff3 100644 --- a/docs/specification.rst +++ b/docs/specification.rst @@ -168,6 +168,10 @@ Some standard error codes are below: :``M_NOT_FOUND``: No resource was found for this request. +:``M_LIMIT_EXCEEDED``: + Too many requests have been sent in a short period of time. Wait a while then + try again. + Some requests have unique error codes: :``M_USER_IN_USE``: @@ -273,6 +277,7 @@ Example:: } - TODO: This creates a room creation event which serves as the root of the PDU graph for this room. +- TODO: Keys for speccing a room name / room topic / invite these users? Modifying aliases ----------------- @@ -284,12 +289,37 @@ Permissions Joining rooms ------------- -- What is joining? What permissions / access does it give you? How does this affect /initialSync? -- API to hit (``/join/$alias or id``). Explain how alias joining works (auto-resolving). See "Room events" for more info. -- What does the home server have to do? -- Rooms that DON'T need an invite to join. This follows through onto inviting users section. -- Outline invite join dance? +- TODO: What does the home server have to do to join a user to a room? +Users need to join a room in order to send and receive events in that room. A user can join a +room by making a request to ``/join/`` with:: + + {} + +Alternatively, a user can make a request to ``/rooms//join`` with the same request content. +This is only provided for symmetry with the other membership APIs: ``/rooms//invite`` and +``/rooms//leave``. If a room alias was specified, it will be automatically resolved to +a room ID, which will then be joined. The room ID that was joined will be returned in response:: + + { + "room_id": "!roomid:domain" + } + +The membership state for the joining user can also be modified directly to be ``join`` +by sending the following request to +``/rooms//state/m.room.member/``:: + + { + "membership": "join" + } + +See the "Room events" section for more information on ``m.room.member``. + +After the user has joined a room, they will receive subsequent events in that room. This room +will now appear as an entry in the ``/initialSync`` API. + +Some rooms enforce that a user is *invited* to a room before they can join that room. Other +rooms will allow anyone to join the room even if they have not received an invite. Inviting users -------------- @@ -331,12 +361,33 @@ See the "Room events" section for more information on ``m.room.member``. Leaving rooms ------------- -- API to hit (``$roomid/leave``). See "Room events" for more info. -- Must be joined to leave. How does this affect /initialSync? -- Not ever being in a room is NOT equivalent to have left it (due to membership: leave). -- Need to be re-invited if invite-only room. -- If no more HSes in room, can delete room? -- Is there a dance? +A user can leave a room to stop receiving events for that room. A user must have +joined the room before they are eligible to leave the room. If the room is an +"invite-only" room, they will need to be re-invited before they can re-join the room. +To leave a room, a request should be made to ``/rooms//leave`` with:: + + {} + +Alternatively, the membership state for this user in this room can be modified +directly by sending the following request to +``/rooms//state/m.room.member/``:: + + { + "membership": "leave" + } + +See the "Room events" section for more information on ``m.room.member``. + +Once a user has left a room, that room will no longer appear on the ``/initialSync`` +API. Be aware that leaving a room is not equivalent to have never been +in that room. A user who has previously left a room still maintains some residual state in +that room. Their membership state will be marked as ``leave``. This contrasts with +a user who has *never been invited or joined to that room* who will not have any +membership state for that room. + +If all members in a room leave, that room becomes eligible for deletion. + - TODO: Grace period before deletion? + - TODO: Under what conditions should a room NOT be purged? Events in a room ---------------- @@ -350,7 +401,7 @@ Events in a room Syncing a room -------------- -- Single room initial sync. API to hit. Why it might be used (lazy loading) +- Single room initial sync. ``rooms//initialSync`` API to hit. Why it might be used (lazy loading) Getting grouped state events ---------------------------- @@ -378,6 +429,7 @@ Non-state messages ------------------ - m.room.message - m.room.message.feedback (and compressed format) +- voip? What are they, when are they used, what do they contain, how should they be used