| User Id (no `action` in URI):<br/>`matrix:user/her:example.org` | _Outside the room context_: show user profile<br/>_Inside the room context:_ mention the user in the current room (client-local operation) | No default non-interactive operation<br/>`GET /profile/@her:example.org/display_name`<br/>`GET /profile/@her:example.org/avatar_url` |
| User Id (`action=chat`):<br/>`matrix:user/her:example.org?action=chat` | Open a direct chat with the user (see the next column on identifying the room) | If [canonical direct chats](https://github.com/matrix-org/matrix-doc/pull/2199) are supported: `GET /_matrix/client/r0/user/@me:example.org/dm?involves=@her:example.org`<br/>Without canonical direct chats:<br/>1. `GET /user/@me:example.org/account_data/m.direct`<br/>2. Find the room id for `@her:example.org` in the event content<br/>3. if found, return this room id; if not, `POST /createRoom` with `"is_direct": true` and return id of the created room |
| Room (no `action` in URI):<br/>`matrix:roomid/rid:example.org`<br/>`matrix:room/us:example.org` | Attempt to "open" (usually: display the timeline at the latest or last remembered position) the room | No default non-interactive operation<br/>`GET /rooms/!rid:example.org/...`<br/>the respective room section of `GET /sync` |
| Room (no `action` in URI):<br/>`matrix:roomid/rid:example.org`<br/>`matrix:room/us:example.org` | Attempt to "open" (usually: display the timeline at the latest or last remembered position) the room | No default non-interactive operation<br/>API: Find the respective room in the local `/sync` cache or<br/>`GET /rooms/!rid:example.org/...`<br/> |
| Room (`action=join`):<br/>`matrix:roomid/rid:example.org?action=join&via=example2.org`<br/>`matrix:room/us:example.org?action=join` | Attempt to join the room | `POST /join/!rid:example.org?server_name=example2.org`<br/>`POST /join/#us:example.org` |
| Event:<br/>`matrix:room/us:example.org/event/lol823y4bcp3qo4`<br/>`matrix:roomid/rid:example.org/event/lol823y4bcp3qo4?via=example2.org` | 1. For room aliases, resolve an alias to a room id (HOW?)<br/>2. Attempt to retrieve (see the next column) and display the event;<br/>3. If the event could not be retrieved due to access denial and the current user is not a member of the room, the client MAY offer the user to join the room and try to open the event again | `GET `<br/>`GET /rooms/!rid:example.org/event/lol823y4bcp3qo4?server_name=example2.org` |
* Event ID (as used in
[room version 3](https://matrix.org/docs/spec/rooms/v3) and later):
- URI example (aka "event permalink"):
`matrix:room/us:example.org/event/UnpaddedBase64` or
1. For room aliases, resolve an alias to a room id (see above)
1. If the event is in the room that the user has joined, retrieve
the event contents (`GET /rooms/!rid:example.org/event/UnpaddedBase64` or
`GET /rooms/!rid:example.org/context/UnpaddedBase64`) and display them
to the user
1. Otherwise try to retrieve the event in the same way but in case of
access failure the client MAY offer the user to join the room; if
the user agrees and joining succeeds, retry the step above.
| Event:<br/>`matrix:room/us:example.org/event/lol823y4bcp3qo4`<br/>`matrix:roomid/rid:example.org/event/lol823y4bcp3qo4?via=example2.org` | 1. For room aliases, resolve an alias to a room id (HOW?)<br/>2. Attempt to retrieve (see the next column) and display the event;<br/>3. If the event could not be retrieved due to access denial and the current user is not a member of the room, the client MAY offer the user to join the room and try to open the event again | Non-interactive operation: return event or event content, depending on context<br/>API: find the event in the local `/sync` cache or<br/>`GET /directory/room/%23us:example.org` (to resolve alias to id)<br/>`GET /rooms/!rid:example.org/event/lol823y4bcp3qo4?server_name=example2.org`<br/> |
Kitsune Ral
4 years ago