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matrix-spec-proposals/supporting-docs/examples/application-services.rst

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Application Services
====================
This file contains examples of some application service
IRC Bridge
----------
Pre-conditions:
- Server admin stores the AS token "T_a" on the homeserver.
- Homeserver has a token "T_h".
- Homeserver has the domain "hsdomain.com"
1. Application service registration
::
AS -> HS: Registers itself with the homeserver
POST /register
{
url: "https://someapp.com/matrix",
as_token: "T_a",
namespaces: {
users: [
{
"exclusive": true,
"regex": "@irc\.freenode\.net/.*"
}
],
aliases: [
{
"exclusive": true,
"regex": "#irc\.freenode\.net/.*"
}
]
}
}
Returns 200 OK:
{
hs_token: "T_h"
}
2. IRC user "Bob" says "hello?" on "#matrix" at timestamp 1421416883133:
::
- AS stores message as potential scrollback.
- Nothing happens as no Matrix users are in the room.
3. Matrix user "@alice:hsdomain.com" wants to join "#matrix":
::
User -> HS: Request to join "#irc.freenode.net/#matrix:hsdomain.com"
HS -> AS: Room Query "#irc.freenode.net/#matrix:hsdomain.com"
GET /rooms/%23irc.freenode.net%2F%23matrix%3Ahsdomain.com?access_token=T_h
[Starts blocking]
AS -> HS: Creates room. Gets room ID "!aasaasasa:hsdomain.com".
AS -> HS: Sets room name to "#matrix".
AS -> HS: Sends message as ""@irc.freenode.net/Bob:hsdomain.com"
PUT /rooms/%21aasaasasa%3Ahsdomain.com/send/m.room.message
?access_token=T_a
&user_id=%40irc.freenode.net%2FBob%3Ahsdomain.com
&ts=1421416883133
{
body: "hello?"
msgtype: "m.text"
}
HS -> AS: User Query "@irc.freenode.net/Bob:hsdomain.com"
GET /users/%40irc.freenode.net%2FBob%3Ahsdomain.com?access_token=T_h
[Starts blocking]
AS -> HS: Creates user using CS API extension.
POST /register?access_token=T_a
{
type: "m.login.application_service",
user: "irc.freenode.net/Bob"
}
AS -> HS: Set user display name to "Bob".
[Finishes blocking]
[Finished blocking]
- HS sends room information back to client.
4. @alice:hsdomain.com says "hi!" in this room:
::
User -> HS: Send message "hi!" in room !aasaasasa:hsdomain.com
- HS sends message.
- HS sees the room ID is in the AS namespace and pushes it to the AS.
HS -> AS: Push event
PUT /transactions/1?access_token=T_h
{
events: [
{
content: {
body: "hi!",
msgtype: "m.text"
},
origin_server_ts: <generated by hs>,
user_id: "@alice:hsdomain.com",
room_id: "!aasaasasa:hsdomain.com",
type: "m.room.message"
}
]
}
- AS passes this through to IRC.
5. IRC user "Bob" says "what's up?" on "#matrix" at timestamp 1421418084816:
::
IRC -> AS: "what's up?"
AS -> HS: Send message via CS API extension
PUT /rooms/%21aasaasasa%3Ahsdomain.com/send/m.room.message
?access_token=T_a
&user_id=%40irc.freenode.net%2FBob%3Ahsdomain.com
&ts=1421418084816
{
body: "what's up?"
msgtype: "m.text"
}
- HS modifies the user_id and origin_server_ts on the event and sends it.