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by Promarged
2954 days ago
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> In fact, there is no way to just 'send a user a message' in Matrix: instead, you can only synchronise your copy of a room's state and history with someone else's copy of it. I've read in a different thread that sending a message in Matrix can be easily achieved with a simple curl. Is it true? Synchronizing my copy of room state doesn't sound so simple. Maybe it's optional or I misunderstood the "message via curl" post? |
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If you want to send someone a message in Matrix it's indeed a trivial HTTP PUT; something like:
curl -XPOST -d '{"msgtype":"m.text", "body":"hello"}' 'https://example.com/_matrix/client/api/r0/rooms/!CvcvRuDYDzT...
However, what's happening under the hood is that you're not saying "Hi Bob, here's a message from Alice" - instead, you're saying "Hi everyone, I've added a message to the history of this room. Please can everyone sync their copy of the room with mine?". In other words, it's talking about the way the federation (server<->server) protocol is architected.
There literally isn't a way in the federation protocol to say "please send a message from Alice to Bob"; instead the way you do it is to say "create a room and invite Bob to it (if you don't have one already); add a message to the room's history, and once the history has synchronised with Bob's server he'll have a copy of the message too".