2d9aab2e79
Co-authored-by: strawberry <strawberry@puppygock.gay> Signed-off-by: strawberry <strawberry@puppygock.gay>
76 lines
2.2 KiB
Rust
76 lines
2.2 KiB
Rust
use axum::extract::State;
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use conduit::{Error, Result};
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use ruma::{
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api::{client::error::ErrorKind, federation::membership::prepare_leave_event},
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events::{
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room::member::{MembershipState, RoomMemberEventContent},
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TimelineEventType,
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},
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};
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use serde_json::value::to_raw_value;
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use super::make_join::maybe_strip_event_id;
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use crate::{service::pdu::PduBuilder, Ruma};
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/// # `PUT /_matrix/federation/v1/make_leave/{roomId}/{eventId}`
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///
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/// Creates a leave template.
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pub(crate) async fn create_leave_event_template_route(
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State(services): State<crate::State>, body: Ruma<prepare_leave_event::v1::Request>,
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) -> Result<prepare_leave_event::v1::Response> {
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if !services.rooms.metadata.exists(&body.room_id)? {
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return Err(Error::BadRequest(ErrorKind::NotFound, "Room is unknown to this server."));
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}
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let origin = body.origin.as_ref().expect("server is authenticated");
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if body.user_id.server_name() != origin {
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return Err(Error::BadRequest(
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ErrorKind::InvalidParam,
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"Not allowed to leave on behalf of another server/user",
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));
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}
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// ACL check origin
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services
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.rooms
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.event_handler
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.acl_check(origin, &body.room_id)?;
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let room_version_id = services.rooms.state.get_room_version(&body.room_id)?;
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let state_lock = services.rooms.state.mutex.lock(&body.room_id).await;
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let content = to_raw_value(&RoomMemberEventContent {
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avatar_url: None,
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blurhash: None,
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displayname: None,
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is_direct: None,
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membership: MembershipState::Leave,
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third_party_invite: None,
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reason: None,
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join_authorized_via_users_server: None,
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})
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.expect("member event is valid value");
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let (_pdu, mut pdu_json) = services.rooms.timeline.create_hash_and_sign_event(
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PduBuilder {
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event_type: TimelineEventType::RoomMember,
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content,
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unsigned: None,
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state_key: Some(body.user_id.to_string()),
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redacts: None,
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timestamp: None,
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},
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&body.user_id,
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&body.room_id,
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&state_lock,
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)?;
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drop(state_lock);
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// room v3 and above removed the "event_id" field from remote PDU format
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maybe_strip_event_id(&mut pdu_json, &room_version_id)?;
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Ok(prepare_leave_event::v1::Response {
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room_version: Some(room_version_id),
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event: to_raw_value(&pdu_json).expect("CanonicalJson can be serialized to JSON"),
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})
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}
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