ruwuma/src/room_key_request.rs
2020-05-02 14:15:13 +02:00

77 lines
2.2 KiB
Rust

//! Types for the *m.room_key_request* event.
use ruma_events_macros::ruma_event;
use ruma_identifiers::{DeviceId, RoomId};
use serde::{Deserialize, Serialize};
use super::Algorithm;
ruma_event! {
/// This event type is used to request keys for end-to-end encryption.
///
/// It is sent as an unencrypted to-device event.
RoomKeyRequestEvent {
kind: Event,
event_type: "m.room_key_request",
content: {
/// Whether this is a new key request or a cancellation of a previous request.
pub action: Action,
/// Information about the requested key.
///
/// Required when action is `request`.
pub body: Option<RequestedKeyInfo>,
/// ID of the device requesting the key.
pub requesting_device_id: DeviceId,
/// A random string uniquely identifying the request for a key.
///
/// If the key is requested multiple times, it should be reused. It should also reused
/// in order to cancel a request.
pub request_id: String,
},
}
}
/// A new key request or a cancellation of a previous request.
#[derive(Clone, Copy, Deserialize, Debug, PartialEq, Serialize)]
pub enum Action {
/// Request a key.
#[serde(rename = "request")]
Request,
/// Cancel a request for a key.
#[serde(rename = "request_cancellation")]
CancelRequest,
/// Additional variants may be added in the future and will not be considered breaking changes
/// to ruma-events.
#[doc(hidden)]
#[serde(skip)]
__Nonexhaustive,
}
impl_enum! {
Action {
Request => "request",
CancelRequest => "cancel_request",
}
}
/// Information about a requested key.
#[derive(Clone, Debug, Deserialize, Serialize)]
pub struct RequestedKeyInfo {
/// The encryption algorithm the requested key in this event is to be used with.
pub algorithm: Algorithm,
/// The room where the key is used.
pub room_id: RoomId,
/// The Curve25519 key of the device which initiated the session originally.
pub sender_key: String,
/// The ID of the session that the key is for.
pub session_id: String,
}