67 lines
2.0 KiB
Rust
67 lines
2.0 KiB
Rust
//! Types for the *m.room_key_request* event.
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use ruma_events_macros::ruma_event;
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use ruma_identifiers::{DeviceId, RoomId};
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use serde::{Deserialize, Serialize};
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use strum::{Display, EnumString};
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use super::Algorithm;
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ruma_event! {
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/// This event type is used to request keys for end-to-end encryption.
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///
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/// It is sent as an unencrypted to-device event.
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RoomKeyRequestEvent {
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kind: Event,
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event_type: "m.room_key_request",
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content: {
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/// Whether this is a new key request or a cancellation of a previous request.
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pub action: Action,
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/// Information about the requested key.
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///
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/// Required when action is `request`.
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pub body: Option<RequestedKeyInfo>,
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/// ID of the device requesting the key.
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pub requesting_device_id: DeviceId,
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/// A random string uniquely identifying the request for a key.
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///
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/// If the key is requested multiple times, it should be reused. It should also reused
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/// in order to cancel a request.
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pub request_id: String,
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},
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}
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}
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/// A new key request or a cancellation of a previous request.
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#[derive(Clone, Copy, Debug, PartialEq, Display, EnumString, Deserialize, Serialize)]
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#[serde(rename_all = "snake_case")]
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#[strum(serialize_all = "snake_case")]
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pub enum Action {
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/// Request a key.
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Request,
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/// Cancel a request for a key.
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#[serde(rename = "request_cancellation")]
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#[strum(serialize = "request_cancellation")]
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CancelRequest,
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}
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/// Information about a requested key.
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#[derive(Clone, Debug, Deserialize, Serialize)]
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pub struct RequestedKeyInfo {
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/// The encryption algorithm the requested key in this event is to be used with.
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pub algorithm: Algorithm,
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/// The room where the key is used.
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pub room_id: RoomId,
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/// The Curve25519 key of the device which initiated the session originally.
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pub sender_key: String,
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/// The ID of the session that the key is for.
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pub session_id: String,
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}
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