ruwuma/crates/ruma-client-api/src/backup/get_latest_backup_info.rs

116 lines
3.4 KiB
Rust

//! `GET /_matrix/client/*/room_keys/version`
//!
//! Get information about the latest backup.
pub mod v3 {
//! `/v3/` ([spec])
//!
//! [spec]: https://spec.matrix.org/latest/client-server-api/#get_matrixclientv3room_keysversion
use js_int::UInt;
use ruma_common::{
api::{request, response, Metadata},
metadata,
serde::Raw,
};
use serde::{ser, Deserialize, Deserializer, Serialize};
use serde_json::value::to_raw_value as to_raw_json_value;
use crate::backup::{
get_backup_info::v3::{AlgorithmWithData, RefResponseBodyRepr, ResponseBodyRepr},
BackupAlgorithm,
};
const METADATA: Metadata = metadata! {
method: GET,
rate_limited: true,
authentication: AccessToken,
history: {
unstable => "/_matrix/client/unstable/room_keys/version",
1.0 => "/_matrix/client/r0/room_keys/version",
1.1 => "/_matrix/client/v3/room_keys/version",
}
};
/// Request type for the `get_latest_backup_info` endpoint.
#[request(error = crate::Error)]
#[derive(Default)]
pub struct Request {}
/// Response type for the `get_latest_backup_info` endpoint.
#[response(error = crate::Error)]
#[ruma_api(manual_body_serde)]
pub struct Response {
/// The algorithm used for storing backups.
pub algorithm: Raw<BackupAlgorithm>,
/// The number of keys stored in the backup.
pub count: UInt,
/// An opaque string representing stored keys in the backup.
///
/// Clients can compare it with the etag value they received in the request of their last
/// key storage request.
pub etag: String,
/// The backup version.
pub version: String,
}
impl Request {
/// Creates an empty `Request`.
pub fn new() -> Self {
Self {}
}
}
impl Response {
/// Creates a new `Response` with the given algorithm, key count, etag and version.
pub fn new(
algorithm: Raw<BackupAlgorithm>,
count: UInt,
etag: String,
version: String,
) -> Self {
Self { algorithm, count, etag, version }
}
}
impl<'de> Deserialize<'de> for ResponseBody {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let ResponseBodyRepr { algorithm, auth_data, count, etag, version } =
ResponseBodyRepr::deserialize(deserializer)?;
let algorithm = Raw::from_json(
to_raw_json_value(&AlgorithmWithData { algorithm, auth_data }).unwrap(),
);
Ok(Self { algorithm, count, etag, version })
}
}
impl Serialize for ResponseBody {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
let ResponseBody { algorithm, count, etag, version } = self;
let AlgorithmWithData { algorithm, auth_data } =
algorithm.deserialize_as().map_err(ser::Error::custom)?;
let repr = RefResponseBodyRepr {
algorithm: &algorithm,
auth_data: &auth_data,
count: *count,
etag,
version,
};
repr.serialize(serializer)
}
}
}