ruwuma/src/room_version.rs

142 lines
4.5 KiB
Rust

use ruma::identifiers::RoomVersionId;
pub enum RoomDisposition {
/// A room version that has a stable specification.
Stable,
/// A room version that is not yet fully specified.
#[allow(dead_code)]
Unstable,
}
pub enum EventFormatVersion {
/// $id:server event id format
V1,
/// MSC1659-style $hash event id format: introduced for room v3
V2,
/// MSC1884-style $hash format: introduced for room v4
V3,
}
pub enum StateResolutionVersion {
/// State resolution for rooms at version 1.
V1,
/// State resolution for room at version 2 or later.
V2,
}
pub struct RoomVersion {
/// The version this room is set to.
pub version: RoomVersionId,
/// The stability of this room.
pub disposition: RoomDisposition,
/// The format of the EventId.
pub event_format: EventFormatVersion,
/// Which state resolution algorithm is used.
pub state_res: StateResolutionVersion,
/// not sure
pub enforce_key_validity: bool,
// bool: before MSC2261/MSC2432, m.room.aliases had special auth rules and redaction rules
pub special_case_aliases_auth: bool,
// Strictly enforce canonicaljson, do not allow:
// * Integers outside the range of [-2 ^ 53 + 1, 2 ^ 53 - 1]
// * Floats
// * NaN, Infinity, -Infinity
pub strict_canonicaljson: bool,
// bool: MSC2209: Check 'notifications' key while verifying
// m.room.power_levels auth rules.
pub limit_notifications_power_levels: bool,
}
impl RoomVersion {
pub fn new(version: &RoomVersionId) -> Self {
match version {
RoomVersionId::Version1 => Self::version_1(),
RoomVersionId::Version2 => Self::version_2(),
RoomVersionId::Version3 => Self::version_3(),
RoomVersionId::Version4 => Self::version_4(),
RoomVersionId::Version5 => Self::version_5(),
RoomVersionId::Version6 => Self::version_6(),
_ => panic!("unspec'ed room version"),
}
}
fn version_1() -> Self {
Self {
version: RoomVersionId::Version1,
disposition: RoomDisposition::Stable,
event_format: EventFormatVersion::V1,
state_res: StateResolutionVersion::V1,
enforce_key_validity: false,
special_case_aliases_auth: true,
strict_canonicaljson: false,
limit_notifications_power_levels: false,
}
}
fn version_2() -> Self {
Self {
version: RoomVersionId::Version2,
disposition: RoomDisposition::Stable,
event_format: EventFormatVersion::V1,
state_res: StateResolutionVersion::V2,
enforce_key_validity: false,
special_case_aliases_auth: true,
strict_canonicaljson: false,
limit_notifications_power_levels: false,
}
}
fn version_3() -> Self {
Self {
version: RoomVersionId::Version3,
disposition: RoomDisposition::Stable,
event_format: EventFormatVersion::V2,
state_res: StateResolutionVersion::V2,
enforce_key_validity: false,
special_case_aliases_auth: true,
strict_canonicaljson: false,
limit_notifications_power_levels: false,
}
}
fn version_4() -> Self {
Self {
version: RoomVersionId::Version4,
disposition: RoomDisposition::Stable,
event_format: EventFormatVersion::V3,
state_res: StateResolutionVersion::V2,
enforce_key_validity: false,
special_case_aliases_auth: true,
strict_canonicaljson: false,
limit_notifications_power_levels: false,
}
}
fn version_5() -> Self {
Self {
version: RoomVersionId::Version5,
disposition: RoomDisposition::Stable,
event_format: EventFormatVersion::V3,
state_res: StateResolutionVersion::V2,
enforce_key_validity: true,
special_case_aliases_auth: true,
strict_canonicaljson: false,
limit_notifications_power_levels: false,
}
}
fn version_6() -> Self {
Self {
version: RoomVersionId::Version6,
disposition: RoomDisposition::Stable,
event_format: EventFormatVersion::V3,
state_res: StateResolutionVersion::V2,
enforce_key_validity: true,
special_case_aliases_auth: false,
strict_canonicaljson: true,
limit_notifications_power_levels: true,
}
}
}