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// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// Copyright by contributors to this project.
// SPDX-License-Identifier: (Apache-2.0 OR MIT)
use mls_rs_core::identity::IdentityProvider;
use crate::{
crypto::SignaturePublicKey,
extension::ExtensionType,
group::{mls_rules::MlsRules, proposal::ProposalType},
identity::CredentialType,
protocol_version::ProtocolVersion,
tree_kem::Capabilities,
CryptoProvider,
};
pub trait ExternalClientConfig: Send + Sync + Clone {
type IdentityProvider: IdentityProvider + Clone;
type MlsRules: MlsRules + Clone;
type CryptoProvider: CryptoProvider;
fn supported_extensions(&self) -> Vec<ExtensionType>;
fn supported_custom_proposals(&self) -> Vec<ProposalType>;
fn supported_protocol_versions(&self) -> Vec<ProtocolVersion>;
fn identity_provider(&self) -> Self::IdentityProvider;
fn crypto_provider(&self) -> Self::CryptoProvider;
fn external_signing_key(&self, external_key_id: &[u8]) -> Option<SignaturePublicKey>;
fn mls_rules(&self) -> Self::MlsRules;
fn cache_proposals(&self) -> bool;
fn max_epoch_jitter(&self) -> Option<u64> {
None
}
fn capabilities(&self) -> Capabilities {
Capabilities {
protocol_versions: self.supported_protocol_versions(),
cipher_suites: self.crypto_provider().supported_cipher_suites(),
extensions: self.supported_extensions(),
proposals: self.supported_custom_proposals(),
credentials: self.supported_credentials(),
}
}
fn version_supported(&self, version: ProtocolVersion) -> bool {
self.supported_protocol_versions().contains(&version)
}
fn supported_credentials(&self) -> Vec<CredentialType> {
self.identity_provider().supported_types()
}
}