libsignal/swift/Sources/LibSignalClient/zkgroup/CallLinkAuthCredentialResponse.swift

//
// Copyright 2023 Signal Messenger, LLC.
// SPDX-License-Identifier: AGPL-3.0-only
//

import Foundation
import SignalFfi

public class CallLinkAuthCredentialResponse: ByteArray, @unchecked Sendable {
    public required init(contents: Data) throws {
        try super.init(contents, checkValid: signal_call_link_auth_credential_response_check_valid_contents)
    }

    public static func issueCredential(
        userId: Aci,
        redemptionTime: Date,
        params: GenericServerSecretParams
    ) -> CallLinkAuthCredentialResponse {
        return failOnError {
            self.issueCredential(
                userId: userId,
                redemptionTime: redemptionTime,
                params: params,
                randomness: try .generate()
            )
        }
    }

    public static func issueCredential(
        userId: Aci,
        redemptionTime: Date,
        params: GenericServerSecretParams,
        randomness: Randomness
    ) -> CallLinkAuthCredentialResponse {
        return failOnError {
            try withAllBorrowed(userId, params, randomness) { userId, params, randomness in
                try invokeFnReturningVariableLengthSerialized {
                    signal_call_link_auth_credential_response_issue_deterministic(
                        $0,
                        userId,
                        UInt64(redemptionTime.timeIntervalSince1970),
                        params,
                        randomness
                    )
                }
            }
        }
    }

    public func receive(
        userId: Aci,
        redemptionTime: Date,
        params: GenericServerPublicParams
    ) throws -> CallLinkAuthCredential {
        return try withAllBorrowed(self, userId, params) { contents, userId, params in
            try invokeFnReturningVariableLengthSerialized {
                signal_call_link_auth_credential_response_receive(
                    $0,
                    contents,
                    userId,
                    UInt64(redemptionTime.timeIntervalSince1970),
                    params
                )
            }
        }
    }
}