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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftCertificates open source project
//
// Copyright (c) 2022 Apple Inc. and the SwiftCertificates project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftCertificates project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import SwiftASN1
/// ``OCSPTBSRequest`` is defined in ASN.1 as:
/// ```
/// TBSRequest ::= SEQUENCE {
/// version [0] EXPLICIT Version DEFAULT v1,
/// requestorName [1] EXPLICIT GeneralName OPTIONAL,
/// requestList SEQUENCE OF Request,
/// requestExtensions [2] EXPLICIT Extensions OPTIONAL }
///
/// Version ::= INTEGER { v1(0) }
/// ```
struct OCSPTBSRequest: DERImplicitlyTaggable, Hashable {
static var defaultIdentifier: ASN1Identifier {
.sequence
}
var version: OCSPVersion
var requestorName: GeneralName?
var requestList: [OCSPSingleRequest]
var requestExtensions: Certificate.Extensions?
init(
version: OCSPVersion,
requestorName: GeneralName? = nil,
requestList: [OCSPSingleRequest],
requestExtensions: Certificate.Extensions? = nil
) {
self.version = version
self.requestorName = requestorName
self.requestList = requestList
self.requestExtensions = requestExtensions
}
init(derEncoded rootNode: ASN1Node, withIdentifier identifier: ASN1Identifier) throws {
self = try DER.sequence(rootNode, identifier: identifier) { nodes in
let version = try DER.decodeDefaultExplicitlyTagged(
&nodes,
tagNumber: 0,
tagClass: .contextSpecific,
defaultValue: Int(0)
)
let requestorName = try DER.optionalExplicitlyTagged(&nodes, tagNumber: 1, tagClass: .contextSpecific) {
try GeneralName(derEncoded: $0)
}
let requestList = try DER.sequence(of: OCSPSingleRequest.self, identifier: .sequence, nodes: &nodes)
let extensions = try DER.optionalExplicitlyTagged(&nodes, tagNumber: 2, tagClass: .contextSpecific) {
try DER.sequence(of: Certificate.Extension.self, identifier: .sequence, rootNode: $0)
}
return .init(
version: .init(rawValue: version),
requestorName: requestorName,
requestList: requestList,
requestExtensions: try extensions.map { try .init($0) }
)
}
}
func serialize(into coder: inout DER.Serializer, withIdentifier identifier: ASN1Identifier) throws {
try coder.appendConstructedNode(identifier: identifier) { coder in
if self.version != .v1 {
try coder.serialize(self.version.rawValue, explicitlyTaggedWithTagNumber: 0, tagClass: .contextSpecific)
}
if let requestorName = self.requestorName {
try coder.serialize(requestorName, explicitlyTaggedWithTagNumber: 1, tagClass: .contextSpecific)
}
try coder.serializeSequenceOf(requestList)
if let requestExtensions = self.requestExtensions {
try coder.serialize(explicitlyTaggedWithTagNumber: 2, tagClass: .contextSpecific) { coder in
try coder.serializeSequenceOf(requestExtensions)
}
}
}
}
}
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