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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
/// An OCSPResponseBytes is defined as:
///
/// ```
/// ResponseBytes ::= SEQUENCE {
/// responseType OBJECT IDENTIFIER,
/// response OCTET STRING }
///
/// For a basic OCSP responder, responseType will be id-pkix-ocsp-basic.
///
/// id-pkix-ocsp OBJECT IDENTIFIER ::= { id-ad-ocsp }
/// id-pkix-ocsp-basic OBJECT IDENTIFIER ::= { id-pkix-ocsp 1 }
/// ```
///
struct OCSPResponseBytes: DERImplicitlyTaggable, Hashable {
static var defaultIdentifier: ASN1Identifier {
.sequence
}
var responseType: ASN1ObjectIdentifier
var response: ASN1OctetString
init(responseType: ASN1ObjectIdentifier, response: ASN1OctetString) {
self.responseType = responseType
self.response = response
}
init(derEncoded rootNode: ASN1Node, withIdentifier identifier: ASN1Identifier) throws {
self = try DER.sequence(rootNode, identifier: identifier) { nodes in
let responseType = try ASN1ObjectIdentifier(derEncoded: &nodes)
let response = try ASN1OctetString(derEncoded: &nodes)
return .init(responseType: responseType, response: response)
}
}
func serialize(into coder: inout DER.Serializer, withIdentifier identifier: ASN1Identifier) throws {
try coder.appendConstructedNode(identifier: identifier) { coder in
try coder.serialize(self.responseType)
try coder.serialize(self.response)
}
}
}
extension BasicOCSPResponse {
init(decoding original: OCSPResponseBytes) throws {
guard original.responseType == .OCSP.basicResponse else {
throw ASN1Error.invalidASN1Object(reason: "Cannot decode BasicOCSPResponse from \(original.responseType)")
}
self = try .init(derEncoded: original.response.bytes)
}
}
extension OCSPResponseBytes {
init(encoding original: BasicOCSPResponse) throws {
self.responseType = .OCSP.basicResponse
self.response = ASN1OctetString(contentBytes: try DER.Serializer.serialized(element: original)[...])
}
}
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