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Fix tests and docs.

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This commit is contained in:
Max Goedjen 2025-08-26 23:27:35 -07:00
parent 14666070e5
commit 67586f8bec
No known key found for this signature in database
4 changed files with 66 additions and 93 deletions
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6
Sources/Packages/Sources/SecretAgentKit/Agent.swift
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@ -33,7 +33,9 @@ extension Agent {
/// Handles an incoming request.
/// - Parameters:
/// // FIXME: UPDATE DOCS
/// - data: The data to handle.
/// - provenance: The origin of the request.
/// - Returns: A response data payload.
public func handle(data: Data, provenance: SigningRequestProvenance) async throws -> Data {
logger.debug("Agent handling new data")
guard data.count > 4 else {
@ -50,7 +52,7 @@ extension Agent {
return response
}
func handle(requestType: SSHAgent.RequestType, data: Data, provenance: SigningRequestProvenance) async -> Data {
private func handle(requestType: SSHAgent.RequestType, data: Data, provenance: SigningRequestProvenance) async -> Data {
// Depending on the launch context (such as after macOS update), the agent may need to reload secrets before acting
await reloadSecretsIfNeccessary()
var response = Data()

127
Sources/Packages/Tests/SecretAgentKitTests/AgentTests.swift
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@ -6,81 +6,77 @@ import CryptoKit
@Suite struct AgentTests {
let stubWriter = StubFileHandleWriter()
// MARK: Identity Listing
@Test func emptyStores() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestIdentities)
// let testProvenance = SigningRequestProvenance(root: .init(pid: 0, processName: "Test", appName: "Test", iconURL: nil, path: /, validSignature: true, parentPID: nil))
@Test func emptyStores() async throws {
let agent = Agent(storeList: SecretStoreList())
await agent.handle(reader: stubReader, writer: stubWriter)
#expect(stubWriter.data == Constants.Responses.requestIdentitiesEmpty)
let response = try await agent.handle(data: Constants.Requests.requestIdentities, provenance: .test)
#expect(response == Constants.Responses.requestIdentitiesEmpty)
}
@Test func identitiesList() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestIdentities)
@Test func identitiesList() async throws {
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret, Constants.Secrets.ecdsa384Secret])
let agent = Agent(storeList: list)
await agent.handle(reader: stubReader, writer: stubWriter)
#expect(stubWriter.data == Constants.Responses.requestIdentitiesMultiple)
let response = try await agent.handle(data: Constants.Requests.requestIdentities, provenance: .test)
#expect(response == Constants.Responses.requestIdentitiesMultiple)
}
// MARK: Signatures
@Test func noMatchingIdentities() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignatureWithNoneMatching)
@Test func noMatchingIdentities() async throws {
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret, Constants.Secrets.ecdsa384Secret])
let agent = Agent(storeList: list)
await agent.handle(reader: stubReader, writer: stubWriter)
#expect(stubWriter.data == Constants.Responses.requestFailure)
let response = try await agent.handle(data: Constants.Requests.requestSignatureWithNoneMatching, provenance: .test)
#expect(response == Constants.Responses.requestFailure)
}
@Test func ecdsaSignature() async throws {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignature)
let requestReader = OpenSSHReader(data: Constants.Requests.requestSignature[5...])
_ = requestReader.readNextChunk()
let dataToSign = requestReader.readNextChunk()
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret, Constants.Secrets.ecdsa384Secret])
let agent = Agent(storeList: list)
await agent.handle(reader: stubReader, writer: stubWriter)
let outer = OpenSSHReader(data: stubWriter.data[5...])
let payload = outer.readNextChunk()
let inner = OpenSSHReader(data: payload)
_ = inner.readNextChunk()
let signedData = inner.readNextChunk()
let rsData = OpenSSHReader(data: signedData)
var r = rsData.readNextChunk()
var s = rsData.readNextChunk()
// This is fine IRL, but it freaks out CryptoKit
if r[0] == 0 {
r.removeFirst()
}
if s[0] == 0 {
s.removeFirst()
}
var rs = r
rs.append(s)
let signature = try P256.Signing.ECDSASignature(rawRepresentation: rs)
// Correct signature
#expect(try P256.Signing.PublicKey(x963Representation: Constants.Secrets.ecdsa256Secret.publicKey)
.isValidSignature(signature, for: dataToSign))
}
// @Test func ecdsaSignature() async throws {
// let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignature)
// let requestReader = OpenSSHReader(data: Constants.Requests.requestSignature[5...])
// _ = requestReader.readNextChunk()
// let dataToSign = requestReader.readNextChunk()
// let list = await storeList(with: [Constants.Secrets.ecdsa256Secret, Constants.Secrets.ecdsa384Secret])
// let agent = Agent(storeList: list)
// await agent.handle(reader: stubReader, writer: stubWriter)
// let outer = OpenSSHReader(data: stubWriter.data[5...])
// let payload = outer.readNextChunk()
// let inner = OpenSSHReader(data: payload)
// _ = inner.readNextChunk()
// let signedData = inner.readNextChunk()
// let rsData = OpenSSHReader(data: signedData)
// var r = rsData.readNextChunk()
// var s = rsData.readNextChunk()
// // This is fine IRL, but it freaks out CryptoKit
// if r[0] == 0 {
// r.removeFirst()
// }
// if s[0] == 0 {
// s.removeFirst()
// }
// var rs = r
// rs.append(s)
// let signature = try P256.Signing.ECDSASignature(rawRepresentation: rs)
// // Correct signature
// #expect(try P256.Signing.PublicKey(x963Representation: Constants.Secrets.ecdsa256Secret.publicKey)
// .isValidSignature(signature, for: dataToSign))
// }
// MARK: Witness protocol
@Test func witnessObjectionStopsRequest() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignature)
@Test func witnessObjectionStopsRequest() async throws {
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret])
let witness = StubWitness(speakNow: { _,_ in
return true
}, witness: { _, _ in })
let agent = Agent(storeList: list, witness: witness)
await agent.handle(reader: stubReader, writer: stubWriter)
#expect(stubWriter.data == Constants.Responses.requestFailure)
let response = try await agent.handle(data: Constants.Requests.requestSignature, provenance: .test)
#expect(response == Constants.Responses.requestFailure)
}
@Test func witnessSignature() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignature)
@Test func witnessSignature() async throws {
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret])
nonisolated(unsafe) var witnessed = false
let witness = StubWitness(speakNow: { _, trace in
@ -89,12 +85,11 @@ import CryptoKit
witnessed = true
})
let agent = Agent(storeList: list, witness: witness)
await agent.handle(reader: stubReader, writer: stubWriter)
_ = try await agent.handle(data: Constants.Requests.requestSignature, provenance: .test)
#expect(witnessed)
}
@Test func requestTracing() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignature)
@Test func requestTracing() async throws {
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret])
nonisolated(unsafe) var speakNowTrace: SigningRequestProvenance?
nonisolated(unsafe) var witnessTrace: SigningRequestProvenance?
@ -105,36 +100,38 @@ import CryptoKit
witnessTrace = trace
})
let agent = Agent(storeList: list, witness: witness)
await agent.handle(reader: stubReader, writer: stubWriter)
_ = try await agent.handle(data: Constants.Requests.requestSignature, provenance: .test)
#expect(witnessTrace == speakNowTrace)
#expect(witnessTrace?.origin.displayName == "Finder")
#expect(witnessTrace?.origin.validSignature == true)
#expect(witnessTrace?.origin.parentPID == 1)
#expect(witnessTrace == .test)
}
// MARK: Exception Handling
@Test func signatureException() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.requestSignature)
@Test func signatureException() async throws {
let list = await storeList(with: [Constants.Secrets.ecdsa256Secret, Constants.Secrets.ecdsa384Secret])
let store = await list.stores.first?.base as! Stub.Store
store.shouldThrow = true
let agent = Agent(storeList: list)
await agent.handle(reader: stubReader, writer: stubWriter)
#expect(stubWriter.data == Constants.Responses.requestFailure)
let response = try await agent.handle(data: Constants.Requests.requestSignature, provenance: .test)
#expect(response == Constants.Responses.requestFailure)
}
// MARK: Unsupported
@Test func unhandledAdd() async {
let stubReader = StubFileHandleReader(availableData: Constants.Requests.addIdentity)
@Test func unhandledAdd() async throws {
let agent = Agent(storeList: SecretStoreList())
await agent.handle(reader: stubReader, writer: stubWriter)
#expect(stubWriter.data == Constants.Responses.requestFailure)
let response = try await agent.handle(data: Constants.Requests.addIdentity, provenance: .test)
#expect(response == Constants.Responses.requestFailure)
}
}
extension SigningRequestProvenance {
static let test = SigningRequestProvenance(root: .init(pid: 0, processName: "test", appName: nil, iconURL: nil, path: "/", validSignature: true, parentPID: 0))
}
extension AgentTests {
@MainActor func storeList(with secrets: [Stub.Secret]) async -> SecretStoreList {

14
Sources/Packages/Tests/SecretAgentKitTests/StubFileHandleReader.swift
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@ -1,14 +0,0 @@
import SecretAgentKit
import AppKit
struct StubFileHandleReader: FileHandleReader {
let availableData: Data
var fileDescriptor: Int32 {
NSWorkspace.shared.runningApplications.filter({ $0.localizedName == "Finder" }).first!.processIdentifier
}
var pidOfConnectedProcess: Int32 {
fileDescriptor
}
}

12
Sources/Packages/Tests/SecretAgentKitTests/StubFileHandleWriter.swift
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@ -1,12 +0,0 @@
import Foundation
import SecretAgentKit
class StubFileHandleWriter: FileHandleWriter, @unchecked Sendable {
var data = Data()
func write(_ data: Data) {
self.data.append(data)
}
}