Abstract API: add declarative TLS request option to AHC and DefaultHTTPClient

Package.swift

@@ -96,6 +96,7 @@ let package = Package(
 
                 .product(name: "AsyncHTTPClient", package: "async-http-client"),
                 .product(name: "NIOHTTP1", package: "swift-nio"),
+                .product(name: "NIOSSL", package: "swift-nio-ssl"),
             ],
             swiftSettings: extraSettings
         ),

Sources/AHCHTTPClient/AHC+HTTPClient.swift

@@ -18,15 +18,16 @@ import Foundation
 import HTTPTypes
 import NIOCore
 import NIOHTTP1
+import NIOSSL
 import Synchronization
 
 @available(anyAppleOS 26.0, *)
 extension AsyncHTTPClient.HTTPClient: HTTPAPIs.HTTPClient {
     public typealias RequestWriter = RequestBodyWriter
     public typealias ResponseConcludingReader = ResponseReader
 
-    public struct RequestOptions: HTTPClientCapability.RequestOptions {
-
+    public struct RequestOptions: HTTPClientCapability.DeclarativeTLS {
+        public var serverTrustPolicy: TrustEvaluationPolicy = .default
     }
 
     public struct RequestBodyWriter: AsyncWriter, ~Copyable {
@@ -163,6 +164,7 @@ extension AsyncHTTPClient.HTTPClient: HTTPAPIs.HTTPClient {
                 let sequence = request.headerFields.lazy.map({ ($0.name.rawName, $0.value) })
                 ahcRequest.headers.add(contentsOf: sequence)
             }
+            ahcRequest.tlsConfiguration = Self.tlsConfiguration(for: options.serverTrustPolicy)
 
             if let body, body.knownLength != 0 {
                 let (asyncStream, startUploadContinuation) = AsyncStream.makeStream(of: HTTPClientRequest.Body.RequestWriter.self)
@@ -217,4 +219,19 @@ extension AsyncHTTPClient.HTTPClient: HTTPAPIs.HTTPClient {
 
         return try result!.get()
     }
+
+    private static func tlsConfiguration(for policy: TrustEvaluationPolicy) -> TLSConfiguration? {
+        switch policy {
+        case .default:
+            return nil
+        case .allowNameMismatch:
+            var config = TLSConfiguration.makeClientConfiguration()
+            config.certificateVerification = .noHostnameVerification
+            return config
+        case .allowAny:
+            var config = TLSConfiguration.makeClientConfiguration()
+            config.certificateVerification = .none
+            return config
+        }
+    }
 }

Sources/URLSessionHTTPClient/HTTPClientCapability+DeclarativeTLSHandler.swift → Sources/HTTPAPIs/Client/HTTPClientCapability+DeclarativeTLS.swift

@@ -11,6 +11,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+public import NetworkTypes
+
 @available(anyAppleOS 26.0, *)
 extension HTTPClientCapability {
     /// A protocol for HTTP request options that support TLS policies.

Sources/HTTPAPIs/HTTP.swift

@@ -14,6 +14,7 @@
 @_exported public import AsyncStreaming
 @_exported public import ContainersPreview
 @_exported public import HTTPTypes
+@_exported public import NetworkTypes
 
 /// The namespace for HTTP.
 public enum HTTP {}

Sources/HTTPClient/DefaultHTTPClient.swift

@@ -139,12 +139,12 @@ public final class DefaultHTTPClient: HTTPAPIs.HTTPClient {
         options: HTTPRequestOptions,
         responseHandler: (HTTPResponse, consuming ResponseConcludingReader) async throws -> Return
     ) async throws -> Return {
-        // TODO: translate request options
-        let options = self.client.defaultRequestOptions
+        var actualOptions = self.client.defaultRequestOptions
+        actualOptions.serverTrustPolicy = options.serverTrustPolicy
         let body = body.map {
             HTTPClientRequestBody<ActualHTTPClient.RequestWriter>(other: $0) { RequestWriter(actual: $0) }
         }
-        return try await self.client.perform(request: request, body: body, options: options) { response, body in
+        return try await self.client.perform(request: request, body: body, options: actualOptions) { response, body in
             try await responseHandler(response, ResponseConcludingReader(actual: body))
         }
     }

Sources/HTTPClient/HTTPRequestOptions.swift

@@ -13,6 +13,8 @@
 
 /// The options for the default HTTP client implementation.
 @available(anyAppleOS 26.0, *)
-public struct HTTPRequestOptions: HTTPClientCapability.RequestOptions {
+public struct HTTPRequestOptions: HTTPClientCapability.DeclarativeTLS {
+    public var serverTrustPolicy: TrustEvaluationPolicy = .default
+
     public init() {}
 }