chore: import upstream snapshot with attribution

2026-07-13 12:25:30 +08:00
commit 680845cb1c
445 changed files with 103779 additions and 0 deletions
@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+// Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//===----------------------------------------------------------------------===//
+
+import AsyncHTTPClient
+import Foundation
+import NIOHTTP1
+
+extension RegistryClient {
+    /// `RegistryClient` errors.
+    public enum Error: Swift.Error, CustomStringConvertible {
+        case invalidStatus(url: String, HTTPResponseStatus, reason: String? = nil)
+
+        /// Description of the errors.
+        public var description: String {
+            switch self {
+            case .invalidStatus(let u, let response, let reason):
+                return "HTTP request to \(u) failed with response: \(response.description). Reason: \(reason ?? "Unknown")"
+            }
+        }
+    }
+
+    /// The container registry typically returns actionable failure reasons in the response body
+    /// of the failing HTTP Request. This type models the structure of the error message.
+    /// Reference: https://distribution.github.io/distribution/spec/api/#errors
+    internal struct ErrorResponse: Codable {
+        let errors: [RemoteError]
+
+        internal struct RemoteError: Codable {
+            let code: String
+            let message: String
+            let detail: String?
+        }
+
+        internal static func fromResponseBody(_ body: HTTPClientResponse.Body) async -> ErrorResponse? {
+            guard var buffer = try? await body.collect(upTo: Int(1.mib())) else {
+                return nil
+            }
+            guard let bytes = buffer.readBytes(length: buffer.readableBytes) else {
+                return nil
+            }
+            let data = Data(bytes)
+            guard let jsonError = try? JSONDecoder().decode(ErrorResponse.self, from: data) else {
+                return nil
+            }
+            return jsonError
+        }
+
+        public var jsonString: String {
+            let data = try? JSONEncoder().encode(self)
+            guard let data else {
+                return "{}"
+            }
+            return String(data: data, encoding: .utf8) ?? "{}"
+        }
+    }
+}