From b1b9fcfd374e71eeed5dfe4d62b586c84ff55d03 Mon Sep 17 00:00:00 2001
From: Qiu Yuzhou <qiuyuzhou@gmail.com>
Date: Wed, 28 Oct 2026 18:28:58 +0800
Subject: [PATCH] fix(sip008): emit UUID identifiers in lowercase

---
 .../CatalogWorkflow/CatalogWorkflow+GroupExport.swift     | 8 ++++----
 ShadowsocksX-NG2/Domain/Catalog/NodeIdentity.swift        | 2 +-
 .../Tests/Catalog/ConfigurationGroupExportTests.swift     | 6 +++---
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/ShadowsocksX-NG2/App/Application/CatalogWorkflow/CatalogWorkflow+GroupExport.swift b/ShadowsocksX-NG2/App/Application/CatalogWorkflow/CatalogWorkflow+GroupExport.swift
index 51cc13b1..8c92c6ba 100644
--- a/ShadowsocksX-NG2/App/Application/CatalogWorkflow/CatalogWorkflow+GroupExport.swift
+++ b/ShadowsocksX-NG2/App/Application/CatalogWorkflow/CatalogWorkflow+GroupExport.swift
@@ -182,19 +182,19 @@ private struct SIP008ExportIdentity {
   private static let namespace = UUID(uuidString: "0d89e9f8-8f0e-4a55-941a-77d61736eaa3")!
 
   func groupID(for nodeID: NodeID) -> String {
-    Self.version5(name: "group:\(nodeID.rawValue)").uuidString
+    Self.version5(name: "group:\(nodeID.rawValue)").uuidString.lowercased()
   }
 
   func serverID(for entry: CatalogEntry) -> String {
     if entry.source == .manual, let id = UUID(uuidString: entry.id.rawValue) {
-      return id.uuidString
+      return id.uuidString.lowercased()
     }
     if entry.source == .subscription,
       let providerID = subscriptionServerID(entry.id), let id = UUID(uuidString: providerID)
     {
-      return id.uuidString
+      return id.uuidString.lowercased()
     }
-    return Self.version5(name: "server:\(entry.id.rawValue)").uuidString
+    return Self.version5(name: "server:\(entry.id.rawValue)").uuidString.lowercased()
   }
 
   private func subscriptionServerID(_ nodeID: NodeID) -> String? {
diff --git a/ShadowsocksX-NG2/Domain/Catalog/NodeIdentity.swift b/ShadowsocksX-NG2/Domain/Catalog/NodeIdentity.swift
index 96add03a..23efcc00 100644
--- a/ShadowsocksX-NG2/Domain/Catalog/NodeIdentity.swift
+++ b/ShadowsocksX-NG2/Domain/Catalog/NodeIdentity.swift
@@ -15,7 +15,7 @@ struct NodeID: Hashable, Codable, Sendable {
   init(rawValue: String) { self.rawValue = rawValue }
 
   /// 手动新建节点身份。
-  static func fresh() -> NodeID { NodeID(rawValue: UUID().uuidString) }
+  static func fresh() -> NodeID { NodeID(rawValue: UUID().uuidString.lowercased()) }
 
   init(from decoder: Decoder) throws {
     rawValue = try decoder.singleValueContainer().decode(String.self)
diff --git a/ShadowsocksX-NG2/Tests/Catalog/ConfigurationGroupExportTests.swift b/ShadowsocksX-NG2/Tests/Catalog/ConfigurationGroupExportTests.swift
index 248a7f0e..99417e04 100644
--- a/ShadowsocksX-NG2/Tests/Catalog/ConfigurationGroupExportTests.swift
+++ b/ShadowsocksX-NG2/Tests/Catalog/ConfigurationGroupExportTests.swift
@@ -104,9 +104,9 @@ final class ConfigurationGroupExportTests: XCTestCase {
     let rootIDs = rootServers.compactMap { $0["id"] as? String }
     let nestedIDs = nestedServers.compactMap { $0["id"] as? String }
 
-    XCTAssertEqual(rootIDs[0], providerID.uppercased())
-    XCTAssertEqual(rootIDs[1], nestedProviderID.uppercased())
-    XCTAssertEqual(nestedIDs, [nestedProviderID.uppercased()])
+    XCTAssertEqual(rootIDs[0], providerID)
+    XCTAssertEqual(rootIDs[1], nestedProviderID)
+    XCTAssertEqual(nestedIDs, [nestedProviderID])
     let repeatedRootIDs = try jsonServers(in: repeatedRootDraft).compactMap { $0["id"] as? String }
     XCTAssertEqual(rootIDs[2], repeatedRootIDs[2], "无 provider UUID 的服务器身份稳定")
     XCTAssertNotNil(UUID(uuidString: try XCTUnwrap(rootIDs[2])))