refactor: config to versioned schema and auto-load matching tweaks

Sources/WeChatTweak/Command.swift

@@ -23,8 +23,8 @@ struct Command {
         try await Command.execute(command: "defaults read \(app.appendingPathComponent("Contents/Info.plist").path) CFBundleVersion")
     }
 
-    static func patch(app: URL, config: Config) async throws {
-        try Patcher.patch(binary: app.appendingPathComponent("Contents/MacOS/WeChat"), config: config)
+    static func patch(app: URL, targets: [Target]) async throws {
+        try Patcher.patch(binary: app.appendingPathComponent("Contents/MacOS/WeChat"), entries: targets.flatMap { $0.entries })
     }
 
     static func resign(app: URL) async throws {

Sources/WeChatTweak/Patcher.swift

@@ -17,12 +17,11 @@ struct Patcher {
         case noArchMatched
     }
 
-    static func patch(binary: URL, config: Config) throws {
+    static func patch(binary: URL, entries: [Target.Entry]) throws {
         guard FileManager.default.fileExists(atPath: binary.path) else {
             throw Error.invalidFile
         }
 
-        let entries = config.targets.flatMap { $0.entries }
         guard !entries.isEmpty else { throw Error.noArchMatched }
 
         let fh = try FileHandle(forUpdating: binary)

Sources/WeChatTweak/Config.swift → Sources/WeChatTweak/Target.swift

@@ -1,29 +1,28 @@
 //
-//  Config.swift
+//  Target.swift
 //  WeChatTweak
 //
 //  Created by Sunny Young on 2025/12/5.
 //
 
 import Foundation
-import MachO
 
-struct Config: Decodable {
-    enum Arch: String, Decodable {
-        case arm64
-        case x86_64
+struct Target: Decodable {
+    struct Entry: Decodable {
+        enum Arch: String, Decodable {
+            case arm64
+            case x86_64
 
-        var cpu: UInt32 {
-            switch self {
-            case .arm64:
-                return UInt32(CPU_TYPE_ARM64)
-            case .x86_64:
-                return UInt32(CPU_TYPE_X86_64)
+            var cpu: UInt32 {
+                switch self {
+                case .arm64:
+                    return UInt32(CPU_TYPE_ARM64)
+                case .x86_64:
+                    return UInt32(CPU_TYPE_X86_64)
+                }
             }
         }
-    }
 
-    struct Entry: Decodable {
         let arch: Arch
         let addr: UInt64
         let asm: Data
@@ -62,38 +61,8 @@ struct Config: Decodable {
         }
     }
 
-    struct Target: Decodable {
-        let identifier: String
-        let entries: [Entry]
-
-        private enum CodingKeys: CodingKey {
-            case identifier
-            case entries
-        }
-
-        init(from decoder: any Decoder) throws {
-            let container = try decoder.container(keyedBy: CodingKeys.self)
-            self.identifier = try container.decode(String.self, forKey: .identifier)
-            self.entries = try container.decode([Entry].self, forKey: .entries)
-        }
-    }
-
-    let version: String
-    let targets: [Target]
-
-    static func load(url: URL) async throws -> [Config] {
-        if url.isFileURL {
-            return try JSONDecoder().decode(
-                [Config].self,
-                from: Data(contentsOf: url)
-            )
-        } else {
-            return try JSONDecoder().decode(
-                [Config].self,
-                from: try await URLSession.shared.data(from: url).0
-            )
-        }
-    }
+    let identifier: String
+    let entries: [Entry]
 }
 
 private extension Data {

Sources/WeChatTweak/main.swift

@@ -20,7 +20,7 @@ extension Tweak {
             print("------ Current version ------")
             print(try await Command.version(app: options.app) ?? "unknown")
             print("------ Supported versions ------")
-            try await Config.load(url: options.config).forEach({ print($0.version) })
+            try await Tweak.versions().forEach { print($0) }
             Darwin.exit(EXIT_SUCCESS)
         }
     }
@@ -36,25 +36,21 @@ extension Tweak {
 
         mutating func run() async throws {
             print("------ Version ------")
-            let version = try await Command.version(app: options.app)
-            print("WeChat version: \(version ?? "unknown")")
-
-            print("------ Config ------")
-            guard let config = (try await Config.load(url: options.config)).first(where: { $0.version == version }) else {
+            guard let version = try await Command.version(app: self.options.app), let targets = try await Tweak.load(version: version) else {
                 throw Error.unsupportedVersion
             }
-            print("Matched config: \(config)")
+            print("\(version)")
 
             print("------ Patch ------")
             try await Command.patch(
-                app: options.app,
-                config: config
+                app: self.options.app,
+                targets: targets
             )
             print("Done!")
 
             print("------ Resign ------")
             try await Command.resign(
-                app: options.app
+                app: self.options.app
             )
             print("Done!")
 
@@ -101,7 +97,7 @@ struct Tweak: AsyncParsableCommand {
 
         @Option(
             name: .shortAndLong,
-            help: "Local path or Remote URL of config.json",
+            help: "Local path or Remote URL of config (default: derived from app version)",
             transform: {
                 if FileManager.default.fileExists(atPath: $0) {
                     return URL(fileURLWithPath: $0)
@@ -113,7 +109,7 @@ struct Tweak: AsyncParsableCommand {
                 }
             }
         )
-        var config: URL = URL(string:"https://raw.githubusercontent.com/sunnyyoung/WeChatTweak/refs/heads/master/config.json")!
+        var config: URL? = nil
     }
 
     static let configuration = CommandConfiguration(
@@ -131,6 +127,35 @@ struct Tweak: AsyncParsableCommand {
     }
 }
 
+extension Tweak {
+    static func load(url: URL) async throws -> [Target] {
+        let data = try await {
+            if url.isFileURL {
+                return try Data(contentsOf: url)
+            } else {
+                return try await URLSession.shared.data(from: url).0
+            }
+        }()
+        return try JSONDecoder().decode([Target].self, from: data)
+    }
+
+    static func load(version: String) async throws -> [Target]? {
+        guard try await Tweak.versions().contains(version) else {
+            return nil
+        }
+        return try await Self.load(url: URL(string: "https://raw.githubusercontent.com/sunnyyoung/WeChatTweak/master/Versions/\(version).json")!)
+    }
+
+    static func versions() async throws -> [String] {
+        let data = try await URLSession.shared.data(
+            for: URLRequest(
+                url: URL(string: "https://api.github.com/repos/sunnyyoung/WeChatTweak/contents/Versions")!
+            )
+        )
+        return (try JSONSerialization.jsonObject(with: data.0) as? [[String: Any]])?.compactMap { ($0["name"] as? NSString)?.deletingPathExtension } ?? []
+    }
+}
+
 Task {
     await Tweak.main()
 }

Versions/31927.json

@@ -0,0 +1,82 @@
+[
+  {
+    "identifier": "revoke",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "103dba3d0",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "startUpdater",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ea41c",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "startBackgroundUpdatesCheck",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ed3b4",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "checkForUpdates",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ecf9c",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "enableAutoUpdate",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ed920",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "automaticallyDownloadsUpdates",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001f6ee8",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "canCheckForUpdate",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001f6ef8",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "multiInstance",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001e1c10",
+        "asm": "20008052C0035FD6"
+      }
+    ]
+  }
+]

Versions/31960.json

@@ -0,0 +1,22 @@
+[
+  {
+    "identifier": "revoke",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "10408a408",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "multiInstance",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001e4a38",
+        "asm": "20008052C0035FD6"
+      }
+    ]
+  }
+]

Versions/32281.json

@@ -0,0 +1,82 @@
+[
+  {
+    "identifier": "revoke",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "103db33e0",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "startUpdater",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001e9ed0",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "startBackgroundUpdatesCheck",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ecb10",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "checkForUpdates",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ec73c",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "enableAutoUpdate",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001ecfc0",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "automaticallyDownloadsUpdates",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001f59e0",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "canCheckForUpdate",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001f59e0",
+        "asm": "00008052C0035FD6"
+      }
+    ]
+  },
+  {
+    "identifier": "multiInstance",
+    "entries": [
+      {
+        "arch": "arm64",
+        "addr": "1001e1a74",
+        "asm": "20008052C0035FD6"
+      }
+    ]
+  }
+]