Installs apps from AltStore via AltServer

AltKit/AltKit.h

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+//
+//  AltKit.h
+//  AltKit
+//
+//  Created by Riley Testut on 5/30/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+#import "NSError+ALTServerError.h"

AltKit/Bundle+AltStore.swift

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+//
+//  Bundle+AltStore.swift
+//  AltStore
+//
+//  Created by Riley Testut on 5/30/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import Foundation
+
+public extension Bundle
+{
+    struct Info
+    {
+        public static let deviceID = "ALTDeviceID"
+    }
+}

AltKit/NSError+ALTServerError.h

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+//
+//  NSError+ALTServerError.h
+//  AltStore
+//
+//  Created by Riley Testut on 5/30/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+extern NSErrorDomain const AltServerErrorDomain;
+
+typedef NS_ERROR_ENUM(AltServerErrorDomain, ALTServerError)
+{
+    ALTServerErrorUnknown,
+    ALTServerErrorConnectionFailed,
+    ALTServerErrorLostConnection,
+    
+    ALTServerErrorDeviceNotFound,
+    ALTServerErrorDeviceWriteFailed,
+    
+    ALTServerErrorInvalidRequest,
+    ALTServerErrorInvalidResponse,
+    
+    ALTServerErrorInvalidApp,
+};
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSError (ALTServerError)
+@end
+
+NS_ASSUME_NONNULL_END

AltKit/NSError+ALTServerError.m

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+//
+//  NSError+ALTServerError.m
+//  AltStore
+//
+//  Created by Riley Testut on 5/30/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+#import "NSError+ALTServerError.h"
+
+NSErrorDomain const AltServerErrorDomain = @"com.rileytestut.AltServer";
+
+@implementation NSError (ALTServerError)
+@end

AltKit/Result+Conveniences.swift

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+//
+//  Result+Conveniences.swift
+//  AltStore
+//
+//  Created by Riley Testut on 5/22/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import Foundation
+
+public extension Result
+{
+    init(_ value: Success?, _ error: Failure?)
+    {
+        switch (value, error)
+        {
+        case (let value?, _): self = .success(value)
+        case (_, let error?): self = .failure(error)
+        case (nil, nil): preconditionFailure("Either value or error must be non-nil")
+        }
+    }
+}
+
+public extension Result where Success == Void
+{
+    init(_ success: Bool, _ error: Failure?)
+    {
+        if success
+        {
+            self = .success(())
+        }
+        else if let error = error
+        {
+            self = .failure(error)
+        }
+        else
+        {
+            preconditionFailure("Error must be non-nil if success is false")
+        }
+    }
+}

AltKit/ServerProtocol.swift

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+//
+//  ServerProtocol.swift
+//  AltServer
+//
+//  Created by Riley Testut on 5/24/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import Foundation
+
+public let ALTServerServiceType = "_altserver._tcp"
+
+// Can only automatically conform ALTServerError.Code to Codable, not ALTServerError itself
+extension ALTServerError.Code: Codable {}
+
+public struct ServerRequest: Codable
+{
+    public var udid: String
+    public var contentSize: Int
+    
+    public init(udid: String, contentSize: Int)
+    {
+        self.udid = udid
+        self.contentSize = contentSize
+    }
+}
+
+public struct ServerResponse: Codable
+{
+    public var success: Bool
+    public var error: ALTServerError? {
+        get {
+            guard let code = self.errorCode else { return nil }
+            return ALTServerError(code)
+        }
+        set {
+            self.errorCode = newValue?.code
+        }
+    }
+    
+    private var errorCode: ALTServerError.Code?
+    
+    public init(success: Bool, error: ALTServerError?)
+    {
+        self.success = success
+        self.error = error
+    }
+}