Simplify introduction

Add QuickDrop for iOS

ConfigSynced.storekit

@@ -0,0 +1,126 @@
+{
+  "appPolicies" : {
+    "eula" : "",
+    "policies" : [
+      {
+        "locale" : "en_US",
+        "policyText" : "",
+        "policyURL" : ""
+      }
+    ]
+  },
+  "identifier" : "07114EE9",
+  "nonRenewingSubscriptions" : [
+
+  ],
+  "products" : [
+    {
+      "displayPrice" : "4.99",
+      "familyShareable" : true,
+      "internalID" : "6742512912",
+      "localizations" : [
+        {
+          "description" : "Unlocks unlimited file transfer, forever.",
+          "displayName" : "QuickDrop+",
+          "locale" : "en_US"
+        }
+      ],
+      "productID" : "plusversion",
+      "referenceName" : "QuickDrop+ Lifetime",
+      "type" : "NonConsumable"
+    }
+  ],
+  "settings" : {
+    "_applicationInternalID" : "6740147178",
+    "_askToBuyEnabled" : false,
+    "_billingGracePeriodEnabled" : false,
+    "_billingIssuesEnabled" : false,
+    "_developerTeamID" : "92SDAWLN76",
+    "_disableDialogs" : false,
+    "_failTransactionsEnabled" : false,
+    "_lastSynchronizedDate" : 788014826.59455097,
+    "_locale" : "en_US",
+    "_renewalBillingIssuesEnabled" : false,
+    "_storefront" : "USA",
+    "_storeKitErrors" : [
+
+    ],
+    "_timeRate" : 0
+  },
+  "subscriptionGroups" : [
+    {
+      "id" : "21845627",
+      "localizations" : [
+
+      ],
+      "name" : "QuickDrop+ Subscription",
+      "subscriptions" : [
+        {
+          "adHocOffers" : [
+
+          ],
+          "codeOffers" : [
+
+          ],
+          "displayPrice" : "1.99",
+          "familyShareable" : false,
+          "groupNumber" : 1,
+          "internalID" : "6756841799",
+          "introductoryOffer" : null,
+          "localizations" : [
+            {
+              "description" : "Unlocks unlimited file transfer.",
+              "displayName" : "QuickDrop+ (1 Month)",
+              "locale" : "en_US"
+            }
+          ],
+          "productID" : "quickdrop.monthly",
+          "recurringSubscriptionPeriod" : "P1M",
+          "referenceName" : "QuickDrop+ (1 Month)",
+          "subscriptionGroupID" : "21845627",
+          "type" : "RecurringSubscription",
+          "winbackOffers" : [
+
+          ]
+        },
+        {
+          "adHocOffers" : [
+
+          ],
+          "codeOffers" : [
+
+          ],
+          "displayPrice" : "3.99",
+          "familyShareable" : true,
+          "groupNumber" : 1,
+          "internalID" : "6755912812",
+          "introductoryOffer" : {
+            "internalID" : "D30B2549",
+            "numberOfPeriods" : 1,
+            "paymentMode" : "free",
+            "subscriptionPeriod" : "P3D"
+          },
+          "localizations" : [
+            {
+              "description" : "Unlocks unlimited file transfer.",
+              "displayName" : "QuickDrop+ (1 Year)",
+              "locale" : "en_US"
+            }
+          ],
+          "productID" : "quickdrop.yearly",
+          "recurringSubscriptionPeriod" : "P1Y",
+          "referenceName" : "QuickDrop+ (1 Year)",
+          "subscriptionGroupID" : "21845627",
+          "type" : "RecurringSubscription",
+          "winbackOffers" : [
+
+          ]
+        }
+      ]
+    }
+  ],
+  "version" : {
+    "major" : 4,
+    "minor" : 0
+  }
+}

NearbyShare/Connection/InboundNearbyConnection.swift

@@ -12,6 +12,7 @@ import Network
 import System
 import BigInt
 import SwiftECC
+import LUI
 
 #if os(macOS)
 import AppKit
@@ -22,6 +23,7 @@ import UIKit
 class InboundNearbyConnection: NearbyConnection {
     
     private var filesToBeReceived: [Int64: InternalFileInfo] = [:]
+    private var downloadedFiles = [URL]()
     private var currentState: State = .initial
     private var cipherCommitment: Data?
     private var textPayloadID: Int64 = 0
@@ -49,10 +51,7 @@ class InboundNearbyConnection: NearbyConnection {
         deletePartiallyReceivedFiles()
   
         DispatchQueue.main.async {
-            self.delegate?.connectionWasTerminated(connection: self, error: self.lastError)
+            self.delegate?.connectionWasTerminated(connection: self, savedFiles: self.downloadedFiles, error: self.lastError)
-            
-            SaveFilesManager.shared.movePendingFilesToTarget()
-            SaveFilesManager.shared.stopAccessingSecurityScopedResource()
         }
     }
     
@@ -169,7 +168,8 @@ class InboundNearbyConnection: NearbyConnection {
             #if os(macOS)
             fileInfo.progress?.unpublish()
             #endif
-            SaveFilesManager.shared.registerFileFinishedDownloading(fileInfo.destinationURL)
+            downloadedFiles.append(fileInfo.destinationURL)
+            EXIFUtils.applyEXIFTimestamps(at: fileInfo.destinationURL)
 
             filesToBeReceived.removeValue(forKey: id)
             
@@ -222,7 +222,8 @@ class InboundNearbyConnection: NearbyConnection {
             fileInfo.progress?.unpublish()
             #endif
             filesToBeReceived.removeValue(forKey: id)
-            SaveFilesManager.shared.registerFileFinishedDownloading(fileInfo.destinationURL)
+            downloadedFiles.append(fileInfo.destinationURL)
+            EXIFUtils.applyEXIFTimestamps(at: fileInfo.destinationURL)
             
             if filesToBeReceived.isEmpty {
                 log("[InboundNearbyConnection \(self.id)] Received file payload. Disconnecting...")
@@ -241,19 +242,9 @@ class InboundNearbyConnection: NearbyConnection {
         
         guard case .connectionRequest = frame.v1.type else { throw NearbyError.protocolError("Unexpected frame type \(frame.v1.type)") }
         
-        let endpointInfo = frame.v1.connectionRequest.endpointInfo
+        let endpointInfo = EndpointInfo(data: frame.v1.connectionRequest.endpointInfo)
         
-        guard endpointInfo.count > 17 else { throw NearbyError.protocolError("Endpoint info too short") }
+        remoteDeviceInfo = RemoteDeviceInfo(name: endpointInfo?.name, type: endpointInfo?.deviceType)
-        
-        let deviceNameLength = Int(endpointInfo[17])
-        
-        guard endpointInfo.count >= deviceNameLength + 18 else { throw NearbyError.protocolError("Endpoint info too short to contain the device name") }
-        
-        guard let deviceName = String(data: endpointInfo[18 ..< (18 + deviceNameLength)], encoding: .utf8) else { throw NearbyError.protocolError("Device name is not valid UTF-8") }
-        
-        let rawDeviceType = Int(endpointInfo[0] & 7) >> 1
-        
-        remoteDeviceInfo = RemoteDeviceInfo(name: deviceName, type: RemoteDeviceInfo.DeviceType.fromRawValue(value: rawDeviceType))
         currentState = .receivedConnectionRequest
     }
     
@@ -392,6 +383,13 @@ class InboundNearbyConnection: NearbyConnection {
         
         let pkeFrame = frame.v1.pairedKeyEncryption
         
+        if frame.v1.certificateInfo.publicCertificate.isEmpty {
+            log("[InboundNearbyConnection \(self.id)] Detected legacy peer.")
+        }
+        else {
+            log("[InboundNearbyConnection \(self.id)] Detected QuickDrop peer.")
+        }
+        
         // Check if we can accept the connection automatically
         if !pkeFrame.secretIDHash.isEmpty,
             let trustedCertData = TrustStore.shared.findTrustedKey(for: pkeFrame.secretIDHash),
@@ -461,9 +459,11 @@ class InboundNearbyConnection: NearbyConnection {
     }
     
 
-    private func makeFileDestinationURL(_ initialDest: URL) -> URL {
+    private func makeFileDestinationURL(_ initialDest: URL, usedDestinations: Set<URL>) -> URL {
         var dest = initialDest
-        if FileManager.default.fileExists(atPath: dest.path) {
+        let fm = FileManager.default
+        
+        if fm.fileExists(atPath: dest.path) || usedDestinations.contains(dest) {
             var counter = 1
             var path: String
             let ext = dest.pathExtension
@@ -474,8 +474,8 @@ class InboundNearbyConnection: NearbyConnection {
                     path += ".\(ext)"
                 }
                 counter += 1
-            } while FileManager.default.fileExists(atPath: path)
+                dest = URL(fileURLWithPath: path)
-            dest = URL(fileURLWithPath: path)
+            } while fm.fileExists(atPath: dest.path) || usedDestinations.contains(dest)
         }
         return dest
     }
@@ -486,13 +486,19 @@ class InboundNearbyConnection: NearbyConnection {
         currentState = .waitingForUserConsent
 
         if frame.v1.introduction.fileMetadata.count > 0 && frame.v1.introduction.textMetadata.isEmpty {
-            let saveDirectory = SaveFilesManager.shared.getSaveDirectory()
+            let saveDirectory = NearbyConnectionManager.shared.getSaveDirectory()
+            var usedDestinations = Set<URL>()
 
             for file in frame.v1.introduction.fileMetadata {
-                let dest = makeFileDestinationURL(saveDirectory.appendingPathComponent(file.name))
+                let initialDest = saveDirectory.appendingPathComponent(file.name)
-                let info = InternalFileInfo(meta: FileMetadata(name: file.name, size: file.size, mimeType: file.mimeType),
+                let dest = makeFileDestinationURL(initialDest, usedDestinations: usedDestinations)
-                                            payloadID: file.payloadID,
+                usedDestinations.insert(dest)
-                                            destinationURL: dest)
+                
+                let info = InternalFileInfo(
+                    meta: FileMetadata(name: file.name, size: file.size, mimeType: file.mimeType),
+                    payloadID: file.payloadID,
+                    destinationURL: dest
+                )
                 filesToBeReceived[file.payloadID] = info
                 bytesToBeTransferred += file.size
             }
@@ -500,56 +506,50 @@ class InboundNearbyConnection: NearbyConnection {
             checkIfCanProceed(metadata: metadata)
         }
         else if let textMetadata = frame.v1.introduction.textMetadata.first {
+            let isURL = textMetadata.type == .url
             
-            if textMetadata.type == .url || textMetadata.type == .text {
+            let metadata = TransferMetadata(files: [], id: id, pinCode: pinCode, textDescription: textMetadata.textTitle, transferType: isURL ? .url : .text, allowsToBeAddedAsTrustedDevice: self.peerCertificate != nil)
+            textPayloadID = textMetadata.payloadID
             
-                let isClipboardText = textMetadata.type == .text
+            if !isURL {
-                
+                isPlainTextTransfer = true
-                let metadata = TransferMetadata(files: [], id: id, pinCode: pinCode, textDescription: textMetadata.textTitle, transferType: isClipboardText ? .text : .url, allowsToBeAddedAsTrustedDevice: self.peerCertificate != nil)
-                textPayloadID = textMetadata.payloadID
-                
-                if isClipboardText {
-                    isPlainTextTransfer = true
-                }
-                
-                checkIfCanProceed(metadata: metadata)
             }
-            else {
+            
-                rejectDueToUnsupportedFileType(frame)
+            checkIfCanProceed(metadata: metadata)
-            }
+        }
-        } else {
+        else {
-            rejectDueToUnsupportedFileType(frame)
+            log("[InboundNearbyConnection \(self.id)] Rejecting transfer due to unsupported file type. Frame is \(frame.debugDescription)")
+            
+            lastError = NearbyError.canceled(reason: .unsupportedType)
+            rejectTransfer(with: .unsupportedAttachmentType)
         }
         
         
         func checkIfCanProceed(metadata: TransferMetadata) {
             
-            let acceptAutomatically = isAuthenticated || UserDefaults.standard.bool(forKey: UserDefaultsKeys.automaticallyAcceptFiles.rawValue)
+            let acceptAutomatically = isAuthenticated || Settings.shared.automaticallyAcceptFiles
             
             DispatchQueue.main.async {
-                self.delegate?.obtainUserConsent(transfer: metadata, device: self.remoteDeviceInfo!, connection: self, acceptAutomatically: acceptAutomatically)
+                if acceptAutomatically {
+                    self.delegate?.obtainedUserConsentAutomatically(transfer: metadata, device: self.remoteDeviceInfo!, connection: self)
+                    self.submitUserConsent(accepted: true, trustDevice: false)
+                }
+                else {
+                    self.delegate?.obtainUserConsent(transfer: metadata, device: self.remoteDeviceInfo!, connection: self)
+                }
             }
         }
     }
     
 
-    func rejectDueToUnsupportedFileType(_ frame: Sharing_Nearby_Frame) {
+    func submitUserConsent(accepted: Bool, trustDevice: Bool) {
-        
-        log("[InboundNearbyConnection \(self.id)] Rejecting transfer due to unsupported file type. Frame is \(frame.debugDescription)")
-        
-        lastError = NearbyError.canceled(reason: .unsupportedType)
-        rejectTransfer(with: .unsupportedAttachmentType)
-    }
-    
-
-    func submitUserConsent(accepted: Bool, trustDevice: Bool, storeInTemp: Bool = false) {
         if trustDevice, let peerCertificate = peerCertificate, let remoteDeviceInfo = remoteDeviceInfo {
             TrustStore.shared.addTrusted(certificate: peerCertificate, device: remoteDeviceInfo)
         }
         
-        DispatchQueue.global(qos: .utility).async {
+        NearbyConnection.dispatchQueue.async {
             if accepted {
-                self.acceptTransfer(storeInTemp: storeInTemp)
+                self.acceptTransfer()
             } else {
                 self.rejectTransfer()
             }
@@ -557,19 +557,28 @@ class InboundNearbyConnection: NearbyConnection {
     }
 
     
-    private func acceptTransfer(storeInTemp: Bool) {
+    private func acceptTransfer() {
         if currentState == .disconnected {
             log("[InboundNearbyConnection \(self.id)] Detected timeout, not accepting transfer")
             return
         }
         
+        if isFileTransferRestricted() {
+            log("[InboundNearbyConnection \(self.id)] File transfer restrictions detected.")
+            delegate?.showPlusScreen()
+            rejectTransfer()
+            return
+        }
+
         do {
-            if storeInTemp {
+            
-                try FileManager.default.createDirectory(at: SaveFilesManager.shared.tempDirectory, withIntermediateDirectories: true)
+            if filesToBeReceived.count >= 1 {
+                // Show progress bar for file transfers immediately
+                NearbyConnectionManager.shared.updatedTransferProgress(connection: self, progress: 0)
             }
 
             for (id, file) in filesToBeReceived {
-                let targetURL = storeInTemp ? SaveFilesManager.shared.tempDirectory.appendingPathComponent(file.destinationURL.lastPathComponent) : file.destinationURL
+                let targetURL = file.destinationURL
 
                 FileManager.default.createFile(atPath: targetURL.path, contents: nil)
                 let handle = try FileHandle(forWritingTo: targetURL)
@@ -638,12 +647,7 @@ class InboundNearbyConnection: NearbyConnection {
             #endif
             
             guard file.created else { continue }
-            do {
+            try? FileManager.default.removeItem(at: file.destinationURL)
-                try FileManager.default.removeItem(at: file.destinationURL)
-            }
-            catch {
-                // if it fails, we don't care. Could be because file was not created yet
-            }
         }
     }
 }

NearbyShare/Connection/NearbyConnection.swift

@@ -12,11 +12,12 @@ import Network
 import System
 import BigInt
 import SwiftECC
+import LUI
 
 class NearbyConnection {
     
     private let maxFrameLength = 5 * 1024 * 1024
-    private static let dispatchQueue = DispatchQueue(label: "com.leonboettger.quickdrop.queue", qos: .utility)
+    static let dispatchQueue = DispatchQueue(label: "com.leonboettger.quickdrop.queue", qos: .utility)
     
     let id: String
     let connection: NWConnection
@@ -37,7 +38,10 @@ class NearbyConnection {
     private var connectionClosed: Bool = false
     
     private var inactivityTimer: DispatchSourceTimer?
-    private let timeoutInterval: TimeInterval = 30
+    
+    private let ackInterval: TimeInterval = 5
+    private let ackTimeoutInterval: TimeInterval = 30
+    private var lastKeepAliveFrameSent = Date()
     
     // UKEY2-related state
     var privateKey: ECPrivateKey?
@@ -117,7 +121,7 @@ class NearbyConnection {
     
     
     func connectionClosedByPeer(onError: @escaping () -> Void) {
-        NearbyConnection.dispatchQueue.asyncAfter(deadline: .now() + 0.5) {
+        NearbyConnection.dispatchQueue.asyncAfter(deadline: .now() + 1) {
             
             // If already closed, ignore the error, as file transfer has been processed
             if !self.connectionClosed {
@@ -164,6 +168,8 @@ class NearbyConnection {
     private func receiveFrameAsync() {
         connection.receive(minimumIncompleteLength: 4, maximumLength: 4) { content, _, isComplete, error in
             if self.connectionClosed {
+                log("[NearbyConnection \(self.id)] Received FIN from peer, connection closed.")
+                self.connection.cancel()
                 return
             }
             if isComplete {
@@ -171,6 +177,7 @@ class NearbyConnection {
                 self.connectionClosedByPeer {
                     self.lastError = NearbyError.protocolError("Error.ClosedByPeer".localized())
                     self.disconnect()
+                    self.connection.cancel()
                 }
                 return
             }
@@ -201,6 +208,8 @@ class NearbyConnection {
     private func receiveFrameAsync(length: UInt32) {
         connection.receive(minimumIncompleteLength: Int(length), maximumLength: Int(length)) { [self] content, _, isComplete, _ in
             if self.connectionClosed {
+                log("[NearbyConnection \(self.id)] Received FIN from peer, connection closed.")
+                connection.cancel()
                 return
             }
             if isComplete {
@@ -216,6 +225,7 @@ class NearbyConnection {
                 self.connectionClosedByPeer {
                     self.lastError = NearbyError.protocolError("Error.ClosedByPeer".localized())
                     self.disconnect()
+                    self.connection.cancel()
                 }
                 
                 return
@@ -422,11 +432,6 @@ class NearbyConnection {
             }
         }
         else if offlineFrame.hasV1, offlineFrame.v1.hasType, case .keepAlive = offlineFrame.v1.type {
-            
-            let bytesTransferred = self.bytesTransferred
-            let gigabytesTransferred = Double(bytesTransferred) / 1_000_000_000
-            
-            log("[NearbyConnection \(self.id)] Sent keep-alive, \(self.bytesTransferred) bytes (\(gigabytesTransferred) GB) sent")
             sendKeepAlive(ack: true)
         } else {
             
@@ -515,6 +520,19 @@ class NearbyConnection {
     }
     
     
+    func cancel() {
+        cancelled = true
+        if encryptionDone {
+            var cancel = Sharing_Nearby_Frame()
+            cancel.version = .v1
+            cancel.v1 = Sharing_Nearby_V1Frame()
+            cancel.v1.type = .cancel
+            try? sendTransferSetupFrame(cancel)
+        }
+        try? sendDisconnectionAndDisconnect()
+    }
+    
+    
     func disconnect() {
         log("[NearbyConnection \(self.id)] Disconnecting from connection.")
         
@@ -568,25 +586,33 @@ class NearbyConnection {
             } else {
                 try sendFrameAsync(offlineFrame.serializedData())
             }
+            
+            self.lastKeepAliveFrameSent = Date()
         } catch {
             log("[NearbyConnection \(self.id)] Error sending KEEP_ALIVE: \(error)")
         }
+        
+        log("[NearbyConnection \(self.id)] Sent keep-alive \(ack ? "ack" : "no ack"), \(self.bytesTransferred) bytes (\(Double(bytesTransferred) / 1_000_000_000) GB) sent")
     }
     
     
     func startAndResetHeartbeatTimer() {
         
+        if lastKeepAliveFrameSent.isOlderThan(seconds: ackInterval) {
+            sendKeepAlive(ack: false)
+        }
+        
         // Cancel previous timer if any
         inactivityTimer?.cancel()
         
         inactivityTimer = DispatchSource.makeTimerSource(queue: NearbyConnection.dispatchQueue)
-        inactivityTimer?.schedule(deadline: .now() + timeoutInterval)
+        inactivityTimer?.schedule(deadline: .now() + ackTimeoutInterval)
         inactivityTimer?.setEventHandler { [weak self] in
             
             guard let self = self else { return }
             
             if !self.connectionClosed {
-                log("[NearbyConnection \(self.id)] Connection timeout: No message received in \(self.timeoutInterval) seconds")
+                log("[NearbyConnection \(self.id)] Connection timeout: No message received in \(self.ackTimeoutInterval) seconds")
                 self.lastError = NearbyError.canceled(reason: .timedOut)
                 self.disconnect()
             }
@@ -597,7 +623,7 @@ class NearbyConnection {
     
     
     func startDataTransferTimer(previousBytesTransferred: Int64) {
-        NearbyConnection.dispatchQueue.asyncAfter(deadline: .now() + timeoutInterval) {
+        NearbyConnection.dispatchQueue.asyncAfter(deadline: .now() + ackTimeoutInterval) {
             
             if previousBytesTransferred < self.bytesTransferred {
                 // everything good, transferred more than last check, schedule next check
@@ -606,7 +632,7 @@ class NearbyConnection {
             else {
                 // connection stale, need to abort
                 if !self.connectionClosed {
-                    log("[NearbyConnection \(self.id)] Connection timeout: No more data received in \(self.timeoutInterval) seconds")
+                    log("[NearbyConnection \(self.id)] Connection timeout: No more data received in \(self.ackTimeoutInterval) seconds")
                     self.lastError = NearbyError.canceled(reason: .timedOut)
                     self.disconnect()
                 }

NearbyShare/Connection/NearbyConnectionManager.swift

@@ -7,7 +7,7 @@
 
 #if os(iOS)
 import UIKit
-import RNDeviceName
+import DeviceKit
 #endif
 
 import Foundation
@@ -16,6 +16,8 @@ import System
 import SwiftECC
 import CryptoKit
 import SwiftUI
+import QRCode
+import LUI
 
 public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearbyConnectionDelegate, OutboundNearbyConnectionDelegate, ObservableObject {
     
@@ -26,7 +28,8 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private var mdnsServices: [NetService] = []
     private var incomingConnections: [String: InboundNearbyConnection] = [:]
     private var foundServices: [String: FoundServiceInfo] = [:]
-    private var shareExtensionDelegates: [OutboundAppDelegate] = []
+    private var outboundAppDelegates: [OutboundAppDelegate] = []
+    private var inboundAppDelegates: [InboundAppDelegate] = []
     private var outgoingTransfers: [String: OutgoingTransferInfo] = [:]
     private var startedDeviceDiscovery = false
     private var startedAdvertising = false
@@ -37,54 +40,124 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private var qrCodeNameEncryptionKey: SymmetricKey?
     private let hasConnectionMonitor = NWPathMonitor()
     private let connectionMonitorQueue = DispatchQueue(label: "NetworkConnectionMonitorQueue")
+    private var securityScopeUrl: URL?
+    private static let customDeviceNameKey = "com.leonboettger.quickdrop.deviceName"
     
-    public let deviceInfo: EndpointInfo
     public let endpointID: [UInt8] = generateEndpointID()
-    public var mainAppDelegate: (any InboundAppDelegate)?
+    
     public static let shared = NearbyConnectionManager()
     
     @Published var attachments: AttachmentDetails? = nil
-    @Published var hasLocalNetworkAccess = true
+    @Published var hasLocalNetworkPermission = true
-    @Published var isConnectedViaWiFi = true
+    @Published var isConnectedToLocalNetwork = true
+    @Published var deviceInfo: EndpointInfo
     
     public var connectionUpdateCallback: (Bool) -> Void = { _ in } {
         didSet {
-            connectionUpdateCallback(isConnectedViaWiFi)
+            connectionUpdateCallback(isConnectedToLocalNetwork)
         }
     }
     
+    public var changedDeviceNameCallback: () -> Void = { }
+    
     override init() {
-        
+        self.deviceInfo = Self.getEndpointInfo()
-#if os(macOS)
-        self.deviceInfo = EndpointInfo(name: Host.current().localizedName ?? "Mac", deviceType: .computer)
-#else
-        let marketingName = UIDevice.current.marketingName.withoutBracketedContent
-        let isiPad = UIDevice.current.model == "iPad"
-        
-        self.deviceInfo = EndpointInfo(name: marketingName, deviceType: isiPad ? .tablet : .phone)
-#endif
-        
         tcpListener = try! NWListener(using: NWParameters(tls: .none))
         
         super.init()
         
         hasConnectionMonitor.pathUpdateHandler = { path in
-            if path.usesInterfaceType(.wifi) {
+            
-                log("[NearbyConnectionManager] Connected via WiFi.")
+            #if os(macOS)
-                DispatchQueue.main.async {
+            // On Mac, the local network is available as long as the path is satisfied, since Macs do not have cellular modems
-                    self.isConnectedViaWiFi = true
+            let isConnected = path.status == .satisfied
-                    self.connectionUpdateCallback(true)
+            #else
-                }
+            // On iPhone and iPad, the local network is only available using Wi-Fi or Ethernet
-            } else {
+            let isConnected = path.usesInterfaceType(.wifi) || path.usesInterfaceType(.wiredEthernet)
-                log("[NearbyConnectionManager] WiFi connection lost.")
+            #endif
-                DispatchQueue.main.async {
+            
-                    self.isConnectedViaWiFi = false
+            DispatchQueue.main.async {
-                    self.connectionUpdateCallback(false)
+                if isConnected {
+                    log("[NearbyConnectionManager] Connected to local network.")
+                } else {
+                    log("[NearbyConnectionManager] Local network lost.")
                 }
+                self.isConnectedToLocalNetwork = isConnected
+                self.connectionUpdateCallback(isConnected)
             }
         }
         
         hasConnectionMonitor.start(queue: connectionMonitorQueue)
+        
+        
+        // remove old temp directory
+        let tempPath = FileManager.default.temporaryDirectory
+        let fileManager = FileManager.default
+
+         do {
+             let contents = try fileManager.contentsOfDirectory(at: tempPath, includingPropertiesForKeys: nil)
+             
+             var didSomething = false
+             
+             for item in contents {
+                 didSomething = true
+                 try fileManager.removeItem(at: item)
+             }
+             
+             if didSomething {
+                 log("[SaveFilesManager] Temporary directory cleared.")
+             }
+         } catch {
+             log("[SaveFilesManager] Failed to list contents of temp directory: \(error)")
+         }
+    }
+    
+    
+    deinit {
+        self.stopAccessingSaveDirectory()
+    }
+    
+    
+    public static func getCustomDeviceName() -> String? {
+        let storedName = AppGroup.appGroupUD.string(forKey: Self.customDeviceNameKey)
+        
+        guard let name = storedName, !name.isEmpty else {
+            return nil
+        }
+        
+        return name
+    }
+    
+    
+    public func setCustomDeviceName(to newName: String) {
+        AppGroup.appGroupUD.setValue(newName, forKey: Self.customDeviceNameKey)
+        
+        self.deviceInfo = Self.getEndpointInfo()
+        changedDeviceNameCallback()
+        
+        if startedAdvertising {
+            self.becomeInvisible()
+            
+            runAfter(seconds: 0.5) {
+                self.becomeVisible()
+            }
+        }
+    }
+    
+    
+    private static func getEndpointInfo() -> EndpointInfo {
+        
+        let deviceType = isMac() ? RemoteDeviceInfo.DeviceType.computer : (isiPadOrMac() ? .tablet : .phone)
+        
+        if let customName = getCustomDeviceName() {
+            return EndpointInfo(name: String(customName), deviceType: deviceType)
+        }
+        
+        #if os(macOS)
+        return EndpointInfo(name: String((Host.current().localizedName ?? "Mac")), deviceType: deviceType)
+        #else
+        return EndpointInfo(name: String(Device.current.description.withoutBracketedContent), deviceType: deviceType)
+        #endif
     }
     
     
@@ -117,7 +190,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     
     public func becomeInvisible() {
         if !startedAdvertising {
-            print("[NearbyConnectionManager] Already invisible, ignoring becomeInvisible()")
+            log("[NearbyConnectionManager] Already invisible, ignoring becomeInvisible()")
             return
         }
         
@@ -130,12 +203,10 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     
     
     private static func generateEndpointID() -> [UInt8] {
-        let userDefaultsKey = UserDefaultsKeys.endpointID.rawValue
         
         // Try to retrieve from UserDefaults
-        if let savedString = UserDefaults.standard.string(forKey: userDefaultsKey),
+        if let savedString = Settings.shared.endpointID,
-           let savedData = savedString.data(using: .utf8)
+           let savedData = savedString.data(using: .utf8) {
-        {
             return [UInt8](savedData)
         }
         
@@ -148,7 +219,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         
         // Save to UserDefaults as String
         let idString = String(bytes: id, encoding: .utf8) ?? ""
-        UserDefaults.standard.set(idString, forKey: userDefaultsKey)
+        Settings.shared.endpointID = idString
         
         return id
     }
@@ -186,30 +257,50 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
-    func obtainUserConsent(transfer: TransferMetadata, device: RemoteDeviceInfo, connection _: InboundNearbyConnection, acceptAutomatically: Bool) {
+    func obtainUserConsent(transfer: TransferMetadata, device: RemoteDeviceInfo, connection _: InboundNearbyConnection) {
-        mainAppDelegate?.obtainUserConsent(transfer: transfer, device: device, acceptAutomatically: acceptAutomatically)
+        inboundAppDelegates.forEach { delegate in
+            delegate.obtainUserConsent(transfer: transfer, device: device)
+        }
     }
     
     
-    func connectionWasTerminated(connection: InboundNearbyConnection, error: Error?) {
+    func obtainedUserConsentAutomatically(transfer: TransferMetadata, device: RemoteDeviceInfo, connection: InboundNearbyConnection) {
+        inboundAppDelegates.forEach { delegate in
+            delegate.obtainedUserConsentAutomatically(transfer: transfer, device: device)
+        }
+    }
+    
+    
+    func connectionWasTerminated(connection: InboundNearbyConnection, savedFiles: [URL], error: Error?) {
         incomingConnections.removeValue(forKey: connection.id)
         
         if !connection.wasUserRejected {
-            mainAppDelegate?.connectionWasTerminated(from: connection.remoteDeviceInfo ?? RemoteDeviceInfo(name: "??", type: .unknown), wasPlainTextTransfer: connection.isPlainTextTransfer, error: error)
+            inboundAppDelegates.forEach { delegate in
+                delegate.connectionWasTerminated(connectionID: connection.id, from: connection.remoteDeviceInfo, savedFiles: savedFiles, wasPlainTextTransfer: connection.isPlainTextTransfer, error: error)
+            }
+        }
+    }
+    
+    
+    func showPlusScreen() {
+        inboundAppDelegates.forEach { delegate in
+            delegate.showPlusScreen()
         }
     }
     
     
     func updatedTransferProgress(connection: InboundNearbyConnection, progress: Double) {
-        mainAppDelegate?.transferProgress(progress: progress)
+        inboundAppDelegates.forEach { delegate in
+            delegate.transferProgress(connectionID: connection.id, progress: progress)
+        }
     }
     
     
-    public func submitUserConsent(transferID: String, accept: Bool, trustDevice: Bool, storeInTemp: Bool = false) {
+    public func submitUserConsent(transferID: String, accept: Bool, trustDevice: Bool) {
         guard let conn = incomingConnections[transferID] else { return }
         
-        log("[NearbyConnectionManager] Submitting user consent for transfer \(transferID), accepted: \(accept), store in temp: \(storeInTemp)")
+        log("[NearbyConnectionManager] Submitting user consent for transfer \(transferID), accepted: \(accept)")
-        conn.submitUserConsent(accepted: accept, trustDevice: trustDevice, storeInTemp: storeInTemp)
+        conn.submitUserConsent(accepted: accept, trustDevice: trustDevice)
     }
     
     
@@ -245,13 +336,13 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
                             log("[NearbyConnectionManager] Browser failed: \(error)")
                         case .ready:
                             log("[NearbyConnectionManager] Browser ready")
-                            self.hasLocalNetworkAccess = true
+                            self.hasLocalNetworkPermission = true
                         case .waiting(let error):
                             log("[NearbyConnectionManager] Browser waiting: \(error)")
                             
                             if error == NWError.dns(DNSServiceErrorType(kDNSServiceErr_PolicyDenied))  {
                                 log("[NearbyConnectionManager] Local network access not granted.")
-                                self.hasLocalNetworkAccess = false
+                                self.hasLocalNetworkPermission = false
                             }
                         default:
                             break
@@ -279,7 +370,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             startedDeviceDiscovery = false
             
             
-            for delegate in shareExtensionDelegates {
+            for delegate in outboundAppDelegates {
                 
                 foundServices.values.forEach { service in
                     guard let device = service.device, let id = device.id else { return }
@@ -290,8 +381,8 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
-    public func addShareExtensionDelegate(_ delegate: OutboundAppDelegate) {
+    public func addOutboundAppDelegate(_ delegate: OutboundAppDelegate) {
-        shareExtensionDelegates.append(delegate)
+        outboundAppDelegates.append(delegate)
         for service in foundServices.values {
             guard let device = service.device else { continue }
             delegate.addDevice(device: device)
@@ -299,14 +390,28 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
-    public func removeShareExtensionDelegate(_ delegate: OutboundAppDelegate) {
+    public func addInboundAppDelegate(_ delegate: InboundAppDelegate) {
-        shareExtensionDelegates.removeAll(where: { $0 === delegate })
+        inboundAppDelegates.append(delegate)
     }
     
     
-    public func cancelOutgoingTransfer(id: String) {
+    public func removeOutboundAppDelegate(_ delegate: OutboundAppDelegate) {
-        guard let transfer = outgoingTransfers[id] else { return }
+        outboundAppDelegates.removeAll(where: { $0 === delegate })
-        transfer.connection.cancel()
+    }
+    
+    public func removeInboundAppDelegate(_ delegate: InboundAppDelegate) {
+        inboundAppDelegates.removeAll(where: { $0 === delegate })
+    }
+    
+    
+    public func cancelTransfer(id: String) {
+        
+        if let transfer = incomingConnections[id] {
+            transfer.cancel()
+        }
+        if let info = outgoingTransfers[id] {
+            info.connection.cancel()
+        }
     }
     
     
@@ -349,7 +454,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             
             if qrData == qrCodeAdvertisingToken {
                 if let deviceInfo = deviceInfo {
-                    for delegate in shareExtensionDelegates {
+                    for delegate in outboundAppDelegates {
                         delegate.startTransferWithQrCode(device: deviceInfo)
                     }
                 }
@@ -361,7 +466,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
                     guard let name = String.init(data: decryptedName, encoding: .utf8) else { return }
                     endpointInfo.name = name
                     let deviceInfo = addFoundDevice(foundService: &foundService, endpointInfo: endpointInfo, endpointID: endpointID)
-                    for delegate in shareExtensionDelegates {
+                    for delegate in outboundAppDelegates {
                         delegate.startTransferWithQrCode(device: deviceInfo)
                     }
                 } catch {
@@ -377,7 +482,7 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         foundService.device = deviceInfo
         foundServices[endpointID] = foundService
         
-        for delegate in shareExtensionDelegates {
+        for delegate in outboundAppDelegates {
             delegate.addDevice(device: deviceInfo)
         }
         
@@ -388,19 +493,23 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private func removeFoundDevice(service: NWBrowser.Result) {
         guard let endpointID = endpointID(for: service) else { return }
         guard let _ = foundServices.removeValue(forKey: endpointID) else { return }
-        for delegate in shareExtensionDelegates {
+        for delegate in outboundAppDelegates {
             delegate.removeDevice(id: endpointID)
         }
     }
     
     
-    public func generateQrCodeKey() -> String{
+    public func generateQrCodeKey() -> Image? {
+        
+        log("[NearbyConnectionManager] Generating new QR code key")
+        
         let domain = Domain.instance(curve: .EC256r1)
         let (pubKey, privKey) = domain.makeKeyPair()
         qrCodePrivateKey = privKey
         var keyData = Data()
         keyData.append(contentsOf: [0, 0, 2])
         let keyBytes = Data(pubKey.w.x.asSignedBytes())
+        
         // Sometimes, for some keys, there will be a leading zero byte. Strip that, Android really hates it (it breaks the endpoint info)
         keyData.append(keyBytes.suffixOfAtMost(numBytes: 32))
         
@@ -408,7 +517,26 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         qrCodeAdvertisingToken = HKDF.deriveKey(ikm: ikm, salt: Data(), info: "advertisingContext".data(using: .utf8)!, outputLength: 16).data()
         qrCodeNameEncryptionKey = HKDF.deriveKey(ikm: ikm, salt: Data(), info: "encryptionKey".data(using: .utf8)!, outputLength: 16)
         
-        return keyData.urlSafeBase64EncodedString()
+        
+        do {
+            let qrKey = keyData.urlSafeBase64EncodedString()
+            let qrCodeImage = try QRCode.build
+                .text("https://quickshare.google/qrcode#key=\(qrKey)")
+                .backgroundColor(CGColor(srgbRed: 1, green: 1, blue: 1, alpha: 0))
+                .quietZonePixelCount(3)
+                .onPixels.shape(.circle())
+                .eye.shape(.squircle())
+                .errorCorrection(.low)
+                .generate
+                .image(dimension: 1000)
+            
+            return Image(decorative: qrCodeImage, scale: 1.0, orientation: .up)
+        }
+        catch {
+            log("Error generating QR code: \(error)")
+        }
+        
+        return nil
     }
     
     
@@ -430,8 +558,8 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
             outgoingTransfers[deviceID] = transfer
             conn.start()
         } catch {
-            log("[NearbyConnectionManager] Error zipping URLs: \(error)")
+            log("[NearbyConnectionManager] Error storing URLs: \(error)")
-            shareExtensionDelegates.forEach { delegate in
+            outboundAppDelegates.forEach { delegate in
                 delegate.connectionFailed(error: error)
             }
         }
@@ -521,7 +649,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
                 if accessSuccess {
                     url.stopAccessingSecurityScopedResource()
                 }
-                
             }
             else {
                 log("[NearbyConnectionManager] File URL \(url) does not point to a security scoped resource")
@@ -533,6 +660,68 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     }
     
     
+    // -- MARK: - Inbound Connection Data Store
+    
+    public func getSaveDirectory() -> URL {
+        
+        // Not supported on iOS
+        #if os(macOS)
+        if let securityScopeUrl = securityScopeUrl {
+            log("[SaveFilesManager] Using existing security scope URL: \(securityScopeUrl)")
+            return securityScopeUrl
+        }
+
+        if let bookmarkData = Settings.shared.saveFolderBookmark {
+            var isStale = false
+   
+            do {
+                let url = try URL(resolvingBookmarkData: bookmarkData, options: .withSecurityScope, relativeTo: nil, bookmarkDataIsStale: &isStale)
+
+                if !isStale {
+                    if url.startAccessingSecurityScopedResource() {
+                        log("[SaveFilesManager] Successfully accessed security scoped resource: \(url)")
+
+                        securityScopeUrl = url
+                        return url
+                    }
+                } else {
+                    log("[SaveFilesManager] Bookmark is stale, using default downloads folder.")
+                }
+
+            } catch {
+                log("[SaveFilesManager] Failed to resolve bookmark: \(error), using default downloads folder.")
+            }
+        }
+
+        do {
+            return try FileManager.default.url(for: .downloadsDirectory, in: .userDomainMask, appropriateFor: nil, create: true).resolvingSymlinksInPath()
+        } catch {
+            fatalError("[SaveFilesManager] Failed to get downloads directory: \(error)")
+        }
+        #else
+        // Return the documents directory for iOS
+        do {
+            return try FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true).resolvingSymlinksInPath()
+        } catch {
+            fatalError("Failed to get documents directory: \(error)")
+        }
+        #endif
+    }
+    
+    
+    private func stopAccessingSaveDirectory() {
+        // Clean up security scoped resource access
+        guard let url = securityScopeUrl else {
+            return
+        }
+
+        log("[SaveFilesManager] Stopping access to security scoped resource: \(url)")
+        url.stopAccessingSecurityScopedResource()
+        securityScopeUrl = nil
+    }
+    
+    
+    
     // -- MARK: - Internal Data Model
     
     private struct FoundServiceInfo {

NearbyShare/Connection/OutboundNearbyConnection.swift

@@ -14,7 +14,8 @@ import UniformTypeIdentifiers
 import BigInt
 import SwiftECC
 import ASN1
-import BigInt // required dependency of ASN1
+import BigInt
+import LUI
 
 
 class OutboundNearbyConnection: NearbyConnection {
@@ -62,6 +63,18 @@ class OutboundNearbyConnection: NearbyConnection {
     override func disconnect() {
         super.disconnect()
   
+        // delete all files
+        for url in urlsToSend {
+            
+            do {
+                try FileManager.default.removeItem(at: url)
+                log("[OutboundNearbyConnection \(self.id)] Deleted file at \(url).")
+            }
+            catch {
+                log("[OutboundNearbyConnection \(self.id)] Failed to delete file at \(url): \(error)")
+            }
+        }
+        
         if let error = lastError {
             DispatchQueue.main.async {
                 self.delegate?.failedWithError(connection: self, error: error)
@@ -70,19 +83,6 @@ class OutboundNearbyConnection: NearbyConnection {
     }
     
 
-    public func cancel() {
-        cancelled = true
-        if encryptionDone {
-            var cancel = Sharing_Nearby_Frame()
-            cancel.version = .v1
-            cancel.v1 = Sharing_Nearby_V1Frame()
-            cancel.v1.type = .cancel
-            try? sendTransferSetupFrame(cancel)
-        }
-        try? sendDisconnectionAndDisconnect()
-    }
-    
-
     override func connectionReady() {
         super.connectionReady()
         do {
@@ -175,8 +175,8 @@ class OutboundNearbyConnection: NearbyConnection {
         frame.v1 = Location_Nearby_Connections_V1Frame()
         frame.v1.type = .connectionRequest
         frame.v1.connectionRequest = Location_Nearby_Connections_ConnectionRequestFrame()
-        frame.v1.connectionRequest.endpointID = String(bytes: NearbyConnectionManager.shared.endpointID, encoding: .ascii)!
+        frame.v1.connectionRequest.endpointID = Data(NearbyConnectionManager.shared.endpointID)
-        frame.v1.connectionRequest.endpointName = endpointInfo.name ?? "QuickDrop"
+        frame.v1.connectionRequest.endpointName = Data((endpointInfo.name ?? "QuickDrop").utf8)
         frame.v1.connectionRequest.endpointInfo = endpointInfo.serialize()
         frame.v1.connectionRequest.mediums = [.wifiLan]
         try sendFrameAsync(frame.serializedData())
@@ -347,6 +347,7 @@ class OutboundNearbyConnection: NearbyConnection {
             meta.textTitle = textToSend
             meta.size = Int64(textToSend.utf8.count)
             meta.payloadID = textPayloadID
+            meta.id = Int64.random(in: Int64.min ... Int64.max)
             introduction.v1.introduction.textMetadata.append(meta)
             
         } else if hasURL() {
@@ -355,6 +356,7 @@ class OutboundNearbyConnection: NearbyConnection {
             meta.textTitle = urlsToSend[0].host ?? "URL"
             meta.size = Int64(urlsToSend[0].absoluteString.utf8.count)
             meta.payloadID = textPayloadID
+            meta.id = Int64.random(in: Int64.min ... Int64.max)
             introduction.v1.introduction.textMetadata.append(meta)
         } else {
             for url in urlsToSend {
@@ -382,12 +384,15 @@ class OutboundNearbyConnection: NearbyConnection {
                 } else {
                     meta.type = .unknown
                 }
+
                 meta.payloadID = Int64.random(in: Int64.min ... Int64.max)
-                try queue.append(OutgoingFileTransfer(url: url, payloadID: meta.payloadID, handle: FileHandle(forReadingFrom: url), totalBytes: meta.size, currentOffset: 0))
+                meta.id = Int64.random(in: Int64.min ... Int64.max)
+                
+                try queue.append(OutgoingFileTransfer(url: url, fileName: meta.name, payloadID: meta.payloadID, handle: FileHandle(forReadingFrom: url), totalBytes: meta.size, currentOffset: 0))
                 introduction.v1.introduction.fileMetadata.append(meta)
                 totalBytesToSend += meta.size
                 
-                log("[OutboundNearbyConnection \(self.id)] Sending file with \(meta.size) bytes")
+                log("[OutboundNearbyConnection \(self.id)] Sending file with \(meta.size) bytes and mime type \(meta.mimeType) and type \(meta.type) and name \(meta.name)")
             }
         }
         try sendTransferSetupFrame(introduction)
@@ -454,8 +459,18 @@ class OutboundNearbyConnection: NearbyConnection {
             }
             if queue.isEmpty {
                 log("[OutboundNearbyConnection \(self.id)] Disconnecting because all files have been transferred")
-                try sendDisconnectionAndDisconnect()
+                
-                delegate?.transferFinished(connection: self)
+                // Delay disconnection to ensure EOF frame is processed at peer
+                NearbyConnection.dispatchQueue.asyncAfter(deadline: .now() + 0.5) {
+                    do {
+                        try self.sendDisconnectionAndDisconnect()
+                        self.delegate?.transferFinished(connection: self)
+                    }
+                    catch {
+                        log("[OutboundNearbyConnection \(self.id)] Error while sending disconnection: \(error)")
+                    }
+                }
+                
                 return
             }
             currentTransfer = queue.removeFirst()
@@ -476,6 +491,7 @@ class OutboundNearbyConnection: NearbyConnection {
         transfer.payloadHeader.type = .file
         transfer.payloadHeader.totalSize = Int64(currentTransfer!.totalBytes)
         transfer.payloadHeader.isSensitive = false
+        transfer.payloadHeader.fileName = currentTransfer!.fileName
         currentTransfer!.currentOffset += Int64(fileBuffer.count)
 
         var wrapper = Location_Nearby_Connections_OfflineFrame()
@@ -498,11 +514,12 @@ class OutboundNearbyConnection: NearbyConnection {
         delegate?.updatedTransferProgress(connection: self, progress: Double(bytesTransferred) / Double(totalBytesToSend))
 
         if currentTransfer!.currentOffset == currentTransfer!.totalBytes {
-            // Signal end of file (yes, all this for one bit)
+            
+            // Signal end of file
             var transfer = Location_Nearby_Connections_PayloadTransferFrame()
             transfer.packetType = .data
             transfer.payloadChunk.offset = currentTransfer!.currentOffset
-            transfer.payloadChunk.flags = 1 // <- this one here
+            transfer.payloadChunk.flags = 1
             transfer.payloadHeader.id = currentTransfer!.payloadID
             transfer.payloadHeader.type = .file
             transfer.payloadHeader.totalSize = Int64(currentTransfer!.totalBytes)
@@ -528,6 +545,7 @@ class OutboundNearbyConnection: NearbyConnection {
     
     private struct OutgoingFileTransfer {
         let url: URL
+        let fileName: String
         let payloadID: Int64
         let handle: FileHandle?
         let totalBytes: Int64

NearbyShare/Model/DataModel.swift

@@ -9,12 +9,15 @@ import Foundation
 import Network
 import CryptoKit
 import SwiftECC
+import LUI
 
 
 protocol InboundNearbyConnectionDelegate {
-    func obtainUserConsent(transfer: TransferMetadata, device: RemoteDeviceInfo, connection: InboundNearbyConnection, acceptAutomatically: Bool)
+    func obtainUserConsent(transfer: TransferMetadata, device: RemoteDeviceInfo, connection: InboundNearbyConnection)
+    func obtainedUserConsentAutomatically(transfer: TransferMetadata, device: RemoteDeviceInfo, connection: InboundNearbyConnection)
     func updatedTransferProgress(connection: InboundNearbyConnection, progress: Double)
-    func connectionWasTerminated(connection: InboundNearbyConnection, error: Error?)
+    func connectionWasTerminated(connection: InboundNearbyConnection, savedFiles: [URL], error: Error?)
+    func showPlusScreen()
 }
 
 
@@ -28,9 +31,11 @@ protocol OutboundNearbyConnectionDelegate {
 
 
 public protocol InboundAppDelegate: AnyObject {
-    func obtainUserConsent(transfer: TransferMetadata, device: RemoteDeviceInfo, acceptAutomatically: Bool)
+    func obtainUserConsent(transfer: TransferMetadata, device: RemoteDeviceInfo)
-    func connectionWasTerminated(from device: RemoteDeviceInfo, wasPlainTextTransfer: Bool, error: Error?)
+    func obtainedUserConsentAutomatically(transfer: TransferMetadata, device: RemoteDeviceInfo)
-    func transferProgress(progress: Double)
+    func connectionWasTerminated(connectionID: String, from device: RemoteDeviceInfo?, savedFiles: [URL], wasPlainTextTransfer: Bool, error: Error?)
+    func transferProgress(connectionID: String, progress: Double)
+    func showPlusScreen()
 }
 
 
@@ -52,9 +57,9 @@ public struct RemoteDeviceInfo: Codable, Identifiable, Equatable {
     public let qrCodeData: Data?
     public var id: String?
 
-    init(name: String, type: DeviceType, id: String? = nil) {
+    init(name: String?, type: DeviceType?, id: String? = nil) {
         self.name = name
-        self.type = type
+        self.type = type ?? .phone
         self.id = id
         self.qrCodeData = nil
     }
@@ -133,6 +138,36 @@ public struct TransferMetadata {
         case text
         case url
     }
+    
+    private func getSummary() -> String {
+        if let textTitle = textDescription {
+            return textTitle
+        } else if files.count == 1 {
+            return files[0].name
+        } else {
+            return String.localizedStringWithFormat("NFiles".localized(), files.count)
+        }
+    }
+    
+    public func getDescription(deviceName: String, alreadyAccepted: Bool) -> String {
+        
+        let fileStr = getSummary()
+        
+        switch type {
+            case .file:
+                return String(format: (alreadyAccepted ? "DeviceCurrentlySendingFiles" : "DeviceSendingFiles").localized(), arguments: [deviceName, fileStr])
+            
+            case .text:
+                return String(format: (alreadyAccepted ? "DeviceCurrentlySendingText" : "DeviceSendingText").localized(), arguments: [deviceName, fileStr])
+            
+            case .url:
+                return String(format: (alreadyAccepted ? "DeviceCurrentlySendingUrl" : "DeviceSendingUrl").localized(), arguments: [deviceName, fileStr])
+        }
+    }
+    
+    public func getPinCodeMessage() -> String {
+        return String(format: "PinCode".localized(), arguments: [pinCode ?? "?"])
+    }
 }
 
 
@@ -148,16 +183,20 @@ public struct EndpointInfo {
     let deviceType: RemoteDeviceInfo.DeviceType
     let qrCodeData: Data?
     
+    static let maxNameChars = 32
 
     init(name: String, deviceType: RemoteDeviceInfo.DeviceType) {
-        self.name = name
+        self.name = String(decoding: Self.sanitizedString(name), as: UTF8.self)
         self.deviceType = deviceType
         self.qrCodeData = nil
     }
     
     
     init?(data: Data) {
-        guard data.count > 17 else { return nil }
+        guard data.count > 17 else {
+            log("[EndpointInfo] Invalid endpoint info data received (too short)")
+            return nil
+        }
         
         let hasName = (data[0] & 0x10) == 0
         let deviceNameLength: Int
@@ -165,8 +204,14 @@ public struct EndpointInfo {
         
         if hasName {
             deviceNameLength = Int(data[17])
-            guard data.count >= deviceNameLength + 18 else { return nil }
+            guard data.count >= deviceNameLength + 18 else {
-            guard let newDeviceName = String(data: data[18..<(18 + deviceNameLength)], encoding: .utf8) else { return nil }
+                log("[EndpointInfo] Invalid endpoint info data received (name length mismatch)")
+                return nil
+            }
+            guard let newDeviceName = String(data: data[18..<(18 + deviceNameLength)], encoding: .utf8) else {
+                log("[EndpointInfo] Invalid endpoint info data received (name decoding failed)")
+                return nil
+            }
             deviceName = newDeviceName
         }
         else {
@@ -210,19 +255,30 @@ public struct EndpointInfo {
         var endpointInfo: [UInt8] = [UInt8(deviceType.rawValue << 1)]
         // 16 bytes: unknown random bytes
         for _ in 0 ... 15 {
-            endpointInfo.append(UInt8.random(in: 0 ... 255))
+            endpointInfo.append(UInt8.random(in: 0...255))
         }
         // Device name in UTF-8 prefixed with 1-byte length
-        var nameChars = [UInt8]((name ?? "").utf8)
+        let nameChars = Self.sanitizedString(self.name ?? "")
-        if nameChars.count > 255 {
-            nameChars = [UInt8](nameChars[0 ..< 255])
-        }
         endpointInfo.append(UInt8(nameChars.count))
         for ch in nameChars {
             endpointInfo.append(UInt8(ch))
         }
         return Data(endpointInfo)
     }
+    
+    
+    private static func sanitizedString(_ string: String) -> [UInt8] {
+        var out: [UInt8] = []
+        out.reserveCapacity(min(Self.maxNameChars, string.utf8.count))
+
+        for scalar in string.unicodeScalars {
+            let bytes = Array(scalar.utf8)
+            if out.count + bytes.count > Self.maxNameChars { break }
+            out.append(contentsOf: bytes)
+        }
+
+        return out
+    }
 }
 
 

NearbyShare/Model/Protobuf/offline_wire_formats.pb.swift

@@ -245,8 +245,8 @@ struct Location_Nearby_Connections_ConnectionRequestFrame: @unchecked Sendable {
   // `Message` and `Message+*Additions` files in the SwiftProtobuf library for
   // methods supported on all messages.
 
-  var endpointID: String {
+  var endpointID: Data {
-    get {return _storage._endpointID ?? String()}
+    get {return _storage._endpointID ?? Data()}
     set {_uniqueStorage()._endpointID = newValue}
   }
   /// Returns true if `endpointID` has been explicitly set.
@@ -254,8 +254,8 @@ struct Location_Nearby_Connections_ConnectionRequestFrame: @unchecked Sendable {
   /// Clears the value of `endpointID`. Subsequent reads from it will return its default value.
   mutating func clearEndpointID() {_uniqueStorage()._endpointID = nil}
 
-  var endpointName: String {
+  var endpointName: Data {
-    get {return _storage._endpointName ?? String()}
+    get {return _storage._endpointName ?? Data()}
     set {_uniqueStorage()._endpointName = newValue}
   }
   /// Returns true if `endpointName` has been explicitly set.
@@ -2550,8 +2550,8 @@ extension Location_Nearby_Connections_ConnectionRequestFrame: SwiftProtobuf.Mess
   static let _protobuf_nameMap = SwiftProtobuf._NameMap(bytecode: "\0\u{3}endpoint_id\0\u{3}endpoint_name\0\u{3}handshake_data\0\u{1}nonce\0\u{1}mediums\0\u{3}endpoint_info\0\u{3}medium_metadata\0\u{3}keep_alive_interval_millis\0\u{3}keep_alive_timeout_millis\0\u{3}device_type\0\u{3}device_info\0\u{3}connections_device\0\u{3}presence_device\0\u{3}connection_mode\0\u{3}location_hint\0")
 
   fileprivate class _StorageClass {
-    var _endpointID: String? = nil
+    var _endpointID: Data? = nil
-    var _endpointName: String? = nil
+    var _endpointName: Data? = nil
     var _handshakeData: Data? = nil
     var _nonce: Int32? = nil
     var _mediums: [Location_Nearby_Connections_ConnectionRequestFrame.Medium] = []
@@ -2606,8 +2606,8 @@ extension Location_Nearby_Connections_ConnectionRequestFrame: SwiftProtobuf.Mess
         // allocates stack space for every case branch when no optimizations are
         // enabled. https://github.com/apple/swift-protobuf/issues/1034
         switch fieldNumber {
-        case 1: try { try decoder.decodeSingularStringField(value: &_storage._endpointID) }()
+        case 1: try { try decoder.decodeSingularBytesField(value: &_storage._endpointID) }()
-        case 2: try { try decoder.decodeSingularStringField(value: &_storage._endpointName) }()
+        case 2: try { try decoder.decodeSingularBytesField(value: &_storage._endpointName) }()
         case 3: try { try decoder.decodeSingularBytesField(value: &_storage._handshakeData) }()
         case 4: try { try decoder.decodeSingularInt32Field(value: &_storage._nonce) }()
         case 5: try { try decoder.decodeRepeatedEnumField(value: &_storage._mediums) }()
@@ -2658,10 +2658,10 @@ extension Location_Nearby_Connections_ConnectionRequestFrame: SwiftProtobuf.Mess
       // are enabled. https://github.com/apple/swift-protobuf/issues/1034 and
       // https://github.com/apple/swift-protobuf/issues/1182
       try { if let v = _storage._endpointID {
-        try visitor.visitSingularStringField(value: v, fieldNumber: 1)
+        try visitor.visitSingularBytesField(value: v, fieldNumber: 1)
       } }()
       try { if let v = _storage._endpointName {
-        try visitor.visitSingularStringField(value: v, fieldNumber: 2)
+        try visitor.visitSingularBytesField(value: v, fieldNumber: 2)
       } }()
       try { if let v = _storage._handshakeData {
         try visitor.visitSingularBytesField(value: v, fieldNumber: 3)

NearbyShare/Model/ProtobufSource/offline_wire_formats.proto

@@ -96,8 +96,8 @@ message ConnectionRequestFrame {
   }
   // LINT.ThenChange(//depot/google3/third_party/nearby/proto/connections_enums.proto)
 
-  optional string endpoint_id = 1;
+  optional bytes endpoint_id = 1;
-  optional string endpoint_name = 2;
+  optional bytes endpoint_name = 2;
   optional bytes handshake_data = 3;
   // A random number generated for each outgoing connection that is presently
   // used to act as a tiebreaker when 2 devices connect to each other

NearbyShare/Util/AppGroup.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-/// Contains information about the app group used to share data between main app and widget
+/// Contains information about the app group used to share data between main app and extensions
 struct AppGroup {
     
     /// Identifier of the app group

NearbyShare/Util/EXIFUtils.swift

@@ -0,0 +1,90 @@
+//
+//  EXIFUtils.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 10.11.25.
+//
+
+import Foundation
+import ImageIO
+import LUI
+
+struct EXIFUtils {
+    
+    /// Applies EXIF timestamps to a given file or directory.
+    static func applyEXIFTimestamps(at url: URL) {
+        let fm = FileManager.default
+        var isDir: ObjCBool = false
+        guard fm.fileExists(atPath: url.path, isDirectory: &isDir) else { return }
+        
+        if isDir.boolValue {
+            // It's a directory — enumerate files
+            if let enumerator = fm.enumerator(at: url, includingPropertiesForKeys: [.isRegularFileKey]) {
+                for case let fileURL as URL in enumerator {
+                    guard (try? fileURL.resourceValues(forKeys: [.isRegularFileKey]))?.isRegularFile == true else { continue }
+                    applyEXIFTimestamp(to: fileURL)
+                }
+            }
+        } else {
+            // It's a single file
+            applyEXIFTimestamp(to: url)
+        }
+    }
+    
+    
+    /// Applies EXIF timestamp (if available) to a single file
+    private static func applyEXIFTimestamp(to fileURL: URL) {
+        guard let exifDate = exifOriginalDate(from: fileURL) else {
+            return
+        }
+
+        do {
+            // Set the "creation date"
+            try FileManager.default.setAttributes([.creationDate: exifDate], ofItemAtPath: fileURL.path)
+        }
+        catch {
+            log("[EXIFUtils] Failed to set file attributes for \(fileURL.path): \(error)")
+        }
+    }
+    
+    
+    /// Returns the EXIF original date of an image file, adjusted to the current time zone.
+    static func exifOriginalDate(from url: URL) -> Date? {
+        guard let imageSource = CGImageSourceCreateWithURL(url as CFURL, nil),
+              let properties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nil) as? [CFString: Any],
+              let exif = properties[kCGImagePropertyExifDictionary] as? [CFString: Any],
+              let dateString = exif[kCGImagePropertyExifDateTimeOriginal] as? String
+        else {
+            return nil
+        }
+        
+        let offsetString = exif[kCGImagePropertyExifOffsetTimeOriginal] as? String
+        
+        let formatter = DateFormatter()
+        formatter.locale = Locale(identifier: "en_US_POSIX")
+        formatter.calendar = Calendar(identifier: .gregorian)
+        formatter.dateFormat = "yyyy:MM:dd HH:mm:ss"
+        
+        let offsetSeconds = offsetString.flatMap(secondsFromOffsetString)
+        if let seconds = offsetSeconds {
+            formatter.timeZone = TimeZone(secondsFromGMT: seconds)
+        } else {
+            // Fallback: treat as device local
+            formatter.timeZone = TimeZone.current
+        }
+        
+        return formatter.date(from: dateString)
+    }
+    
+    
+    static private func secondsFromOffsetString(_ s: String) -> Int? {
+        // Expect formats like "+02:00" or "-05:30"
+        guard s.count == 6, (s.first == "+" || s.first == "-") else { return nil }
+        let sign = s.first == "-" ? -1 : 1
+        let parts = s.dropFirst().split(separator: ":")
+        guard parts.count == 2,
+              let hours = Int(parts[0]),
+              let minutes = Int(parts[1]) else { return nil }
+        return sign * (hours * 3600 + minutes * 60)
+    }
+}

NearbyShare/Util/FileManager+DocumentsOpener.swift

@@ -0,0 +1,25 @@
+//
+//  FileManager+DocumentsOpener.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 10.11.25.
+//
+
+import Foundation
+import UIKit
+import LUI
+
+extension FileManager {
+    public func openDocumentFolder() {
+        #if !EXTENSION
+        let documentsUrl = self.urls(for: .documentDirectory, in: .userDomainMask).first
+
+        if let documentsUrl = documentsUrl, let sharedUrl = URL(string: "shareddocuments://\(documentsUrl.path)"), UIApplication.shared.canOpenURL(sharedUrl) {
+            UIApplication.shared.open(sharedUrl, options: [:])
+        }
+        else {
+            showAlert(title: "CouldNotOpenDocumentsFolder", message: "CouldNotOpenDocumentsFolderDescription")
+        }
+        #endif
+    }
+}

NearbyShare/Util/Helpers.swift

@@ -110,35 +110,11 @@ extension String {
 }
 
 
-public enum UserDefaultsKeys: String, CaseIterable {
+public func fullVersion() -> Bool {
-    case isEligibleForIap = "isEligibleForIap"
+    return Settings.shared.gotPlus
-    case appLaunchedBefore = "ShowedWelcomeScreen"
-    case plusVersion = "isPlusVersion"
-    case transmissionCount = "reviewRequestCountKey"
-    case automaticallyAcceptFiles = "automaticallyAcceptFiles"
-    case saveFolderBookmark = "saveFolderBookmark"
-    case openFinderAfterReceiving = "openFinderAfterReceiving"
-    case endpointID = "endpointID"
-}
-
-
-public func isPlusVersion() -> Bool {
-    
-    #if os(macOS)
-    // Enable full functionality if app distributed directly
-    return DistributionDetector.isDirectDistributionEnabled || UserDefaults.standard.bool(forKey: UserDefaultsKeys.plusVersion.rawValue)
-    #else
-    // iOS
-    return true
-    #endif
 }
 
 
 public func isFileTransferRestricted() -> Bool {
-    (!isPlusVersion() && incomingTransmissionCount() > 1)
+    (!fullVersion() && Settings.shared.incomingTransmissionCount > 1)
-}
-
-
-public func incomingTransmissionCount() -> Int {
-    return UserDefaults.standard.integer(forKey: UserDefaultsKeys.transmissionCount.rawValue)
 }

NearbyShare/Util/IdentityManager.swift

@@ -10,6 +10,7 @@ import Foundation
 import SwiftECC
 import Security
 import CryptoKit
+import LUI
 
 class IdentityManager {
     

NearbyShare/Util/Localized.swift

@@ -1,15 +0,0 @@
-//
-//  Localized.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 10.03.25.
-//
-
-import Foundation
-
-public extension String {
-    func localized() -> String {
-        let localizedString = NSLocalizedString(self, comment: "")
-        return localizedString
-    }
-}

NearbyShare/Util/Logger.swift

@@ -1,126 +0,0 @@
-//
-//  Logger.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 26.02.25.
-//
-
-import Foundation
-import os
-
-fileprivate let loggerQueue = DispatchQueue(label: "loggerQueue", qos: .utility)
-
-/// Manages logging functionality
-final class LogManager {
-    
-    /// The URL of the log file
-    let logFileURL: URL?
-    
-    /// Shared instance
-    public static let sharedInstance = LogManager()
-    
-    @Published var loggingEnabled = true
-
-    
-    /// Private initializer
-    private init() {
-        // Use the App Group container
-        let directory = AppGroup.appGroupDirectory
-        
-        // Create file name from date
-        let formatter = DateFormatter()
-        formatter.dateFormat = "dd-MM-yyyy"
-        let dateString = formatter.string(from: Date())
-        let fileName = "\(dateString).log"
-        
-        // Full path in app group container
-        self.logFileURL = directory?.appendingPathComponent(fileName)
-    }
-    
-    
-    /// Writes a specified string to the log file.
-    func writeToFile(string: String) {
-        guard let logFileURL = logFileURL else { return }
-        
-        let formatter = DateFormatter()
-        formatter.dateFormat = "HH:mm:ss"
-        let timestamp = formatter.string(from: Date())
-        guard let data = (timestamp + " - " + string + "\n").data(using: .utf8) else { return }
-
-        loggerQueue.async {
-            let fileManager = FileManager.default
-            
-            if !fileManager.fileExists(atPath: logFileURL.path) {
-                // Clean up older logs
-                self.deleteLogs()
-                // Create file atomically
-                try? data.write(to: logFileURL, options: .atomicWrite)
-                return
-            }
-
-            // Atomic append with file locking using FileHandle
-            do {
-                let fileHandle = try FileHandle(forWritingTo: logFileURL)
-                defer { try? fileHandle.close() }
-
-                // Locking is handled by the serial dispatch queue
-                try fileHandle.seekToEnd()
-                try fileHandle.write(contentsOf: data)
-            } catch {
-                print("[Logger] Failed to write to log file: \(error.localizedDescription)")
-            }
-        }
-    }
-    
-    
-    /// Gets the contents of the log file.
-    func getLogString() -> String {
-        guard let logFileURL = logFileURL else { return "" }
-        do {
-            return try String(contentsOf: logFileURL, encoding: .utf8)
-        } catch {
-            log("[LUI] Error reading file: \(error.localizedDescription)")
-            return ""
-        }
-    }
-    
-    
-    /// Deletes all log files in the shared container.
-    func deleteLogs() {
-        log("[LUI] Deleting all logs...")
-        
-        guard let directory = AppGroup.appGroupDirectory else { return }
-        let fileManager = FileManager.default
-        
-        guard let allFiles = try? fileManager.contentsOfDirectory(at: directory, includingPropertiesForKeys: nil) else {
-            return
-        }
-        
-        let logFiles = allFiles.filter { $0.pathExtension == "log" }
-        for file in logFiles {
-            do {
-                log("[LUI] Removing \(file.lastPathComponent)")
-                try fileManager.removeItem(at: file)
-            } catch {
-                print("[Logger] Failed to delete file: \(error.localizedDescription)")
-            }
-        }
-    }
-}
-
-
-/// Logs a specified string
-public func log(_ text: String) {
-    let logger = LogManager.sharedInstance
-    
-    if logger.loggingEnabled {
-        loggerQueue.async {
-            print(text)
-#if !os(tvOS)
-            let isAppExtension = Bundle.main.bundlePath.hasSuffix(".appex")
-            let prefix = isAppExtension ? "[EXT]" : "[APP]"
-            logger.writeToFile(string: "\(prefix) \(text)")
-#endif
-        }
-    }
-}

NearbyShare/Util/SaveFilesManager.swift

@@ -1,259 +0,0 @@
-//
-//  SaveFilesManager.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 26.07.25.
-//
-
-import Foundation
-import ImageIO
-#if os(macOS)
-import AppKit
-#else
-import LUI
-import UIKit
-#endif
-
-public class SaveFilesManager {
-    
-    private init() {
-        // remove old temp directory
-        
-        let tempPath = FileManager.default.temporaryDirectory
-        let fileManager = FileManager.default
-
-         do {
-             let contents = try fileManager.contentsOfDirectory(at: tempPath, includingPropertiesForKeys: nil)
-             
-             var didSomething = false
-             
-             for item in contents {
-                 didSomething = true
-                 try fileManager.removeItem(at: item)
-             }
-             
-             if didSomething {
-                 log("[SaveFilesManager] Temporary directory cleared.")
-             }
-         } catch {
-             log("[SaveFilesManager] Failed to list contents of temp directory: \(error)")
-         }
-    }
-
-    public static let shared = SaveFilesManager()
-
-    let tempDirectory: URL = FileManager.default.temporaryDirectory.appendingPathComponent("Pending")
-    private var securityScopeUrl: URL?
-
-    private var filesFinishedDownloading = [URL]()
-    private var filesFinishedDownloadingSinceLastRun = [URL]()
-    
-    public func registerFileFinishedDownloading(_ fileURL: URL) {
-        filesFinishedDownloading.append(fileURL)
-        filesFinishedDownloadingSinceLastRun.append(fileURL)
-        
-        // read out EXIF timestamp and manually set file creation date to it
-        applyEXIFTimestamps(at: fileURL)
-    }
-    
-    
-    public func movePendingFilesToTarget() {
-
-        if isPlusVersion() {
-            do {
-                let fileManager = FileManager.default
-                let files = try fileManager.contentsOfDirectory(at: tempDirectory, includingPropertiesForKeys: nil)
-                
-                let target = getSaveDirectory()
-                var loggedExecution = false
-                
-                for file in files {
-                    
-                    if !loggedExecution {
-                        log("[SaveFilesManager] Moving pending files to target directory")
-                        loggedExecution = true
-                    }
-                    
-                    let fileName = file.lastPathComponent
-                    let destinationURL = target.appendingPathComponent(fileName)
-                    
-                    if !filesFinishedDownloading.contains(destinationURL) {
-                        log("[SaveFilesManager] File \(file) not finished downloading, skipping")
-                        continue
-                    }
-                    
-                    log("[SaveFilesManager] Moving file: \(file.lastPathComponent) to \(destinationURL.lastPathComponent)")
-                    
-                    do {
-                        try fileManager.copyItem(at: file, to: destinationURL)
-                        
-                        let progress = Progress()
-                        progress.fileURL = destinationURL
-                        progress.totalUnitCount = 10
-                        progress.kind = .file
-                        progress.isPausable = false
-                        #if os(macOS)
-                        progress.publish()
-                        #endif
-                        
-                        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
-                            progress.completedUnitCount = 10
-                            #if os(macOS)
-                            progress.unpublish()
-                            #endif
-                        }
-                        
-                        try fileManager.removeItem(at: file)
-                    }
-                    catch {
-                        log("[SaveFilesManager] Error moving file: \(error)")
-                    }
-                }
-                log("[SaveFilesManager] Moved all pending files to target directory")
-            }
-            catch {
-                // Pending directory doesn't exist or is empty
-            }
-        }
-        
-        if !filesFinishedDownloadingSinceLastRun.isEmpty && !isFileTransferRestricted() {
-            
-            #if os(macOS)
-            if UserDefaults.standard.bool(forKey: UserDefaultsKeys.openFinderAfterReceiving.rawValue) {
-                log("[SaveFilesManager] Opening \(filesFinishedDownloadingSinceLastRun.count) file(s) in Finder.")
-                NSWorkspace.shared.activateFileViewerSelecting(filesFinishedDownloadingSinceLastRun)
-            }
-            #else
-                openDownloadedFilesFolder()
-            #endif
-            
-            // Clear the list of finished files
-            filesFinishedDownloadingSinceLastRun.removeAll()
-        }
-
-        stopAccessingSecurityScopedResource()
-    }
-    
-    
-    #if !os(macOS)
-    public func openDownloadedFilesFolder() {
-        #if !EXTENSION
-        let documentsUrl = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first
-    
-        if let documentsUrl = documentsUrl, let sharedUrl = URL(string: "shareddocuments://\(documentsUrl.path)"), UIApplication.shared.canOpenURL(sharedUrl) {
-            UIApplication.shared.open(sharedUrl, options: [:])
-        }
-        else {
-            showAlert(title: "CouldNotOpenDocumentsFolder", message: "CouldNotOpenDocumentsFolderDescription")
-        }
-        #endif
-    }
-    #endif
-    
-
-    public func stopAccessingSecurityScopedResource() {
-        guard let url = securityScopeUrl else {
-            return
-        }
-
-        log("[SaveFilesManager] Stopping access to security scoped resource: \(url)")
-        url.stopAccessingSecurityScopedResource()
-        securityScopeUrl = nil
-    }
-
-    
-    public func getSaveDirectory() -> URL {
-        
-        // Not supported on iOS
-        #if os(macOS)
-        if let securityScopeUrl = securityScopeUrl {
-            log("[SaveFilesManager] Using existing security scope URL: \(securityScopeUrl)")
-            return securityScopeUrl
-        }
-
-        if let bookmarkData = UserDefaults.standard.data(forKey: UserDefaultsKeys.saveFolderBookmark.rawValue) {
-            var isStale = false
-   
-            do {
-                let url = try URL(resolvingBookmarkData: bookmarkData, options: .withSecurityScope, relativeTo: nil, bookmarkDataIsStale: &isStale)
-
-                if !isStale {
-                    if url.startAccessingSecurityScopedResource() {
-                        log("[SaveFilesManager] Successfully accessed security scoped resource: \(url)")
-
-                        securityScopeUrl = url
-                        return url
-                    }
-                } else {
-                    log("[SaveFilesManager] Bookmark is stale, using default downloads folder.")
-                }
-
-            } catch {
-                log("[SaveFilesManager] Failed to resolve bookmark: \(error), using default downloads folder.")
-            }
-        }
-
-        do {
-            return try FileManager.default.url(for: .downloadsDirectory, in: .userDomainMask, appropriateFor: nil, create: true).resolvingSymlinksInPath()
-        } catch {
-            fatalError("[SaveFilesManager] Failed to get downloads directory: \(error)")
-        }
-        #else
-        // Return the documents directory for iOS
-        do {
-            return try FileManager.default.url(for: .documentDirectory, in: .userDomainMask, appropriateFor: nil, create: true).resolvingSymlinksInPath()
-        } catch {
-            fatalError("Failed to get documents directory: \(error)")
-        }
-        #endif
-    }
-    
-    
-    /// Returns the EXIF original date of an image file, adjusted to the current time zone.
-    private func exifOriginalDate(from url: URL) -> Date? {
-        guard let imageSource = CGImageSourceCreateWithURL(url as CFURL, nil),
-              let properties = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nil) as? [CFString: Any],
-              let exif = properties[kCGImagePropertyExifDictionary] as? [CFString: Any],
-              let dateString = exif[kCGImagePropertyExifDateTimeOriginal] as? String
-        else {
-            return nil
-        }
-
-        let formatter = DateFormatter()
-        formatter.dateFormat = "yyyy:MM:dd HH:mm:ss"
-        formatter.timeZone = TimeZone.current  // Use the current device time zone
-        return formatter.date(from: dateString)
-    }
-
-    
-    /// Applies EXIF timestamps to a given file or directory.
-    private func applyEXIFTimestamps(at url: URL) {
-        let fm = FileManager.default
-        var isDir: ObjCBool = false
-        guard fm.fileExists(atPath: url.path, isDirectory: &isDir) else { return }
-        
-        if isDir.boolValue {
-            // It's a directory — enumerate files
-            if let enumerator = fm.enumerator(at: url, includingPropertiesForKeys: [.isRegularFileKey]) {
-                for case let fileURL as URL in enumerator {
-                    guard (try? fileURL.resourceValues(forKeys: [.isRegularFileKey]))?.isRegularFile == true else { continue }
-                    applyEXIFTimestamp(to: fileURL)
-                }
-            }
-        } else {
-            // It's a single file
-            applyEXIFTimestamp(to: url)
-        }
-    }
-    
-    
-    /// Applies EXIF timestamp (if available) to a single file
-    private func applyEXIFTimestamp(to fileURL: URL) {
-        guard let exifDate = exifOriginalDate(from: fileURL) else {
-            return
-        }
-
-        // Set the "creation date"
-        try? FileManager.default.setAttributes([.creationDate: exifDate], ofItemAtPath: fileURL.path)
-    }
-}

NearbyShare/Util/SleepManager.swift

@@ -13,6 +13,7 @@ import IOKit.pwr_mgt
 #elseif os(iOS)
 import UIKit
 #endif
+import LUI
 
 class SleepManager {
     public static let shared = SleepManager()

NearbyShare/Util/Zip.swift

@@ -6,63 +6,43 @@
 //
 
 import Foundation
+import ZIPFoundation
 
-class Zip {
+final class Zip {
 
-    static func createAtTemporaryDirectory(zipFilename: String, zipExtension: String = "zip", fromDirectory directoryURL: URL) throws -> URL {
+    static func createAtTemporaryDirectory(
+        zipFilename: String,
+        zipExtension: String = "zip",
+        fromDirectory directoryURL: URL
+    ) throws -> URL {
 
-        let finalURL = FileManager.default.temporaryDirectory
+        guard directoryURL.isDirectory else { throw CreateZipError.urlNotADirectory(directoryURL) }
+
+        let zipFinalURL = FileManager.default.temporaryDirectory
             .appendingPathComponent(zipFilename)
             .appendingPathExtension(zipExtension)
 
-        return try createAt(
+        if FileManager.default.fileExists(atPath: zipFinalURL.path) {
-            zipFinalURL: finalURL,
+            try FileManager.default.removeItem(at: zipFinalURL)
-            fromDirectory: directoryURL
+        }
+
+        try FileManager.default.zipItem(
+            at: directoryURL,
+            to: zipFinalURL,
+            shouldKeepParent: true,
+            compressionMethod: .deflate
         )
-    }
-
-    
-    static func createAt(zipFinalURL: URL, fromDirectory directoryURL: URL) throws -> URL {
-        
-        guard directoryURL.isDirectory else {
-            throw CreateZipError.urlNotADirectory(directoryURL)
-        }
-        
-        var fileManagerError: Swift.Error?
-        var coordinatorError: NSError?
-        let coordinator = NSFileCoordinator()
-        
-        coordinator.coordinate(readingItemAt: directoryURL, options: .forUploading, error: &coordinatorError) { zipCreatedURL in
-            do {
-                // clean if file exists
-                if FileManager.default.fileExists(atPath: zipFinalURL.path) {
-                    try FileManager.default.removeItem(at: zipFinalURL)
-                }
-
-                try FileManager.default.moveItem(at: zipCreatedURL, to: zipFinalURL)
-                
-            } catch {
-                fileManagerError = error
-            }
-        }
-        
-        if let error = coordinatorError ?? fileManagerError {
-            throw CreateZipError.failedToCreateZIP(error)
-        }
 
         return zipFinalURL
     }
     
-    
+    enum CreateZipError: Error {
-    enum CreateZipError: Swift.Error {
         case urlNotADirectory(URL)
-        case failedToCreateZIP(Swift.Error)
     }
 }
 
-
+private extension URL {
-extension URL {
     var isDirectory: Bool {
-       (try? resourceValues(forKeys: [.isDirectoryKey]))?.isDirectory == true
+        (try? resourceValues(forKeys: [.isDirectoryKey]))?.isDirectory == true
     }
 }

QuickDrop copy-Info.plist

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleURLTypes</key>
+	<array>
+		<dict>
+			<key>CFBundleTypeRole</key>
+			<string>Editor</string>
+			<key>CFBundleURLName</key>
+			<string>com.leonboettger.neardrop</string>
+			<key>CFBundleURLSchemes</key>
+			<array>
+				<string>quickdrop</string>
+			</array>
+		</dict>
+	</array>
+	<key>UIDesignRequiresCompatibility</key>
+	<true/>
+</dict>
+</plist>

QuickDrop.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "212cf044c2b0bab89578ca93a3666a656e0c44fb54a69f813c4cc4fae07827d7",
+  "originHash" : "85c9b997510f22b553d79f68fb6d51d149ac9324df643dbf1475023b39da33b3",
   "pins" : [
     {
       "identity" : "applewatchscreensize",
@@ -33,8 +33,17 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/leif-ibsen/BigInt",
       "state" : {
-        "revision" : "afb70a0038bfbba845271b60fa9a58d5840f8017",
+        "revision" : "8c6f93aa37504b7b1ba3954335b5548a19fbbd82",
-        "version" : "1.21.0"
+        "version" : "1.22.0"
+      }
+    },
+    {
+      "identity" : "devicekit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/devicekit/DeviceKit",
+      "state" : {
+        "revision" : "581df61650bc457ec00373a592a84be3e7468eb1",
+        "version" : "5.7.0"
       }
     },
     {
@@ -43,7 +52,7 @@
       "location" : "https://github.com/leonboe1/LUI.git",
       "state" : {
         "branch" : "main",
-        "revision" : "5b2fe7161069c2314c5be17810ec7471b9decc8a"
+        "revision" : "19b90ffd9778db54391501f0ba1319e0a1c12b1f"
       }
     },
     {
@@ -55,15 +64,6 @@
         "version" : "26.10.0"
       }
     },
-    {
-      "identity" : "rndevicename",
-      "kind" : "remoteSourceControl",
-      "location" : "https://github.com/souzainf3/RNDeviceName",
-      "state" : {
-        "revision" : "68ada02a7135381425b01778aeb8719ce3bf8f62",
-        "version" : "2.1.0"
-      }
-    },
     {
       "identity" : "swift-cross-kit-types",
       "kind" : "remoteSourceControl",
@@ -87,8 +87,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-protobuf.git",
       "state" : {
-        "revision" : "e3f69fd321d0c9fcdc16fb576a0cdd956675face",
+        "revision" : "c169a5744230951031770e27e475ff6eefe51f9d",
-        "version" : "1.31.0"
+        "version" : "1.33.3"
       }
     },
     {
@@ -124,7 +124,16 @@
       "location" : "https://github.com/siteline/swiftui-introspect",
       "state" : {
         "branch" : "main",
-        "revision" : "9bedf1e79c7b7c34b35b74bef126f56d2400ef7f"
+        "revision" : "b10fc8a284abb9bd908d77243d2ba3b3d8ea6ebc"
+      }
+    },
+    {
+      "identity" : "zipfoundation",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/weichsel/ZIPFoundation.git",
+      "state" : {
+        "revision" : "22787ffb59de99e5dc1fbfe80b19c97a904ad48d",
+        "version" : "0.9.20"
       }
     }
   ],

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDrop.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1640"
+   LastUpgradeVersion = "2600"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -34,6 +34,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = "de"
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDropGitHub.xcscheme

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "2600"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "EB3B9EF02EF7150400D6704E"
+               BuildableName = "QuickDropGitHub.app"
+               BlueprintName = "QuickDropGitHub"
+               ReferencedContainer = "container:QuickDrop.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "EB3B9EF02EF7150400D6704E"
+            BuildableName = "QuickDropGitHub.app"
+            BlueprintName = "QuickDropGitHub"
+            ReferencedContainer = "container:QuickDrop.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "EB3B9EF02EF7150400D6704E"
+            BuildableName = "QuickDropGitHub.app"
+            BlueprintName = "QuickDropGitHub"
+            ReferencedContainer = "container:QuickDrop.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDropShareExtensionGitHub.xcscheme

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "2600"
+   version = "2.0">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "EB3B9F4A2EF7151900D6704E"
+               BuildableName = "QuickDropShareExtensionGitHub.appex"
+               BlueprintName = "QuickDropShareExtensionGitHub"
+               ReferencedContainer = "container:QuickDrop.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = ""
+      selectedLauncherIdentifier = "Xcode.IDEFoundation.Launcher.PosixSpawn"
+      launchStyle = "0"
+      askForAppToLaunch = "Yes"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES"
+      launchAutomaticallySubstyle = "2">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES"
+      askForAppToLaunch = "Yes"
+      launchAutomaticallySubstyle = "2">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "EB3B9F4A2EF7151900D6704E"
+            BuildableName = "QuickDropShareExtensionGitHub.appex"
+            BlueprintName = "QuickDropShareExtensionGitHub"
+            ReferencedContainer = "container:QuickDrop.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

QuickDrop.xcodeproj/xcshareddata/xcschemes/QuickDropiOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1640"
+   LastUpgradeVersion = "2600"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -50,6 +50,9 @@
             ReferencedContainer = "container:QuickDrop.xcodeproj">
          </BuildableReference>
       </BuildableProductRunnable>
+      <StoreKitConfigurationFileReference
+         identifier = "../../ConfigSynced.storekit">
+      </StoreKitConfigurationFileReference>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

QuickDrop.xcodeproj/xcshareddata/xcschemes/ShareExtension.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1640"
+   LastUpgradeVersion = "2600"
    wasCreatedForAppExtension = "YES"
    version = "2.0">
    <BuildAction

QuickDrop.xcodeproj/xcshareddata/xcschemes/iOSShareExtension.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1640"
+   LastUpgradeVersion = "2600"
    wasCreatedForAppExtension = "YES"
    version = "2.0">
    <BuildAction

QuickDrop/AppDelegate.swift

@@ -12,6 +12,7 @@ import Network
 import StoreKit
 import SwiftUI
 import UserNotifications
+import LUI
 
 @main
 class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDelegate, NSWindowDelegate {
@@ -19,6 +20,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     private var statusItem: NSStatusItem?
 
     var welcomeWindow: NSWindow?
+    var introductionWindow: NSWindow?
     var plusWindow: NSWindow?
     
     private var sheetView: NSPanel? = nil
@@ -34,30 +36,38 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     
     // MARK: NSApplicationDelegate functions
     
+    func applicationWillFinishLaunching(_: Notification) {
+        LUIInit(configuration: configuration)
+    }
+    
+    
     func applicationDidFinishLaunching(_: Notification) {
+        
         let menu = NSMenu()
 
         let visibleItem = NSMenuItem(
-            title: "VisibleToEveryone".localized(),
+            title: getDefaultVisibleLabel(),
             action: nil,
             keyEquivalent: ""
         )
         self.visibleItem = visibleItem
         menu.addItem(visibleItem)
 
-        menu.addItem(withTitle: String(format: "DeviceName".localized(), arguments: [Host.current().localizedName ?? "Mac"]), action: nil, keyEquivalent: "")
-
         menu.addItem(NSMenuItem.separator())
 
         let sendClipboardItem = NSMenuItem(title: "SendClipboard".localized(), action: #selector(sendClipboard), keyEquivalent: "")
+        sendClipboardItem.image = NSImage(systemSymbolName: "doc.on.clipboard", accessibilityDescription: nil)
         menu.addItem(sendClipboardItem)
 
         menu.addItem(NSMenuItem.separator())
 
-        let userManualItem = NSMenuItem(title: "UserManual".localized(), action: #selector(openWelcomeScreen), keyEquivalent: "")
+        let userManualItem = NSMenuItem(title: "UserManual".localized(), action: #selector(openApplicableScreen), keyEquivalent: "")
+        userManualItem.image = NSImage(systemSymbolName: "gear", accessibilityDescription: nil)
         menu.addItem(userManualItem)
 
-        menu.addItem(withTitle: "Quit".localized(), action: #selector(NSApplication.terminate(_:)), keyEquivalent: "")
+        let quitItem = NSMenuItem(title: "Quit".localized(), action: #selector(NSApplication.terminate(_:)), keyEquivalent: "")
+        quitItem.image = NSImage(systemSymbolName: "xmark", accessibilityDescription: nil)
+        menu.addItem(quitItem)
 
         statusItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
         statusItem?.button?.image = NSImage(named: "MenuBarIcon")
@@ -65,40 +75,64 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         statusItem?.behavior = .removalAllowed
 
         iapManager = IAPManager.sharedInstance
-        iapManager?.startObserving()
-        
-        log("[AppDelegate] Downloaded directly: \(DistributionDetector.isDirectDistributionEnabled)")
 
         // app did not lauch before
-        if !UserDefaults.standard.bool(forKey: UserDefaultsKeys.appLaunchedBefore.rawValue) {
+        if !Settings.shared.appLaunchedBefore {
             log("[AppDelegate] Opening Welcome Screen")
             // open welcome screen
-            openWelcomeScreen()
+            openIntroductionWindow()
-            UserDefaults.standard.set(true, forKey: UserDefaultsKeys.appLaunchedBefore.rawValue)
             
             // user installed the app after the IAP was implemented, set the user as eligible for IAP
-            UserDefaults.standard.set(true, forKey: UserDefaultsKeys.isEligibleForIap.rawValue)
+            Settings.shared.isEligibleForIap = true
         } else {
             // app launched before
 
+            #if GITHUB
+            log("[AppDelegate] Downloaded from GitHub.")
+            #else
             // user installed the app before the IAP was implemented, grant the plus version
-            if !UserDefaults.standard.bool(forKey: UserDefaultsKeys.isEligibleForIap.rawValue) {
+            if !Settings.shared.isEligibleForIap {
                 log("[AppDelegate] Granting QuickDrop+ for old user")
-                UserDefaults.standard.set(true, forKey: UserDefaultsKeys.plusVersion.rawValue)
+                Settings.shared.gotPlus = true
+                UserDefaults.standard.set(true, forKey: Settings.UserDefaultsKeys.plusVersionLegacy.rawValue)
             } else {
-                if !isPlusVersion() {
+                if !fullVersion() {
                     log("[AppDelegate] New user - QuickDrop+ not available")
                 }
                 else {
                     log("[AppDelegate] QuickDrop+ available")
                 }
             }
+            #endif
 
             BezelNotification.show(messageText: "ReadyToReceive".localized(), icon: .receiveIcon)
+            
+            // only start receiving immediately for existing user, for new users we want to delay the permission prompt
+            startReceiving()
         }
 
         UNUserNotificationCenter.current().delegate = self
         
+        NearbyConnectionManager.shared.connectionUpdateCallback = { isConnected in
+            if isConnected {
+                self.statusItem?.button?.image = NSImage(named: "MenuBarIcon")
+                self.visibleItem?.title = self.getDefaultVisibleLabel()
+            }
+            else {
+                self.statusItem?.button?.image = NSImage(named: "MenuBarIconSlash")
+                self.visibleItem?.title = "NoNetworkConnection".localized()
+            }
+        }
+        
+        NearbyConnectionManager.shared.changedDeviceNameCallback = {
+            self.visibleItem?.title = self.getDefaultVisibleLabel()
+        }
+        
+        log("[AppDelegate] Application did finish launching")
+    }
+    
+    
+    func startReceiving() {
         receiveModel = ReceiveModel(controlPlusScreen: { shouldOpen in
             if shouldOpen {
                 self.openPlusScreen()
@@ -111,20 +145,6 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
                 }
             }
         })
-
-        
-        NearbyConnectionManager.shared.connectionUpdateCallback = { isConnected in
-            if isConnected {
-                self.statusItem?.button?.image = NSImage(named: "MenuBarIcon")
-                self.visibleItem?.title = "VisibleToEveryone".localized()
-            }
-            else {
-                self.statusItem?.button?.image = NSImage(named: "MenuBarIconSlash")
-                self.visibleItem?.title = "NoNetworkConnection".localized()
-            }
-        }
-        
-        log("Application did finish launching")
     }
     
     
@@ -138,12 +158,22 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     
     
     func applicationShouldHandleReopen(_: NSApplication, hasVisibleWindows _: Bool) -> Bool {
-        openWelcomeScreen()
+        self.openApplicableScreen()
         statusItem?.isVisible = true
         return true
     }
     
     
+    @objc func openApplicableScreen() {
+        if Settings.shared.appLaunchedBefore {
+            openMainWindow()
+        }
+        else {
+            openIntroductionWindow()
+        }
+    }
+    
+
     public func userNotificationCenter(_: UNUserNotificationCenter,
                                        willPresent _: UNNotification,
                                        withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
@@ -153,21 +183,25 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
 
     func applicationWillTerminate(_: Notification) {
         UNUserNotificationCenter.current().removeAllDeliveredNotifications()
-        iapManager?.stopObserving()
     }
     
     
     func application(_ application: NSApplication, open urls: [URL]) {
         for url in urls {
-            if url.scheme == "quickdrop", url.host == "sendLog" {
+            if url.scheme == "quickdrop" {
-                sendLoggingString() // this time it runs in the main app
-            }
                 
-            
+                switch url.host {
-            if url.scheme == "quickdrop", url.host == "openLog", let url = LogManager.sharedInstance.logFileURL {
+                    case "sendLog":
-                log("Opening log file: \(url)")
+                        sendLoggingString()
-                // open folder containing the log file
+                    case "openLog":
-                NSWorkspace.shared.activateFileViewerSelecting([url])
+                        if let url = LogManager.sharedInstance.logFileURL {
+                            NSWorkspace.shared.activateFileViewerSelecting([url])
+                        }
+                    case "removeData":
+                        Settings.shared.deleteAllUserDefaults()
+                    default:
+                        break
+                }
             }
         }
     }
@@ -191,13 +225,12 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
             }
         }
         else {
-            let sharingService = NSSharingService(named: NSSharingService.Name("com.leonboettger.neardrop.ShareExtension"))
+            sendToSharingService(items: [clipboardString])
-            sharingService?.perform(withItems: [clipboardString])
         }
     }
 
     
-    @objc func openWelcomeScreen() {
+    @objc func openMainWindow() {
         
         NSApp.setActivationPolicy(.regular)
         
@@ -218,7 +251,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         )
         
         welcomeWindow = NSWindow(
-            contentRect: NSRect(x: 0, y: 0, width: 400, height: 280),
+            contentRect: NSRect(x: 0, y: 0, width: WelcomeScreen.width, height: WelcomeScreen.height),
             styleMask: [.titled, .closable],
             backing: .buffered,
             defer: false
@@ -240,6 +273,49 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     }
 
     
+    @objc func openIntroductionWindow() {
+        
+        NSApp.setActivationPolicy(.regular)
+        
+        if let window = introductionWindow {
+            if window.isMiniaturized {
+                window.deminiaturize(nil)
+            }
+            NSApp.activate(ignoringOtherApps: true)
+            window.makeKeyAndOrderFront(nil)
+            return
+        }
+
+        let introductionView = IntroductionView(startReceiving: startReceiving) {
+            Settings.shared.appLaunchedBefore = true
+            self.introductionWindow?.close()
+            self.introductionWindow = nil
+            self.openMainWindow()
+        }
+
+        introductionWindow = NSWindow(
+            contentRect: NSRect(x: 0, y: 0, width: IntroductionView.width, height: IntroductionView.height),
+            styleMask: [.titled, .closable],
+            backing: .buffered,
+            defer: false
+        )
+
+        introductionWindow?.styleMask.insert(.fullSizeContentView)
+        introductionWindow?.titleVisibility = .hidden
+        introductionWindow?.titlebarAppearsTransparent = true
+
+        introductionWindow?.center()
+        introductionWindow?.isReleasedWhenClosed = false
+        introductionWindow?.setFrameAutosaveName("IntroductionScreen")
+        introductionWindow?.contentView = NSHostingView(rootView: introductionView)
+        introductionWindow?.delegate = self
+
+        NSApp.activate(ignoringOtherApps: true)
+        introductionWindow?.makeKeyAndOrderFront(nil)
+        introductionWindow?.level = .normal
+    }
+    
+    
     @objc func openPlusScreen() {
         // If window already exists and is visible, just bring it to the front
         if let window = plusWindow, window.isVisible {
@@ -252,11 +328,15 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
         log("Opening Plus screen")
 
         // Create the welcome screen SwiftUI view
-        let plusView = PlusView(closeView: {
+        let plusView = GetPlusViewV4(showSheet: Binding(get: { self.plusWindow != nil }, set: { newValue in
-            log("Closing plus screen")
+            if !newValue {
-            self.plusWindow?.close()
+                self.plusWindow?.close()
-            self.plusWindow = nil
+                self.plusWindow = nil
-        })
+            }
+        }), hasSheet: false)
+        
+        let plusViewWidth: CGFloat = 550
+        let plusViewHeight: CGFloat = 750
 
         // Create an NSWindow to host the SwiftUI view
         let window = NSWindow(
@@ -327,7 +407,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
     // MARK: - Helper Functions
     
     private func performDeviceToDeviceCheck() {
-        let scanner = DeviceToDeviceHeuristicScanner()
+        let scanner = DeviceToDeviceHeuristicScanner.shared
         scanner.scan { allowed in
             if allowed {
                 log("✅ Device-to-device likely allowed (peer responded on LAN).")
@@ -338,6 +418,12 @@ class AppDelegate: NSObject, NSApplicationDelegate, UNUserNotificationCenterDele
             }
         }
     }
+    
+    
+    private func getDefaultVisibleLabel() -> String {
+        let name = NearbyConnectionManager.shared.deviceInfo.name ?? "Unknown".localized()
+        return String(format: "VisibleAs".localized(), name)
+    }
 }
 
 struct TransferInfo {

QuickDrop/Assets.xcassets/AppIconHighRes.imageset/Contents.json

@@ -1,7 +1,7 @@
 {
   "images" : [
     {
-      "filename" : "1024-1024 1.png",
+      "filename" : "1024-1024 1 2.png",
       "idiom" : "universal",
       "scale" : "1x"
     },
@@ -12,15 +12,6 @@
     {
       "idiom" : "universal",
       "scale" : "3x"
-    },
-    {
-      "filename" : "1024-1024.png",
-      "idiom" : "mac",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "2x"
     }
   ],
   "info" : {

QuickDrop/Assets.xcassets/QuickDropMockup.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "filename" : "Plain.png",
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

QuickDrop/Assets.xcassets/iDroid.imageset/Contents.json

@@ -1,7 +1,7 @@
 {
   "images" : [
     {
-      "filename" : "FileTransfer Kopie-1024.png",
+      "filename" : "iDroidIcon-iOS-Default-1024x1024@1x.png",
       "idiom" : "universal",
       "scale" : "1x"
     },

QuickDrop/Info.plist

@@ -15,5 +15,7 @@
 			</array>
 		</dict>
 	</array>
+	<key>UIDesignRequiresCompatibility</key>
+	<true/>
 </dict>
 </plist>

QuickDrop/InfoPlist.xcstrings

@@ -0,0 +1,742 @@
+{
+  "sourceLanguage" : "en",
+  "strings" : {
+    "CFBundleDisplayName" : {
+      "comment" : "Bundle display name",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "QuickDrop"
+          }
+        }
+      }
+    },
+    "CFBundleName" : {
+      "comment" : "Bundle name",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "QuickDrop"
+          }
+        }
+      }
+    },
+    "NSHumanReadableCopyright" : {
+      "comment" : "Copyright (human-readable)",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : ""
+          }
+        }
+      }
+    },
+    "NSLocalNetworkUsageDescription" : {
+      "comment" : "Privacy - Local Network Usage Description",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "الوصول إلى الشبكة المحلية ضروري لاكتشاف الأجهزة ونقل الملفات عبر شبكة الواي فاي الخاصة بك."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cal accedir a la xarxa local per detectar dispositius i transferir fitxers a través de la teva xarxa Wi-Fi."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Přístup k místní síti je potřebný k detekci zařízení a přenosu souborů přes vaši Wi-Fi síť."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Adgang til det lokale netværk er nødvendig for at finde enheder og overføre filer via dit Wi-Fi-netværk."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Zugriff auf das lokale Netzwerk wird benötigt, um Geräte zu erkennen und Dateien über dein WLAN zu übertragen."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Η πρόσβαση στο τοπικό δίκτυο απαιτείται για να εντοπιστούν συσκευές και να μεταφερθούν αρχεία μέσω του Wi-Fi σας."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Local network access is needed to detect devices and transfer files over your Wi-Fi network."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Local network access is needed to detect devices and transfer files over your Wi-Fi network."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Local network access is needed to detect devices and transfer files over your Wi-Fi network."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Local network access is needed to detect devices and transfer files over your Wi-Fi network."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Se necesita acceso a la red local para detectar dispositivos y transferir archivos por tu red Wi-Fi."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Se necesita acceso a la red local para detectar dispositivos y transferir archivos por tu red Wi-Fi."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Paikallisverkon käyttöä tarvitaan laitteiden havaitsemiseen ja tiedostojen siirtämiseen Wi-Fi-verkossasi."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L’accès au réseau local est nécessaire pour détecter les appareils et transférer des fichiers via votre réseau Wi-Fi."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L’accès au réseau local est nécessaire pour détecter des appareils et transférer des fichiers via votre réseau Wi-Fi."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "נדרש גישה לרשת המקומית כדי לאתר מכשירים ולהעביר קבצים דרך רשת ה-Wi-Fi שלך."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "स्थानीय नेटवर्क एक्सेस आवश्यक है ताकि डिवाइसों का पता लगाया जा सके और आपकी वाई-फाई नेटवर्क पर फ़ाइलें भेजी जा सकें।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Pristup lokalnoj mreži potreban je za otkrivanje uređaja i prijenos datoteka preko vaše Wi-Fi mreže."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A helyi hálózati hozzáférés szükséges az eszközök felismeréséhez és a fájlok Wi-Fi-hálózaton keresztüli átviteléhez."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Akses jaringan lokal diperlukan untuk mendeteksi perangkat dan mengirim file melalui jaringan Wi-Fi Anda."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L'accesso alla rete locale è necessario per rilevare dispositivi e trasferire file tramite la tua rete Wi-Fi."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Wi-Fiネットワーク上でデバイスを検出し、ファイルを転送するためにローカルネットワークへのアクセスが必要です。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "로컬 네트워크에 접근해야 기기를 감지하고 Wi-Fi 네트워크를 통해 파일을 전송할 수 있습니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Akses rangkaian tempatan diperlukan untuk mengesan peranti dan memindahkan fail melalui rangkaian Wi-Fi anda."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Tilgang til lokalt nettverk er nødvendig for å finne enheter og overføre filer via Wi-Fi-nettverket ditt."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Toegang tot het lokale netwerk is nodig om apparaten te detecteren en bestanden via je wifi-netwerk te versturen."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Dostęp do sieci lokalnej jest potrzebny, aby wykrywać urządzenia i przesyłać pliki przez twoją sieć Wi-Fi."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O acesso à rede local é necessário para detectar dispositivos e transferir arquivos pela sua rede Wi-Fi."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "O acesso à rede local é necessário para detetar dispositivos e transferir ficheiros pela sua rede Wi-Fi."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Accesul la rețeaua locală este necesar pentru a detecta dispozitivele și a transfera fișiere prin rețeaua Wi-Fi."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Доступ к локальной сети необходим для обнаружения устройств и передачи файлов по вашей Wi-Fi сети."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Åtkomst till det lokala nätverket krävs för att hitta enheter och överföra filer via ditt Wi-Fi-nätverk."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "จำเป็นต้องเข้าถึงเครือข่ายท้องถิ่นเพื่อค้นหาอุปกรณ์และรับส่งไฟล์ผ่านเครือข่าย Wi-Fi ของคุณ"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cihazları tespit etmek ve dosyaları Wi-Fi ağınız üzerinden aktarmak için yerel ağ erişimi gereklidir."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Доступ до локальної мережі потрібен для виявлення пристроїв і передавання файлів через вашу Wi-Fi мережу."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Cần quyền truy cập mạng nội bộ để phát hiện thiết bị và truyền tệp qua mạng Wi-Fi của bạn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "需要本地网络访问权限，以便检测设备并通过您的 Wi-Fi 网络传输文件。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "需要本地網路存取權以偵測裝置及透過 Wi-Fi 網路傳輸檔案。"
+          }
+        }
+      }
+    },
+    "NSPhotoLibraryAddUsageDescription" : {
+      "comment" : "Privacy - Photo Library Additions Usage Description",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "إذن إضافة الصور مطلوب لحفظ الصور والفيديوهات المستلمة في مكتبة الصور الخاصة بك."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Es necessita permís per afegir fotos per desar les fotos i vídeos rebuts a la teva biblioteca de fotos."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Oprávnění pro přidání fotek je nutné pro ukládání přijatých fotografií a videí do vaší fotogalerie."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Tilladelse til at tilføje fotos er påkrævet for at gemme modtagne billeder og videoer i dit fotobibliotek."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Die Berechtigung „Fotos hinzufügen“ wird benötigt, um empfangene Fotos und Videos in deiner Fotomediathek zu speichern."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Η άδεια προσθήκης φωτογραφιών απαιτείται για την αποθήκευση ληφθέντων φωτογραφιών και βίντεο στη βιβλιοθήκη φωτογραφιών σας."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The add photos permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The add photos permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The add photos permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The add photos permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Se necesita el permiso para añadir fotos para guardar las fotos y videos recibidos en tu biblioteca de fotos."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "El permiso para agregar fotos es necesario para guardar las fotos y videos recibidos en tu galería."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Valokuvat-lisäysoikeus vaaditaan, jotta vastaanotetut kuvat ja videot voidaan tallentaa kuvakirjastoosi."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L'autorisation d’ajouter des photos est nécessaire pour enregistrer les photos et vidéos reçues dans votre photothèque."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "La permission d’ajouter des photos est requise pour enregistrer les photos et vidéos reçues dans votre galerie."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "נדרשת הרשאת הוספת תמונות כדי לשמור תמונות וסרטונים שהתקבלו בספריית התמונות שלך."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "प्राप्त फ़ोटो और वीडियो को आपकी फ़ोटो लाइब्रेरी में सहेजने के लिए फ़ोटो जोड़ने की अनुमति आवश्यक है।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Dopuštenje za dodavanje fotografija potrebno je za spremanje primljenih fotografija i videozapisa u vašu galeriju."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A fotók hozzáadási engedélye szükséges az átvett fotók és videók mentéséhez a fotótárba."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Izin menambah foto diperlukan untuk menyimpan foto dan video yang diterima ke perpustakaan foto Anda."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Il permesso di aggiungere foto è necessario per salvare foto e video ricevuti nella tua libreria fotografica."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "受信した写真や動画を写真ライブラリに保存するために、写真追加の許可が必要です。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "사진 및 동영상 저장을 위해 사진 추가 권한이 필요합니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Kebenaran tambah foto diperlukan untuk menyimpan foto dan video yang diterima ke dalam pustaka foto anda."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Tillatelse til å legge til bilder er nødvendig for å lagre mottatte bilder og videoer i bildebiblioteket ditt."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "De machtiging om foto's toe te voegen is nodig om ontvangen foto's en video's op te slaan in je fotobibliotheek."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Uprawnienie do dodawania zdjęć jest wymagane, aby zapisywać odebrane zdjęcia i filmy w Twojej galerii."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A permissão para adicionar fotos é necessária para salvar fotos e vídeos recebidos na sua galeria."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A permissão para adicionar fotos é necessária para guardar fotos e vídeos recebidos na sua biblioteca de fotos."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Permisiunea de a adăuga fotografii este necesară pentru a salva pozele și videoclipurile primite în librăria foto."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Необходимо разрешение на добавление фото, чтобы сохранять полученные фото и видео в вашу фототеку."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Behörigheten att lägga till foton krävs för att spara mottagna bilder och videor till ditt fotobibliotek."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "จำเป็นต้องอนุญาตการเพิ่มรูปภาพเพื่อบันทึกรูปภาพและวิดีโอที่ได้รับลงในคลังรูปภาพของคุณ"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Alınan fotoğraf ve videoları fotoğraf arşivinize kaydetmek için fotoğraf ekleme izni gereklidir."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Дозвіл на додавання фото потрібен для збереження отриманих фото й відео у вашій фотогалереї."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Quyền thêm ảnh cần thiết để lưu ảnh và video nhận được vào thư viện ảnh của bạn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "添加照片权限用于将接收的照片和视频保存到您的相册。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "需要新增相片權限才能將接收的相片和影片儲存到您的相簿。"
+          }
+        }
+      }
+    },
+    "NSPhotoLibraryUsageDescription" : {
+      "comment" : "Privacy - Photo Library Usage Description",
+      "extractionState" : "extracted_with_value",
+      "localizations" : {
+        "ar" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "إذن الوصول إلى مكتبة الصور مطلوب لحفظ الصور ومقاطع الفيديو المستلمة في مكتبة الصور الخاصة بك."
+          }
+        },
+        "ca" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Es necessita el permís de la biblioteca de fotos per desar les fotos i vídeos rebuts a la teva biblioteca."
+          }
+        },
+        "cs" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Oprávnění k fotoknihovně je nutné pro ukládání přijatých fotek a videí do vaší fotoknihovny."
+          }
+        },
+        "da" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Tilladelse til foto­bibliotek er påkrævet for at gemme modtagne fotos og videoer i dit foto­bibliotek."
+          }
+        },
+        "de" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Die Berechtigung für die Fotomediathek ist erforderlich, um empfangene Fotos und Videos in deiner Mediathek zu speichern."
+          }
+        },
+        "el" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Η άδεια πρόσβασης στη βιβλιοθήκη φωτογραφιών απαιτείται για να αποθηκεύετε τις ληφθείσες φωτογραφίες και βίντεο στη βιβλιοθήκη σας."
+          }
+        },
+        "en" : {
+          "stringUnit" : {
+            "state" : "new",
+            "value" : "The photo library permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "en-AU" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The photo library permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "en-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The photo library permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "en-GB" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "The photo library permission is required to save received photos and videos to your photo library."
+          }
+        },
+        "es" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Se requiere permiso para acceder a la fototeca y poder guardar fotos y videos recibidos."
+          }
+        },
+        "es-419" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "El permiso para la biblioteca de fotos es necesario para guardar fotos y videos recibidos en tu biblioteca."
+          }
+        },
+        "fi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Kuvakirjaston lupa vaaditaan, jotta vastaanotetut kuvat ja videot voidaan tallentaa kuvakirjastoosi."
+          }
+        },
+        "fr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L'autorisation d'accès à la photothèque est requise pour enregistrer les photos et vidéos reçues dans votre photothèque."
+          }
+        },
+        "fr-CA" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L’autorisation d’accéder à la photothèque est requise pour enregistrer les photos et vidéos reçues dans votre photothèque."
+          }
+        },
+        "he" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "נדרש אישור לספריית התמונות כדי לשמור תמונות וסרטונים שהתקבלו בספריית התמונות שלך."
+          }
+        },
+        "hi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "प्राप्त फ़ोटो और वीडियो को आपकी फोटो लाइब्रेरी में सहेजने के लिए फोटो लाइब्रेरी की अनुमति आवश्यक है।"
+          }
+        },
+        "hr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Dozvola za pristup fototeci potrebna je za spremanje primljenih fotografija i videozapisa u vašu fototeku."
+          }
+        },
+        "hu" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A fotókönyvtár engedélye szükséges az érkezett képek és videók mentéséhez a fotókönyvtárba."
+          }
+        },
+        "id" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Izin akses perpustakaan foto diperlukan untuk menyimpan foto dan video yang diterima ke perpustakaan foto Anda."
+          }
+        },
+        "it" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "L'autorizzazione alla libreria foto è necessaria per salvare foto e video ricevuti nella tua libreria."
+          }
+        },
+        "ja" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "受信した写真や動画を写真ライブラリに保存するために、写真ライブラリへのアクセス許可が必要です。"
+          }
+        },
+        "ko" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "사진 및 동영상 저장을 위해 사진 라이브러리 접근 권한이 필요합니다."
+          }
+        },
+        "ms" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Kebenaran perpustakaan foto diperlukan untuk menyimpan foto dan video yang diterima ke perpustakaan foto anda."
+          }
+        },
+        "nb" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Tillatelse til å bruke bildebiblioteket er nødvendig for å lagre mottatte bilder og videoer i bildebiblioteket ditt."
+          }
+        },
+        "nl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Toestemming voor de fotobibliotheek is vereist om ontvangen foto's en video's in je bibliotheek op te slaan."
+          }
+        },
+        "pl" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Uprawnienie do biblioteki zdjęć jest wymagane, aby zapisywać otrzymane zdjęcia i filmy w Twojej galerii."
+          }
+        },
+        "pt-BR" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A permissão da biblioteca de fotos é necessária para salvar fotos e vídeos recebidos na sua galeria."
+          }
+        },
+        "pt-PT" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "A permissão para aceder à biblioteca de fotos é necessária para guardar fotos e vídeos recebidos na sua biblioteca."
+          }
+        },
+        "ro" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Permisiunea pentru biblioteca foto este necesară pentru a salva fotografiile și videoclipurile primite în biblioteca ta foto."
+          }
+        },
+        "ru" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Разрешение на доступ к фотобиблиотеке нужно для сохранения полученных фото и видео в вашу фотогалерею."
+          }
+        },
+        "sv" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Behörighet till fotobiblioteket krävs för att spara mottagna bilder och videor i ditt fotobibliotek."
+          }
+        },
+        "th" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "ต้องอนุญาตเข้าถึงคลังรูปภาพเพื่อบันทึกรูปภาพและวิดีโอที่ได้รับไปยังคลังรูปภาพของคุณ"
+          }
+        },
+        "tr" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Alınan fotoğraf ve videoları fotoğraf galerine kaydetmek için fotoğraf galerisi izni gereklidir."
+          }
+        },
+        "uk" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Дозвіл на доступ до фототеки необхідний для збереження отриманих фото та відео у вашу фототеку."
+          }
+        },
+        "vi" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "Bạn cần cấp quyền truy cập thư viện ảnh để lưu ảnh và video nhận được vào thư viện ảnh của bạn."
+          }
+        },
+        "zh-Hans" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "需要照片库权限才能将接收的照片和视频保存到您的照片库。"
+          }
+        },
+        "zh-Hant" : {
+          "stringUnit" : {
+            "state" : "translated",
+            "value" : "需要相簿權限才能將接收的照片和影片儲存到您的相簿。"
+          }
+        }
+      }
+    }
+  },
+  "version" : "1.0"
+}

QuickDrop/Plus/Converter.swift

@@ -1,66 +0,0 @@
-//
-//  StoreChecker.swift
-//  LUI
-//
-//  Created by Leon Böttger on 19.08.24.
-//
-import StoreKit
-
-class IAPConverter: NSObject, SKRequestDelegate {
-    
-    let switchToIAPAfterAppVersion = "1.2"
-    
-    static let shared = IAPConverter()
-    
-    private override init() {
-        super.init()
-    }
-    
-    func restoreIAPfromPreviousPurchase(success: ((Bool) -> ())? = nil) {
-        Task {
-            do {
-                // Get the appTransaction.
-                
-                if #available(macOS 13.0, *) {
-                    let shared = try await AppTransaction.shared
-                    
-                    if case .verified(let appTransaction) = shared {
-                        
-                        let originalVersion = appTransaction.originalAppVersion
-                        let newModelVersion = switchToIAPAfterAppVersion
-                        log("[LUI] Original Purchased Version: \(originalVersion) | New Model Version: \(newModelVersion)")
-                        
-                        if originalVersion.compare(newModelVersion, options: .numeric) == .orderedAscending {
-                            grant(success: success)
-                            return
-                        }
-                    }
-                } else {
-                    // Fallback on earlier versions
-                    // Grant IAP, as we cannot check the original purchase date.
-                    DispatchQueue.main.async {
-                        log("[LUI] Cannot check version - Plus Version Granted!")
-                        success?(true)
-                    }
-                }
-            }
-            catch {
-                // Handle errors.
-                log("[LUI] Error: \(error.localizedDescription)")
-            }
-            
-            DispatchQueue.main.async {
-                log("[LUI] Plus Version Denied!")
-                success?(false)
-            }
-        }
-    }
-    
-    private func grant(success: ((Bool) -> ())? = nil) {
-        log("[LUI] Existing User - Plus Version Granted!")
-        
-        DispatchQueue.main.async {
-            success?(true)
-        }
-    }
-}

QuickDrop/Plus/DistributionDetector.swift

@@ -1,76 +0,0 @@
-//
-//  DistributionDetector.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 11.08.25.
-//
-
-import Security
-import Foundation
-
-class DistributionDetector {
-    
-    static var isDirectDistributionEnabled: Bool {
-        get {
-            #if os(macOS)
-            if let cached = _directDistributionCached {
-                return cached
-            }
-            
-            let result = isDirectDistribution()
-            self._directDistributionCached = result
-            
-            return result
-            #else
-            return false
-            #endif
-        }
-    }
-    
-    
-    static var _directDistributionCached: Bool? = nil
-    
-    #if os(macOS)
-    private static func isDirectDistribution() -> Bool {
-        // 1. Get dynamic code object for our process
-        var code: SecCode?
-        var status = SecCodeCopySelf([], &code)
-        guard status == errSecSuccess, let codeRef = code else {
-            log("[DistributionDetector] Could not get code object)")
-            return false
-        }
-        
-        // 2. Convert to static code object
-        var staticCode: SecStaticCode?
-        status = SecCodeCopyStaticCode(codeRef, [], &staticCode)
-        guard status == errSecSuccess, let staticCodeRef = staticCode else {
-            log("[DistributionDetector] Could not get static code object)")
-            return false
-        }
-        
-        // 3. Get signing info
-        var infoCF: CFDictionary?
-        status = SecCodeCopySigningInformation(staticCodeRef,
-                                               SecCSFlags(rawValue: kSecCSSigningInformation),
-                                               &infoCF)
-        guard status == errSecSuccess, let info = infoCF as? [String: Any] else {
-            log("[DistributionDetector] Could not get signing info")
-            return false
-        }
-        
-        // 4. Look at the first certificate's common name
-        if let certificates = info[kSecCodeInfoCertificates as String] as? [SecCertificate],
-           let firstCert = certificates.first {
-            var commonName: CFString?
-            status = SecCertificateCopyCommonName(firstCert, &commonName)
-            if status == errSecSuccess, let commonNameStr = commonName as String? {
-                if commonNameStr.contains("Developer ID Application") {
-                    return true
-                }
-            }
-        }
-        
-        return false
-    }
-    #endif
-}

QuickDrop/Plus/Helper.swift

@@ -1,191 +0,0 @@
-//
-//  PurchaseHelper.swift
-//  Loop
-//
-//  Created by Leon Böttger on 26.10.20.
-//  Copyright © 2020 Leon Böttger. All rights reserved.
-//
-
-import StoreKit
-
-let iapName = "plusversion"
-
-class IAPManager: NSObject, ObservableObject {
-    
-    enum IAPManagerError: Error {
-        case noProductIDsFound
-        case noProductsFound
-        case paymentWasCancelled
-        case productRequestFailed
-    }
-
-    static let plusVersionID = iapName
-    static let sharedInstance = IAPManager()
-    var onReceiveProductsHandler: ((Result<[SKProduct], IAPManagerError>) -> Void)?
-    var onBuyProductHandler: ((Result<Bool, Error>) -> Void)?
-    var totalRestoredPurchases = 0
-    var isActive = false
-
-    private override init() {
-        super.init()
-        getProducts { _ in }
-    }
-    
-    fileprivate func getProductIDs() -> [String]? {
-        return [IAPManager.plusVersionID]
-    }
-       
-    func startObserving() {
-        SKPaymentQueue.default().add(self)
-    }
-
-
-    func stopObserving() {
-        SKPaymentQueue.default().remove(self)
-    }
-    
-    
-    func canMakePayments() -> Bool {
-        return SKPaymentQueue.canMakePayments()
-    }
-
-    func getProducts(withHandler productsReceiveHandler: @escaping (_ result: Result<[SKProduct], IAPManagerError>) -> Void) {
-        // Keep the handler (closure) that will be called when requesting for
-        // products on the App Store is finished.
-        onReceiveProductsHandler = productsReceiveHandler
-
-        // Get the product identifiers.
-        guard let productIDs = getProductIDs() else {
-            productsReceiveHandler(.failure(.noProductIDsFound))
-            return
-        }
-
-        // Initialize a product request.
-        let request = SKProductsRequest(productIdentifiers: Set(productIDs))
-
-        // Set self as the its delegate.
-        request.delegate = self
-
-        // Make the request.
-        request.start()
-    }
-
-    func buy(product: SKProduct, withHandler handler: @escaping ((_ result: Result<Bool, Error>) -> Void)) {
-        let payment = SKPayment(product: product)
-        SKPaymentQueue.default().add(payment)
-
-        // Keep the completion handler.
-        onBuyProductHandler = handler
-    }
-    
-    
-    func restorePurchases(withHandler handler: @escaping ((_ result: Result<Bool, Error>) -> Void)) {
-        onBuyProductHandler = handler
-        totalRestoredPurchases = 0
-        SKPaymentQueue.default().restoreCompletedTransactions()
-    }
-}
-
-extension IAPManager: SKPaymentTransactionObserver {
-    func paymentQueue(_ queue: SKPaymentQueue, updatedTransactions transactions: [SKPaymentTransaction]) {
-        
-        log("IAP updatedTransactions")
-        
-        transactions.forEach { (transaction) in
-            
-            switch transaction.transactionState {
-            case .purchased:
-                log("IAP purchased")
-                onBuyProductHandler?(.success(true))
-                SKPaymentQueue.default().finishTransaction(transaction)
-                
-            case .restored:
-                log("IAP restored")
-                totalRestoredPurchases += 1
-                onBuyProductHandler?(.success(true))
-                SKPaymentQueue.default().finishTransaction(transaction)
-                
-            case .failed:
-                log("[LUI] IAP failed")
-                if let error = transaction.error as? SKError {
-                    if error.code != .paymentCancelled {
-                        onBuyProductHandler?(.failure(error))
-                    } else {
-                        onBuyProductHandler?(.failure(IAPManagerError.paymentWasCancelled))
-                    }
-                    log("[LUI] IAP Error:" + error.localizedDescription)
-                }
-                onBuyProductHandler?(.failure(transaction.error ?? IAPManagerError.productRequestFailed))
-                SKPaymentQueue.default().finishTransaction(transaction)
-                
-            case .deferred, .purchasing: log("[LUI] other cases")
-            @unknown default: log("[LUI] other default cases")
-            }
-        }
-    }
-    
-    
-    func paymentQueueRestoreCompletedTransactionsFinished(_ queue: SKPaymentQueue) {
-        DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
-            if self.totalRestoredPurchases == 0 {
-                log("[LUI] IAP: No purchases to restore!")
-                self.onBuyProductHandler?(.success(false))
-            }
-        }
-    }
-        
-        
-    func paymentQueue(_ queue: SKPaymentQueue, restoreCompletedTransactionsFailedWithError error: Error) {
-        if let error = error as? SKError {
-            if error.code != .paymentCancelled {
-                log("[LUI] IAP Restore Error:" + error.localizedDescription)
-                onBuyProductHandler?(.failure(error))
-            } else {
-                onBuyProductHandler?(.failure(IAPManagerError.paymentWasCancelled))
-            }
-        }
-    }
-}
-
-extension IAPManager: SKProductsRequestDelegate {
-    func productsRequest(_ request: SKProductsRequest, didReceive response: SKProductsResponse) {
-        // Get the available products contained in the response.
-        let products = response.products
-
-        // Check if there are any products available.
-        if products.count > 0 {
-            // Call the following handler passing the received products.
-            onReceiveProductsHandler?(.success(products))
-        } else {
-            // No products were found.
-            onReceiveProductsHandler?(.failure(.noProductsFound))
-        }
-    }
-    
-    
-    func paymentQueue(_ queue: SKPaymentQueue, shouldAddStorePayment payment: SKPayment, for product: SKProduct) -> Bool {
-        return true
-    }
-    
-    
-    func request(_ request: SKRequest, didFailWithError error: Error) {
-        onReceiveProductsHandler?(.failure(.productRequestFailed))
-    }
-    
-    
-    func requestDidFinish(_ request: SKRequest) {
-        // Implement this method OPTIONALLY and add any custom logic
-        // you want to apply when a product request is finished.
-    }
-}
-
-extension IAPManager.IAPManagerError: LocalizedError {
-    var errorDescription: String? {
-        switch self {
-        case .noProductIDsFound: return "No In-App Purchase product identifiers were found."
-        case .noProductsFound: return "No In-App Purchases were found."
-        case .productRequestFailed: return "plusview_productRequestFailed".localized()
-        case .paymentWasCancelled: return "In-App Purchase process was cancelled."
-        }
-    }
-}

QuickDrop/Plus/PlusView.swift

@@ -1,256 +0,0 @@
-//
-//  PlusView.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 23.02.25.
-//
-
-import SwiftUI
-import StoreKit
-
-let plusViewWidth: CGFloat = 440
-let plusViewHeight: CGFloat = 200
-
-struct PlusView: View {
-    
-    @AppStorage(UserDefaultsKeys.plusVersion.rawValue) var isPlusVersion = false
-    @ObservedObject private var iaphelper = IAPManager.sharedInstance
-    let closeView: () -> Void
-    
-    @State private var restoring = false
-    @State private var showRestoreError = false
-    @State private var restoreError = ""
-    
-    @Environment(\.colorScheme) var colorScheme
-    @State var products = [SKProduct]()
-    @State var price: String = ""
-    @State var warning = false
-    @State var buying = false
-    @State var errorText = ""
-    
-    @State var boughtSuccessAlert = false {
-        didSet {
-            if boughtSuccessAlert {
-                log("User bought plus version. Moving pending files...")
-                SaveFilesManager.shared.movePendingFilesToTarget()
-            }
-        }
-    }
-    
-    
-    var body: some View {
-        
-        ZStack {
-            Color.defaultBackground
-                .edgesIgnoringSafeArea(.all)
-            
-            let validPrice = price != ""
-            
-            VStack(spacing: 12) {
-                Text("plusview_title")
-                    .font(.title)
-                    .bold()
-                
-                Text("plusview_description")
-                    .multilineTextAlignment(.center)
-                    .padding()
-                    .padding(.top, -10)
-                    .alert(isPresented: $boughtSuccessAlert, content: {
-                        Alert(title: Text("plusview_success_title"), message: Text("plusview_success_description"), dismissButton: .default(Text("plusview_success_button"), action: {
-                            closeView()
-                        }))
-                    })
-                
-                HStack(spacing: 10) {
-                    Button("plusview_restorepurchase") {
-                        restorePurchases()
-                    }
-                    .alert(isPresented: $showRestoreError, content: {
-                        Alert(title: Text("plusview_restorefailed"), message: Text(restoreError), dismissButton: .default(Text("plusview_restorefailed_proceed")))
-                    })
-                    .opacity(restoring ? 0 : 1)
-                    .overlay(
-                        ProgressView()
-                            .scaleEffect(0.5)
-                            .opacity(restoring ? 1 : 0)
-                    )
-                    
-                    let priceString = validPrice ? " (\(price))" : ""
-                    
-                    Button("plusview_unlock_label".localized() + priceString) {
-                        buttonAction()
-                    }
-                    .keyboardShortcut(.defaultAction)
-                    .alert(isPresented: $warning, content: {
-                        Alert(title: Text("plusview_purchasefailed"), message: Text("plusview_purchasefaileddescription".localized() + (errorText != "" ? " Error: " : "") + errorText), dismissButton: .default(Text("plusview_restorefailed_proceed")))
-                    })
-                }
-                .opacity(buying || restoring ? 0 : 1)
-                .overlay(
-                    ProgressView()
-                        .scaleEffect(0.5)
-                        .opacity(buying || restoring ? 1 : 0)
-                )
-            }
-            .onAppear {
-                loadProducts(shouldBuy: false)
-            }
-            .animation(.default, value: validPrice)
-            .padding()
-        }
-        .frame(width: plusViewWidth, height: plusViewHeight)
-    }
-    
-    func restorePurchases() {
-        
-        withAnimation {
-            restoring = true
-        }
-        
-        iaphelper.restorePurchases { result in
-            DispatchQueue.main.async {
-                
-                switch result {
-                case .success(let success):
-                    if success {
-                        log("[LUI] Restored purchases successfully")
-                        withAnimation {
-                            isPlusVersion = true
-                        }
-                        boughtSuccessAlert = true
-                    } else {
-                        log("[LUI] Nothing to restore")
-                        //nothing to restore
-                        restoreFailed(message: "plusview_nothingtorestore".localized())
-                    }
-                    
-                case .failure(let error):
-                    log("[LUI] Error restoring purchases: \(error.localizedDescription)")
-                    log(error.localizedDescription)
-                    restoreFailed(message: error.localizedDescription)
-                }
-            }
-        }
-        
-        func restoreFailed(message: String) {
-            
-#if targetEnvironment(simulator)
-            isPlusVersion = true
-            dismissView()
-#else
-            
-            // now, try to convert from old version
-            IAPConverter.shared.restoreIAPfromPreviousPurchase { success in
-                
-                DispatchQueue.main.async {
-                    
-                    if success {
-                        withAnimation {
-                            isPlusVersion = true
-                        }
-                        
-                        boughtSuccessAlert = true
-                    }
-                    else {
-                        restoreError = message
-                        showRestoreError = true
-                        
-                        withAnimation {
-                            restoring = false
-                        }
-                    }
-                }
-            }
-#endif
-        }
-    }
-    
-    func buttonAction() {
-        if let product = products.first {
-            purchase(product: product)
-        }
-        else {
-            loadProducts(shouldBuy: true)
-        }
-    }
-    
-    
-    func purchase(product: SKProduct) {
-        if !iaphelper.canMakePayments() {
-            warning = true
-        } else {
-            withAnimation{
-                buying = true
-            }
-            
-            iaphelper.buy(product: product) { (result) in
-                DispatchQueue.main.async {
-                    withAnimation{
-                        buying = false
-                    }
-                    
-                    switch result {
-                    case .success(_):
-                        
-                        withAnimation {
-                            isPlusVersion = true
-                            boughtSuccessAlert = true
-                            warning = false
-                        }
-                        
-                    case .failure(let error):
-                        warning = true
-                        errorText = error.localizedDescription
-                    }
-                }
-            }
-        }
-    }
-    
-    func loadProducts(shouldBuy: Bool) {
-        iaphelper.getProducts { (result) in
-            DispatchQueue.main.async {
-                
-                switch result {
-                case .success(let products):
-                    self.products = products
-                    price = products.first?.localizedPrice ?? ""
-                    
-                    if let product = products.first, shouldBuy {
-                        purchase(product: product)
-                    }
-                    
-                case .failure(let error):
-                    errorText = error.localizedDescription
-                    
-                    if shouldBuy {
-                        warning = true
-                    }
-                    
-                    withAnimation {
-                        buying = false
-                    }
-                }
-            }
-        }
-    }
-}
-
-
-extension SKProduct {
-    var localizedPrice: String {
-        let formatter = NumberFormatter()
-        formatter.numberStyle = .currency
-        formatter.locale = priceLocale
-        if let price = formatter.string(from: price) {
-            return price
-        }
-        return ""
-    }
-}
-
-
-
-#Preview {
-    PlusView(closeView: {})
-}

QuickDrop/QuickDrop.entitlements

@@ -2,19 +2,9 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 <dict>
-	<key>com.apple.security.app-sandbox</key>
-	<true/>
 	<key>com.apple.security.application-groups</key>
 	<array>
 		<string>group.com.leonboettger.neardrop</string>
 	</array>
-	<key>com.apple.security.files.downloads.read-write</key>
-	<true/>
-	<key>com.apple.security.files.user-selected.read-write</key>
-	<true/>
-	<key>com.apple.security.network.client</key>
-	<true/>
-	<key>com.apple.security.network.server</key>
-	<true/>
 </dict>
 </plist>

QuickDrop/SelfTest/ApIsolationTester.swift

@@ -1,93 +0,0 @@
-//
-//  ApIsolationTester.swift
-//  QuickDrop
-//
-//  Created by Leon Böttger on 14.05.25.
-//
-
-import Foundation
-import Network
-
-class DeviceToDeviceHeuristicScanner {
-    private let scanQueue = DispatchQueue(label: "DeviceToDeviceScanQueue")
-    private var reachableIPs = [String]()
-    private var totalToScan = 0
-    private var completion: ((Bool) -> Void)?
-    
-    /// Start scanning the subnet for reachable peers.
-    /// - Parameters:
-    ///   - baseSubnet: e.g. `"192.168.1"` — if nil, will auto-detect
-    ///   - completion: true if any peer device was reachable
-    func scan(subnet baseSubnet: String? = nil, port: UInt16 = 80, completion: @escaping (Bool) -> Void) {
-        self.completion = completion
-        let subnet = baseSubnet ?? Self.getLocalSubnetPrefix() ?? "192.168.1"
-        let ipsToScan = (2...254).map { "\(subnet).\($0)" }
-        totalToScan = ipsToScan.count
-        
-        for ip in ipsToScan {
-            testConnection(to: ip, port: port)
-        }
-
-        // Timeout fallback
-        DispatchQueue.main.asyncAfter(deadline: .now() + 10.0) {
-            self.finish()
-        }
-    }
-    
-    private func testConnection(to ip: String, port: UInt16) {
-        guard let nwPort = NWEndpoint.Port(rawValue: port) else { return }
-        let connection = NWConnection(host: NWEndpoint.Host(ip), port: nwPort, using: .tcp)
-
-        connection.stateUpdateHandler = { state in
-            switch state {
-            case .ready:
-                self.reachableIPs.append(ip)
-                self.finish()
-                connection.cancel()
-            case .failed, .cancelled:
-                connection.cancel()
-            default:
-                break
-            }
-        }
-
-        connection.start(queue: scanQueue)
-    }
-
-    private func finish() {
-        completion?(reachableIPs.count > 0)
-        completion = nil
-    }
-
-    /// Attempts to detect the local subnet prefix (e.g., "192.168.0")
-    private static func getLocalSubnetPrefix() -> String? {
-        var ifaddr: UnsafeMutablePointer<ifaddrs>?
-        if getifaddrs(&ifaddr) == 0 {
-            var ptr = ifaddr
-            while ptr != nil {
-                defer { ptr = ptr!.pointee.ifa_next }
-                let interface = ptr!.pointee
-                let addrFamily = interface.ifa_addr.pointee.sa_family
-                if addrFamily == UInt8(AF_INET),
-                   let name = String(validatingUTF8: interface.ifa_name),
-                      name == getActiveNetworkInterface() {
-                    var hostname = [CChar](repeating: 0, count: Int(NI_MAXHOST))
-                    getnameinfo(interface.ifa_addr, socklen_t(interface.ifa_addr.pointee.sa_len),
-                                &hostname, socklen_t(hostname.count), nil, 0, NI_NUMERICHOST)
-                    if let ip = String(validatingUTF8: hostname),
-                       let lastDot = ip.lastIndex(of: ".") {
-                        freeifaddrs(ifaddr)
-                        
-                        let result = String(ip[..<lastDot])
-                        
-                        log("[LUI] Found local subnet prefix: \(result) for interface \(name)")
-                        
-                        return result
-                    }
-                }
-            }
-            freeifaddrs(ifaddr)
-        }
-        return nil
-    }
-}

QuickDrop/Settings.swift

@@ -0,0 +1,88 @@
+//
+//  Settings.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 09.09.25.
+//
+
+import SwiftUI
+
+class Settings: ObservableObject {
+    
+    private init() {}
+    
+    static var shared = Settings()
+    
+    
+    //  MARK: - Published UserDefaults Backed Properties
+    
+    #if GITHUB
+    let gotPlus = true
+    #else
+    @Published var gotPlus = UserDefaults.standard.bool(forKey: UserDefaultsKeys.plusVersion.rawValue)
+    { didSet { UserDefaults.standard.set(gotPlus, forKey: UserDefaultsKeys.plusVersion.rawValue) }}
+    #endif
+    
+    
+    @Published var automaticallyAcceptFiles: Bool = UserDefaults.standard.bool(forKey: UserDefaultsKeys.automaticallyAcceptFiles.rawValue)
+    { didSet { UserDefaults.standard.set(automaticallyAcceptFiles, forKey: UserDefaultsKeys.automaticallyAcceptFiles.rawValue) }}
+
+    
+    @Published var openFinderAfterReceiving: Bool = UserDefaults.standard.bool(forKey: UserDefaultsKeys.openFinderAfterReceiving.rawValue)
+    { didSet { UserDefaults.standard.set(openFinderAfterReceiving, forKey: UserDefaultsKeys.openFinderAfterReceiving.rawValue) }}
+
+    
+    @Published var saveFolderBookmark: Data? = UserDefaults.standard.data(forKey: UserDefaultsKeys.saveFolderBookmark.rawValue)
+    { didSet { UserDefaults.standard.set(saveFolderBookmark, forKey: UserDefaultsKeys.saveFolderBookmark.rawValue) }}
+    
+    
+    
+    //  MARK: - Non-Published UserDefaults Backed Properties
+    
+    var incomingTransmissionCount: Int = UserDefaults.standard.integer(forKey: UserDefaultsKeys.transmissionCount.rawValue)
+    { didSet { UserDefaults.standard.set(incomingTransmissionCount, forKey: UserDefaultsKeys.transmissionCount.rawValue) }}
+    
+    
+    var endpointID: String? = UserDefaults.standard.string(forKey: UserDefaultsKeys.endpointID.rawValue)
+    { didSet { UserDefaults.standard.set(endpointID, forKey: UserDefaultsKeys.endpointID.rawValue) }}
+    
+    
+    var isEligibleForIap: Bool = UserDefaults.standard.bool(forKey: UserDefaultsKeys.isEligibleForIap.rawValue)
+    { didSet { UserDefaults.standard.set(isEligibleForIap, forKey: UserDefaultsKeys.isEligibleForIap.rawValue) }}
+    
+    
+    var appLaunchedBefore: Bool = UserDefaults.standard.bool(forKey: UserDefaultsKeys.appLaunchedBefore.rawValue)
+    { didSet { UserDefaults.standard.set(appLaunchedBefore, forKey: UserDefaultsKeys.appLaunchedBefore.rawValue) }}
+    
+    
+    
+    // MARK: - Debug
+    
+    func deleteAllUserDefaults() {
+        let defaults = UserDefaults.standard
+        if let bundleID = Bundle.main.bundleIdentifier {
+            defaults.removePersistentDomain(forName: bundleID)
+        }
+        defaults.synchronize()
+        
+        Settings.shared = Settings()
+    }
+    
+    
+    
+    // MARK: - UserDefaults Keys
+    
+    public enum UserDefaultsKeys: String, CaseIterable {
+        case isEligibleForIap = "isEligibleForIap"
+        case appLaunchedBefore = "ShowedWelcomeScreen"
+        case plusVersion = "plusVersion"
+        case transmissionCount = "reviewRequestCountKey"
+        case automaticallyAcceptFiles = "automaticallyAcceptFiles"
+        case saveFolderBookmark = "saveFolderBookmark"
+        case openFinderAfterReceiving = "openFinderAfterReceiving"
+        case endpointID = "endpointID"
+        
+        // Plus version used before StoreKit 2 update. New key is fetched from App Store directly.
+        case plusVersionLegacy = "isPlusVersion"
+    }
+}

QuickDrop/Util/AllowedWorkMonitor.swift

@@ -0,0 +1,103 @@
+//
+//  AllowedWorkMonitor.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 26.12.25.
+//
+
+
+import AppKit
+import CoreGraphics
+import LUI
+
+final class AllowedWorkMonitor {
+    var onAllowed: (() -> Void)?
+    var onStopped: (() -> Void)?
+
+    private var screenOn = true
+    private var sessionActive = true
+    private var lastAllowed: Bool?
+
+    private var observerTokens: [NSObjectProtocol] = []
+
+    
+    func start() {
+        stop()
+
+        let nc = NSWorkspace.shared.notificationCenter
+
+        observerTokens.append(nc.addObserver(
+            forName: NSWorkspace.screensDidSleepNotification,
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            log("[AllowedWorkMonitor] Screen did sleep")
+            self?.screenOn = false
+            self?.evaluateAndNotify()
+        })
+
+        observerTokens.append(nc.addObserver(
+            forName: NSWorkspace.screensDidWakeNotification,
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            log("[AllowedWorkMonitor] Screen did wake")
+            self?.screenOn = true
+            self?.evaluateAndNotify()
+        })
+
+        observerTokens.append(nc.addObserver(
+            forName: NSWorkspace.sessionDidResignActiveNotification,
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            log("[AllowedWorkMonitor] Session did resign active")
+            self?.sessionActive = false
+            self?.evaluateAndNotify()
+        })
+
+        observerTokens.append(nc.addObserver(
+            forName: NSWorkspace.sessionDidBecomeActiveNotification,
+            object: nil,
+            queue: .main
+        ) { [weak self] _ in
+            log("[AllowedWorkMonitor] Session did become active")
+            self?.sessionActive = true
+            self?.evaluateAndNotify()
+        })
+
+        // Initial fire to establish state
+        evaluateAndNotify(forceNotify: true)
+    }
+    
+
+    func stop() {
+        let nc = NSWorkspace.shared.notificationCenter
+        observerTokens.forEach { nc.removeObserver($0) }
+        observerTokens.removeAll()
+        lastAllowed = nil
+    }
+
+    
+    deinit { stop() }
+
+    
+    private func computeAllowed() -> Bool {
+        return screenOn && sessionActive
+    }
+    
+    
+    private func evaluateAndNotify(forceNotify: Bool = false) {
+        let allowed = computeAllowed()
+
+        if forceNotify || lastAllowed == nil {
+            lastAllowed = allowed
+            allowed ? onAllowed?() : onStopped?()
+            return
+        }
+
+        guard allowed != lastAllowed else { return }
+        lastAllowed = allowed
+        allowed ? onAllowed?() : onStopped?()
+    }
+}

QuickDrop/Util/AudioManager.swift

@@ -6,6 +6,7 @@
 //
 
 import AVFoundation
+import LUI
 
 class AudioManager {
     static private var incomingFileSoundPlayer: AVAudioPlayer?

QuickDrop/Util/ErrorAlertHandler.swift

@@ -10,12 +10,11 @@ import Network
 import StoreKit
 import SwiftUI
 import UserNotifications
+import LUI
 
 #if os(macOS)
 import BezelNotification
 import Cocoa
-#else
-import LUI
 #endif
 
 class ErrorAlertHandler {
@@ -84,7 +83,7 @@ class ErrorAlertHandler {
             
             let title = String(format: "TransferError".localized(), arguments: [deviceName])
             log("Showing alert with title: \"\(title)\" and description: \"\(description)\"")
-            log("Unsuccessful transmission. Already successful transmissions: \(incomingTransmissionCount())")
+            log("Unsuccessful transmission. Already successful transmissions: \(Settings.shared.incomingTransmissionCount)")
             
             #if os(macOS)
             
@@ -103,8 +102,8 @@ class ErrorAlertHandler {
             self.isAlertShown = false
             
             if result == .alertFirstButtonReturn {
-                log("Sending logging string")
+                //log("Sending logging string")
-                sendLoggingString()
+                //sendLoggingString()
             }
             #else
             showAlert(title: title, message: description)

QuickDrop/Util/LaunchAtLogin.swift

@@ -19,6 +19,7 @@
 import SwiftUI
 import ServiceManagement
 import os.log
+import LUI
 
 @available(macOS 13.0, *)
 public enum LaunchAtLogin {

QuickDrop/Util/SelfTest/ActiveNetworkInterface.swift

@@ -6,6 +6,7 @@
 //
 
 import Foundation
+import LUI
 
 /// Returns the name of the currently active network interface (e.g. "en0", "en1")
 func getActiveNetworkInterface() -> String? {

QuickDrop/Util/SelfTest/ApIsolation6Tester.swift

@@ -7,6 +7,7 @@
 
 import Foundation
 import Network
+import LUI
 
 class IPv6DeviceScanner {
     /// Scans for IPv6 devices using `ping6 ff02::1` multicast on the given interface.

QuickDrop/Util/SelfTest/ApIsolationTester.swift

@@ -0,0 +1,229 @@
+//
+//  ApIsolationTester.swift
+//  QuickDrop
+//
+//  Created by Leon Böttger on 14.05.25.
+//
+
+import Foundation
+import Network
+import LUI
+
+final class DeviceToDeviceHeuristicScanner {
+    static let shared = DeviceToDeviceHeuristicScanner()
+    private init() {}
+
+    private enum ScanMode {
+        case peerReachability       // true only if some peer is reachable
+        case localNetworkAccess     // true if EHOSTDOWN seen (or ready)
+    }
+
+    private let scanQueue = DispatchQueue(label: "DeviceToDeviceScanQueue")
+
+    private var reachableIPs: [String] = []
+    private var activeConnections: [NWConnection] = []
+
+    private var completion: ((Bool) -> Void)?
+    private var finished = false
+    private var currentMode: ScanMode = .peerReachability
+
+    // Cache: once true, stays true for subsequent calls
+    private var cachedLocalNetworkAccess = false
+
+    private var peerReachableCached: Bool { !reachableIPs.isEmpty }
+
+    // MARK: - Public API
+
+    /// Start scanning the subnet for reachable peers.
+    /// - Returns: true if any peer device was reachable (same semantics as before).
+    func scan(subnet baseSubnet: String? = nil,
+              port: UInt16 = 80,
+              timeout: TimeInterval = 10.0,
+              completion: @escaping (Bool) -> Void) {
+
+        if peerReachableCached {
+            completion(true)
+            return
+        }
+
+        startScan(
+            mode: .peerReachability,
+            subnet: baseSubnet,
+            port: port,
+            timeout: timeout,
+            completion: completion
+        )
+    }
+
+    /// Returns true if:
+    /// - cached value is true, OR
+    /// - during a scan at least one host produces `.waiting(.posix(.EHOSTDOWN))`.
+    ///
+    /// As soon as EHOSTDOWN is observed, returns true immediately.
+    /// Otherwise waits until timeout (default 10s) and returns false.
+    func hasLocalNetworkAccess(subnet baseSubnet: String? = nil,
+                               port: UInt16 = 80,
+                               timeout: TimeInterval = 10.0,
+                               completion: @escaping (Bool) -> Void) -> Bool {
+
+        if cachedLocalNetworkAccess {
+            return true
+        }
+
+        startScan(
+            mode: .localNetworkAccess,
+            subnet: baseSubnet,
+            port: port,
+            timeout: timeout,
+            completion: completion
+        )
+        return false
+    }
+
+    // MARK: - Core scan logic
+
+    private func startScan(mode: ScanMode,
+                           subnet baseSubnet: String?,
+                           port: UInt16,
+                           timeout: TimeInterval,
+                           completion: @escaping (Bool) -> Void) {
+
+        scanQueue.async {
+            // Cancel any in-flight scan to keep behavior deterministic.
+            self.cancelActiveConnections()
+
+            self.currentMode = mode
+            self.completion = completion
+            self.finished = false
+
+            let subnet = baseSubnet ?? Self.getLocalSubnetPrefix() ?? "192.168.1"
+            let ipsToScan = (2...254).map { "\(subnet).\($0)" }
+
+            for ip in ipsToScan {
+                self.testConnection(to: ip, port: port)
+            }
+
+            DispatchQueue.main.asyncAfter(deadline: .now() + timeout) {
+                self.finish(result: self.resultForCurrentModeOnTimeout())
+            }
+        }
+    }
+
+    private func testConnection(to ip: String, port: UInt16) {
+        guard let nwPort = NWEndpoint.Port(rawValue: port) else { return }
+
+        let connection = NWConnection(host: NWEndpoint.Host(ip), port: nwPort, using: .tcp)
+        activeConnections.append(connection)
+
+        connection.stateUpdateHandler = { [weak self] state in
+            guard let self else { return }
+
+            switch state {
+            case .ready:
+                self.scanQueue.async {
+                    self.reachableIPs.append(ip)
+                    // If a TCP connection succeeds, local network access is effectively confirmed as well.
+                    self.cachedLocalNetworkAccess = true
+
+                    // For scan(): success means peer reachable.
+                    // For hasLocalNetworkAccess(): success also means local network access.
+                    self.finish(result: true)
+                }
+                connection.cancel()
+
+            case .waiting(let error):
+                // "Host is down" is treated as a strong signal that local-network traffic is possible,
+                // even if the specific host doesn't respond.
+                if error == .posix(.EHOSTDOWN) {
+                    self.scanQueue.async {
+                        self.cachedLocalNetworkAccess = true
+
+                        if self.currentMode == .localNetworkAccess {
+                            self.finish(result: true)
+                        }
+                    }
+                }
+
+            case .failed, .cancelled:
+                // Ignore; scan completes via early success or timeout.
+                break
+
+            default:
+                break
+            }
+        }
+
+        connection.start(queue: scanQueue)
+    }
+
+    private func resultForCurrentModeOnTimeout() -> Bool {
+        switch currentMode {
+        case .peerReachability:
+            return peerReachableCached
+        case .localNetworkAccess:
+            return cachedLocalNetworkAccess
+        }
+    }
+
+    private func finish(result: Bool) {
+        scanQueue.async {
+            guard !self.finished else { return }
+            self.finished = true
+
+            let completion = self.completion
+            self.completion = nil
+
+            self.cancelActiveConnections()
+
+            DispatchQueue.main.async {
+                completion?(result)
+            }
+        }
+    }
+
+    private func cancelActiveConnections() {
+        for c in activeConnections { c.cancel() }
+        activeConnections.removeAll()
+    }
+
+    // MARK: - Subnet detection
+
+    /// Attempts to detect the local subnet prefix (e.g., "192.168.0")
+    private static func getLocalSubnetPrefix() -> String? {
+        var ifaddr: UnsafeMutablePointer<ifaddrs>?
+        if getifaddrs(&ifaddr) == 0 {
+            var ptr = ifaddr
+            while ptr != nil {
+                defer { ptr = ptr!.pointee.ifa_next }
+                let interface = ptr!.pointee
+                let addrFamily = interface.ifa_addr.pointee.sa_family
+
+                if addrFamily == UInt8(AF_INET),
+                   let name = String(validatingUTF8: interface.ifa_name),
+                   name == getActiveNetworkInterface() {
+
+                    var hostname = [CChar](repeating: 0, count: Int(NI_MAXHOST))
+                    getnameinfo(interface.ifa_addr,
+                                socklen_t(interface.ifa_addr.pointee.sa_len),
+                                &hostname,
+                                socklen_t(hostname.count),
+                                nil,
+                                0,
+                                NI_NUMERICHOST)
+
+                    if let ip = String(validatingUTF8: hostname),
+                       let lastDot = ip.lastIndex(of: ".") {
+
+                        freeifaddrs(ifaddr)
+
+                        let result = String(ip[..<lastDot])
+                        log("[LUI] Found local subnet prefix: \(result) for interface \(name)")
+                        return result
+                    }
+                }
+            }
+            freeifaddrs(ifaddr)
+        }
+        return nil
+    }
+}