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My File Provider Extension cannot be started sometimes
We use File Provider Extension in our main app, and it is working fine. We always call "NSFileProviderManager.add(_:completionHandler:)" function to start the extension, and "NSFileProviderManager.disconnect(reason:options:completionHandler:)" to temporarily quit the extension with the reason which will be shown in the Finder at the top of the FP domain folder. But sometimes, when the main app calls the above functions, the following issue cases occur, and the extension does not start/stop: The completionHandler function doesn't get called (As we noticed, we waited for 2 minutes. Then, we restarted the main app.) One of the following errors returned: i) "The application cannot be used right now", ii) "Couldn't communicate with the helper application", iii) "No valid file provider found with identifier" Here, the important thing is that restarting the main app once or twice clears the issue, and the extension starts. But it is frustrating to restart the app each time we get this issue. We want to know the following things: Why and when do the above issues occur? Why do they occur only sometimes, and how does the app restart clear the issue? How do we resolve them without restarting the main app? This has become a critical issue, so a detailed explanation would be greatly appreciated. TIA.
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561
Nov ’24
Apple silicon Macs support issue
After building the app for TextFlight, I uploaded it. After that, I initially received the following message via email. "ITMS-90899: Macs with Apple silicon support issue - The app isn‘t compatible with the provided minimum macOS version of 11.0. It can run on macOS 12.0 or later. Please specify an LSMinimumSystemVersion value of 12.0 or later in a new build, or select a compatible version in App Store Connect." So I added "LSMinimumSystemVersion" to info.plist, increased the version, and uploaded it again. Next "ITMS-90863: Macs with Apple silicon support issue - The app links with libraries that aren’t present in macOS: /usr/lib/swift/libswiftCloudKit.dylib @rpath/libswiftCloudKit.dylib" I received an issue email like the above. The app has supported Mac (Designed by iPad) so far. This time, this issue occurs after building in Xcode 16.0 / MacBook OS 14.6.1. The app being built supports at least iOS 14. We cannot uncheck it because we must support "Mac (Designed by iPad)" in the future. This issue did not occur in the initial upload and distribution. It occurred after deleting all files in the ~/Library/Developer/Xcode/DerivedData path and rebuilding the project. Is this an Xcode bug that will be fixed in the next update? Or is there a separate solution?
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6.5k
Nov ’24
MetalTools missing from Sequoia 15.1
Hi, After updating to Sequoia and the newest Xcode, I ran some Mac apps from Xcode. No code was changed, but suddenly, I'm getting: Can't find or decode reasons Failed to get or decode unavailable reasons Can't find or decode disabled use cases NSBundle file:///System/Library/PrivateFrameworks/MetalTools.framework/ principal class is nil because all fallbacks have failed One problem (I think) is that - Mac/System/Library/PrivateFrameworks/MetalTools.framework/MetalTools is an alias with no original that can be found. However, the MetalTools does exist in, for example, /Library/Developer/CommandLineTools/SDKs/MacOSX15.1.sdk/System/Library/PrivateFrameworks (and Mac ones). The app is very simple/ Any suggestions? I have an Intel Mac. Thank you! -Ashley
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711
Nov ’24
MacOS SwiftUI: Back button in NavigationSplitView detail view
I have a Split View with the sidebar, content, and detail. Everything is working, but when I select on a NavigationLink in my detail view, the back button is seen next to the title above the content view. I want that back button to be displayed in the top bar on the left side of the detail view. I was expecting it to do this automatically, but I must be missing something. This is where I want it to appear. This is where it appears. I made a simplified version of my code, because it would be too much to post but this has the same behavior. struct TestView: View { enum SidebarSelections { case cycles } @State private var sidebarSelection: SidebarSelections = .cycles var body: some View { NavigationSplitView(sidebar: { List(selection: $sidebarSelection, content: { Label("Cycles", systemImage: "calendar") .tag(SidebarSelections.cycles) }) }, content: { switch sidebarSelection { case .cycles: NavigationStack { List { // Displayed in Content NavigationLink("Cycle link", destination: { // Displayed in the Detail NavigationStack { List { NavigationLink("Detail Link", destination: { Text("More details") }) } } }) } } } }, detail: { ContentUnavailableView("Nothing to see here", systemImage: "cloud") }) } } Is what I want to do possible? Here is a Stack Overflow post that had it working at one point.
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1k
Nov ’24
App that runs fine under Xcode 15 does not work on Xcode 16.
When I upgraded to Sequoia 15.1, an app that worked fine under OS 14 stopped working. Out of 4 views on the main screen, only 1 is visible. Yet, if I click where another view should be, I get the expected action so the views are there, just not visible. Only I can't see where I am clicking! I had to upgrade to Xcode 16 to recompile the app and run it in Debug mode. When I do, I get the following: NSBundle file:///System/Library/PrivateFrameworks/MetalTools.framework/ principal class is nil because all fallbacks have failed. Can't find or decode disabled use cases. applicationSupportsSecureRestorableState FWIW - the only view that actually shows up is the last subview added to the main view.
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768
Nov ’24
App behavior changed under Sequoia 15.1.
I have an old Objective-C app that has been running for several years. The last compilation was in February 2024. I just upgraded to Sequoia 15.1. The app has four subviews on its main view. When I run the app only the subview that was the last one instantiated is visible. I know the other subviews are there, because a random mouse click in one invisible view causes the expected change in the visible view. What changed in 15.1 to cause this?
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649
Nov ’24
Unable to Create Files Adjacent to User-Selected File Due to App Sandbox Permissions
I am developing a macOS app that requires the ability to create new files in the same directory as a user-selected file, but I am encountering permission issues due to the App Sandbox restrictions. While the user can select a file (e.g., a.jpg) using a standard open panel, I cannot create an adjacent file (e.g., a.jxl) in the same folder because the sandbox only grants access to the selected file, not to other files in the directory. I understand that full disk access might be an option, but it requires user intervention and isn't suitable for this case. Is there any way to extend access to other files in the directory (including those not selected by the user) while remaining within the App Sandbox environment?
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516
Nov ’24
macOS SwiftUI document app always shows file picker on startup
DESCRIPTION OF PROBLEM When my Document-based macOS SwiftUI app starts up, it always presents a document picker. I would like it to open any documents that were open when the app last quit, and if none were open, open an "Untitled" document. I understand that there is a setting in System Settings-> Desktop & Dock ("Close windows when quitting an application") that will cause windows to reopen when it is turned off, but I'd like to give users a chance to opt-in for reopening docs even when that is turned on, since it is difficult to find, on by default, and might not be the desired behavior for all apps. I don't see any way to get a list of currently open documents to persist them at shutdown. And even if that's considered a bad idea, I'd at least like a way to prevent the Document picker from being shown at startup and instead create an Untitled document if no documents were open. Ideally, I'd like a way to provide this functionality in SwiftUI that doesn't require macOS 15 or later STEPS TO REPRODUCE Create a SwiftUI macOS document application in Xcode using the provided template, Give it any name you want Run it, create a new ".exampletext" document, save it. Quit the app with the document open. Re-run the app, document picker is shown. Cancel the document picker and quit the app with no windows shown. Re-run the app, document picker is shown.
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417
Nov ’24
General compatibility between Xcode and macOS
I'm confused by documentation and information I found regarding compatibility between versions of Xcode and macOS. The site https://developer.apple.com/support/xcode/ is listing "Minimum OS required". To my understanding it means "this particular version of macOS and all later/newer versions". Also release notes for Xcode are consistently stating "Xcode xx.x. requires a Mac running macOS yy.yy.y or later." But I also found statements like " In general, new versions of macOS will not run old versions of Xcode." in this forum, see https://forums.developer.apple.com/forums/thread/760737, which is the opposite to "requires macOS version X or later". I'm also experiencing issues when trying to run Xcode 12.4 on macOS 14.5 (Sonoma), means XCode is not running. It would be great if some of Apple Engineers here would shed some light on it :-) Many thanks in advance! Cheers, Elena
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2.0k
Nov ’24
Use IOKit to access usb in MacOS
Hi, I am trying to develop MacOS application which will be connecting to USB devices and should be available in AppStore. So it must be Sandbox and probably I've to use permission com.apple.security.device.usb. I've following requirements: I need to detect USB devices with file system I need to have ability to upload & download files from this device I need to read device serial number I wonder if I can use IOKit for this and it will be compliant with AppStore rules or not?
6
0
1.4k
Nov ’24
How to drag and drop an image file to find in an app
import Cocoa @available(macOS 10.13, *) let imagePboardType = NSPasteboard.PasteboardType.fileURL class DragSourceView: NSImageView { weak var dragSourceDelegate: NSDraggingSource? override func mouseDown(with event: NSEvent) { //拖放数据定义 let pasteboardItem = NSPasteboardItem() //设置数据的Provider if #available(macOS 10.13, *) { pasteboardItem.setDataProvider(self, forTypes: [NSPasteboard.PasteboardType.fileURL]) } else { // Fallback on earlier versions } //拖放item let draggingItem = NSDraggingItem(pasteboardWriter: pasteboardItem) draggingItem.draggingFrame = NSRect(x: 100 , y: 10, width: 100, height: 100) //拖放可视化图象设置 draggingItem.imageComponentsProvider = { let component = NSDraggingImageComponent(key: NSDraggingItem.ImageComponentKey.icon) component.frame = NSRect(x: 0, y: 0, width: 16, height: 16) component.contents = NSImage(size: NSSize(width: 32,height: 32), flipped: false, drawingHandler: { [unowned self] rect in { self.image?.draw(in: rect) return true }() } ) return [component] } //开始启动拖放sesson self.beginDraggingSession(with: [draggingItem], event: event, source: self.dragSourceDelegate!) } } extension DragSourceView: NSPasteboardItemDataProvider { func pasteboard(_ pasteboard: NSPasteboard?, item: NSPasteboardItem, provideDataForType type: NSPasteboard.PasteboardType) { // let data = self.image?.tiffRepresentation let data = "/Users/slowdony/Desktop/640.jpeg" let dataUrl = data.data(using: String.Encoding(rawValue: NSUTF8StringEncoding))! item.setData(dataUrl, forType: type) } } import Cocoa class ViewController: NSViewController { @IBOutlet weak var sourceView: DragSourceView! override func viewDidLoad() { super.viewDidLoad() self.sourceView.dragSourceDelegate = self } } extension ViewController: NSDraggingSource { //返回拖放操作类型 func draggingSession(_ session: NSDraggingSession, sourceOperationMaskFor context: NSDraggingContext) -> NSDragOperation { if (context == .outsideApplication){ return .copy } else{ return .generic } } //开始拖放代理回调 func draggingSession(_ session: NSDraggingSession, willBeginAt screenPoint: NSPoint) { print("draggingSession beginAt \(screenPoint)") } //拖放鼠标移动时的代理回调 func draggingSession(_ session: NSDraggingSession, movedTo screenPoint: NSPoint) { print("draggingSession movedTo \(screenPoint)") } //结束拖放代理回调 func draggingSession(_ session: NSDraggingSession, endedAt screenPoint: NSPoint, operation: NSDragOperation) { print("draggingSession endedAt \(screenPoint)") } } I am dragging an image to the desktop through the above code, failed, help
Topic: UI Frameworks SubTopic: AppKit Tags:
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476
Nov ’24
Localized Folder Created After Installing App with Same Name as Existing Application
I have two macOS applications: Application A, named My App.app with the bundle ID com.comp.myapp, and Application B, named My App.app with the bundle ID com.comp.myapp2. Both applications have the same name. Application A is installed at /Applications/My App.app. When I run the installer for Application B, it gets installed in a folder at /Applications/My App.localized/My App.app. Even if I remove Application A using the preinstall script of Application B's installer, the result remains the same. Does the installer determine the installation path with the new folder before the preinstall script executes? How can it be addressed so the new folder will not be created? Notes: We have a composite package that contains multiple components. Instead of just running pkgbuild, we use our own components.plist rather than a synthesized one. The components.plist is attached. The PackageInfo for Application B is also attached. components.plist PackageInfo packageInfo.xml components.plist
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470
Nov ’24
Swiftdata + Cloudkit + Mac OS how to configure for existing Swift Data store
Hi, I have a mac os app that I am developing. It is backed by a SwiftData database. I'm trying to set up cloudkit so that the app's data can be shared across the user's devices. However, I'm finding that every tutorial i find online makes it sound super easy, but only discusses it from the perspective of ios. The instructions typically say: Add the iCloud capability. Select CloudKit from its options. Press + to add a new CloudKit container, or select one of your existing ones. Add the Background Modes capability. Check the box "Remote Notifications" checkbox from its options. I'm having issue with the following: I don't see background modes showing up or remote notifications checkbox since i'm making a mac os app. If i do the first 3 steps only, when i launch my app i get an app crash while trying to load the persistent store. Here is the exact error message: Add the iCloud capability. Select CloudKit from its options. Press + to add a new CloudKit container, or select one of your existing ones. Add the Background Modes capability. Check the box "Remote Notifications" checkbox from its options. Any help would be greatly appreciated. var sharedModelContainer: ModelContainer = { let schema = Schema([One.self, Two.self]) let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false) do { return try ModelContainer(for: schema, configurations: [modelConfiguration]) } catch { fatalError("Could not create ModelContainer: \(error)") } }() The fatal error in the catch block happens when i run the app.
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1.9k
Nov ’24
Prevent macOS window.level floating from showing on all screens in a multi monitor setup?
I am using the window.level set to .floating as described here: https://developer.apple.com/documentation/appkit/nswindow/level The setting itself works okay. However, in a multi monitor setup, the floating window is appearing on both the screens. How can I prevent this? My users report that before macOS Sonoma, this used to not happen. Has this behaviour changed? How can I revert back to the old behaviour?
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539
Nov ’24
Allow "App" to find the devices on local network?
Hi, On macOS 15 beta 7, we get a network popup while launching application, "Allow "App" to find the devices on local network?" This popup we are not seeing in older versions of macOS. We also see a a new option in "System Settings->Privacy & Security->Local Network". Is there way to add the application entry in "Local Network" through a command so that we can suppress this popup on launching the applications? Regards Prema Kumar
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13k
Nov ’24
SMAppService fails to register agent with MDM
btm_launchagent.txt I have a menu bar app which should be triggered to start when a system extension is successfully installed. The menu bar app is configured as a agent which should be started by SMAppServer. SMAppService register/unregister the agent successfully when the program is running locally. When doing the program installation through JamfNow, which is a MDM system, it fails with following error. I think the problem here is that the backgroundtaskmanagementd trys to register the agent with an invalid uid=-1 or uid: 4294967295(0xFFFFFFFF). 2024-10-02 10:45:33.100537+0200 0x156d4 Activity 0x1b927 88 0 smd: (BackgroundTaskManagement) BTMManager.getEffectiveDisposition 2024-10-02 10:45:33.103478+0200 0x156dd Default 0x1b927 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] effectiveItemDisposition: appURL=file:///Applications/Company%20Agent.app/, type=agent, url=Contents/Library/LaunchAgents/com.Company.agent.notifier.plist -- file:///, config={ BTMConfigArguments = ( ); BTMConfigBundleIdentifiers = ( ); BTMConfigExecutablePath = "Contents/Resources/CompanyNotifier.app/Contents/MacOS/CompanyNotifier"; BTMConfigLabel = "com.Company.agent.notifier"; } 2024-10-02 10:45:33.103544+0200 0x156dd Info 0x1b927 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] effectiveItemDisposition: result=[disabled, allowed, visible, not notified] 2024-10-02 10:45:33.105120+0200 0x156d4 Default 0x1b927 88 0 smd: (BackgroundTaskManagement) [com.apple.backgroundtaskmanagement:main] getEffectiveDisposition: disposition=[disabled, allowed, visible, not notified], have LWCR=true 2024-10-02 10:45:33.105181+0200 0x156d4 Default 0x0 88 0 smd: [com.apple.xpc.smd:all] Found status: 0 for <private> 2024-10-02 10:45:33.240190+0200 0x154da Default 0x0 88 0 smd: [com.apple.xpc.smd:SMAppServiceFactory] Setting up BundleProgram keys for <private> 2024-10-02 10:45:33.240250+0200 0x154da Default 0x0 88 0 smd: [com.apple.xpc.smd:SMAppServiceFactory] Setting up BundleProgram keys for <private> 2024-10-02 10:45:33.240388+0200 0x154da Activity 0x1b92a 88 0 smd: (BackgroundTaskManagement) BTMManager.registerLaunchItemWithAuditToken 2024-10-02 10:45:33.243990+0200 0x156dd Default 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] registerLaunchItem: pid=3626, uid=-1, type=agent, parentURL=<private>, url=<private>, config=<private> 2024-10-02 10:45:33.244917+0200 0x156dd Default 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] registerLaunchItem: found existing item: uuid=AC0DBC9B-7A16-443E-ABFC-05DF0F534C08, name=CompanyNotifier, type=managed agent, disposition=[disabled, allowed, visible, notified], identifier=com.Company.agent.notifier, url=Contents/Library/LaunchAgents/com.Company.agent.notifier.plist -- file:/// 2024-10-02 10:45:33.245238+0200 0x156dd Debug 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] BTMStore: save scheduled. 2024-10-02 10:45:33.245281+0200 0x156dd Debug 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] RecordSet notification scheduled for uid -1 .... 2024-10-02 10:45:33.252358+0200 0x154da Error 0x0 88 0 smd: [com.apple.xpc.smd:SMAppService] Unable to submit job: <private> error: Error Domain=OSLaunchdErrorDomain Code=112 UserInfo={NSLocalizedFailureReason=<private>} 2024-10-02 10:45:33.252707+0200 0x156d4 Default 0x1b92a 88 0 smd: [com.apple.xpc.smd:all] Update request for identifier: <private> uid: 4294967295 2024-10-02 10:45:33.253190+0200 0x156dd Default 0x1b92a 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] getItemWithIdentifier: identifier=com.Company.agent.notifier, uid=-1 2024-10-02 10:45:33.253759+0200 0x156d4 Error 0x1b92a 88 0 smd: [com.apple.xpc.smd:btm] Error getting BTMItem with Identifier: <private> uid: 4294967295 error: (null) 2024-10-02 10:45:33.253803+0200 0x156d4 Error 0x1b92a 88 0 smd: [com.apple.xpc.smd:all] Unable to find BTMItem for <private> in 4294967295 2024-10-02 10:45:33.253835+0200 0x156d4 Error 0x1b92a 88 0 smd: [com.apple.xpc.smd:all] Update operation returned error: 3, but no reply expected so error will be silent 2024-10-02 10:45:33.661537+0200 0x156dd Debug 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] sending notification for uid -1, type 131080 2024-10-02 10:45:33.665159+0200 0x154fa Info 0x1b853 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] fetchSFLItemsMatching: type=managed user item app 2024-10-02 10:45:33.665374+0200 0x154fa Activity 0x15dd3 282 0 backgroundtaskmanagementd: (BackgroundTaskManagement) BTMManager.userDataDidChange 2024-10-02 10:45:33.666041+0200 0x154da Activity 0x1b92d 88 0 smd: (BackgroundTaskManagement) BTMManager.userDataDidChange 2024-10-02 10:45:33.666651+0200 0x154fa Debug 0x15dd3 282 0 backgroundtaskmanagementd: (BackgroundTaskManagement) [com.apple.backgroundtaskmanagement:main] -[BTMManager handleUserDataDidChangeNotification:]: uid=-1, type=131080 2024-10-02 10:45:33.666085+0200 0x154da Debug 0x1b92d 88 0 smd: (BackgroundTaskManagement) [com.apple.backgroundtaskmanagement:main] -[BTMManager handleUserDataDidChangeNotification:]: uid=-1, type=131080 2024-10-02 10:45:36.218160+0200 0x154fa Debug 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] -[BTMStore handleWriteTimer] entered 2024-10-02 10:45:36.218254+0200 0x154fa Debug 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] -[BTMStore _save] entered 2024-10-02 10:45:36.224738+0200 0x154fa Default 0x0 282 0 backgroundtaskmanagementd: [com.apple.backgroundtaskmanagement:main] BTMStore: store saved to /var/db/com.apple.backgroundtaskmanagement/BackgroundItems-v9.btm Could it be a problem from the MDM system JamfNow or somewhere else? The whole logs is as attached. Thanks!
5
0
1k
Nov ’24
Missing EnvironmentObject from TableColumn on macOS
I encountered a strange behavior that reminded me of when .sheet() modifiers didn't inherit environment objects. Unless I'm missing something very obvious, it seems to me that TableColumn may expose the same issue. At least on macOS, because the very same code does not crash on iOS. I'm posting this here before reporting a SwiftUI bug. Below is a gist for a playground: https://gist.github.com/keeshux/4a963cdebb1b577b87b08660ce9d3364 I also observe inconsistent behavior when building with Xcode 16.1 or 15.4, specifically: https://github.com/passepartoutvpn/passepartout/issues/872#issuecomment-2477687967 The workaround I resorted to is re-propagating the environment from the parent: https://github.com/passepartoutvpn/passepartout/pull/873/files#diff-c662c4607f2adfd0d4e2c2a225e0351ba9c21dbdd5fc68f23bc1ce28a20bce4dR45
1
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449
Nov ’24
One-time privilege escalation in non-sandboxed apps
Hi, we are in the process of exploring how to create an installer for our array of apps. We have come to the conclusion that regular .pkg installers produced by pkgbuild and productbuild are unfulfilling of our expectations. [1] Regardless, our installer needs to place files at privileged locations (/Library/Application Support) so we are looking into how to best solve this problem, with the user having the largest clarity on what they are about to do (so no shady "wants to make changes" dialogs) the least steps to do to install these files in the right place (so no targeted NSSavePanel-s) Now, we have done our light reading via some nicely collected posts on the topic (https://forums.developer.apple.com/forums/thread/708765 for example) and the single missing option in the list of privilege escalation models seems to be a one-time privilege escalation from a GUI app. Our reasons for declaring so: AuthorizationExecuteWithPrivileges is long deprecated and we are trying to build a futureproof solution NSAppleScript is just putting up a shady ("wants to make changes") dialog when trying something like this: $ osascript -e "set filePath to \"/Library/Application Support\"" -e "do shell script \"touch \" & the quoted form of filePath & \"/yyy.txt\" with administrator privileges" Is there another way to request a one-time authorization from the admin to perform such a simple operation as copying a file to a protected location? I know it's possible to externalize and internalize Authorization Rights, but they are just an interface to create extra rights and use them as barriers, because they don't actually pass the required right to further operations based on this documentation. Using SMAppService to register a daemon, which has to be manually allowed by the user adds a lot to the complexity of this installation process, and is something we would like to avoid if possible. (And it's also not the right security model if we want to be honest - we don't want ongoing administrator rights and a daemon) Is there something we haven't taken into consideration? [1] preinstall scripts run after the choices are presented during installation and we would need advanced logic (not the limited JavaScript system/files API provided by Installer JS) - plus, the GUI is obviously very limited in a .pkg :(
2
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853
Nov ’24