在 Mac Catalyst 应用程序中使用 UIDocumentPickerViewController 读取文件需要 read/write 授权？

Question

我在 UIViewController 中有此代码，确认 UIDocumentPickerDelegate:

- (void)openTextFilePicker {
    NSArray *UTIs = [NSArray arrayWithObjects:@"public.text", nil];
    [self openFilePicker:UTIs];
}

- (void)openFilePicker:(NSArray *)UTIs {
    UIDocumentPickerViewController *documentPicker = [[UIDocumentPickerViewController alloc] initWithDocumentTypes:UTIs inMode:UIDocumentPickerModeImport];
    documentPicker.delegate = self;
    documentPicker.popoverPresentationController.barButtonItem = self.importButton;
    [self presentViewController:documentPicker animated:TRUE completion:nil];
}

- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentAtURLs:(NSArray<NSURL *> *)urls {
    [self documentPicker:controller didPickDocumentAtURL:[urls firstObject]];
}

- (void)documentPicker:(UIDocumentPickerViewController *)controller didPickDocumentAtURL:(NSURL *)url {
    NSLog(@"picked document %@", url);
}

- (void)documentPickerWasCancelled:(UIDocumentPickerViewController *)controller {
    NSLog(@"cancelled");
}

这允许用户 select 系统上任何位置的文件并将其内容导入应用程序。如果我将 App Sandbox > User Selected File 功能设置为 Read/Write，它就会工作。但我只是从文件中读取数据，不需要更新文件或在沙箱外保存任何内容。所以我将功能更改为只读，但随后我在控制台中收到此错误，并且未调用 didPickDocumentsAtURLs：

Failed to create an FPSandboxingURLWrapper for [path]. Error: Error Domain=NSPOSIXErrorDomain Code=1 "couldn't issue sandbox extension com.apple.app-sandbox.read-write for '[path]': Operation not permitted"

这看起来是否正确，或者我是否应该能够仅使用只读权限读取文件？如果需要，将其切换为 Read/Write 很容易，但我的第一次提交因使用了不必要的权利而被拒绝，如果确实需要，我想准备向审核团队证明这一点。

Answer 1

我继续将权利更改为 Read/Write，并在 App Sandbox Information 字段中附上一条注释来提交它，解释如何使用文件访问权限。该应用已获批准。

Answer 2

对于搜索此内容的任何人，我没有通过陈述我的案例获得应用批准 - 相反，我被迫找到以下解决方案 - 它使用 UIDocumentBrowserViewController（只读！）与 UIDocumentPickerViewController（需要阅读 -写)

import Foundation
import UIKit

extension ViewController: UIDocumentBrowserViewControllerDelegate, UIDocumentPickerDelegate {
    
    @objc func presentDocumentPicker() {
        
        if operatingSystem == .macintosh {
            let documentPicker = UIDocumentBrowserViewController(forOpening: [.pdf])
            documentPicker.delegate = self
            documentPicker.allowsDocumentCreation = false
            documentPicker.allowsPickingMultipleItems = false
            // Present the document picker.
            present(documentPicker, animated: true, completion: nil)
        } else {
            let documentsPicker = UIDocumentPickerViewController(forOpeningContentTypes: [.pdf])
            documentsPicker.delegate = self
            documentsPicker.allowsMultipleSelection = false
            documentsPicker.modalPresentationStyle = .fullScreen
            self.present(documentsPicker, animated: true, completion: nil)
        }

    }
    
    
    func documentBrowser(_ controller: UIDocumentBrowserViewController, didPickDocumentsAt documentURLs: [URL]) {
        guard let url = documentURLs.first, url.startAccessingSecurityScopedResource() else { return }
        defer {
            DispatchQueue.main.async {
                url.stopAccessingSecurityScopedResource()
            }
        }
        debugPrint("[DocumentPicker] Selected Item with URL : ", url)
        controller.dismiss(animated: true)
    }
    
    public func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
        guard let url = urls.first, url.startAccessingSecurityScopedResource() else { return }
        defer {
            DispatchQueue.main.async {
                url.stopAccessingSecurityScopedResource()
            }
        }
        debugPrint("[DocumentPicker] Selected Item with URL : ", url)
        controller.dismiss(animated: true)
    }

    public func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
        controller.dismiss(animated: true)
    }
}

在 Mac Catalyst 应用程序中使用 UIDocumentPickerViewController 读取文件需要 read/write 授权？

Reading files with UIDocumentPickerViewController in a Mac Catalyst app requires read/write entitlement?

macos

entitlements

appstore-sandbox

mac-catalyst