get_mac_finder_favorites.swift

#!/usr/bin/env swift

import Foundation

let homeDir = FileManager.default.homeDirectoryForCurrentUser
let sflPath = homeDir
    .appendingPathComponent("Library/Application Support/com.apple.sharedfilelist")

let possibleFiles = [
    "com.apple.LSSharedFileList.FavoriteItems.sfl4",
    "com.apple.LSSharedFileList.FavoriteItems.sfl3",
    "com.apple.LSSharedFileList.FavoriteItems.sfl2"
]

var dataURL: URL? = nil
for filename in possibleFiles {
    let url = sflPath.appendingPathComponent(filename)
    if FileManager.default.fileExists(atPath: url.path) {
        dataURL = url
        break
    }
}

guard let fileURL = dataURL,
      let data = try? Data(contentsOf: fileURL),
      let plist = try? PropertyListSerialization.propertyList(from: data, options: [], format: nil) as? [String: Any],
      let objects = plist["$objects"] as? [Any] else {
    print("[]")
    exit(1)
}

var favorites: [[String: String]] = []

for obj in objects {
    if let bookmarkData = obj as? Data {
        var isStale = false
        if let url = try? URL(resolvingBookmarkData: bookmarkData, options: .withoutUI, relativeTo: nil, bookmarkDataIsStale: &isStale) {
            if url.isFileURL {
                favorites.append([
                    "name": url.lastPathComponent,
                    "path": url.path
                ])
            }
        }
    }
    
    if let dict = obj as? [String: Any], let bookmarkData = dict["Bookmark"] as? Data {
        var isStale = false
        if let url = try? URL(resolvingBookmarkData: bookmarkData, options: .withoutUI, relativeTo: nil, bookmarkDataIsStale: &isStale) {
            if url.isFileURL {
                favorites.append([
                    "name": dict["Name"] as? String ?? url.lastPathComponent,
                    "path": url.path
                ])
            }
        }
    }
}

let jsonData = try! JSONSerialization.data(withJSONObject: favorites, options: .prettyPrinted)
print(String(data: jsonData, encoding: .utf8)!)