From 8edeefc1cd29284c5e22a2c5abce393ced8f80d9 Mon Sep 17 00:00:00 2001
From: ronaldheft <ron@ronaldheft.com>
Date: Thu, 11 Aug 2022 13:46:30 -0400
Subject: [PATCH] Prevent iCloud backups of downloads

---
 ios/App/App/plugins/AbsDownloader.swift  | 28 +++++++++++++++++++-----
 ios/App/Shared/models/DownloadItem.swift |  2 +-
 ios/App/Shared/models/LocalLibrary.swift |  6 ++---
 3 files changed, 27 insertions(+), 9 deletions(-)

diff --git a/ios/App/App/plugins/AbsDownloader.swift b/ios/App/App/plugins/AbsDownloader.swift
index b9e86c00..06b6e131 100644
--- a/ios/App/App/plugins/AbsDownloader.swift
+++ b/ios/App/App/plugins/AbsDownloader.swift
@@ -11,7 +11,7 @@ import Capacitor
 @objc(AbsDownloader)
 public class AbsDownloader: CAPPlugin, URLSessionDownloadDelegate {
     
-    static let downloadsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
+    static private let downloadsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
     
     typealias DownloadProgressHandler = (_ downloadItem: DownloadItem, _ downloadItemPart: inout DownloadItemPart) throws -> Void
     
@@ -307,16 +307,34 @@ public class AbsDownloader: CAPPlugin, URLSessionDownloadDelegate {
         let itemDirectory = item.id
         NSLog("ITEM DIR \(itemDirectory)")
         
-        do {
-            try FileManager.default.createDirectory(at: AbsDownloader.downloadsDirectory.appendingPathComponent(itemDirectory), withIntermediateDirectories: true)
-        } catch {
-            NSLog("Failed to CREATE LI DIRECTORY \(error)")
+        guard AbsDownloader.itemDownloadFolder(path: itemDirectory) != nil else {
+            NSLog("Failed to CREATE LI DIRECTORY \(itemDirectory)")
             throw LibraryItemDownloadError.failedDirectory
         }
         
         return itemDirectory
     }
     
+    static func itemDownloadFolder(path: String) -> URL? {
+        do {
+            var itemFolder = AbsDownloader.downloadsDirectory.appendingPathComponent(path)
+            
+            if !FileManager.default.fileExists(atPath: itemFolder.path) {
+                try FileManager.default.createDirectory(at: itemFolder, withIntermediateDirectories: true)
+            }
+            
+            // Make sure we don't backup download files to iCloud
+            var resourceValues = URLResourceValues()
+            resourceValues.isExcludedFromBackup = true
+            try itemFolder.setResourceValues(resourceValues)
+            
+            return itemFolder
+        } catch {
+            NSLog("Failed to CREATE LI DIRECTORY \(error)")
+            return nil
+        }
+    }
+    
 }
 
 enum LibraryItemDownloadError: String, Error {
diff --git a/ios/App/Shared/models/DownloadItem.swift b/ios/App/Shared/models/DownloadItem.swift
index 53695220..8be65ae3 100644
--- a/ios/App/Shared/models/DownloadItem.swift
+++ b/ios/App/Shared/models/DownloadItem.swift
@@ -82,7 +82,7 @@ struct DownloadItemPart: Realmable, Codable {
     var destinationUri: String?
     var destinationURL: URL? {
         if let destinationUri = self.destinationUri {
-            return AbsDownloader.downloadsDirectory.appendingPathComponent(destinationUri)
+            return AbsDownloader.itemDownloadFolder(path: destinationUri)!
         } else {
             return nil
         }
diff --git a/ios/App/Shared/models/LocalLibrary.swift b/ios/App/Shared/models/LocalLibrary.swift
index 71eda6d2..542f4dab 100644
--- a/ios/App/Shared/models/LocalLibrary.swift
+++ b/ios/App/Shared/models/LocalLibrary.swift
@@ -25,7 +25,7 @@ struct LocalLibraryItem: Realmable, Codable {
     
     var contentUrl: String? {
         if let path = _contentUrl {
-            return AbsDownloader.downloadsDirectory.appendingPathComponent(path).absoluteString
+            return AbsDownloader.itemDownloadFolder(path: path)!.absoluteString
         } else {
             return nil
         }
@@ -33,7 +33,7 @@ struct LocalLibraryItem: Realmable, Codable {
     
     var coverContentUrl: String? {
         if let path = self._coverContentUrl {
-            return AbsDownloader.downloadsDirectory.appendingPathComponent(path).absoluteString
+            return AbsDownloader.itemDownloadFolder(path: path)!.absoluteString
         } else {
             return nil
         }
@@ -93,7 +93,7 @@ struct LocalFile: Realmable, Codable {
     var size: Int = 0
     
     var contentUrl: String {
-        return AbsDownloader.downloadsDirectory.appendingPathComponent(_contentUrl).absoluteString
+        return AbsDownloader.itemDownloadFolder(path: _contentUrl)!.absoluteString
     }
     
     static func primaryKey() -> String? {