From 3ed5696ae00aeda2d9be41133161fe74d287926c Mon Sep 17 00:00:00 2001
From: yumoqing <yumoqing@gmail.com>
Date: Fri, 3 Jul 2026 08:22:14 +0800
Subject: [PATCH] fix(iOS): read file data into memory BEFORE revoking
 security-scoped access, prevents exists=false

---
 Sources/PlayerBridge.swift | 47 ++++++++++++++++++++++----------------
 1 file changed, 27 insertions(+), 20 deletions(-)

diff --git a/Sources/PlayerBridge.swift b/Sources/PlayerBridge.swift
index 09df647..fc6e73d 100644
--- a/Sources/PlayerBridge.swift
+++ b/Sources/PlayerBridge.swift
@@ -771,36 +771,43 @@ final class PlayerBridge: ObservableObject {
     /// 处理 iOS 文件选择器结果
     func handleFileImport(_ urls: [URL]) {
         diagLog("handleFileImport: \(urls.count) URLs")
+        let docsDir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
+        
         for url in urls {
             diagLog("processing: \(url.lastPathComponent)")
             let didStartAccessing = url.startAccessingSecurityScopedResource()
             diagLog("startAccessingSecurityScopedResource: \(didStartAccessing)")
-            defer {
+            
+            // 先把文件数据读到内存（安全域访问有效期内）
+            let fileData: Data
+            do {
+                fileData = try Data(contentsOf: url)
+                diagLog("read \(fileData.count) bytes from source")
+            } catch {
+                diagLog("read failed: \(error.localizedDescription)")
                 if didStartAccessing { url.stopAccessingSecurityScopedResource() }
+                continue
             }
             
-            // 复制文件到 app Documents 目录（security-scoped URL 在 defer 后会失效）
-            let docsDir = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
-            let localURL = docsDir.appendingPathComponent(url.lastPathComponent)
+            // 撤销安全域访问（文件数据已在内存中）
+            if didStartAccessing { url.stopAccessingSecurityScopedResource() }
+            
+            // 写入 Documents，确保用唯一的文件名
+            let baseName = url.deletingPathExtension().lastPathComponent
+            let ext = url.pathExtension
+            var localURL = docsDir.appendingPathComponent(url.lastPathComponent)
+            if FileManager.default.fileExists(atPath: localURL.path) {
+                let ts = Int(Date().timeIntervalSince1970)
+                localURL = docsDir.appendingPathComponent("\(baseName)_\(ts).\(ext)")
+            }
             
             do {
-                // 如果同名文件已存在，加时间戳
-                if FileManager.default.fileExists(atPath: localURL.path) {
-                    let ts = Int(Date().timeIntervalSince1970)
-                    let nameWithoutExt = url.deletingPathExtension().lastPathComponent
-                    let ext = url.pathExtension
-                    let newURL = docsDir.appendingPathComponent("\(nameWithoutExt)_\(ts).\(ext)")
-                    try FileManager.default.copyItem(at: url, to: newURL)
-                    diagLog("copied to: \(newURL.lastPathComponent)")
-                    addItem(url: newURL, name: url.lastPathComponent, type: "file")
-                } else {
-                    try FileManager.default.copyItem(at: url, to: localURL)
-                    diagLog("copied to: \(localURL.lastPathComponent)")
-                    addItem(url: localURL, name: url.lastPathComponent, type: "file")
-                }
+                try fileData.write(to: localURL)
+                diagLog("written \(fileData.count) bytes to: \(localURL.lastPathComponent)")
+                addItem(url: localURL, name: url.lastPathComponent, type: "file")
             } catch {
-                diagLog("copy failed: \(error.localizedDescription)")
-                addItem(url: url, name: url.lastPathComponent, type: "file")
+                diagLog("write failed: \(error.localizedDescription)")
+                showToast("Failed to import: \(url.lastPathComponent)")
             }
         }
     }