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fix(iOS): read file data into memory BEFORE revoking security-scoped access, prevents exists=false

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yumoqing 2026-07-03 08:22:14 +08:00
parent 6503712be9
commit 3ed5696ae0
1 changed files with 27 additions and 20 deletions
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47
Sources/PlayerBridge.swift
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@ -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)")
}
}
}