WP-0b: AtomicFile, Log, FolderSettings foundation per SPEC-A1a; drop stale hotkey string

This commit is contained in:
2026-08-31 14:40:21 +04:00
parent 97d21be470
commit 31721b431c
6 changed files with 571 additions and 1 deletions
@@ -0,0 +1,104 @@
import Foundation
import Darwin
public enum AtomicFile {
/// Writes `data` to `url` durably: writes to `<url>.tmp` in the SAME directory as `url`,
/// fsyncs that file descriptor, closes it, rename()s it onto `url` (atomic same-volume
/// rename), then opens `url`'s containing directory and fsyncs THAT too (a rename is only
/// durable once its directory entry is flushed). Never uses `Data.write(to:)` that call
/// does not fsync.
public static func write(_ data: Data, to url: URL) throws {
let finalPath = url.path
let directoryURL = url.deletingLastPathComponent()
let tmpURL = directoryURL.appendingPathComponent(url.lastPathComponent + ".tmp")
let tmpPath = tmpURL.path
// Clear a stale .tmp left by a previous crash. ENOENT (nothing to clear) is fine.
if unlink(tmpPath) != 0 && errno != ENOENT {
throw ShotdeckError.spoolWriteFailed(
path: finalPath,
underlying: "could not clear a stale temp file: \(String(cString: strerror(errno)))")
}
let fd = open(tmpPath, O_WRONLY | O_CREAT | O_TRUNC, 0o644)
guard fd >= 0 else {
throw ShotdeckError.spoolWriteFailed(
path: finalPath, underlying: "open failed: \(String(cString: strerror(errno)))")
}
var writeFailure: String?
data.withUnsafeBytes { (raw: UnsafeRawBufferPointer) in
var remaining = raw.count
var pointer = raw.baseAddress
while remaining > 0 {
let n = Darwin.write(fd, pointer, remaining)
if n < 0 {
if errno == EINTR { continue }
writeFailure = "write failed: \(String(cString: strerror(errno)))"
break
}
if n == 0 { break }
remaining -= n
pointer = pointer?.advanced(by: n)
}
}
if let writeFailure {
close(fd)
_ = unlink(tmpPath)
throw ShotdeckError.spoolWriteFailed(path: finalPath, underlying: writeFailure)
}
if fsync(fd) != 0 {
let message = "fsync failed: \(String(cString: strerror(errno)))"
close(fd)
_ = unlink(tmpPath)
throw ShotdeckError.spoolWriteFailed(path: finalPath, underlying: message)
}
if close(fd) != 0 {
_ = unlink(tmpPath)
throw ShotdeckError.spoolWriteFailed(
path: finalPath, underlying: "close failed: \(String(cString: strerror(errno)))")
}
if rename(tmpPath, finalPath) != 0 {
let message = "rename failed: \(String(cString: strerror(errno)))"
_ = unlink(tmpPath)
throw ShotdeckError.spoolWriteFailed(path: finalPath, underlying: message)
}
try fsyncDirectory(at: directoryURL)
}
/// Encodes `value` with `JSONEncoder` (`.sortedKeys, .prettyPrinted`,
/// `.dateEncodingStrategy = .iso8601`) and writes it through `write(_:to:)`.
public static func writeJSON<T: Encodable>(_ value: T, to url: URL) throws {
let encoder = JSONEncoder()
encoder.outputFormatting = [.sortedKeys, .prettyPrinted]
encoder.dateEncodingStrategy = .iso8601
let data: Data
do {
data = try encoder.encode(value)
} catch {
throw ShotdeckError.spoolWriteFailed(
path: url.path, underlying: "JSON encoding failed: \(error.localizedDescription)")
}
try write(data, to: url)
}
/// Opens `url` (must be an existing directory) and fsyncs it. Used after any directory-
/// level `rename()` (moving/renaming a whole session directory) the same durability
/// requirement as the internal directory-fsync inside `write(_:to:)`, exposed for callers
/// that rename directories themselves (SpoolStore).
public static func fsyncDirectory(at url: URL) throws {
let fd = open(url.path, O_RDONLY | O_DIRECTORY)
guard fd >= 0 else {
throw ShotdeckError.spoolWriteFailed(
path: url.path,
underlying: "could not open directory for fsync: \(String(cString: strerror(errno)))")
}
let result = fsync(fd)
close(fd)
if result != 0 {
throw ShotdeckError.spoolWriteFailed(
path: url.path,
underlying: "directory fsync failed: \(String(cString: strerror(errno)))")
}
}
}
@@ -0,0 +1,111 @@
import Foundation
/// User-configurable overrides for the outbox (PDF send destination) and watch folder
/// (AirDrop return), backed by UserDefaults. Shotdeck is NOT App-Sandboxed (no
/// `com.apple.security.app-sandbox` entitlement in this build it is a plain, unsandboxed
/// SwiftPM executable). Security-scoped bookmarks exist to let a SANDBOXED app retain access
/// to a user-picked file/folder outside its container across relaunches; an unsandboxed
/// process already has the invoking user's own filesystem permissions on every launch, so a
/// plain absolute path stored in UserDefaults is sufficient including for a mounted network
/// share, which resolves by path the same as any local folder for as long as it is mounted.
public enum FolderSettings {
public static let outboxDefaultsKey = "ai.flowmaster.shotdeck.outbox"
public static let watchFolderDefaultsKey = "ai.flowmaster.shotdeck.watchFolder"
/// Raw stored path (or nil if never set / cleared). For display in Settings does NOT
/// validate that the path still exists.
public static func storedOutboxPath(defaults: UserDefaults = .standard) -> String? {
defaults.string(forKey: outboxDefaultsKey)
}
public static func storedWatchFolderPath(defaults: UserDefaults = .standard) -> String? {
defaults.string(forKey: watchFolderDefaultsKey)
}
/// Persists a user-chosen folder as its absolute POSIX path.
public static func setOutbox(_ url: URL, defaults: UserDefaults = .standard) {
defaults.set(url.path, forKey: outboxDefaultsKey)
}
public static func setWatchFolder(_ url: URL, defaults: UserDefaults = .standard) {
defaults.set(url.path, forKey: watchFolderDefaultsKey)
}
/// Removes the override; resolve() falls back to the default again.
public static func resetOutbox(defaults: UserDefaults = .standard) {
defaults.removeObject(forKey: outboxDefaultsKey)
}
public static func resetWatchFolder(defaults: UserDefaults = .standard) {
defaults.removeObject(forKey: watchFolderDefaultsKey)
}
/// Resolves both folders. A stored override wins only if it is set AND the directory it
/// names still exists; otherwise falls back to the default (Desktop / Downloads). Never
/// throws a missing/bad override is logged via `Log.ui` and silently replaced.
public static func resolve(
defaults: UserDefaults = .standard,
fileManager: FileManager = .default
) -> (outbox: URL, watch: URL) {
let outbox = resolveOne(
storedPath: storedOutboxPath(defaults: defaults),
fallback: defaultOutbox(fileManager: fileManager),
label: "outbox", fileManager: fileManager)
let watch = resolveOne(
storedPath: storedWatchFolderPath(defaults: defaults),
fallback: defaultWatchFolder(fileManager: fileManager),
label: "watch", fileManager: fileManager)
return (outbox, watch)
}
/// Builds an `AppSupportPaths` using `root` (defaults to the standard
/// `~/Library/Application Support/Shotdeck`, computed the same way
/// `AppSupportPaths.standard()` does, when `root` is nil) plus whatever `resolve()`
/// returns for outbox/watch. This is the ONLY place that combines FolderSettings with
/// AppSupportPaths call this everywhere in the app instead of `AppSupportPaths.standard()`.
/// `root` is exposed purely so tests can point it at a temporary directory instead of the
/// user's real Application Support folder.
public static func resolvedAppSupportPaths(
root: URL? = nil,
defaults: UserDefaults = .standard,
fileManager: FileManager = .default
) throws -> AppSupportPaths {
let resolvedRoot: URL
if let root {
resolvedRoot = root
} else {
let appSupportParent = try fileManager.url(
for: .applicationSupportDirectory, in: .userDomainMask,
appropriateFor: nil, create: true)
resolvedRoot = appSupportParent.appendingPathComponent("Shotdeck", isDirectory: true)
}
let folders = resolve(defaults: defaults, fileManager: fileManager)
return try AppSupportPaths(root: resolvedRoot, outbox: folders.outbox, watchFolder: folders.watch)
}
private static func defaultOutbox(fileManager: FileManager) -> URL {
fileManager.urls(for: .desktopDirectory, in: .userDomainMask).first
?? fileManager.homeDirectoryForCurrentUser.appendingPathComponent("Desktop", isDirectory: true)
}
private static func defaultWatchFolder(fileManager: FileManager) -> URL {
fileManager.urls(for: .downloadsDirectory, in: .userDomainMask).first
?? fileManager.homeDirectoryForCurrentUser.appendingPathComponent("Downloads", isDirectory: true)
}
private static func resolveOne(
storedPath: String?,
fallback: URL,
label: String,
fileManager: FileManager
) -> URL {
guard let storedPath else { return fallback }
var isDirectory: ObjCBool = false
let exists = fileManager.fileExists(atPath: storedPath, isDirectory: &isDirectory)
guard exists, isDirectory.boolValue else {
Log.ui.warning("Configured \(label, privacy: .public) folder \(storedPath, privacy: .public) no longer exists; falling back to the default.")
return fallback
}
return URL(fileURLWithPath: storedPath, isDirectory: true)
}
}
+9
View File
@@ -0,0 +1,9 @@
import os
public enum Log {
public static let spool = Logger(subsystem: "ai.flowmaster.shotdeck", category: "spool")
public static let pdf = Logger(subsystem: "ai.flowmaster.shotdeck", category: "pdf")
public static let capture = Logger(subsystem: "ai.flowmaster.shotdeck", category: "capture")
public static let returns = Logger(subsystem: "ai.flowmaster.shotdeck", category: "returns")
public static let ui = Logger(subsystem: "ai.flowmaster.shotdeck", category: "ui")
}