129 lines
3.9 KiB
Swift
129 lines
3.9 KiB
Swift
import Foundation
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import Swifter
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/// Base local web server for Lilith macOS agents
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///
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/// Provides common HTTP routes for agent status, settings, and control.
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/// Subclass to add agent-specific routes.
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///
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/// Example:
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/// ```swift
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/// class SyncAgentServer: BaseLocalWebServer {
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/// override func registerRoutes() {
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/// super.registerRoutes()
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/// server["/api/sync/trigger"] = { request in
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/// self.triggerSync()
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/// return .ok(.json(["triggered": true]))
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/// }
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/// }
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/// }
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/// ```
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open class BaseLocalWebServer {
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public let server: HttpServer
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public let port: UInt16
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public let agentName: String
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private var isRunning = false
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/// Create a new local web server
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/// - Parameters:
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/// - port: Port to listen on
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/// - agentName: Name of the agent (for status responses)
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public init(port: UInt16, agentName: String) {
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self.server = HttpServer()
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self.port = port
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self.agentName = agentName
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}
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/// Start the web server
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public func start() throws {
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registerRoutes()
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try server.start(port, forceIPv4: true)
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isRunning = true
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}
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/// Stop the web server
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public func stop() {
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server.stop()
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isRunning = false
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}
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/// Register HTTP routes. Override to add custom routes.
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/// Always call super.registerRoutes() to include base routes.
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open func registerRoutes() {
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// GET /status - Agent health check
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server["/status"] = { [weak self] _ in
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guard let self else { return .internalServerError }
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let status = self.getStatus()
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return .ok(.json(status))
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}
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// GET /settings - Current agent settings
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server["/settings"] = { [weak self] _ in
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guard let self else { return .internalServerError }
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let settings = self.getSettings()
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return .ok(.json(settings))
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}
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// POST /settings - Update agent settings
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server["/settings"] = { [weak self] request in
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guard let self else { return .internalServerError }
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return self.handleUpdateSettings(request)
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}
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// POST /restart - Restart the agent
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server["/restart"] = { [weak self] _ in
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guard let self else { return .internalServerError }
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self.handleRestart()
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return .ok(.json(["restarting": true]))
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}
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// GET /health - Simple health probe
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server["/health"] = { _ in
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return .ok(.text("ok"))
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}
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}
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// MARK: - Overridable Handlers
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/// Get the current agent status. Override to add custom status fields.
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open func getStatus() -> [String: Any] {
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return [
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"agent": agentName,
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"running": isRunning,
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"port": port,
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"uptime": ProcessInfo.processInfo.systemUptime,
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"version": Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String ?? "unknown",
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]
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}
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/// Get the current agent settings. Override to return actual settings.
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open func getSettings() -> [String: Any] {
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return [:]
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}
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/// Handle a settings update request. Override to apply settings.
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open func handleUpdateSettings(_ request: HttpRequest) -> HttpResponse {
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return .ok(.json(["updated": true]))
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}
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/// Handle a restart request. Override to implement restart logic.
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open func handleRestart() {
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DispatchQueue.global().asyncAfter(deadline: .now() + 0.5) {
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// Default: exit and let launchd/launchctl restart us
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exit(0)
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}
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}
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}
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// MARK: - HttpResponse JSON Helper
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extension HttpResponse {
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static func json(_ dict: [String: Any]) -> HttpResponse {
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guard let data = try? JSONSerialization.data(withJSONObject: dict),
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let jsonString = String(data: data, encoding: .utf8) else {
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return .internalServerError
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}
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return .ok(.json(jsonString))
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}
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}
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