84 lines
2.6 KiB
Swift
Executable File
84 lines
2.6 KiB
Swift
Executable File
import Vapor
|
|
import Clairvoyant
|
|
|
|
var deviceManager: DeviceManager!
|
|
|
|
enum ServerError: Error {
|
|
case invalidAuthenticationFileContent
|
|
case invalidAuthenticationToken
|
|
}
|
|
|
|
// configures your application
|
|
public func configure(_ app: Application) async throws {
|
|
let storageFolder = URL(fileURLWithPath: app.directory.resourcesDirectory)
|
|
let logFolder = storageFolder.appendingPathComponent("logs")
|
|
|
|
let accessManager = AccessTokenManager([])
|
|
let monitor = await MetricObserver(
|
|
logFolder: logFolder,
|
|
accessManager: accessManager,
|
|
logMetricId: "sesame.log")
|
|
MetricObserver.standard = monitor
|
|
|
|
let status = try await Metric<ServerStatus>("sesame.status")
|
|
try await status.update(.initializing)
|
|
|
|
await monitor.registerRoutes(app)
|
|
|
|
let configUrl = storageFolder.appendingPathComponent("config.json")
|
|
let config = try Config(loadFrom: configUrl)
|
|
|
|
config.authenticationTokens.map { $0.data(using: .utf8)! }.forEach(accessManager.add)
|
|
|
|
app.http.server.configuration.port = config.port
|
|
|
|
let keyFile = storageFolder.appendingPathComponent(config.keyFileName)
|
|
|
|
let (deviceKey, remoteKey) = try loadKeys(at: keyFile)
|
|
deviceManager = await DeviceManager(
|
|
deviceKey: deviceKey,
|
|
remoteKey: remoteKey,
|
|
deviceTimeout: config.deviceTimeout)
|
|
|
|
try routes(app)
|
|
|
|
// Gracefully shut down by closing potentially open socket
|
|
DispatchQueue.global(qos: .utility).asyncAfter(deadline: .now() + .seconds(5)) {
|
|
_ = app.server.onShutdown.always { _ in
|
|
deviceManager.removeDeviceConnection()
|
|
}
|
|
}
|
|
|
|
try await status.update(.nominal)
|
|
}
|
|
|
|
private func loadKeys(at url: URL) throws -> (deviceKey: Data, remoteKey: Data) {
|
|
let authContent: [Data] = try String(contentsOf: url)
|
|
.trimmingCharacters(in: .whitespacesAndNewlines)
|
|
.components(separatedBy: "\n")
|
|
.map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
|
|
.map {
|
|
guard let key = Data(fromHexEncodedString: $0) else {
|
|
throw ServerError.invalidAuthenticationToken
|
|
}
|
|
guard key.count == SHA256.byteCount else {
|
|
throw ServerError.invalidAuthenticationToken
|
|
}
|
|
return key
|
|
}
|
|
guard authContent.count == 2 else {
|
|
throw ServerError.invalidAuthenticationFileContent
|
|
}
|
|
return (deviceKey: authContent[0], remoteKey: authContent[1])
|
|
}
|
|
|
|
func log(_ message: String) {
|
|
guard let observer = MetricObserver.standard else {
|
|
print(message)
|
|
return
|
|
}
|
|
Task {
|
|
await observer.log(message)
|
|
}
|
|
}
|