secretive/SecretAgent/Notifier.swift

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Swift
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import Foundation
import SecretKit
import SecretAgentKit
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import UserNotifications
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import AppKit
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class Notifier {
func prompt() {
let notificationCenter = UNUserNotificationCenter.current()
notificationCenter.requestAuthorization(options: .alert) { _, _ in
}
}
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func notify(accessTo secret: AnySecret, by provenance: SigningRequestProvenance) {
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let notificationCenter = UNUserNotificationCenter.current()
let notificationContent = UNMutableNotificationContent()
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notificationContent.title = "Signed Request from \(provenance.origin.name)"
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notificationContent.subtitle = "Using secret \"\(secret.name)\""
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if let iconURL = iconURL(for: provenance), let attachment = try? UNNotificationAttachment(identifier: "icon", url: iconURL, options: nil) {
notificationContent.attachments = [attachment]
}
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let request = UNNotificationRequest(identifier: UUID().uuidString, content: notificationContent, trigger: nil)
notificationCenter.add(request, withCompletionHandler: nil)
}
}
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extension Notifier {
func iconURL(for provenance: SigningRequestProvenance) -> URL? {
do {
if let app = NSRunningApplication(processIdentifier: provenance.origin.pid), let icon = app.icon?.tiffRepresentation {
let temporaryURL = URL(fileURLWithPath: (NSTemporaryDirectory() as NSString).appendingPathComponent("\(UUID().uuidString).png"))
let bitmap = NSBitmapImageRep(data: icon)
try bitmap?.representation(using: .png, properties: [:])?.write(to: temporaryURL)
return temporaryURL
}
} catch {
}
return nil
}
}
extension Notifier: SigningWitness {
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func speakNowOrForeverHoldYourPeace(forAccessTo secret: AnySecret, by provenance: SigningRequestProvenance) throws {
}
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func witness(accessTo secret: AnySecret, by provenance: SigningRequestProvenance) throws {
notify(accessTo: secret, by: provenance)
}
}