86 lines
2.7 KiB
Swift
86 lines
2.7 KiB
Swift
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import Foundation
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import APNSwift
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import NIO
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import Crypto
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struct APNSInterface {
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private struct Payload: Codable {}
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private var apnsConfiguration: APNSClientConfiguration!
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private var apnsNotification: APNSAlertNotification<Payload>!
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private let apnsEventGroup = MultiThreadedEventLoopGroup(numberOfThreads: System.coreCount)
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private let apnsRequestEncoder = JSONEncoder()
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private let apnsResponseDecoder = JSONDecoder()
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init?(_ config: ServerConfiguration) {
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guard let key = load(keyAtPath: config.privateKeyFilePath) else {
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return nil
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}
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let authentication = APNSClientConfiguration.AuthenticationMethod.jwt(
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privateKey: key,
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keyIdentifier: config.keyIdentifier,
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teamIdentifier: config.teamIdentifier)
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apnsConfiguration = APNSClientConfiguration(
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authenticationMethod: authentication,
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environment: .sandbox)
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let alert = APNSAlertNotificationContent(
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title: .raw(config.messageTitle),
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body: .raw(config.messageBody))
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apnsNotification = APNSAlertNotification(
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alert: alert,
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expiration: .none,
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priority: .immediately,
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topic: config.topic,
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payload: Payload(),
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sound: .default)
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}
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func sendPush(to tokens: Set<String>) async {
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let client = APNSClient(
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configuration: apnsConfiguration,
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eventLoopGroupProvider: .shared(apnsEventGroup),
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responseDecoder: apnsResponseDecoder,
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requestEncoder: apnsRequestEncoder)
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log(info: "Client created")
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do {
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for token in tokenStorage.tokens {
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log(info: "Sending push to \(token.prefix(6))...")
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try await client.sendAlertNotification(
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apnsNotification,
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deviceToken: token,
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deadline: .now() + .seconds(10))
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log(info: "Sent push to \(token.prefix(6))...")
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}
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} catch let error as APNSError {
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print(error)
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} catch {
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log(error: error.localizedDescription)
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}
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do {
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log("Closing client")
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try client.syncShutdown()
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} catch {
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log(error: error.localizedDescription)
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}
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}
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}
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private func load(keyAtPath path: String) -> P256.Signing.PrivateKey? {
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do {
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guard let key = try P256.Signing.PrivateKey.loadFrom(filePath: path) else {
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print("Failed to read key \(path)")
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return nil
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}
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return key
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} catch {
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print("Failed to load key \(error)")
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return nil
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}
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}
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