kylebrowning / Apnswift
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APNSwift
A non-blocking Swift module for sending remote Apple Push Notification requests to APNS built on http/2, SwiftNIO for use on server side swift platforms.
Installation
To install APNSwift
, just add the package as a dependency in your Package.swift.
dependencies: [
.package(url: "https://github.com/kylebrowning/APNSwift.git", .upToNextMinor(from: "1.3.0"))
]
Getting Started
struct BasicNotification: APNSwiftNotification {
let aps: APNSwiftPayload
}
let group = MultiThreadedEventLoopGroup(numberOfThreads: 1)
var logger = Logger(label: "com.apnswift")
logger.logLevel = .debug
let apnsConfig = try APNSwiftConfiguration(
authenticationMethod: .jwt(
key: .private(filePath: "/Users/kylebrowning/Desktop/AuthKey_9UC9ZLQ8YW.p8"),
keyIdentifier: "9UC9ZLQ8YW",
teamIdentifier: "ABBM6U9RM5"
),
topic: "com.grasscove.Fern",
environment: .sandbox,
logger: logger
)
let apns = try APNSwiftConnection.connect(configuration: apnsConfig, on: group.next()).wait()
let aps = APNSwiftPayload(alert: .init(title: "Hey There", subtitle: "Subtitle", body: "Body"), hasContentAvailable: true)
try apns.send(BasicNotification(aps: aps), pushType: .alert, to: "98AAD4A2398DDC58595F02FA307DF9A15C18B6111D1B806949549085A8E6A55D").wait()
try apns.close().wait()
try group.syncShutdownGracefully()
exit(0)
APNSwiftConfiguration
APNSwiftConfiguration
is a structure that provides the system with common configuration.
let apnsConfig = try APNSwiftConfiguration(
authenticationMethod: .jwt(
key: .private(filePath: "/Users/kylebrowning/Desktop/AuthKey_9UC9ZLQ8YW.p8"),
keyIdentifier: "9UC9ZLQ8YW",
teamIdentifier: "ABBM6U9RM5"
),
topic: "com.grasscove.Fern",
environment: .sandbox,
logger: logger
)
APNSwiftConfiguration
Example let signer = ...
let apnsConfig = try APNSwiftConfiguration(keyIdentifier: "9UC9ZLQ8YW",
teamIdentifier: "ABBM6U9RM5",
signer: signer),
topic: "com.grasscove.Fern",
environment: .sandbox)
APNSwiftConnection
APNSwiftConnection
is a class with methods thats provides a wrapper to NIO's ClientBootstrap. The swift-nio-http2
dependency is utilized here. It also provides a function to send a notification to a specific device token string.
APNSwiftConnection
Example let apnsConfig = ...
let apns = try APNSwiftConnection.connect(configuration: apnsConfig, on: group.next()).wait()
APNSwiftAlert
APNSwiftAlert
is the actual meta data of the push notification alert someone wishes to send. More details on the specifics of each property are provided here. They follow a 1-1 naming scheme listed in Apple's documentation
APNSwiftAlert
Example let alert = APNSwiftAlert(title: "Hey There", subtitle: "Full moon sighting", body: "There was a full moon last night did you see it")
APNSwiftPayload
APNSwiftPayload
is the meta data of the push notification. Things like the alert, badge count. More details on the specifics of each property are provided here. They follow a 1-1 naming scheme listed in Apple's documentation
APNSwiftPayload
Example let alert = ...
let aps = APNSwiftPayload(alert: alert, badge: 1, sound: .normal("cow.wav"))
Custom Notification Data
Apple provides engineers with the ability to add custom payload data to each notification. In order to facilitate this we have the APNSwiftNotification
.
Example
struct AcmeNotification: APNSwiftNotification {
let acme2: [String]
let aps: APNSwiftPayload
init(acme2: [String], aps: APNSwiftPayload) {
self.acme2 = acme2
self.aps = aps
}
}
let apns: APNSwiftConnection: = ...
let aps: APNSwiftPayload = ...
let notification = AcmeNotification(acme2: ["bang", "whiz"], aps: aps)
let res = try apns.send(notification, to: "de1d666223de85db0186f654852cc960551125ee841ca044fdf5ef6a4756a77e").wait()
Using PEM instead of P8
Note: this is blocking
var apnsConfig = try APNSwiftConfiguration(
authenticationMethod: .tls(
privateKeyPath: "/Users/kylebrowning/Projects/swift/Fern/development_com.grasscove.Fern.pkey",
pemPath: "/Users/kylebrowning/Projects/swift/Fern/development_com.grasscove.Fern.pem"
),
topic: "com.grasscove.Fern",
environment: .sandbox
)
let apns = try APNSwiftConnection.connect(configuration: apnsConfig, on: group.next()).wait()
Need a completely custom arbtirary payload and dont like being typecast?
APNSwift provides the ability to send raw payloads. You can use Data
, ByteBuffer
, DispatchData
, Array
Though this is to be used with caution. APNSwift cannot gurantee delivery if you do not have the correct payload.
For more information see: Creating APN Payload
let notificationJsonPayload = ...
let data: Data = try! encoder.encode(notificationJsonPayload)
try apns.send(raw: data, pushType: .alert, to: "<DEVICETOKEN>")
Original pitch and discussion on API
- Pitch discussion: Swift Server Forums
- Proposal: SSWG-0006