Files
damus/damus/Models/PushNotificationClient.swift
Daniel D’Aquino 901a6fc98f Revoke device token when user switches to local notification mode
Signed-off-by: Daniel D’Aquino <daniel@daquino.me>
Reviewed-by: William Casarin <jb55@jb55.com>
2024-05-24 16:49:09 -07:00

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Swift
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//
// PushNotificationClient.swift
// damus
//
// Created by Daniel DAquino on 2024-05-17.
//
import Foundation
struct PushNotificationClient {
let keypair: Keypair
let settings: UserSettingsStore
private(set) var device_token: Data? = nil
mutating func set_device_token(new_device_token: Data) async throws {
self.device_token = new_device_token
if settings.enable_experimental_push_notifications && settings.notifications_mode == .push {
try await self.send_token()
}
}
func send_token() async throws {
guard let device_token else { return }
// Send the device token and pubkey to the server
let token = device_token.map { String(format: "%02.2hhx", $0) }.joined()
Log.info("Sending device token to server: %s", for: .push_notifications, token)
let pubkey = self.keypair.pubkey
// Send those as JSON to the server
let json: [String: Any] = ["deviceToken": token, "pubkey": pubkey.hex()]
// create post request
let url = self.settings.send_device_token_to_localhost ? Constants.DEVICE_TOKEN_RECEIVER_TEST_URL : Constants.DEVICE_TOKEN_RECEIVER_PRODUCTION_URL
let json_data = try JSONSerialization.data(withJSONObject: json)
let (data, response) = try await make_nip98_authenticated_request(
method: .post,
url: url,
payload: json_data,
payload_type: .json,
auth_keypair: self.keypair
)
if let httpResponse = response as? HTTPURLResponse {
switch httpResponse.statusCode {
case 200:
Log.info("Sent device token to Damus push notification server successfully", for: .push_notifications)
default:
Log.error("Error in sending device_token to Damus push notification server. HTTP status code: %d; Response: %s", for: .push_notifications, httpResponse.statusCode, String(data: data, encoding: .utf8) ?? "Unknown")
throw ClientError.http_response_error(status_code: httpResponse.statusCode, response: data)
}
}
return
}
func revoke_token() async throws {
guard let device_token else { return }
// Send the device token and pubkey to the server
let token = device_token.map { String(format: "%02.2hhx", $0) }.joined()
Log.info("Revoking device token from server: %s", for: .push_notifications, token)
let pubkey = self.keypair.pubkey
// Send those as JSON to the server
let json: [String: Any] = ["deviceToken": token, "pubkey": pubkey.hex()]
// create post request
let url = self.settings.send_device_token_to_localhost ? Constants.DEVICE_TOKEN_REVOKER_TEST_URL : Constants.DEVICE_TOKEN_REVOKER_PRODUCTION_URL
let json_data = try JSONSerialization.data(withJSONObject: json)
let (data, response) = try await make_nip98_authenticated_request(
method: .post,
url: url,
payload: json_data,
payload_type: .json,
auth_keypair: self.keypair
)
if let httpResponse = response as? HTTPURLResponse {
switch httpResponse.statusCode {
case 200:
Log.info("Sent device token removal request to Damus push notification server successfully", for: .push_notifications)
default:
Log.error("Error in sending device_token removal to Damus push notification server. HTTP status code: %d; Response: %s", for: .push_notifications, httpResponse.statusCode, String(data: data, encoding: .utf8) ?? "Unknown")
throw ClientError.http_response_error(status_code: httpResponse.statusCode, response: data)
}
}
return
}
}
// MARK: Helper structures
extension PushNotificationClient {
enum ClientError: Error {
case http_response_error(status_code: Int, response: Data)
}
}