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SwiftAmplifyAnalyticsPinpointPlugin.swift
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SwiftAmplifyAnalyticsPinpointPlugin.swift
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import Flutter
import UIKit
public class SwiftAmplifyAnalyticsPinpointPlugin: NSObject, FlutterPlugin, PigeonDataProvider {
public func getEndpointId(completion: @escaping (String?, FlutterError?) -> Void) {
let keychain = KeychainReader()
guard let uniqueId = keychain.getEndpointId() else {
completion (nil, nil)
return
}
completion (uniqueId, nil)
}
public func initializePinpointAppId(_ pinpointAppId: String, completion: @escaping (FlutterError?) -> Void) {
// Only needed in Android
completion(nil)
}
public static func register(with registrar: FlutterPluginRegistrar) {
let instance = SwiftAmplifyAnalyticsPinpointPlugin()
PigeonDataProviderSetup(registrar.messenger(), instance)
}
}
class KeychainReader {
static let pinpointAttrService = "com.amazonaws.AWSPinpointContext"
static let uniqueIdKey = "com.amazonaws.AWSPinpointContextKeychainUniqueIdKey"
func getEndpointId() -> String? {
return string(forKey: KeychainReader.uniqueIdKey)
}
private func string(forKey key: String) -> String? {
guard let data = data(forKey: key) else {
return nil
}
return String(data: data, encoding: .utf8)
}
private func data(forKey key: String) -> Data? {
let query = [
kSecClass: kSecClassGenericPassword,
kSecAttrService: KeychainReader.pinpointAttrService,
kSecAttrAccount: key,
kSecReturnData: true
] as CFDictionary
var result: AnyObject?
let status = SecItemCopyMatching(query, &result)
guard status != errSecItemNotFound else {
return nil
}
guard status == errSecSuccess else {
return nil
}
return result as? Data
}
}