Remove Alamofire and fix Swift 6 crash

Author: maxhumber

Package.resolved

@@ -9,29 +9,10 @@ let package = Package(
         .iOS(.v13), .tvOS(.v13), .watchOS(.v6), .macOS(.v10_15)
     ],
     products: [
-        // Products define the executables and libraries a package produces, making them visible to other packages.
-        .library(
-            name: "SimpleAnalytics",
-            targets: ["SimpleAnalytics"]),
+        .library(name: "SimpleAnalytics", targets: ["SimpleAnalytics"])
     ],
-    dependencies: [
-            .package(url: "https://github.com/Alamofire/Alamofire.git", .upToNextMajor(from: "5.8.1")),
-        ],
-    
     targets: [
-        // Targets are the basic building blocks of a package, defining a module or a test suite.
-        // Targets can depend on other targets in this package and products from dependencies.
-        .target(
-            name: "SimpleAnalytics",
-            dependencies: [
-                            .product(
-                                name: "Alamofire",
-                                package: "Alamofire"
-                            ),
-                        ],
-            path: "Sources"),
-        .testTarget(
-            name: "SimpleAnalyticsTests",
-            dependencies: ["SimpleAnalytics"]),
+        .target(name: "SimpleAnalytics", path: "Sources"),
+        .testTarget(name: "SimpleAnalyticsTests", dependencies: ["SimpleAnalytics"])
     ]
 )

Package.swift

@@ -6,50 +6,19 @@
 //
 
 import Foundation
-import Alamofire
 
 internal struct RequestDispatcher {
     /// Sends the event to Simple Analytics
     /// - Parameter event: the event to dispatch
     static internal func sendEventRequest(event: Event) async throws {
-        return try await withCheckedThrowingContinuation { continuation in
-            AF.request("https://queue.simpleanalyticscdn.com/events",
-                       method: .post,
-                       parameters: event,
-                       encoder: JSONParameterEncoder.default).responseData { response in
-                
-                switch(response.result) {
-                    case .success(_):
-                        continuation.resume()
-                    case let .failure(error):
-                        continuation.resume(throwing: self.handleError(error: error))
-                    }
-            }
-        }
+        guard let url = URL(string: "https://queue.simpleanalyticscdn.com/events") else { throw URLError(.badURL) }
+        var request = URLRequest(url: url)
+        request.httpMethod = "POST"
+        request.setValue("application/json", forHTTPHeaderField: "Content-Type")
+        let jsonData = try JSONEncoder().encode(event)
+        request.httpBody = jsonData
+        let (_, response) = try await URLSession.shared.data(for: request)
+        guard let httpResponse = response as? HTTPURLResponse else { throw URLError(.badServerResponse) }
+        guard (200...299).contains(httpResponse.statusCode) else { throw URLError(URLError.Code(rawValue: httpResponse.statusCode)) }
     }
-    
-    static private func handleError(error: AFError) -> Error {
-            if let underlyingError = error.underlyingError {
-                let nserror = underlyingError as NSError
-                let code = nserror.code
-                if code == NSURLErrorNotConnectedToInternet ||
-                    code == NSURLErrorTimedOut ||
-                    code == NSURLErrorInternationalRoamingOff ||
-                    code == NSURLErrorDataNotAllowed ||
-                    code == NSURLErrorCannotFindHost ||
-                    code == NSURLErrorCannotConnectToHost ||
-                    code == NSURLErrorNetworkConnectionLost
-                {
-                    var userInfo = nserror.userInfo
-                    userInfo[NSLocalizedDescriptionKey] = "Unable to connect to the server"
-                    let currentError = NSError(
-                        domain: nserror.domain,
-                        code: code,
-                        userInfo: userInfo
-                    )
-                    return currentError
-                }
-            }
-            return error
-        }
 }

Sources/SimpleAnalytics/RequestDispatcher.swift

@@ -25,12 +25,11 @@ import Foundation
 final public class SimpleAnalytics: NSObject {
     /// The hostname of the website in Simple Analytics the tracking should be send to. Without `https://`
     let hostname: String
-    private let userAgent: String
+    private var userAgent: String?
     private let userLanguage: String
     private let userTimezone: String
     /// The last date a unique visit was tracked.
     private var visitDate: Date?
-    private let userAgentProvider = UserAgentProvider()
     private var sharedDefaultsSuiteName: String?
 
     /// Defines if the user is opted out. When set to `true`, all tracking will be skipped. This is persisted between sessions.
@@ -47,7 +46,6 @@ final public class SimpleAnalytics: NSObject {
     /// - Parameter hostname: The hostname as found in SimpleAnalytics, without `https://`
     public init(hostname: String) {
         self.hostname = hostname
-        self.userAgent = userAgentProvider.userAgent
         self.userLanguage = Locale.current.identifier
         self.userTimezone = TimeZone.current.identifier
         self.visitDate = UserDefaults.standard.object(forKey: Keys.visitDateKey) as? Date
@@ -58,7 +56,6 @@ final public class SimpleAnalytics: NSObject {
     /// - Parameter: sharedDefaultsSuiteName: When extensions (such as a main app and widget) have a set of sharedDefaults (using an App Group) that unique user can be counted once using this (instead of two or more times when using app and widget, etc.)
     public init(hostname: String, sharedDefaultsSuiteName: String) {
         self.hostname = hostname
-        self.userAgent = userAgentProvider.userAgent
         self.userLanguage = Locale.current.identifier
         self.userTimezone = TimeZone.current.identifier
         self.sharedDefaultsSuiteName = sharedDefaultsSuiteName
@@ -96,6 +93,7 @@ final public class SimpleAnalytics: NSObject {
         guard !isOptedOut else {
             return
         }
+        let userAgent = try await getUserAgent()
         let event = Event(
             type: .pageview,
             hostname: hostname,
@@ -115,6 +113,7 @@ final public class SimpleAnalytics: NSObject {
         guard !isOptedOut else {
             return
         }
+        let userAgent = try await getUserAgent()
         let event = Event(
             type: .event,
             hostname: hostname,
@@ -188,6 +187,14 @@ final public class SimpleAnalytics: NSObject {
         }
     }
 
+    /// Get the cached userAgent or fetch a new one
+    internal func getUserAgent() async throws -> String {
+        if let userAgent { return userAgent }
+        let newUserAgent = try await UserAgentFetcher.fetch()
+        userAgent = newUserAgent
+        return newUserAgent
+    }
+    
     /// Keys used to store things in UserDefaults
     internal struct Keys {
         static let visitDateKey = "simpleanalytics.visitdate"

Sources/SimpleAnalytics/SimpleAnalytics.swift

@@ -0,0 +1,21 @@
+//
+//  UserAgent.swift
+//  
+//
+//  Created by Max Humber on 2025-01-02.
+
+import WebKit
+
+enum UserAgentFetcher {
+    @MainActor
+    static func fetch() async throws -> String {
+        let webView = WKWebView(frame: .zero)
+        let result = try await webView.evaluateJavaScript("navigator.userAgent")
+        guard let userAgent = result as? String else { throw UserAgentError.unableToFetchUserAgent }
+        return userAgent
+    }
+}
+
+enum UserAgentError: Error {
+    case unableToFetchUserAgent
+}