[ios][application] Migrate to Expo Modules API (#24871)

packages/expo-application/CHANGELOG.md

@@ -9,6 +9,7 @@
 
 ### 🎉 New features
 
+- Migrate iOS module to Expo modules API. ([#24871](https://github.com/expo/expo/pull/24871) by [@reichhartd](https://github.com/reichhartd))
 - Android module is now written using the Sweet API. ([#22395](https://github.com/expo/expo/pull/22585) by [@fobos531](https://github.com/fobos531))
 
 ### 🐛 Bug fixes

packages/expo-application/expo-module.config.json

@@ -1,6 +1,9 @@
 {
   "name": "expo-application",
   "platforms": ["ios", "android"],
+  "ios": {
+    "modules": ["ApplicationModule"]
+  },
   "android": {
     "modules": ["expo.modules.application.ApplicationModule"]
   }

packages/expo-application/ios/ApplicationExceptions.swift

@@ -0,0 +1,19 @@
+import ExpoModulesCore
+
+internal class UrlDocumentDirectoryException: Exception {
+  override var reason: String {
+    "Unable to get url for document directory"
+  }
+}
+
+internal class InstallationTimeException: Exception {
+  override var reason: String {
+    "Unable to get installation time of this application"
+  }
+}
+
+internal class DateCastException: Exception {
+  override var reason: String {
+    "Invalid date format"
+  }
+}

packages/expo-application/ios/ApplicationModule.swift

@@ -0,0 +1,48 @@
+// Copyright 2018-present 650 Industries. All rights reserved.
+import ExpoModulesCore
+
+public class ApplicationModule: Module {
+  public func definition() -> ModuleDefinition {
+    Name("ExpoApplication")
+
+    Constants {
+      let infoPlist = Bundle.main.infoDictionary
+      return [
+        "applicationName": infoPlist?["CFBundleDisplayName"],
+        "applicationId": infoPlist?["CFBundleIdentifier"],
+        "nativeApplicationVersion": infoPlist?["CFBundleShortVersionString"],
+        "nativeBuildVersion": infoPlist?["CFBundleVersion"]
+      ]
+    }
+
+    AsyncFunction("getIosIdForVendorAsync") { () -> String? in
+      return UIDevice.current.identifierForVendor?.uuidString
+    }
+
+    AsyncFunction("getInstallationTimeAsync") { () -> Double in
+      guard let urlToDocumentsFolder = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).last else {
+        throw UrlDocumentDirectoryException()
+      }
+
+      do {
+        let fileAttributes = try FileManager.default.attributesOfItem(atPath: urlToDocumentsFolder.path)
+        if let installDate = fileAttributes[FileAttributeKey.creationDate] as? Date {
+          return installDate.timeIntervalSince1970 * 1000
+        }
+        throw DateCastException()
+      } catch {
+        throw InstallationTimeException()
+      }
+    }
+
+    AsyncFunction("getApplicationReleaseTypeAsync") { () -> Int in
+      let mainProvisioningProfile = ApplicationModuleProvisioningProfile.mainProvisioningProfile
+      return mainProvisioningProfile.appReleaseType().rawValue
+    }
+
+    AsyncFunction("getPushNotificationServiceEnvironmentAsync") { () -> String? in
+      let mainProvisioningProfile = ApplicationModuleProvisioningProfile.mainProvisioningProfile
+      return mainProvisioningProfile.notificationServiceEnvironment()
+    }
+  }
+}

packages/expo-application/ios/ApplicationModuleProvisioningProfile.swift

@@ -0,0 +1,75 @@
+// Copyright 2015-present 650 Industries. All rights reserved.
+import ExpoModulesCore
+
+class ApplicationModuleProvisioningProfile {
+  private let plist = readProvisioningProfilePlist()
+  static let mainProvisioningProfile = ApplicationModuleProvisioningProfile()
+
+  func notificationServiceEnvironment() -> String? {
+    guard let plist = plist else {
+      return nil
+    }
+
+    let entitlements = plist["Entitlements"] as? [String: Any]
+    return entitlements?["aps-environment"] as? String
+  }
+
+  func appReleaseType() -> AppReleaseType {
+    guard let provisioningPath = Bundle.main.path(forResource: "embedded", ofType: "mobileprovision") else {
+      #if targetEnvironment(simulator)
+      return .simulator
+      #else
+      return .appStore
+      #endif
+    }
+
+    guard let mobileProvision = plist else {
+      return .unknown
+    }
+
+    if let provisionsAllDevices = mobileProvision["ProvisionsAllDevices"] as? Bool, provisionsAllDevices {
+      return .enterprise
+    }
+    if let provisionedDevices = mobileProvision["ProvisionedDevices"] as? [String], !provisionedDevices.isEmpty {
+      let entitlements = mobileProvision["Entitlements"] as? [String: Any]
+      if let getTaskAllow = entitlements?["get-task-allow"] as? Bool, getTaskAllow {
+        return .dev
+      }
+      return .adHoc
+    }
+    return .appStore
+  }
+
+  private static func readProvisioningProfilePlist() -> [String: Any]? {
+    guard let profilePath = Bundle.main.path(forResource: "embedded", ofType: "mobileprovision") else {
+      return nil
+    }
+
+    do {
+      let profileString = try String(contentsOfFile: profilePath, encoding: .ascii)
+      guard let plistStart = profileString.range(of: "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"),
+        let plistEnd = profileString.range(of: "</plist>") else {
+        return nil
+      }
+
+      let plistString = String(profileString[plistStart.lowerBound..<plistEnd.upperBound])
+      if let plistData = plistString.data(using: .utf8) {
+        return try PropertyListSerialization.propertyList(from: plistData, options: [], format: nil) as? [String: Any]
+      }
+      log.error("Failed to convert plistString to UTF-8 encoded data object.")
+      return nil
+    } catch {
+      log.error("Error reading provisioning profile: \(error.localizedDescription)")
+      return nil
+    }
+  }
+}
+
+enum AppReleaseType: Int, Enumerable {
+  case unknown = 0
+  case simulator = 1
+  case enterprise = 2
+  case dev = 3
+  case adHoc = 4
+  case appStore = 5
+}