Refactor and merge code of extensions

passExtension/Services/CredentialProvider.swift

@@ -0,0 +1,66 @@
+//
+//  CredentialProvider.swift
+//  passExtension
+//
+//  Created by Sun, Mingshen on 1/9/21.
+//  Copyright © 2021 Bob Sun. All rights reserved.
+//
+
+import UIKit
+import MobileCoreServices
+import passKit
+
+class CredentialProvider {
+    weak var extensionContext: NSExtensionContext?
+    weak var viewController: UIViewController?
+
+    init(viewController: UIViewController, extensionContext: NSExtensionContext) {
+        self.viewController = viewController
+        self.extensionContext = extensionContext
+    }
+
+    func provideCredentialsFindLogin(with passwordPath: String) {
+        guard let viewController = viewController else {
+            return
+        }
+        guard let extensionContext = extensionContext else {
+            return
+        }
+
+        decryptPassword(in: viewController, with: passwordPath) { password in
+            let extensionItem = NSExtensionItem()
+            var returnDictionary = [
+                PassExtensionKey.usernameKey: password.getUsernameForCompletion(),
+                PassExtensionKey.passwordKey: password.password,
+            ]
+            if let totpPassword = password.currentOtp {
+                returnDictionary[PassExtensionKey.totpKey] = totpPassword
+            }
+            extensionItem.attachments = [NSItemProvider(item: returnDictionary as NSSecureCoding, typeIdentifier: String(kUTTypePropertyList))]
+            extensionContext.completeRequest(returningItems: [extensionItem])
+        }
+    }
+
+    func provideCredentialsBrowser(with passwordPath: String) {
+        guard let viewController = viewController else {
+            return
+        }
+        guard let extensionContext = extensionContext else {
+            return
+        }
+
+        decryptPassword(in: viewController, with: passwordPath) { password in
+            Utils.copyToPasteboard(textToCopy: password.password)
+            // return a dictionary for JavaScript for best-effor fill in
+            let extensionItem = NSExtensionItem()
+            let returnDictionary = [
+                NSExtensionJavaScriptFinalizeArgumentKey: [
+                    "username": password.getUsernameForCompletion(),
+                    "password": password.password,
+                ],
+            ]
+            extensionItem.attachments = [NSItemProvider(item: returnDictionary as NSSecureCoding, typeIdentifier: String(kUTTypePropertyList))]
+            extensionContext.completeRequest(returningItems: [extensionItem])
+        }
+    }
+}