Make the remote settings hook usable within the app extensions. (#4342)

ShareExtension/Sources/ShareExtensionViewController.swift

@@ -11,11 +11,19 @@ import SwiftUI
 class ShareExtensionViewController: UIViewController {
     private static var targetConfiguration: Target.Configuration?
     private let appSettings: CommonSettingsProtocol = AppSettings()
+    private var appHooks: AppHooks!
+    
+    private let keychainController = KeychainController(service: .sessions,
+                                                        accessGroup: InfoPlistReader.main.keychainAccessGroupIdentifier)
+    
     private let hostingController = UIHostingController(rootView: ShareExtensionView())
     
     override func viewDidLoad() {
         super.viewDidLoad()
         
+        appHooks = AppHooks()
+        appHooks.setUp()
+        
         if Self.targetConfiguration == nil {
             Self.targetConfiguration = Target.shareExtension.configure(logLevel: appSettings.logLevel,
                                                                        traceLogPacks: appSettings.traceLogPacks,
@@ -30,6 +38,14 @@ class ShareExtensionViewController: UIViewController {
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
         
+        if let credentials = keychainController.restorationTokens().first {
+            let homeserverURL = credentials.restorationToken.session.homeserverUrl
+            appHooks.remoteSettingsHook.loadCache(forHomeserver: homeserverURL, applyingTo: appSettings)
+        } else {
+            // We should really show a different state when there isn't a logged in user, but for now this is fine.
+            MXLog.error("Not logged in, launching app to show the authentication flow.")
+        }
+        
         Task {
             if let payload = await prepareSharePayload() {
                 await self.openMainApp(payload: payload)

ShareExtension/SupportingFiles/ShareExtension.entitlements

@@ -6,5 +6,9 @@
 	<array>
 		<string>$(APP_GROUP_IDENTIFIER)</string>
 	</array>
+	<key>keychain-access-groups</key>
+	<array>
+		<string>$(KEYCHAIN_ACCESS_GROUP_IDENTIFIER)</string>
+	</array>
 </dict>
 </plist>

ShareExtension/SupportingFiles/target.yml

@@ -33,8 +33,9 @@ targets:
 
     dependencies:
       - package: MatrixRustSDK
-      - package: Collections
       - package: Compound
+      - package: Collections
+      - package: KeychainAccess
 
     info:
       path: Info.plist
@@ -50,9 +51,7 @@ targets:
           NSExtensionPointIdentifier: com.apple.share-services
           NSExtensionPrincipalClass: $(PRODUCT_MODULE_NAME).ShareExtensionViewController
           NSExtensionAttributes:
-            IntentsSupported: [
-              INSendMessageIntent,
-            ]
+            IntentsSupported: [INSendMessageIntent]
             NSExtensionActivationRule:
               NSExtensionActivationSupportsFileWithMaxCount: 1
               NSExtensionActivationSupportsImageWithMaxCount: 1
@@ -65,6 +64,8 @@ targets:
       properties:
         com.apple.security.application-groups:
         - $(APP_GROUP_IDENTIFIER)
+        keychain-access-groups:
+        - $(KEYCHAIN_ACCESS_GROUP_IDENTIFIER)
 
     settings:
       base:
@@ -79,8 +80,16 @@ targets:
     - path: ../Sources
     - path: ../SupportingFiles
     - path: ../../ElementX/Sources/ShareExtension
+    - path: ../../ElementX/Sources/AppHooks/AppHooks.swift
+    - path: ../../ElementX/Sources/AppHooks/Hooks/ClientBuilderHook.swift
+    - path: ../../ElementX/Sources/AppHooks/Hooks/RemoteSettingsHook.swift
+    - path: ../../Secrets/Secrets.swift
     - path: ../../ElementX/Sources/Application/Settings
     - path: ../../ElementX/Sources/Application/TargetConfiguration.swift
+    - path: ../../ElementX/Sources/Services/Keychain/KeychainController.swift
+    - path: ../../ElementX/Sources/Services/Keychain/KeychainControllerProtocol.swift
+    - path: ../../ElementX/Sources/Services/UserSession/RestorationToken.swift
+    - path: ../../ElementX/Sources/Services/UserSession/SessionDirectories.swift
     - path: ../../ElementX/Sources/Other/Extensions/Bundle.swift
     - path: ../../ElementX/Sources/Other/Extensions/FileManager.swift
     - path: ../../ElementX/Sources/Other/Extensions/NSItemProvider.swift