Remove AppAuth and prepare for Rust OIDC. (#870)

ElementX/Sources/Application/AppCoordinator.swift

@@ -159,6 +159,10 @@ class AppCoordinator: AppCoordinatorProtocol {
                 self.presentSplashScreen()
             case (.restoringSession, .createdUserSession, .signedIn):
                 self.setupUserSession()
+            case (.signingOut, .signOut, .signingOut):
+                // We can ignore signOut when already in the process of signing out,
+                // such as the SDK sending an authError due to token invalidation.
+                break
             case (_, .signOut(let isSoft), .signingOut):
                 self.logout(isSoft: isSoft)
             case (.signingOut, .completedSigningOut(let isSoft), .signedOut):
@@ -336,7 +340,9 @@ class AppCoordinator: AppCoordinatorProtocol {
                 guard let self else { return }
                 switch callback {
                 case .didReceiveAuthError(let isSoftLogout):
-                    self.stateMachine.processEvent(.signOut(isSoft: isSoftLogout))
+                    stateMachine.processEvent(.signOut(isSoft: isSoftLogout))
+                case .updateRestorationToken:
+                    userSessionStore.refreshRestorationToken(for: userSession)
                 default:
                     break
                 }

ElementX/Sources/Application/AppSettings.swift

@@ -89,6 +89,17 @@ final class AppSettings {
     /// The URL that is opened when tapping the Learn more button on the sliding sync alert during authentication.
     let slidingSyncLearnMoreURL = URL(staticString: "https://github.com/matrix-org/sliding-sync/blob/main/docs/Landing.md")
     
+    /// The redirect URL used for OIDC.
+    let oidcRedirectURL = URL(staticString: "io.element:/callback")
+    /// The app's main URL shown when using OIDC.
+    let oidcClientURL = URL(staticString: "https://element.io")
+    /// The app's Terms of Service URL shown when using OIDC.
+    let oidcTermsURL = URL(staticString: "https://element.io/user-terms-of-service")
+    /// The app's Privacy Policy URL shown when using OIDC.
+    let oidcPolicyURL = URL(staticString: "https://element.io/privacy")
+    /// Any pre-defined static client registrations for OIDC issuers.
+    let oidcStaticRegistrations = [URL(staticString: "https://id.thirdroom.io/realms/thirdroom"): "elementx"]
+    
     // MARK: - Notifications
     
     var pusherAppId: String {