75 lines
2.2 KiB
Dart
75 lines
2.2 KiB
Dart
import 'dart:io' show Platform;
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import 'package:flutter/foundation.dart';
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import 'package:webview_flutter/webview_flutter.dart';
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import '../utils/debug_logger.dart';
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/// Check if WebView is supported on the current platform.
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///
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/// webview_flutter only supports iOS and Android.
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bool get isWebViewSupported =>
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!kIsWeb && (Platform.isIOS || Platform.isAndroid);
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/// Helper for clearing WebView data on supported platforms.
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///
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/// This is isolated in its own file to prevent platform coupling issues
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/// when the webview_flutter package isn't available.
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class WebViewCookieHelper {
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/// Clears all WebView cookies.
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///
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/// Returns true if cookies were cleared, false if not supported or failed.
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/// Checks platform support internally, so safe to call on any platform.
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static Future<bool> clearCookies() async {
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// Only supported on mobile platforms
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if (!isWebViewSupported) return false;
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try {
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return await WebViewCookieManager().clearCookies();
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} catch (e) {
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// Silently fail - WebView may not be available
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return false;
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}
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}
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/// Clears all WebView data including cookies, localStorage, and cache.
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///
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/// This should be called on logout to ensure SSO sessions are fully cleared.
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/// Returns true if all data was cleared successfully.
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static Future<bool> clearAllWebViewData() async {
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if (!isWebViewSupported) return false;
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var success = true;
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// Clear cookies
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try {
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await WebViewCookieManager().clearCookies();
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DebugLogger.auth('WebView cookies cleared');
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} catch (e) {
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DebugLogger.warning(
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'webview-cookie-clear-failed',
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scope: 'auth/webview',
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data: {'error': e.toString()},
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);
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success = false;
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}
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// Clear localStorage and cache using a temporary controller
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try {
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final controller = WebViewController();
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await controller.clearLocalStorage();
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await controller.clearCache();
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DebugLogger.auth('WebView localStorage and cache cleared');
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} catch (e) {
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DebugLogger.warning(
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'webview-storage-clear-failed',
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scope: 'auth/webview',
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data: {'error': e.toString()},
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);
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success = false;
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}
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return success;
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}
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}
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