aegis_guardian 0.3.0

Native Android and iOS runtime security checks, device signing, screen privacy, and Apple App Attest for Flutter.

example/lib/main.dart

import 'dart:io';
import 'package:aegis_guardian/aegis_guardian.dart';
import 'package:flutter/material.dart';

void main() => runApp(const GuardianExample());

class GuardianExample extends StatefulWidget {
  const GuardianExample({super.key});
  @override
  State<GuardianExample> createState() => _GuardianExampleState();
}

class _GuardianExampleState extends State<GuardianExample> {
  final guardian = AegisGuardian(
    sentinelConfig: SentinelConfig(
      baseUrl: Uri.parse('https://sentinel.example.com'),
      clientId: 'client-id',
    ),
  );
  SecurityReport? report;
  SentinelAssessment? assessment;
  String? deviceId;
  String? error;
  String? sentinelError;
  bool busy = false;
  bool protected = false;

  @override
  void initState() { super.initState(); refresh(); }

  Future<void> refresh() async {
    setState(() { busy = true; error = null; sentinelError = null; });
    try {
      final id = await guardian.getDeviceId();
      final localReport = await guardian.scan();
      if (mounted) setState(() { deviceId = id; report = localReport; });
      try {
        final remoteAssessment = await guardian.scanAndMonitor();
        if (mounted) setState(() { assessment = remoteAssessment; });
      } catch (e) {
        if (mounted) setState(() { sentinelError = e.toString(); });
      }
    } catch (e) {
      if (mounted) setState(() { error = e.toString(); });
    } finally {
      if (mounted) setState(() { busy = false; });
    }
  }

  @override
  Widget build(BuildContext context) {
    final threats = report?.detectedThreats.length ?? 0;
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      theme: ThemeData(colorScheme: ColorScheme.fromSeed(seedColor: const Color(0xff1565c0)),
        scaffoldBackgroundColor: const Color(0xfff8f9fa), useMaterial3: true),
      home: Scaffold(body: SafeArea(child: ListView(padding: const EdgeInsets.all(16), children: [
        const Text('Aegis Guardian Security Suite', style: TextStyle(fontSize: 24, fontWeight: FontWeight.w800)),
        const SizedBox(height: 4),
        const Text('Interactive RASP & Device Intelligence Diagnostics', style: TextStyle(color: Colors.black54)),
        const SizedBox(height: 14),
        _StatusBanner(busy: busy, threats: threats, hasReport: report != null),
        const SizedBox(height: 12),
        _InfoCard(icon: '📱', title: 'Device Identity',
          detail: 'SDK identifier used for dashboard correlation and blacklist rules.',
          value: deviceId ?? 'Loading device identity…', monospace: true),
        const SizedBox(height: 10),
        _SentinelCard(assessment: assessment, error: sentinelError, busy: busy),
        const SizedBox(height: 10),
        _card(child: SwitchListTile(contentPadding: EdgeInsets.zero,
          title: const Text('🛡️  Screen Privacy', style: TextStyle(fontWeight: FontWeight.w700)),
          subtitle: Text(Platform.isAndroid
            ? 'Blocks screenshots, recording, and recent-app previews.'
            : 'Hides content while inactive or screen capture is detected.'),
          value: protected,
          onChanged: (value) async {
            try {
              await guardian.setScreenProtection(value);
              if (mounted) setState(() { protected = value; error = null; });
            } catch (e) {
              if (mounted) setState(() { error = e.toString(); });
            }
          })),
        const SizedBox(height: 12),
        FilledButton.icon(onPressed: busy ? null : refresh, icon: const Icon(Icons.bolt),
          label: Text(busy ? 'Running diagnostics…' : 'Scan All Checks')),
        const SizedBox(height: 8),
        if (report != null) for (final check in report!.checks) ...[
          _CheckCard(result: check), const SizedBox(height: 8),
        ],
      ]))),
    );
  }
}

Widget _card({required Widget child}) => Container(
  padding: const EdgeInsets.all(16),
  decoration: BoxDecoration(color: Colors.white, borderRadius: BorderRadius.circular(14),
    border: Border.all(color: const Color(0xffdddddd))),
  child: child,
);

class _InfoCard extends StatelessWidget {
  const _InfoCard({required this.icon, required this.title, required this.detail,
    required this.value, this.monospace = false});
  final String icon, title, detail, value;
  final bool monospace;
  @override
  Widget build(BuildContext context) => _card(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
    Text('$icon  $title', style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w700)),
    const SizedBox(height: 5),
    Text(detail, style: const TextStyle(fontSize: 12, color: Colors.black54)),
    const SizedBox(height: 10),
    SelectableText(value, style: TextStyle(fontSize: 12,
      fontFamily: monospace ? 'monospace' : null, fontWeight: FontWeight.w600)),
  ]));
}

class _SentinelCard extends StatelessWidget {
  const _SentinelCard({required this.assessment, required this.error, required this.busy});
  final SentinelAssessment? assessment;
  final String? error;
  final bool busy;
  @override
  Widget build(BuildContext context) {
    final blocked = assessment?.isBlacklisted == true;
    final color = error != null || blocked ? Colors.red
      : assessment != null ? Colors.green : Colors.blue;
    final value = error != null ? 'CONNECTION ERROR\n$error'
      : assessment != null
        ? '${blocked ? 'BLACKLISTED' : 'CONNECTED'} · ${assessment!.action}\n'
          'Risk ${assessment!.riskScore} · ${assessment!.riskTier}'
        : busy ? 'CONNECTING…' : 'OFFLINE';
    return _card(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
      const Text('🛰️  Aegis Sentinel', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w700)),
      const SizedBox(height: 5),
      const Text('Live monitoring, risk decision, and device blacklist status.',
        style: TextStyle(fontSize: 12, color: Colors.black54)),
      const SizedBox(height: 10),
      Text(value, style: TextStyle(fontSize: 12, fontWeight: FontWeight.w800, color: color)),
    ]));
  }
}

class _StatusBanner extends StatelessWidget {
  const _StatusBanner({required this.busy, required this.threats, required this.hasReport});
  final bool busy, hasReport;
  final int threats;
  @override
  Widget build(BuildContext context) {
    final color = busy || !hasReport ? Colors.blue : threats > 0 ? Colors.orange : Colors.green;
    final label = busy ? 'RUNNING DIAGNOSTICS…' : !hasReport ? 'READY'
      : threats > 0 ? '⚠️ $threats POTENTIAL THREAT${threats == 1 ? '' : 'S'} DETECTED'
      : '✓ NO THREATS DETECTED';
    return Container(padding: const EdgeInsets.all(16),
      decoration: BoxDecoration(color: color.withValues(alpha: .12),
        border: Border.all(color: color.withValues(alpha: .5)), borderRadius: BorderRadius.circular(14)),
      child: Text(label, textAlign: TextAlign.center,
        style: TextStyle(fontWeight: FontWeight.w800, color: color)));
  }
}

class _CheckCard extends StatelessWidget {
  const _CheckCard({required this.result});
  final CheckResult result;
  @override
  Widget build(BuildContext context) {
    final safe = result.status == CheckStatus.clear;
    final color = safe ? Colors.green : result.status == CheckStatus.detected ? Colors.red : Colors.orange;
    return _card(child: Row(children: [
      Icon(safe ? Icons.verified_outlined : Icons.warning_amber_rounded, color: color),
      const SizedBox(width: 12),
      Expanded(child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
        Text(result.check.name, style: const TextStyle(fontWeight: FontWeight.w700)),
        const SizedBox(height: 3),
        Text(result.evidence.isEmpty ? result.status.name : result.evidence.join('\n'),
          style: const TextStyle(fontSize: 12, color: Colors.black54)),
      ])),
      Container(padding: const EdgeInsets.symmetric(horizontal: 9, vertical: 5),
        decoration: BoxDecoration(color: color.withValues(alpha: .12), borderRadius: BorderRadius.circular(20)),
        child: Text(result.status.name.toUpperCase(),
          style: TextStyle(fontSize: 10, fontWeight: FontWeight.w800, color: color))),
    ]));
  }
}