Update: 2026-05-06 05:11:51

This commit is contained in:
Hamza-Ayed
2026-05-06 05:11:51 +03:00
parent 01234bf3f2
commit a9a2c65bee
8 changed files with 359 additions and 53 deletions

60
app/Core/Cache.php Normal file
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@@ -0,0 +1,60 @@
<?php
/**
* Redis Cache Wrapper
*/
declare(strict_types=1);
namespace App\Core;
class Cache
{
private static ?\Predis\Client $client = null;
public static function getInstance(): ?\Predis\Client
{
if (self::$client === null) {
$host = env('REDIS_HOST', '127.0.0.1');
$port = (int)env('REDIS_PORT', 6379);
$pass = env('REDIS_PASSWORD', null);
try {
self::$client = new \Predis\Client([
'scheme' => 'tcp',
'host' => $host,
'port' => $port,
'password' => $pass,
]);
self::$client->connect();
} catch (\Exception $e) {
error_log("Redis Connection Error: " . $e->getMessage());
return null;
}
}
return self::$client;
}
public static function set(string $key, $value, int $ttl = 3600): bool
{
$redis = self::getInstance();
if (!$redis) return false;
$redis->setex($key, $ttl, serialize($value));
return true;
}
public static function get(string $key)
{
$redis = self::getInstance();
if (!$redis) return false;
$data = $redis->get($key);
return $data ? unserialize($data) : null;
}
public static function delete(string $key): void
{
$redis = self::getInstance();
if ($redis) $redis->del([$key]);
}
}

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@@ -15,54 +15,61 @@ final class RateLimitMiddleware
*/ */
public static function check(int $maxRequests = 60, int $timeWindow = 60): void public static function check(int $maxRequests = 60, int $timeWindow = 60): void
{ {
$ip = $_SERVER['REMOTE_ADDR'] ?? 'unknown'; $ip = $_SERVER['REMOTE_ADDR'] ?? 'unknown';
$key = 'rl:' . md5($ip);
// 1. Try Redis first
$redis = \App\Core\Cache::getInstance();
if ($redis) {
try {
$count = $redis->get($key);
if ($count && (int)$count >= $maxRequests) {
header('Retry-After: ' . $timeWindow);
json_error('Too Many Requests. Please slow down.', 429);
}
if (!$count) {
$redis->setex($key, $timeWindow, 1);
} else {
$redis->incr($key);
}
return; // Success with Redis
} catch (\Exception $e) {
// Fallback to file-based if Redis fails
}
}
// 2. Fallback: File-based rate limiter (original logic)
$cacheDir = STORAGE_PATH . '/cache'; $cacheDir = STORAGE_PATH . '/cache';
$cacheFile = $cacheDir . '/rl_' . md5($ip) . '.json'; $cacheFile = $cacheDir . '/rl_' . md5($ip) . '.json';
if (!is_dir($cacheDir)) mkdir($cacheDir, 0755, true);
if (!is_dir($cacheDir)) {
mkdir($cacheDir, 0755, true);
}
// M2 Fix: Use exclusive file lock to prevent race condition
$fp = fopen($cacheFile, 'c+'); $fp = fopen($cacheFile, 'c+');
if ($fp === false) { if ($fp === false) return;
// If we can't open the file, fail open (don't block all users)
return;
}
try { try {
flock($fp, LOCK_EX); // Exclusive lock — blocks until acquired flock($fp, LOCK_EX);
$now = time();
$now = time(); $content = stream_get_contents($fp);
$content = stream_get_contents($fp);
$requests = []; $requests = [];
if (!empty($content)) { if (!empty($content)) {
$decoded = json_decode($content, true); $decoded = json_decode($content, true);
if (is_array($decoded)) { if (is_array($decoded)) {
// Keep only requests within the time window $requests = array_values(array_filter($decoded, fn($ts) => $ts > ($now - $timeWindow)));
$requests = array_values(
array_filter($decoded, fn($ts) => $ts > ($now - $timeWindow))
);
} }
} }
if (count($requests) >= $maxRequests) { if (count($requests) >= $maxRequests) {
flock($fp, LOCK_UN); flock($fp, LOCK_UN);
fclose($fp); fclose($fp);
header('Retry-After: ' . $timeWindow); header('Retry-After: ' . $timeWindow);
json_error('Too Many Requests. Please slow down.', 429); json_error('Too Many Requests. Please slow down.', 429);
} }
// Record this request
$requests[] = $now; $requests[] = $now;
// Write updated data back
ftruncate($fp, 0); ftruncate($fp, 0);
rewind($fp); rewind($fp);
fwrite($fp, json_encode($requests)); fwrite($fp, json_encode($requests));
} finally { } finally {
flock($fp, LOCK_UN); flock($fp, LOCK_UN);
fclose($fp); fclose($fp);

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@@ -15,54 +15,61 @@ final class RateLimitMiddleware
*/ */
public static function check(int $maxRequests = 60, int $timeWindow = 60): void public static function check(int $maxRequests = 60, int $timeWindow = 60): void
{ {
$ip = $_SERVER['REMOTE_ADDR'] ?? 'unknown'; $ip = $_SERVER['REMOTE_ADDR'] ?? 'unknown';
$key = 'rl:' . md5($ip);
// 1. Try Redis first
$redis = \App\Core\Cache::getInstance();
if ($redis) {
try {
$count = $redis->get($key);
if ($count && (int)$count >= $maxRequests) {
header('Retry-After: ' . $timeWindow);
json_error('Too Many Requests. Please slow down.', 429);
}
if (!$count) {
$redis->setex($key, $timeWindow, 1);
} else {
$redis->incr($key);
}
return; // Success with Redis
} catch (\Exception $e) {
// Fallback to file-based if Redis fails
}
}
// 2. Fallback: File-based rate limiter (original logic)
$cacheDir = STORAGE_PATH . '/cache'; $cacheDir = STORAGE_PATH . '/cache';
$cacheFile = $cacheDir . '/rl_' . md5($ip) . '.json'; $cacheFile = $cacheDir . '/rl_' . md5($ip) . '.json';
if (!is_dir($cacheDir)) mkdir($cacheDir, 0755, true);
if (!is_dir($cacheDir)) {
mkdir($cacheDir, 0755, true);
}
// M2 Fix: Use exclusive file lock to prevent race condition
$fp = fopen($cacheFile, 'c+'); $fp = fopen($cacheFile, 'c+');
if ($fp === false) { if ($fp === false) return;
// If we can't open the file, fail open (don't block all users)
return;
}
try { try {
flock($fp, LOCK_EX); // Exclusive lock — blocks until acquired flock($fp, LOCK_EX);
$now = time();
$now = time(); $content = stream_get_contents($fp);
$content = stream_get_contents($fp);
$requests = []; $requests = [];
if (!empty($content)) { if (!empty($content)) {
$decoded = json_decode($content, true); $decoded = json_decode($content, true);
if (is_array($decoded)) { if (is_array($decoded)) {
// Keep only requests within the time window $requests = array_values(array_filter($decoded, fn($ts) => $ts > ($now - $timeWindow)));
$requests = array_values(
array_filter($decoded, fn($ts) => $ts > ($now - $timeWindow))
);
} }
} }
if (count($requests) >= $maxRequests) { if (count($requests) >= $maxRequests) {
flock($fp, LOCK_UN); flock($fp, LOCK_UN);
fclose($fp); fclose($fp);
header('Retry-After: ' . $timeWindow); header('Retry-After: ' . $timeWindow);
json_error('Too Many Requests. Please slow down.', 429); json_error('Too Many Requests. Please slow down.', 429);
} }
// Record this request
$requests[] = $now; $requests[] = $now;
// Write updated data back
ftruncate($fp, 0); ftruncate($fp, 0);
rewind($fp); rewind($fp);
fwrite($fp, json_encode($requests)); fwrite($fp, json_encode($requests));
} finally { } finally {
flock($fp, LOCK_UN); flock($fp, LOCK_UN);
fclose($fp); fclose($fp);

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@@ -5,6 +5,8 @@ import '../../features/auth/views/otp_verify_view.dart';
import '../../features/auth/views/biometric_setup_view.dart'; import '../../features/auth/views/biometric_setup_view.dart';
import '../../features/auth/views/biometric_auth_view.dart'; import '../../features/auth/views/biometric_auth_view.dart';
import '../../features/dashboard/views/dashboard_view.dart'; import '../../features/dashboard/views/dashboard_view.dart';
import '../../features/scanner/views/scanner_view.dart';
import '../../features/scanner/controllers/scanner_controller.dart';
import '../../core/storage/secure_storage.dart'; import '../../core/storage/secure_storage.dart';
part 'app_routes.dart'; part 'app_routes.dart';
@@ -61,5 +63,12 @@ class AppPages {
name: AppRoutes.DASHBOARD, name: AppRoutes.DASHBOARD,
page: () => DashboardView(), page: () => DashboardView(),
), ),
GetPage(
name: AppRoutes.SCANNER,
page: () => const ScannerView(),
binding: BindingsBuilder(() {
Get.put(ScannerController());
}),
),
]; ];
} }

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@@ -8,4 +8,5 @@ abstract class AppRoutes {
static const BIOMETRIC_AUTH = '/biometric-auth'; static const BIOMETRIC_AUTH = '/biometric-auth';
static const LOGIN = '/login'; static const LOGIN = '/login';
static const DASHBOARD = '/dashboard'; static const DASHBOARD = '/dashboard';
static const SCANNER = '/scanner';
} }

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@@ -43,11 +43,13 @@ class DashboardView extends StatelessWidget {
const SizedBox(height: 48), const SizedBox(height: 48),
ElevatedButton.icon( ElevatedButton.icon(
icon: const Icon(Icons.document_scanner), icon: const Icon(Icons.document_scanner),
label: const Text('المسح الضوئي (المرحلة 2)'), label: const Text('مسح فاتورة جديدة'),
onPressed: () { style: ElevatedButton.styleFrom(
Get.snackbar( backgroundColor: const Color(0xFF0F4C81),
'قريباً', 'سيتم برمجة هذه الميزة في المرحلة الثانية'); foregroundColor: Colors.white,
}, padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
),
onPressed: () => Get.toNamed(AppRoutes.SCANNER),
) )
], ],
), ),

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@@ -0,0 +1,52 @@
import 'dart:io';
import 'package:get/get.dart';
import 'package:path_provider/path_provider.dart';
import 'package:path/path.dart' as path;
import '../../../core/utils/logger.dart';
import '../../../core/utils/app_snackbar.dart';
class ScannerController extends GetxController {
var capturedImages = <File>[].obs;
var isProcessing = false.obs;
void addImage(String imagePath) {
capturedImages.add(File(imagePath));
AppLogger.print('Added image to batch: $imagePath. Total: ${capturedImages.length}');
}
void removeImage(int index) {
if (index >= 0 && index < capturedImages.length) {
capturedImages.removeAt(index);
}
}
Future<void> uploadBatch() async {
if (capturedImages.isEmpty) {
AppSnackbar.showWarning('تنبيه', 'الرجاء تصوير فاتورة واحدة على الأقل');
return;
}
try {
isProcessing.value = true;
AppLogger.print('Uploading batch of ${capturedImages.length} images...');
// TODO: Implement actual upload logic with Dio
await Future.delayed(const Duration(seconds: 2)); // Simulate
AppSnackbar.showSuccess('نجاح', 'تم رفع ${capturedImages.length} فواتير للمعالجة بنجاح');
capturedImages.clear();
Get.back(); // Go back to dashboard or previous screen
} catch (e) {
AppLogger.error('Failed to upload batch', e);
AppSnackbar.showError('خطأ', 'فشل رفع الفواتير، يرجى المحاولة لاحقاً');
} finally {
isProcessing.value = false;
}
}
Future<String> getSavePath() async {
final directory = await getTemporaryDirectory();
final fileName = 'invoice_${DateTime.now().millisecondsSinceEpoch}.jpg';
return path.join(directory.path, fileName);
}
}

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@@ -0,0 +1,168 @@
import 'package:camerawesome/camerawesome_plugin.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import '../controllers/scanner_controller.dart';
class ScannerView extends GetView<ScannerController> {
const ScannerView({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
body: Stack(
children: [
// 1. Camera Layer
CameraAwesomeBuilder.awesome(
saveConfig: SaveConfig.photo(
pathBuilder: (sensors) async {
final path = await controller.getSavePath();
if (sensors.length == 1) {
return SingleCaptureRequest(path, sensors.first);
} else {
// For multiple sensors, we take the first one for the path
return MultipleCaptureRequest({
for (var sensor in sensors) sensor: path,
});
}
},
),
onMediaTap: (media) {
final path = media.captureRequest.when(
single: (single) => single.file?.path,
multiple: (multiple) =>
multiple.fileBySensor.values.first?.path,
);
if (path != null) {
controller.addImage(path);
}
},
onMediaCaptureEvent: (event) {
if (event.status == MediaCaptureStatus.success) {
final path = event.captureRequest.when(
single: (single) => single.file?.path,
multiple: (multiple) =>
multiple.fileBySensor.values.first?.path,
);
if (path != null) {
controller.addImage(path);
}
}
},
topActionsBuilder: (state) => AwesomeTopActions(
state: state,
children: [
AwesomeFlashButton(state: state),
const Spacer(),
TextButton.icon(
onPressed: () => Get.back(),
icon: const Icon(Icons.close, color: Colors.white),
label: const Text('إغلاق',
style: TextStyle(color: Colors.white)),
),
],
),
middleContentBuilder: (state) => const Center(
child: Text(
'قم بمحاذاة الفاتورة داخل الإطار',
style: TextStyle(
color: Colors.white,
fontSize: 16,
backgroundColor: Colors.black26,
),
),
),
bottomActionsBuilder: (state) => AwesomeBottomActions(
state: state,
left: const SizedBox(),
right: AwesomeCameraSwitchButton(state: state),
),
),
// 2. Batch Overlay (Bottom)
Positioned(
bottom: 120,
left: 0,
right: 0,
child: Obx(() => controller.capturedImages.isEmpty
? const SizedBox()
: Container(
height: 100,
padding: const EdgeInsets.symmetric(horizontal: 16),
child: ListView.builder(
scrollDirection: Axis.horizontal,
itemCount: controller.capturedImages.length,
itemBuilder: (context, index) {
return Padding(
padding: const EdgeInsets.only(right: 8.0),
child: Stack(
children: [
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: Image.file(
controller.capturedImages[index],
width: 80,
height: 100,
fit: BoxFit.cover,
),
),
Positioned(
top: 0,
right: 0,
child: GestureDetector(
onTap: () => controller.removeImage(index),
child: Container(
decoration: const BoxDecoration(
color: Colors.red,
shape: BoxShape.circle,
),
child: const Icon(Icons.close,
size: 16, color: Colors.white),
),
),
),
],
),
);
},
),
)),
),
// 3. Upload Button
Positioned(
top: 20,
left: 80,
right: 80,
child: Obx(() => controller.capturedImages.isEmpty
? const SizedBox()
: ElevatedButton.icon(
onPressed: controller.isProcessing.value
? null
: () => controller.uploadBatch(),
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF0F4C81),
padding: const EdgeInsets.symmetric(vertical: 16),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(30)),
),
icon: controller.isProcessing.value
? const SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
color: Colors.white, strokeWidth: 2))
: const Icon(Icons.cloud_upload, color: Colors.white),
label: Text(
'رفع ${controller.capturedImages.length} فواتير',
style: const TextStyle(
fontSize: 16,
fontWeight: FontWeight.bold,
color: Colors.white),
),
)),
),
],
),
);
}
}