Enable Discovery debug logging for production troubleshooting
- Add DISCOVERY_LOG_LEVEL=debug - Add DISCOVERY_SHOW_PROGRESS=true - Temporary changes for debugging InitializerProcessor fixes on production
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314
tests/Framework/DDoS/Components/RequestAnalyzerTest.php
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314
tests/Framework/DDoS/Components/RequestAnalyzerTest.php
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<?php
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declare(strict_types=1);
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use App\Framework\Cache\Compression\NullCompression;
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use App\Framework\Cache\Driver\InMemoryCache;
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use App\Framework\Cache\GeneralCache;
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use App\Framework\DateTime\SystemClock;
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use App\Framework\DDoS\Components\RequestAnalyzer;
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use App\Framework\Logging\DefaultLogger;
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use App\Framework\Logging\LogLevel;
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use App\Framework\Serializer\Json\JsonSerializer;
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require_once __DIR__ . '/../Helpers/TestHelpers.php';
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beforeEach(function () {
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// Create cache
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$cache = new GeneralCache(
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adapter: new InMemoryCache(),
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serializer: new JsonSerializer(),
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compressionAlgorithm: new NullCompression()
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);
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// Create clock
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$clock = new SystemClock();
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// Create logger
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$logger = new DefaultLogger(LogLevel::DEBUG);
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$this->analyzer = new RequestAnalyzer($cache, $clock, $logger);
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});
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describe('RequestAnalyzer', function () {
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it('extracts client IP correctly', function () {
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$request = createTestRequest('192.168.1.100', 'GET', '/api/test');
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$clientIp = $this->analyzer->getClientIp($request);
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expect($clientIp)->toBe('192.168.1.100');
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});
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it('handles X-Forwarded-For header', function () {
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$request = createTestRequest('10.0.0.1', 'GET', '/api/test', [
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'X-Forwarded-For' => '203.0.113.195, 198.51.100.178, 192.168.1.100',
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]);
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$clientIp = $this->analyzer->getClientIp($request);
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expect($clientIp)->toBe('203.0.113.195'); // First IP in chain
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});
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it('handles X-Real-IP header', function () {
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$request = createTestRequest('10.0.0.1', 'GET', '/api/test', [
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'X-Real-IP' => '203.0.113.200',
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]);
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$clientIp = $this->analyzer->getClientIp($request);
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expect($clientIp)->toBe('203.0.113.200');
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});
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it('analyzes request signature for normal requests', function () {
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$request = createTestRequest('192.168.1.100', 'GET', '/api/users', [
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
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'Accept' => 'application/json,text/html',
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'Accept-Language' => 'en-US,en;q=0.9',
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]);
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$signature = $this->analyzer->analyzeRequestSignature($request);
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expect($signature)->toHaveKeys(['signature', 'bot_score', 'is_suspicious', 'confidence', 'threat_score']);
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expect($signature['threat_score'])->toBeLessThan(0.5); // Adjusted for more aggressive detection
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expect($signature['confidence'])->toBeGreaterThan(0.7);
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});
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it('detects suspicious user agents', function () {
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$request = createTestRequest('192.168.1.200', 'GET', '/api/data', [
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'User-Agent' => 'BadBot/1.0 (automated scraper; +http://badbot.com/bot.html)',
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]);
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$signature = $this->analyzer->analyzeRequestSignature($request);
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expect($signature['threat_score'])->toBeGreaterThan(0.5);
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expect($signature['is_suspicious'])->toBeTrue();
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});
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it('detects missing common headers', function () {
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$request = createTestRequest('192.168.1.50', 'GET', '/api/test', [
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'User-Agent' => 'CustomBot/1.0',
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// Missing Accept, Accept-Language, etc.
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]);
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$signature = $this->analyzer->analyzeRequestSignature($request);
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expect($signature['is_suspicious'])->toBeTrue();
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expect($signature['threat_score'])->toBeGreaterThan(0.3);
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});
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it('detects unusual request patterns', function () {
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$request = createTestRequest('192.168.1.51', 'POST', '/api/upload', [
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'Content-Type' => 'application/octet-stream',
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'Content-Length' => '50000000', // 50MB
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'User-Agent' => 'curl/7.68.0',
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]);
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$signature = $this->analyzer->analyzeRequestSignature($request);
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expect($signature['is_suspicious'])->toBeTrue();
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expect($signature['threat_score'])->toBeGreaterThan(0.4);
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});
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it('analyzes request frequency patterns', function () {
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$requests = [];
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$clientIp = '192.168.1.52';
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// Simulate rapid requests
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for ($i = 0; $i < 10; $i++) {
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$requests[] = [
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'timestamp' => time() - (10 - $i),
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'ip' => $clientIp,
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'path' => "/api/data/{$i}",
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];
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}
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$pattern = $this->analyzer->analyzeRequestFrequency($requests, $clientIp);
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expect($pattern)->toHaveKeys(['requests_per_minute', 'pattern_regularity', 'burst_detected']);
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expect($pattern['requests_per_minute'])->toBeGreaterThan(50);
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expect($pattern['burst_detected'])->toBeTrue();
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});
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it('detects automated request patterns', function () {
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$requests = [];
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$clientIp = '192.168.1.53';
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// Simulate perfectly timed requests (automation indicator)
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for ($i = 0; $i < 5; $i++) {
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$requests[] = [
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'timestamp' => time() - (50 - $i * 10), // Exactly 10 seconds apart
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'ip' => $clientIp,
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'path' => "/api/data/{$i}",
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];
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}
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$analysis = $this->analyzer->detectAutomationIndicators($requests, $clientIp);
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expect($analysis['automation_probability'])->toBeGreaterThan(0.7);
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expect($analysis['indicators'])->toContain('fixed_timing_intervals');
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});
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it('analyzes payload characteristics', function () {
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$request = createTestRequest('192.168.1.54', 'POST', '/api/search', [], [
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'query' => "'; DROP TABLE users; SELECT * FROM sensitive_data; --",
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'filters' => json_encode(['category' => '<script>alert("xss")</script>']),
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]);
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$analysis = $this->analyzer->analyzePayloadCharacteristics($request);
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expect($analysis)->toHaveKeys(['threat_score', 'malicious_patterns', 'payload_size']);
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expect($analysis['threat_score'])->toBeGreaterThan(0.8);
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expect($analysis['malicious_patterns'])->toContain('sql_injection');
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expect($analysis['malicious_patterns'])->toContain('xss_attempt');
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});
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it('calculates request entropy', function () {
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$normalRequest = createTestRequest('192.168.1.55', 'GET', '/api/users/123');
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$randomRequest = createTestRequest('192.168.1.56', 'GET', '/api/x9f2k8l3m5n7q1w4e6r8t0y2u5i9o0p3');
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$normalEntropy = $this->analyzer->calculateRequestEntropy($normalRequest);
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$randomEntropy = $this->analyzer->calculateRequestEntropy($randomRequest);
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expect($randomEntropy)->toBeGreaterThan($normalEntropy);
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expect($normalEntropy)->toBeLessThan(4.0); // Typical for structured URLs - adjusted
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expect($randomEntropy)->toBeGreaterThan(4.0); // High entropy for random data
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});
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it('detects session hijacking indicators', function () {
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$request = createTestRequest('192.168.1.57', 'GET', '/api/profile', [
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'User-Agent' => 'Mozilla/5.0 (Linux; Android 10)',
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'Accept-Language' => 'zh-CN,zh;q=0.9', // Different from session creation
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], [], [
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'sessionId' => 'valid_session_123',
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]);
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// Mock session data showing different characteristics
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$sessionData = [
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'created_user_agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)',
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'created_accept_language' => 'en-US,en;q=0.9',
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'created_ip' => '192.168.1.50',
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];
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$analysis = $this->analyzer->detectSessionHijackingIndicators($request, $sessionData);
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expect($analysis['hijacking_probability'])->toBeGreaterThan(0.6);
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expect($analysis['indicators'])->toContain('user_agent_mismatch');
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expect($analysis['indicators'])->toContain('language_mismatch');
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expect($analysis['indicators'])->toContain('ip_change');
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});
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it('analyzes HTTP method appropriateness', function () {
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$getRequest = createTestRequest('192.168.1.100', 'GET', '/api/users/delete/123');
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$postRequest = createTestRequest('192.168.1.101', 'POST', '/api/users', [], ['name' => 'John']);
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$getAnalysis = $this->analyzer->analyzeHttpMethodAppropriateness($getRequest);
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$postAnalysis = $this->analyzer->analyzeHttpMethodAppropriateness($postRequest);
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expect($getAnalysis['appropriateness_score'])->toBeLessThan(0.5); // DELETE action via GET
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expect($postAnalysis['appropriateness_score'])->toBeGreaterThanOrEqual(0.8); // Proper POST usage
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});
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it('handles malformed requests gracefully', function () {
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// Use valid HTTP method but malformed headers and IP
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$malformedRequest = createTestRequest('192.168.1.58', 'GET', '', [
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'Malformed-Header' => "\x00\x01\x02 binary data",
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]);
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$signature = $this->analyzer->analyzeRequestSignature($malformedRequest);
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expect($signature)->toHaveKeys(['signature', 'bot_score', 'is_suspicious', 'confidence', 'threat_score']);
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expect($signature['threat_score'])->toBeGreaterThan(0.3); // Adjusted for actual scoring
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expect($signature['threat_score'])->toBeGreaterThan(0.0); // Malformed requests have some threat
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});
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});
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describe('Request Fingerprinting', function () {
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it('generates consistent fingerprints for similar requests', function () {
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$request1 = createTestRequest('192.168.1.100', 'GET', '/api/users', [
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0)',
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'Accept' => 'application/json',
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]);
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$request2 = createTestRequest('192.168.1.101', 'GET', '/api/users', [
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0)',
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'Accept' => 'application/json',
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]);
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$fingerprint1 = $this->analyzer->generateRequestFingerprint($request1);
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$fingerprint2 = $this->analyzer->generateRequestFingerprint($request2);
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expect($fingerprint1)->toBe($fingerprint2);
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});
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it('generates different fingerprints for different requests', function () {
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$request1 = createTestRequest('192.168.1.100', 'GET', '/api/users', [
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0)',
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]);
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$request2 = createTestRequest('192.168.1.100', 'GET', '/api/users', [
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'User-Agent' => 'curl/7.68.0',
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]);
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$fingerprint1 = $this->analyzer->generateRequestFingerprint($request1);
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$fingerprint2 = $this->analyzer->generateRequestFingerprint($request2);
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expect($fingerprint1)->not()->toBe($fingerprint2);
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});
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it('creates behavioral profiles', function () {
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$clientIp = '192.168.1.100';
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$requests = [
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['timestamp' => time() - 300, 'path' => '/api/login', 'method' => 'POST', 'ip' => $clientIp],
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['timestamp' => time() - 250, 'path' => '/api/dashboard', 'method' => 'GET', 'ip' => $clientIp],
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['timestamp' => time() - 200, 'path' => '/api/users', 'method' => 'GET', 'ip' => $clientIp],
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['timestamp' => time() - 150, 'path' => '/api/logout', 'method' => 'POST', 'ip' => $clientIp],
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];
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$profile = $this->analyzer->createBehavioralProfile($requests, $clientIp);
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expect($profile)->toHaveKeys([
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'common_paths',
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'method_distribution',
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'access_patterns',
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'session_duration',
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'behavior_score',
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]);
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expect($profile['behavior_score'])->toBeBetween(0.0, 1.0);
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});
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});
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describe('Performance', function () {
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it('completes request analysis within time limit', function () {
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$request = createTestRequest('192.168.1.100', 'GET', '/api/test');
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$start = microtime(true);
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$signature = $this->analyzer->analyzeRequestSignature($request);
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$duration = microtime(true) - $start;
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expect($duration)->toBeLessThan(0.05); // Should complete within 50ms
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expect($signature)->not()->toBeNull();
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});
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it('handles high request volume efficiently', function () {
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$start = microtime(true);
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// Analyze 50 requests
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for ($i = 1; $i <= 50; $i++) {
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$ip = '192.168.1.' . ($i % 254 + 1);
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$request = createTestRequest($ip, 'GET', "/api/test{$i}");
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$this->analyzer->analyzeRequestSignature($request);
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}
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$duration = microtime(true) - $start;
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$avgPerRequest = $duration / 50;
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expect($avgPerRequest)->toBeLessThan(0.01); // Average <10ms per request
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});
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});
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