@push.rocks/smartproxy
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A powerful proxy package with unified route-based configuration for high traffic management. Features include SSL/TLS support, flexible routing patterns, WebSocket handling, advanced security options, and automatic ACME certificate management.
116 lines • 7.45 kB
JavaScript
/**
* Protocol Detector V2
*
* Simplified protocol detection using the new architecture
*/
import { TlsDetectorV2 } from './detectors/tls-detector-v2.js';
import { HttpDetectorV2 } from './detectors/http-detector-v2.js';
import { DetectionFragmentManager } from './utils/fragment-manager.js';
/**
* Main protocol detector class - V2
*/
export class ProtocolDetectorV2 {
constructor() {
this.fragmentManager = new DetectionFragmentManager();
this.tlsDetector = new TlsDetectorV2(this.fragmentManager);
this.httpDetector = new HttpDetectorV2(this.fragmentManager);
}
/**
* Detect protocol from buffer data
*/
async detect(buffer, options) {
// Quick sanity check
if (!buffer || buffer.length === 0) {
return {
protocol: 'unknown',
connectionInfo: { protocol: 'unknown' },
isComplete: true
};
}
// Try TLS detection first (more specific)
if (this.tlsDetector.canHandle(buffer)) {
const tlsResult = this.tlsDetector.detect(buffer, options);
if (tlsResult) {
return tlsResult;
}
}
// Try HTTP detection
if (this.httpDetector.canHandle(buffer)) {
const httpResult = this.httpDetector.detect(buffer, options);
if (httpResult) {
return httpResult;
}
}
// Neither TLS nor HTTP
return {
protocol: 'unknown',
connectionInfo: { protocol: 'unknown' },
isComplete: true
};
}
/**
* Detect protocol with connection context for fragmented data
*/
async detectWithContext(buffer, context, options) {
// Quick sanity check
if (!buffer || buffer.length === 0) {
return {
protocol: 'unknown',
connectionInfo: { protocol: 'unknown' },
isComplete: true
};
}
// First peek to determine protocol type
if (this.tlsDetector.canHandle(buffer)) {
const result = this.tlsDetector.detectWithContext(buffer, context, options);
if (result) {
return result;
}
}
if (this.httpDetector.canHandle(buffer)) {
const result = this.httpDetector.detectWithContext(buffer, context, options);
if (result) {
return result;
}
}
// Can't determine protocol
return {
protocol: 'unknown',
connectionInfo: { protocol: 'unknown' },
isComplete: false,
bytesNeeded: Math.max(this.tlsDetector.getMinimumBytes(), this.httpDetector.getMinimumBytes())
};
}
/**
* Clean up resources
*/
cleanup() {
this.fragmentManager.cleanup();
}
/**
* Destroy detector instance
*/
destroy() {
this.fragmentManager.destroy();
}
/**
* Extract domain from connection info
*/
static extractDomain(connectionInfo) {
return connectionInfo.domain || connectionInfo.sni || connectionInfo.host;
}
/**
* Create a connection context from parameters
*/
static createConnectionContext(params) {
return {
id: params.socketId,
sourceIp: params.sourceIp || 'unknown',
sourcePort: params.sourcePort || 0,
destIp: params.destIp || 'unknown',
destPort: params.destPort || 0,
timestamp: Date.now()
};
}
}
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