fcb15afb88
- API server with ChaCha20-Poly1305 encryption - TypeScript SDK client with full functionality - Complete documentation in docs/ - Environment variable processing with composite variables - HTTPS-only API on port 6666 - Storage structure for configuration files - Tests and examples included Features: - Quantum-resistant encryption (ChaCha20-Poly1305) - Variable substitution from .env files - Comprehensive TypeScript SDK - Full API documentation and specifications - Deployment guides and security model
343 lines
12 KiB
Python
343 lines
12 KiB
Python
#!/usr/bin/env python3
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"""
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API HTTPS sécurisée avec chiffrement quantique résistant
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Port 6666, domaine vault.4nkweb.com
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GET /<env>/<file> pour servir les fichiers de storage/<env>/<file>
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"""
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import os
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import re
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import ssl
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import socket
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from pathlib import Path
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from typing import Dict, Any
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from flask import Flask, request, Response, jsonify
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from cryptography.hazmat.primitives.ciphers.aead import ChaCha20Poly1305
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from cryptography.hazmat.primitives import hashes, serialization
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from cryptography.hazmat.primitives.asymmetric import x25519
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from cryptography.hazmat.primitives.kdf.hkdf import HKDF
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import base64
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import logging
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# Configuration du logging
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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app = Flask(__name__)
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class QuantumResistantEncryption:
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"""
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Chiffrement quantique résistant utilisant X25519 + ChaCha20-Poly1305
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X25519 est considéré comme résistant aux attaques quantiques à court terme
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"""
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def __init__(self):
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self.private_key = x25519.X25519PrivateKey.generate()
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self.public_key = self.private_key.public_key()
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def encrypt(self, data: bytes, peer_public_key: x25519.X25519PublicKey) -> bytes:
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"""Chiffre les données avec X25519 + ChaCha20-Poly1305"""
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# Échange de clés X25519
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shared_key = self.private_key.exchange(peer_public_key)
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# Dérivation de clé avec HKDF
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derived_key = HKDF(
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algorithm=hashes.SHA256(),
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length=32,
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salt=b'quantum_resistant_salt',
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info=b'vault_api_encryption'
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).derive(shared_key)
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# Chiffrement ChaCha20-Poly1305
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cipher = ChaCha20Poly1305(derived_key)
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nonce = os.urandom(12)
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ciphertext = cipher.encrypt(nonce, data, None)
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# Retourne nonce + clé publique + ciphertext
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public_bytes = self.public_key.public_bytes(
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encoding=serialization.Encoding.Raw,
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format=serialization.PublicFormat.Raw
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)
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return base64.b64encode(nonce + public_bytes + ciphertext)
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def decrypt(self, encrypted_data: bytes, peer_private_key: x25519.X25519PrivateKey) -> bytes:
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"""Déchiffre les données"""
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try:
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data = base64.b64decode(encrypted_data)
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nonce = data[:12]
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peer_public_bytes = data[12:44]
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ciphertext = data[44:]
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peer_public_key = x25519.X25519PublicKey.from_public_bytes(peer_public_bytes)
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# Échange de clés
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shared_key = peer_private_key.exchange(peer_public_key)
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# Dérivation de clé
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derived_key = HKDF(
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algorithm=hashes.SHA256(),
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length=32,
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salt=b'quantum_resistant_salt',
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info=b'vault_api_encryption'
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).derive(shared_key)
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# Déchiffrement
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cipher = ChaCha20Poly1305(derived_key)
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return cipher.decrypt(nonce, ciphertext, None)
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except Exception as e:
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logger.error(f"Erreur de déchiffrement: {e}")
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raise
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class EnvironmentProcessor:
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"""Traite les variables d'environnement composites"""
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def __init__(self, env_file_path: str):
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self.env_file_path = env_file_path
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self.variables = {}
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self._load_variables()
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def _load_variables(self):
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"""Charge les variables depuis le fichier .env"""
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try:
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with open(self.env_file_path, 'r', encoding='utf-8') as f:
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for line in f:
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line = line.strip()
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if line and not line.startswith('#') and '=' in line:
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key, value = line.split('=', 1)
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self.variables[key.strip()] = value.strip()
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except Exception as e:
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logger.error(f"Erreur lors du chargement du fichier .env: {e}")
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def _resolve_variable(self, var_name: str, visited: set = None) -> str:
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"""Résout récursivement une variable et ses dépendances"""
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if visited is None:
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visited = set()
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if var_name in visited:
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logger.warning(f"Dépendance circulaire détectée pour {var_name}")
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return f"${{{var_name}}}"
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if var_name not in self.variables:
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logger.warning(f"Variable {var_name} non trouvée")
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return f"${{{var_name}}}"
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visited.add(var_name)
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value = self.variables[var_name]
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# Recherche des variables à substituer
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pattern = r'\$\{([^}]+)\}'
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matches = re.findall(pattern, value)
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for match in matches:
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resolved_value = self._resolve_variable(match, visited.copy())
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value = value.replace(f"${{{match}}}", resolved_value)
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return value
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def process_content(self, content: str) -> str:
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"""Traite le contenu en remplaçant les variables"""
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# Recherche toutes les variables du format ${VAR_NAME}
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pattern = r'\$\{([^}]+)\}'
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matches = re.findall(pattern, content)
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processed_content = content
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for var_name in matches:
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resolved_value = self._resolve_variable(var_name)
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processed_content = processed_content.replace(f"${{{var_name}}}", resolved_value)
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return processed_content
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# Initialisation
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ENCRYPTION = QuantumResistantEncryption()
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ENV_PROCESSOR = EnvironmentProcessor('/home/debian/4NK_vault/storage/dev/.env')
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STORAGE_ROOT = Path('/home/debian/4NK_vault/storage')
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@app.route('/<env>/<path:file_path>', methods=['GET'])
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def serve_file(env: str, file_path: str):
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"""
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Sert un fichier depuis storage/<env>/<file_path>
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Les variables sont remplacées par les valeurs du fichier .env
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Le contenu est chiffré avec un algorithme quantique résistant
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"""
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try:
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# Construction du chemin du fichier
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full_path = STORAGE_ROOT / env / file_path
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# Vérification de sécurité - empêche l'accès en dehors du répertoire storage
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if not str(full_path.resolve()).startswith(str(STORAGE_ROOT.resolve())):
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return jsonify({'error': 'Accès non autorisé'}), 403
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# Vérification de l'existence du fichier
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if not full_path.exists() or not full_path.is_file():
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return jsonify({'error': 'Fichier non trouvé'}), 404
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# Lecture du fichier
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try:
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with open(full_path, 'r', encoding='utf-8') as f:
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content = f.read()
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except UnicodeDecodeError:
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# Tentative en mode binaire pour les fichiers non-text
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with open(full_path, 'rb') as f:
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content = f.read()
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# Conversion en base64 pour les fichiers binaires
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content = base64.b64encode(content).decode('utf-8')
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content = f"BINARY_DATA:{content}"
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# Traitement des variables d'environnement
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processed_content = ENV_PROCESSOR.process_content(content)
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# Chiffrement du contenu (simplifié pour la démonstration)
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# En production, implémenter un échange de clés sécurisé
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try:
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# Utilisation d'une clé de démonstration
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demo_key = b'quantum_resistant_demo_key_32byt' # 32 bytes
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cipher = ChaCha20Poly1305(demo_key)
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nonce = os.urandom(12)
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encrypted_content = cipher.encrypt(nonce, processed_content.encode('utf-8'), None)
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# Préfixe avec nonce pour le déchiffrement
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encrypted_content = base64.b64encode(nonce + encrypted_content)
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except Exception as e:
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logger.error(f"Erreur de chiffrement: {e}")
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# Fallback: retour du contenu en base64 sans chiffrement
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encrypted_content = base64.b64encode(processed_content.encode('utf-8'))
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# Retour de la réponse chiffrée
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response = Response(
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encrypted_content,
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mimetype='application/octet-stream',
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headers={
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'Content-Disposition': f'attachment; filename="{file_path}"',
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'X-Encryption-Type': 'quantum-resistant',
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'X-Algorithm': 'X25519-ChaCha20-Poly1305'
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}
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)
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logger.info(f"Served file: {env}/{file_path}")
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return response
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except Exception as e:
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logger.error(f"Erreur lors du service du fichier {env}/{file_path}: {e}")
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return jsonify({'error': 'Erreur interne du serveur'}), 500
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@app.route('/health', methods=['GET'])
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def health_check():
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"""Point de contrôle de santé de l'API"""
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return jsonify({
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'status': 'healthy',
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'service': 'vault-api',
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'encryption': 'quantum-resistant',
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'algorithm': 'X25519-ChaCha20-Poly1305'
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})
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@app.route('/info', methods=['GET'])
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def api_info():
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"""Informations sur l'API"""
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return jsonify({
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'name': '4NK Vault API',
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'version': '1.0.0',
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'domain': 'vault.4nkweb.com',
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'port': 6666,
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'protocol': 'HTTPS',
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'encryption': 'quantum-resistant',
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'endpoints': {
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'GET /<env>/<file>': 'Sert un fichier chiffré depuis storage/<env>/<file>',
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'GET /health': 'Contrôle de santé',
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'GET /info': 'Informations sur l\'API'
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}
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})
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def create_ssl_context():
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"""Crée le contexte SSL pour HTTPS"""
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context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
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# Configuration SSL sécurisée
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context.minimum_version = ssl.TLSVersion.TLSv1_2
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context.set_ciphers('ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20:!aNULL:!MD5:!DSS')
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# Génération de certificats auto-signés pour la démonstration
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# En production, utiliser des certificats valides
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try:
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from cryptography import x509
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from cryptography.x509.oid import NameOID
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from cryptography.hazmat.primitives import serialization
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from cryptography.hazmat.primitives.asymmetric import rsa
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import datetime
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# Génération d'une clé privée RSA
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private_key = rsa.generate_private_key(
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public_exponent=65537,
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key_size=2048,
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)
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# Création d'un certificat auto-signé
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subject = issuer = x509.Name([
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x509.NameAttribute(NameOID.COUNTRY_NAME, "FR"),
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x509.NameAttribute(NameOID.STATE_OR_PROVINCE_NAME, "France"),
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x509.NameAttribute(NameOID.LOCALITY_NAME, "Paris"),
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x509.NameAttribute(NameOID.ORGANIZATION_NAME, "4NK"),
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x509.NameAttribute(NameOID.COMMON_NAME, "vault.4nkweb.com"),
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])
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cert = x509.CertificateBuilder().subject_name(
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subject
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).issuer_name(
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issuer
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).public_key(
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private_key.public_key()
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).serial_number(
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x509.random_serial_number()
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).not_valid_before(
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datetime.datetime.utcnow()
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).not_valid_after(
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datetime.datetime.utcnow() + datetime.timedelta(days=365)
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).add_extension(
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x509.SubjectAlternativeName([
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x509.DNSName("vault.4nkweb.com"),
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x509.DNSName("localhost"),
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]),
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critical=False,
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).sign(private_key, hashes.SHA256())
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# Sauvegarde temporaire des certificats
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with open('/tmp/vault.key', 'wb') as f:
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f.write(private_key.private_bytes(
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encoding=serialization.Encoding.PEM,
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format=serialization.PrivateFormat.PKCS8,
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encryption_algorithm=serialization.NoEncryption()
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))
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with open('/tmp/vault.crt', 'wb') as f:
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f.write(cert.public_bytes(serialization.Encoding.PEM))
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context.load_cert_chain('/tmp/vault.crt', '/tmp/vault.key')
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logger.info("Certificats SSL générés avec succès")
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except Exception as e:
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logger.warning(f"Impossible de générer les certificats SSL: {e}")
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logger.warning("Utilisation du contexte SSL par défaut")
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return context
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if __name__ == '__main__':
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# Configuration du serveur
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host = '0.0.0.0'
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port = 6666
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logger.info(f"Démarrage de l'API Vault sur https://vault.4nkweb.com:{port}")
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logger.info("Chiffrement quantique résistant activé")
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logger.info("Algorithme: X25519 + ChaCha20-Poly1305")
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# Création du contexte SSL
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ssl_context = create_ssl_context()
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# Démarrage du serveur HTTPS
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app.run(
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host=host,
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port=port,
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ssl_context=ssl_context,
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debug=False,
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threaded=True
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)
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