A-class-relays.py

Ensure secure communication using encryption and checksum verification.
Integrate with Partner Networks:
Use GitHub or other partner networks for communication.
Implement authentication and authorization mechanisms.
Example Implementation
Below is the updated code with the institutional partners relay functionality:

from flask import Flask, request, jsonify
import os
from cryptography.fernet import Fernet
import hashlib
import tempfile
import pyotp
import logging
from sklearn.ensemble import IsolationForest
import numpy as np
from py_ecc import bn128
from google.oauth2 import service_account
from google.auth.transport.requests import Request
from deepface import DeepFace
import face_recognition

app = Flask(__name__)

# Generate a key for encryption and decryption
key = Fernet.generate_key()
cipher_suite = Fernet(key)

# Temporary file paths
temp_file_path = tempfile.mktemp()
encrypted_file_path = temp_file_path + ".enc"

# Example data for anomaly detection
user_behavior_data = np.array([[1, 2], [2, 3], [3, 4], [100, 200]])
model = IsolationForest(contamination=0.1)
model.fit(user_behavior_data)

# Configure logging
logging.basicConfig(filename='suspicious_transactions.log', level=logging.WARNING)

# Generate a base32 secret for the user
secret = pyotp.random_base32()

# Load service account credentials
credentials = service_account.Credentials.from_service_account_file('path/to/credentials.json')

def encrypt_data(data):
    """Encrypt data using Fernet symmetric encryption."""
    return cipher_suite.encrypt(data.encode())

def decrypt_data(encrypted_data):
    """Decrypt data using Fernet symmetric encryption."""
    return cipher_suite.decrypt(encrypted_data).decode()

def destroy_file(file_path):
    """Securely delete a file."""
    if os.path.exists(file_path):
        os.remove(file_path)

def generate_checksum(data):
    """Generate SHA-256 checksum for the given data."""
    sha256 = hashlib.sha256()
    sha256.update(data.encode())
    return sha256.hexdigest()

def verify_checksum(data, checksum):
    """Verify the SHA-256 checksum for the given data."""
    return generate_checksum(data) == checksum

def authenticate_user(image_path):
    known_image = face_recognition.load_image_file("known_user.jpg")
    unknown_image = face_recognition.load_image_file(image_path)
    known_encoding = face_recognition.face_encodings(known_image)[0]
    unknown_encoding = face_recognition.face_encodings(unknown_image)[0]
    results = face_recognition.compare_faces([known_encoding], unknown_encoding)
    return results[0]

def detect_deepfake(image_path):
    """Detect deepfake using DeepFace."""
    try:
        result = DeepFace.analyze(img_path=image_path, actions=['emotion'])
        return result['emotion']['deepfake'] < 0.5  # Example threshold
    except Exception as e:
        print(f"Deepfake detection error: {e}")
        return False

def generate_proof(secret):
    G = bn128.G1
    H = bn128.multiply(G, secret)
    return H

def verify_proof(H, secret):
    G = bn128.G1
    return H == bn128.multiply(G, secret)

@app.route('/state/<int:state>/transmission/<int:transmission>', methods=['POST'])
def handle_communication(state, transmission):
    encrypted_data = request.data
    data = decrypt_data(encrypted_data)
    checksum = request.headers.get('Checksum')

    if not verify_checksum(data, checksum):
        return jsonify({"status": "error", "message": "Data integrity check failed"}), 400

    # Handle communication based on state and transmission type
    if state == 1:
        return handle_general_communication(transmission, data)
    elif state == 2:
        return handle_secure_communication(transmission, data)
    elif state == 3:
        return handle_internal_communication(transmission, data)
    else:
        return jsonify({"status": "error", "message": "Invalid state"}), 400

def handle_general_communication(transmission, data):
    if transmission == 1:
        # Handle Data Exchange
        pass
    elif transmission == 2:
        # Handle Status Updates
        pass
    elif transmission == 3:
        # Handle Alerts and Notifications
        pass
    elif transmission == 4:
        # Handle Configuration Changes
        pass
    elif transmission == 5:
        # Handle Logs and Reports
        pass
    else:
        return jsonify({"status": "error", "message": "Invalid transmission type"}), 400
    return jsonify({"status": "success", "message": "General communication handled"}), 200

def handle_secure_communication(transmission, data):
    if transmission == 1:
        # Handle Data Exchange
        pass
    elif transmission == 2:
        # Handle Status Updates
        pass
    elif transmission == 3:
        # Handle Alerts and Notifications
        pass
    elif transmission == 4:
        # Handle Configuration Changes
        pass
    elif transmission == 5:
        # Handle Logs and Reports
        pass
    else:
        return jsonify({"status": "error", "message": "Invalid transmission type"}), 400
    return jsonify({"status": "success", "message": "Secure communication handled"}), 200

def handle_internal_communication(transmission, data):
    if transmission == 1:
        # Handle Data Exchange
        pass
    elif transmission == 2:
        # Handle Status Updates
        pass
    elif transmission == 3:
        # Handle Alerts and Notifications
        pass
    elif transmission == 4:
        # Handle Configuration Changes
        pass
    elif transmission == 5:
        # Handle Logs and Reports
        pass
    else:
        return jsonify({"status": "error", "message": "Invalid transmission type"}), 400
    return jsonify({"status": "success", "message": "Internal communication handled"}), 200

@app.route('/send_data', methods=['POST'])
def send_data():
    state = request.json.get('state')
    transmission = request.json.get('transmission')
    data = request.json.get('data')
    data_str = str(data)
    encrypted_data = encrypt_data(data_str)
    checksum = generate_checksum(data_str)

    headers = {'Checksum': checksum}
    response = requests.post(f'http://localhost:5000/state/{state}/transmission/{transmission}', data=encrypted_data, headers=headers)
    return jsonify(response.json()), response.status_code

@app.route('/biometric_auth', methods=['POST'])
def biometric_auth():
    image_file = request.files['image']
    image_path = os.path.join(tempfile.gettempdir(), image_file.filename)
    image_file.save(image_path)

    if not detect_deepfake(image_path):
        return jsonify({"status": "error", "message": "Deepfake detected"}), 401

    if authenticate_user(image_path):
        return jsonify({"status": "success", "message": "User authenticated"}), 200
    else:
        return jsonify({"status": "error", "message": "Authentication failed"}), 401

@app.route('/generate_otp', methods=['GET'])
def generate_otp():
    totp = pyotp.TOTP(secret)
    otp = totp.now()
    return jsonify({"otp": otp}), 200

@app.route('/verify_otp', methods=['POST'])
def verify_otp():
    otp = request.json.get('otp')
    totp = pyotp.TOTP(secret)
    if totp.verify(otp):
        return jsonify({"status": "success", "message": "OTP verified"}), 200
    else:
        return jsonify({"status": "error", "message": "Invalid OTP"}), 401

@app.route('/anomaly_detection', methods=['POST'])
def anomaly_detection():
    new_data = np.array(request.json.get('data'))
    prediction = model.predict([new_data])
    if prediction[0] == -1:
        return jsonify({"status": "error", "message": "Anomaly detected"}), 403
    else:
        return jsonify({"status": "success", "message": "No anomaly detected"}), 200

@app.route('/transaction', methods=['POST'])
def transaction():
    transaction_data = request.json
    if transaction_data['amount'] > 10000:
        logging.warning(f"Suspicious transaction detected: {transaction_data}")
        return jsonify({"status": "error", "message": "Suspicious transaction detected"}), 403
    else:
        return jsonify({"status": "success", "message": "Transaction approved"}), 200

@app.route('/zk_proof', methods=['POST'])
def zk_proof():
    secret = int(request.json.get('secret'))
    proof = generate_proof(secret)
    return jsonify({"proof": proof}), 200

@app.route('/verify_zk_proof', methods=['POST'])
def verify_zk_proof():
    proof = request.json.get('proof')
    secret = int(request.json.get('secret'))
    if verify_proof(proof, secret):
        return jsonify({"status": "success", "message": "Proof verified"}), 200
    else:
        return jsonify({"status": "error", "message": "Invalid proof"}), 401

@app.route('/google_iam', methods=['GET'])
def google_iam():
    credentials.refresh(Request())
    return jsonify({"status": "success", "message": "Google IAM authenticated"}), 200

# Institutional Partners Relay
@app.route('/partners/send_data', methods=['POST'])
def partners_send_data():
    partner_url = request.json.get('partner_url')
    data = request.json.get('data')
    data_str = str(data)
    encrypted_data = encrypt_data(data_str)
    checksum = generate_checksum(data_str)

    headers = {'Checksum': checksum}
    response = requests.post(partner_url, data=encrypted_data, headers=headers)
    return jsonify(response.json()), response.status_code

@app.route('/partners/receive_data', methods=['POST'])
def partners_receive_data():
    encrypted_data = request.data
    data = decrypt_data(encrypted_data)
    checksum = request.headers.get('Checksum')

    if not verify_checksum(data, checksum):
        return jsonify({"status": "error", "message": "Data integrity check failed"}), 400

    # Process the received data
    print(f"Received data from partner: {data}")
    return jsonify({"status": "success", "message": "Data received from partner"}), 200

if __name__ == '__main__':
    app.run(port=5000, debug=True)