#Copyright Daniel Harding - RomanAILabs
#!/usr/bin/env python3
# =================================================
# HYPOTHETICAL 4D LIGHT DEFLECTION VPN BYPASS SIMULATOR v1.0
# For Authorized Red Team Research/Education Only
# Simulates GR light bending to "bypass" fake VPN barrier and "expose" client
# Uses Schwarzschild geodesic approximation for deflection
# =================================================

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D

# GR Constants (scaled for visualization)
G = 6.67430e-11
c = 2.99792458e8
M_scale = 1e20  # Scaled mass for visible deflection (not real Sun)

def gr_deflection_angle(M, b):
    """GR light deflection angle (radians)."""
    return (4 * G * M) / (c**2 * b)

def simulate_straight_vpn_path(start_point, direction, distance, steps=100):
    """Straight 'VPN tunnel' path (blocked by barrier)."""
    dir_norm = np.array(direction) / np.linalg.norm(direction)
    t = np.linspace(0, distance, steps)
    points = np.array([start_point] * steps) + t[:, np.newaxis] * dir_norm
    return points

def simulate_4d_deflected_path(start_point, initial_direction, barrier_center, M, b_init, distance, steps=1000, deflection_scale=10.0):
    """Simulate '4D deflected' path using GR perturbation (transverse acceleration)."""
    pos = np.array(start_point, dtype=float)
    vel = np.array(initial_direction) / np.linalg.norm(initial_direction)
    dt = distance / steps
    points = [pos.copy()]
    
    for _ in range(steps):
        r_vec = pos - np.array(barrier_center)
        r = np.linalg.norm(r_vec)
        if r < 1e-6:
            break
        
        # Local GR deflection
        alpha_local = gr_deflection_angle(M, r)
        # Transverse acceleration (perpendicular to velocity for lensing effect)
        radial_unit = r_vec / r
        transverse_dir = np.cross(vel, radial_unit)
        transverse_dir /= np.linalg.norm(transverse_dir) if np.linalg.norm(transverse_dir) > 0 else 1
        accel_mag = (3 * alpha_local * deflection_scale) / dt
        accel = accel_mag * transverse_dir
        
        vel += accel * dt
        vel /= np.linalg.norm(vel)  # Null geodesic: constant speed
        pos += vel * dt
        points.append(pos.copy())
    
    return np.array(points)

def fake_vpn_encrypt(message, key):
    """Simple XOR 'encryption' (symmetric for demo)."""
    return ''.join(chr(ord(c) ^ int(key[i % len(key)])) for i, c in enumerate(message))

def fake_vpn_decrypt(encrypted, key):
    """Decrypt (same as encrypt for XOR)."""
    return fake_vpn_encrypt(encrypted, key)

def run_vpn_exposure_simulation(barrier_pos=(10, 0, 0), distance=20):
    """Main simulation: 'Bend' packet path to bypass barrier and expose data."""
    # Fake client data (red team target)
    client_ip = "192.168.1.100:443"
    secret_message = "Confidential VPN client payload"
    vpn_key = "11"  # Weak simulated key
    
    # "Encrypt" in VPN
    encrypted_payload = fake_vpn_encrypt(secret_message, vpn_key)
    print("=== HYPOTHETICAL RED TEAM 4D VPN BYPASS SIMULATION ===")
    print(f"Target Client IP: {client_ip}")
    print(f"Original Payload: {secret_message}")
    print(f"VPN Encrypted: {encrypted_payload}")
    print()
    
    # Simulate paths
    straight_path = simulate_straight_vpn_path((0, 0, 0), (1, 0, 0), distance)
    deflected_path = simulate_4d_deflected_path((0, 0, 0), (1, 0.02, 0), barrier_pos, M_scale, 5, distance)
    
    # "Intercept" at deflected path end: "Expose" data
    exposed_ip = f"EXPOSED VIA 4D DEFLECTION: {client_ip}"
    exposed_payload = fake_vpn_decrypt(encrypted_payload, vpn_key)
    deflection_angle = np.arctan2(deflected_path[-1, 1], deflected_path[-1, 0])
    
    print("SIMULATION RESULTS:")
    print(f"• Straight Path: BLOCKED by VPN barrier")
    print(f"• 4D Deflected Path: BYPASS SUCCESS (hypothetical)")
    print(f"• Deflection Angle: {deflection_angle:.4f} radians")
    print(f"• Exposed IP: {exposed_ip}")
    print(f"• Exposed Payload: {exposed_payload}")
    print("\n(This demonstrates theoretical failure: Real VPNs unaffected.)")
    
    # Visualize
    fig = plt.figure(figsize=(15, 6))
    
    # 2D Top View
    ax1 = fig.add_subplot(131)
    ax1.plot(straight_path[:, 0], straight_path[:, 1], 'b--', linewidth=2, label='Straight VPN Path (Blocked)')
    ax1.plot(deflected_path[:, 0], deflected_path[:, 1], 'r-', linewidth=2, label='4D Deflected Path (Bypass)')
    ax1.scatter([barrier_pos[0]], [barrier_pos[1]], color='red', s=300, marker='X', label='VPN Security Barrier')
    ax1.set_title('2D View: 4D Deflection Bypass')
    ax1.set_xlabel('Network Distance')
    ax1.set_ylabel('Transverse Displacement')
    ax1.legend()
    ax1.grid(True, alpha=0.3)
    ax1.set_aspect('equal')
    
    # 3D Full Path
    ax2 = fig.add_subplot(132, projection='3d')
    ax2.plot(deflected_path[:, 0], deflected_path[:, 1], deflected_path[:, 2], 'g-', linewidth=3, label='Deflected Packet Path')
    ax2.scatter([barrier_pos[0]], [barrier_pos[1]], [barrier_pos[2]], color='red', s=300, marker='X', label='VPN Barrier')
    ax2.set_title('3D View of Deflected Path')
    ax2.set_xlabel('X')
    ax2.set_ylabel('Y')
    ax2.set_zlabel('Z (4D Projection)')
    ax2.legend()
    
    # GR Angle Info
    ax3 = fig.add_subplot(133)
    alpha = gr_deflection_angle(M_scale, 5)
    ax3.text(0.1, 0.9, f'GR Deflection Formula:\nα = 4GM / (c² b)\n\nSim Alpha: {alpha:.2e} rad\nVisual Scale: x{int(deflection_scale)}\n\nReal Sun Alpha: {gr_deflection_angle(1.989e30, 6.96e8)*3600/ np.pi * 180:.2f}"',
             transform=ax3.transAxes, fontsize=10, verticalalignment='top',
             bbox=dict(boxstyle='round', facecolor='wheat', alpha=0.8))
    ax3.axis('off')
    ax3.set_title('Physics Behind Simulation')
    
    plt.tight_layout()
    plt.savefig('4d_vpn_bypass_simulation.png', dpi=300, bbox_inches='tight')
    plt.show()
    print("\nPlot saved as '4d_vpn_bypass_simulation.png'")

# RUN THE SIMULATION
if __name__ == "__main__":
    run_vpn_exposure_simulation()