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""" |
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Ultra-minimal OpenVPN Config Manager |
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No external dependencies - Python built-in only |
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""" |
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from http.server import HTTPServer, BaseHTTPRequestHandler |
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import json |
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from urllib.parse import parse_qs, urlparse |
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from datetime import datetime |
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class OpenVPNHandler(BaseHTTPRequestHandler): |
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def do_GET(self): |
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if self.path == '/': |
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self.send_response(200) |
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self.send_header('Content-type', 'text/html') |
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self.end_headers() |
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html = '''<!DOCTYPE html> |
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<html> |
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<head> |
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<title>OpenVPN Configuration Manager</title> |
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<style> |
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body { font-family: Arial, sans-serif; margin: 40px; background: #f5f5f5; } |
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.container { max-width: 800px; margin: 0 auto; background: white; padding: 30px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); } |
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h1 { color: #2563eb; text-align: center; } |
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.form-group { margin: 20px 0; } |
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label { display: block; margin-bottom: 5px; font-weight: bold; } |
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input, select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 5px; } |
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button { background: #2563eb; color: white; padding: 12px 24px; border: none; border-radius: 5px; cursor: pointer; font-size: 16px; } |
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button:hover { background: #1d4ed8; } |
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.tabs { display: flex; margin-bottom: 20px; } |
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.tab { padding: 10px 20px; background: #e5e7eb; border: none; cursor: pointer; } |
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.tab.active { background: #2563eb; color: white; } |
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.tab-content { display: none; } |
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.tab-content.active { display: block; } |
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.config-output { width: 100%; height: 200px; font-family: monospace; padding: 10px; border: 1px solid #ddd; border-radius: 5px; } |
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</style> |
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</head> |
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<body> |
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<div class="container"> |
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<h1>🔒 OpenVPN Configuration Manager</h1> |
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<div class="tabs"> |
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<button class="tab active" onclick="showTab('client')">Client Config</button> |
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<button class="tab" onclick="showTab('server')">Server Config</button> |
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<button class="tab" onclick="showTab('guide')">Deployment Guide</button> |
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</div> |
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<div id="client" class="tab-content active"> |
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<h3>Generate Client Configuration</h3> |
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<div class="form-group"> |
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<label>Client Name:</label> |
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<input type="text" id="clientName" value="client1"> |
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</div> |
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<div class="form-group"> |
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<label>Server Host:</label> |
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<input type="text" id="serverHost" value="vpn.example.com"> |
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</div> |
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<div class="form-group"> |
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<label>Port:</label> |
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<input type="number" id="serverPort" value="1194"> |
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</div> |
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<div class="form-group"> |
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<label>Protocol:</label> |
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<select id="protocol"> |
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<option value="udp">UDP</option> |
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<option value="tcp">TCP</option> |
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</select> |
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</div> |
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<button onclick="generateConfig()">Generate Configuration</button> |
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<div class="form-group"> |
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<label>Generated Configuration:</label> |
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<textarea id="clientConfig" class="config-output" readonly></textarea> |
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</div> |
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</div> |
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<div id="server" class="tab-content"> |
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<h3>Server Configuration</h3> |
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<textarea class="config-output" readonly>server 10.8.0.0 255.255.255.0 |
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port 1194 |
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proto udp |
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dev tun |
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ca ca.crt |
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cert server.crt |
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key server.key |
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dh dh.pem |
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user nobody |
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group nogroup |
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persist-key |
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persist-tun |
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push "redirect-gateway def1 bypass-dhcp" |
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push "dhcp-option DNS 8.8.8.8" |
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keepalive 10 120 |
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cipher AES-256-GCM |
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auth SHA256 |
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verb 3 |
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mute 20</textarea> |
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</div> |
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<div id="guide" class="tab-content"> |
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<h3>Deployment Guide</h3> |
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<div style="padding: 10px; background: #f9f9f9; border-radius: 5px;"> |
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<h4>Server Setup:</h4> |
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<pre>1. Install OpenVPN: sudo apt install openvpn |
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2. Copy server config to /etc/openvpn/server.conf |
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3. Generate certificates using easy-rsa |
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4. Start OpenVPN: sudo systemctl start openvpn@server</pre> |
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<h4>Client Setup:</h4> |
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<pre>1. Generate client config using this tool |
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2. Save as .ovpn file |
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3. Import to OpenVPN client |
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4. Connect to server</pre> |
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</div> |
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</div> |
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</div> |
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<script> |
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function showTab(tabName) { |
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// Hide all tab contents |
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document.querySelectorAll('.tab-content').forEach(content => { |
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content.classList.remove('active'); |
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}); |
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// Remove active class from all tabs |
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document.querySelectorAll('.tab').forEach(tab => { |
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tab.classList.remove('active'); |
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}); |
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// Show selected tab |
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document.getElementById(tabName).classList.add('active'); |
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event.target.classList.add('active'); |
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} |
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function generateConfig() { |
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const clientName = document.getElementById('clientName').value; |
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const serverHost = document.getElementById('serverHost').value; |
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const serverPort = document.getElementById('serverPort').value; |
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const protocol = document.getElementById('protocol').value; |
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const now = new Date().toLocaleString(); |
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const config = `# OpenVPN Client Configuration |
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# Generated: ${now} |
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# Client: ${clientName} |
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client |
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dev tun |
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proto ${protocol} |
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remote ${serverHost} ${serverPort} |
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resolv-retry infinite |
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nobind |
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persist-key |
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persist-tun |
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remote-cert-tls server |
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cipher AES-256-GCM |
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auth SHA256 |
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verb 3 |
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# Security notes: |
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# - Use strong ciphers (AES-256-GCM) |
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# - Enable certificate verification |
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# - Keep certificates secure`; |
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document.getElementById('clientConfig').value = config; |
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} |
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</script> |
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</body> |
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</html>''' |
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self.wfile.write(html.encode()) |
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def log_message(self, format, *args): |
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pass |
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def run_server(): |
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port = 7860 |
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server = HTTPServer(('0.0.0.0', port), OpenVPNHandler) |
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print(f"Server running on port {port}") |
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server.serve_forever() |
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if __name__ == "__main__": |
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run_server() |
