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#!/usr/bin/env python3
"""
Ultra-minimal OpenVPN Config Manager
No external dependencies - Python built-in only
"""
from http.server import HTTPServer, BaseHTTPRequestHandler
import json
from urllib.parse import parse_qs, urlparse
from datetime import datetime
class OpenVPNHandler(BaseHTTPRequestHandler):
def do_GET(self):
if self.path == '/':
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
html = '''<!DOCTYPE html>
<html>
<head>
<title>OpenVPN Configuration Manager</title>
<style>
body { font-family: Arial, sans-serif; margin: 40px; background: #f5f5f5; }
.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); }
h1 { color: #2563eb; text-align: center; }
.form-group { margin: 20px 0; }
label { display: block; margin-bottom: 5px; font-weight: bold; }
input, select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 5px; }
button { background: #2563eb; color: white; padding: 12px 24px; border: none; border-radius: 5px; cursor: pointer; font-size: 16px; }
button:hover { background: #1d4ed8; }
.tabs { display: flex; margin-bottom: 20px; }
.tab { padding: 10px 20px; background: #e5e7eb; border: none; cursor: pointer; }
.tab.active { background: #2563eb; color: white; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.config-output { width: 100%; height: 200px; font-family: monospace; padding: 10px; border: 1px solid #ddd; border-radius: 5px; }
</style>
</head>
<body>
<div class="container">
<h1>🔒 OpenVPN Configuration Manager</h1>
<div class="tabs">
<button class="tab active" onclick="showTab('client')">Client Config</button>
<button class="tab" onclick="showTab('server')">Server Config</button>
<button class="tab" onclick="showTab('guide')">Deployment Guide</button>
</div>
<div id="client" class="tab-content active">
<h3>Generate Client Configuration</h3>
<div class="form-group">
<label>Client Name:</label>
<input type="text" id="clientName" value="client1">
</div>
<div class="form-group">
<label>Server Host:</label>
<input type="text" id="serverHost" value="vpn.example.com">
</div>
<div class="form-group">
<label>Port:</label>
<input type="number" id="serverPort" value="1194">
</div>
<div class="form-group">
<label>Protocol:</label>
<select id="protocol">
<option value="udp">UDP</option>
<option value="tcp">TCP</option>
</select>
</div>
<button onclick="generateConfig()">Generate Configuration</button>
<div class="form-group">
<label>Generated Configuration:</label>
<textarea id="clientConfig" class="config-output" readonly></textarea>
</div>
</div>
<div id="server" class="tab-content">
<h3>Server Configuration</h3>
<textarea class="config-output" readonly>server 10.8.0.0 255.255.255.0
port 1194
proto udp
dev tun
ca ca.crt
cert server.crt
key server.key
dh dh.pem
user nobody
group nogroup
persist-key
persist-tun
push "redirect-gateway def1 bypass-dhcp"
push "dhcp-option DNS 8.8.8.8"
keepalive 10 120
cipher AES-256-GCM
auth SHA256
verb 3
mute 20</textarea>
</div>
<div id="guide" class="tab-content">
<h3>Deployment Guide</h3>
<div style="padding: 10px; background: #f9f9f9; border-radius: 5px;">
<h4>Server Setup:</h4>
<pre>1. Install OpenVPN: sudo apt install openvpn
2. Copy server config to /etc/openvpn/server.conf
3. Generate certificates using easy-rsa
4. Start OpenVPN: sudo systemctl start openvpn@server</pre>
<h4>Client Setup:</h4>
<pre>1. Generate client config using this tool
2. Save as .ovpn file
3. Import to OpenVPN client
4. Connect to server</pre>
</div>
</div>
</div>
<script>
function showTab(tabName) {
// Hide all tab contents
document.querySelectorAll('.tab-content').forEach(content => {
content.classList.remove('active');
});
// Remove active class from all tabs
document.querySelectorAll('.tab').forEach(tab => {
tab.classList.remove('active');
});
// Show selected tab
document.getElementById(tabName).classList.add('active');
event.target.classList.add('active');
}
function generateConfig() {
const clientName = document.getElementById('clientName').value;
const serverHost = document.getElementById('serverHost').value;
const serverPort = document.getElementById('serverPort').value;
const protocol = document.getElementById('protocol').value;
const now = new Date().toLocaleString();
const config = `# OpenVPN Client Configuration
# Generated: ${now}
# Client: ${clientName}
client
dev tun
proto ${protocol}
remote ${serverHost} ${serverPort}
resolv-retry infinite
nobind
persist-key
persist-tun
remote-cert-tls server
cipher AES-256-GCM
auth SHA256
verb 3
# Security notes:
# - Use strong ciphers (AES-256-GCM)
# - Enable certificate verification
# - Keep certificates secure`;
document.getElementById('clientConfig').value = config;
}
</script>
</body>
</html>'''
self.wfile.write(html.encode())
def log_message(self, format, *args):
pass # Suppress log messages
def run_server():
port = 7860
server = HTTPServer(('0.0.0.0', port), OpenVPNHandler)
print(f"Server running on port {port}")
server.serve_forever()
if __name__ == "__main__":
run_server() |