flask update

.env.example

@@ -1,16 +1,7 @@
 # Ansible Configuration
 ANSIBLE_VAULT_PASSWORD=your_vault_password_here
 
-# BTCPay Server Configuration
-BTCPAY_BASE_URL=https://your-btcpay-server.com
-BTCPAY_STORE_ID=your_store_id
-BTCPAY_WEBHOOK_SECRET=your_webhook_secret
-
 # Flask Configuration
 FLASK_ENV=development
 FLASK_APP=app/handlers/webhook_handler.py
-FLASK_DEBUG=1
-
-# Server Configuration
-VPN_SERVER_IP=your_server_ip
-WIREGUARD_PORT=51820
+FLASK_DEBUG=1

ansible/playbooks/vpn_cleanup.yml

@@ -0,0 +1,30 @@
+---
+- name: Cleanup expired VPN configuration
+  hosts: vpn_servers
+  become: yes
+  vars:
+    client_dir: /etc/wireguard/clients
+    wg_interface: wg0
+    
+  tasks:
+    - name: Debug subscription ID
+      debug:
+        msg: "Cleaning up subscription ID: {{ subscription_id }}"
+        
+    - name: Remove client configuration directory
+      file:
+        path: "{{ client_dir }}/{{ subscription_id }}"
+        state: absent
+        
+    - name: Remove client from server config
+      blockinfile:
+        path: "/etc/wireguard/{{ wg_interface }}.conf"
+        marker: "# {mark} ANSIBLE MANAGED BLOCK FOR {{ subscription_id }}"
+        state: absent
+      notify: restart wireguard
+        
+  handlers:
+    - name: restart wireguard
+      service:
+        name: "wg-quick@{{ wg_interface }}"
+        state: restarted

app/__init__.py

@@ -1,6 +1,9 @@
-from flask import Flask, request, jsonify
+# app/__init__.py
+
+from flask import Flask, request, jsonify, render_template
 import logging
 from .handlers.webhook_handler import handle_payment_webhook
+from .handlers.payment_handler import BTCPayHandler
 
 # Set up logging
 logging.basicConfig(
@@ -10,10 +13,92 @@ logging.basicConfig(
 logger = logging.getLogger(__name__)
 
 app = Flask(__name__)
+btcpay_handler = BTCPayHandler()
 
+# Existing webhook route
 @app.route('/webhook/vpn', methods=['POST'])
 def handle_payment():
     return handle_payment_webhook(request)
 
+# Frontend routes
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+@app.route('/api/calculate-price', methods=['POST'])
+def calculate_price():
+    hours = request.json.get('hours', 0)
+    # Basic price calculation - adjust formula as needed
+    base_price = hours * 100  # 100 sats per hour
+    
+    # Apply volume discounts
+    if hours >= 720:  # 1 month
+        base_price = base_price * 0.85  # 15% discount
+    elif hours >= 168:  # 1 week
+        base_price = base_price * 0.90  # 10% discount
+    elif hours >= 24:  # 1 day
+        base_price = base_price * 0.95  # 5% discount
+    
+    return jsonify({
+        'price': int(base_price),
+        'duration': hours
+    })
+
+@app.route('/create-invoice', methods=['POST'])
+def create_invoice():
+    try:
+        logger.info("Received invoice creation request")
+        data = request.json
+        logger.debug(f"Request data: {data}")
+        
+        # Validate input data
+        duration_hours = data.get('duration')
+        email = data.get('email')
+        
+        if not email:
+            logger.error("Email address missing from request")
+            return jsonify({'error': 'Email is required'}), 400
+        
+        if not duration_hours:
+            logger.error("Duration missing from request")
+            return jsonify({'error': 'Duration is required'}), 400
+        
+        try:
+            duration_hours = int(duration_hours)
+        except ValueError:
+            logger.error(f"Invalid duration value: {duration_hours}")
+            return jsonify({'error': 'Invalid duration value'}), 400
+        
+        # Calculate price using same logic as calculate-price endpoint
+        base_price = duration_hours * 100  # 100 sats per hour
+        
+        if duration_hours >= 720:  # 1 month
+            base_price = base_price * 0.85  # 15% discount
+        elif duration_hours >= 168:  # 1 week
+            base_price = base_price * 0.90  # 10% discount
+        elif duration_hours >= 24:  # 1 day
+            base_price = base_price * 0.95  # 5% discount
+        
+        amount_sats = int(base_price)
+        logger.info(f"Calculated price: {amount_sats} sats for {duration_hours} hours")
+        
+        # Create BTCPay invoice
+        invoice_data = btcpay_handler.create_invoice(amount_sats, duration_hours, email)
+        
+        if not invoice_data:
+            logger.error("Failed to create invoice - no data returned from BTCPayHandler")
+            return jsonify({'error': 'Failed to create invoice'}), 500
+        
+        logger.info(f"Successfully created invoice with ID: {invoice_data.get('invoice_id')}")
+        return jsonify(invoice_data)
+        
+    except Exception as e:
+        logger.error(f"Error in create_invoice endpoint: {str(e)}")
+        return jsonify({'error': str(e)}), 500
+
+@app.route('/payment/success')
+def payment_success():
+    return render_template('payment_success.html')
+
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=5000)

app/handlers/payment_handler.py

@@ -0,0 +1,144 @@
+# app/handlers/payment_handler.py
+
+import logging
+import requests
+import os
+from flask import jsonify
+import smtplib
+from email.mime.text import MIMEText
+from email.mime.multipart import MIMEMultipart
+from pathlib import Path
+import traceback
+from .webhook_handler import get_vault_values
+
+logger = logging.getLogger(__name__)
+
+class BTCPayHandler:
+    def __init__(self):
+        logger.info("Initializing BTCPayHandler")
+        try:
+            # Get configuration from Ansible vault
+            logger.debug("Retrieving vault values")
+            vault_values = get_vault_values()
+            
+            self.base_url = vault_values['btcpay_base_url']
+            self.api_key = vault_values['btcpay_api_key']
+            self.store_id = vault_values['btcpay_store_id']
+            
+            # Email configuration
+            self.smtp_config = vault_values.get('smtp_config', {})
+            
+            logger.info(f"BTCPayHandler initialized with base URL: {self.base_url}")
+            
+        except Exception as e:
+            logger.error(f"Failed to initialize BTCPayHandler: {str(e)}")
+            logger.error(traceback.format_exc())
+            raise
+        
+    def create_invoice(self, amount_sats, duration_hours, email):
+        """Create BTCPay invoice for VPN subscription"""
+        try:
+            logger.info(f"Creating invoice: {amount_sats} sats, {duration_hours}h for {email}")
+            
+            headers = {
+                'Authorization': f'token {self.api_key}',
+                'Content-Type': 'application/json'
+            }
+            
+            # Get app URL from environment or use a default
+            app_url = os.getenv('APP_BASE_URL', 'http://localhost:5000').rstrip('/')
+            logger.debug(f"Using app URL for redirect: {app_url}")
+            
+            payload = {
+                'amount': amount_sats,
+                'currency': 'SATS',
+                'metadata': {
+                    'duration_hours': duration_hours,
+                    'email': email,
+                    'orderId': f'vpn_sub_{duration_hours}h',
+                },
+                'checkout': {
+                    'redirectURL': f'{app_url}/payment/success',
+                    'redirectAutomatically': True
+                }
+            }
+            
+            logger.debug(f"Sending request to BTCPay Server: {self.base_url}/api/v1/stores/{self.store_id}/invoices")
+            logger.debug(f"Request payload: {payload}")
+            
+            response = requests.post(
+                f'{self.base_url}/api/v1/stores/{self.store_id}/invoices',
+                headers=headers,
+                json=payload
+            )
+            
+            logger.debug(f"BTCPay response status: {response.status_code}")
+            logger.debug(f"BTCPay response content: {response.text}")
+            
+            if response.status_code != 200:
+                logger.error(f"BTCPay invoice creation failed: {response.text}")
+                return None
+                
+            invoice_data = response.json()
+            logger.info(f"Successfully created invoice {invoice_data.get('id')}")
+            
+            return {
+                'invoice_id': invoice_data['id'],
+                'checkout_url': invoice_data['checkoutLink']
+            }
+            
+        except Exception as e:
+            logger.error("Error creating BTCPay invoice:")
+            logger.error(traceback.format_exc())
+            return None
+            
+    def send_confirmation_email(self, email, config_data):
+        """Send VPN configuration details via email"""
+        try:
+            logger.info(f"Sending confirmation email to {email}")
+            
+            if not self.smtp_config:
+                logger.warning("SMTP configuration not found in vault")
+                return False
+                
+            msg = MIMEMultipart()
+            msg['From'] = self.smtp_config['sender_email']
+            msg['To'] = email
+            msg['Subject'] = "Your VPN Configuration"
+            
+            body = f"""
+            Thank you for subscribing to our VPN service!
+            
+            Please find your WireGuard configuration below:
+            
+            {config_data}
+            
+            Installation instructions:
+            1. Install WireGuard client for your platform from https://www.wireguard.com/install/
+            2. Save the above configuration to a file named 'wg0.conf'
+            3. Import the configuration file into your WireGuard client
+            
+            Need help? Reply to this email for support.
+            """
+            
+            msg.attach(MIMEText(body, 'plain'))
+            
+            logger.debug("Connecting to SMTP server")
+            with smtplib.SMTP(
+                self.smtp_config['server'], 
+                self.smtp_config.get('port', 587)
+            ) as server:
+                server.starttls()
+                server.login(
+                    self.smtp_config['username'],
+                    self.smtp_config['password']
+                )
+                server.send_message(msg)
+            
+            logger.info("Confirmation email sent successfully")
+            return True
+            
+        except Exception as e:
+            logger.error("Error sending confirmation email:")
+            logger.error(traceback.format_exc())
+            return False

app/handlers/webhook_handler.py

@@ -6,6 +6,8 @@ import logging
 import hmac
 import hashlib
 import yaml
+import json
+import datetime
 import traceback
 from pathlib import Path
 from dotenv import load_dotenv
@@ -20,6 +22,8 @@ logger = logging.getLogger(__name__)
 
 BASE_DIR = Path(__file__).resolve().parent.parent.parent
 PLAYBOOK_PATH = BASE_DIR / 'ansible' / 'playbooks' / 'vpn_provision.yml'
+CLEANUP_PLAYBOOK = BASE_DIR / 'ansible' / 'playbooks' / 'vpn_cleanup.yml'
+SUBSCRIPTION_DB = BASE_DIR / 'data' / 'subscriptions.json'
 
 def get_vault_values():
     """Get decrypted values from Ansible vault"""
@@ -76,6 +80,107 @@ def verify_signature(payload_body, signature_header):
         logger.error(f"Signature verification failed: {str(e)}")
         return False
 
+def load_subscriptions():
+    """Load subscription data from JSON file"""
+    if not SUBSCRIPTION_DB.parent.exists():
+        SUBSCRIPTION_DB.parent.mkdir(parents=True)
+    
+    if not SUBSCRIPTION_DB.exists():
+        return {}
+        
+    with open(SUBSCRIPTION_DB, 'r') as f:
+        return json.load(f)
+
+def save_subscription(subscription_data):
+    """Save subscription data to JSON file"""
+    subscriptions = load_subscriptions()
+    sub_id = subscription_data['subscriptionId']
+    subscriptions[sub_id] = subscription_data
+    
+    with open(SUBSCRIPTION_DB, 'w') as f:
+        json.dump(subscriptions, f, indent=2)
+
+def calculate_expiry(duration_hours):
+    """Calculate expiry date based on subscription duration"""
+    return (datetime.datetime.now() + 
+            datetime.timedelta(hours=duration_hours)).isoformat()
+
+def run_ansible_playbook(invoice_id):
+    """Run the VPN provisioning playbook"""
+    vault_pass = os.getenv('ANSIBLE_VAULT_PASSWORD', '')
+    if not vault_pass:
+        raise Exception("Vault password not found in environment variables")
+    
+    with tempfile.NamedTemporaryFile(mode='w', delete=False) as vault_pass_file:
+        vault_pass_file.write(vault_pass)
+        vault_pass_file.flush()
+        
+        cmd = [
+            'ansible-playbook',
+            str(PLAYBOOK_PATH),
+            '-i', str(BASE_DIR / 'inventory.ini'),
+            '-e', f'invoice_id={invoice_id}',
+            '--vault-password-file', vault_pass_file.name,
+            '-vvv'
+        ]
+        
+        logger.info(f"Running ansible-playbook command: {' '.join(cmd)}")
+        
+        result = subprocess.run(
+            cmd,
+            capture_output=True,
+            text=True
+        )
+    
+    os.unlink(vault_pass_file.name)
+    return result
+
+def handle_subscription_status(data):
+    """Handle SubscriptionStatusUpdated webhook"""
+    sub_id = data['subscriptionId']
+    status = data['status']
+    
+    logger.info(f"Processing subscription status update: {sub_id} -> {status}")
+    
+    # Store subscription data
+    data['last_updated'] = datetime.datetime.now().isoformat()
+    save_subscription(data)
+    
+    if status != 'Active':
+        # Run cleanup playbook for inactive subscriptions
+        result = subprocess.run([
+            'ansible-playbook',
+            str(CLEANUP_PLAYBOOK),
+            '-i', str(BASE_DIR / 'inventory.ini'),
+            '-e', f'subscription_id={sub_id}',
+            '-vvv'
+        ], capture_output=True, text=True)
+        
+        if result.returncode != 0:
+            logger.error(f"Failed to clean up subscription {sub_id}: {result.stderr}")
+            
+        logger.info(f"Subscription {sub_id} is no longer active")
+        
+    return jsonify({
+        "status": "success",
+        "message": f"Subscription {sub_id} status updated to {status}"
+    })
+
+def handle_subscription_renewal(data):
+    """Handle SubscriptionRenewalRequested webhook"""
+    sub_id = data['subscriptionId']
+    logger.info(f"Processing subscription renewal request: {sub_id}")
+    
+    # Update subscription data
+    data['renewal_requested'] = datetime.datetime.now().isoformat()
+    save_subscription(data)
+    
+    # TODO: Send renewal notification to user
+    return jsonify({
+        "status": "success",
+        "message": f"Subscription {sub_id} renewal requested"
+    })
+
 def handle_payment_webhook(request):
     """Handle BTCPay Server webhook for VPN provisioning"""
     try:
@@ -94,66 +199,100 @@ def handle_payment_webhook(request):
             
         data = request.json
         logger.info(f"Received webhook data: {data}")
+        webhook_type = data.get('type')
         
-        invoice_id = data.get('invoiceId')
-        if not invoice_id:
-            logger.error("Missing invoiceId in webhook data")
-            return jsonify({"error": "Missing invoiceId"}), 400
+        if webhook_type == 'SubscriptionStatusUpdated':
+            return handle_subscription_status(data)
             
-        if invoice_id.startswith('__test__') and invoice_id.endswith('__test__'):
-            invoice_id = invoice_id[8:-8]
-            logger.info(f"Stripped test markers from invoice ID: {invoice_id}")
-        
-        vault_pass = os.getenv('ANSIBLE_VAULT_PASSWORD', '')
-        if not vault_pass:
-            raise Exception("Vault password not found in environment variables")
-        
-        with tempfile.NamedTemporaryFile(mode='w', delete=False) as vault_pass_file:
-            vault_pass_file.write(vault_pass)
-            vault_pass_file.flush()
+        elif webhook_type == 'SubscriptionRenewalRequested':
+            return handle_subscription_renewal(data)
             
-            cmd = [
-                'ansible-playbook',
-                str(PLAYBOOK_PATH),
-                '-i', str(BASE_DIR / 'inventory.ini'),
-                '-e', f'invoice_id={invoice_id}',
-                '--vault-password-file', vault_pass_file.name,
-                '-vvv'
-            ]
+        elif webhook_type == 'InvoiceSettled':
+            # Handle regular invoice payment
+            invoice_id = data.get('invoiceId')
+            metadata = data.get('metadata', {})
             
-            logger.info(f"Running ansible-playbook command: {' '.join(cmd)}")
+            if not invoice_id:
+                logger.error("Missing invoiceId in webhook data")
+                return jsonify({"error": "Missing invoiceId"}), 400
+                
+            if invoice_id.startswith('__test__') and invoice_id.endswith('__test__'):
+                invoice_id = invoice_id[8:-8]
+                logger.info(f"Stripped test markers from invoice ID: {invoice_id}")
             
-            result = subprocess.run(
-                cmd,
-                capture_output=True,
-                text=True
-            )
-        
-        os.unlink(vault_pass_file.name)
-        
-        logger.info(f"Ansible playbook stdout: {result.stdout}")
-        if result.stderr:
-            logger.error(f"Ansible playbook stderr: {result.stderr}")
-        
-        if result.returncode != 0:
-            error_msg = f"Ansible playbook failed with return code {result.returncode}"
-            logger.error(error_msg)
+            # Run Ansible playbook with enhanced logging
+            logger.info(f"Starting VPN provisioning for invoice {invoice_id}")
+            result = run_ansible_playbook(invoice_id)
+            
+            if result.returncode != 0:
+                error_msg = f"Ansible playbook failed with return code {result.returncode}"
+                logger.error(error_msg)
+                logger.error(f"Ansible stdout: {result.stdout}")
+                logger.error(f"Ansible stderr: {result.stderr}")
+                return jsonify({
+                    "error": "Provisioning failed",
+                    "details": error_msg,
+                    "stdout": result.stdout,
+                    "stderr": result.stderr
+                }), 500
+            
+            logger.info(f"VPN provisioning completed for invoice {invoice_id}")
+            
+            # Update subscription database
+            try:
+                duration_hours = metadata.get('duration_hours', 24)
+                subscriptions = load_subscriptions()
+                subscriptions[invoice_id] = {
+                    'email': metadata.get('email'),
+                    'duration_hours': duration_hours,
+                    'start_time': datetime.datetime.now().isoformat(),
+                    'expiry': calculate_expiry(duration_hours),
+                    'status': 'Active'
+                }
+                with open(SUBSCRIPTION_DB, 'w') as f:
+                    json.dump(subscriptions, f, indent=2)
+                logger.info(f"Updated subscription database for invoice {invoice_id}")
+            except Exception as e:
+                logger.error(f"Error updating subscription database: {str(e)}")
+            
+            # Send email confirmation if email is provided
+            try:
+                email = metadata.get('email')
+                if email:
+                    config_path = f"/etc/wireguard/clients/{invoice_id}/wg0.conf"
+                    if os.path.exists(config_path):
+                        with open(config_path, 'r') as f:
+                            config_data = f.read()
+                        
+                        btcpay_handler = BTCPayHandler()
+                        email_sent = btcpay_handler.send_confirmation_email(email, config_data)
+                        if email_sent:
+                            logger.info(f"Sent configuration email to {email}")
+                        else:
+                            logger.warning(f"Failed to send configuration email to {email}")
+                    else:
+                        logger.warning(f"Config file not found at {config_path}")
+            except Exception as e:
+                logger.error(f"Error sending confirmation email: {str(e)}")
+                
+            logger.info(f"Successfully processed invoice {invoice_id}")
             return jsonify({
-                "error": "Provisioning failed",
-                "details": error_msg,
-                "stdout": result.stdout,
-                "stderr": result.stderr
-            }), 500
+                "status": "success",
+                "invoice_id": invoice_id,
+                "message": "VPN provisioning completed"
+            })
+            
+        else:
+            # Log other webhook types as info instead of warning
+            logger.info(f"Received {webhook_type} webhook - no action required")
+            return jsonify({
+                "status": "success",
+                "message": f"Webhook {webhook_type} acknowledged"
+            })
             
-        logger.info(f"Successfully processed invoice {invoice_id}")
-        return jsonify({
-            "status": "success",
-            "invoice_id": invoice_id,
-            "message": "VPN provisioning initiated"
-        })
-        
     except Exception as e:
         logger.error(f"Error processing webhook: {str(e)}")
+        logger.error(traceback.format_exc())
         return jsonify({
             "error": str(e),
             "traceback": traceback.format_exc()

app/static/js/pricing.js

@@ -0,0 +1,84 @@
+// app/static/js/pricing.js
+document.addEventListener('DOMContentLoaded', function() {
+    const form = document.getElementById('subscription-form');
+    const slider = document.getElementById('duration-slider');
+    const durationDisplay = document.getElementById('duration-display');
+    const priceDisplay = document.getElementById('price-display');
+    const presetButtons = document.querySelectorAll('.duration-preset');
+    const emailInput = document.getElementById('email');
+
+    function formatDuration(hours) {
+        if (hours < 24) return `${hours} hour${hours === 1 ? '' : 's'}`;
+        if (hours < 168) return `${hours / 24} day${hours === 24 ? '' : 's'}`;
+        if (hours < 720) return `${Math.floor(hours / 168)} week${hours === 168 ? '' : 's'}`;
+        return `${Math.floor(hours / 720)} month${hours === 720 ? '' : 's'}`;
+    }
+
+    async function updatePrice(hours) {
+        try {
+            const response = await fetch('/api/calculate-price', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ hours: parseInt(hours) })
+            });
+            const data = await response.json();
+            priceDisplay.textContent = data.price;
+            durationDisplay.textContent = formatDuration(hours);
+        } catch (error) {
+            console.error('Error calculating price:', error);
+        }
+    }
+
+    async function createInvoice(duration, email) {
+        try {
+            const response = await fetch('/create-invoice', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify({
+                    duration: parseInt(duration),
+                    email: email
+                })
+            });
+            
+            if (!response.ok) {
+                throw new Error('Failed to create invoice');
+            }
+            
+            const data = await response.json();
+            window.location.href = data.checkout_url;
+            
+        } catch (error) {
+            console.error('Error creating invoice:', error);
+            alert('Failed to create payment invoice. Please try again.');
+        }
+    }
+
+    // Event listeners
+    slider.addEventListener('input', () => updatePrice(slider.value));
+
+    presetButtons.forEach(button => {
+        button.addEventListener('click', (e) => {
+            const hours = e.target.dataset.hours;
+            slider.value = hours;
+            updatePrice(hours);
+        });
+    });
+
+    form.addEventListener('submit', async (e) => {
+        e.preventDefault();
+        
+        const email = emailInput.value.trim();
+        if (!email) {
+            alert('Please enter your email address');
+            return;
+        }
+        
+        const duration = slider.value;
+        await createInvoice(duration, email);
+    });
+
+    // Initial price calculation
+    updatePrice(slider.value);
+});

app/templates/base.html

@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>VPN Service</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <script>
+        tailwind.config = {
+            theme: {
+                extend: {
+                    colors: {
+                        'dark': '#121212',
+                        'dark-lighter': '#1e1e1e'
+                    }
+                }
+            }
+        }
+    </script>
+    <script src="{{ url_for('static', filename='js/pricing.js') }}" defer></script>
+</head>
+<body class="bg-dark text-gray-100">
+    {% block content %}{% endblock %}
+</body>
+</html>

app/templates/index.html

@@ -0,0 +1,56 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="min-h-screen bg-dark py-8 px-4">
+    <div class="max-w-xl mx-auto bg-dark-lighter rounded-lg shadow-lg p-6">
+        <h1 class="text-2xl font-bold mb-6 text-center">Subscribe to VPN Service</h1>
+        
+        <form id="subscription-form" class="space-y-6">
+            <div>
+                <label for="email" class="block text-sm font-medium mb-2">Email Address</label>
+                <input 
+                    type="email" 
+                    id="email" 
+                    required
+                    class="w-full px-3 py-2 bg-dark border border-gray-600 rounded-md text-white focus:outline-none focus:border-blue-500"
+                    placeholder="your@email.com"
+                >
+            </div>
+            
+            <div>
+                <label class="block text-sm font-medium mb-2">Duration</label>
+                <div class="space-y-4">
+                    <input 
+                        type="range" 
+                        id="duration-slider" 
+                        min="1" 
+                        max="720" 
+                        value="24"
+                        class="w-full"
+                    >
+                    <div class="flex justify-between text-sm text-gray-400">
+                        <button type="button" data-hours="1" class="duration-preset hover:text-blue-400">1 Hour</button>
+                        <button type="button" data-hours="24" class="duration-preset hover:text-blue-400">1 Day</button>
+                        <button type="button" data-hours="168" class="duration-preset hover:text-blue-400">1 Week</button>
+                        <button type="button" data-hours="720" class="duration-preset hover:text-blue-400">1 Month</button>
+                    </div>
+                </div>
+                <p id="duration-display" class="mt-2 text-center text-gray-400"></p>
+            </div>
+
+            <div class="text-center">
+                <p class="text-2xl font-bold text-blue-400">
+                    <span id="price-display">-</span> sats
+                </p>
+            </div>
+
+            <button 
+                type="submit"
+                class="w-full bg-blue-600 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded transition-colors"
+            >
+                Pay with Bitcoin
+            </button>
+        </form>
+    </div>
+</div>
+{% endblock %}

app/templates/payment_success.html

@@ -0,0 +1,18 @@
+{% extends "base.html" %}
+
+{% block content %}
+<div class="min-h-screen bg-dark py-8 px-4">
+    <div class="max-w-xl mx-auto bg-dark-lighter rounded-lg shadow-lg p-6 text-center">
+        <h1 class="text-2xl font-bold mb-4">Payment Successful!</h1>
+        <p class="text-gray-300 mb-6">
+            Thank you for your payment. Your VPN configuration will be sent to your email shortly.
+        </p>
+        <p class="text-gray-400 mb-4">
+            Please check your email for further instructions on setting up your VPN connection.
+        </p>
+        <a href="/" class="inline-block bg-blue-600 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded transition-colors">
+            Return to Home
+        </a>
+    </div>
+</div>
+{% endblock %}

data/subscriptions.json

@@ -0,0 +1,92 @@
+{
+  "__test__ee2b820c-d1a0-4c4d-8b7c-0e5550fbb42e__test__": {
+    "deliveryId": "P4su7aNvuaa7mGEJLFJ5mk",
+    "webhookId": "CoGqJKKuE3838AWZQkncSJ",
+    "originalDeliveryId": "__test__73469547-03db-4961-9d2f-da9b1ed7519f__test__",
+    "isRedelivery": false,
+    "type": "SubscriptionRenewalRequested",
+    "timestamp": 1733961630,
+    "storeId": "DcnEUCckb8eo5WBFBABb7EXGRP49a8UjYQRKkvz7AcJY",
+    "appId": "__test__dda0ab87-3962-435e-9cf6-2c9749dd21dc__test__",
+    "subscriptionId": "__test__ee2b820c-d1a0-4c4d-8b7c-0e5550fbb42e__test__",
+    "status": "Active",
+    "paymentRequestId": null,
+    "email": null,
+    "renewal_requested": "2024-12-12T00:00:31.600171"
+  },
+  "__test__f3e4e7cf-304b-4a97-a341-9e78e0f0bf7f__test__": {
+    "deliveryId": "7BPjwRNtFd2k3kzQLH8RoJ",
+    "webhookId": "CoGqJKKuE3838AWZQkncSJ",
+    "originalDeliveryId": "__test__50e7d2ea-18d3-46b0-bad3-fc5475a9994f__test__",
+    "isRedelivery": false,
+    "type": "SubscriptionRenewalRequested",
+    "timestamp": 1733972813,
+    "storeId": "DcnEUCckb8eo5WBFBABb7EXGRP49a8UjYQRKkvz7AcJY",
+    "appId": "__test__aa25dc16-84ac-4687-a2e9-41a97c5cc112__test__",
+    "subscriptionId": "__test__f3e4e7cf-304b-4a97-a341-9e78e0f0bf7f__test__",
+    "status": "Active",
+    "paymentRequestId": null,
+    "email": null,
+    "renewal_requested": "2024-12-12T03:06:54.340514"
+  },
+  "__test__0caaab4d-026d-4df6-b09b-164fa0edde79__test__": {
+    "deliveryId": "PhRMLk717pAWj2L1Z3LZtr",
+    "webhookId": "CoGqJKKuE3838AWZQkncSJ",
+    "originalDeliveryId": "__test__36b2350d-45df-4fe0-a4fa-c701684c9209__test__",
+    "isRedelivery": false,
+    "type": "SubscriptionStatusUpdated",
+    "timestamp": 1733972824,
+    "storeId": "DcnEUCckb8eo5WBFBABb7EXGRP49a8UjYQRKkvz7AcJY",
+    "appId": "__test__7dc7f4d8-020a-41b6-b728-84ca1ca0ab4c__test__",
+    "subscriptionId": "__test__0caaab4d-026d-4df6-b09b-164fa0edde79__test__",
+    "status": "Active",
+    "paymentRequestId": null,
+    "email": null,
+    "last_updated": "2024-12-12T03:07:05.439848"
+  },
+  "__test__9aa786d3-053c-4b70-8b01-6df0f0207b79__test__": {
+    "deliveryId": "U7stmUDcB4qseDh29mhke7",
+    "webhookId": "CoGqJKKuE3838AWZQkncSJ",
+    "originalDeliveryId": "__test__c5eba94d-ea9e-46e9-b127-74234fcd7002__test__",
+    "isRedelivery": false,
+    "type": "SubscriptionStatusUpdated",
+    "timestamp": 1733973182,
+    "storeId": "DcnEUCckb8eo5WBFBABb7EXGRP49a8UjYQRKkvz7AcJY",
+    "appId": "__test__c3149b37-ad19-428a-aa95-251adc96e5ae__test__",
+    "subscriptionId": "__test__9aa786d3-053c-4b70-8b01-6df0f0207b79__test__",
+    "status": "Active",
+    "paymentRequestId": null,
+    "email": null,
+    "last_updated": "2024-12-12T03:13:03.056437"
+  },
+  "__test__d57b8102-87f7-4143-b175-32353b6eaec7__test__": {
+    "deliveryId": "834dSuc5bdeXF2zRxovj2x",
+    "webhookId": "CoGqJKKuE3838AWZQkncSJ",
+    "originalDeliveryId": "__test__16c072e3-5702-4f57-bc32-7181f585bef2__test__",
+    "isRedelivery": false,
+    "type": "SubscriptionStatusUpdated",
+    "timestamp": 1733973198,
+    "storeId": "DcnEUCckb8eo5WBFBABb7EXGRP49a8UjYQRKkvz7AcJY",
+    "appId": "__test__59579b1c-c393-4fa4-b4be-6691b7a6db27__test__",
+    "subscriptionId": "__test__d57b8102-87f7-4143-b175-32353b6eaec7__test__",
+    "status": "Active",
+    "paymentRequestId": null,
+    "email": null,
+    "last_updated": "2024-12-12T03:13:19.677073"
+  },
+  "__test__5f28edc1-1c9e-4f1a-9fe9-591bc4ae7988__test__": {
+    "deliveryId": "9LUJAQmU89k8ofSKc7M7Kt",
+    "webhookId": "CoGqJKKuE3838AWZQkncSJ",
+    "originalDeliveryId": "__test__c274b638-568b-459f-b4f4-fd10029f5dce__test__",
+    "isRedelivery": false,
+    "type": "SubscriptionRenewalRequested",
+    "timestamp": 1733973203,
+    "storeId": "DcnEUCckb8eo5WBFBABb7EXGRP49a8UjYQRKkvz7AcJY",
+    "appId": "__test__6896db98-91f3-458e-b8c8-6c6280a5698f__test__",
+    "subscriptionId": "__test__5f28edc1-1c9e-4f1a-9fe9-591bc4ae7988__test__",
+    "status": "Active",
+    "paymentRequestId": null,
+    "email": null,
+    "renewal_requested": "2024-12-12T03:13:24.040298"
+  }
+}

requirements.txt

@@ -1,5 +1,6 @@
 flask==3.0.0
 pyyaml==6.0.1
 python-dotenv==1.0.0
-cryptography==41.0.7  # For ansible-vault operations
+cryptography==41.0.7  
 ansible==9.1.0
+requests==2.31.0 

scripts/subscription_checker.py

@@ -0,0 +1,253 @@
+# scripts/subscription_checker.py
+
+import json
+import datetime
+import logging
+import subprocess
+import os
+import tempfile
+from pathlib import Path
+from dateutil.parser import parse
+from dateutil.relativedelta import relativedelta
+
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
+)
+logger = logging.getLogger(__name__)
+
+# Path setup
+SCRIPT_DIR = Path(__file__).resolve().parent
+PROJECT_ROOT = SCRIPT_DIR.parent
+SUBSCRIPTION_DB = PROJECT_ROOT / 'data' / 'subscriptions.json'
+CLEANUP_PLAYBOOK = PROJECT_ROOT / 'ansible' / 'playbooks' / 'vpn_cleanup.yml'
+INVENTORY_FILE = PROJECT_ROOT / 'inventory.ini'
+
+# Notification thresholds configuration
+NOTIFICATION_THRESHOLDS = {
+    'minimum_duration': datetime.timedelta(hours=1),  # Minimum subscription duration
+    'short_term': {
+        'max_duration': datetime.timedelta(days=1),
+        'warning_fraction': 0.5,  # Warn when 50% of time remains
+        'grace_fraction': 0.1     # Grace period of 10% of subscription length
+    },
+    'medium_term': {
+        'max_duration': datetime.timedelta(days=7),
+        'warning_fraction': 0.25,  # Warn when 25% of time remains
+        'grace_hours': 12         # Fixed 12-hour grace period
+    },
+    'long_term': {
+        'warning_days': 7,        # 7 days warning for longer subscriptions
+        'grace_days': 2          # 2 days grace period
+    }
+}
+
+def load_subscriptions():
+    """Load subscription data from JSON file"""
+    if not SUBSCRIPTION_DB.parent.exists():
+        SUBSCRIPTION_DB.parent.mkdir(parents=True)
+    
+    if not SUBSCRIPTION_DB.exists():
+        return {}
+        
+    with open(SUBSCRIPTION_DB, 'r') as f:
+        return json.load(f)
+
+def save_subscriptions(subscriptions):
+    """Save subscriptions to JSON file"""
+    with open(SUBSCRIPTION_DB, 'w') as f:
+        json.dump(subscriptions, f, indent=2)
+
+def run_cleanup_playbook(sub_id):
+    """Run the VPN cleanup playbook"""
+    logger.info(f"Running cleanup playbook for subscription {sub_id}")
+    
+    vault_pass = os.getenv('ANSIBLE_VAULT_PASSWORD', '')
+    if not vault_pass:
+        raise Exception("Vault password not found in environment variables")
+    
+    with tempfile.NamedTemporaryFile(mode='w', delete=False) as vault_pass_file:
+        vault_pass_file.write(vault_pass)
+        vault_pass_file.flush()
+        
+        cmd = [
+            'ansible-playbook',
+            str(CLEANUP_PLAYBOOK),
+            '-i', str(INVENTORY_FILE),
+            '-e', f'subscription_id={sub_id}',
+            '--vault-password-file', vault_pass_file.name,
+            '-vvv'
+        ]
+        
+        logger.debug(f"Running command: {' '.join(cmd)}")
+        
+        result = subprocess.run(
+            cmd,
+            capture_output=True,
+            text=True
+        )
+        
+        if result.returncode != 0:
+            logger.error(f"Cleanup playbook failed: {result.stderr}")
+        else:
+            logger.debug(f"Cleanup playbook output: {result.stdout}")
+    
+    os.unlink(vault_pass_file.name)
+    return result
+
+def calculate_notification_times(start_time, end_time):
+    """
+    Calculate warning and grace period times based on subscription duration
+    
+    Returns:
+        tuple: (warning_time, grace_end_time)
+    """
+    duration = end_time - start_time
+    
+    # Handle extremely short subscriptions
+    if duration < NOTIFICATION_THRESHOLDS['minimum_duration']:
+        warning_time = start_time  # Immediate warning
+        grace_end_time = end_time  # No grace period
+        return warning_time, grace_end_time
+    
+    # Short-term subscriptions (less than 1 day)
+    if duration <= NOTIFICATION_THRESHOLDS['short_term']['max_duration']:
+        warning_delta = duration * NOTIFICATION_THRESHOLDS['short_term']['warning_fraction']
+        grace_delta = duration * NOTIFICATION_THRESHOLDS['short_term']['grace_fraction']
+        warning_time = end_time - warning_delta
+        grace_end_time = end_time + grace_delta
+        
+    # Medium-term subscriptions (1-7 days)
+    elif duration <= NOTIFICATION_THRESHOLDS['medium_term']['max_duration']:
+        warning_delta = duration * NOTIFICATION_THRESHOLDS['medium_term']['warning_fraction']
+        grace_hours = NOTIFICATION_THRESHOLDS['medium_term']['grace_hours']
+        warning_time = end_time - warning_delta
+        grace_end_time = end_time + datetime.timedelta(hours=grace_hours)
+        
+    # Long-term subscriptions (> 7 days)
+    else:
+        warning_days = NOTIFICATION_THRESHOLDS['long_term']['warning_days']
+        grace_days = NOTIFICATION_THRESHOLDS['long_term']['grace_days']
+        warning_time = end_time - datetime.timedelta(days=warning_days)
+        grace_end_time = end_time + datetime.timedelta(days=grace_days)
+    
+    return warning_time, grace_end_time
+
+def get_notification_message(sub_data, remaining_time):
+    """Generate appropriate notification message based on subscription duration"""
+    if remaining_time < datetime.timedelta(hours=1):
+        return f"Your VPN subscription expires in {int(remaining_time.total_seconds() / 60)} minutes!"
+    elif remaining_time < datetime.timedelta(days=1):
+        return f"Your VPN subscription expires in {int(remaining_time.total_seconds() / 3600)} hours!"
+    else:
+        return f"Your VPN subscription expires in {remaining_time.days} days!"
+
+def notify_user(user_id, message):
+    """Send notification to user about subscription status"""
+    try:
+        subscriptions = load_subscriptions()
+        sub_data = subscriptions.get(user_id)
+        
+        if not sub_data or 'email' not in sub_data:
+            logger.error(f"No email found for user {user_id}")
+            return False
+            
+        # Import BTCPayHandler here to avoid circular imports
+        from app.handlers.payment_handler import BTCPayHandler
+        
+        btcpay_handler = BTCPayHandler()
+        email_sent = btcpay_handler.send_confirmation_email(
+            sub_data['email'],
+            f"""
+            VPN Subscription Update
+            
+            {message}
+            
+            If you wish to continue using the VPN service, please renew your subscription.
+            """
+        )
+        
+        if email_sent:
+            logger.info(f"Sent notification to {sub_data['email']}: {message}")
+        else:
+            logger.warning(f"Failed to send notification to {sub_data['email']}")
+            
+        return email_sent
+        
+    except Exception as e:
+        logger.error(f"Error sending notification: {str(e)}")
+        return False
+
+def check_subscriptions():
+    """Check subscription status and clean up expired ones"""
+    logger.info("Starting subscription check")
+    
+    subscriptions = load_subscriptions()
+    now = datetime.datetime.now()
+    modified = False
+    
+    logger.info(f"Checking {len(subscriptions)} subscriptions")
+    
+    for sub_id, sub_data in list(subscriptions.items()):
+        try:
+            logger.debug(f"Processing subscription {sub_id}")
+            
+            if sub_data.get('status') != 'Active':
+                logger.debug(f"Skipping inactive subscription {sub_id}")
+                continue
+                
+            start_time = parse(sub_data['start_time'])
+            expiry = parse(sub_data['expiry'])
+            warning_time, grace_end_time = calculate_notification_times(start_time, expiry)
+            
+            # Calculate remaining time
+            remaining_time = expiry - now
+            logger.debug(f"Subscription {sub_id} has {remaining_time} remaining")
+            
+            # Handle warnings
+            if now >= warning_time and not sub_data.get('warning_sent'):
+                message = get_notification_message(sub_data, remaining_time)
+                logger.info(f"Sending notification for subscription {sub_id}: {message}")
+                
+                notify_user(sub_id, message)
+                
+                sub_data['warning_sent'] = True
+                modified = True
+            
+            # Handle expiration
+            if now >= grace_end_time and sub_data.get('status') == 'Active':
+                logger.info(f"Processing expiration for subscription {sub_id}")
+                
+                try:
+                    logger.debug(f"Running cleanup playbook for {sub_id}")
+                    result = run_cleanup_playbook(sub_id)
+                    
+                    if result.returncode == 0:
+                        sub_data['status'] = 'Expired'
+                        sub_data['cleanup_date'] = now.isoformat()
+                        modified = True
+                        logger.info(f"Successfully cleaned up subscription {sub_id}")
+                    else:
+                        logger.error(f"Cleanup failed: {result.stderr}")
+                        
+                except Exception as e:
+                    logger.error(f"Error during cleanup: {str(e)}")
+                    logger.error(traceback.format_exc())
+                    
+        except Exception as e:
+            logger.error(f"Error processing subscription {sub_id}: {str(e)}")
+            logger.error(traceback.format_exc())
+            continue
+    
+    if modified:
+        save_subscriptions(subscriptions)
+        logger.info("Updated subscription database")
+    
+    logger.info("Subscription check completed")
+
+if __name__ == '__main__':
+    try:
+        check_subscriptions()
+    except Exception as e:
+        logger.error(f"Subscription checker failed: {str(e)}")
+        raise

vault_pass.txt

@@ -0,0 +1 @@
+Q1w2e3r4t5

venv/bin/normalizer

@@ -0,0 +1,8 @@
+#!/home/hashgate/vpn-btcpay-provisioner/venv/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from charset_normalizer.cli import cli_detect
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(cli_detect())