refactor nord-checker to remove file and sql operations.

openvpn_manager.py

@@ -0,0 +1,73 @@
+import subprocess
+import time
+import datetime
+import re
+
+def establish_vpn_connection(ovpn_file, credential_file, log_file):
+    """
+    Establishes a VPN connection using the provided OVPN file and credentials.
+    Returns True if the connection is successful, False otherwise.
+    """
+
+    # Read credentials
+    with open(credential_file, 'r') as f:
+        username = f.readline().strip()
+        password = f.readline().strip()
+
+    # Establish VPN connection (capture stdout and stderr)
+    openvpn_command = ["openvpn", "--config", ovpn_file, 
+                       "--auth-user-pass", credential_file, "--daemon", 
+                       "--log-append", log_file, "--verb", "3"]
+
+    process = subprocess.Popen(openvpn_command, 
+                                stdin=subprocess.PIPE, 
+                                stdout=subprocess.PIPE, 
+                                stderr=subprocess.PIPE)
+    stdout, stderr = process.communicate(input=password.encode())
+
+    # Check for errors
+    if process.returncode != 0:
+        return False, stderr.decode()
+    else:
+        return True, stdout.decode()
+
+def is_vpn_active(ovpn_filename):
+    """
+    Checks if the VPN connection associated with the given OVPN filename is active.
+    Returns True if active, False otherwise.
+    """
+    try:
+        subprocess.run(["pgrep", "-f", ovpn_filename], check=True, capture_output=True)
+        return True
+    except subprocess.CalledProcessError:
+        return False
+
+def disconnect_vpn():
+    """
+    Disconnects the active VPN connection.
+    """
+    try:
+        result = subprocess.run(["pgrep", "openvpn"], check=True, capture_output=True)
+        pids = result.stdout.decode().strip().split('\n')
+        for pid in pids:
+            subprocess.run(["kill", pid])
+    except subprocess.CalledProcessError:
+        pass  # No openvpn process found
+
+def get_external_ip():
+    """
+    Gets the external IP address using various services, with retries.
+    Returns the external IP if successful, or None if unable to get it.
+    """
+
+    for service in ["ifconfig.me", "ifconfig.co", "ipinfo.io/ip"]:
+        try:
+            external_ip = subprocess.check_output(["curl", "-s", service]).decode().strip()
+            if re.match(r"^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$", external_ip):
+                return external_ip
+            else:
+                print(f"{datetime.datetime.now()} [Main Script]: Invalid response from {service}")
+        except subprocess.CalledProcessError:
+            print(f"{datetime.datetime.now()} [Main Script]: Error getting external IP from {service}")
+    
+    return None  # Unable to get external IP