Files
nordvpn/psql_utils.py

69 lines
2.2 KiB
Python

import psycopg2
import datetime
from zoneinfo import ZoneInfo
def connect_to_database():
"""
Connects to the PostgreSQL database using credentials from 'psql.creds'.
Returns a connection and cursor object.
"""
with open('psql.creds', 'r') as f:
config = {}
for line in f:
key, value = line.strip().split(' = ')
config[key] = value
conn = psycopg2.connect(
dbname=config['db_name'],
user=config['db_user'],
password=config['db_password'],
host=config['db_host'],
port=config['db_port']
)
cursor = conn.cursor()
return conn, cursor
def should_skip_file(cursor, filename):
"""
Checks if the given OVPN file should be skipped based on the last check time in the database.
Returns True if it should be skipped, False otherwise.
"""
try:
cursor.execute("SELECT last_exit_ip_check FROM ovpn_files WHERE file_name = %s", (filename,))
row = cursor.fetchone()
if row is None:
print(f"No record found for {filename} in the database.")
return False # No record found, so don't skip
last_check = row[0]
if last_check is None: # Handle NULL value
return False # If last_check is NULL, don't skip
# Get current time in UTC timezone using zoneinfo
now = datetime.datetime.now(tz=ZoneInfo('UTC'))
time_difference = now - last_check
if time_difference.days < 3:
return True
return False
except psycopg2.Error as e:
print(f"Error executing database query: {e}")
return False # In case of an error, don't skip the file
def update_or_insert_ip(cursor, conn, filename, external_ip):
"""
Updates or inserts the external IP information for the given OVPN file in the database.
"""
cursor.execute("""
INSERT INTO ovpn_files (file_name, last_observed, last_exit_ip_check, exit_ip)
VALUES (%s, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, %s)
ON CONFLICT (file_name) DO UPDATE
SET last_observed = CURRENT_TIMESTAMP,
last_exit_ip_check = CURRENT_TIMESTAMP,
exit_ip = %s
""", (filename, external_ip, external_ip))
conn.commit()