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database.py
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database.py
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import os
from peewee import PostgresqlDatabase, SqliteDatabase, ProgrammingError
from mqtt_pwn.models import database_proxy
from mqtt_pwn.models.victim import Victim
from mqtt_pwn.models.command import Command
from mqtt_pwn.models.topic import Topic
from mqtt_pwn.models.message import Message
from mqtt_pwn.models.scan import Scan
from mqtt_pwn import config
_all_tables = [Victim, Command, Topic, Message, Scan]
def create_db_connection():
""" Creates a database connection with the postgres db"""
is_test_env = os.getenv('MQTT_PWN_TESTING_ENV')
if is_test_env:
db = SqliteDatabase(':memory:')
else:
db = PostgresqlDatabase(
config.DB_NAME,
user=config.DB_USER,
password=config.DB_PASSWORD,
host=config.DB_HOST,
port=config.DB_PORT
)
database_proxy.initialize(db)
return db
def create_tables(db, tables):
""" Creates the given tables """
try:
db.create_tables(tables)
except ProgrammingError:
pass
def create_all_tables(db):
""" Creates all the tables """
create_tables(db, _all_tables)
def truncate_all_tables(db):
""" Truncates all database tables """
db.drop_tables(_all_tables)
create_tables(db, _all_tables)