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import os
import psycopg
import yaml
with open(os.path.join('configs', 'database.yml'), 'r') as file:
db_con_params = yaml.safe_load(file.read())
def get_latest_login_attempts() -> (list[dict], list[str]):
with psycopg.connect(**db_con_params, row_factory=psycopg.rows.dict_row) as conn:
with conn.cursor() as cur:
cur.execute("""
SELECT login_attempt.id, username, password, ip, login_attempt.timestamp
FROM login_attempt
JOIN connection on connection.id = login_attempt.connection
ORDER BY login_attempt.id desc limit 20;
""")
login_attempts = cur.fetchall()
col_names = [desc[0] for desc in cur.description]
return login_attempts, col_names
def get_top(column: str) -> (list[dict], list[str]):
if column not in ['username', 'password']:
raise ValueError(f'{column} is not allowed')
with psycopg.connect(**db_con_params, row_factory=psycopg.rows.dict_row) as conn:
with conn.cursor() as cur:
cur.execute(psycopg.sql.SQL("""
SELECT {column}, COUNT({column})
FROM login_attempt
GROUP BY {column}
ORDER BY COUNT({column}) DESC
LIMIT 20;
""").format(column=psycopg.sql.Identifier(column), ))
top_usernames = cur.fetchall()
col_names = [desc[0] for desc in cur.description]
return top_usernames, col_names
def get_password_of_the_month() -> str:
with psycopg.connect(**db_con_params, row_factory=psycopg.rows.dict_row) as conn:
with conn.cursor() as cur:
cur.execute("""
SELECT password
FROM login_attempt
WHERE timestamp BETWEEN current_timestamp - interval '1 month' AND timestamp
GROUP BY password
ORDER BY COUNT(password) DESC
LIMIT 1;
""")
password = cur.fetchone()['password']
return password
def get_histogram_detailed() -> str:
with psycopg.connect(**db_con_params, row_factory=psycopg.rows.dict_row) as conn:
with conn.cursor() as cur:
cur.execute("""
SELECT count(la.id) as total_count, date_trunc('hour', la.timestamp) as date, cn.ip
FROM login_attempt la
JOIN connection cn on cn.id = la.connection
GROUP BY date_trunc('hour', la.timestamp), cn.ip
ORDER BY date_trunc('hour', la.timestamp) DESC
LIMIT 48;
;
""")
histogram = cur.fetchall()
return histogram
def get_histogram_simple() -> str:
with psycopg.connect(**db_con_params, row_factory=psycopg.rows.dict_row) as conn:
with conn.cursor() as cur:
cur.execute("""
SELECT count(id) as total_count, date_trunc('hour', timestamp) as date
FROM login_attempt
GROUP BY date_trunc('hour', timestamp)
ORDER BY date_trunc('hour', timestamp)
LIMIT 48
;
""")
histogram = cur.fetchall()
return histogram
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