set up db connection to create users based on cert hashes
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661858a616
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import sqlite3
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from sqlite3 import Error
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database = r"cgi-example.sqlite3"
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def create_connection():
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""" create a database connection to the SQLite database
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specified by db_file
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:param db_file: database file
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:return: Connection object or None
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"""
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conn = None
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try:
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conn = sqlite3.connect(database)
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except Error as e:
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print(e)
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return conn
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def add_user(conn):
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"""
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Create a new user record
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:param conn:
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:return: user id
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"""
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sql = ''' INSERT INTO user()
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DEFAULT VALUES '''
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cur = conn.cursor()
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cur.execute(sql)
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conn.commit()
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return cur.lastrowid
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def add_hash(conn, cert_user):
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"""
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Create a new record for cert_user
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:param conn:
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:param cert_user:
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:return: id
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"""
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sql = ''' INSERT INTO certs(hash,user_id)
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VALUES(?,?) '''
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cur = conn.cursor()
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cur.execute(sql, cert_user)
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conn.commit()
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return cur.lastrowid
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def get_user(conn, tls_client_hash):
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"""
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Get user id of tls_client_hash if it exists
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:param conn:
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:param tls_client_hash:
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:return: user id
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"""
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cur = conn.cursor()
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cur.execute("SELECT user_id FROM certs WHERE hash=?", (tls_client_hash,))
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rows = cur.fetchall()
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if len(rows) > 0:
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row = rows[0]
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return row[0] # user_id
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else:
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return None
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def check_hash(tls_client_hash):
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"""
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Check for existing user with hash or add a new one
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:param conn:
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:param tls_client_hash:
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:return: user id
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"""
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conn = create_connection()
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with conn:
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user_id = get_user(conn, tls_client_hash)
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if (user_id is None):
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user_id = add_user(conn)
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cert_hash = (tls_client_hash, user_id)
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add_hash(conn, cert_user)
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return user_id
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#vim:fenc=utf-8:ts=4:sw=4:sta:noet:sts=4:fdm=marker:ai
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@ -1,8 +1,13 @@
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#!/bin/python
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from helpers import get_client_cert
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from db import check_hash
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TLS_CLIENT_HASH = get_client_cert()
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print("TLS_CLIENT_HASH:")
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print(TLS_CLIENT_HASH)
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user_id = check_hash(TLS_CLIENT_HASH)
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print("USER ID:")
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print(user_id)
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#vim:fenc=utf-8:ts=4:sw=4:sta:noet:sts=4:fdm=marker:ai
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