+++ /dev/null
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2018 Michael Rasmussen <mir@datanom.net>
-
-# This file is part of SecureMail.
-
-# SecureMail is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# SecureMail is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with SecureMail. If not, see <https://www.gnu.org/licenses/>.
-
-# sqlite
-sqlite_sql = """create table account (
-id int auto_increment,
-token char(128) unique not null,
-cipher text not null,
-primary key (id))"""
-
-# mysql
-mysql_sql = """create table account (
-id int auto_increment,
-token char(128) unique not null,
-cipher text not null,
-primary key (id))"""
-
-# postgresql
-postgresql_sql = """create table account (
-id serial,
-token char(128) unique not null,
-cipher bytea not null,
-primary key (id))"""
-
-import base64
-from config import DBTYPE, DBNAME
-try:
- from config import DBUID
-except ImportError:
- DBUID = 'backend'
-try:
- from config import DBPWD
-except ImportError:
- DBPWD = 'clV77B2ZJQxr'
-try:
- from config import DBHOST
-except ImportError:
- DBHOST = 'localhost'
-try:
- from config import DBPORT
-except ImportError:
- if DBTYPE == 'mysql':
- DBPORT = 3306
- elif DBTYPE == 'postgresql':
- DBPORT = 5432
-from cryptonize import Cryptonize
-
-class Singleton:
- def __init__(self, klass):
- self.klass = klass
- self.instance = None
-
- def __call__(self, *args, **kwargs):
- if self.instance == None:
- self.instance = self.klass(*args, **kwargs)
- return self.instance
-
-@Singleton
-class DB:
- conn = None
-
- def get_connection(self):
- if self.conn is None:
- if DBTYPE == 'mysql':
- import MySQLdb
- self.conn = MySQLdb.connect(host=DBHOST, port=DBPORT, user=DBUID, passwd=DBPWD, db=DBNAME)
- elif DBTYPE == 'postgresql':
- import psycopg2
- self.conn = psycopg2.connect(host=DBHOST, port=DBPORT, user=DBUID, password=DBPWD, dbname=DBNAME)
- elif DBTYPE == 'sqlite':
- import apsw
- self.conn = apsw.Connection('./{0}.db'.format(DBNAME))
- else:
- raise ValueError('{0}: Unsupported database'.format(DBTYPE))
- return self.conn
-
- def __del__(self):
- if self.conn is not None:
- self.conn.close()
-
-class DBInterface:
- @staticmethod
- def load_user(key):
- conn = DB().get_connection()
- cursor = conn.cursor()
- cursor.execute("select a.cipher from account a where token = '{0}'".format(key))
- row = cursor.fetchone()
- if row is None:
- obj = None
- else:
- c = Cryptonize()
- msg = base64.b64decode(row[0])
- obj = c.create_EncryptedMessage(msg)
- cursor.close()
-
- return obj
-
- @staticmethod
- def store_user(key, cipher):
- if DBTYPE == 'mysql':
- from MySQLdb import Error as DBError
- elif DBTYPE == 'postgresql':
- from psycopg2 import Error as DBError
- elif DBTYPE == 'sqlite':
- from apsw import Error as DBError
- conn = DB().get_connection()
- cursor = conn.cursor()
- raw = base64.b64encode(cipher)
- try:
- if DBTYPE != 'sqlite':
- cursor.execute("insert into account(token, cipher) values(%s, %s)", (key, raw))
- conn.commit()
- else:
- cursor.execute('begin')
- cursor.execute("insert into account(token, cipher) values(?, ?)", (key, raw))
- cursor.execute('commit')
- except DBError as e:
- print (e)
- if DBTYPE != 'sqlite':
- conn.rollback()
- else:
- cursor.execute('rollback')
- raise e
- finally:
- cursor.close()
-
- @staticmethod
- def create_database():
- if DBTYPE == 'mysql':
- from MySQLdb import Error as DBError
- elif DBTYPE == 'postgresql':
- from psycopg2 import Error as DBError
- elif DBTYPE == 'sqlite':
- from apsw import Error as DBError
- conn = DB().get_connection()
- cursor = conn.cursor()
- try:
- if DBTYPE != 'sqlite':
- if DBTYPE == 'mysql':
- sql = mysql_sql
- elif DBTYPE == 'postgresql':
- sql = postgresql_sql
- cursor.execute(sql)
- conn.commit()
- else:
- cursor.execute('begin')
- cursor.execute(sqlite_sql)
- cursor.execute('commit')
- except DBError as e:
- if DBTYPE != 'sqlite':
- conn.rollback()
- else:
- cursor.execute('rollback')
- raise e
- finally:
- cursor.close()
-
-def main():
- from optparse import OptionParser
-
- usage = "usage: %prog [options] arg"
- parser = OptionParser(usage)
- parser.add_option("-c", "--create", action="store_true", dest="create",
- help="Create tables in database using config.py", default=False)
- parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
- help="Run in verbose mode", default=False)
- (options, args) = parser.parse_args()
-
- if options.create:
- try:
- if options.verbose:
- print("Creating empty database")
- print("Database Engine: {0}".format(DBTYPE))
- if DBTYPE != 'sqlite':
- print("Database Host: {0}".format(DBHOST))
- print("Database Port: {0}".format(DBPORT))
- else:
- print("Database File: ./{0}.db".format(DBNAME))
- DBInterface.create_database()
- print("Database created")
- except Exception as e:
- print("Creating database failed!")
- print(e)
-
-if __name__ == '__main__':
- main()
projects / securemail.git / blobdiff