mirror of
https://codeberg.org/prof_x_pvt_ltd/captive.whump.shanti-portal
synced 2024-08-14 22:46:42 +00:00
122 lines
3.2 KiB
Python
122 lines
3.2 KiB
Python
"""
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Database storage backends for client.py.
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"""
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import json
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from datetime import datetime
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import psycopg2
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from psycopg2.extras import DictCursor, register_ipaddress, Inet
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from redis import Redis
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from client import Client
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class StoragePostgres(object):
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"""
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This requires python 3 for inet data type.
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"""
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def __init__(self, **kw):
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config = kw.pop('config')
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self.conn = psycopg2.connect(
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host=config.get('postgres', 'hostname'),
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user=config.get('postgres', 'username'),
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password=config.get('postgres', 'password'),
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dbname=config.get('postgres', 'database'),
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port=config.getint('postgres', 'port'),
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sslmode='disable',
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cursor_factory=DictCursor
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)
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self.cur = self.conn.cursor()
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register_ipaddress()
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def client_ids(self):
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self.cur.execute(
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'select client_id from client'
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)
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return self.cur.fetchall()
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def get_client_by_id(self, client_id):
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self.cur.execute(
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'select * from client where client_id=%s',
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(client_id,)
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)
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return self.cur.fetchone()
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def get_client(self, ip_address, protocol):
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"""
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Expects an ipaddress.IPv4Interface as ip_address argument.
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"""
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self.cur.execute(
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'select * from client where ip_address=%s and protocol=%s',
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(ip_address, protocol, )
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)
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return self.cur.fetchone()
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def write_client(self, client):
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query = (
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'insert into client (client_id, created, ip_address, protocol, '
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'enabled, last_packets, last_activity, expires) values '
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'(%s, %s, %s, %s, %s, %s, %s, %s) on conflict (client_id, '
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'ip_address, protocol) do update set (enabled, last_packets, '
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'last_activity, expires) = (EXCLUDED.enabled, EXCLUDED.last_packets, '
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'EXCLUDED.last_activity, EXCLUDED.expires)'
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)
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self.cur.execute(
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query,
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(
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client.client_id,
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client.created,
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client.ip_address,
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client.protocol,
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client.enabled,
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client.last_packets,
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client.last_activity,
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client.expires
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)
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)
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self.conn.commit()
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def remove_client(self, client):
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query = 'delete from client where client_id=%s'
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self.cur.execute(query, (client.client_id,))
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self.conn.commit()
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class DateTimeEncoder(json.JSONEncoder):
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"""
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json.JSONEncoder sub-class that converts all datetime objects to
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epoch timestamp integer values.
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"""
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def default(self, o):
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if isinstance(o, datetime):
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return int(o.strftime('%s'))
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return json.JSONEncoder.default(self, o)
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class StorageRedis(object):
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"""
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Note: Abandoned this storage backend for Postgres.
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"""
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def __init__(self, **kw):
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config = kw.pop('config')
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self.r = Redis(
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host=config.get('redis', 'hostname'),
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port=config.getint('redis', 'port'),
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db=config.getint('redis', 'db')
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)
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def add_client(self, client_id, **kw):
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raise NotImplemented
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