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user_sessions.py
181 lines | 5.7 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2017-2017 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program 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 Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
import os
import time
import datetime
import dateutil
from rhodecode.model.db import DbSession, Session
class CleanupCommand(Exception):
pass
class BaseAuthSessions(object):
SESSION_TYPE = None
NOT_AVAILABLE = 'NOT AVAILABLE'
def __init__(self, config):
session_conf = {}
for k, v in config.items():
if k.startswith('beaker.session'):
session_conf[k] = v
self.config = session_conf
def get_count(self):
raise NotImplementedError
def get_expired_count(self, older_than_seconds=None):
raise NotImplementedError
def clean_sessions(self, older_than_seconds=None):
raise NotImplementedError
def _seconds_to_date(self, seconds):
return datetime.datetime.utcnow() - dateutil.relativedelta.relativedelta(
seconds=seconds)
class DbAuthSessions(BaseAuthSessions):
SESSION_TYPE = 'ext:database'
def get_count(self):
return DbSession.query().count()
def get_expired_count(self, older_than_seconds=None):
expiry_date = self._seconds_to_date(older_than_seconds)
return DbSession.query().filter(DbSession.accessed < expiry_date).count()
def clean_sessions(self, older_than_seconds=None):
expiry_date = self._seconds_to_date(older_than_seconds)
to_remove = DbSession.query().filter(DbSession.accessed < expiry_date).count()
DbSession.query().filter(DbSession.accessed < expiry_date).delete()
Session().commit()
return to_remove
class FileAuthSessions(BaseAuthSessions):
SESSION_TYPE = 'file sessions'
def _get_sessions_dir(self):
data_dir = self.config.get('beaker.session.data_dir')
return data_dir
def _count_on_filesystem(self, path, older_than=0, callback=None):
value = dict(percent=0, used=0, total=0, items=0, callbacks=0,
path=path, text='')
items_count = 0
used = 0
callbacks = 0
cur_time = time.time()
for root, dirs, files in os.walk(path):
for f in files:
final_path = os.path.join(root, f)
try:
mtime = os.stat(final_path).st_mtime
if (cur_time - mtime) > older_than:
items_count += 1
if callback:
callback_res = callback(final_path)
callbacks += 1
else:
used += os.path.getsize(final_path)
except OSError:
pass
value.update({
'percent': 100,
'used': used,
'total': used,
'items': items_count,
'callbacks': callbacks
})
return value
def get_count(self):
try:
sessions_dir = self._get_sessions_dir()
items_count = self._count_on_filesystem(sessions_dir)['items']
except Exception:
items_count = self.NOT_AVAILABLE
return items_count
def get_expired_count(self, older_than_seconds=0):
try:
sessions_dir = self._get_sessions_dir()
items_count = self._count_on_filesystem(
sessions_dir, older_than=older_than_seconds)['items']
except Exception:
items_count = self.NOT_AVAILABLE
return items_count
def clean_sessions(self, older_than_seconds=0):
# find . -mtime +60 -exec rm {} \;
sessions_dir = self._get_sessions_dir()
def remove_item(path):
os.remove(path)
stats = self._count_on_filesystem(
sessions_dir, older_than=older_than_seconds,
callback=remove_item)
return stats['callbacks']
class MemcachedAuthSessions(BaseAuthSessions):
SESSION_TYPE = 'ext:memcached'
def get_count(self):
return self.NOT_AVAILABLE
def get_expired_count(self, older_than_seconds=None):
return self.NOT_AVAILABLE
def clean_sessions(self, older_than_seconds=None):
raise CleanupCommand('Cleanup for this session type not yet available')
class MemoryAuthSessions(BaseAuthSessions):
SESSION_TYPE = 'memory'
def get_count(self):
return self.NOT_AVAILABLE
def get_expired_count(self, older_than_seconds=None):
return self.NOT_AVAILABLE
def clean_sessions(self, older_than_seconds=None):
raise CleanupCommand('Cleanup for this session type not yet available')
def get_session_handler(session_type):
types = {
'file': FileAuthSessions,
'ext:memcached': MemcachedAuthSessions,
'ext:database': DbAuthSessions,
'memory': MemoryAuthSessions
}
try:
return types[session_type]
except KeyError:
raise ValueError(
'This type {} is not supported'.format(session_type))