85 lines
2.4 KiB
Python
85 lines
2.4 KiB
Python
"""
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Session helper
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2022 Project Author name guillermo.gutierrezmorote@concordia.ca
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"""
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import os
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import shutil
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import uuid
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import datetime
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import time
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from copy import deepcopy
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from pathlib import Path
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sessions = {}
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begin_time = None
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swagger_data = None
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city = None
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greenery_catalog = None
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construction_catalog = None
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usage_catalog = None
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debug_mode = False
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def expired_sessions_collector(session_timeout_duration):
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"""
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Goes through each session in sessions and removes expired session(s)
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"""
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while True:
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if bool(sessions):
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_sessions = deepcopy(sessions)
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for session_uuid in _sessions:
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_expire = datetime.datetime.strptime(_sessions[session_uuid]['expire'], '%Y-%m-%d %H:%M:%S.%f')
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if _expire < datetime.datetime.now():
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print("session for user: ", _sessions[session_uuid]['user'], "expired.")
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response_path = (Path(__file__).parent.parent / f'response_files/{session_uuid}').resolve()
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shutil.rmtree(response_path)
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del sessions[session_uuid]
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time.sleep(60 * int(session_timeout_duration))
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def _validate_session(session_id, token, application_uuid):
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"""
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Checks if session is valid
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"""
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try:
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_session = session(session_id)
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if debug_mode:
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token = _session['token']
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return bool(_session) and (_session['token'] == token) and str(_session['application_uuid']) == application_uuid
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except KeyError:
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return False
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def remove_session(session_id, token, application_uuid):
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"""
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Remove a session from the sessions array
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"""
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if _validate_session(session_id, token, application_uuid):
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del sessions[session_id]
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return True
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return False
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def refresh_session(session_id, token, application_uuid):
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"""
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Validate and extend current session
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:return: valid session
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"""
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if _validate_session(session_id, token, application_uuid):
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sessions[session_id]['expire'] = str(datetime.datetime.now() + datetime.timedelta(minutes=5))
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sessions[session_id]['token'] = str(uuid.uuid4())
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return session(session_id)
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return None
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def active_session(session_id, token, application_uuid):
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_is_valid = _validate_session(session_id=session_id, token=token, application_uuid=application_uuid)
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if _is_valid:
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refresh_session(session_id, token, application_uuid)
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return _is_valid
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def session(session_id) -> {}:
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return sessions[session_id]
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