You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
1023 B
Python
40 lines
1023 B
Python
from cryptography.fernet import Fernet
|
|
from flask import current_app as app
|
|
|
|
REQUIRED_SESSION_VALUES = ['uuid', 'config', 'key']
|
|
|
|
|
|
def generate_key() -> bytes:
|
|
"""Generates a key for encrypting searches and element URLs
|
|
|
|
Args:
|
|
cookies_disabled: Flag for whether or not cookies are disabled by the
|
|
user. If so, the user can only use the default key
|
|
generated on app init for queries.
|
|
|
|
Returns:
|
|
str: A unique Fernet key
|
|
|
|
"""
|
|
# Generate/regenerate unique key per user
|
|
return Fernet.generate_key()
|
|
|
|
|
|
def valid_user_session(session: dict) -> bool:
|
|
"""Validates the current user session
|
|
|
|
Args:
|
|
session: The current Flask user session
|
|
|
|
Returns:
|
|
bool: True/False indicating that all required session values are
|
|
available
|
|
|
|
"""
|
|
# Generate secret key for user if unavailable
|
|
for value in REQUIRED_SESSION_VALUES:
|
|
if value not in session:
|
|
return False
|
|
|
|
return True
|