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54 lines
1.7 KiB
54 lines
1.7 KiB
from flask import request |
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from http import HTTPStatus |
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from functools import wraps |
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import ram_db |
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import returns |
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def no_content(fn): |
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''' |
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Allows a Flask route to return None, which is converted into |
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HTTP 201 No Content. |
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''' |
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@wraps(fn) |
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def wrapper(*args, **kargs): |
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result = fn(*args, **kargs) |
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if result is None: |
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return None, HTTPStatus.NO_CONTENT |
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else: |
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return result |
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return wrapper |
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def ensure_logged_in(token=False, user_id=False): |
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''' |
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Ensure the user is logged in by providing an Authorization: Bearer token |
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header. |
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@param token whether the token should be supplied after validation |
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@param user_id whether the user_id should be supplied after validation |
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@return decorator which supplies the requested parameters |
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''' |
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def decorator(fn): |
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pass_token = token |
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pass_user_id = user_id |
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@wraps(fn) |
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def wrapper(*args, **kargs): |
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token = request.headers.get('Authorization', None) |
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if token is None: |
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return returns.NO_AUTHORIZATION |
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if not token.startswith('Bearer '): |
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return returns.INVALID_AUTHORIZATION |
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token = token[7:] |
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user_id = ram_db.get_user(token) |
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if user_id is None: |
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return returns.INVALID_AUTHORIZATION |
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if pass_user_id and pass_token: |
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return fn(user_id=user_id, token=token, *args, **kargs) |
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elif pass_user_id: |
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return fn(user_id=user_id, *args, **kargs) |
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elif pass_token: |
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return fn(token=token, *args, **kargs) |
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else: |
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return fn(*args, **kargs) |
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return wrapper |
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return decorator
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