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quay/auth/oauth.py
Joseph Schorr 651666b60b Refactor our auth handling code to be cleaner
Breaks out the validation code from the auth context modification calls, makes decorators easier to define and adds testing for each individual piece. Will be the basis of better error messaging in the following change.
2017-03-23 15:42:45 -04:00

49 lines
1.9 KiB
Python

import logging
from datetime import datetime
from auth.scopes import scopes_from_scope_string
from auth.validateresult import AuthKind, ValidateResult
from data import model
logger = logging.getLogger(__name__)
def validate_bearer_auth(auth_header):
""" Validates an OAuth token found inside a basic auth `Bearer` token, returning whether it
points to a valid OAuth token.
"""
if not auth_header:
return ValidateResult(AuthKind.oauth, missing=True)
normalized = [part.strip() for part in auth_header.split(' ') if part]
if normalized[0].lower() != 'bearer' or len(normalized) != 2:
logger.debug('Got invalid bearer token format: %s', auth_header)
return ValidateResult(AuthKind.oauth, missing=True)
(_, oauth_token) = normalized
return validate_oauth_token(oauth_token)
def validate_oauth_token(token):
""" Validates the specified OAuth token, returning whether it points to a valid OAuth token.
"""
validated = model.oauth.validate_access_token(token)
if not validated:
logger.warning('OAuth access token could not be validated: %s', token)
return ValidateResult(AuthKind.oauth,
error_message='OAuth access token could not be validated')
if validated.expires_at <= datetime.utcnow():
logger.info('OAuth access with an expired token: %s', token)
return ValidateResult(AuthKind.oauth, error_message='OAuth access token has expired')
# Don't allow disabled users to login.
if not validated.authorized_user.enabled:
return ValidateResult(AuthKind.oauth,
error_message='Granter of the oauth access token is disabled')
# We have a valid token
scope_set = scopes_from_scope_string(validated.scope)
logger.debug('Successfully validated oauth access token: %s with scope: %s', token,
scope_set)
return ValidateResult(AuthKind.oauth, oauthtoken=validated)