797ace982f
Done so far Basic backend skeleton - technology choices - database migration outline - basic self hosting facade - basic REST outline - proof of concept for auth and privileges Basic frontend skeleton - technology choices - pretty robust frontend compilation - top navigation - proof of concept for registration form
33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
import base64
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import falcon
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class Authenticator(object):
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def __init__(self, auth_service):
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self._auth_service = auth_service
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def process_request(self, request, response):
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request.context['user'] = self._get_user(request)
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def _get_user(self, request):
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if not request.auth:
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return self._auth_service.authenticate(None, None)
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try:
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auth_type, user_and_password = request.auth.split(' ', 1)
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if auth_type.lower() != 'basic':
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raise falcon.HTTPBadRequest(
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'Invalid authentication type',
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'Only basic authorization is supported.')
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username, password = base64.decodestring(
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user_and_password.encode('ascii')).decode('utf8').split(':')
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return self._auth_service.authenticate(username, password)
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except ValueError as err:
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msg = 'Basic authentication header value not properly formed. ' \
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+ 'Supplied header {0}. Got error: {1}'
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raise falcon.HTTPBadRequest(
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'Malformed authentication request',
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msg.format(request.auth, str(err)))
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