79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
from time import time
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from openid.association import Association
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from openid.store.interface import OpenIDStore
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from openid.store import nonce
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from flask_website.database import User, db_session, OpenIDAssociation, \
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OpenIDUserNonce
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class DatabaseOpenIDStore(OpenIDStore):
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"""Implements the open store for the website using the database."""
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def storeAssociation(self, server_url, association):
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assoc = OpenIDAssociation(
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server_url=server_url,
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handle=association.handle,
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secret=association.secret.encode('base64'),
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issued=association.issued,
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lifetime=association.lifetime,
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assoc_type=association.assoc_type
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)
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db_session.add(assoc)
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db_session.commit()
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def getAssociation(self, server_url, handle=None):
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q = OpenIDAssociation.query.filter_by(server_url=server_url)
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if handle is not None:
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q = q.filter_by(handle=handle)
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result_assoc = None
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for item in q.all():
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assoc = Association(item.handle, item.secret.decode('base64'),
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item.issued, item.lifetime, item.assoc_type)
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if assoc.getExpiresIn() <= 0:
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self.removeAssociation(server_url, assoc.handle)
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else:
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result_assoc = assoc
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return result_assoc
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def removeAssociation(self, server_url, handle):
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try:
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return OpenIDAssociation.query.filter(
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(OpenIDAssociation.server_url == server_url) &
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(OpenIDAssociation.handle == handle)
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).delete()
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finally:
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db_session.commit()
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def useNonce(self, server_url, timestamp, salt):
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if abs(timestamp - time()) > nonce.SKEW:
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return False
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rv = OpenIDUserNonce.query.filter(
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(OpenIDUserNonce.server_url == server_url) &
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(OpenIDUserNonce.timestamp == timestamp) &
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(OpenIDUserNonce.salt == salt)
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).first()
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if rv is not None:
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return False
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rv = OpenIDUserNonce(server_url=server_url, timestamp=timestamp,
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salt=salt)
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db_session.add(rv)
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db_session.commit()
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return True
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def cleanupNonces(self):
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try:
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return OpenIDUserNonce.query.filter(
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OpenIDUserNonce.timestamp <= int(time() - nonce.SKEW)
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).delete()
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finally:
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db_session.commit()
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def cleanupAssociations(self):
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try:
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return OpenIDAssociation.query.filter(
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OpenIDAssociation.lifetime < int(time())
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).delete()
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finally:
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db_session.commit()
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