Added some openid code.

flask_website/_openid_auth.py

@@ -0,0 +1,83 @@
+from __future__ import with_statement
+
+from time import time
+from hashlib import sha1
+from contextlib import closing
+
+from openid.association import Association
+from openid.store.interface import OpenIDStore
+from openid.consumer.consumer import Consumer, SUCCESS, CANCEL
+from openid.consumer import discover
+from openid.store import nonce
+
+from sqlalchemy.orm import scoped_session
+from sqlalchemy.exceptions import SQLError
+
+from flask import request, redirect, abort, url_for, flash
+from flask_website.database import User, db_session
+
+
+class WebsiteOpenIDStore(OpenIDStore):
+    """Implements the open store for the website using the database."""
+
+    def storeAssociation(self, server_url, association):
+        assoc = OpenIDAssociation(
+            server_url=server_url,
+            handle=association.handle,
+            secret=association.secret.encode('base64'),
+            issued=association.issued,
+            lifetime=association.lifetime,
+            assoc_type=association.assoc_type
+        )
+        db_session.add(assoc)
+
+    def getAssociation(self, server_url, handle=None):
+        q = OpenIDAssociation.query.filter_by(server_url=server_url)
+        if handle is not None:
+            q = q.filter_by(handle=handle)
+        result_assoc = None
+        for item in q.all():
+            assoc = Association(item.handle, item.secret.decode('base64'),
+                                item.issued, item.lifetime, item.assoc_type)
+            if assoc.getExpiresIn() <= 0:
+                self.removeAssociation(server_url, assoc.handle)
+            else:
+                result_assoc = assoc
+        return result_assoc
+
+    def removeAssociation(self, server_url, handle):
+        return OpenIDAssociation.filter(
+            (OpenIDAssociation.server_url == server_url) &
+            (OpenIDAssociation.handle == handle)
+        ).delete()
+
+    def useNonce(self, server_url, timestamp, salt):
+        if abs(timestamp - time()) > nonce.SKEW:
+            return False
+        rv = OpenIDUserNonces.query.filter(
+            (OpenIDUserNonces.server_url == server_url) &
+            (OpenIDUserNonces.timestamp == timestamp) &
+            (OpenIDUserNonces.salt == salt)
+        ).first()
+        if rv is not None:
+            return False
+        rv = OpenIDUserNonces(server_url=server_url, timestamp=timestamp,
+                              salt=salt)
+        session.add(rv)
+        return True
+
+    def cleanupNonces(self):
+        return OpenIDUserNonces.filter(
+            OpenIDUserNonces.timestamp <= int(time() - nonce.SKEW)
+        ).delete()
+
+    def cleanupAssociations(self):
+        return OpenIDAssociation.filter(
+            OpenIDAssociation.lifetime < int(time())
+        ).delete()
+
+    def getAuthKey(self):
+        return sha1(config.SECRET_KEY).hexdigest()[:self.AUTH_KEY_LEN]
+
+    def isDump(self):
+        return False