Base sessions on UUIDs.

Now that a backfill has been applied, sessions can now be based on UUIDs
because all users will have one.

auth/auth.py

@@ -25,7 +25,7 @@ def _load_user_from_cookie():
   if not current_user.is_anonymous():
     logger.debug('Loading user from cookie: %s', current_user.get_id())
     set_authenticated_user_deferred(current_user.get_id())
-    loaded = QuayDeferredPermissionUser(current_user.get_id(), 'user_db_id', {scopes.DIRECT_LOGIN})
+    loaded = QuayDeferredPermissionUser(current_user.get_id(), 'user_uuid', {scopes.DIRECT_LOGIN})
     identity_changed.send(app, identity=loaded)
     return current_user.db_user()
   return None
@@ -58,7 +58,7 @@ def _validate_and_apply_oauth_token(token):
   set_authenticated_user(validated.authorized_user)
   set_validated_oauth_token(validated)
 
-  new_identity = QuayDeferredPermissionUser(validated.authorized_user.id, 'user_db_id', scope_set)
+  new_identity = QuayDeferredPermissionUser(validated.authorized_user.uuid, 'user_uuid', scope_set)
   identity_changed.send(app, identity=new_identity)
 
 
@@ -98,7 +98,7 @@ def process_basic_auth(auth):
       logger.debug('Successfully validated robot: %s' % credentials[0])
       set_authenticated_user(robot)
 
-      deferred_robot = QuayDeferredPermissionUser(robot.id, 'user_db_id', {scopes.DIRECT_LOGIN})
+      deferred_robot = QuayDeferredPermissionUser(robot.uuid, 'user_uuid', {scopes.DIRECT_LOGIN})
       identity_changed.send(app, identity=deferred_robot)
       return
     except model.InvalidRobotException:
@@ -111,7 +111,7 @@ def process_basic_auth(auth):
       logger.debug('Successfully validated user: %s' % authenticated.username)
       set_authenticated_user(authenticated)
 
-      new_identity = QuayDeferredPermissionUser(authenticated.id, 'user_db_id',
+      new_identity = QuayDeferredPermissionUser(authenticated.uuid, 'user_uuid',
                                                 {scopes.DIRECT_LOGIN})
       identity_changed.send(app, identity=new_identity)
       return

auth/auth_context.py

@@ -10,13 +10,13 @@ logger = logging.getLogger(__name__)
 def get_authenticated_user():
   user = getattr(_request_ctx_stack.top, 'authenticated_user', None)
   if not user:
-    db_id = getattr(_request_ctx_stack.top, 'authenticated_db_id', None)
-    if not db_id:
-      logger.debug('No authenticated user or deferred database id.')
+    user_uuid = getattr(_request_ctx_stack.top, 'authenticated_user_uuid', None)
+    if not user_uuid:
+      logger.debug('No authenticated user or deferred user uuid.')
       return None
 
     logger.debug('Loading deferred authenticated user.')
-    loaded = model.get_user_by_id(db_id)
+    loaded = model.get_user_by_uuid(user_uuid)
     set_authenticated_user(loaded)
     user = loaded
 
@@ -30,10 +30,10 @@ def set_authenticated_user(user_or_robot):
   ctx.authenticated_user = user_or_robot
 
 
-def set_authenticated_user_deferred(user_or_robot_db_id):
-  logger.debug('Deferring loading of authenticated user object with id: %s', user_or_robot_db_id)
+def set_authenticated_user_deferred(user_or_robot_db_uuid):
+  logger.debug('Deferring loading of authenticated user object with uuid: %s', user_or_robot_db_uuid)
   ctx = _request_ctx_stack.top
-  ctx.authenticated_db_id = user_or_robot_db_id
+  ctx.authenticated_user_uuid = user_or_robot_db_uuid
 
 
 def get_validated_oauth_token():

auth/permissions.py

@@ -58,8 +58,8 @@ SCOPE_MAX_USER_ROLES.update({
 
 
 class QuayDeferredPermissionUser(Identity):
-  def __init__(self, db_id, auth_type, scopes):
-    super(QuayDeferredPermissionUser, self).__init__(db_id, auth_type)
+  def __init__(self, uuid, auth_type, scopes):
+    super(QuayDeferredPermissionUser, self).__init__(uuid, auth_type)
 
     self._permissions_loaded = False
     self._scope_set = scopes
@@ -88,7 +88,7 @@ class QuayDeferredPermissionUser(Identity):
   def can(self, permission):
     if not self._permissions_loaded:
       logger.debug('Loading user permissions after deferring.')
-      user_object = model.get_user_by_id(self.id)
+      user_object = model.get_user_by_uuid(self.id)
 
       # Add the superuser need, if applicable.
       if (user_object.username is not None and
@@ -228,11 +228,11 @@ def on_identity_loaded(sender, identity):
   # We have verified an identity, load in all of the permissions
 
   if isinstance(identity, QuayDeferredPermissionUser):
-    logger.debug('Deferring permissions for user: %s', identity.id)
+    logger.debug('Deferring permissions for user with uuid: %s', identity.id)
 
-  elif identity.auth_type == 'user_db_id':
-    logger.debug('Switching username permission to deferred object: %s', identity.id)
-    switch_to_deferred = QuayDeferredPermissionUser(identity.id, 'user_db_id', {scopes.DIRECT_LOGIN})
+  elif identity.auth_type == 'user_uuid':
+    logger.debug('Switching username permission to deferred object with uuid: %s', identity.id)
+    switch_to_deferred = QuayDeferredPermissionUser(identity.id, 'user_uuid', {scopes.DIRECT_LOGIN})
     identity_changed.send(app, identity=switch_to_deferred)
 
   elif identity.auth_type == 'token':