Hi,
the AbstractResourceAccessManager implements the security filter method is
a most unusual way:
@Override
public Filter getSecurityFilter(final Authentication user,
final Class<? extends CatalogInfo> clazz) {
org.opengis.filter.expression.Function visible = new
InternalVolatileFunction() {
@Override
public Boolean evaluate(Object object) {
CatalogInfo info = (CatalogInfo) object;
if(info instanceof NamespaceInfo) {
info = getCatalog().getWorkspaceByName(((NamespaceInfo)
info).getPrefix());
}
String name = (String) OwsUtils.property(info, "name",
String.class);
WrapperPolicy policy = getSecurityWrapper()
.buildWrapperPolicy(AbstractResourceAccessManager.this, user, info);
AccessLevel accessLevel = policy.getAccessLevel();
boolean visible = !AccessLevel.HIDDEN.equals(accessLevel);
return Boolean.valueOf(visible);
}
};
FilterFactory factory = Predicates.factory;
// create a filter combined with the security credentials check
Filter filter = factory.equals(factory.literal(Boolean.TRUE),
visible);
return filter;
}
This filter is forcing JDBCConfig to a full scan, because it's not
supported encoding wise.
Which kind of defeats the purpose of the getSecurityFilter method, which
was to
do a first pass and quickly remove everything that the security manage knows
is not needed, to then have the secure catalog check one by one the object
returned in memory later.
Instead this function is basically breaking the relationship between the
access
manager and resource catalog making this function call back to the secure
catalog for each and every item in the configuration.
Why was it done this way? Are we sure this is really necessary?
This work was part of Kevin's commit here:
https://github.com/geoserver/geoserver/commit/887027a07aab01ef12fd9b0f7fe699c3d1bd46e8
Cheers
Andrea
--
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