Examples with UmaPolicyQueryFilterVisitor org.forgerock.openam.uma.UmaPolicyQueryFilterVisitor used on opensource projects

Example 1 with UmaPolicyQueryFilterVisitor

use of org.forgerock.openam.uma.UmaPolicyQueryFilterVisitor in project OpenAM by OpenRock.

the class UmaPolicyServiceImpl method queryPolicies.

/**
     * {@inheritDoc}
     */
@Override
public Promise<Pair<QueryResponse, Collection<UmaPolicy>>, ResourceException> queryPolicies(final Context context, final QueryRequest umaQueryRequest) {
    if (umaQueryRequest.getQueryExpression() != null) {
        return new BadRequestException("Query expressions not supported").asPromise();
    }
    QueryRequest request = Requests.newQueryRequest("");
    final AggregateQuery<QueryFilter<JsonPointer>, QueryFilter<JsonPointer>> filter = umaQueryRequest.getQueryFilter().accept(new AggregateUmaPolicyQueryFilter(), new AggregateQuery<QueryFilter<JsonPointer>, QueryFilter<JsonPointer>>());
    String queryId = umaQueryRequest.getQueryId();
    if (queryId != null && queryId.equals("searchAll")) {
        request.setQueryFilter(QueryFilter.<JsonPointer>alwaysTrue());
    } else {
        String resourceOwnerUid = getResourceOwnerUid(context);
        if (filter.getFirstQuery() == null) {
            request.setQueryFilter(QueryFilter.equalTo(new JsonPointer("createdBy"), resourceOwnerUid));
        } else {
            request.setQueryFilter(QueryFilter.and(QueryFilter.equalTo(new JsonPointer("createdBy"), resourceOwnerUid), filter.getFirstQuery()));
        }
    }
    return policyResourceDelegate.queryPolicies(context, request).thenAsync(new AsyncFunction<Pair<QueryResponse, List<ResourceResponse>>, Collection<UmaPolicy>, ResourceException>() {

        @Override
        public Promise<Collection<UmaPolicy>, ResourceException> apply(Pair<QueryResponse, List<ResourceResponse>> value) {
            Map<String, Set<ResourceResponse>> policyMapping = new HashMap<>();
            for (ResourceResponse policy : value.getSecond()) {
                String resource = policy.getContent().get("resources").asList(String.class).get(0);
                if (!resource.startsWith(UMA_POLICY_SCHEME)) {
                    continue;
                }
                resource = resource.replaceFirst(UMA_POLICY_SCHEME, "");
                if (resource.indexOf(":") > 0) {
                    resource = resource.substring(0, resource.indexOf(":"));
                }
                Set<ResourceResponse> mapping = policyMapping.get(resource);
                if (mapping == null) {
                    mapping = new HashSet<>();
                    policyMapping.put(resource, mapping);
                }
                mapping.add(policy);
            }
            try {
                Collection<UmaPolicy> umaPolicies = new HashSet<>();
                for (Map.Entry<String, Set<ResourceResponse>> entry : policyMapping.entrySet()) {
                    ResourceSetDescription resourceSet = getResourceSetDescription(entry.getKey(), context);
                    UmaPolicy umaPolicy = UmaPolicy.fromUnderlyingPolicies(resourceSet, entry.getValue());
                    resolveUIDToUsername(umaPolicy.asJson());
                    umaPolicies.add(umaPolicy);
                }
                return newResultPromise(umaPolicies);
            } catch (ResourceException e) {
                return e.asPromise();
            }
        }
    }).thenAsync(new AsyncFunction<Collection<UmaPolicy>, Pair<QueryResponse, Collection<UmaPolicy>>, ResourceException>() {

        @Override
        public Promise<Pair<QueryResponse, Collection<UmaPolicy>>, ResourceException> apply(Collection<UmaPolicy> policies) {
            Collection<UmaPolicy> results = policies;
            if (filter.getSecondQuery() != null) {
                PolicySearch search = filter.getSecondQuery().accept(new UmaPolicyQueryFilterVisitor(), new PolicySearch(policies));
                if (AggregateQuery.Operator.AND.equals(filter.getOperator())) {
                    results.retainAll(search.getPolicies());
                }
            }
            int pageSize = umaQueryRequest.getPageSize();
            String pagedResultsCookie = umaQueryRequest.getPagedResultsCookie();
            int pagedResultsOffset = umaQueryRequest.getPagedResultsOffset();
            Collection<UmaPolicy> pagedPolicies = new HashSet<UmaPolicy>();
            int count = 0;
            for (UmaPolicy policy : results) {
                if (count >= pagedResultsOffset * pageSize) {
                    pagedPolicies.add(policy);
                }
                count++;
            }
            int remainingPagedResults = results.size() - pagedPolicies.size();
            if (pageSize > 0) {
                remainingPagedResults /= pageSize;
            }
            return newResultPromise(Pair.of(newQueryResponse(pagedResultsCookie, CountPolicy.EXACT, remainingPagedResults), pagedPolicies));
        }
    });
}