/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2012-2016 ForgeRock AS.
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*/
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package org.forgerock.opendj.rest2ldap;
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import static org.forgerock.opendj.rest2ldap.Rest2ldapMessages.*;
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import static org.forgerock.json.JsonValue.*;
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import static org.forgerock.opendj.ldap.Filter.alwaysFalse;
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import static org.forgerock.opendj.ldap.Filter.alwaysTrue;
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import static org.forgerock.opendj.rest2ldap.Utils.isNullOrEmpty;
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import static org.forgerock.opendj.rest2ldap.Utils.newBadRequestException;
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import static org.forgerock.opendj.rest2ldap.Utils.toFilter;
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import static org.forgerock.opendj.rest2ldap.Utils.toLowerCase;
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import static org.forgerock.util.promise.Promises.newResultPromise;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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import org.forgerock.json.JsonPointer;
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import org.forgerock.json.JsonValue;
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import org.forgerock.json.resource.PatchOperation;
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import org.forgerock.json.resource.ResourceException;
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import org.forgerock.opendj.ldap.Attribute;
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import org.forgerock.opendj.ldap.Entry;
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import org.forgerock.opendj.ldap.Filter;
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import org.forgerock.opendj.ldap.Modification;
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import org.forgerock.services.context.Context;
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import org.forgerock.util.promise.Promise;
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/**
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* An property mapper which maps a single JSON attribute to a fixed value.
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*/
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final class JsonConstantPropertyMapper extends PropertyMapper {
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private final JsonValue value;
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JsonConstantPropertyMapper(final Object value) {
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this.value = new JsonValue(value);
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}
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@Override
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boolean isRequired() {
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return false;
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}
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@Override
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boolean isMultiValued() {
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return false;
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}
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@Override
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public String toString() {
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return "constant(" + value + ")";
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}
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@Override
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Promise<List<Attribute>, ResourceException> create(final Context context,
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final Resource resource, final JsonPointer path,
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final JsonValue v) {
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if (!isNullOrEmpty(v) && !v.getObject().equals(value.getObject())) {
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return newBadRequestException(ERR_CREATION_READ_ONLY_FIELD.get(path)).asPromise();
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} else {
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return newResultPromise(Collections.<Attribute> emptyList());
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}
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}
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@Override
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void getLdapAttributes(final JsonPointer path, final JsonPointer subPath, final Set<String> ldapAttributes) {
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// Nothing to do.
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}
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@Override
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Promise<Filter, ResourceException> getLdapFilter(final Context context, final Resource resource,
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final JsonPointer path, final JsonPointer subPath,
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final FilterType type, final String operator,
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final Object valueAssertion) {
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return newResultPromise(getLdapFilter0(subPath, type, valueAssertion));
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}
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private Filter getLdapFilter0(final JsonPointer subPath, final FilterType type, final Object valueAssertion) {
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final JsonValue subValue = value.get(subPath);
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if (subValue == null) {
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return alwaysFalse();
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} else if (type == FilterType.PRESENT) {
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return alwaysTrue();
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} else if (value.isString() && valueAssertion instanceof String) {
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final String v1 = toLowerCase(value.asString());
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final String v2 = toLowerCase((String) valueAssertion);
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switch (type) {
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case CONTAINS:
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return toFilter(v1.contains(v2));
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case STARTS_WITH:
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return toFilter(v1.startsWith(v2));
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default:
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return compare(type, v1, v2);
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}
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} else if (value.isNumber() && valueAssertion instanceof Number) {
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final Double v1 = value.asDouble();
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final Double v2 = ((Number) valueAssertion).doubleValue();
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return compare(type, v1, v2);
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} else if (value.isBoolean() && valueAssertion instanceof Boolean) {
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final Boolean v1 = value.asBoolean();
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final Boolean v2 = (Boolean) valueAssertion;
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return compare(type, v1, v2);
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} else {
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// This property mapper is a candidate but it does not match.
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return alwaysFalse();
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}
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}
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@Override
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Promise<List<Modification>, ResourceException> patch(final Context context, final Resource resource,
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final JsonPointer path, final PatchOperation operation) {
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return newBadRequestException(ERR_PATCH_READ_ONLY_FIELD.get(path)).asPromise();
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}
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@Override
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Promise<JsonValue, ResourceException> read(final Context context, final Resource resource,
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final JsonPointer path, final Entry e) {
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return newResultPromise(value.copy());
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}
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@Override
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Promise<List<Modification>, ResourceException> update(final Context context, final Resource resource,
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final JsonPointer path, final Entry e, final JsonValue v) {
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if (!isNullOrEmpty(v) && !v.getObject().equals(value.getObject())) {
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return newBadRequestException(ERR_MODIFY_READ_ONLY_FIELD.get("update", path)).asPromise();
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} else {
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return newResultPromise(Collections.<Modification>emptyList());
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}
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}
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private <T extends Comparable<T>> Filter compare(final FilterType type, final T v1, final T v2) {
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switch (type) {
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case EQUAL_TO:
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return toFilter(v1.equals(v2));
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case GREATER_THAN:
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return toFilter(v1.compareTo(v2) > 0);
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case GREATER_THAN_OR_EQUAL_TO:
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return toFilter(v1.compareTo(v2) >= 0);
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case LESS_THAN:
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return toFilter(v1.compareTo(v2) < 0);
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case LESS_THAN_OR_EQUAL_TO:
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return toFilter(v1.compareTo(v2) <= 0);
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default:
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return alwaysFalse(); // Not supported.
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}
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}
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@Override
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JsonValue toJsonSchema() {
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return toJsonSchema(value);
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}
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private static JsonValue toJsonSchema(JsonValue value) {
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if (value.isMap()) {
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final JsonValue jsonSchema = json(object(field("type", "object")));
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final JsonValue jsonProps = json(object());
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for (String key : value.keys()) {
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jsonProps.put(key, toJsonSchema(value.get(key)));
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}
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jsonSchema.put("properties", jsonProps.getObject());
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return jsonSchema;
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} else if (value.isCollection()) {
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final JsonValue jsonSchema = json(object(field("type", "array")));
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final JsonValue firstItem = value.get(value.keys().iterator().next());
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// assume all items have the same schema
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JsonValue firstItemJson = toJsonSchema(firstItem);
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jsonSchema.put("items", firstItemJson != null ? firstItemJson.getObject() : null);
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if (value.getObject() instanceof Set) {
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jsonSchema.put("uniqueItems", true);
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}
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return jsonSchema;
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} else if (value.isBoolean()) {
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return json(object(field("type", "boolean"),
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field("default", value)));
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} else if (value.isString()) {
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return json(object(field("type", "string"),
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field("default", value)));
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} else if (value.isNumber()) {
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return json(object(field("type", "number"),
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field("default", value)));
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} else if (value.isNull()) {
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return json(object(field("type", "null")));
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} else {
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throw new IllegalStateException("Unsupported json value: " + value);
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}
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}
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}
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