/*
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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 javax.xml.bind.DatatypeConverter.parseDateTime;
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import static javax.xml.bind.DatatypeConverter.printDateTime;
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import static org.forgerock.opendj.ldap.Filter.alwaysFalse;
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import static org.forgerock.opendj.ldap.Functions.byteStringToBoolean;
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import static org.forgerock.opendj.ldap.Functions.byteStringToGeneralizedTime;
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import static org.forgerock.opendj.ldap.Functions.byteStringToLong;
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import static org.forgerock.opendj.ldap.Functions.byteStringToString;
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import static org.forgerock.opendj.ldap.schema.CoreSchema.getBooleanSyntax;
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import static org.forgerock.opendj.ldap.schema.CoreSchema.getGeneralizedTimeSyntax;
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import static org.forgerock.opendj.ldap.schema.CoreSchema.getIntegerSyntax;
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import static org.forgerock.opendj.rest2ldap.Rest2ldapMessages.ERR_UNRECOGNIZED_JSON_VALUE;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Locale;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizedIllegalArgumentException;
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import org.forgerock.json.JsonValue;
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import org.forgerock.json.JsonValueException;
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import org.forgerock.json.resource.BadRequestException;
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import org.forgerock.json.resource.NotSupportedException;
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import org.forgerock.opendj.ldap.Attribute;
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import org.forgerock.opendj.ldap.AttributeDescription;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.opendj.ldap.Filter;
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import org.forgerock.opendj.ldap.GeneralizedTime;
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import org.forgerock.opendj.ldap.LinkedAttribute;
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import org.forgerock.opendj.ldap.schema.Syntax;
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import org.forgerock.util.Function;
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import org.forgerock.util.promise.NeverThrowsException;
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/**
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* Internal utility methods.
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*/
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final class Utils {
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private static final Function<Object, ByteString, NeverThrowsException> BASE64_TO_BYTESTRING =
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new Function<Object, ByteString, NeverThrowsException>() {
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@Override
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public ByteString apply(final Object value) {
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return ByteString.valueOfBase64(String.valueOf(value));
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}
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};
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private static final Function<ByteString, String, NeverThrowsException> BYTESTRING_TO_BASE64 =
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new Function<ByteString, String, NeverThrowsException>() {
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@Override
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public String apply(final ByteString value) {
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return value.toBase64String();
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}
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};
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static Function<Object, ByteString, NeverThrowsException> base64ToByteString() {
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return BASE64_TO_BYTESTRING;
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}
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static Function<ByteString, String, NeverThrowsException> byteStringToBase64() {
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return BYTESTRING_TO_BASE64;
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}
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static Function<ByteString, Object, NeverThrowsException> byteStringToJson(final AttributeDescription ad) {
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return new Function<ByteString, Object, NeverThrowsException>() {
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@Override
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public Object apply(final ByteString value) {
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final Syntax syntax = ad.getAttributeType().getSyntax();
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if (syntax.equals(getBooleanSyntax())) {
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return byteStringToBoolean().apply(value);
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} else if (syntax.equals(getIntegerSyntax())) {
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return byteStringToLong().apply(value);
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} else if (syntax.equals(getGeneralizedTimeSyntax())) {
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return printDateTime(byteStringToGeneralizedTime().apply(value)
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.toCalendar());
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} else {
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return byteStringToString().apply(value);
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}
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}
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};
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}
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private static boolean isJsonPrimitive(final Object value) {
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return value instanceof String || value instanceof Boolean || value instanceof Number;
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}
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static boolean isNullOrEmpty(final JsonValue v) {
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return v == null || v.isNull() || (v.isList() && v.size() == 0);
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}
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static Attribute jsonToAttribute(final Object value, final AttributeDescription ad,
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final Function<Object, ByteString, NeverThrowsException> f) {
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if (isJsonPrimitive(value)) {
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return new LinkedAttribute(ad, f.apply(value));
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} else if (value instanceof Collection<?>) {
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final Attribute a = new LinkedAttribute(ad);
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for (final Object o : (Collection<?>) value) {
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a.add(f.apply(o));
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}
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return a;
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} else {
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throw new LocalizedIllegalArgumentException(ERR_UNRECOGNIZED_JSON_VALUE.get(value.getClass().getName()));
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}
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}
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static Function<Object, ByteString, NeverThrowsException> jsonToByteString(final AttributeDescription ad) {
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return new Function<Object, ByteString, NeverThrowsException>() {
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@Override
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public ByteString apply(final Object value) {
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if (isJsonPrimitive(value)) {
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final Syntax syntax = ad.getAttributeType().getSyntax();
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if (syntax.equals(getGeneralizedTimeSyntax())) {
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return ByteString.valueOfObject(GeneralizedTime.valueOf(parseDateTime(value.toString())));
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} else {
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return ByteString.valueOfObject(value);
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}
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} else {
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throw new LocalizedIllegalArgumentException(ERR_UNRECOGNIZED_JSON_VALUE.get(value.getClass()
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.getName()));
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}
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}
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};
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}
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static Filter toFilter(final boolean value) {
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return value ? Filter.alwaysTrue() : Filter.alwaysFalse();
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}
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static Filter toFilter(final FilterType type, final String ldapAttribute, final ByteString valueAssertion) {
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switch (type) {
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case CONTAINS:
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return Filter.substrings(ldapAttribute, null, Collections.singleton(valueAssertion), null);
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case STARTS_WITH:
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return Filter.substrings(ldapAttribute, valueAssertion, null, null);
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case EQUAL_TO:
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return Filter.equality(ldapAttribute, valueAssertion);
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case GREATER_THAN:
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return Filter.greaterThan(ldapAttribute, valueAssertion);
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case GREATER_THAN_OR_EQUAL_TO:
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return Filter.greaterOrEqual(ldapAttribute, valueAssertion);
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case LESS_THAN:
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return Filter.lessThan(ldapAttribute, valueAssertion);
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case LESS_THAN_OR_EQUAL_TO:
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return Filter.lessOrEqual(ldapAttribute, valueAssertion);
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case PRESENT:
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return Filter.present(ldapAttribute);
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case EXTENDED:
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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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static String toLowerCase(final String s) {
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return s != null ? s.toLowerCase(Locale.ENGLISH) : null;
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}
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static NotSupportedException newNotSupportedException(final LocalizableMessage message) {
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return new NotSupportedException(message.toString());
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}
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static JsonValueException newJsonValueException(final JsonValue value, final LocalizableMessage message) {
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return new JsonValueException(value, message.toString());
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}
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static BadRequestException newBadRequestException(final LocalizableMessage message) {
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return newBadRequestException(message, null);
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}
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static BadRequestException newBadRequestException(final LocalizableMessage message, final Throwable cause) {
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return new BadRequestException(message.toString(), cause);
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}
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/** Prevent instantiation. */
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private Utils() {
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// No implementation required.
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}
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}
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