/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2015 ForgeRock AS
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*/
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package org.opends.server.protocols.http;
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import static org.forgerock.util.Utils.closeSilently;
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import static org.opends.server.util.StaticUtils.getFileForPath;
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import java.io.File;
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import java.io.FileReader;
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import org.forgerock.http.Handler;
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import org.forgerock.http.HttpApplication;
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import org.forgerock.http.HttpApplicationException;
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import org.forgerock.http.handler.Handlers;
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import org.forgerock.http.io.Buffer;
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import org.forgerock.http.protocol.Request;
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import org.forgerock.http.protocol.Response;
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import org.forgerock.http.util.Json;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.json.JsonValue;
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import org.forgerock.json.resource.CollectionResourceProvider;
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import org.forgerock.json.resource.RequestHandler;
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import org.forgerock.json.resource.Router;
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import org.forgerock.json.resource.http.CrestHttp;
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import org.forgerock.opendj.ldap.SearchScope;
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import org.forgerock.opendj.rest2ldap.AuthorizationPolicy;
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import org.forgerock.opendj.rest2ldap.Rest2LDAP;
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import org.forgerock.services.context.Context;
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import org.forgerock.util.Factory;
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import org.forgerock.util.promise.NeverThrowsException;
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import org.forgerock.util.promise.Promise;
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import org.opends.messages.ProtocolMessages;
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/** Main class of the HTTP Connection Handler web application */
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class LdapHttpApplication implements HttpApplication
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/** Http Handler which sets a connection to an OpenDJ server. */
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private static class LdapHttpHandler implements Handler
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{
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private final Handler delegate;
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/**
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* Build a new {@code LdapHttpHandler}.
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*
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* @param configuration
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* The configuration which will be used to set
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* the connection and the mappings to the OpenDJ server.
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*/
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public LdapHttpHandler(final JsonValue configuration)
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{
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delegate = CrestHttp.newHttpHandler(createRouter(configuration));
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}
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private RequestHandler createRouter(final JsonValue configuration)
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{
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final JsonValue mappings = configuration.get("servlet").get("mappings").required();
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final Router router = new Router();
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for (final String mappingUrl : mappings.keys()) {
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final JsonValue mapping = mappings.get(mappingUrl);
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final CollectionResourceProvider provider = Rest2LDAP.builder()
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.authorizationPolicy(AuthorizationPolicy.REUSE)
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.configureMapping(mapping)
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.build();
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router.addRoute(Router.uriTemplate(mappingUrl), provider);
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}
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return router;
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}
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@Override
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public final Promise<Response, NeverThrowsException> handle(final Context context, final Request request)
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{
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return delegate.handle(context, request);
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}
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}
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private HTTPConnectionHandler connectionHandler;
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private LdapHttpHandler handler;
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private CollectClientConnectionsFilter filter;
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LdapHttpApplication(HTTPConnectionHandler connectionHandler)
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{
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this.connectionHandler = connectionHandler;
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}
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@Override
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public Handler start() throws HttpApplicationException
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{
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try
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{
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final File configFile = getFileForPath(connectionHandler.getCurrentConfig().getConfigFile());
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final Object jsonElems = Json.readJsonLenient(new FileReader(configFile));
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final JsonValue configuration = new JsonValue(jsonElems).recordKeyAccesses();
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handler = new LdapHttpHandler(configuration);
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filter = new CollectClientConnectionsFilter(connectionHandler, getAuthenticationConfig(configuration));
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configuration.verifyAllKeysAccessed();
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return Handlers.chainOf(handler, filter);
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}
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catch (final Exception e)
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{
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final LocalizableMessage errorMsg = ProtocolMessages.ERR_INITIALIZE_HTTP_CONNECTION_HANDLER.get();
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logger.error(errorMsg, e);
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stop();
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throw new HttpApplicationException(errorMsg.toString(), e);
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}
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}
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private HTTPAuthenticationConfig getAuthenticationConfig(final JsonValue configuration)
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{
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final HTTPAuthenticationConfig result = new HTTPAuthenticationConfig();
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final JsonValue val = configuration.get("authenticationFilter");
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result.setBasicAuthenticationSupported(asBool(val, "supportHTTPBasicAuthentication"));
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result.setCustomHeadersAuthenticationSupported(asBool(val, "supportAltAuthentication"));
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result.setCustomHeaderUsername(val.get("altAuthenticationUsernameHeader").asString());
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result.setCustomHeaderPassword(val.get("altAuthenticationPasswordHeader").asString());
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final String searchBaseDN = asString(val, "searchBaseDN");
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result.setSearchBaseDN(org.forgerock.opendj.ldap.DN.valueOf(searchBaseDN));
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result.setSearchScope(SearchScope.valueOf(asString(val, "searchScope")));
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result.setSearchFilterTemplate(asString(val, "searchFilterTemplate"));
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return result;
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}
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private String asString(JsonValue value, String key)
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{
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return value.get(key).required().asString();
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}
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private boolean asBool(JsonValue value, String key)
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{
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return value.get(key).defaultTo(false).asBoolean();
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}
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@Override
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public Factory<Buffer> getBufferFactory()
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{
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return null;
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}
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@Override
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public void stop()
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{
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closeSilently(filter);
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handler = null;
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filter = null;
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}
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}
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