CAS 整合/v1/tickets/{TGT id} 与/serviceValidate ,生成ST时直接验证其合法性。

CAS 整合/v1/tickets/{TGT id} 与/serviceValidate ,生成ST时直接验证其合法性。

其目的是模拟客户端（C/S结构）调用服务器去验证TGT的合法性，省略调用/serviceValidate。

修改如下：

TicketGrantingTicketResource.java

成功后直接返回( true / false )

/* * Licensed to Jasig under one or more contributor license * agreements. See the NOTICE file distributed with this work * for additional information regarding copyright ownership. * Jasig licenses this file to you under the Apache License, * Version 2.0 (the "License"); you may not use this file * except in compliance with the License.  You may obtain a * copy of the License at the following location: * *   http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied.  See the License for the * specific language governing permissions and limitations * under the License. */package org.jasig.cas.integration.restlet;import javax.validation.constraints.NotNull;import org.jasig.cas.CentralAuthenticationService;import org.jasig.cas.authentication.principal.SimpleWebApplicationServiceImpl;import org.jasig.cas.ticket.InvalidTicketException;import org.jasig.cas.validation.Assertion;import org.jasig.cas.validation.Cas20ProtocolValidationSpecification;import org.jasig.cas.validation.ValidationSpecification;import org.jasig.cas.web.support.ArgumentExtractor;import org.restlet.Context;import org.restlet.Request;import org.restlet.Response;import org.restlet.data.Form;import org.restlet.data.MediaType;import org.restlet.data.Status;import org.restlet.representation.Representation;import org.restlet.representation.Variant;import org.restlet.resource.Delete;import org.restlet.resource.Post;import org.restlet.resource.ServerResource;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;/** * Implementation of a Restlet resource for creating Service Tickets from a * TicketGrantingTicket, as well as deleting a TicketGrantingTicket. * * @author Scott Battaglia * @since 3.3 * */public final class TicketGrantingTicketResource extends ServerResource {    private static final Logger LOGGER = LoggerFactory.getLogger(TicketGrantingTicketResource.class);    @Autowired    private CentralAuthenticationService centralAuthenticationService;    /** Extracts parameters from Request object. */    @NotNull    private ArgumentExtractor argumentExtractor;    @NotNull    private Class<?> validationSpecificationClass = Cas20ProtocolValidationSpecification.class;    private String ticketGrantingTicketId;    public void init(final Context context, final Request request, final Response response) {        super.init(context, request, response);        this.ticketGrantingTicketId = (String) request.getAttributes().get("ticketGrantingTicketId");        this.setNegotiated(false);        this.getVariants().add(new Variant(MediaType.APPLICATION_WWW_FORM));    }    @Delete    public void removeRepresentations() {        this.centralAuthenticationService.destroyTicketGrantingTicket(this.ticketGrantingTicketId);        getResponse().setStatus(Status.SUCCESS_OK);    }@Post    public void acceptRepresentation(final Representation entity) {        final Form form = new Form(entity);        final String serviceUrl = form.getFirstValue("service");        try {            final String serviceTicketId = this.centralAuthenticationService.grantServiceTicket(                    this.ticketGrantingTicketId,                    new SimpleWebApplicationServiceImpl(serviceUrl));            //Modify by lumz for validate Service Tickets 2016年4月6日15:09:41            String resultReturn = "false";            if (new SimpleWebApplicationServiceImpl(serviceUrl) == null || serviceTicketId == null) {            LOGGER.debug("Could not identify service and/or service ticket. Service: {}, Service ticket id: {}", new SimpleWebApplicationServiceImpl(serviceUrl), serviceTicketId);                return;            }            final Assertion assertion = centralAuthenticationService.validateServiceTicket(serviceTicketId, new SimpleWebApplicationServiceImpl(serviceUrl));            final ValidationSpecification validationSpecification = this.getCommandClass();            if (validationSpecification.isSatisfiedBy(assertion)) {            resultReturn = "ture";            }else{            resultReturn = "false";            }            getResponse().setEntity(resultReturn, MediaType.TEXT_PLAIN);//            getResponse().setEntity(serviceTicketId, MediaType.TEXT_PLAIN);        } catch (final InvalidTicketException e) {            getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND, "TicketGrantingTicket could not be found.");        } catch (final Exception e) {            LOGGER.error(e.getMessage(), e);            getResponse().setStatus(Status.CLIENT_ERROR_BAD_REQUEST, e.getMessage());        }    }    private ValidationSpecification getCommandClass() {        try {            return (ValidationSpecification) this.validationSpecificationClass.newInstance();        } catch (final Exception e) {            throw new RuntimeException(e);        }    }}