src/main/java/org/apache/pulsar/manager/controller/CsrfTokenController.java

/**
 * Licensed 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
 *
 *     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.apache.pulsar.manager.controller;

import io.swagger.annotations.Api;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.web.csrf.CsrfToken;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;

@RestController
@RequestMapping(value = "/pulsar-manager")
@Api(description = "Generate csrf token for per page.")
public class CsrfTokenController {

    @RequestMapping(value="/csrf-token", method= RequestMethod.GET)
    public ResponseEntity<String> getCsrfToken(HttpServletRequest request) {
        CsrfToken token = (CsrfToken)request.getAttribute(CsrfToken.class.getName());
        HttpHeaders headers = new HttpHeaders();
        headers.add("X-Csrf-Token", token.getToken());
        return new ResponseEntity<> (token.getToken(), headers, HttpStatus.OK);
    }

}