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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.server.api.webhooks;
import com.github.messenger4j.exception.MessengerVerificationException;
import com.juick.server.MessengerManager;
import com.juick.server.util.HttpForbiddenException;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import springfox.documentation.annotations.ApiIgnore;
import javax.inject.Inject;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
/**
* Created by vitalyster on 27.03.2017.
*/
@ApiIgnore
@RestController
public class MessengerWebhook {
private static Logger logger = LoggerFactory.getLogger(MessengerWebhook.class);
@Inject
private MessengerManager messengerManager;
@RequestMapping(value = "/fbwbhk", method = RequestMethod.GET)
public ResponseEntity<Integer> verifyHook(@RequestParam(name = "hub.mode") String hubMode,
@RequestParam(name = "hub.challenge") Integer hubChallenge,
@RequestParam(name = "hub.verify_token") String verifyToken) {
if (hubMode.equals("subscribe") && verifyToken.equals(messengerManager.getFacebookVerifyToken())) {
return new ResponseEntity<>(hubChallenge, HttpStatus.OK);
}
throw new HttpForbiddenException();
}
@RequestMapping(value = "/fbwbhk", method = RequestMethod.POST)
@ResponseStatus(value = HttpStatus.OK)
public void processUpdate(@RequestHeader(name = "X-Hub-Signature", required = false) String signature, InputStream body) throws IOException, MessengerVerificationException {
String data = IOUtils.toString(body, StandardCharsets.UTF_8);
messengerManager.processUpdate(signature, data);
}
}
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