food_recommend_chatbot_app.js file

+//http://khuhub.khu.ac.kr/2021105602/menu_recommand_webpage.git
+var express = require('express');
+const request = require('request');
+const TARGET_URL = 'https://api.line.me/v2/bot/message/reply'
+const TOKEN = '채널 토큰'
+const PAPAGO_URL = 'https://openapi.naver.com/v1/papago/n2mt'
+const PAPAGO_ID = '파파고 ID'
+const PAPAGO_SECRET = '파파고 Client Secret'
+const fs = require('fs');
+const path = require('path');
+const HTTPS = require('https');
+const domain = "도메인 명"
+const sslport = 23023;
+const bodyParser = require('body-parser');
+var app = express();
+app.use(bodyParser.json());
+app.post('/hook', function (req, res) {
+    var eventObj = req.body.events[0];
+    var source = eventObj.source;
+    var message = eventObj.message;
+    // request log
+    console.log('======================', new Date() ,'======================');
+    console.log('[request]', req.body);
+    console.log('[request source] ', eventObj.source);
+    console.log('[request message]', eventObj.message);
+    trans(eventObj.replyToken, eventObj.message.text);
+    
+    res.sendStatus(200);
+});
+function trans(replyToken, message) {
+    request.post(
+        {
+            url: PAPAGO_URL,
+            headers: {
+                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
+                'X-Naver-Client-Id': `${PAPAGO_ID}`,
+                'X-Naver-Client-Secret': `${PAPAGO_SECRET}`
+            },
+            body: 'source=ko&target=en&text=' + message,
+            json:true
+        },(error, response, body) => {
+            if(!error && response.statusCode == 200) {
+                console.log(body.message);
+                var transMessage = body.message.result.translatedText;
+                request.post(
+                    {
+                        url: TARGET_URL,
+                        headers: {
+                            'Authorization': `Bearer ${TOKEN}`
+                        },
+                        json: {
+                            "replyToken":replyToken,
+                            "messages":[
+                                {
+                                    "type":"text",
+                                    "text":transMessage
+                                }
+                            ]
+                        }
+                    },(error, response, body) => {
+                        console.log(body)
+                    });
+            }
+        });
+}
+try {
+    const option = {
+      ca: fs.readFileSync('/etc/letsencrypt/live/' + domain +'/fullchain.pem'),
+      key: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/privkey.pem'), 'utf8').toString(),
+      cert: fs.readFileSync(path.resolve(process.cwd(), '/etc/letsencrypt/live/' + domain +'/cert.pem'), 'utf8').toString(),
+    };
+  
+    HTTPS.createServer(option, app).listen(sslport, () => {
+      console.log(`[HTTPS] Server is started on port ${sslport}`);
+    });
+  } catch (error) {
+    console.log('[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다.');
+    console.log(error);
+  }
+  
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