server copy.js

const express = require("express");
const request = require("request");
const adminRouter = require("./routes/admin");
const commentsRouter = require("./routes/comments");
const methodOverride = require("method-override");
const http = require("http");
const crypto = require("crypto");
const expressSession = require("express-session");


//model
const Users = require("./models/users");
const Hospitals = require("./models/hospitals");

const app = express();
const port = process.env.PORT || 3001;
app.use(express.urlencoded({ extended: false })); // enable to use req.body.(input field)
app.use(expressSession({
    secret: "secretKey",
    resave: true,
    saveUninitialized: true
}));
var bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());

// views engine (convert ejs code to HTML)
//app.set("views", __dirname + "/views");
//app.set("view engine", "ejs");
app.use(methodOverride('_method'));
//app.engine("html", require("ejs").renderFile);

// other routes
app.use("/admin", adminRouter);
app.use("/comments", commentsRouter);



// routes
app.get("/newapi", async (req, res) => {
    const inputAddr = req.query.inputAddr;
    const inputType = req.query.inputType;
    const inputFilter = req.query.inputFilter;

    if (typeof inputAddr == "undefined" || typeof inputType == "undefined" || typeof inputFilter == "undefined") {
        res.render("index", { results: "" });
    } else {
        console.log(`입력 주소: ${inputAddr}`);
        console.log(`병원종류: ${inputType}, 필터: ${inputFilter}`);
        
        let searchAddr;
        if (inputAddr.includes("서울")) {
            let listAddr = inputAddr.split(" ");
            let road = listAddr[2].substr(0, listAddr[2].indexOf("로") + 1);
            searchAddr = `${listAddr[0]}특별시 ${listAddr[1]} ${road}`;
        } else if (inputAddr.includes("인천")  || inputAddr.includes("부산") || inputAddr.includes("울산") || inputAddr.includes("대구") || inputAddr.includes("광주") || inputAddr.includes("대전")) {
            let listAddr = inputAddr.split(" ");
            searchAddr = `${listAddr[0]}광역시 ${listAddr[1]} ${listAddr[2]}`;
        } else {
            let listAddr = inputAddr.split(" ");
            let road = listAddr[3].substr(0, listAddr[3].indexOf("로") + 1);
            searchAddr = `${listAddr[0]}도 ${listAddr[1]} ${listAddr[2]} ${road}`;
        }
        
        let conditions;
        if (inputFilter == "all") {
            if (inputType == "외과") {
                conditions = {
                    $and : [
                        {name : {$regex : "외과"}},
                        {name : {$not : {$regex : "정형"}}},
                        {name : {$not : {$regex : "치과"}}}
                    ],
                    addr: {$regex: searchAddr}
                }
            } else {
                conditions = {
                    name: {$regex: inputType},
                    addr: {$regex: searchAddr}
                }
            }
        }
        
        else if (inputFilter == "infant") {
            if (inputType == "외과") {
                conditions = {
                    addr: {$regex: searchAddr},
                    $and : [
                        {name : {$regex : "외과"}},
                        {name : {$not : {$regex : "정형"}}},
                        {name : {$not : {$regex : "치과"}}},
                        {name: {$regex: "소아"}}
                    ]
                }
            } else {
                conditions = {
                    $and : [
                        {name : {$regex : inputType}},
                        {name : {$regex : "소아"}}
                    ],
                    addr: {$regex: searchAddr}
                }
            }
        }
        console.log(JSON.stringify(conditions));
        let results = await Hospitals.find(conditions).limit(20);
        // Send index.ejs data
        res.send(results);
    }
});


//회원가입 로그인
app.post("/process/:type", async(req, res) => {
    const type = req.params.type;
    console.log(type)
    console.log(req.body.createPassword)
    console.log(req.body.createId)
    console.log(req.body.inputId)
    console.log(req.body.inputPassword)

    if (type == "signup") {
        try {
            const salt = crypto.randomBytes(64).toString("base64");
            const hashed_password = crypto.pbkdf2Sync(req.body.createPassword, salt, 190481, 64, "sha512").toString("base64");

            let user = new Users();
            user.user_id = req.body.createId;
            user.user_salt = salt;
            user.user_hashedPassword = hashed_password;
            user = await user.save();
            res.send({text: "회원가입 성공"});
        } catch (error) {
            if (error.code === 11000) {
                res.send({text: "이미 존재하는 아이디입니다."});
            } else {
                res.send({text: "회원가입에 문제가 발생했습니다. 관리자에게 문의하세요."});
                console.log("*** DB 저장 문제: " + error);
            }
        }
    } else if (type == "login") {
        const results = await Users.findOne({ user_id: req.body.inputId });

        if (results != null) {
            const computed_password = crypto.pbkdf2Sync(req.body.inputPassword, results["user_salt"], 190481, 64, "sha512").toString("base64");
            if (computed_password == results['user_hashedPassword']) {
                if (results["is_admin"]) {
                    req.session.admin = {
                        id: results["_id"],
                        name: req.body.inputId,
                        authorized: true
                    };
                } else {
                    req.session.user = {
                        id: results["_id"],
                        name: req.body.inputId,
                        authorized: true
                    };
                }
                res.send({text: "로그인 성공"});
            }
        } else {
            res.send({text: "일치하는 회원 정보가 없습니다."});
        }
    } else if (type == "logout") {
        req.session.destroy((error) => { res.send({text: "로그아웃"}); });
    } else if (type == "change-password") {
        const user = await Users.findOne({ user_id: req.body.input_id });
        if (user != null) {
            const computed_password = crypto.pbkdf2Sync(req.body.old_password, user["user_salt"], 190481, 64, "sha512").toString("base64");
            if (computed_password === user["user_hashedPassword"]) {
                const salt = crypto.randomBytes(64).toString("base64");
                const hashed_password = crypto.pbkdf2Sync(req.body.new_password, salt, 190481, 64, "sha512").toString("base64");

                await Users.findOneAndUpdate({ user_id: req.body.input_id }, { user_salt: salt, user_hashedPassword: hashed_password });
                res.redirect("/mypage");
            } else {
                res.send(`<script>alert("일치하는 회원 정보가 없습니다."); history.go(-1);</script>`);
            }
        } else {
            res.send(`<script>alert("일치하는 회원 정보가 없습니다."); history.go(-1);</script>`);
        }
    } else if (type == "report") {
        let report = new Reports();
        report.writer_id = req.body.writer_id;
        report.hospital_id = req.body.hospital_id;

        report = await report.save();
        res.send(`<script>alert("신고가 접수되었습니다. 관리자 확인 후 신고횟수에 반영됩니다."); history.go(-1);</script>`);
    }
});

app.get("/openapi", (req, res) => {
    // OpenAPI
    var url = 'http://apis.data.go.kr/B551182/hospInfoService1/getHospBasisList1';
    const myServiceKey = "JtIV8PCzx8%2BLWnp%2F07kxb%2FL4%2Fglq9W6WGZN2AQwOBG%2B9fIRQEA%2F12X%2F2ONTYaEFLDPxdBzqz1CWa6%2FRDwcMxRA%3D%3D";
    var queryParams = '?' + encodeURIComponent('serviceKey') + '=' + myServiceKey; /* Service Key*/
    queryParams += '&' + encodeURIComponent('sidoCd') + '=' + encodeURIComponent("110000");

    request({
        // 응답표준은 XML이며, JSON을 요청할 경우 “&_type=json”을 추가하여 요청합니다.
        url: url + queryParams + "&_type=json",
        method: "GET"
    }, (err, response, body) => {
        console.log(`Status: ${response.statusCode}`);
        parsed_body = JSON.parse(body);
        hospitals_list = parsed_body["response"]["body"]["items"]["item"];

        res_list = []
        hospitals_list.forEach((hospital, index) => {
            res_list.push({
                "인덱스": index,
                "emdongNm": hospital["emdongNm"],
                "병원명": hospital["yadmNm"],
                "주소": hospital["addr"],
                "종별코드명": hospital["clCdNm"],
                "전화번호": hospital["telno"],
                "의사총수": hospital["drTotCnt"],
                "좌표": [hospital["XPos"], hospital["YPos"]],
                "시도코드": hospital["sidoCd"],
                "시도명": hospital["sidoCdNm"]
            })
        });

        res.send(JSON.stringify(res_list, null, 4));
    }
    );
});

app.get("/checkUser", (req, res) => {
    if (req.session.admin || req.session.user) {
        res.send({user_id: req.session.user['name']});
    }
    else {
        res.send({user_id: null});
    }
})



// web server
const server = app.listen(port, () => {
    // port: 3000 app success
    console.log("localhost on port: " + port);
})