Nodejs

 

인프런 :  https://www.inflearn.com/course/web2-node-js-mysql#

 

생활 코딩 :  https://opentutorials.org/module/3560/21175

 

유튜브 목록 : https://www.youtube.com/playlist?list=PLuHgQVnccGMAicFFRh8vFFFtLLlNojWUh

 

소스 :  https://github.com/web-n/node.js-mysql

https://github.com/web-n/node.js-mysql/releases/tag/1

 

https://github.com/braverokmc79/Nodejs-MySQL

 

 

저자 관련 기능 구현

 

 

20. 저자 관리 기능의 구현

 

 

 

 

 

 

21. 저자 목록 보기 기능 구현

소스코드

변경사항 

main.js

 

  } else if (pathname === '/author') {
    author.home(request, response);

  }

 

lib/author.js

var template = require('./template.js');
var db = require("./db");


exports.home = function (request, response) {

    db.query("SELECT * FROM topic", function (error, topics) {

        db.query("SELECT * FROM author", function (error, authors) {
            var title = 'Author';
            var list = template.list(topics);
            var html = template.HTML(title, list,
                `
            ${template.authorTable(authors)}
            <style>
                table{border-collapse:collapse;}
                td{border:1px solid black;}
            </style>
            `,

                `<a href="/create">create</a>`
            );

            response.writeHead(200);
            response.end(html);
        });
    });


}

 

template.js

  authorTable(authors) {
    var tag = authors.map(author => (
      `<tr>
                    <td>${author.name}</td>
                    <td>${author.profile}</td>
                    <td>update</td>
                    <td>delete</td>
                </tr>`
    )).join("");

    return `<table> ${tag} </table>`;

  }

 

 

 

 

 

 

 

 

 

 

22. 저자 생성 기능 구현

 

 

소스코드

변경사항 

 

main.js

  } else if (pathname === '/author') {
    author.home(request, response);

  } else if (pathname === '/author/create_process') {
    author.create_process(request, response);

  } 

 

 

/lib/author.js

exports.create_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`INSERT INTO author(name, profile)  VALUES(?, ?)`,
            [post.name, post.profile], function (error, result) {
                if (error) throw error;
                response.writeHead(302, { Location: `/? id = ${result.insertId} ` });
                response.end();
            });
    });
}

 

 

 

 

 

23. 저자 수정 기능 구현 -1

 

소스코드

변경사항  

 

main.js

  } else if (pathname === '/author/update') {
    author.update(request, response);

  } else {

 

 

author

exports.update = function (request, response) {

    var _url = request.url;
    var queryData = url.parse(_url, true).query;
    db.query("SELECT * FROM topic", function (error, topics) {

        db.query("SELECT * FROM author", function (error, authors) {

            db.query("SELECT * FROM author WHERE id=?", [queryData.id], function (error2, author) {

                var title = 'Author';
                var list = template.list(topics);
                var html = template.HTML(title, list,
                    `
            ${template.authorTable(authors)}
            <style>
                table{border-collapse:collapse;}
                td{border:1px solid black;}
            </style>
                <h3>업데이트</h3>
              <form action="/author/create_process" method="post">
                <p>
                    <input type="hidden" name="id" value="${queryData.id}" />                    
                </p>
                <p>
                    <input type="text" name="name" value="${author[0].name}"     placeholder="name">
                </p>
                <p>
                   <textarea name="profile" placeholder="description" >${author[0].profile}</textarea>
                </p>
                <p>
                   <input type="submit">
                </p>
              </form>                  
                `,
                    ''
                );

                response.writeHead(200);
                response.end(html);
            });

        });
    });


}

 

 

 

 

 

 

24. 저자 수정 기능 구현 -2

 

소스코드

변경사항

 

lib/author.js

exports.update_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`UPDATE author SET name =?, profile =? WHERE id=?`,
            [post.name, post.profile, post.id], function (error, result) {
                if (error) throw error;
                response.writeHead(302, { Location: `/author` });
                response.end();
            });
    });
}

 

 

 

 

 

 

 

 

 

 

25. 저자 삭제 기능 구현

 

 

lib/template.js

~
 authorTable(authors) {
    var tag = authors.map(author => (
      `<tr>
                    <td>${author.name}</td>
                    <td>${author.profile}</td>
                    <td><a href="/author/update?id=${author.id}">update</a></td>
                    <td>
                      <form action="/author/delete_process" method="post">
                          <input type="hidden" name="id" value="${author.id}" >
                          <input type="submit"  value="delete" >
                      </form>
                    </td>
                </tr>`
    )).join("");

    return `<table> ${tag} </table>`;

  }
~

 

 

main.js

  } else if (pathname === '/author/delete_process') {
    author.delete_process(request, response);

  }

 

 

 

lib/author.js

exports.delete_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`DELETE FROM topic WHERE author_id=?`, [post.id], function (error, result) {
            if (error) throw error;

            db.query(`DELETE FROM author  WHERE id=?`, [post.id], function (error2, result) {
                if (error2) throw error;
                response.writeHead(302, { Location: `/author` });
                response.end();
            });

        });

    });
}

 

 

 

 

 

 

 

보안

 

 

26. SQL Injection 1

 

 

 

 

 

 

 

 

 

27. SQL Injection 2

 

 

 

 

 

 

28. Escaping

 

소스코드

 

lib/topic.js

var url = require('url');
var qs = require('querystring');
var template = require('./template.js');
var db = require("./db");
var sanitizeHTML = require("sanitize-html");

exports.home = function (request, response) {

    db.query("SELECT * FROM topic", function (error, topics) {
        var title = 'Welcome';
        var description = 'Hello, Node.js';
        var list = template.list(topics);
        var html = template.HTML(title, list,
            `<h2>${title}</h2>${description}`,
            `<a href="/create">create</a>`
        );

        response.writeHead(200);
        response.end(html);
    });

}


exports.page = function (request, response) {

    var _url = request.url;
    var queryData = url.parse(_url, true).query;

    db.query("SELECT * FROM topic", function (error, topics) {
        if (error) throw error;

        db.query(`SELECT * FROM topic LEFT JOIN author  ON topic.author_id=author.id  WHERE topic.id=?`, [queryData.id], function (error2, topic) {
            if (error2) throw error2;

            console.log("topic : ", topic);

            var title = topic[0].title;
            var description = topic[0].description;
            var list = template.list(topics);

            var html = template.HTML(title, list,
                `<h2>${title}</h2>
            ${description}
            <p>by ${topic[0].name}</p>
            `,
                ` <a href="/create">create</a>
                <a href="/update?id=${queryData.id}">update</a>
                <form action="delete_process" method="post">
                  <input type="hidden" name="id" value="${queryData.id}">
                  <input type="submit" value="delete">
                </form>`

            );

            response.writeHead(200);
            response.end(html);
        });


    });
}



exports.create = function (request, response) {

    db.query("SELECT * FROM topic ", function (error, topics) {
        db.query("SELECT * FROM author ", function (error2, authors) {

            var title = 'create';
            var list = template.list(topics);
            var html = template.HTML(title, list, `
        <form action = "/create_process" method = "post" >
            <p><input type="text" name="title" placeholder="title"></p>
            <p>
              <textarea name="description" placeholder="description"></textarea>
            </p>
            <p>
             ${template.authorSelect(authors)}
            </p>
            <p>
              <input type="submit">
            </p>
          </form >
  `, '');
            response.writeHead(200);
            response.end(html);

        });

    });
}


exports.create_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`INSERT INTO topic(title, description, created, author_id)  VALUES(?, ?, NOW(), ?)`,
            [sanitizeHTML(post.title), sanitizeHTML(post.description), sanitizeHTML(post.author)], function (error, result) {
                if (error) throw error;  //등록 처리된 아이디 값 가져오기 insertId
                response.writeHead(302, { Location: `/? id = ${result.insertId} ` });
                response.end();

            });
    });
}

exports.update = function (request, response) {
    var _url = request.url;
    var queryData = url.parse(_url, true).query;
    db.query("select * from topic", function (erro, topics) {
        if (erro) throw erro;

        db.query(`SELECT * FROM topic WHERE id =? `, [queryData.id], function (error2, topic) {
            db.query("SELECT * FROM author ", function (error2, authors) {
                if (error2) throw error2;
                var list = template.list(topics);
                var html = template.HTML(topic[0].title, list,
                    `
        <form action = "/update_process" method = "post" >
          <input type="hidden" name="id" value="${topic[0].id}">
            <p><input type="text" name="title" placeholder="title" value="${topic[0].title}"></p>
            <p>
              <textarea name="description" placeholder="description">${topic[0].description}</textarea>
            </p>
           <p>
             ${template.authorSelect(authors, topic[0].author_id)}
            </p>
            <p>
              <input type="submit">
            </p>
          </form>
      `,
                    `<a href = "/create" > create</a > <a href="/update?id=${topic[0].id}">update</a>`
                );
                response.writeHead(200);
                response.end(html);
            });
        });

    });
}


exports.update_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });
    request.on('end', function () {
        var post = qs.parse(body);


        db.query(`UPDATE topic SET title =?, description =?, author_id =? WHERE id =? `,
            [sanitizeHTML(post.title), sanitizeHTML(post.description), sanitizeHTML(post.author), post.id], function (error, result) {
                if (error) throw error;
                response.writeHead(302, { Location: `/? id = ${post.id} ` });
                response.end();
            });



    });
}

exports.delete_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });
    request.on('end', function () {
        var post = qs.parse(body);
        db.query("delete from topic where id=?", [post.id], function (error, result) {
            if (error) throw error;
            response.writeHead(302, { Location: `/ ` });
            response.end();
        });

    });
}

 

 

 

 

lib/author.js

var url = require('url');
var qs = require('querystring');
var template = require('./template.js');
var db = require("./db");
var sanitizeHTML = require("sanitize-html");

exports.home = function (request, response) {

    db.query("SELECT * FROM topic", function (error, topics) {

        db.query("SELECT * FROM author", function (error, authors) {
            var title = 'Author';
            var list = template.list(topics);
            var html = template.HTML(title, list,
                `
            ${template.authorTable(authors)}
            <style>
                table{border-collapse:collapse;}
                td{border:1px solid black;}
            </style>
            
              <form action="/author/create_process" method="post">
                 <p>
                    <input type="text" name="name" placeholder="name">
                </p>
                <p>
                    <textarea name="profile" placeholder="description" ></textarea>
                </p>
                 <p>
                    <input type="submit">
                 </p>
              </form>                  
                `,
                ''
            );

            response.writeHead(200);
            response.end(html);
        });
    });


}


exports.create_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`INSERT INTO author(name, profile)  VALUES(?, ?)`,
            [sanitizeHTML(post.name), sanitizeHTML(post.profile)], function (error, result) {
                if (error) throw error;
                response.writeHead(302, { Location: `/author` });
                response.end();
            });
    });
}



exports.update = function (request, response) {

    var _url = request.url;
    var queryData = url.parse(_url, true).query;
    db.query("SELECT * FROM topic", function (error, topics) {

        db.query("SELECT * FROM author", function (error, authors) {

            db.query("SELECT * FROM author WHERE id=?", [queryData.id], function (error2, author) {

                var title = 'Author';
                var list = template.list(topics);
                var html = template.HTML(title, list,
                    `
            ${template.authorTable(authors)}
            <style>
                table{border-collapse:collapse;}
                td{border:1px solid black;}
            </style>
                <h3>업데이트</h3>
              <form action="/author/update_process" method="post">
                <p>
                    <input type="hidden" name="id" value="${queryData.id}" />                    
                </p>
                <p>
                    <input type="text" name="name" value="${author[0].name}"     placeholder="name">
                </p>
                <p>
                   <textarea name="profile" placeholder="description" >${author[0].profile}</textarea>
                </p>
                <p>
                   <input type="submit">
                </p>
              </form>                  
                `,
                    ''
                );

                response.writeHead(200);
                response.end(html);
            });

        });
    });

}



exports.update_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`UPDATE author SET name =?, profile =? WHERE id=?`,
            [sanitizeHTML(post.name), sanitizeHTML(post.profile), post.id], function (error, result) {
                if (error) throw error;
                response.writeHead(302, { Location: `/author` });
                response.end();
            });
    });
}



exports.delete_process = function (request, response) {
    var body = '';
    request.on('data', function (data) {
        body = body + data;
    });

    request.on('end', function () {
        var post = qs.parse(body);
        db.query(`DELETE FROM topic WHERE author_id=?`, [post.id], function (error, result) {
            if (error) throw error;

            db.query(`DELETE FROM author  WHERE id=?`, [post.id], function (error2, result) {
                if (error2) throw error;
                response.writeHead(302, { Location: `/author` });
                response.end();
            });

        });

    });
}


 

 

 

 

 

 

29. 수업을 마치며

 

 

 

 

 

 

 

 

 

 

nodejs

 

about author

PHRASE

Level 60  라이트

비록 아무리 어리석은 사람도 남의 허물을 책망하는 것은 밝고, 아무리 총명이 있다 하여도 자기를 용서하면 사리에 어두워진다. 너희들은 마땅히 남을 책하는 마음으로 자기를 책하고, 자기를 용서하는 마음으로 남을 용서한다면, 성현의 경지에 이르지 못할 것을 근심할 것이 없다. -범충선공

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