質問編集履歴
3
文章の変更
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@@ -6,148 +6,18 @@
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``` JavaScript
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const express = require('express');
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const router = express.Router();
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-
const Post = require('./db/db');
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// add article (./views/new.ejs)
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router.get('/new', function (req, res) {
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res.render('new', {
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title: 'Add article',
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reqCsrf: req.csrfToken(),
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errors: req.flash('errors').shift()
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})
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});
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router.post('/create', function (req) {
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const post = new Post();
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post.title = req.body.title;
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post.content = req.body.content;
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post.save(function (err) {
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if(err){ // if there's error
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req.flash('errors', err.errors);
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req.redirect('/new');
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} else { // if not error
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req.redirect('/');
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}
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})
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});
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```
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app.js
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```Javascript
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require('./db/db');
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const createError = require('http-errors');
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const express = require('express');
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const path = require('path');
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const cookieParser = require('cookie-parser');
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const logger = require('morgan');
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const session = require('express-session');
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const csurf = require('csurf');
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const mongoose = require('mongoose');
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const flash = require('connect-flash');
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const methodOverride = require('method-override');
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const bodyParser = require('body-parser');
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const MongoStore = require('connect-mongo')(session);
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const indexRouter = require('./routes/index');
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const usersRouter = require('./routes/users');
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const postRouter = require('./routes/post');
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const app = express();
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const mongoURL = 'mongodb://local';
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mongoose.connect(mongoURL, function (err) {
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if(err){
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console.error('mongoDB: error');
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}else{
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console.log('Success connect);
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}
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});
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app.use(methodOverride(function(req, res){
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if( req.body && typeof req.body === 'object' && '_method' in req.body ){
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const method = req.body._method;
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delete req.body._method;
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return method;
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}
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}));
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app.use(session({
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secret: 'a',
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resave: false,
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saveUninitialized: false,
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store: new MongoStore({
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mongooseConnection: mongoose.connection
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}),
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cookie: {
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httpOnly: false,
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secure: true,
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maxage: 1000 * 60 * 30 // 30 minutes
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}
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}));
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app.use(csurf());
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app.use(flash());
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// view engine setup
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app.set('views', path.join(__dirname, 'views'));
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app.set('view engine', 'ejs');
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app.use(logger('dev'));
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app.use(express.json());
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app.use(bodyParser.json());
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app.use(express.urlencoded({ extended: false }));
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app.use(bodyParser.urlencoded({ extended: false }));
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app.use(cookieParser());
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app.use(express.static(path.join(__dirname, 'public')));
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app.use('/', indexRouter);
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app.use('/users', usersRouter);
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app.use('/post', postRouter);
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app.listen(process.env.PORT || 8000);
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// catch 404 and forward to error handler
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app.use(function(req, res, next) {
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next(createError(404));
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});
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// error handler
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app.use(function(err, req, res, next) {
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// set locals, only providing error in development
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res.locals.message = err.message;
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res.locals.error = req.app.get('env') === 'development' ? err : {};
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// render the error page
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res.status(err.status || 500);
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res.render('error');
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});
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module.exports = app;
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```
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-
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new.ejs
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```HTML
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<form action="/create" method="post">
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<input type="hidden" name="_csrf" value="<%= reqCsrf %>">
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<p>
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<input type="text" name="title" value="" size="60">
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<% if( errors && errors.title ){ %>
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<strong><%= errors.title.message %></strong>
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<% } %>
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</p>
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<p><textarea name="contents" cols="60" rows="12"></textarea></p>
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<p><button type="submit">Create</button></p>
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</form>
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<p><a href="/">back to list</a></p>
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```
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```
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ERROR
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153
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invalid csrf token
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2
コードを追加しました。
title
CHANGED
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File without changes
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body
CHANGED
|
@@ -31,6 +31,7 @@
|
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31
31
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})
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32
32
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});
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33
33
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```
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34
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+
app.js
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34
35
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```Javascript
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35
36
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require('./db/db');
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36
37
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1
コードを追加しました。
title
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File without changes
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body
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@@ -1,7 +1,7 @@
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1
1
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JavaScriptとExpressで'invalid csrf token'がでます。
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2
2
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実際はPostできるはずなのですが'invalid csrf token'のエラーが出てうまくPostできません。
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3
3
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[このサイトを参考にしました](http://webdesign-dackel.com/2015/09/29/vagrant-node-express4-mongodb/)
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[GitHUb CSRUF](https://github.com/expressjs/csurf)
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5
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index.js
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6
6
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``` JavaScript
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7
7
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const express = require('express');
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@@ -31,6 +31,105 @@
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31
31
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})
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32
32
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});
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33
33
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```
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34
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```Javascript
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35
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require('./db/db');
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36
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+
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37
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+
const createError = require('http-errors');
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38
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const express = require('express');
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39
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const path = require('path');
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40
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const cookieParser = require('cookie-parser');
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41
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const logger = require('morgan');
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42
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+
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43
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const session = require('express-session');
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44
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const csurf = require('csurf');
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45
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const mongoose = require('mongoose');
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46
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const flash = require('connect-flash');
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47
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const methodOverride = require('method-override');
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48
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const bodyParser = require('body-parser');
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49
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const MongoStore = require('connect-mongo')(session);
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50
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+
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51
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+
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52
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const indexRouter = require('./routes/index');
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53
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const usersRouter = require('./routes/users');
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54
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const postRouter = require('./routes/post');
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55
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+
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56
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const app = express();
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57
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58
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59
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const mongoURL = 'mongodb://local';
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mongoose.connect(mongoURL, function (err) {
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if(err){
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console.error('mongoDB: error');
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63
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}else{
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64
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console.log('Success connect);
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65
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}
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66
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});
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67
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app.use(methodOverride(function(req, res){
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if( req.body && typeof req.body === 'object' && '_method' in req.body ){
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const method = req.body._method;
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delete req.body._method;
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return method;
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73
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}
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}));
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app.use(session({
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secret: 'a',
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resave: false,
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saveUninitialized: false,
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80
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store: new MongoStore({
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81
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mongooseConnection: mongoose.connection
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82
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}),
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83
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cookie: {
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84
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httpOnly: false,
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85
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secure: true,
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86
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maxage: 1000 * 60 * 30 // 30 minutes
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87
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}
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88
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}));
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89
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app.use(csurf());
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90
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app.use(flash());
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91
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92
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+
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93
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+
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94
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// view engine setup
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95
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app.set('views', path.join(__dirname, 'views'));
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96
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+
app.set('view engine', 'ejs');
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97
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+
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98
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app.use(logger('dev'));
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99
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app.use(express.json());
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100
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app.use(bodyParser.json());
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101
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app.use(express.urlencoded({ extended: false }));
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102
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app.use(bodyParser.urlencoded({ extended: false }));
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103
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app.use(cookieParser());
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104
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app.use(express.static(path.join(__dirname, 'public')));
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105
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106
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+
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107
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108
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app.use('/', indexRouter);
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109
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app.use('/users', usersRouter);
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110
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app.use('/post', postRouter);
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111
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app.listen(process.env.PORT || 8000);
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112
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+
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113
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+
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114
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// catch 404 and forward to error handler
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115
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app.use(function(req, res, next) {
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116
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next(createError(404));
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117
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});
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118
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119
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// error handler
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120
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app.use(function(err, req, res, next) {
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121
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// set locals, only providing error in development
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122
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res.locals.message = err.message;
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123
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+
res.locals.error = req.app.get('env') === 'development' ? err : {};
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124
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+
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125
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// render the error page
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126
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res.status(err.status || 500);
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127
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res.render('error');
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128
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});
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129
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130
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module.exports = app;
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131
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```
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132
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+
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34
133
|
new.ejs
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35
134
|
```HTML
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|
36
135
|
<form action="/create" method="post">
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