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const express = require('express'); const bodyParser = require('body-parser'); const pdfP =require('pdf2json'); const app =express(); const crypto= require('crypto'); const multer=require('multer'); const {GridFsStorage} = require('multer-gridfs-storage'); const Grid = require('gridfs-stream'); const methodOverride = require('method-override'); const mongoose =require('mongoose') const fs =require('fs') const getStream =require('get-stream') app.use(bodyParser.json()); app.use(bodyParser.raw()) app.use(bodyParser.urlencoded({ extended: true })); app.use(methodOverride('_method')); const path =require('path'); //const db= require("./db"); //const fs= require('fs'); const pdfParse= require("pdf-parse"); const user =require("./models/user"); const uri= 'mongodb+srv://user:dbUser@cluster0.um1b0.mongodb.net/lib?retryWrites=true&w=majority' let gfs; mongoose.connect(uri,{ useNewUrlParser: true, useUnifiedTopology: true, }).then(()=> console.log('db is connected')).catch((err)=> console.error('Error')); const a=mongoose.connection; a.once('open',()=>{ gfs=Grid(a.db,mongoose.mongo); gfs.collection('uploads'); }); const storage = new GridFsStorage({ url:uri, } ) const upload=multer({dest:"models/files"}); let files,m,t,name //Display all files /*app.use('/files',(req,res,next)=>{ gfs.files.find().toArray((err,files)=>{ m=JSON.stringify(files) t=JSON.parse(m) console.log(m) res.json(t) })*/ //const pdffile= fs.readFileSync("C:/Users/Ervisa/Desktop/yazlab/proje2_Sudoku/sudokurapor.pdf"); app.get('/',(req,res)=>{ res.sendFile(path.join(__dirname,'index.html')); }); app.get('/register',(req,res)=>{ res.sendFile(path.join(__dirname,'pass.html')); }); app.get('/user',(req,res)=>{ res.sendFile(path.join(__dirname,'user.html')); }); app.get('/admin',(req,res)=>{ res.sendFile(path.join(__dirname,'admin.html')); }); app.post("/user",upload.single('file'),(req, res, next) => { pdfParse(req.file.path).then(function(data) { console.log(data.numpages) }) .catch(function(error){ console.log(err); }) }); app.post("/submit", (req, res, next) => { if(req.body.password==" "&& req.body.name==" "){ return res.status(500).json({ message:"Make sure there isn't any empty field" }); } else if(req.body.password==""|| req.body.name==""){ return res.status(500).json({ message:"Make sure there isn't any empty field" }); } else{ user.find({type:req.body.type ,name:req.body.name,pass:req.body.password}).exec() .then(user=> { if (user.length > 0 && req.body.type=='admin' ) { res.redirect('/admin') } else if (user.length > 0 && req.body.type=='user' ) { res.redirect('/user') } else { res.sendFile(path.join(__dirname,'msg.html')) }}) .catch(err => { console.log(err); res.status(500).json({ error: err });}); } }); app.post("/changepassword", (req, res, next) => { if(req.body.oldP==""|| req.body.username==""|| req.body.email==""||req.body.newP==""){ return res.status(500).json({ message:"Make sure there isn't any empty field" }); } else{ user.findOneAndUpdate({type:req.body.type,email:req.body.email,name:req.body.username,pass:req.body.oldP},{pass:req.body.newP}).exec() .then(doc=> {if(!doc){ return res.status(500).json({ message:"The information entered is not correct!", }); } return res.status(500).json({ message:"Password changed successfully!", }); }).catch(err => { console.log(err); res.status(500).json({ error: err });}); } }); app.listen(3000)
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