refactoring code
This commit is contained in:
Abhinav Adduri
Danny Coates
parent
e3611ded17
commit
c539ed6282
@ -5,7 +5,7 @@
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"scripts": {
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"format": "prettier --single-quote --write 'public/*.js' 'app.js'",
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"test": "echo \"Error: no test specified\" && exit 1",
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"start": "node app.js"
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"start": "node server/portal_server.js"
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},
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"author": "",
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"license": "ISC",
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10
public/file.js
Normal file
10
public/file.js
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@ -0,0 +1,10 @@
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function ProgressEmitter(name, uuid, type) {
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this.name = name;
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this.uuid = uuid;
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this.type = type;
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this.link = null;
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this.emit = () => {
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};
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}
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@ -1,9 +1,9 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>Firefox Fileshare</title>
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<script src="upload.js"></script>
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<title>Firefox Fileshare</title>
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<script src="file.js"></script>
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<script src="upload.js"></script>
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</head>
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<body>
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184
public/upload.js
184
public/upload.js
@ -1,101 +1,105 @@
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function onChange(event) {
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var file = event.target.files[0];
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var reader = new FileReader();
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reader.readAsArrayBuffer(file);
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let random_iv = window.crypto.getRandomValues(new Uint8Array(16));
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var hex = ivToStr(random_iv);
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reader.onload = function(event) {
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let self = this;
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window.crypto.subtle
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.generateKey(
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{
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name: 'AES-CBC',
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length: 128
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},
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true,
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['encrypt', 'decrypt']
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)
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.then(function(key) {
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var arrayBuffer = self.result;
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var array = new Uint8Array(arrayBuffer);
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window.crypto.subtle.generateKey({
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name: "AES-CBC",
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length: 128
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},
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true,
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["encrypt", "decrypt"])
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.then((key) => {
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let arrayBuffer = self.result;
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let array = new Uint8Array(arrayBuffer);
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var random_iv = window.crypto.getRandomValues(new Uint8Array(16));
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window.crypto.subtle.encrypt({
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name: "AES-CBC",
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iv: random_iv },
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key,
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array)
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.then(uploadFile.bind(null, file, hex, key))
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.catch((err) => console.error(err));
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window.crypto.subtle
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.encrypt(
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{
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name: 'AES-CBC',
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iv: random_iv
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},
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key,
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array
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)
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.then(function(encrypted) {
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var dataView = new DataView(encrypted);
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var blob = new Blob([dataView], { type: file.type });
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var fd = new FormData();
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fd.append('fname', file.name);
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fd.append('data', blob, file.name);
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var xhr = new XMLHttpRequest();
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var hex = ivToStr(random_iv);
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xhr.open('post', '/upload/' + hex, true);
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var li = document.createElement('li');
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var name = document.createElement('p');
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name.innerHTML = file.name;
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li.appendChild(name);
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var link = document.createElement('a');
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li.appendChild(link);
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var progress = document.createElement('p');
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li.appendChild(progress);
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document.getElementById('uploaded_files').appendChild(li);
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xhr.upload.addEventListener(
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'progress',
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returnBindedLI(progress, name, link, li)
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);
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xhr.onreadystatechange = function() {
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if (xhr.readyState == XMLHttpRequest.DONE) {
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window.crypto.subtle
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.exportKey('jwk', key)
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.then(function(keydata) {
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var curr_name = localStorage.getItem(file.name);
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localStorage.setItem(hex, xhr.responseText);
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link.innerHTML =
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'http://localhost:3000/download/' +
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hex +
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'/#' +
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keydata.k;
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link.setAttribute(
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'href',
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'http://localhost:3000/download/' + hex + '/#' + keydata.k
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);
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console.log(
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'Share this link with a friend: http://localhost:3000/download/' +
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hex +
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'/#' +
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keydata.k
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);
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});
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}
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};
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xhr.send(fd);
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})
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.catch(function(err) {
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console.error(err);
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});
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})
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.catch(function(err) {
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console.error(err);
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});
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}).catch((err) => console.error(err));
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};
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reader.readAsArrayBuffer(file);
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}
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let uploadFile = (file, hex, key, encrypted) => {
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var dataView = new DataView(encrypted);
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var blob = new Blob([dataView], { type: file.type });
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var fd = new FormData();
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fd.append("fname", file.name);
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fd.append("data", blob, file.name);
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var xhr = new XMLHttpRequest();
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xhr.open("post", "/upload/" + hex, true);
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let prog = new window.ProgressEmitter(file.name, hex, file.type);
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var li = document.createElement("li");
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var name = document.createElement("p");
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name.innerHTML = file.name;
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li.appendChild(name);
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var link = document.createElement("a");
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li.appendChild(link);
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var progress = document.createElement("p");
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li.appendChild(progress);
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document.getElementById("uploaded_files").appendChild(li);
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xhr.upload.addEventListener("progress", returnBindedLI(progress, name, link, li));
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xhr.onreadystatechange = function() {
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if (xhr.readyState == XMLHttpRequest.DONE) {
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window.crypto.subtle.exportKey("jwk", key).then(function(keydata) {
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var curr_name = localStorage.getItem(file.name);
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localStorage.setItem(hex, xhr.responseText);
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prog.link = "http://localhost:3000/download/" + hex + "/#" + keydata.k;
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prog.emit();
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link.innerHTML = "http://localhost:3000/download/" + hex + "/#" + keydata.k;
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link.setAttribute("href", "http://localhost:3000/download/" + hex + "/#" + keydata.k);
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console.log("Share this link with a friend: http://localhost:3000/download/" + hex + "/#" + keydata.k);
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})
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}
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};
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xhr.send(fd);
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// setupLI(file.name);
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}
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function setupLI(emitter) {
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var li = document.createElement("li");
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var name = document.createElement("p");
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name.innerHTML = emitter;
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li.appendChild(name);
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var link = document.createElement("a");
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link.addEventListener('NotifyProgress', (progress_event) => {
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console.log(progress_event);
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});
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li.appendChild(link);
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var progress = document.createElement("p");
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li.appendChild(progress);
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document.getElementById("uploaded_files").appendChild(li);
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}
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function ivToStr(iv) {
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116
server/portal_server.js
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116
server/portal_server.js
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@ -0,0 +1,116 @@
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const express = require("express")
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const busboy = require("connect-busboy");
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const path = require("path");
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const fs = require("fs-extra");
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const bodyParser = require("body-parser");
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const crypto = require("crypto");
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const app = express()
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const redis = require("redis"),
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client = redis.createClient();
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client.on("error", function(err) {
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console.log(err);
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})
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app.use(busboy());
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app.use(bodyParser.json());
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app.use(express.static(path.join(__dirname, "../public")));
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app.get("/download/:id", function(req, res) {
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res.sendFile(path.join(__dirname + "/../public/download.html"));
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});
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app.get("/assets/download/:id", function(req, res) {
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let id = req.params.id;
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if (!validateID(id)){
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res.send(404);
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return;
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}
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client.hget(id, "filename", function(err, reply) { // maybe some expiration logic too
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if (!reply) {
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res.sendStatus(404);
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} else {
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res.setHeader("Content-Disposition", "attachment; filename=" + reply);
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res.setHeader("Content-Type", "application/octet-stream");
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res.download(__dirname + "/../static/" + id, reply, function(err) {
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if (!err) {
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client.del(id);
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fs.unlinkSync(__dirname + "/../static/" + id);
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}
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});
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}
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})
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});
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app.post("/delete/:id", function(req, res) {
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let id = req.params.id;
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if (!validateID(id)){
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res.send(404);
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return;
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}
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let delete_token = req.body.delete_token;
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if (!delete_token){
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res.sendStatus(404);
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}
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client.hget(id, "delete", function(err, reply) {
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if (!reply) {
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res.sendStatus(404);
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} else {
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client.del(id);
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fs.unlinkSync(__dirname + "/../static/" + id);
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res.sendStatus(200);
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}
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})
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});
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app.post("/upload/:id", function (req, res, next) {
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if (!validateID(req.params.id)){
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res.send(404);
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return;
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}
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var fstream;
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req.pipe(req.busboy);
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req.busboy.on("file", function (fieldname, file, filename) {
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console.log("Uploading: " + filename);
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//Path where image will be uploaded
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fstream = fs.createWriteStream(__dirname + "/../static/" + req.params.id);
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file.pipe(fstream);
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fstream.on("close", function () {
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let id = req.params.id;
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let uuid = crypto.randomBytes(10).toString('hex');
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client.hmset([id, "filename", filename, "delete", uuid]);
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// delete the file off the server in 24 hours
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// setTimeout(function() {
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// fs.unlinkSync(__dirname + "/static/" + id);
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// }, 86400000);
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client.expire(id, 86400000);
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console.log("Upload Finished of " + filename);
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res.send(uuid);
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});
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});
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});
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app.listen(3000, function () {
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console.log("Portal app listening on port 3000!")
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})
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function validateID(route_id) {
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return route_id.match(/^[0-9a-fA-F]{32}$/) !== null;
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}
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