clean code

+{
+  "name": "screensaver",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "node ./bin/www"
+  },
+  "dependencies": {
+    "@tensorflow-models/blazeface": "0.0.5",
+    "atob": "^2.1.2",
+    "aws-sdk": "^2.791.0",
+    "cookie-parser": "~1.4.4",
+    "debug": "~2.6.9",
+    "ejs": "~2.6.1",
+    "express": "~4.16.1",
+    "http-errors": "^1.6.3",
+    "morgan": "~1.9.1",
+    "multer": "^1.4.2",
+    "python-shell": "^2.0.3"
+  }
+}

@@ -61,8 +61,6 @@
                 <footer class="align-center">
                 <footer class="align-center">
                   <form action="/use" method="post">
                   <form action="/use" method="post">
                     <input type="hidden" name="landing" id="landing" value="true" />
                     <input type="hidden" name="landing" id="landing" value="true" />
-                    <!-- <label for="type">Password (4 characters minimum):</label>
-                    <input type='password' name='type' id='type' minlength="4" required/> -->
                     <input type='hidden' name="collection" id='collection' value="<%= collection %>" >
                     <input type='hidden' name="collection" id='collection' value="<%= collection %>" >
                     <select name="type" id="type"  class="button alt">
                     <select name="type" id="type"  class="button alt">
                       <option value="Desktop">바탕화면</option>
                       <option value="Desktop">바탕화면</option>

+config.json
\ No newline at end of file

+var createError = require("http-errors");
+var express = require("express");
+var path = require("path");
+var cookieParser = require("cookie-parser");
+var logger = require("morgan");
+
+var indexRouter = require("./routes/index");
+var registerRouter = require("./routes/register");
+var useRouter = require("./routes/use");
+
+var app = express();
+
+// view engine setup
+app.set("views", path.join(__dirname, "views"));
+app.set("view engine", "ejs");
+
+app.use(logger("dev"));
+app.use(express.json({limit : "50mb"}));
+app.use(express.urlencoded({  limit:"50mb",extended: true }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, "public")));
+
+app.use("/", indexRouter);
+app.use("/register", registerRouter);
+app.use("/use", useRouter);
+
+// catch 404 and forward to error handler
+app.use(function (req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function (err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get("env") === "development" ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render("error");
+});
+
+module.exports = app;

+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require("../app");
+var debug = require("debug")("screensaver:server");
+var http = require("http");
+const fs = require("fs");
+const path = require("path");
+const HTTPS = require("https");
+const domain = "www.screensaver.ml";
+const sslport = 23023;
+
+try {
+  const option = {
+    ca: fs.readFileSync("/etc/letsencrypt/live/" + domain + "/fullchain.pem"),
+    key: fs
+      .readFileSync(
+        path.resolve(
+          process.cwd(),
+          "/etc/letsencrypt/live/" + domain + "/privkey.pem"
+        ),
+        "utf8"
+      )
+      .toString(),
+    cert: fs
+      .readFileSync(
+        path.resolve(
+          process.cwd(),
+          "/etc/letsencrypt/live/" + domain + "/cert.pem"
+        ),
+        "utf8"
+      )
+      .toString(),
+  };
+
+  HTTPS.createServer(option, app).listen(sslport, () => {
+    console.log(`[HTTPS] Server is started on port ${sslport}`);
+  });
+} catch (error) {
+  console.log(
+    "[HTTPS] HTTPS 오류가 발생하였습니다. HTTPS 서버는 실행되지 않습니다."
+  );
+  console.log(error);
+}
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || "3000");
+app.set("port", port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on("error", onError);
+server.on("listening", onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== "listen") {
+    throw error;
+  }
+
+  var bind = typeof port === "string" ? "Pipe " + port : "Port " + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case "EACCES":
+      console.error(bind + " requires elevated privileges");
+      process.exit(1);
+      break;
+    case "EADDRINUSE":
+      console.error(bind + " is already in use");
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === "string" ? "pipe " + addr : "port " + addr.port;
+  debug("Listening on " + bind);
+}

+aws_setup.js
\ No newline at end of file

+/**
+ * @license
+ * Copyright 2019 Google LLC. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * =============================================================================
+ */
+
+
+// tfjsWasm.setWasmPath('https://cdn.jsdelivr.net/npm/@tensorflow/tfjs-backend-wasm@latest/dist/tfjs-backend-wasm.wasm');
+
+
+
+const stats = new Stats();
+stats.showPanel(0);
+document.body.prepend(stats.domElement);
+
+let model, ctx, videoWidth, videoHeight, video, canvas;
+let face_frame_count;
+face_frame_count = 0
+
+const state = {
+  backend: 'webgl'
+};
+
+// const gui = new dat.GUI();
+// gui.add(state, 'backend', ['wasm', 'webgl', 'cpu']).onChange(async backend => {
+//   await tf.setBackend(backend);
+// });
+
+async function setupCamera() {
+  video = document.getElementById('video');
+
+  const stream = await navigator.mediaDevices.getUserMedia({
+    'audio': false,
+    'video': { facingMode: 'user' },
+  });
+  video.srcObject = stream;
+
+  return new Promise((resolve) => {
+    video.onloadedmetadata = () => {
+      resolve(video);
+    };
+  });
+}
+
+async function AWS_req(img_byte){
+  let element = document.getElementById('method');
+  console.log(element.value)
+  let collection = document.getElementById('collection');
+
+  var rekognition = new AWS.Rekognition();
+  var params = {
+    CollectionId: "6jj2", 
+    FaceMatchThreshold: 95, 
+    Image: {
+     Bytes : img_byte
+    }, 
+    MaxFaces: 5
+   };
+   post_data = {
+    "type" : element.value,
+    "landing": "false",
+    "image":img_byte,
+    "collection" :collection.value
+  }
+  console.log(img_byte)
+  redirectPost("/use",post_data)
+  //  rekognition.searchFacesByImage(params, function(err, data){
+  //   if (err) {
+  //     console.log(err, err.stack); // an error occurred
+  //     alert("AWS Not configured. Check /pubilc/javascripts/aws_setup.js");
+  //     // window.location.href = '/';
+  //   }
+      
+  //   else     console.log(data);           // successful response
+  //   if (data.FaceMatches.length>0){
+  //     post_data = {
+  //       "result": true,
+  //       "type" : element.value,
+  //       "landing": "false",
+  //       "image":img_byte
+  //     }
+  //     // redirectPost("/use",post_data)
+  //   }
+  //   else{
+  //     post_data = {
+  //       "result": false,
+  //       "type" : element.value,
+  //       "landing": "false",
+  //       "image":img_byte
+  //     }
+  //     console.log('me!')
+  //     // redirectPost("/use",post_data)
+  //   }
+
+    
+  //   }
+  //  )
+   
+} 
+
+const renderPrediction = async () => {
+  stats.begin();
+
+  const returnTensors = false;
+  const flipHorizontal = true;
+  const annotateBoxes = true;
+  const predictions = await model.estimateFaces(
+    video, returnTensors, flipHorizontal, annotateBoxes);
+
+  if (predictions.length > 0) {
+    face_frame_count += 1;
+    ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+    for (let i = 0; i < predictions.length; i++) {
+      if (returnTensors) {
+        predictions[i].topLeft = predictions[i].topLeft.arraySync();
+        predictions[i].bottomRight = predictions[i].bottomRight.arraySync();
+        if (annotateBoxes) {
+          predictions[i].landmarks = predictions[i].landmarks.arraySync();
+        }
+      }
+
+      const start = predictions[i].topLeft;
+      const end = predictions[i].bottomRight;
+      // console.log(start)
+      // console.log(end)
+      const size = [end[0] - start[0], end[1] - start[1]];
+      ctx.fillStyle = "rgba(255, 0, 0, 0.5)";
+      // ctx.fillRect(start[0], start[1], size[0], size[1]);
+
+      if (annotateBoxes) {
+        const landmarks = predictions[i].landmarks;
+
+        ctx.fillStyle = "blue";
+        for (let j = 0; j < landmarks.length; j++) {
+          const x = landmarks[j][0];
+          const y = landmarks[j][1];
+          ctx.fillRect(x, y, 5, 5);
+        }
+      }
+    }
+  }
+
+  stats.end();
+  if(face_frame_count > 100){
+    onClick()
+    face_frame_count = 0
+  }
+  requestAnimationFrame(renderPrediction);
+};
+function onClick(){
+  canvas.getContext('2d').drawImage(video, 0, 0, canvas.width, canvas.height);
+  var dataURL = canvas.toDataURL();
+  enc_data = atob(dataURL.split("data:image/png;base64,")[1])
+  // console.log(enc_data)
+  var length = enc_data.length;
+  imageBytes = new ArrayBuffer(length);
+  var ua = new Uint8Array(imageBytes);
+  for (var i = 0; i < length; i++) {
+    ua[i] = enc_data.charCodeAt(i);
+  }
+  // console.log(ua)
+  AWS_req(dataURL)
+
+}
+const setupPage = async () => {
+  await tf.setBackend(state.backend);
+  await setupCamera();
+  video.play();
+
+  videoWidth = video.videoWidth;
+  videoHeight = video.videoHeight;
+  video.width = videoWidth;
+  video.height = videoHeight;
+
+  canvas = document.getElementById('output');
+  canvas.width = videoWidth;
+  canvas.height = videoHeight;
+  ctx = canvas.getContext('2d');
+  ctx.fillStyle = "rgba(255, 0, 0, 0.5)";
+
+  model = await blazeface.load();
+
+  renderPrediction();
+};
+
+function redirectPost(url, data) {
+  var form = document.createElement('form');
+  document.body.appendChild(form);
+  form.method = 'post';
+  form.action = url;
+  for (var name in data) {
+      var input = document.createElement('input');
+      input.type = 'hidden';
+      input.name = name;
+      input.value = data[name];
+      form.appendChild(input);
+  }
+  form.submit();
+}
+
+setupPage();

+/* jquery.scrollex v0.2.1 | (c) @ajlkn | github.com/ajlkn/jquery.scrollex | MIT licensed */
+!function(t){function e(t,e,n){return"string"==typeof t&&("%"==t.slice(-1)?t=parseInt(t.substring(0,t.length-1))/100*e:"vh"==t.slice(-2)?t=parseInt(t.substring(0,t.length-2))/100*n:"px"==t.slice(-2)&&(t=parseInt(t.substring(0,t.length-2)))),t}var n=t(window),i=1,o={};n.on("scroll",function(){var e=n.scrollTop();t.map(o,function(t){window.clearTimeout(t.timeoutId),t.timeoutId=window.setTimeout(function(){t.handler(e)},t.options.delay)})}).on("load",function(){n.trigger("scroll")}),jQuery.fn.scrollex=function(l){var s=t(this);if(0==this.length)return s;if(this.length>1){for(var r=0;r<this.length;r++)t(this[r]).scrollex(l);return s}if(s.data("_scrollexId"))return s;var a,u,h,c,p;switch(a=i++,u=jQuery.extend({top:0,bottom:0,delay:0,mode:"default",enter:null,leave:null,initialize:null,terminate:null,scroll:null},l),u.mode){case"top":h=function(t,e,n,i,o){return t>=i&&o>=t};break;case"bottom":h=function(t,e,n,i,o){return n>=i&&o>=n};break;case"middle":h=function(t,e,n,i,o){return e>=i&&o>=e};break;case"top-only":h=function(t,e,n,i,o){return i>=t&&n>=i};break;case"bottom-only":h=function(t,e,n,i,o){return n>=o&&o>=t};break;default:case"default":h=function(t,e,n,i,o){return n>=i&&o>=t}}return c=function(t){var i,o,l,s,r,a,u=this.state,h=!1,c=this.$element.offset();i=n.height(),o=t+i/2,l=t+i,s=this.$element.outerHeight(),r=c.top+e(this.options.top,s,i),a=c.top+s-e(this.options.bottom,s,i),h=this.test(t,o,l,r,a),h!=u&&(this.state=h,h?this.options.enter&&this.options.enter.apply(this.element):this.options.leave&&this.options.leave.apply(this.element)),this.options.scroll&&this.options.scroll.apply(this.element,[(o-r)/(a-r)])},p={id:a,options:u,test:h,handler:c,state:null,element:this,$element:s,timeoutId:null},o[a]=p,s.data("_scrollexId",p.id),p.options.initialize&&p.options.initialize.apply(this),s},jQuery.fn.unscrollex=function(){var e=t(this);if(0==this.length)return e;if(this.length>1){for(var n=0;n<this.length;n++)t(this[n]).unscrollex();return e}var i,l;return(i=e.data("_scrollexId"))?(l=o[i],window.clearTimeout(l.timeoutId),delete o[i],e.removeData("_scrollexId"),l.options.terminate&&l.options.terminate.apply(this),e):e}}(jQuery);
\ No newline at end of file

+/*
+	Hielo by TEMPLATED
+	templated.co @templatedco
+	Released for free under the Creative Commons Attribution 3.0 license (templated.co/license)
+*/
+
+var settings = {
+
+	banner: {
+
+		// Indicators (= the clickable dots at the bottom).
+			indicators: true,
+
+		// Transition speed (in ms)
+		// For timing purposes only. It *must* match the transition speed of "#banner > article".
+			speed: 1500,
+
+		// Transition delay (in ms)
+			delay: 5000,
+
+		// Parallax intensity (between 0 and 1; higher = more intense, lower = less intense; 0 = off)
+			parallax: 0.25
+
+	}
+
+};
+
+(function($) {
+
+	skel.breakpoints({
+		xlarge:	'(max-width: 1680px)',
+		large:	'(max-width: 1280px)',
+		medium:	'(max-width: 980px)',
+		small:	'(max-width: 736px)',
+		xsmall:	'(max-width: 480px)'
+	});
+
+	/**
+	 * Applies parallax scrolling to an element's background image.
+	 * @return {jQuery} jQuery object.
+	 */
+	$.fn._parallax = (skel.vars.browser == 'ie' || skel.vars.mobile) ? function() { return $(this) } : function(intensity) {
+
+		var	$window = $(window),
+			$this = $(this);
+
+		if (this.length == 0 || intensity === 0)
+			return $this;
+
+		if (this.length > 1) {
+
+			for (var i=0; i < this.length; i++)
+				$(this[i])._parallax(intensity);
+
+			return $this;
+
+		}
+
+		if (!intensity)
+			intensity = 0.25;
+
+		$this.each(function() {
+
+			var $t = $(this),
+				on, off;
+
+			on = function() {
+
+				$t.css('background-position', 'center 100%, center 100%, center 0px');
+
+				$window
+					.on('scroll._parallax', function() {
+
+						var pos = parseInt($window.scrollTop()) - parseInt($t.position().top);
+
+						$t.css('background-position', 'center ' + (pos * (-1 * intensity)) + 'px');
+
+					});
+
+			};
+
+			off = function() {
+
+				$t
+					.css('background-position', '');
+
+				$window
+					.off('scroll._parallax');
+
+			};
+
+			skel.on('change', function() {
+
+				if (skel.breakpoint('medium').active)
+					(off)();
+				else
+					(on)();
+
+			});
+
+		});
+
+		$window
+			.off('load._parallax resize._parallax')
+			.on('load._parallax resize._parallax', function() {
+				$window.trigger('scroll');
+			});
+
+		return $(this);
+
+	};
+
+	/**
+	 * Custom banner slider for Slate.
+	 * @return {jQuery} jQuery object.
+	 */
+	$.fn._slider = function(options) {
+
+		var	$window = $(window),
+			$this = $(this);
+
+		if (this.length == 0)
+			return $this;
+
+		if (this.length > 1) {
+
+			for (var i=0; i < this.length; i++)
+				$(this[i])._slider(options);
+
+			return $this;
+
+		}
+
+		// Vars.
+			var	current = 0, pos = 0, lastPos = 0,
+				slides = [], indicators = [],
+				$indicators,
+				$slides = $this.children('article'),
+				intervalId,
+				isLocked = false,
+				i = 0;
+
+		// Turn off indicators if we only have one slide.
+			if ($slides.length == 1)
+				options.indicators = false;
+
+		// Functions.
+			$this._switchTo = function(x, stop) {
+
+				if (isLocked || pos == x)
+					return;
+
+				isLocked = true;
+
+				if (stop)
+					window.clearInterval(intervalId);
+
+				// Update positions.
+					lastPos = pos;
+					pos = x;
+
+				// Hide last slide.
+					slides[lastPos].removeClass('top');
+
+					if (options.indicators)
+						indicators[lastPos].removeClass('visible');
+
+				// Show new slide.
+					slides[pos].addClass('visible').addClass('top');
+
+					if (options.indicators)
+						indicators[pos].addClass('visible');
+
+				// Finish hiding last slide after a short delay.
+					window.setTimeout(function() {
+
+						slides[lastPos].addClass('instant').removeClass('visible');
+
+						window.setTimeout(function() {
+
+							slides[lastPos].removeClass('instant');
+							isLocked = false;
+
+						}, 100);
+
+					}, options.speed);
+
+			};
+
+		// Indicators.
+			if (options.indicators)
+				$indicators = $('<ul class="indicators"></ul>').appendTo($this);
+
+		// Slides.
+			$slides
+				.each(function() {
+
+					var $slide = $(this),
+						$img = $slide.find('img');
+
+					// Slide.
+						$slide
+							.css('background-image', 'url("' + $img.attr('src') + '")')
+							.css('background-position', ($slide.data('position') ? $slide.data('position') : 'center'));
+
+					// Add to slides.
+						slides.push($slide);
+
+					// Indicators.
+						if (options.indicators) {
+
+							var $indicator_li = $('<li>' + i + '</li>').appendTo($indicators);
+
+							// Indicator.
+								$indicator_li
+									.data('index', i)
+									.on('click', function() {
+										$this._switchTo($(this).data('index'), true);
+									});
+
+							// Add to indicators.
+								indicators.push($indicator_li);
+
+						}
+
+					i++;
+
+				})
+				._parallax(options.parallax);
+
+		// Initial slide.
+			slides[pos].addClass('visible').addClass('top');
+
+			if (options.indicators)
+				indicators[pos].addClass('visible');
+
+		// Bail if we only have a single slide.
+			if (slides.length == 1)
+				return;
+
+		// Main loop.
+			intervalId = window.setInterval(function() {
+
+				current++;
+
+				if (current >= slides.length)
+					current = 0;
+
+				$this._switchTo(current);
+
+			}, options.delay);
+
+	};
+
+	$(function() {
+
+		var	$window 	= $(window),
+			$body 		= $('body'),
+			$header 	= $('#header'),
+			$banner 	= $('.banner');
+
+		// Disable animations/transitions until the page has loaded.
+			$body.addClass('is-loading');
+
+			$window.on('load', function() {
+				window.setTimeout(function() {
+					$body.removeClass('is-loading');
+				}, 100);
+			});
+
+		// Prioritize "important" elements on medium.
+			skel.on('+medium -medium', function() {
+				$.prioritize(
+					'.important\\28 medium\\29',
+					skel.breakpoint('medium').active
+				);
+			});
+
+		// Banner.
+			$banner._slider(settings.banner);
+
+		// Menu.
+			$('#menu')
+				.append('<a href="#menu" class="close"></a>')
+				.appendTo($body)
+				.panel({
+					delay: 500,
+					hideOnClick: true,
+					hideOnSwipe: true,
+					resetScroll: true,
+					resetForms: true,
+					side: 'right'
+				});
+
+		// Header.
+			if (skel.vars.IEVersion < 9)
+				$header.removeClass('alt');
+
+			if ($banner.length > 0
+			&&	$header.hasClass('alt')) {
+
+				$window.on('resize', function() { $window.trigger('scroll'); });
+
+				$banner.scrollex({
+					bottom:		$header.outerHeight(),
+					terminate:	function() { $header.removeClass('alt'); },
+					enter:		function() { $header.addClass('alt'); },
+					leave:		function() { $header.removeClass('alt'); $header.addClass('reveal'); }
+				});
+
+			}
+
+	});
+
+})(jQuery);
\ No newline at end of file

+/* skel.js v3.0.2-dev | (c) skel.io | MIT licensed */
+var skel=function(){"use strict";var t={breakpointIds:null,events:{},isInit:!1,obj:{attachments:{},breakpoints:{},head:null,states:{}},sd:"/",state:null,stateHandlers:{},stateId:"",vars:{},DOMReady:null,indexOf:null,isArray:null,iterate:null,matchesMedia:null,extend:function(e,n){t.iterate(n,function(i){t.isArray(n[i])?(t.isArray(e[i])||(e[i]=[]),t.extend(e[i],n[i])):"object"==typeof n[i]?("object"!=typeof e[i]&&(e[i]={}),t.extend(e[i],n[i])):e[i]=n[i]})},newStyle:function(t){var e=document.createElement("style");return e.type="text/css",e.innerHTML=t,e},_canUse:null,canUse:function(e){t._canUse||(t._canUse=document.createElement("div"));var n=t._canUse.style,i=e.charAt(0).toUpperCase()+e.slice(1);return e in n||"Moz"+i in n||"Webkit"+i in n||"O"+i in n||"ms"+i in n},on:function(e,n){var i=e.split(/[\s]+/);return t.iterate(i,function(e){var a=i[e];if(t.isInit){if("init"==a)return void n();if("change"==a)n();else{var r=a.charAt(0);if("+"==r||"!"==r){var o=a.substring(1);if(o in t.obj.breakpoints)if("+"==r&&t.obj.breakpoints[o].active)n();else if("!"==r&&!t.obj.breakpoints[o].active)return void n()}}}t.events[a]||(t.events[a]=[]),t.events[a].push(n)}),t},trigger:function(e){if(t.events[e]&&0!=t.events[e].length)return t.iterate(t.events[e],function(n){t.events[e][n]()}),t},breakpoint:function(e){return t.obj.breakpoints[e]},breakpoints:function(e){function n(t,e){this.name=this.id=t,this.media=e,this.active=!1,this.wasActive=!1}return n.prototype.matches=function(){return t.matchesMedia(this.media)},n.prototype.sync=function(){this.wasActive=this.active,this.active=this.matches()},t.iterate(e,function(i){t.obj.breakpoints[i]=new n(i,e[i])}),window.setTimeout(function(){t.poll()},0),t},addStateHandler:function(e,n){t.stateHandlers[e]=n},callStateHandler:function(e){var n=t.stateHandlers[e]();t.iterate(n,function(e){t.state.attachments.push(n[e])})},changeState:function(e){t.iterate(t.obj.breakpoints,function(e){t.obj.breakpoints[e].sync()}),t.vars.lastStateId=t.stateId,t.stateId=e,t.breakpointIds=t.stateId===t.sd?[]:t.stateId.substring(1).split(t.sd),t.obj.states[t.stateId]?t.state=t.obj.states[t.stateId]:(t.obj.states[t.stateId]={attachments:[]},t.state=t.obj.states[t.stateId],t.iterate(t.stateHandlers,t.callStateHandler)),t.detachAll(t.state.attachments),t.attachAll(t.state.attachments),t.vars.stateId=t.stateId,t.vars.state=t.state,t.trigger("change"),t.iterate(t.obj.breakpoints,function(e){t.obj.breakpoints[e].active?t.obj.breakpoints[e].wasActive||t.trigger("+"+e):t.obj.breakpoints[e].wasActive&&t.trigger("-"+e)})},generateStateConfig:function(e,n){var i={};return t.extend(i,e),t.iterate(t.breakpointIds,function(e){t.extend(i,n[t.breakpointIds[e]])}),i},getStateId:function(){var e="";return t.iterate(t.obj.breakpoints,function(n){var i=t.obj.breakpoints[n];i.matches()&&(e+=t.sd+i.id)}),e},poll:function(){var e="";e=t.getStateId(),""===e&&(e=t.sd),e!==t.stateId&&t.changeState(e)},_attach:null,attach:function(e){var n=t.obj.head,i=e.element;return(!i.parentNode||!i.parentNode.tagName)&&(t._attach||(t._attach=n.firstChild),n.insertBefore(i,t._attach.nextSibling),e.permanent&&(t._attach=i),!0)},attachAll:function(e){var n=[];t.iterate(e,function(t){n[e[t].priority]||(n[e[t].priority]=[]),n[e[t].priority].push(e[t])}),n.reverse(),t.iterate(n,function(e){t.iterate(n[e],function(i){t.attach(n[e][i])})})},detach:function(t){var e=t.element;return!(t.permanent||!e.parentNode||e.parentNode&&!e.parentNode.tagName)&&(e.parentNode.removeChild(e),!0)},detachAll:function(e){var n={};t.iterate(e,function(t){n[e[t].id]=!0}),t.iterate(t.obj.attachments,function(e){e in n||t.detach(t.obj.attachments[e])})},attachment:function(e){return e in t.obj.attachments?t.obj.attachments[e]:null},newAttachment:function(e,n,i,a){return t.obj.attachments[e]={id:e,element:n,priority:i,permanent:a}},init:function(){t.initMethods(),t.initVars(),t.initEvents(),t.obj.head=document.getElementsByTagName("head")[0],t.isInit=!0,t.trigger("init")},initEvents:function(){t.on("resize",function(){t.poll()}),t.on("orientationChange",function(){t.poll()}),t.DOMReady(function(){t.trigger("ready")}),window.onload&&t.on("load",window.onload),window.onload=function(){t.trigger("load")},window.onresize&&t.on("resize",window.onresize),window.onresize=function(){t.trigger("resize")},window.onorientationchange&&t.on("orientationChange",window.onorientationchange),window.onorientationchange=function(){t.trigger("orientationChange")}},initMethods:function(){document.addEventListener?!function(e,n){t.DOMReady=n()}("domready",function(){function t(t){for(r=1;t=n.shift();)t()}var e,n=[],i=document,a="DOMContentLoaded",r=/^loaded|^c/.test(i.readyState);return i.addEventListener(a,e=function(){i.removeEventListener(a,e),t()}),function(t){r?t():n.push(t)}}):!function(e,n){t.DOMReady=n()}("domready",function(t){function e(t){for(h=1;t=i.shift();)t()}var n,i=[],a=!1,r=document,o=r.documentElement,s=o.doScroll,c="DOMContentLoaded",d="addEventListener",u="onreadystatechange",l="readyState",f=s?/^loaded|^c/:/^loaded|c/,h=f.test(r[l]);return r[d]&&r[d](c,n=function(){r.removeEventListener(c,n,a),e()},a),s&&r.attachEvent(u,n=function(){/^c/.test(r[l])&&(r.detachEvent(u,n),e())}),t=s?function(e){self!=top?h?e():i.push(e):function(){try{o.doScroll("left")}catch(n){return setTimeout(function(){t(e)},50)}e()}()}:function(t){h?t():i.push(t)}}),Array.prototype.indexOf?t.indexOf=function(t,e){return t.indexOf(e)}:t.indexOf=function(t,e){if("string"==typeof t)return t.indexOf(e);var n,i,a=e?e:0;if(!this)throw new TypeError;if(i=this.length,0===i||a>=i)return-1;for(a<0&&(a=i-Math.abs(a)),n=a;n<i;n++)if(this[n]===t)return n;return-1},Array.isArray?t.isArray=function(t){return Array.isArray(t)}:t.isArray=function(t){return"[object Array]"===Object.prototype.toString.call(t)},Object.keys?t.iterate=function(t,e){if(!t)return[];var n,i=Object.keys(t);for(n=0;i[n]&&e(i[n],t[i[n]])!==!1;n++);}:t.iterate=function(t,e){if(!t)return[];var n;for(n in t)if(Object.prototype.hasOwnProperty.call(t,n)&&e(n,t[n])===!1)break},window.matchMedia?t.matchesMedia=function(t){return""==t||window.matchMedia(t).matches}:window.styleMedia||window.media?t.matchesMedia=function(t){if(""==t)return!0;var e=window.styleMedia||window.media;return e.matchMedium(t||"all")}:window.getComputedStyle?t.matchesMedia=function(t){if(""==t)return!0;var e=document.createElement("style"),n=document.getElementsByTagName("script")[0],i=null;e.type="text/css",e.id="matchmediajs-test",n.parentNode.insertBefore(e,n),i="getComputedStyle"in window&&window.getComputedStyle(e,null)||e.currentStyle;var a="@media "+t+"{ #matchmediajs-test { width: 1px; } }";return e.styleSheet?e.styleSheet.cssText=a:e.textContent=a,"1px"===i.width}:t.matchesMedia=function(t){if(""==t)return!0;var e,n,i,a,r={"min-width":null,"max-width":null},o=!1;for(i=t.split(/\s+and\s+/),e=0;e<i.length;e++)n=i[e],"("==n.charAt(0)&&(n=n.substring(1,n.length-1),a=n.split(/:\s+/),2==a.length&&(r[a[0].replace(/^\s+|\s+$/g,"")]=parseInt(a[1]),o=!0));if(!o)return!1;var s=document.documentElement.clientWidth,c=document.documentElement.clientHeight;return!(null!==r["min-width"]&&s<r["min-width"]||null!==r["max-width"]&&s>r["max-width"]||null!==r["min-height"]&&c<r["min-height"]||null!==r["max-height"]&&c>r["max-height"])},navigator.userAgent.match(/MSIE ([0-9]+)/)&&RegExp.$1<9&&(t.newStyle=function(t){var e=document.createElement("span");return e.innerHTML='&nbsp;<style type="text/css">'+t+"</style>",e})},initVars:function(){var e,n,i,a=navigator.userAgent;e="other",n=0,i=[["firefox",/Firefox\/([0-9\.]+)/],["bb",/BlackBerry.+Version\/([0-9\.]+)/],["bb",/BB[0-9]+.+Version\/([0-9\.]+)/],["opera",/OPR\/([0-9\.]+)/],["opera",/Opera\/([0-9\.]+)/],["edge",/Edge\/([0-9\.]+)/],["safari",/Version\/([0-9\.]+).+Safari/],["chrome",/Chrome\/([0-9\.]+)/],["ie",/MSIE ([0-9]+)/],["ie",/Trident\/.+rv:([0-9]+)/]],t.iterate(i,function(t,i){if(a.match(i[1]))return e=i[0],n=parseFloat(RegExp.$1),!1}),t.vars.browser=e,t.vars.browserVersion=n,e="other",n=0,i=[["ios",/([0-9_]+) like Mac OS X/,function(t){return t.replace("_",".").replace("_","")}],["ios",/CPU like Mac OS X/,function(t){return 0}],["wp",/Windows Phone ([0-9\.]+)/,null],["android",/Android ([0-9\.]+)/,null],["mac",/Macintosh.+Mac OS X ([0-9_]+)/,function(t){return t.replace("_",".").replace("_","")}],["windows",/Windows NT ([0-9\.]+)/,null],["bb",/BlackBerry.+Version\/([0-9\.]+)/,null],["bb",/BB[0-9]+.+Version\/([0-9\.]+)/,null]],t.iterate(i,function(t,i){if(a.match(i[1]))return e=i[0],n=parseFloat(i[2]?i[2](RegExp.$1):RegExp.$1),!1}),t.vars.os=e,t.vars.osVersion=n,t.vars.IEVersion="ie"==t.vars.browser?t.vars.browserVersion:99,t.vars.touch="wp"==t.vars.os?navigator.msMaxTouchPoints>0:!!("ontouchstart"in window),t.vars.mobile="wp"==t.vars.os||"android"==t.vars.os||"ios"==t.vars.os||"bb"==t.vars.os}};return t.init(),t}();!function(t,e){"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?module.exports=e():t.skel=e()}(this,function(){return skel});

+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}

+var express = require("express");
+var router = express.Router();
+function makeid(length) {
+  var result = "";
+  var characters =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+  var charactersLength = characters.length;
+  for (var i = 0; i < length; i++) {
+    result += characters.charAt(Math.floor(Math.random() * charactersLength));
+  }
+  return result;
+}
+var AWS = require("aws-sdk");
+AWS.config.loadFromPath("./config.json");
+var rekognition = new AWS.Rekognition();
+
+/* GET home page. */
+router.get("/", function (req, res, next) {
+  var collectionID = makeid(8);
+  var params = {
+    CollectionId: collectionID,
+  };
+  rekognition.createCollection(params, function (err, data) {
+    if (err) console.log(err, err.stack);
+    // an error occurred
+    else console.log(data); // successful response
+  });
+  console.log(collectionID);
+  res.render("index", {
+    title: "AI Screensaver",
+    error: "",
+    collection: collectionID,
+  });
+});
+router.post("/", function (req, res, next) {
+  console.log(req.body.collection);
+  res.render("index", {
+    title: "AI Screensaver",
+    error: "",
+    collection: req.body.collection,
+  });
+});
+module.exports = router;

+var express = require("express");
+var router = express.Router();
+var AWS = require("aws-sdk");
+var fs = require("fs");
+const path = require('path');
+AWS.config.loadFromPath("./config.json");
+const multer = require('multer');
+var rekognition = new AWS.Rekognition();
+const upload = multer({
+  storage: multer.diskStorage({
+      destination(req, file, cb){
+          cb(null, 'uploads/')
+     },
+      filename(req, file, cb){
+          // 확장자 추출
+          const ext = path.extname(file.originalname);
+          // 이름설정 (basename:확장자제외 파일명) + 현재시간 + 확장자
+          cb(null, path.basename(file.originalname, ext) + new Date().valueOf() + ext);
+     },
+ }),
+  limit: { fileSize: 5 * 1024 * 1024},
+});
+router.post("/", upload.single('img'), (req, res) => {
+  console.log(req.file)
+  
+  fs.readFile(req.file.path, function (err, data) {
+    if (err) {
+      console.log(err);
+    }
+    params = {
+      CollectionId: req.body.collection,
+      DetectionAttributes: [],
+      ExternalImageId: req.body.text,
+      Image: { Bytes: data },
+    };
+    rekognition.indexFaces(params, function (err, data) {
+      if (err) {
+        console.log(err, err.stack);
+        res.render('redirect', {error:"not registered! is there any faces on image?",collection: req.body.collection})
+      }
+      // an error occurred
+      else console.log(data); // successful response
+
+      fs.unlink(req.file.path, (err) => {
+        if (err) throw err;
+        console.log('image was deleted');
+      });
+      if(data.FaceRecords.length>0)
+        res.render('redirect', {error:"registered!",collection: req.body.collection})
+      else
+      res.render('redirect', {error:"not registered! is there any faces on image?",collection: req.body.collection})
+    });
+  });
+});
+
+module.exports = router;

+<body>
+    <h1>
+        Action Triggered!
+    </h1>
+    <a href="/"> go back to home </a>
+</body>
\ No newline at end of file

+<h1><%= message %></h1>
+
+<h2><%= error.status %></h2>
+<!-- <pre><%= error.stack %></pre> -->
+<a href="/"> go back to home </a>

@@ -64,12 +64,6 @@
                     <label for="type">Password (4 characters minimum):</label>
                     <label for="type">Password (4 characters minimum):</label>
                     <input type='password' name='type' id='type' minlength="4" required/>
                     <input type='password' name='type' id='type' minlength="4" required/>
                     <input type='hidden' name="collection" id='collection' value="<%= collection %>" >
                     <input type='hidden' name="collection" id='collection' value="<%= collection %>" >
-                    <!-- <select name="type" id="type"  class="button alt">
-                      <option value="Desktop">바탕화면</option>
-                      <option value="Logout">로그아웃</option>
-                      <option value="NewDesktop">화면전환</option> -->
-                    </select>
-                    
                     <input type="submit" value="시작" class="button alt">
                     <input type="submit" value="시작" class="button alt">
                     </form>
                     </form>
                 </footer>
                 </footer>

+<body>
+  
+</body>
+<script type="text/javascript">
+    var error = '<%= error %>';          
+    
+    if(error!='') 
+    {  
+      alert(error);
+    }
+    function redirectPost(url, data) {
+  var form = document.createElement('form');
+  document.body.appendChild(form);
+  form.method = 'post';
+  form.action = url;
+  for (var name in data) {
+      var input = document.createElement('input');
+      input.type = 'hidden';
+      input.name = name;
+      input.value = data[name];
+      form.appendChild(input);
+  }
+  form.submit();
+}
+post_data = {
+  "collection":'<%= collection %>'
+}
+    // window.location.href='/'
+    redirectPost('/',post_data)
+    </script>
\ No newline at end of file

+<!-- Copyright 2019 Google LLC. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================-->
+
+<style>
+  body {
+    margin: 25px;
+  }
+
+  #main {
+    position: relative;
+    margin: 50px 0;
+  }
+
+  canvas {
+    position: absolute;
+    top: 0;
+    left: 0;
+  }
+
+  #description {
+    margin-top: 20px;
+    width: 600px;
+  }
+
+  #description-title {
+    font-weight: bold;
+    font-size: 18px;
+  }
+</style>
+
+<body>
+  <div id="main">
+    <video id="video" playsinline style="
+      -webkit-transform: scaleX(-1);
+      transform: scaleX(-1);
+      width: auto;
+      height: auto;
+      ">
+    </video>
+    <canvas id="output"></canvas>
+    <div id="description">
+      <div id="description-title">Face Detecting...</div>
+      <input type="button" id="close_button" onclick="location.href='/';" value="종료" />
+    </div>
+    <video id="video" playsinline style="
+      -webkit-transform: scaleX(-1);
+      transform: scaleX(-1);
+      visibility: hidden;
+      width: auto;
+      height: auto;
+      ">
+    </video>
+  </div>
+  <form>
+    <input type="hidden" id="method" name="method" value=<%= method %> />
+    <input type="hidden" id="collection" name="collection" value=<%= collection %> />
+  </form>
+</body>
+<script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs"></script>
+<script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs-backend-wasm"></script>
+<script src="https://cdn.jsdelivr.net/npm/@tensorflow-models/blazeface"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.6/dat.gui.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/stats.js/r16/Stats.min.js"></script>
+<script src="https://sdk.amazonaws.com/js/aws-sdk-2.799.0.min.js"></script>
+<script src="javascripts/aws_setup.js"></script>
+<script src="javascripts/index.js"></script>