add password prompt

@@ -2,30 +2,32 @@ var express = require("express");
 var router = express.Router();
 var AWS = require("aws-sdk");
 var fs = require("fs");
-var atob = require('atob');
+var atob = require("atob");
 AWS.config.loadFromPath("./config.json");
 var rekognition = new AWS.Rekognition();
 
 const { exec } = require("child_process");
 
 router.post("/", function (req, res, next) {
-  console.log(req.body)
+  console.log(req.body);
   if (req.body.landing == "true") {
-    res.render('use', { method: req.body.type,collection:req.body.collection })
-  }
-  else {
-    image = req.body.image
-    console.log(req.body.collection)
+    res.render("use", {
+      method: req.body.type,
+      collection: req.body.collection,
+    });
+  } else {
+    image = req.body.image;
+    console.log(req.body.collection);
     // console.log(image)
     //   var img_arr = req.body.image.split(',').map(function(item) {
     //     return parseInt(item, 10);
     // });
     // console.log(img_arr)
     // enc_data = Buffer.from(image.split("data:image/png;base64,")[1], 'base64').toString('ascii')
-    if(image[11]=='p')
-      enc_data = atob(image.split("data:image/png;base64,")[1])
-    else if(image[11]=='j')
-      enc_data = atob(image.split("data:image/jpeg;base64,")[1])
+    if (image[11] == "p")
+      enc_data = atob(image.split("data:image/png;base64,")[1]);
+    else if (image[11] == "j")
+      enc_data = atob(image.split("data:image/jpeg;base64,")[1]);
     var length = enc_data.length;
     imageBytes = new ArrayBuffer(length);
     var ua = new Uint8Array(imageBytes);
@@ -37,20 +39,24 @@ router.post("/", function (req, res, next) {
       CollectionId: req.body.collection,
       FaceMatchThreshold: 95,
       Image: {
-        Bytes: imageBytes
+        Bytes: imageBytes,
       },
-      MaxFaces: 5
+      MaxFaces: 5,
     };
     rekognition.searchFacesByImage(params, function (err, data) {
       if (err) {
         console.log(err, err.stack);
-      }
-      else {
-        if (data.FaceMatches.length>0){
-          res.render("redirect", {error:"Recognized!",collection: req.body.collection });
-        }
-        else{
-          // todo 잠금 페이지로 이동.
+      } else {
+        if (data.FaceMatches.length > 0) {
+          res.render("redirect", {
+            error: "Recognized!",
+            collection: req.body.collection,
+          });
+        } else {
+          res.render("password", {
+            collection: req.body.collection,
+            type: req.body.type,
+          });
         }
       }
     });
@@ -58,7 +64,7 @@ router.post("/", function (req, res, next) {
 });
 
 router.get("/", function (req, res, next) {
-  res.render('use')
+  res.render("use");
 });
 
 module.exports = router;

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

+<script type="text/javascript">
+  post_data = {
+    "collection":'<%= collection %>'
+  }
+    function winOpen() {
+      var type = '<%= type %>';
+      let sign = window.prompt("password");
+  
+      if (sign == type){
+        redirectPost('/',post_data)
+      }
+      else{
+        winOpen();
+      }
+    }
+
+  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();
+  }
+  </script>
+
+  <body onLoad="winOpen()"></body>
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