close #32 by converting base64 images to binary in node

Author: jywarren

Diff for: app.js

@@ -32,6 +32,7 @@ if ('development' == app.get('env')) {
 
 app.get('/', routes.index);
 app.get('/i/:id', routes.show);
+app.get('/raw/:id', routes.raw);
 app.post('/create', routes.create);
 app.get('/delete/:id', routes.delete);
 app.get('/static/sandbox/', function(req,res) { res.redirect('/sandbox/') });

Diff for: package.json

@@ -9,6 +9,7 @@
     "express": "3.4.7",
     "jade": "*",
     "stylus": "*",
+    "atob": "*",
     "mongodb": ">= 0.9.6-7",
     "mongoose"   : "3.8.1"
   }

Diff for: routes/index.js

@@ -23,6 +23,16 @@ exports.show = function(req, res){
   })
 };
 
+// serve up the image itself, converting it from base64 to binary
+exports.raw = function(req, res){
+  Image.findOne({ _id: req.params.id }, 'src title desc author orig_src updated_at log', function (err, image) {
+    if (err) return handleError(err);
+    res.writeHead(200, { "Content-type": "image/png" });
+    var atob = require('atob')
+    res.end(atob(image.src.split(',')[1]), "binary");
+  })
+};
+
 exports.delete = function(req, res){
   if (req.params.pwd == "easytohack") { // very temporary solution
     Image.remove({ _id: req.params.id }, function (err, image) {
@@ -46,3 +56,5 @@ exports.create = function ( req, res ){
     res.redirect( '/' );
   });
 };
+
+

Diff for: views/show.jade

@@ -1,11 +1,14 @@
 extends layout
 block content
 
+  - var log = []
+  - if (image.log) log = JSON.parse(image.log) 
+
   div.navbar.clearfix
     div.navbar-inner
       ul.nav
         li
-          a(href="/sandbox/?src="+image.src)
+          a(href="/sandbox/?src=/raw/"+image._id+"&infragrammar="+log[log.length-1])
             i.icon.icon-pencil
             |  Open in Infragram Sandbox »
         li: a(onClick="$('#final').toggle();$('#original').toggle();") See original
@@ -26,8 +29,6 @@ block content
 
   form.form
     label Current command
-    - var log = []
-    - if (image.log) log = JSON.parse(image.log) 
     input(type="text" value=log[log.length-1])
     label Full command log
     textarea#log.span6(rows=10)= log.join('\r')