Initial support for hosting files

For #18

client/index.js

@@ -2,6 +2,7 @@ var dragDrop = require('drag-drop/buffer')
 var magnet = require('magnet-uri')
 var path = require('path')
 var prettysize = require('prettysize')
+var querystring = require('querystring')
 var thunky = require('thunky')
 var toBuffer = require('typedarray-to-buffer')
 var upload = require('upload-element')
@@ -44,6 +45,22 @@ function download (infoHash) {
 }
 
 function seed (files) {
+  // Store files for 24 hours (if user requests it)
+  files.forEach(function (file) {
+    xhr({
+      url: '/upload?' + querystring.stringify({ name: file.name }),
+      method: 'POST',
+      headers: {
+        'Content-Type': file.type
+      },
+      body: file
+    }, function (err) {
+      if (err) return error(err)
+      // TODO: add message that file was stored
+    })
+  })
+
+  // Seed from WebTorrent
   getClient(function (err, client) {
     if (err) return error(err)
     client.seed(files, onTorrent)

package.json

@@ -45,7 +45,7 @@
     "url": "git://github.com/feross/instant.io.git"
   },
   "scripts": {
-    "build": "mkdir -p static && npm run build-css && npm run build-js",
+    "build": "mkdir -p static && mkdir -p upload && npm run build-css && npm run build-js",
     "build-css": "stylus -u nib css/main.styl -o static/ -c",
     "build-js": "browserify client > static/bundle.js",
     "secret-download": "rsync -a -O -v --delete -e \"ssh -p 44444\" [email protected]:\"/home/feross/www/instant.io/secret/\" secret/",

server/index.js

@@ -97,6 +97,17 @@ app.get('/rtcConfig', function (req, res) {
   else res.send({ iceServers: iceServers })
 })
 
+app.post('/upload', function (req, res) {
+  var saveTo = path.join(__dirname, '../upload', path.basename(req.query.name))
+  req.pipe(fs.createWriteStream(saveTo))
+    .on('end', function () {
+      res.status(200).send({ status: 'ok' })
+    })
+    .on('error', function (err) {
+      res.status(500).send({ error: err })
+    })
+})
+
 app.get('*', function (req, res) {
   res.status(404).render('error', { message: '404 Not Found' })
 })