`webtorrent` module works with browserify (fix #88)

1 files changed, 58 insertions, 0 deletions

diff --git a/lib/server.js b/lib/server.js
new file mode 100644
index 0000000..3f85629
--- /dev/null
+++ b/lib/server.js
@@ -0,0 +1,58 @@
+var debug = require('debug')('webtorrent:server')
+var http = require('http')
+var mime = require('mime')
+var pump = require('pump')
+var rangeParser = require('range-parser')
+var url = require('url')
+
+module.exports = function Server (webtorrent, port) {
+  var server = http.createServer()
+
+  server.on('connection', function (socket) {
+    socket.setTimeout(36000000)
+  })
+
+  server.on('request', function (req, res) {
+    debug('onRequest')
+
+    var u = url.parse(req.url)
+    if (u.pathname === '/favicon.ico') return res.end()
+    if (u.pathname === '/') u.pathname = '/' + webtorrent.index
+    var i = Number(u.pathname.slice(1))
+
+    if (isNaN(i) || i >= webtorrent.torrent.files.length) {
+      res.statusCode = 404
+      return res.end()
+    }
+
+    if (webtorrent.torrent) onTorrent(webtorrent.torrent)
+    else webtorrent.once('torrent', onTorrent)
+
+    function onTorrent (torrent) {
+      var file = torrent.files[i]
+
+      res.setHeader('accept-ranges', 'bytes')
+      res.setHeader('content-type', mime.lookup(file.name))
+      res.statusCode = 206
+
+      var range
+      if (req.headers.range) {
+        // no support for multi-range reqs
+        range = rangeParser(file.length, req.headers.range)[0]
+        debug('range %s', JSON.stringify(range))
+        res.setHeader(
+          'Content-Range',
+          'bytes ' + range.start + '-' + range.end + '/' + file.length
+        )
+        res.setHeader('Content-Length', range.end - range.start + 1)
+      } else {
+        res.setHeader('Content-Length', file.length)
+      }
+      if (req.method === 'HEAD') res.end()
+      pump(file.createReadStream(range), res)
+    }
+  })
+  server.listen(port)
+
+  return server
+}