Add proxy support

README.md

@@ -170,6 +170,16 @@ youtubedl.getInfo([url1, url2], function(err, info) {
 })
 ```
 
+### Using a proxy
+
+``` js
+const youtubedl = require('youtube-dl')
+
+const video = youtubedl('http://www.youtube.com/watch?v=90AiXO1pAiA',
+ // Optional arguments passed to youtube-dl.
+ ['--proxy', 'http://ip:port'],
+```
+
 ### Downloading subtitles
 
 ``` js

lib/youtube-dl.js

@@ -34,7 +34,7 @@ function youtubeDl (args, options, cb) {
  * @param {Object} stream
  */
 
-function processData (data, options, stream) {
+function processData (data, args, options, stream) {
  const item = !data.length ? data : data.shift()
 
  // fix for pause/resume downloads
@@ -47,13 +47,15 @@ function processData (data, options, stream) {
  headers.Range = 'bytes=' + options.start + '-' + options.end
  } else {
  headers.Range = 'bytes=0-' + item.filesize 
- }
+ } 
 
+ const proxyArgIndex = args.indexOf('--proxy')
  const req = request({
  url: item.url,
  headers: headers,
  ecdhCurve: 'auto',
- timeout: 30000
+ timeout: 30000,
+ ...(proxyArgIndex > -1 && { proxy: args[proxyArgIndex + 1] })
  })
 
  req.on('response', function response (res) {
@@ -94,12 +96,12 @@ const ytdl = (module.exports = function (videoUrl, args, options) {
  })
 
  if (!isString(videoUrl)) {
- processData(videoUrl, options, stream)
+ processData(videoUrl, args, options, stream)
  return stream
  }
 
  ytdl.getInfo(videoUrl, args, options, function getInfo (err, data) {
- return err ? stream.emit('error', err) : processData(data, options, stream)
+ return err ? stream.emit('error', err) : processData(data, args, options, stream)
  })
 
  return stream