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#!/usr/bin/python
# Proxy for relaying commands to play a video on VDR from a web
# browser to VDR.
#
# Listens for HTTP GET /play?url=XXX requests, where XXX is the address
# of the video page (not the address of the video stream), and converts
# them to webvideo plugin SVDRP commands. The bookmarklet in
# webvi_bookmarklet.js generates such requests. See README for the
# list of supported video sites.
#
# Antti Ajanki <antti.ajanki@iki.fi>
import urllib
import socket
import os.path
from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
from optparse import OptionParser
from urlparse import urlparse
SVDRP_ADDRESS = ('', 2001) # default port is 6419 starting from VDR 1.7.15
class SVDRPRequestHandler(BaseHTTPRequestHandler):
def send(self, cmd):
self.sock.sendall(cmd)
self.sock.sendall('\r\n')
def is_video_file(self, url):
ext = os.path.splitext(urlparse(url).path)[1]
return ext not in ('', '.htm', '.html')
def do_GET(self):
if self.path.startswith('/play?url='):
videopage = urllib.unquote(self.path[len('/play?url='):])
operation = "play"
elif self.path.startswith('/download?url='):
videopage = urllib.unquote(self.path[len('/download?url='):])
operation = "dwld"
else:
self.send_response(404, 'Not found')
self.send_header('Access-Control-Allow-Origin', '*')
self.end_headers()
return
# Strip everything after the first linefeed to prevent
# SVDRP command injection.
videopage = videopage.split('\r', 1)[0].split('\n', 1)[0]
try:
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.sock.settimeout(10)
self.sock.connect(SVDRP_ADDRESS)
# If this is a video file ask xineliboutput to play
# it. Otherwise assume it is a video page from one of
# the supported sites and let webvideo extract the
# video address from the page.
if self.is_video_file(videopage) and operation == "play":
self.send('plug xineliboutput pmda %s' % videopage)
else:
self.send('plug webvideo %s %s' % (operation, videopage) )
self.send('quit')
while len(self.sock.recv(4096)) > 0:
pass
self.sock.close()
self.send_response(204, 'OK')
self.send_header('Access-Control-Allow-Origin', '*')
self.end_headers()
except socket.error, exc:
self.send_response(503, 'SVDRP connection error: %s' % exc)
self.send_header('Access-Control-Allow-Origin', '*')
self.end_headers()
except socket.timeout:
self.send_response(504, 'SVDRP timeout')
self.send_header('Access-Control-Allow-Origin', '*')
self.end_headers()
def main():
parser = OptionParser()
parser.add_option('-s', '--svdrpport', dest='svdrpport',
type='int', default=2001, help='set SVDRP port')
parser.add_option('-d', '--svdrpaddress', dest='svdrpaddress',
default='', help='set SVDRP address')
parser.add_option('-l', '--listen', dest='listenport',
type='int', default=43280, help='listen to connection on this port')
(options, args) = parser.parse_args()
global SVDRP_ADDRESS
SVDRP_ADDRESS = (options.svdrpaddress, options.svdrpport)
httpd = HTTPServer(('', options.listenport), SVDRPRequestHandler)
httpd.serve_forever()
if __name__ == '__main__':
main()
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