httpserver.py

   1 import BaseHTTPServer
   2 import SocketServer
   3 import cgi
   4 import logging
   5 import os
   6 import re
   7 import socket
   8 import time
   9 from urllib import unquote_plus, quote, unquote
  10 from urlparse import urlparse
  11 from xml.sax.saxutils import escape
  12
  13 from Cheetah.Template import Template
  14 import config
  15 from plugin import GetPlugin
  16
  17 SCRIPTDIR = os.path.dirname(__file__)
  18
  19 VIDEO_FORMATS = """<?xml version="1.0" encoding="utf-8"?>
  20 <TiVoFormats><Format>
  21 <ContentType>video/x-tivo-mpeg</ContentType><Description/>
  22 </Format></TiVoFormats>"""
  23
  24 class TivoHTTPServer(SocketServer.ThreadingMixIn, BaseHTTPServer.HTTPServer):
  25     containers = {}
  26
  27     def __init__(self, server_address, RequestHandlerClass):
  28         BaseHTTPServer.HTTPServer.__init__(self, server_address,
  29                                            RequestHandlerClass)
  30         self.daemon_threads = True
  31         self.logger = logging.getLogger('pyTivo')
  32
  33     def add_container(self, name, settings):
  34         if name in self.containers or name == 'TiVoConnect':
  35             raise "Container Name in use"
  36         try:
  37             settings['content_type'] = GetPlugin(settings['type']).CONTENT_TYPE
  38             self.containers[name] = settings
  39         except KeyError:
  40             print 'Unable to add container', name
  41
  42     def reset(self):
  43         self.containers.clear()
  44         for section, settings in config.getShares():
  45             self.add_container(section, settings)
  46
  47     def handle_error(self, request, client_address):
  48         self.logger.exception('Exception during request from %s' %
  49                               (client_address,))
  50
  51     def set_beacon(self, beacon):
  52         self.beacon = beacon
  53
  54 class TivoHTTPHandler(BaseHTTPServer.BaseHTTPRequestHandler):
  55     tivos = {}
  56     tivo_names = {}
  57
  58     def address_string(self):
  59         host, port = self.client_address[:2]
  60         return host
  61
  62     def do_GET(self):
  63         tsn = self.headers.getheader('TiVo_TCD_ID',
  64                                      self.headers.getheader('tsn', ''))
  65         if tsn:
  66             ip = self.address_string()
  67             self.tivos[tsn] = ip
  68
  69             if not tsn in self.tivo_names:
  70                 self.tivo_names[tsn] = self.server.beacon.get_name(ip)
  71
  72         basepath = unquote_plus(self.path).split('/')[1]
  73
  74         ## Get File
  75         for name, container in self.server.containers.items():
  76             if basepath == name:
  77                 plugin = GetPlugin(container['type'])
  78                 plugin.send_file(self, container, name)
  79                 return
  80
  81         ## Not a file not a TiVo command
  82         if not self.path.startswith('/TiVoConnect'):
  83             self.infopage()
  84             return
  85
  86         o = urlparse("http://fake.host" + self.path)
  87         query = cgi.parse_qs(o[4])
  88
  89         self.handle_query(query)
  90
  91     def do_POST(self):
  92         ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
  93         if ctype == 'multipart/form-data':
  94             query = cgi.parse_multipart(self.rfile, pdict)
  95         else:
  96             length = int(self.headers.getheader('content-length'))
  97             qs = self.rfile.read(length)
  98             query = cgi.parse_qs(qs, keep_blank_values=1)
  99         self.handle_query(query)
 100
 101     def handle_query(self, query):
 102         mname = False
 103         if 'Command' in query and len(query['Command']) >= 1:
 104
 105             command = query['Command'][0]
 106
 107             # If we are looking at the root container
 108             if (command == 'QueryContainer' and
 109                 (not 'Container' in query or query['Container'][0] == '/')):
 110                 self.root_container()
 111                 return
 112
 113             if 'Container' in query:
 114                 # Dispatch to the container plugin
 115                 basepath = unquote(query['Container'][0].split('/')[0])
 116                 for name, container in self.server.containers.items():
 117                     if basepath == name:
 118                         plugin = GetPlugin(container['type'])
 119                         if hasattr(plugin, command):
 120                             method = getattr(plugin, command)
 121                             method(self, query)
 122                             return
 123                         else:
 124                             break
 125
 126             elif (command == 'QueryFormats' and 'SourceFormat' in query and
 127                   query['SourceFormat'][0].startswith('video')):
 128                 self.send_response(200)
 129                 self.end_headers()
 130                 self.wfile.write(VIDEO_FORMATS)
 131                 return
 132
 133         # If we made it here it means we couldn't match the request to
 134         # anything.
 135         self.unsupported(query)
 136
 137     def log_message(self, format, *args):
 138         self.server.logger.info("%s [%s] %s" % (self.address_string(),
 139                                 self.log_date_time_string(), format%args))
 140
 141     def root_container(self):
 142         tsn = self.headers.getheader('TiVo_TCD_ID', '')
 143         tsnshares = config.getShares(tsn)
 144         tsncontainers = {}
 145         for section, settings in tsnshares:
 146             try:
 147                 settings['content_type'] = \
 148                     GetPlugin(settings['type']).CONTENT_TYPE
 149                 tsncontainers[section] = settings
 150             except Exception, msg:
 151                 print section, '-', msg
 152         t = Template(file=os.path.join(SCRIPTDIR, 'templates',
 153                                        'root_container.tmpl'))
 154         t.containers = tsncontainers
 155         t.hostname = socket.gethostname()
 156         t.escape = escape
 157         t.quote = quote
 158         self.send_response(200)
 159         self.end_headers()
 160         self.wfile.write(t)
 161
 162     def infopage(self):
 163         self.send_response(200)
 164         self.send_header('Content-type', 'text/html')
 165         self.end_headers()
 166         t = Template(file=os.path.join(SCRIPTDIR, 'templates',
 167                                        'info_page.tmpl'))
 168         t.admin = ''
 169         for section, settings in config.getShares():
 170             if 'type' in settings and settings['type'] == 'admin':
 171                 t.admin += ('<a href="/TiVoConnect?Command=Admin&Container=' +
 172                             quote(section) +
 173                             '">Web Configuration</a><br>' +
 174                             '<a href="/TiVoConnect?Command=NPL&Container=' +
 175                             quote(section) + '">ToGo</a><br>')
 176         if t.admin == '':
 177             t.admin = ('<br><b>No Admin plugin installed in pyTivo.conf</b>' +
 178                        '<br> If you wish to use the admin plugin add the ' +
 179                        'following lines to pyTivo.conf<br><br>' +
 180                        '[Admin]<br>type=admin')
 181
 182         t.shares = 'Video shares:<br/>'
 183         for section, settings in config.getShares():
 184             if settings.get('type') == 'video':
 185                 t.shares += ('<a href="TiVoConnect?Command=QueryContainer&' +
 186                              'Container=' + quote(section) + '">' + section +
 187                              '</a><br/>')
 188
 189         self.wfile.write(t)
 190
 191     def unsupported(self, query):
 192         self.send_response(404)
 193         self.send_header('Content-type', 'text/html')
 194         self.end_headers()
 195         t = Template(file=os.path.join(SCRIPTDIR, 'templates',
 196                                        'unsupported.tmpl'))
 197         t.query = query
 198         self.wfile.write(t)
 199
 200 if __name__ == '__main__':
 201     def start_server():
 202         httpd = TivoHTTPServer(('', 9032), TivoHTTPHandler)
 203         httpd.add_container('test', 'x-container/tivo-videos',
 204                             r'C:\Documents and Settings\Armooo' +
 205                             r'\Desktop\pyTivo\test')
 206         httpd.serve_forever()
 207
 208     start_server()