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