def _get_forwarded_ip(headers):
header = headers.get('x-forwarded-for')
if header:
try:
x, y = header.split(',')
except:
return header
if is_valid_ip(x) and x not in local_IPs:
return x
return y
header = headers.get('client-ip')
if header:
return header
header = headers.get('via')
if header:
x = http_via_filter.search(header)
try:
return x.group(1)
except:
pass
header = headers.get('from')
#if header:
# return header
#return None
return header
def add_data(self, infohash, event, ip, paramslist):
peers = self.downloads.setdefault(infohash, {})
ts = self.times.setdefault(infohash, {})
self.completed.setdefault(infohash, 0)
self.seedcount.setdefault(infohash, 0)
def params(key, default=None, l=paramslist):
if key in l:
return l[key][0]
return default
myid = params('peer_id', '')
if len(myid) != 20:
raise ValueError('id not of length 20')
if event not in ('started', 'completed', 'stopped', 'snooped', None):
raise ValueError('invalid event')
port = params('cryptoport')
if port is None:
port = params('port', '')
port = long(port)
if port < 0 or port > 65535:
raise ValueError('invalid port')
left = long(params('left', ''))
if left < 0:
raise ValueError('invalid amount left')
#uploaded = long(params('uploaded',''))
#downloaded = long(params('downloaded',''))
if params('supportcrypto'):
supportcrypto = 1
try:
s = int(params['requirecrypto'])
chr(s)
except:
s = 0
requirecrypto = s
else:
supportcrypto = 0
requirecrypto = 0
peer = peers.get(myid)
islocal = ip in local_IPs
mykey = params('key')
if peer:
auth = peer.get('key', -1) == mykey or peer.get('ip') == ip
gip = params('ip')
if is_valid_ip(gip) and (islocal or not self.only_local_override_ip):
ip1 = gip
else:
ip1 = ip
if params('numwant') is not None:
rsize = min(int(params('numwant')), self.response_size)
else:
rsize = self.response_size
if event == 'stopped':
if peer:
if auth:
self.delete_peer(infohash, myid)
elif not peer:
ts[myid] = clock()
peer = {'ip': ip, 'port': port, 'left': left,
'supportcrypto': supportcrypto,
'requirecrypto': requirecrypto}
if mykey:
peer['key'] = mykey
if gip:
peer['given ip'] = gip
if port:
if not self.natcheck or islocal:
peer['nat'] = 0
self.natcheckOK(infohash, myid, ip1, port, peer)
else:
NatCheck(self.connectback_result, infohash, myid, ip1,
port, self.rawserver, encrypted=requirecrypto)
else:
peer['nat'] = 2 ** 30
if event == 'completed':
self.completed[infohash] += 1
if not left:
self.seedcount[infohash] += 1
peers[myid] = peer
else:
if not auth:
return rsize # return w/o changing stats
ts[myid] = clock()
if not left and peer['left']:
self.completed[infohash] += 1
self.seedcount[infohash] += 1
if not peer.get('nat', -1):
for bc in self.becache[infohash]:
bc[1][myid] = bc[0][myid]
del bc[0][myid]
elif left and not peer['left']:
self.completed[infohash] -= 1
self.seedcount[infohash] -= 1
if not peer.get('nat', -1):
for bc in self.becache[infohash]:
bc[0][myid] = bc[1][myid]
del bc[1][myid]
peer['left'] = left
if port:
recheck = False
if ip != peer['ip']:
peer['ip'] = ip
recheck = True
if gip != peer.get('given ip'):
if gip:
peer['given ip'] = gip
elif 'given ip' in peer:
del peer['given ip']
recheck = True
natted = peer.get('nat', -1)
if recheck:
if natted == 0:
l = self.becache[infohash]
y = not peer['left']
for x in l:
del x[y][myid]
if natted >= 0:
del peer['nat'] # restart NAT testing
if natted and natted < self.natcheck:
recheck = True
if recheck:
if not self.natcheck or islocal:
peer['nat'] = 0
self.natcheckOK(infohash, myid, ip1, port, peer)
else:
NatCheck(self.connectback_result, infohash, myid, ip1,
port, self.rawserver, encrypted=requirecrypto)
return rsize
def __init__(self, config, rawserver):
self.config = config
self.response_size = config['response_size']
self.dfile = config['dfile']
self.natcheck = config['nat_check']
favicon = config['favicon']
self.parse_dir_interval = config['parse_dir_interval']
self.favicon = None
if favicon:
try:
with open(favicon, 'r') as h:
self.favicon = h.read()
except:
print "**warning** specified favicon file -- %s -- does not " \
"exist." % favicon
self.rawserver = rawserver
self.cached = {} # format: infohash: [[time1, l1, s1], ...]
self.cached_t = {} # format: infohash: [time, cache]
self.times = {}
self.state = {}
self.seedcount = {}
self.allowed_IPs = None
self.banned_IPs = None
if config['allowed_ips'] or config['banned_ips']:
self.allowed_ip_mtime = 0
self.banned_ip_mtime = 0
self.read_ip_lists()
self.only_local_override_ip = config['only_local_override_ip']
if self.only_local_override_ip == 2:
self.only_local_override_ip = not config['nat_check']
if CHECK_PEER_ID_ENCRYPTED and not CRYPTO_OK:
print '**warning** crypto library not installed, cannot ' \
'completely verify encrypted peers'
if os.path.exists(self.dfile):
try:
with open(self.dfile, 'rb') as h:
ds = h.read()
tempstate = bdecode(ds)
if 'peers' not in tempstate:
tempstate = {'peers': tempstate}
statefiletemplate(tempstate)
self.state = tempstate
except:
print '**warning** statefile ' + self.dfile + \
' corrupt; resetting'
self.downloads = self.state.setdefault('peers', {})
self.completed = self.state.setdefault('completed', {})
self.becache = {}
''' format: infohash: [[l0, s0], [l1, s1], ...]
l0,s0 = compact, not requirecrypto=1
l1,s1 = compact, only supportcrypto=1
l2,s2 = [compact, crypto_flag], all peers
if --compact_reqd 0:
l3,s3 = [ip,port,id]
l4,l4 = [ip,port] nopeerid
'''
if config['compact_reqd']:
x = 3
else:
x = 5
self.cache_default = [({}, {}) for i in xrange(x)]
for infohash, ds in self.downloads.iteritems():
self.seedcount[infohash] = 0
for x, y in ds.iteritems():
ip = y['ip']
if self.allowed_IPs and ip not in self.allowed_IPs \
or self.banned_IPs and ip in self.banned_IPs:
del ds[x]
continue
if not y['left']:
self.seedcount[infohash] += 1
if y.get('nat', -1):
continue
gip = y.get('given_ip')
if is_valid_ip(gip) and (not self.only_local_override_ip or
ip in local_IPs):
ip = gip
self.natcheckOK(infohash, x, ip, y['port'], y)
for x in self.downloads:
self.times[x] = {}
for y in self.downloads[x]:
self.times[x][y] = 0
self.trackerid = createPeerID('-T-')
random.seed(self.trackerid)
self.reannounce_interval = config['reannounce_interval']
self.save_dfile_interval = config['save_dfile_interval']
self.show_names = config['show_names']
rawserver.add_task(self.save_state, self.save_dfile_interval)
self.prevtime = clock()
self.timeout_downloaders_interval = config[
'timeout_downloaders_interval']
rawserver.add_task(self.expire_downloaders,
self.timeout_downloaders_interval)
self.logfile = None
self.log = None
if (config['logfile']) and (config['logfile'] != '-'):
try:
self.logfile = config['logfile']
self.log = open(self.logfile, 'a')
sys.stdout = self.log
print "# Log Started: ", isotime()
except:
print "**warning** could not redirect stdout to log file: " + \
sys.exc_info()[0]
if config['hupmonitor']:
def huphandler(signum, frame, self=self):
try:
self.log.close()
self.log = open(self.logfile, 'a')
sys.stdout = self.log
print "# Log reopened: ", isotime()
except:
print "**warning** could not reopen logfile"
signal.signal(signal.SIGHUP, huphandler)
self.allow_get = config['allow_get']
self.t2tlist = T2TList(config['multitracker_enabled'], self.trackerid,
config['multitracker_reannounce_interval'],
config['multitracker_maxpeers'],
config['http_timeout'],
self.rawserver)
if config['allowed_list']:
if config['allowed_dir']:
print '**warning** allowed_dir and allowed_list options ' \
'cannot be used together'
print '**warning** disregarding allowed_dir'
config['allowed_dir'] = ''
self.allowed = self.state.setdefault('allowed_list', {})
self.allowed_list_mtime = 0
self.parse_allowed()
self.remove_from_state('allowed', 'allowed_dir_files')
if config['multitracker_allowed'] == 'autodetect':
config['multitracker_allowed'] = 'none'
config['allowed_controls'] = 0
elif config['allowed_dir']:
self.allowed = self.state.setdefault('allowed', {})
self.allowed_dir_files = self.state.setdefault(
'allowed_dir_files', {})
self.allowed_dir_blocked = set()
self.parse_allowed()
self.remove_from_state('allowed_list')
else:
self.allowed = None
self.remove_from_state('allowed', 'allowed_dir_files',
'allowed_list')
if config['multitracker_allowed'] == 'autodetect':
config['multitracker_allowed'] = 'none'
config['allowed_controls'] = 0
self.uq_broken = unquote('+') != ' '
self.keep_dead = config['keep_dead']
self.Filter = Filter(rawserver.add_task)
aggregator = config['aggregator']
if aggregator == '0':
self.is_aggregator = False
self.aggregator_key = None
else:
self.is_aggregator = True
if aggregator == '1':
self.aggregator_key = None
else:
self.aggregator_key = aggregator
self.natcheck = False
send = config['aggregate_forward']
if not send:
self.aggregate_forward = None
else:
sends = send.split(',')
self.aggregate_forward = sends[0]
self.aggregate_password = sends[1] if len(sends) > 1 else None
self.dedicated_seed_id = config['dedicated_seed_id']
self.is_seeded = {}
self.cachetime = 0
self.cachetimeupdate()
def get_forwarded_ip(headers):
x = _get_forwarded_ip(headers)
if not is_valid_ip(x) or x in local_IPs:
return None
return x