-
Notifications
You must be signed in to change notification settings - Fork 0
/
server.py
executable file
·564 lines (390 loc) · 16.6 KB
/
server.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
'''
adapted from https://github.com/Kami/python-twisted-binary-file-transfer-demo
added laer of autoconnect and various other features
'''
import os
import optparse
import hashlib
import json
import datetime
import thread
from twisted.internet import reactor, protocol,defer
from twisted.protocols import basic
from common import COMMANDS,RESPONSE, display_message,log_message ,validate_file_md5_hash, get_file_md5_hash, read_bytes_from_file, clean_and_split_input
import pinger
class Transponder(basic.LineReceiver):
delimiter = '\n'
def connectionMade(self):
self.authenticated = False
self.file_handler = None
self.file_data = ()
self.sync = 0 # by default of
self.file_outbox = []
self.osType = None
self.ip = self.transport.getPeer().host
self.port = self.transport.getPeer().port
self.nick = 'user'+self.ip[:6]+'$$'+str(self.port) # temporary nick
self.factory.onlineClients.append(self)
self.transport.write('-- SHARE-PY --ver 1.2 \n')
self.transport.write('-- CREDITS -- cyberslicks \n')
self.transport.write('-- copyright (c) 2013 \n')
self.transport.write('Type help for list of all the available commands\n')
self.transport.write('Welcome\n')
self.transport.write('Type help for list of all the available commands\n')
self.transport.write('ENDMSG\n')
display_message(' New client added : %s (%s), (%d clients total)' % (self.nick , self.transport.getPeer().host, len(self.factory.onlineClients)))
log_message(' New client added : %s (%s), (%d clients total)' % (self.nick , self.transport.getPeer().host, len(self.factory.onlineClients)),self.factory.log)
def connectionLost(self, reason):
self.factory.onlineClients.remove(self)
self.file_handler = None
self.file_data = ()
display_message('Connection from %s (%s) lost (%d clients left)' % (self.nick,self.transport.getPeer().host, len(self.factory.onlineClients)))
log_message('Connection from %s (%s) lost (%d clients left)' % (self.nick,self.transport.getPeer().host, len(self.factory.onlineClients)),self.factory.log)
def lineReceived(self, line):
data = self._cleanAndSplitInput(line)
if len(data) == 0 or data == '':
return
command = data[0].lower()
display_message('Received the following command from the client %s ,[%s]: %s' % (self.nick,self.ip, command))
log_message('Received the following command from the client %s ,[%s]: %s' % (self.nick,self.ip, command),self.factory.log)
if not ((command in COMMANDS) or (command in RESPONSE)) :
self.transport.write('Invalid command\n')
self.transport.write('ENDMSG\n')
return
if command == 'list':
self._send_list_of_files()
if command == 'finger':
if not self.authenticated :
self.transport.write('Please authenitcate using "nick identify" before using file transfer \n')
self.transport.write('ENDMSG\n')
return
try:
nickname = data[1]
except IndexError:
self.transport.write('Missing nickname\n')
self.transport.write('ENDMSG\n')
return
for user in self.factory.onlineClients :
if user.nick == nickname :
self.transport.write('-- INFORMATION -- \n')
self.transport.write('Nickname : %s \n'%(nickname))
self.transport.write('IP : %s \n'%(user.ip))
self.transport.write('PORT : %d \n'%(user.port))
self.transport.write('OS : %s \n'%(user.osType.split('#')[0]))
self.transport.write('Platform : %s \n'%(user.osType.split('#')[1]))
self.transport.write('ENDMSG\n')
return
self.transport.write('Nickname not found\n')
self.transport.write('ENDMSG\n')
elif command =='platform':
print data[1]
self.osType = data[1]
elif command == 'get':
if not self.authenticated :
self.transport.write('Please authenitcate using "nick identify" before using file transfer \n')
self.transport.write('ENDMSG\n')
return
try:
filename = data[1]
except IndexError:
self.transport.write('Missing filename\n')
self.transport.write('ENDMSG\n')
return
if not self.factory.files:
self.factory.files = self._get_file_list()
if not filename in self.factory.files:
self.transport.write('File with filename %s does not exist\n' % (filename))
self.transport.write('ENDMSG\n')
return
display_message('%s : Sending file: %s (%d KB)' % (self.nick,filename, self.factory.files[filename][1] / 1024))
log_message('%s : Sending file: %s (%d KB)' % (self.nick,filename, self.factory.files[filename][1] / 1024),self.factory.log)
self.transport.write('HASH %s %s\n' % (filename, self.factory.files[filename][2]))
self.setRawMode()
for bytes in read_bytes_from_file(os.path.join(self.factory.files_path, filename)):
self.transport.write(bytes)
self.transport.write('\r\n')
self.setLineMode()
elif command == 'put':
if not self.authenticated :
self.transport.write('Please authenitcate using "nick identify" before using file transfer \n')
self.transport.write('ENDMSG\n')
return
try:
filename = data[1]
file_hash = data[2]
except IndexError:
self.transport.write('Missing filename or file MD5 hash\n')
self.transport.write('ENDMSG\n')
return
self.file_data = (filename, file_hash)
# Switch to the raw mode (for receiving binary data)
print 'Receiving file: %s' % (filename)
self.setRawMode()
elif command == "people" :
self._send_online_clients()
elif command == "sync" :
self.factory.files = self._get_file_list()
self.sync = 1
if not self.authenticated :
self.transport.write('Please authenitcate using "nick identify" before using sync \n')
self.transport.write('ENDMSG\n')
return
now = datetime.datetime.now()
self.transport.write('Initiating sync \n')
self.transport.write('ENDMSG\n')
display_message('initiating sync with %s(%s) : %s ' % (self.nick,self.ip,now.strftime("%Y-%m-%d %H:%M")))
log_message('initiating sync with %s(%s) : %s ' % (self.nick,self.ip,now.strftime("%Y-%m-%d %H:%M")),self.factory.log)
#self.transport.write('Initiating sync\n')
#self.transport.write('ENDMSG\n')
try:
cfiles = data[1].split('#')
except IndexError:
cfiles = []
sfiles = [ f for f in os.listdir(self.factory.files_path) if os.path.isfile(os.path.join(self.factory.files_path,f)) ]
file_outbox = []
for file in sfiles :
if file not in cfiles :
self.file_outbox.append(file)
no_of_files = len(self.file_outbox)
self.transport.write('Sending %d files\n'%(no_of_files))
self.transport.write('ENDMSG\n')
if no_of_files == 0 :
self.sync = 0
self.transport.write('Folders are in sync \n')
self.transport.write('ENDMSG\n')
return
file = self.file_outbox.pop()
#self.sendFile(file)
display_message('%s : Sending file: %s (%d KB)' % (self.nick,file, self.factory.files[file][1] / 1024))
log_message('%s : Sending file: %s (%d KB)' % (self.nick,file, self.factory.files[file][1] / 1024),self.factory.log)
self.transport.write('HASH %s %s\n' % (file, self.factory.files[file][2]))
self.setRawMode()
for bytes in read_bytes_from_file(os.path.join(self.factory.files_path, file)):
self.transport.write(bytes)
self.transport.write('\r\n')
self.setLineMode()
'''
@defer.inlineCallbacks
def _sync():
for file in file_outbox :
display_message('%s : Sending file: %s (%d KB)' % (self.nick,file, self.factory.files[file][1] / 1024))
log_message('%s : Sending file: %s (%d KB)' % (self.nick,file, self.factory.files[file][1] / 1024),self.factory.log)
yield sendFile(file)
_sync()
'''
#self.transport.write('ENDMSG\n')
elif command == 'nick':
subcommand = data[1]
if not (subcommand and data[2] and data[3]) :
self.transport.write('Missing nickname and/or password\n')
self.transport.write('ENDMSG\n')
else :
if data[1] == "reg" :
self._register(data[2],data[3])
elif data[1] == "identify" :
self._identify(data[2],data[3])
else :
self.transport.write('unknown subcommand %s to nick\n' % (data[1]))
self.transport.write('ENDMSG\n')
elif command == 'recv' :
now = datetime.datetime.now()
display_message('%s : File recieved - %s' % (self.nick,data[1]))
log_message('%s : File recieved - %s' % (self.nick,data[1]),self.factory.log)
if self.sync == 1 :
no_of_files = len(self.file_outbox)
if no_of_files != 0 :
file = self.file_outbox.pop()
self.transport.write('HASH %s %s\n' % (file, self.factory.files[file][2]))
self.setRawMode()
for bytes in read_bytes_from_file(os.path.join(self.factory.files_path, file)):
self.transport.write(bytes)
self.transport.write('\r\n')
self.setLineMode()
#self.sendFile(file)
else :
display_message('terminating sync with %s(%s) : %s ' % (self.nick,self.ip,now.strftime("%Y-%m-%d %H:%M")))
log_message(' sync with %s(%s) : %s ' % (self.nick,self.ip,now.strftime("%Y-%m-%d %H:%M")),self.factory.log)
#self.transport.write('Terminating sync\n')
self.setLineMode()
self.transport.write('Sync complete\n')
self.transport.write('ENDMSG\n')
#self.transport.write('ENDMSG\n')
self.sync = 0
elif command == 'search':
self.factory.search_request = 1
self.factory.responses = 0
self.factory.requester = self
for user in self.factory.onlineClients :
if user.nick != self.nick :
user.transport.write('SEARCH-REQUEST %s\n'%(data[1]))
else :
user.transport.write('ENDMSG\n')
elif command == 'sresponse':
if self.factory.search_request == 1 :
self.factory.responses+=1
found = data[1]
print data
if found == 'true' :
tupple = (self.nick,self.ip)
self.factory.search_dump.append(tupple)
if self.factory.responses >= len(self.factory.onlineClients) - 1:
self.factory.requester.setLineMode()
if len(self.factory.search_dump) == 0 :
self.factory.requester.transport.write('File not found \n')
self.factory.requester.transport.write('ENDMSG\n')
else :
self.factory.requester.transport.write('File found in following clients \n')
for user in self.factory.search_dump :
self.factory.requester.transport.write('%s - %s\n'%(user[0],user[1]))
self.factory.requester.transport.write('ENDMSG\n')
self.factory.search_request = 0
self.factory.requester = None
elif command == 'help':
self.transport.write('Available commands:\n\n')
for key, value in COMMANDS.iteritems():
self.transport.write('%s - %s\n' % (value[0], value[1]))
self.transport.write('ENDMSG\n')
elif command == 'quit':
self.transport.loseConnection()
def rawDataReceived(self, data):
filename = self.file_data[0]
file_path = os.path.join(self.factory.files_path, filename)
display_message('%s : Receiving file chunk (%d KB)' % (self.nick,len(data)))
log_message('%s : Receiving file chunk (%d KB)' % (self.nick,len(data)),self.factory.log)
if not self.file_handler:
self.file_handler = open(file_path, 'wb')
if data.endswith('\r\n'):
# Last chunk
data = data[:-2]
self.file_handler.write(data)
self.setLineMode()
self.file_handler.close()
self.file_handler = None
if validate_file_md5_hash(file_path, self.file_data[1]):
self.transport.write('File was successfully transfered and saved\n')
self.transport.write('ENDMSG\n')
display_message('%s : File %s has been successfully transfered' % (self.nick,filename))
log_message('%s : File %s has been successfully transfered' % (self.nick,filename),self.factory.log)
else:
os.unlink(file_path)
self.transport.write('File was successfully transfered but not saved, due to invalid MD5 hash\n')
self.transport.write('ENDMSG\n')
display_message('%s : File %s has been successfully transfered, but deleted due to invalid MD5 hash' % (self.nick,filename))
log_message('%s File %s has been successfully transfered, but deleted due to invalid MD5 hash' % (self.nick,filename),self.factory.log)
else:
self.file_handler.write(data)
def _send_list_of_files(self):
files = self._get_file_list()
self.factory.files = files
self.transport.write('Files (%d): \n\n' % len(files))
for key, value in files.iteritems():
self.transport.write('- %s (%d.2 KB)\n' % (key, (value[1] / 1024.0)))
self.transport.write('ENDMSG\n')
def _send_online_clients(self):
self.transport.write('--List of Online clients--\n')
for x in self.factory.onlineClients:
self.transport.write(str(x.nick)+'\n')
self.transport.write('ENDMSG\n')
def _get_file_list(self):
""" Returns a list of the files in the specified directory as a dictionary:
dict['file name'] = (file path, file size, file md5 hash)
"""
file_list = {}
for filename in os.listdir(self.factory.files_path):
file_path = os.path.join(self.factory.files_path, filename)
if os.path.isdir(file_path):
continue
file_size = os.path.getsize(file_path)
md5_hash = get_file_md5_hash(file_path)
file_list[filename] = (file_path, file_size, md5_hash)
return file_list
def _register(self,nick,passw):
if nick in self.factory.users.keys() :
self.transport.write('NICK UNAVAILABLE\n')
self.transport.write('ENDMSG\n')
else :
self.nick = nick
m = hashlib.md5()
m.update(passw)
passw = m.hexdigest()
self.factory.users[nick] = passw
self.transport.write('Nick %s is succesfully registered\n'%(nick))
self.transport.write('ENDMSG\n')
def _identify(self,nick,passw):
m = hashlib.md5()
m.update(passw)
passw = m.hexdigest()
if nick in self.factory.users.keys() :
if(self.factory.users[nick] == passw) :
self.authenticated = True
self._updateNick(nick)
self.nick = nick
self.transport.write('You are now identified as %s\n'%(nick))
self.transport.write('ENDMSG\n')
else:
self.transport.write('Indentification failure : Incorrect password %s\n'%(nick))
self.transport.write('ENDMSG\n')
else :
self.transport.write('Indentification failure : Incorrect nick %s\n'%(nick))
self.transport.write('ENDMSG\n')
def _updateNick(self,nick):
for client in self.factory.onlineClients :
if client == self:
client.nick = nick
def sendFile(self,file) :
self.transport.write('HASH %s %s\n' % (file, self.factory.files[file][2]))
self.setRawMode()
for bytes in read_bytes_from_file(os.path.join(self.factory.files_path, file)):
self.transport.write(bytes)
self.transport.write('\r\n')
self.setLineMode()
def _cleanAndSplitInput(self, input):
input = input.strip()
input = input.split(' ')
return input
class TransponderFactory(protocol.ServerFactory):
protocol = Transponder
def __init__(self, files_path):
print 'Server Initialized'
self.files_path = files_path
self.onlineClients = []
self.users = {}
self.files = None
self.search_dump = []
self.search_request = 0
self.responses = 0
self.requester = None
def startFactory(self):
try:
self.userdb = open("user.db","rb")
self.users = json.load(self.userdb)
self.userdb.close()
except IOError:
self.userdb = None
self.users = {}
now = datetime.datetime.now()
if(not os.path.isdir('./logs')) :
os.makedirs('./logs')
self.log = open('logs/serverlog-%s.log'%(now.strftime("%Y-%m-%d %H:%M")),'wb')
def stopFactory(self) :
self.userdb = open("user.db","wb")
json.dump(self.users,self.userdb)
self.userdb.close()
self.log.close()
display_message('Bye Bye! \n')
def initiate():
ser = pinger.Server(10999,'root')
ser.pingClients()
if __name__ == '__main__':
parser = optparse.OptionParser()
parser.add_option('-p', '--port', action = 'store', type = 'int', dest = 'port', default = 11000, help = 'server listening port')
parser.add_option('--path', action = 'store', type = 'string', default = "./transfers",dest = 'path', help = 'directory where the incoming files are saved')
(options, args) = parser.parse_args()
if(not os.path.isdir(options.path)) :
os.makedirs(options.path)
display_message(' --- PYSHARE --- \n version - 1.1')
display_message('copyright (c) psych0der')
display_message('Listening on port %d, serving files from directory: %s' % (options.port, options.path))
thread.start_new_thread(initiate,())
reactor.listenTCP(options.port, TransponderFactory(options.path))
reactor.run()