summaryrefslogtreecommitdiff
path: root/fbin.py
blob: e1c185361d007b55041c5c63e1fdef24e6cdfc9c (plain)
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
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
#!/usr/bin/env python2

import templates
import settings, db, os, random, datetime, mimetypes, cgi, tempfile, hashlib, Cookie, urllib, subprocess, json
from PIL import Image
import jab.client

base62_alphabet = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
rfc1123_format = '%a, %d %b %Y %H:%M:%S +0000'
rfc1123_format_tzname = '%a, %d %b %Y %H:%M:%S %Z'

if not os.path.isdir(settings.file_directory):
	os.mkdir(settings.file_directory)

if not os.path.isdir(settings.thumb_directory):
	os.mkdir(settings.thumb_directory)

try:
	# Throws OSError if mogrify doesn't exist.
	subprocess.call(['mogrify', '-quiet'])
except OSError:
	has_mogrify = False
else:
	has_mogrify = True

class BinError(Exception): pass
class InvalidCookieError(BinError): pass
class InactiveLoginError(BinError): pass

class FileUploadFieldStorage(cgi.FieldStorage):
	def make_file(self, binary = None):
		# Make a temporary file in the destination directory, which will be renamed on completion.
		return tempfile.NamedTemporaryFile(prefix = 'upload_', dir = settings.file_directory, delete = True)

class Application(object):
	def get_or_create_user(self, username, jab_id):
		session = db.Session()
		try:
			return session.query(db.User).filter(db.User.jab_id == jab_id).one()
		except db.NoResultFound:
			try:
				user = db.User(username, jab_id)
				session.add(user)
				session.commit()
				session.refresh(user)
				return user
			except db.IntegrityError:
				return None
		finally:
			session.close()

	def get_user_by_jab_id(self, jab_id):
		session = db.Session()
		try:
			return session.query(db.User).filter(db.User.jab_id == jab_id).one()
		except db.NoResultFound:
			return None
		finally:
			session.close()

	def get_user_by_id(self, uid):
		session = db.Session()
		try:
			return session.query(db.User).filter(db.User.id == uid).one()
		except db.NoResultFound:
			return None
		finally:
			session.close()

	def get_file(self, hash, update_accessed = False):
		session = db.Session()
		try:
			f = session.query(db.File).filter(db.File.hash == hash).one()
			if update_accessed:
				f.accessed = datetime.datetime.utcnow()
				session.add(f)
				session.commit()
				# Refresh after field update.
				session.refresh(f)
			return f
		except db.NoResultFound:
			return None
		finally:
			session.close()

	def add_file(self, path, filename, file_hash, user = None, ip = None):
		hash = ''.join(random.choice(base62_alphabet) for x in xrange(5))
		new_path = os.path.join(settings.file_directory, hash + os.path.splitext(filename)[1])
		os.rename(path, new_path)
		if hasattr(settings, 'destination_mode'):
			os.chmod(new_path, settings.destination_mode)

		session = db.Session()
		try:
			file = db.File(hash, file_hash, filename, datetime.datetime.utcnow(), user.id if user else None, ip)
			session.add(file)
			session.commit()
		finally:
			session.close()
		
		return hash

	def get_files(self, user):
		session = db.Session()
		try:
			session.add(user)
			files = user.files
		except db.NoResultFound:
			return []
		finally:
			session.close()

		return files

	def validate_cookie(self, environ):
		cookie = Cookie.SimpleCookie(environ['HTTP_COOKIE'] if 'HTTP_COOKIE' in environ else None)
		if not cookie or not 'token' in cookie:
			return

		token = cookie['token'].value
		try:
			user = self.jab.get_user_by_token(token, settings.jab_identifier, environ['REMOTE_ADDR'])
			user = self.get_user_by_id(user['token_data']['user_id'])
		except jab.client.InvalidCredentialsError:
			user = None
		return user

	def get_file_by_file_hash(self, file_hash):
		session = db.Session()
		try:
			return session.query(db.File).filter(db.File.file_hash == file_hash).one()
		except db.NoResultFound:
			return None
		finally:
			session.close()

	def delete_file(self, file):
		session = db.Session()
		try:
			session.delete(file)
			session.commit()
			os.unlink(file.get_path())
			thumbfile = os.path.join(settings.thumb_directory, file.hash + '.jpg')
			if os.path.exists(thumbfile):
				os.unlink(thumbfile)
		except:
			raise
		finally:
			session.close()

	def redirect(self, environ, start_response, dest):
		start_response('302 Found', [('Location', settings.virtual_root + dest)])
		return []

	def not_modified(self, environ, date):
		if not 'HTTP_IF_MODIFIED_SINCE' in environ:
			return False
		try:
			mod_since_date = datetime.datetime.strptime(environ['HTTP_IF_MODIFIED_SINCE'], rfc1123_format)
		except ValueError:
			# some clients use timezone names (eg. GMT) instead of numeric timezones
			mod_since_date = datetime.datetime.strptime(environ['HTTP_IF_MODIFIED_SINCE'], rfc1123_format_tzname)
		return date == mod_since_date

	def file(self, environ, start_response, path):
		hash = path[1]
		if '.' in hash:
			hash = hash.split('.')[0]
		file = self.get_file(hash, True)
		filename = file.get_path() if file else None
		if file == None or filename == None:
			start_response('404 Not Found', [('Content-Type', 'text/html')])
			return ['<h1>Not Found</h1><p>The file you requested does not exist.</p>']

		# strip microseconds
		if self.not_modified(environ, file.date - datetime.timedelta(microseconds = file.date.microsecond)):
			start_response('304 Not Modified', [('Last-Modified', file.date.strftime(rfc1123_format))])
			return []

		do_range = 'HTTP_RANGE' in environ
		if do_range:
			file_range = environ['HTTP_RANGE'].split('bytes=')[1]

		mime = mimetypes.guess_type(file.filename, strict = False)[0] or 'application/octet-stream'

		# X-Sendfile handling
		if settings.use_xsendfile:
			headers = [('Content-Type', mime), ('Last-Modified', file.date.strftime(rfc1123_format))]
			if do_range:
				headers.append(('X-Sendfile2', '{filename} {range}'.format(filename = urllib.quote(filename.encode('utf8')), range = file_range)))
				if file_range.endswith('-'):
					file_range += str(os.path.getsize(filename)-1)
				headers.append(('Content-Range', 'bytes {range}/{size}'.format(range = file_range, size = os.path.getsize(filename))))
				status = '206 Partial Content'
			else:
				headers.append(('X-Sendfile', filename.encode('utf8')))
				status = '200 OK'
			start_response(status, headers)
			return []

		# Range handling
		if do_range:
			start, end = [int(x or 0) for x in file_range.split('-')]
			size = os.path.getsize(filename)

			if end == 0:
				end = size-1

			write_out = start_response('206 Partial Content', [('Content-Type', mime),
				('Content-Range', 'bytes {start}-{end}/{size}'.format(start = start, end = end, size = size)),
				('Content-Length', str(end - start + 1)), ('Last-Modified', file.date.strftime(rfc1123_format))])

			f = open(filename, 'rb')
			f.seek(start)
			remaining = end-start+1
			s = f.read(min(remaining, 1024))
			while s:
				write_out(s)
				remaining -= len(s)
				s = f.read(min(remaining, 1024))
			return []

		start_response('200 OK', [('Content-Type', mime), ('Content-Length', str(os.path.getsize(filename))),
			('Last-Modified', file.date.strftime(rfc1123_format))])
		return open(filename, 'rb')

	def upload(self, environ, start_response, path):
		user = self.validate_cookie(environ)
		tempfile.tempdir = settings.file_directory
		form = FileUploadFieldStorage(fp = environ['wsgi.input'], environ = environ)
		if environ['REQUEST_METHOD'] != 'POST' or not 'file' in form or not 'filename' in form:
			if user or settings.allow_anonymous_uploads:
				start_response('200 OK', [('Content-Type', 'text/html')])
				return [str(templates.upload(searchList = {'settings': settings, 'user': user}))]
			else:
				return self.redirect(environ, start_response, 'l')

		if not user and not settings.allow_anonymous_uploads:
			form['file'].file.delete = True
			start_response('403 Forbidden', [('Content-Type', 'text/plain')])
			return ['Anonymous uploads are disabled by the administrator.']

		filename = form.getvalue('filename')
		temp = form['file'].file
		temp.delete = False

		# If the name attribute is missing, assume this is a StringIO object, then create a new temporary file and copy the contents.
		if not hasattr(temp, 'name'):
			new_temp = tempfile.NamedTemporaryFile(prefix = 'upload_', dir = settings.file_directory, delete = False)
			new_temp.write(temp.getvalue())
			new_temp.seek(0)
			temp = new_temp

		m = hashlib.md5()
		s = temp.read(128)
		while len(s):
			m.update(s)
			s = temp.read(128)
		temp.close()
		file_hash = m.hexdigest()

		f = self.get_file_by_file_hash(file_hash)
		# TODO: Currently users uploading existing files won't get their files added to their account.
		if f:
			hash = f.hash
		else:
			# temp.name will be moved to the destination filename
			hash = self.add_file(temp.name, filename, file_hash, user, environ['REMOTE_ADDR'])
			# This avoids silly "not bound to a Session" errors when trying to use a newly added file object.
			f = self.get_file(hash)

		# If temp.name still exists, we most likely uploaded a file whose file hash already exists, so just delete the file.
		if os.path.exists(temp.name):
			os.unlink(temp.name)

		mime = f.get_mime_type()
		# TODO: Apparently TIFF also supports EXIF, test this.
		if has_mogrify and mime == 'image/jpeg':
			# NOTE: PIL doesn't support lossless rotation, so we call mogrify to do this.
			# NOTE: This changes the file, so the file_hash applies to the ORIGINAL file contents only.
			# NOTE: The file hash is only used to detect duplicates when uploading, so this should not be a problem.
			subprocess.call(['mogrify', '-auto-orient', f.get_path()])

		if 'api' in form:
			start_response('200 OK', [('Content-Type', 'text/plain')])
			return ['OK {hash}'.format(hash = hash)]
		else:
			start_response('200 OK', [('Content-Type', 'text/html')])
			return [str(templates.uploaded(searchList = {
				'settings': settings,
				'user': user,
				'hash': hash,
				'filename': filename,
				'ext': os.path.splitext(filename)[1],
				'scheme': environ['wsgi.url_scheme'],
				'host': environ['HTTP_HOST'],
			}))]

	def login(self, environ, start_response, path):
		user = self.validate_cookie(environ)
		form = cgi.FieldStorage(fp = environ['wsgi.input'], environ = environ)
		if not user and not 'request_token' in form and not 'verified' in form:
			from urlparse import urljoin
			request_token = self.jab.generate_request_token(settings.jab_identifier, settings.jab_name,
					urljoin('%s://%s' % (environ['wsgi.url_scheme'], environ['HTTP_HOST']), environ['PATH_INFO']))
			if isinstance(request_token, unicode):
				request_token = request_token.encode('utf-8')
			start_response('302 Found', [('Location', urljoin(settings.jab_web_url, 'verify/' + request_token))])
			return []
		if 'request_token' in form and 'verified' in form:
			if form.getvalue('verified') == '0':
				start_response('200 OK', [('Content-Type', 'text/html')])
				return [str(templates.login(searchList = {
					'settings': settings,
					'user': None,
					'error': 'Login was declined.',
					'loggedin': False,
					'next': form.getvalue('next'),
				}))]
			request_token = form.getvalue('request_token')
			try:
				token = self.jab.request_user_token(request_token, settings.jab_identifier, settings.jab_name)
				jab_user = self.jab.get_user_by_token(token, settings.jab_identifier, environ['REMOTE_ADDR'])
			except jab.client.InvalidCredentialsError:
				start_response('200 OK', [('Content-Type', 'text/html')])
				return [str(templates.login(searchList = {
					'settings': settings,
					'user': None,
					'error': 'Failed to request login: invalid token or user.',
					'loggedin': False,
					'next': form.getvalue('next'),
				}))]
			user = self.get_or_create_user(jab_user['username'], jab_user['_id'])
			if not user:
				start_response('500 Internal Server Error', [])
				return []
			self.jab.set_token_data(token, settings.jab_identifier, {'user_id': user.id})
			c = Cookie.SimpleCookie()
			c['token'] = token
			start_response('200 OK', [
				('Content-Type', 'text/html'),
				('Set-Cookie', c['token'].OutputString())
			])
			return [str(templates.login(searchList = {
				'settings': settings,
				'user': user,
				'error': None,
				'loggedin': True,
				'next': form.getvalue('next'),
			}))]

		if user:
			rememberme = 'rememberme' in form
			forever = 'forever' in form

			cookie = Cookie.SimpleCookie(environ['HTTP_COOKIE'])
			token = cookie['token'].value
			c = Cookie.SimpleCookie()
			c['token'] = token

			dt = datetime.datetime.utcnow() + datetime.timedelta(days = 30)
			expires = dt.strftime('%a, %d-%b-%y %H:%M:%S GMT')
			if rememberme:
				c['token']['expires'] = expires
				if forever:
					c['forever'] = 1
					c['forever']['expires'] = expires

			# FIXME: This field is lost when we redirect to jab.
			next = form.getvalue('next')
			headers = [
				('Location', next if next else (settings.virtual_root + 'u')),
				('Set-Cookie', c['token'].OutputString())]
			if 'forever' in c:
				headers.append(('Set-Cookie', c['forever'].OutputString()))
			start_response('302 Found', headers)
			return []

		start_response('404 Not Found', [])
		return []

	def register(self, environ, start_response, path):
		start_response('302 Found', [('Location', settings.jab_web_url + 'register')])
		return []

	def logout(self, environ, start_response, path):
		c = Cookie.SimpleCookie(environ['HTTP_COOKIE'] if 'HTTP_COOKIE' in environ else None)
		if c and 'token' in c:
			try:
				self.jab.expire_user_token(c['token'].value, settings.jab_identifier)
			except:
				pass

		c = Cookie.SimpleCookie()
		expires = datetime.datetime.utcfromtimestamp(0).strftime('%a, %d-%b-%y %H:%M:%S GMT')
		c['forever'] = 0
		c['forever']['expires'] = expires
		c['token'] = 0
		c['token']['expires'] = expires
		start_response('302 Found', [
			('Set-Cookie', c['forever'].OutputString()),
			('Set-Cookie', c['token'].OutputString()),
			('Location', settings.virtual_root)])
		return []

	def changepass(self, environ, start_response, path):
		start_response('302 Found', [('Location', settings.jab_web_url + 'changepass')])
		return []

	def static(self, environ, start_response, path):
		filename = path[1]
		if not filename in ('style.css', 'no-thumbnail.png', 'favicon.ico', 'jquery-2.1.0.min.js', 'jquery.lazy.min.js'):
			start_response('404 Not Found', [])
			return []

		filepath = os.path.join(settings.static_root, filename)
		if not os.path.exists(filepath):
			start_response('404 Not Found', [])
			return []
		mime = mimetypes.guess_type(filename, strict = False)[0] or 'application/octet-stream'
		start_response('200 OK', [('Content-Type', mime)])
		return open(filepath, 'rb')

	def help(self, environ, start_response, path):
		user = self.validate_cookie(environ)
		start_response('200 OK', [('Content-Type', 'text/html')])
		return [str(templates.help(searchList = {
			'settings': settings,
			'user': user,
			'scheme': environ['wsgi.url_scheme'],
			'host': environ['HTTP_HOST'],
		}))]

	def my_files(self, environ, start_response, path):
		user = self.validate_cookie(environ)
		if user == None:
			start_response('302 Found', [('Location', settings.virtual_root + 'l?' + urllib.urlencode({'next': settings.virtual_root + 'm'}))])
			return []
		files = self.get_files(user)
		start_response('200 OK', [('Content-Type', 'text/html')])
		return [str(templates.my(searchList = {
			'settings': settings,
			'user': user,
			'files': files,
			'total_size': db.File.pretty_size(sum([f.get_size() for f in files])),
		}))]

	def images(self, environ, start_response, path):
		user = self.validate_cookie(environ)
		if user == None:
			start_response('302 Found', [('Location', settings.virtual_root + 'l?' + urllib.urlencode({'next': settings.virtual_root + 'i'}))])
			return []
		files = [f for f in self.get_files(user) if f.is_image()]
		start_response('200 OK', [('Content-Type', 'text/html')])
		return [str(templates.images(searchList = {
			'settings': settings,
			'user': user,
			'files': files,
			'total_size': db.File.pretty_size(sum([f.get_size() for f in files])),
		}))]

	def thumb(self, environ, start_response, path):
		hash = path[1]
		thumbfile = os.path.join(settings.thumb_directory, hash + '.jpg')
		if not os.access(thumbfile, os.F_OK):
			file = self.get_file(hash)
			try:
				im = Image.open(file.get_path())
			except IOError:
				# We can't generate a thumbnail for this file, just say it doesn't exist.
				start_response('404 Not Found', [])
				return []
			# Check for valid JPEG modes.
			if im.mode not in ('1', 'L', 'RGB', 'RGBA', 'RGBX', 'CMYK', 'YCbCr'):
				im = im.convert('RGB')
			im.thumbnail(settings.thumb_size, Image.ANTIALIAS)
			im.save(thumbfile)

		date = datetime.datetime.utcfromtimestamp(os.path.getmtime(thumbfile))
		if self.not_modified(environ, date):
			start_response('304 Not Modified', [('Last-Modified', date.strftime(rfc1123_format))])
			return []

		start_response('200 OK', [('Content-Type', 'image/jpeg'), ('Last-Modified', date.strftime(rfc1123_format))])
		return open(thumbfile, 'rb')

	def delete(self, environ, start_response, path):
		user = self.validate_cookie(environ)
		if user == None:
			start_response('200 OK', [('Content-Type', 'text/html')])
			return ['Not logged in.']
		hash = path[1]
		file = self.get_file(hash)
		if file == None:
			start_response('404 Not Found', [('Content-Type', 'text/html')])
			return ['<h1>Not Found</h1><p>The file you requested does not exist.</p>']
		if file.user_id != user.id:
			start_response('403 Forbidden', [('Content-Type', 'text/html')])
			return ['<h1>Forbidden</h1><p>You are not allowed to delete this file.</p>']
		if environ['REQUEST_METHOD'] == 'POST':
			try:
				self.delete_file(file)
			except Exception as e:
				start_response('500 Internal Error', [('Content-Type', 'text/html')])
				return ['Failed to delete file {filename} ({error}).'.format(filename = file.filename, error = str(e))]
			else:
				start_response('302 Found', [('Location', settings.virtual_root + 'u')])
				return []
		else:
			start_response('200 OK', [('Content-Type', 'text/html')])
			return [str(templates.delete(searchList = {
				'settings': settings,
				'user': user,
				'hash': hash,
				'filename': file.filename,
			}))]

	def api(self, environ, start_response, path):
		def error(msg):
			start_response('200 OK', [('Content-Type', 'application/json')])
			return [json.dumps({'status': False, 'message': msg})]
		user = self.validate_cookie(environ)
		form = cgi.FieldStorage(fp = environ['wsgi.input'], environ = environ)
		method = form.getvalue('method')
		data = {'status': False, 'method': method, 'message': None}
		if method in ('list', 'images'):
			if user == None:
				return error('Not logged in')
			files = self.get_files(user)
			data['files'] = [
				{
					'name': f.filename,
					'hash': f.hash,
					'date': int(f.date.strftime('%s')),
					'size': f.get_size(),
				}
				for f in files if method == 'list' or (method == 'images' and f.is_image())
			]
			data['status'] = True
		elif method == 'get_token':
			try:
				token = self.jab.generate_user_token(form['username'].value, form['password'].value, settings.jab_identifier, '%s (API)' % settings.jab_name)
				jab_user = self.jab.get_user_by_token(token, settings.jab_identifier, environ['REMOTE_ADDR'])
				user = self.get_or_create_user(jab_user['username'], jab_user['_id'])
				if not user:
					return error('Error fetching user data')
				self.jab.set_token_data(token, settings.jab_identifier, {'user_id': user.id})
			except:
				return error('Invalid credentials')
			data['token'] = token
			data['status'] = True
		elif method == 'expire_token':
			try:
				self.jab.expire_token(form['token'].value, settings.jab_identifier)
			except:
				pass
			data['status'] = True
		elif method == 'test_token':
			try:
				user = self.jab.get_user_by_token(form['token'].value, settings.jab_identifier, environ['REMOTE_ADDR'])
			except jab.client.InvalidCredentialsError:
				return error('Invalid token')
			except:
				return error('Error fetching user data')
			data['status'] = True
		else:
			data['message'] = 'Unknown method "%s"' % method
		start_response('200 OK', [('Content-Type', 'application/json')])
		return [json.dumps(data)]

	f = file
	u = upload
	l = login
	s = static
	h = help
	m = my_files
	i = images
	t = thumb
	o = logout
	r = register
	c = changepass
	d = delete
	a = api

	def __init__(self):
		self.jab = jab.client.JabClient(settings.jab_socket)

	def __call__(self, environ, start_response):
		def never_forget_wrapper(status, headers, exc_info = None):
			c = Cookie.SimpleCookie(environ['HTTP_COOKIE'] if 'HTTP_COOKIE' in environ else None)
			if 'forever' in c and c['forever'].value == '1' and not any(x[0] == 'Set-Cookie' for x in headers):
				dt = datetime.datetime.utcnow() + datetime.timedelta(days = 30)
				expires = dt.strftime('%a, %d-%b-%y %H:%M:%S GMT')
				for k in c.keys():
					c[k]['path'] = settings.virtual_root
					c[k]['expires'] = expires
					headers.append(('Set-Cookie', c[k].OutputString()))
			return start_response(status, headers, exc_info)
		try:
			path = environ['PATH_INFO'].split('/')[1:]
			module = path[0] if len(path) else ''
			if len(module) and module in 'fulshmitorcda':
				return getattr(self, module)(environ, never_forget_wrapper, path)
			elif path == ['favicon.ico']:
				return self.static(environ, start_response, ['s'] + path)
			else:
				start_response('302 Found', [('Location', settings.virtual_root + 'u')])
				return []
		except (InactiveLoginError, InvalidCookieError):
			return self.logout(environ, start_response, path)

if __name__ == '__main__':
	import sys
	if len(sys.argv) == 3:
		from flup.server.fcgi import WSGIServer
		WSGIServer(Application(), bindAddress = (sys.argv[1], int(sys.argv[2]))).run()
	else:
		from wsgiref.simple_server import make_server, WSGIServer
		# enable IPv6
		WSGIServer.address_family |= 10
		http = make_server('', 8000, Application())
		http.serve_forever()

# vim: noet ts=4