def __init__(self, username, bucket, obj, mode):
self.username = username
self.bucket = bucket
self.name = obj
self.mode = mode
self.closed = False
self.total_size = 0
self.temp_file_path = None
self.temp_file = None
ftpserver.log("Creating FaetusFD(%s,%s,%s,%s)" %(username, bucket, obj, mode))
if not all([username, bucket, obj]):
self.closed = True
raise IOError(1, 'Operation not permitted')
try:
self.bucket = operations.connection.get_bucket(self.bucket)
except:
raise IOError(2, 'No such file or directory')
if 'r' in self.mode:
try:
self.obj = self.bucket.get_key(self.name)
except:
raise IOError(2, 'No such file or directory')
else: #write
self.obj = self.bucket.get_key(self.name)
if not self.obj:
# key does not exist, create it
self.obj = self.bucket.new_key(self.name)
# create a temporary file
self.temp_file_path = tempfile.mkstemp()[1]
self.temp_file = open(self.temp_file_path, 'w')
def __init__(self, username, bucket, obj, mode):
self.username = username
self.bucket = bucket
self.name = obj
self.mode = mode
self.closed = False
self.total_size = 0
self.temp_file_path = None
self.temp_file = None
ftpserver.log("Creating FaetusFD(%s,%s,%s,%s)" %
(username, bucket, obj, mode))
if not all([username, bucket, obj]):
self.closed = True
raise IOError(1, 'Operation not permitted')
try:
self.bucket = operations.connection.get_bucket(self.bucket)
except:
raise IOError(2, 'No such file or directory')
if 'r' in self.mode:
try:
self.obj = self.bucket.get_key(self.name)
except:
raise IOError(2, 'No such file or directory')
else: #write
self.obj = self.bucket.get_key(self.name)
if not self.obj:
# key does not exist, create it
self.obj = self.bucket.new_key(self.name)
# create a temporary file
self.temp_file_path = tempfile.mkstemp()[1]
self.temp_file = open(self.temp_file_path, 'w')
def parse_fspath(self, path):
'''Returns a (username, site, filename) tuple. For shorter paths
replaces not-provided values with empty strings.
'''
ftpserver.log("parse_fspath(%s)" % (path))
if not path.startswith(ftp_sep):
raise ValueError('parse_fspath: You have to provide a full path, not %s' % path)
parts = path.split(ftp_sep)[1:]
if len(parts) > 3:
# join extra 'directories' into key
# Conveting os.sep (which was unfortunately introduced by pyftpdlib)
# to cloud_sep
parts = parts[0], parts[1], cloud_sep.join(parts[2:])
while len(parts) < 3:
parts.append('')
return tuple(parts)
def parse_fspath(self, path):
'''Returns a (username, site, filename) tuple. For shorter paths
replaces not-provided values with empty strings.
'''
ftpserver.log("parse_fspath(%s)" % (path))
if not path.startswith(ftp_sep):
raise ValueError(
'parse_fspath: You have to provide a full path, not %s' % path)
parts = path.split(ftp_sep)[1:]
if len(parts) > 3:
# join extra 'directories' into key
# Conveting os.sep (which was unfortunately introduced by pyftpdlib)
# to cloud_sep
parts = parts[0], parts[1], cloud_sep.join(parts[2:])
while len(parts) < 3:
parts.append('')
return tuple(parts)
def transform_username(self, username):
ftpserver.log("transforming username %s" % (username))
if (self.username_transform_map.has_key(username)):
username = self.username_transform_map[username]
ftpserver.log("transformed username to %s" % (username))
return username
def get_home_dir(self, username):
ftpserver.log("get_home_dir(%s(" % (username))
return ftp_sep + self.transform_username(username)
def transform_username(self, username):
ftpserver.log("transforming username %s" % (username))
if (self.username_transform_map.has_key(username)):
username = self.username_transform_map[username]
ftpserver.log("transformed username to %s" % (username))
return username
def get_home_dir(self, username):
ftpserver.log("get_home_dir(%s(" % (username))
return ftp_sep + self.transform_username(username)
if addr is None:
return
handler = None
ip = None
try:
"""
*********************
handler = StreamHandler, which specifies stream_rate for the overall
tcp connection.
*********************
"""
handler = self.handler(sock, self, len(self.handlers), self.stream_rate)
if not handler.connected:
return
ftpserver.log("[]%s:%s Connected." % addr[:2])
ip = addr[0]
self.ip_map.append(ip)
# For performance and security reasons we should always set a
# limit for the number of file descriptors that socket_map
# should contain. When we're running out of such limit we'll
# use the last available channel for sending a 421 response
# to the client before disconnecting it.
if self.max_cons and (len(asyncore.socket_map) > self.max_cons):
print "Connection accepted for max_cons"
sys.stderr.write('ERROR: Connection accepted for max_cons')
handler.handle_max_cons()
return
# accept only a limited number of connections from the same
