def do_LIST(self, path):
try:
_path = self.ftp_path(path)
with self.config.vfs.check_access(path=_path,
user=self._uid,
perms="r"):
listing = self.config.vfs.listdir(_path)
if isinstance(listing, list):
# RFC 959 recommends the listing to be sorted.
listing.sort()
iterator = self.config.vfs.format_list(_path, listing)
self.respond("150 Here comes the directory listing.")
_list_data = get_data_from_iter(iterator)
# Push data to the data channel
self.push_data(_list_data.encode())
# start the command channel
self.start_data_channel()
self.respond(b"226 Directory send OK.")
except FSOperationNotPermitted:
self.respond(b"500 Operation not permitted.")
except (
OSError,
fs.errors.FSError,
FilesystemError,
FTPPrivilegeException,
) as err:
self._log_err(err)
self.respond(b"550 LIST command failed.")
def do_STAT(self, path):
"""If invoked without parameters, returns general status information about the FTP server process.
If a parameter is given, acts like the LIST command, except that data is sent over the command
channel (no PORT or PASV command is required).
"""
# return STATus information about ftp data connection
if not path:
s = list()
s.append('Connected to: {}:{}'.format(self.host, self.port))
if self.authenticated:
s.append('Logged in as: {}'.format(self.username))
else:
if not self.username:
s.append("Waiting for username.")
else:
s.append("Waiting for password.")
if self._current_type == 'a':
_type = 'ASCII'
else:
_type = 'Binary'
s.append("TYPE: {}; STRUcture: File; MODE: Stream".format(_type))
if self._data_sock is not None and self._data_channel is False:
s.append('Passive data channel waiting for connection.')
elif self._data_channel is True:
bytes_sent = self.metrics.data_channel_bytes_send + self.metrics.command_chanel_bytes_send
bytes_recv = self.metrics.command_chanel_bytes_recv + self.metrics.data_channel_bytes_recv
elapsed_time = self.metrics.get_elapsed_time()
s.append('Data connection open:')
s.append('Total bytes sent: {}'.format(bytes_sent))
s.append('Total bytes received: {}'.format(bytes_recv))
s.append('Transfer elapsed time: {} secs'.format(elapsed_time))
else:
s.append('Data connection closed.')
self.respond('211-FTP server status:\r\n')
self.respond(''.join([' {}\r\n'.format(item) for item in s]))
self.respond('211 End of status.')
# return directory LISTing over the command channel
else:
try:
line = self.ftp_path(path)
with self.config.vfs.check_access(path=line, user=self._uid, perms='r'):
if self.config.vfs.isdir(path):
listing = self.config.vfs.listdir(path)
# RFC 959 recommends the listing to be sorted.
listing.sort()
iterator = self.config.vfs.format_list(path, listing)
else:
basedir, filename = os.path.split(path)
self.config.stat(path)
iterator = self.config.vfs.format_list(basedir, [filename])
_status = '213-Status of "{}":\r\n'.format(line)
_status += get_data_from_iter(iterator)
_status += '213 End of status.'
self.respond(_status.encode())
except FSOperationNotPermitted:
self.respond(b'500 Operation not permitted.')
except (OSError, FilesystemError, AssertionError, fs.errors.FSError, FTPPrivilegeException):
self.respond(b'550 STAT command failed.')
def do_LIST(self, path):
try:
_path = self.ftp_path(path)
with self.config.vfs.check_access(path=_path, user=self._uid, perms='r'):
listing = self.config.vfs.listdir(_path)
if isinstance(listing, list):
# RFC 959 recommends the listing to be sorted.
listing.sort()
iterator = self.config.vfs.format_list(_path, listing)
self.respond('150 Here comes the directory listing.')
_list_data = get_data_from_iter(iterator)
# Push data to the data channel
self.push_data(_list_data.encode())
# start the command channel
self.start_data_channel()
self.respond(b'226 Directory send OK.')
except FSOperationNotPermitted:
self.respond(b'500 Operation not permitted.')
except (OSError, fs.errors.FSError, FilesystemError, FTPPrivilegeException) as err:
self._log_err(err)
self.respond(b'550 LIST command failed.')
def do_STAT(self, path):
"""If invoked without parameters, returns general status information about the FTP server process.
If a parameter is given, acts like the LIST command, except that data is sent over the command
channel (no PORT or PASV command is required).
"""
# return STATus information about ftp data connection
if not path:
s = list()
s.append("Connected to: {}:{}".format(self.host, self.port))
if self.authenticated:
s.append("Logged in as: {}".format(self.username))
else:
if not self.username:
s.append("Waiting for username.")
else:
s.append("Waiting for password.")
if self._current_type == "a":
_type = "ASCII"
else:
_type = "Binary"
s.append("TYPE: {}; STRUcture: File; MODE: Stream".format(_type))
if self._data_sock is not None and self._data_channel is False:
s.append("Passive data channel waiting for connection.")
elif self._data_channel is True:
bytes_sent = (self.metrics.data_channel_bytes_send +
self.metrics.command_chanel_bytes_send)
bytes_recv = (self.metrics.command_chanel_bytes_recv +
self.metrics.data_channel_bytes_recv)
elapsed_time = self.metrics.get_elapsed_time()
s.append("Data connection open:")
s.append("Total bytes sent: {}".format(bytes_sent))
s.append("Total bytes received: {}".format(bytes_recv))
s.append("Transfer elapsed time: {} secs".format(elapsed_time))
else:
s.append("Data connection closed.")
self.respond("211-FTP server status:\r\n")
self.respond("".join([" {}\r\n".format(item) for item in s]))
self.respond("211 End of status.")
# return directory LISTing over the command channel
else:
try:
line = self.ftp_path(path)
with self.config.vfs.check_access(path=line,
user=self._uid,
perms="r"):
if self.config.vfs.isdir(path):
listing = self.config.vfs.listdir(path)
# RFC 959 recommends the listing to be sorted.
listing.sort()
iterator = self.config.vfs.format_list(path, listing)
else:
basedir, filename = os.path.split(path)
self.config.stat(path)
iterator = self.config.vfs.format_list(
basedir, [filename])
_status = '213-Status of "{}":\r\n'.format(line)
_status += get_data_from_iter(iterator)
_status += "213 End of status."
self.respond(_status.encode())
except FSOperationNotPermitted:
self.respond(b"500 Operation not permitted.")
except (
OSError,
FilesystemError,
AssertionError,
fs.errors.FSError,
FTPPrivilegeException,
):
self.respond(b"550 STAT command failed.")