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[#398] Removed ssh response objects.

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This commit is contained in:
Fabio Manganiello 2024-05-10 01:36:44 +02:00
parent f978d708cb
commit b662e98447
Signed by: blacklight
GPG key ID: D90FBA7F76362774
4 changed files with 101 additions and 94 deletions
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5
docs/source/platypush/responses/ssh.rst
View file

@ -1,5 +0,0 @@
``ssh``
==================================
.. automodule:: platypush.message.response.ssh
:members:

1
docs/source/responses.rst
View file

@ -8,6 +8,5 @@ Responses
platypush/responses/google.drive.rst
platypush/responses/printer.cups.rst
platypush/responses/ssh.rst
platypush/responses/tensorflow.rst
platypush/responses/translate.rst

18
platypush/message/response/ssh.py
View file

@ -1,18 +0,0 @@
from platypush.message.response import Response
class SSHResponse(Response):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class SSHKeygenResponse(SSHResponse):
def __init__(self, fingerprint: str, key_file: str, pub_key_file: str, *args, **kwargs):
super().__init__(*args, output={
'fingerprint': fingerprint,
'key_file': key_file,
'pub_key_file': pub_key_file,
}, **kwargs)
# vim:sw=4:ts=4:et:

171
platypush/plugins/ssh/__init__.py
View file

@ -19,15 +19,18 @@ from stat import (
from typing import Optional, Dict, Tuple, List, Union, Any
from paramiko import DSSKey, RSAKey, SSHClient, WarningPolicy, SFTPClient
from paramiko.py3compat import u
try:
from paramiko import GSS_AUTH_AVAILABLE
from paramiko.util import u
except ImportError:
from paramiko.py3compat import u # type: ignore
try:
from paramiko import GSS_AUTH_AVAILABLE # type: ignore
except ImportError:
from paramiko.ssh_gss import GSS_AUTH_AVAILABLE
from platypush import Response
from platypush.message.response.ssh import SSHKeygenResponse
from platypush.plugins import Plugin, action
from platypush.plugins.ssh.tunnel.forward import forward_tunnel
from platypush.plugins.ssh.tunnel.reverse import reverse_tunnel, close_tunnel
@ -44,8 +47,8 @@ class SshPlugin(Plugin):
self, key_file: Optional[str] = None, passphrase: Optional[str] = None, **kwargs
):
"""
:param key_file: Default key file (default: any "id_rsa", "id_dsa", "id_ecdsa", or "id_ed25519" key discoverable
in ``~/.ssh/``.
:param key_file: Default key file (default: any "id_rsa", "id_dsa",
"id_ecdsa", or "id_ed25519" key discoverable in ``~/.ssh/``.
:param passphrase: Key file passphrase (default: None).
"""
super().__init__(**kwargs)
@ -71,38 +74,46 @@ class SshPlugin(Plugin):
if host.find('@') >= 0:
user, host = host.split('@')
if host.find(':') >= 0:
host, port = host.split(':')
host, p = host.split(':')
port = int(p)
if not user:
user = getpass.getuser()
return host, int(port), user
return host, port, user
# noinspection PyShadowingBuiltins
@action
def keygen(
self,
filename: str,
type: str = 'rsa',
type: str = 'rsa', # pylint: disable=redefined-builtin
bits: int = 4096,
comment: Optional[str] = None,
passphrase: Optional[str] = None,
) -> SSHKeygenResponse:
) -> dict:
"""
Generate an SSH keypair.
:param filename: Output file name for the private key (the public key will be stored in <filename>.pub).
:param filename: Output file name for the private key (the public key
will be stored in <filename>.pub).
:param type: Encryption algorithm, either "rsa" or "dsa" (default: "rsa").
:param bits: Key length in bits (default: 4096).
:param comment: Key comment (default: None).
:param passphrase: Key passphrase (default: None).
:return: :class:`platypush.message.response.ssh.SSHKeygenResponse`.
:return:
.. code-block:: json
{
"fingerprint": "SHA256:...",
"key_file": "private_key_file",
"pub_key_file": "public_key_file"
}
"""
assert type != 'dsa' or bits <= 1024, 'DSA keys support a maximum of 1024 bits'
assert (
type in self.key_dispatch_table
), 'No such type: {}. Available types: {}'.format(
type, self.key_dispatch_table.keys()
)
), f'No such type: {type}. Available types: {self.key_dispatch_table.keys()}'
if filename:
filename = os.path.abspath(os.path.expanduser(filename))
@ -110,22 +121,23 @@ class SshPlugin(Plugin):
prv = self.key_dispatch_table[type].generate(bits=bits)
prv.write_private_key_file(filename=filename, password=passphrase)
pub = self.key_dispatch_table[type](filename=filename, password=passphrase)
pub_file = '{filename}.pub'.format(filename=filename)
pub_file = f'{filename}.pub'
with open(pub_file, 'w') as f:
f.write('{name} {key}'.format(name=pub.get_name(), key=pub.get_base64()))
f.write(f'{pub.get_name()} {pub.get_base64()}')
if comment:
f.write(' ' + comment)
hash = u(hexlify(pub.get_fingerprint()))
return SSHKeygenResponse(
fingerprint=hash, key_file=filename, pub_key_file=pub_file
)
return {
'fingerprint': u(hexlify(pub.get_fingerprint())),
'key_file': filename,
'pub_key_file': pub_file,
}
def run(self, *args, **kwargs):
try:
return super().run(*args, **kwargs)
except Exception as e:
raise AssertionError(e)
raise AssertionError(e) from e
def _connect(
self,
@ -144,9 +156,10 @@ class SshPlugin(Plugin):
key = (host, port, user)
if key in self._sessions:
self.logger.info(
'[Connect] The SSH session is already active: {user}@{host}:{port}'.format(
user=user, host=host, port=port
)
'[Connect] The SSH session is already active: %s@%s:%d',
user,
host,
port,
)
return self._sessions[key]
@ -178,7 +191,7 @@ class SshPlugin(Plugin):
return client
except Exception as e:
self.logger.exception(e)
raise AssertionError('Connection to {} failed: {}'.format(host, str(e)))
raise AssertionError(f'Connection to {host} failed: {type(e)}: {e}')
@action
def connect(
@ -231,9 +244,7 @@ class SshPlugin(Plugin):
key = (host, port, user)
if key not in self._sessions:
self.logger.info(
'[Disconnect] The SSH session is not active: {user}@{host}:{port}'.format(
user=user, host=host, port=port
)
'[Disconnect] The SSH session is not active: %s@%s:%d', user, host, port
)
session = self._sessions[key]
@ -269,13 +280,13 @@ class SshPlugin(Plugin):
def decode(buf: bytes) -> str:
try:
buf = buf.decode()
s_buf = buf.decode()
except (ValueError, TypeError):
buf = base64.encodebytes(buf).decode()
s_buf = base64.encodebytes(buf).decode()
if buf.endswith('\n'):
buf = buf[:-1]
return buf
if s_buf.endswith('\n'):
s_buf = s_buf[:-1]
return s_buf
try:
_in, _out, _err = client.exec_command(cmd, timeout=timeout, environment=env)
@ -300,6 +311,9 @@ class SshPlugin(Plugin):
@staticmethod
def is_directory(sftp: SFTPClient, path: str) -> bool:
f = sftp.lstat(path)
if f.st_mode is None:
return False
return S_ISDIR(f.st_mode)
@classmethod
@ -308,7 +322,7 @@ class SshPlugin(Plugin):
folders = []
for f in sftp.listdir_attr(path):
if S_ISDIR(f.st_mode):
if f.st_mode is not None and S_ISDIR(f.st_mode):
folders.append(f.filename)
else:
files.append(f.filename)
@ -317,8 +331,7 @@ class SshPlugin(Plugin):
for folder in folders:
new_path = os.path.join(path, folder)
for x in cls.sftp_walk(sftp, new_path):
yield x
yield from cls.sftp_walk(sftp, new_path)
def sftp_get(
self,
@ -341,10 +354,9 @@ class SshPlugin(Plugin):
for file in files:
self.logger.info(
'Downloading file {} from {} to {}'.format(
file, path, new_local_path
)
'Downloading file %s from %s to %s', file, path, new_local_path
)
self.sftp_get(
sftp,
os.path.join(remote_path, path, file),
@ -421,16 +433,17 @@ class SshPlugin(Plugin):
try:
sftp.mkdir(remote_path)
except Exception as e:
self.logger.warning(f'mkdir {remote_path}: {e}')
self.logger.warning(
'mkdir %s failed: %s: %s', remote_path, type(e), e
)
assert (
recursive
), '{} is a directory but recursive has been set to False'.format(
local_path
)
), f'{local_path} is a directory but recursive has been set to False'
assert self.is_directory(
sftp, remote_path
), '{} is not a directory on the remote host'.format(remote_path)
), f'{remote_path} is not a directory on the remote host'
sftp.chdir(remote_path)
os.chdir(local_path)
@ -439,12 +452,14 @@ class SshPlugin(Plugin):
try:
sftp.mkdir(path)
except Exception as e:
self.logger.warning(f'mkdir {remote_path}: {e}')
self.logger.warning(
'mkdir %s failed: %s: %s', remote_path, type(e), e
)
for file in files:
src = os.path.join(path, file)
dst = os.path.join(path, file)
self.logger.info('Copying {} to {}'.format(src, dst))
self.logger.info('Copying %s to %s', src, dst)
sftp.put(src, dst)
else:
if self.is_directory(sftp, remote_path):
@ -475,7 +490,9 @@ class SshPlugin(Plugin):
client = self._connect(**kwargs)
sftp = client.open_sftp()
def get_file_type(st_mode: int) -> str:
def get_file_type(st_mode: Optional[int]) -> str:
if st_mode is None:
return 'unknown'
if S_ISDIR(st_mode):
return 'directory'
elif S_ISBLK(st_mode):
@ -503,16 +520,24 @@ class SshPlugin(Plugin):
'longname': f.longname,
'attributes': f.attr,
'type': get_file_type(f.st_mode),
'access_time': datetime.datetime.fromtimestamp(f.st_atime),
'modify_time': datetime.datetime.fromtimestamp(f.st_mtime),
'access_time': (
datetime.datetime.fromtimestamp(f.st_atime)
if f.st_atime
else None
),
'modify_time': (
datetime.datetime.fromtimestamp(f.st_mtime)
if f.st_mtime
else None
),
'uid': f.st_uid,
'gid': f.st_gid,
'size': f.st_size,
}
for f in sftp.listdir_attr(path)
}
else:
return sftp.listdir(path)
return sftp.listdir(path)
finally:
if not keep_alive:
host, port, user = self._get_host_port_user(**kwargs)
@ -692,7 +717,7 @@ class SshPlugin(Plugin):
sftp = client.open_sftp()
try:
return sftp.getcwd()
return sftp.getcwd() or '/'
finally:
if not keep_alive:
host, port, user = self._get_host_port_user(**kwargs)
@ -704,24 +729,29 @@ class SshPlugin(Plugin):
local_port: int,
remote_host: str,
remote_port: int,
bind_addr: Optional[str] = '',
bind_addr: str = '',
**kwargs,
):
"""
Start an SSH forward tunnel, tunnelling <local_port> to <remote_host>:<remote_port>.
Start an SSH forward tunnel, tunnelling ``<local_port>`` to
``<remote_host>:<remote_port>``.
:param local_port: Local port.
:param remote_host: Remote host.
:param remote_port: Remote port.
:param bind_addr: If set, the `local_port` will be bound to this address/subnet (default: '', or 0.0.0.0: any).
:param kwargs: Arguments for :meth:`platypush.plugins.ssh.SshPlugin.connect`.
:param bind_addr: If set, the `local_port` will be bound to this
address/subnet (default: '', or 0.0.0.0: any).
:param kwargs: Arguments for
:meth:`platypush.plugins.ssh.SshPlugin.connect`.
"""
key = local_port, remote_host, remote_port
if key in self._fwd_tunnels:
self.logger.info(
'The tunnel {}:{}:{}:{} is already active'.format(
bind_addr, local_port, remote_host, remote_port
)
'The tunnel %s:%d:%s:%d is already active',
bind_addr,
local_port,
remote_host,
remote_port,
)
return
@ -753,9 +783,7 @@ class SshPlugin(Plugin):
key = (local_port, remote_host, remote_port)
if key not in self._fwd_tunnels:
self.logger.warning(
'No such forward tunnel: {}:{}:{}'.format(
local_port, remote_host, remote_port
)
'No such forward tunnel: %d:%s:%d', local_port, remote_host, remote_port
)
return
@ -772,7 +800,7 @@ class SshPlugin(Plugin):
server_port: int,
remote_host: str,
remote_port: int,
bind_addr: Optional[str] = '',
bind_addr: str = '',
**kwargs,
):
"""
@ -788,9 +816,11 @@ class SshPlugin(Plugin):
key = server_port, remote_host, remote_port
if key in self._fwd_tunnels:
self.logger.info(
'The tunnel {}:{}:{}:{} is already active'.format(
bind_addr, server_port, remote_host, remote_port
)
'The tunnel %s:%d:%s:%d is already active',
bind_addr,
server_port,
remote_host,
remote_port,
)
return
@ -823,9 +853,10 @@ class SshPlugin(Plugin):
key = (server_port, remote_host, remote_port)
if key not in self._rev_tunnels:
self.logger.warning(
'No such reversed tunnel: {}:{}:{}'.format(
server_port, remote_host, remote_port
)
'No such reverse tunnel: %d:%s:%d',
server_port,
remote_host,
remote_port,
)
return