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Ask for SSH password using getpass #263

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merged 2 commits into from
Feb 7, 2024
Merged

Ask for SSH password using getpass #263

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Ask for SSH password using getpass
jan-janssen Feb 5, 2024
31be443
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pyiron-runner Feb 5, 2024
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33 changes: 31 additions & 2 deletions pysqa/ext/remote.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
# coding: utf-8
# Copyright (c) Jan Janssen

import getpass
import json
import os
import warnings
Expand All @@ -25,12 +26,18 @@ def __init__(self, config, directory="~/.queues", execute_command=execute_comman
)
if "ssh_key" in config.keys():
self._ssh_key = os.path.abspath(os.path.expanduser(config["ssh_key"]))
self._ssh_ask_for_password = False
else:
self._ssh_key = None
if "ssh_password" in config.keys():
self._ssh_password = config["ssh_password"]
self._ssh_ask_for_password = False
else:
self._ssh_password = None
if "ssh_ask_for_password" in config.keys():
self._ssh_ask_for_password = config["ssh_ask_for_password"]
else:
self._ssh_ask_for_password = False
if "ssh_key_passphrase" in config.keys():
self._ssh_key_passphrase = config["ssh_key_passphrase"]
else:
Expand Down Expand Up @@ -221,15 +228,19 @@ def _transfer_files(self, file_dict, sftp=None, transfer_back=False):
def _open_ssh_connection(self):
ssh = paramiko.SSHClient()
ssh.load_host_keys(self._ssh_known_hosts)
if self._ssh_key is not None and self._ssh_key_passphrase is not None:
if (
self._ssh_key is not None
and self._ssh_key_passphrase is not None
and not self._ssh_ask_for_password
):
ssh.connect(
hostname=self._ssh_host,
port=self._ssh_port,
username=self._ssh_username,
key_filename=self._ssh_key,
passphrase=self._ssh_key_passphrase,
)
elif self._ssh_key is not None:
elif self._ssh_key is not None and not self._ssh_ask_for_password:
ssh.connect(
hostname=self._ssh_host,
port=self._ssh_port,
Expand All @@ -240,13 +251,21 @@ def _open_ssh_connection(self):
self._ssh_password is not None
and self._ssh_authenticator_service is None
and not self._ssh_two_factor_authentication
and not self._ssh_ask_for_password
):
ssh.connect(
hostname=self._ssh_host,
port=self._ssh_port,
username=self._ssh_username,
password=self._ssh_password,
)
elif self._ssh_ask_for_password and not self._ssh_two_factor_authentication:
ssh.connect(
hostname=self._ssh_host,
port=self._ssh_port,
username=self._ssh_username,
password=getpass.getpass(prompt="SSH Password: ", stream=None),
)
elif (
self._ssh_password is not None
and self._ssh_authenticator_service is not None
Expand Down Expand Up @@ -287,6 +306,16 @@ def authentication(title, instructions, prompt_list):
ssh._transport.auth_interactive_dumb(
username=self._ssh_username, handler=None, submethods=""
)
elif self._ssh_ask_for_password and self._ssh_two_factor_authentication:
ssh.connect(
hostname=self._ssh_host,
port=self._ssh_port,
username=self._ssh_username,
password=getpass.getpass(prompt="SSH Password: ", stream=None),
)
ssh._transport.auth_interactive_dumb(
username=self._ssh_username, handler=None, submethods=""
)
else:
raise ValueError("Un-supported authentication method.")

Expand Down
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