def get_password(self, description='', confirm=False, clear=False):
"""Get the password from a Glances client or server.
For Glances server, get the password (confirm=True, clear=False):
1) from the password file (if it exists)
2) from the CLI
Optionally: save the password to a file (hashed with salt + SHA-256)
For Glances client, get the password (confirm=False, clear=True):
1) from the CLI
2) the password is hashed with SHA-256 (only SHA string transit
through the network)
"""
if os.path.exists(self.password_file) and not clear:
# If the password file exist then use it
logger.info("Read password from file {}".format(
self.password_file))
password = self.load_password()
else:
# password_sha256 is the plain SHA-256 password
# password_hashed is the salt + SHA-256 password
password_sha256 = self.sha256_hash(getpass.getpass(description))
password_hashed = self.hash_password(password_sha256)
if confirm:
# password_confirm is the clear password (only used to compare)
password_confirm = self.sha256_hash(
getpass.getpass('Password (confirm): '))
if not self.check_password(password_hashed, password_confirm):
logger.critical("Sorry, passwords do not match. Exit.")
sys.exit(1)
# Return the plain SHA-256 or the salted password
if clear:
password = password_sha256
else:
password = password_hashed
# Save the hashed password to the password file
if not clear:
save_input = input(
'Do you want to save the password? [Yes/No]: ')
if len(save_input) > 0 and save_input[0].upper() == 'Y':
self.save_password(password_hashed)
return password
def get_password(self, description='', confirm=False, clear=False):
"""Get the password from a Glances client or server.
For Glances server, get the password (confirm=True, clear=False):
1) from the password file (if it exists)
2) from the CLI
Optionally: save the password to a file (hashed with salt + SHA-256)
For Glances client, get the password (confirm=False, clear=True):
1) from the CLI
2) the password is hashed with SHA-256 (only SHA string transit
through the network)
"""
if os.path.exists(self.password_filepath) and not clear:
# If the password file exist then use it
logger.info("Read password from file {0}".format(self.password_filepath))
password = self.load_password()
else:
# password_sha256 is the plain SHA-256 password
# password_hashed is the salt + SHA-256 password
password_sha256 = self.sha256_hash(getpass.getpass(description))
password_hashed = self.hash_password(password_sha256)
if confirm:
# password_confirm is the clear password (only used to compare)
password_confirm = self.sha256_hash(getpass.getpass('Password (confirm): '))
if not self.check_password(password_hashed, password_confirm):
logger.critical("Sorry, passwords do not match. Exit.")
sys.exit(1)
# Return the plain SHA-256 or the salted password
if clear:
password = password_sha256
else:
password = password_hashed
# Save the hashed password to the password file
if not clear:
save_input = input('Do you want to save the password? [Yes/No]: ')
if len(save_input) > 0 and save_input[0].upper() == 'Y':
self.save_password(password_hashed)
return password
def __get_username(self, description=''):
"""Read an username from the command line."""
return input(description)
def __get_username(self, description=''):
"""Read an username from the command line.
"""
return input(description)
