def read(self):
"""Parse and validate the config file. The read data is accessible as a dictionary in this instance
:return: None
"""
try:
data = load(open(self.file), Loader)
except (UnicodeDecodeError, YAMLError) as e:
raise InvalidConfig(self.file, '{}'.format(e))
try:
validate(data, SCHEMA)
except ValidationError as e:
raise InvalidConfig(self.file, e)
self.update(data)
def get_url(self):
"""IFTTT Webhook url
:return: url
:rtype: str
"""
if not self.data[self.execute_name]:
raise InvalidConfig(extra_body='Value for IFTTT is required on {} device. Get your key here: '
'https://ifttt.com/services/maker_webhooks/settings'.format(self.name))
if not self.data.get('event'):
raise InvalidConfig(extra_body='Event option is required for IFTTT on {} device. '
'You define the event name when creating a Webhook '
'applet'.format(self.name))
url = self.url_pattern.format(event=self.data['event'], key=self.data[self.execute_name])
return url
def execute_over_ssh(cmd, ssh, cwd=None, shell='bash'):
"""Excecute command on remote machine using SSH
:param cmd: Command to execute
:param ssh: Server to connect. Port is optional
:param cwd: current working directory
:return: None
"""
port = None
parts = ssh.split(':', 1)
if len(parts) > 1 and not parts[1].isdigit():
raise InvalidConfig(extra_body='Invalid port number on ssh config: {}'.
format(parts[1]))
elif len(parts) > 1:
port = parts[1]
quoted_cmd = ' '.join(
[x.replace("'", """'"'"'""") for x in cmd.split(' ')])
remote_cmd = ' '.join(
[
' '.join(get_shell(shell)), # /usr/bin/env bash
' '.join([
EXECUTE_SHELL_PARAM, "'",
' '.join((['cd', cwd, ';'] if cwd else []) + [quoted_cmd]), "'"
])
], )
return ['ssh', parts[0]
] + (['-p', port] if port else []) + ['-C'] + [remote_cmd]
def execute(self, root_allowed=False):
"""Execute using self.data
:param bool root_allowed: Allow execute as root commands
:return:
"""
if self.user == ROOT_USER and not root_allowed and not self.data.get(
'ssh'):
raise SecurityException(
'For security, execute commands as root is not allowed. '
'Use --root-allowed to allow executing commands as root. '
' It is however recommended to add a user to the configuration '
'of the device (device: {})'.format(self.name))
if self.data.get('user') and self.data.get('ssh'):
raise InvalidConfig(
'User option is unsupported in ssh mode. The ssh user must be defined in '
'the ssh option. For example: user@machine')
if self.data.get('ssh'):
cmd = execute_over_ssh(self.data['cmd'], self.data['ssh'],
self.data.get('cwd'))
output = execute_cmd(cmd)
else:
cmd = run_as_cmd(self.data['cmd'], self.user)
output = execute_cmd(cmd, self.data.get('cwd'))
if output:
return output[0]
def get_confirmation(device_id, device_data, confirmations):
name = device_data.get('confirmation')
if name and name not in confirmations:
raise InvalidConfig(
extra_body='{} is not a registered confirmation config on {} device'
.format(name, device_id))
if name:
return get_confirmation_instance(confirmations[name])
defaults = list(
filter(lambda x: x.get('is_default'), confirmations.values()))
if len(defaults) > 1:
raise InvalidConfig(
extra_body='Multiple default confirmations. There can be only one.'
)
if defaults:
return get_confirmation_instance(defaults[0])
def __init__(self, data):
for key in self.required_fields:
if key not in data:
raise InvalidConfig(
extra_body='{} is a required parameter for {} confirmation'
.format(key, self.name))
self.data = data
def __init__(self, src, data=None, config=None):
"""
:param str src: Mac address
:param data: device data
"""
data = data or {}
config = config or {}
if isinstance(src, Device):
src = src.src
self.src = src.lower()
self.data = data
execs = [
cls(self.name, data) for name, cls in EXECUTE_CLS.items()
if name in self.data
]
if len(execs) > 1:
raise InvalidConfig(
extra_body=
'There can only be one method of execution on a device. The device is {}. '
.format(self.name))
elif len(execs):
self.execute_instance = execs[0]
self.execute_instance.validate()
self.confirmation = get_confirmation(src, data,
config.get('confirmations', {}))
def __init__(self, data):
one_fields = set(data) & self.one_field_of
if len(one_fields) > 1:
raise InvalidConfig(
extra_body='Only one in {} is required for {} notifications'.
format(', '.join(one_fields), self.name))
elif one_fields:
self.to_field = one_fields.pop()
super(PushbulletConfirmation, self).__init__(data)
def get_url(self):
"""Open Hab url
:return: url
:rtype: str
"""
url = super(ExecuteOpenHab, self).get_url()
if not self.data.get('item'):
raise InvalidConfig(extra_body='Item option is required for Open Hab on {} device.'.format(self.name))
url += '/rest/items/{}'.format(self.data['item'])
return url
def get_url(self):
"""Home assistant url
:return: url
:rtype: str
"""
url = super(ExecuteHomeAssistant, self).get_url()
if not self.data.get('event'):
raise InvalidConfig(extra_body='Event option is required for HomeAsistant on {} device.'.format(self.name))
url += '/api/events/{}'.format(self.data['event'])
return url
def validate(self):
"""Check self.data. Raise InvalidConfig on error
:return: None
"""
if (self.data.get('content-type') or self.data.get('body')) and \
self.data.get('method', '').lower() not in CONTENT_TYPE_METHODS:
raise InvalidConfig(
extra_body='The body/content-type option only can be used with the {} methods. The device is {}. '
'Check the configuration file.'.format(', '.join(CONTENT_TYPE_METHODS), self.name)
)
self.data['content-type'] = CONTENT_TYPE_ALIASES.get(self.data.get('content-type'),
self.data.get('content-type'))
form_type = CONTENT_TYPE_ALIASES['form']
if self.data.get('body') and (self.data.get('content-type') or form_type) == form_type:
try:
self.data['body'] = json.loads(self.data['body'])
except JSONDecodeError:
raise InvalidConfig(
extra_body='Invalid JSON body on {} device.'.format(self.name)
)
def get_url(self):
"""Home assistant url
:return: url
:rtype: str
"""
url = self.data['homeassistant']
parsed = urlparse(url)
if not parsed.scheme:
url = 'http://{}'.format(url)
if not url.split(':')[-1].isalnum():
url += ':8123'
if not self.data.get('event'):
raise InvalidConfig(
extra_body=
'Event option is required for HomeAsistant on {} device.'.
format(self.name))
url += '/api/events/{}'.format(self.data['event'])
return url
def get_confirmation_instance(confirmation_data):
confirmation_data = confirmation_data.copy()
if confirmation_data.get('service') not in CONFIRMATIONS:
raise InvalidConfig(extra_body='{} is a invalid confirmation service')
return CONFIRMATIONS[confirmation_data.pop('service')](confirmation_data)
