def evaluate(self, message: Message, state: EvaluationState) -> bool:
if not isinstance(self.keylist, list):
raise ValueError('TestAddress keylist not iterable')
if not isinstance(self.headers, list):
raise ValueError('TestAddress headers not iterable')
header_values: List[Text] = []
for header in self.headers:
header = expand_variables(header, state)
# TODO: section 5.1: we should restrict the allowed headers to
# those headers that contain an "address-list". this includes at
# least: from, to, cc, bcc, sender, resent-from, resent-to.
header_values.extend(message.get_all(header, []))
addresses: List[Text] = []
for msg_address in email.utils.getaddresses(header_values):
if msg_address[1] != '':
addresses.append(
sifter.grammar.string.address_part(
msg_address[1], cast(Text, self.address_part)))
for address in addresses:
for key in self.keylist:
key = expand_variables(key, state)
if sifter.grammar.string.compare(address, key, state,
self.comparator,
cast(Text, self.match_type)):
return True
return False
def evaluate(self, message: Message, state: EvaluationState) -> None:
state.check_required_extension('rewrite', 'REWRITE')
search = self.positional_args[0][0] # type: ignore
replace = self.positional_args[1][0] # type: ignore
search = expand_variables(search, state)
replace = expand_variables(replace, state)
state.actions.append('rewrite', (search, replace)) # type: ignore
def evaluate(self, message: Message, state: EvaluationState) -> bool:
if not isinstance(self.headers, list):
raise ValueError("TestHeader.headers is not a list")
if not isinstance(self.keylist, list):
raise ValueError("TestHeader.keylist is not a list")
for header in self.headers:
header = expand_variables(header, state)
for value in message.get_all(header, []):
value = self._newline_re.sub(" ", value)
for key in self.keylist:
key = expand_variables(key, state)
if string_compare(str(value), key, state, self.comparator,
self.match_type):
return True
return False
def evaluate(self, message: Message, state: EvaluationState) -> None:
notify_from = notify_importance = self.notify_message = None
notify_options = [] # type: ignore
if 'from' in self.tagged_args:
notify_from = self.tagged_args['from'][1][0] # type: ignore
if 'importance' in self.tagged_args:
notify_importance = self.tagged_args['importance'][1][
0] # type: ignore
if 'options' in self.tagged_args:
notify_options = self.tagged_args['options'][1] # type: ignore
notify_message = None
if 'message' in self.tagged_args:
notify_message = self.tagged_args['message'][1][0] # type: ignore
notify_method = self.positional_args[0][0] # type: ignore
state.check_required_extension('enotify', 'NOTIFY')
notify_from = expand_variables(notify_from, state) # type: ignore
notify_importance = expand_variables(notify_importance,
state) # type: ignore
notify_options = list(
map(lambda s: expand_variables(s, state), notify_options))
notify_message = expand_variables(notify_message,
state) # type: ignore
notify_method = expand_variables(notify_method, state)
m = re.match('^([A-Za-z][A-Za-z0-9.+-]*):', notify_method)
if not m:
raise RuleSyntaxError(
"Notification method must be an URI, e.g. 'mailto:[email protected]'"
)
if notify_importance and notify_importance not in ["1", "2", "3"]:
raise RuleSyntaxError(
"Illegal notify importance '%s' encountered" %
notify_importance)
notify_method_cls = ExtensionRegistry.get_notification_method(
m.group(1).lower())
if not notify_method_cls:
raise RuleSyntaxError("Unsupported notification method '%s'" %
m.group(1))
(res, msg) = notify_method_cls.test_valid(notify_method)
if not res:
raise RuleSyntaxError(msg)
state.actions.append(
'notify',
(notify_method, notify_from, notify_importance, notify_options,
notify_message) # type: ignore
)
def evaluate(self, message: Message, state: EvaluationState) -> None:
state.check_required_extension('pipe', 'PIPE')
pipe_dest = self.positional_args[0]
pipe_dest = map(lambda s: expand_variables(s, state),
pipe_dest) # type: ignore
state.actions.append('pipe', pipe_dest) # type: ignore
state.actions.cancel_implicit_keep()
def evaluate(self, message: Message, state: EvaluationState) -> None:
state.check_required_extension('variables', 'VARIABLES')
variable_modifier = self.tagged_args
variable_name = self.positional_args[0][0] # type: ignore
if (not re.match(r'^[A-Za-z_][A-Za-z0-9_]*$', variable_name)):
raise RuleSyntaxError("Illegal variable name '%s' encountered" %
variable_name)
variable_value: Text = self.positional_args[1][0] # type: ignore
variable_value = expand_variables(variable_value, state)
if 'lower' in variable_modifier:
variable_value = variable_value.lower()
if 'upper' in variable_modifier:
variable_value = variable_value.upper()
if 'lowerfirst' in variable_modifier:
variable_value = variable_value[:1].lower() + variable_value[1:]
if 'upperfirst' in variable_modifier:
variable_value = variable_value[:1].upper() + variable_value[1:]
if 'quotewildcard' in variable_modifier:
variable_value = variable_value.replace('*', '\\*')
variable_value = variable_value.replace('?', '\\?')
variable_value = variable_value.replace('\\', '\\\\')
if 'quoteregex' in variable_modifier:
variable_value = re.escape(variable_value)
if 'encodeurl' in variable_modifier:
variable_value = quote(variable_value, safe='-._~')
if 'length' in variable_modifier:
variable_value = "" + str(len(variable_value))
state.named_variables[variable_name] = variable_value
def evaluate_part(self, part_str: Text, state: EvaluationState) -> bool:
for key in self.keylist: # type: ignore
key = expand_variables(key, state)
if string_compare(part_str, key, state, self.comparator,
self.match_type): # type: ignore
return True
return False
def evaluate(self, message: Message, state: EvaluationState) -> None:
state.check_required_extension('fileinto', 'FILEINTO')
file_dest = self.positional_args[0]
file_dest = list(map(lambda s: expand_variables(s, state), file_dest)) # type: ignore
state.actions.append('fileinto', file_dest)
state.actions.cancel_implicit_keep()
def evaluate(self, message: Message, state: EvaluationState) -> bool:
headers = self.positional_args[0]
if not isinstance(headers, list):
raise ValueError("TestExists.headers must be a list")
for header in headers:
header = expand_variables(header, state)
if header not in message:
return False
return True
def evaluate(self, message: Message, state: EvaluationState) -> None:
state.check_required_extension('imap4flags', 'imapflags')
flag_list = self.positional_args[0]
flag_list = list(map(lambda s: expand_variables(s, state),
flag_list)) # type: ignore
state.actions.append('addflag', flag_list)
def evaluate(self, message: Message, state: EvaluationState) -> None:
email_address = expand_variables(self.email_address, state)
state.actions.append('redirect', email_address)
state.actions.cancel_implicit_keep()
