def header_value_string(value, what=None):
"""Raises an error if the value string contains invalid characters."""
p = re.compile(constants.HTTP_HEADER_VALUE_REGEX)
q = re.compile(constants.HTTP_QUOTED_HEADER_VALUE_REGEX)
if not p.match(value) and not q.match(value):
raise exceptions.InvalidString(what=what)
return True
def cookie_value_string(value, what=None):
"""Raises an error if the value string contains invalid characters."""
p = re.compile(constants.HTTP_COOKIE_VALUE_REGEX)
if not p.match(value):
raise exceptions.InvalidString(what=what)
return True
def header_name(header, what=None):
"""Raises an error if header does not look like an HTML header name."""
p = re.compile(constants.HTTP_HEADER_NAME_REGEX)
if not p.match(header):
raise exceptions.InvalidString(what=what)
return True