def _deserialize(self, value, attr, data, **kwargs):
""" deserialize a string or list of strings to dkim key data
with verification
"""
# convert list to str
if isinstance(value, list):
try:
value = ''.join(ensure_text_type(item)
for item in value).strip()
except UnicodeDecodeError as exc:
raise self.make_error("invalid_utf8") from exc
# only text is allowed
else:
if not isinstance(value, (str, bytes)):
raise self.make_error("invalid")
try:
value = ensure_text_type(value).strip()
except UnicodeDecodeError as exc:
raise self.make_error("invalid_utf8") from exc
# generate new key?
if value.lower() == '-generate-':
return dkim.gen_key()
# no key?
if not value:
return None
# remember part of value for ValidationError
bad_key = value
# strip header and footer, clean whitespace and wrap to 64 characters
try:
if value.startswith('-----BEGIN '):
end = value.index('-----', 11) + 5
header = value[:end]
value = value[end:]
else:
header = '-----BEGIN PRIVATE KEY-----'
if (pos := value.find('-----END ')) >= 0:
end = value.index('-----', pos + 9) + 5
footer = value[pos:end]
value = value[:pos]
else:
def generate_dkim_key(self):
self.dkim_key = dkim.gen_key()
def generate_dkim_key(self):
self.dkim_key = dkim.gen_key()
def generate_dkim_key(self):
""" generate new DKIM key """
self.dkim_key = dkim.gen_key()
