epicyon/keys.py

65 lines
2.0 KiB
Python

__filename__ = "keys.py"
__author__ = "Bob Mottram"
__license__ = "AGPL3+"
__version__ = "1.5.0"
__maintainer__ = "Bob Mottram"
__email__ = "bob@libreserver.org"
__status__ = "Production"
__module_group__ = "ActivityPub"
import os
def _get_local_private_key(base_dir: str, nickname: str, domain: str) -> str:
"""Returns the private key for a local account
"""
if not domain or not nickname:
return None
handle = nickname + '@' + domain
key_filename = base_dir + '/keys/private/' + handle.lower() + '.key'
if not os.path.isfile(key_filename):
return None
with open(key_filename, 'r', encoding='utf-8') as pem_file:
return pem_file.read()
return None
def _get_local_public_key(base_dir: str, nickname: str, domain: str) -> str:
"""Returns the public key for a local account
"""
if not domain or not nickname:
return None
handle = nickname + '@' + domain
key_filename = base_dir + '/keys/public/' + handle.lower() + '.key'
if not os.path.isfile(key_filename):
return None
with open(key_filename, 'r', encoding='utf-8') as pem_file:
return pem_file.read()
return None
def get_instance_actor_key(base_dir: str, domain: str) -> str:
"""Returns the private key for the instance actor used for
signing GET posts
"""
return _get_local_private_key(base_dir, 'inbox', domain)
def get_person_key(nickname: str, domain: str, base_dir: str,
key_type: str = 'public', debug: bool = False):
"""Returns the public or private key of a person
"""
if key_type == 'private':
key_pem = _get_local_private_key(base_dir, nickname, domain)
else:
key_pem = _get_local_public_key(base_dir, nickname, domain)
if not key_pem:
if debug:
print('DEBUG: ' + key_type + ' key file not found')
return ''
if len(key_pem) < 20:
if debug:
print('DEBUG: private key was too short: ' + key_pem)
return ''
return key_pem