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Fediverse: Generate instance key automatically.

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This commit is contained in:
Valentin Lorentz 2020-05-09 20:55:57 +02:00
parent d5e241cb0c
commit ba0738c540
1 changed files with 19 additions and 0 deletions
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19
plugins/Fediverse/activitypub.py
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@ -28,6 +28,7 @@
### ###
import os
import json import json
import base64 import base64
import functools import functools
@ -39,6 +40,7 @@ from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives import hashes from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.asymmetric import padding from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives.asymmetric.rsa import generate_private_key
from supybot import commands, conf from supybot import commands, conf
@ -148,8 +150,25 @@ def get_instance_actor_url():
return urllib.parse.urljoin(root_url, "/fediverse/instance_actor") return urllib.parse.urljoin(root_url, "/fediverse/instance_actor")
def _generate_private_key():
return generate_private_key(
public_exponent=65537, key_size=2048, backend=default_backend()
)
def _get_private_key(): def _get_private_key():
path = conf.supybot.directories.data.dirize("Fediverse/instance_key.pem") path = conf.supybot.directories.data.dirize("Fediverse/instance_key.pem")
if not os.path.isfile(path):
os.makedirs(os.path.dirname(path), exist_ok=True)
key = _generate_private_key()
pem = key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.TraditionalOpenSSL,
encryption_algorithm=serialization.NoEncryption(),
)
with open(path, "wb") as fd:
fd.write(pem)
with open(path, "rb") as fd: with open(path, "rb") as fd:
return serialization.load_pem_private_key( return serialization.load_pem_private_key(
fd.read(), password=None, backend=default_backend() fd.read(), password=None, backend=default_backend()