canaille-globuzma/canaille/configuration.py

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2021-10-12 16:24:51 +00:00
import os
from cryptography.hazmat.primitives import serialization as crypto_serialization
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.backends import default_backend as crypto_default_backend
def validate(config, validate_remote=False):
if not os.path.exists(config["JWT"]["PUBLIC_KEY"]):
raise Exception(f'Public key does not exist {config["JWT"]["PUBLIC_KEY"]}')
if not os.path.exists(config["JWT"]["PRIVATE_KEY"]):
raise Exception(f'Private key does not exist {config["JWT"]["PRIVATE_KEY"]}')
def setup_dev_keypair(config):
if os.path.exists(config["JWT"]["PUBLIC_KEY"]) or os.path.exists(
config["JWT"]["PRIVATE_KEY"]
):
return
key = rsa.generate_private_key(
backend=crypto_default_backend(), public_exponent=65537, key_size=2048
)
private_key = key.private_bytes(
crypto_serialization.Encoding.PEM,
crypto_serialization.PrivateFormat.PKCS8,
crypto_serialization.NoEncryption(),
)
public_key = key.public_key().public_bytes(
crypto_serialization.Encoding.OpenSSH, crypto_serialization.PublicFormat.OpenSSH
)
with open(config["JWT"]["PUBLIC_KEY"], "wb") as fd:
fd.write(public_key)
with open(config["JWT"]["PRIVATE_KEY"], "wb") as fd:
fd.write(private_key)