79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
import argparse
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import datetime
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import uuid
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from pathlib import Path
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from cryptography import hazmat, x509
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives import hashes, serialization
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from cryptography.hazmat.primitives.asymmetric import rsa
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from cryptography.x509.oid import NameOID
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def generate_private_key() -> rsa.RSAPrivateKey:
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private_key = rsa.generate_private_key(
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public_exponent=65537, key_size=2048, backend=hazmat.backends.default_backend()
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)
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return private_key
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def generate_certificate(private_key: rsa.RSAPrivateKey) -> bytes:
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subject = issuer = x509.Name(
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[
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x509.NameAttribute(NameOID.COMMON_NAME, "Sunshine Gamestream Host"),
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]
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)
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cert_builder = (
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x509.CertificateBuilder()
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.subject_name(subject)
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.issuer_name(issuer)
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.public_key(private_key.public_key())
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.serial_number(61093384576940497812448570031200738505731293357)
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.not_valid_before(datetime.datetime(2024, 2, 27))
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.not_valid_after(datetime.datetime(2044, 2, 22))
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.add_extension(
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x509.SubjectAlternativeName([x509.DNSName("localhost")]),
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critical=False,
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)
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.sign(private_key, hashes.SHA256(), default_backend())
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)
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pem_certificate = cert_builder.public_bytes(serialization.Encoding.PEM)
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return pem_certificate
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def private_key_to_pem(private_key: rsa.RSAPrivateKey) -> bytes:
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pem_private_key = private_key.private_bytes(
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encoding=serialization.Encoding.PEM,
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format=serialization.PrivateFormat.PKCS8,
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encryption_algorithm=serialization.NoEncryption(),
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)
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return pem_private_key
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def init_credentials() -> (str, str):
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private_key = generate_private_key()
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certificate = generate_certificate(private_key)
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private_key_pem = private_key_to_pem(private_key)
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return certificate, private_key_pem
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def uniqueid() -> str:
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return str(uuid.uuid4()).upper()
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def write_credentials(_args: argparse.Namespace) -> None:
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print("Writing sunshine credentials")
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pem_certificate, pem_private_key = init_credentials()
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Path("credentials").mkdir(parents=True, exist_ok=True)
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with open("credentials/cacert.pem", mode="wb") as file:
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file.write(pem_certificate)
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with open("credentials/cakey.pem", mode="wb") as file:
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file.write(pem_private_key)
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print("Generating sunshine UUID")
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with open("uuid", mode="w") as file:
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file.write(uniqueid())
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def register_initialization_parser(parser: argparse.ArgumentParser) -> None:
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parser.set_defaults(func=write_credentials)
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