ClickHouse/tests/ci/lambda_shared_package/lambda_shared/token.py
2023-07-21 18:32:31 +02:00

92 lines
2.8 KiB
Python

"""Module to get the token for GitHub"""
from dataclasses import dataclass
import json
import time
from typing import Tuple
import boto3 # type: ignore
import jwt
import requests # type: ignore
from . import cached_value_is_valid
def get_key_and_app_from_aws() -> Tuple[str, int]:
secret_name = "clickhouse_github_secret_key"
session = boto3.session.Session()
client = session.client(
service_name="secretsmanager",
)
get_secret_value_response = client.get_secret_value(SecretId=secret_name)
data = json.loads(get_secret_value_response["SecretString"])
return data["clickhouse-app-key"], int(data["clickhouse-app-id"])
def get_installation_id(jwt_token: str) -> int:
headers = {
"Authorization": f"Bearer {jwt_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.get("https://api.github.com/app/installations", headers=headers)
response.raise_for_status()
data = response.json()
for installation in data:
if installation["account"]["login"] == "ClickHouse":
installation_id = installation["id"]
return installation_id # type: ignore
def get_access_token_by_jwt(jwt_token: str, installation_id: int) -> str:
headers = {
"Authorization": f"Bearer {jwt_token}",
"Accept": "application/vnd.github.v3+json",
}
response = requests.post(
f"https://api.github.com/app/installations/{installation_id}/access_tokens",
headers=headers,
)
response.raise_for_status()
data = response.json()
return data["token"] # type: ignore
def get_token_from_aws() -> str:
private_key, app_id = get_key_and_app_from_aws()
return get_access_token_by_key_app(private_key, app_id)
def get_access_token_by_key_app(private_key: str, app_id: int) -> str:
payload = {
"iat": int(time.time()) - 60,
"exp": int(time.time()) + (10 * 60),
"iss": app_id,
}
encoded_jwt = jwt.encode(payload, private_key, algorithm="RS256")
installation_id = get_installation_id(encoded_jwt)
return get_access_token_by_jwt(encoded_jwt, installation_id)
@dataclass
class CachedToken:
time: float
value: str
updating: bool = False
_cached_token = CachedToken(0, "")
def get_cached_access_token() -> str:
if time.time() - 550 < _cached_token.time or _cached_token.updating:
return _cached_token.value
# Indicate that the value is updating now, so the cached value can be
# used. The first setting and close-to-ttl are not counted as update
_cached_token.updating = cached_value_is_valid(_cached_token.time, 590)
private_key, app_id = get_key_and_app_from_aws()
_cached_token.time = time.time()
_cached_token.value = get_access_token_by_key_app(private_key, app_id)
_cached_token.updating = False
return _cached_token.value