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- import calendar
- import json
- import time
- import aiofiles
- from alibabacloud_credentials.provider.refreshable import Credentials, RefreshResult, RefreshCachedSupplier
- from alibabacloud_credentials.http import HttpOptions
- from Tea.core import TeaCore
- from alibabacloud_credentials_api import ICredentialsProvider
- from alibabacloud_credentials.utils import auth_util as au
- from alibabacloud_credentials.utils import parameter_helper as ph
- from alibabacloud_credentials.exceptions import CredentialException
- async def _get_token_async(file_path: str) -> str:
- async with aiofiles.open(file_path, mode='r') as file:
- token = await file.read()
- return token
- def _get_token(file_path: str) -> str:
- with open(file_path, mode='r') as file:
- token = file.read()
- return token
- def _get_stale_time(expiration: int) -> int:
- if expiration < 0:
- return int(time.mktime(time.localtime())) + 60 * 60
- return expiration - 15 * 60
- class OIDCRoleArnCredentialsProvider(ICredentialsProvider):
- DEFAULT_DURATION_SECONDS = 3600
- DEFAULT_CONNECT_TIMEOUT = 5000
- DEFAULT_READ_TIMEOUT = 10000
- def __init__(self, *,
- role_arn: str = None,
- oidc_provider_arn: str = None,
- oidc_token_file_path: str = None,
- role_session_name: str = None,
- duration_seconds: int = DEFAULT_DURATION_SECONDS,
- policy: str = None,
- sts_region_id: str = None,
- sts_endpoint: str = None,
- enable_vpc: bool = None,
- http_options: HttpOptions = None):
- self._role_arn = role_arn or au.environment_role_arn
- self._oidc_provider_arn = oidc_provider_arn or au.environment_oidc_provider_arn
- self._oidc_token_file_path = oidc_token_file_path or au.environment_oidc_token_file
- self._role_session_name = role_session_name or au.environment_role_session_name
- self._duration_seconds = duration_seconds
- self._policy = policy
- if self._role_session_name is None or self._role_session_name == '':
- self._role_session_name = f'credentials-python-{str(int(time.mktime(time.localtime())))}'
- if self._duration_seconds is None:
- self._duration_seconds = self.DEFAULT_DURATION_SECONDS
- if self._duration_seconds < 900:
- raise ValueError('session duration should be in the range of 900s - max session duration')
- if self._role_arn is None or self._role_arn == '':
- raise ValueError('role_arn or environment variable ALIBABA_CLOUD_ROLE_ARN cannot be empty')
- if self._oidc_provider_arn is None or self._oidc_provider_arn == '':
- raise ValueError(
- 'oidc_provider_arn or environment variable ALIBABA_CLOUD_OIDC_PROVIDER_ARN cannot be empty')
- if self._oidc_token_file_path is None or self._oidc_token_file_path == '':
- raise ValueError(
- 'oidc_token_file_path or environment variable ALIBABA_CLOUD_OIDC_TOKEN_FILE cannot be empty')
- if sts_endpoint is not None and sts_endpoint != '':
- self._sts_endpoint = sts_endpoint
- else:
- if enable_vpc is not None:
- prefix = 'sts-vpc' if enable_vpc else 'sts'
- else:
- prefix = 'sts-vpc' if au.environment_enable_vpc.lower() == 'true' else 'sts'
- if sts_region_id is not None and sts_region_id != '':
- self._sts_endpoint = f'{prefix}.{sts_region_id}.aliyuncs.com'
- elif au.environment_sts_region is not None and au.environment_sts_region != '':
- self._sts_endpoint = f'{prefix}.{au.environment_sts_region}.aliyuncs.com'
- else:
- self._sts_endpoint = 'sts.aliyuncs.com'
- self._http_options = http_options if http_options is not None else HttpOptions()
- self._runtime_options = {
- 'connectTimeout': self._http_options.connect_timeout if self._http_options.connect_timeout is not None else OIDCRoleArnCredentialsProvider.DEFAULT_CONNECT_TIMEOUT,
- 'readTimeout': self._http_options.read_timeout if self._http_options.read_timeout is not None else OIDCRoleArnCredentialsProvider.DEFAULT_READ_TIMEOUT,
- 'httpsProxy': self._http_options.proxy
- }
- self._credentials_cache = RefreshCachedSupplier(
- refresh_callable=self._refresh_credentials,
- refresh_callable_async=self._refresh_credentials_async,
- )
- def get_credentials(self) -> Credentials:
- return self._credentials_cache._sync_call()
- async def get_credentials_async(self) -> Credentials:
- return await self._credentials_cache._async_call()
- def _refresh_credentials(self) -> RefreshResult[Credentials]:
- token = _get_token(self._oidc_token_file_path)
- tea_request = ph.get_new_request()
- tea_request.query = {
- 'Action': 'AssumeRoleWithOIDC',
- 'Format': 'JSON',
- 'Version': '2015-04-01',
- 'DurationSeconds': str(self._duration_seconds),
- 'RoleArn': self._role_arn,
- 'OIDCProviderArn': self._oidc_provider_arn,
- 'OIDCToken': token,
- 'RoleSessionName': self._role_session_name,
- 'Timestamp': ph.get_iso_8061_date()
- }
- if self._policy is not None and self._policy != '':
- tea_request.query['Policy'] = self._policy
- tea_request.protocol = 'https'
- tea_request.headers['host'] = self._sts_endpoint
- response = TeaCore.do_action(tea_request, self._runtime_options)
- if response.status_code != 200:
- raise CredentialException(
- f'error refreshing credentials from oidc_role_arn, http_code: {response.status_code}, result: {response.body.decode("utf-8")}')
- dic = json.loads(response.body.decode('utf-8'))
- if 'Credentials' not in dic:
- raise CredentialException(
- f'error retrieving credentials from oidc_role_arn result: {response.body.decode("utf-8")}')
- cre = dic.get('Credentials')
- if 'AccessKeyId' not in cre or 'AccessKeySecret' not in cre or 'SecurityToken' not in cre:
- raise CredentialException(
- f'error retrieving credentials from oidc_role_arn result: {response.body.decode("utf-8")}')
- # 先转换为时间数组
- time_array = time.strptime(cre.get('Expiration'), '%Y-%m-%dT%H:%M:%SZ')
- # 转换为时间戳
- expiration = calendar.timegm(time_array)
- credentials = Credentials(
- access_key_id=cre.get('AccessKeyId'),
- access_key_secret=cre.get('AccessKeySecret'),
- security_token=cre.get('SecurityToken'),
- expiration=expiration,
- provider_name=self.get_provider_name()
- )
- return RefreshResult(value=credentials,
- stale_time=_get_stale_time(expiration))
- async def _refresh_credentials_async(self) -> RefreshResult[Credentials]:
- token = await _get_token_async(self._oidc_token_file_path)
- tea_request = ph.get_new_request()
- tea_request.query = {
- 'Action': 'AssumeRoleWithOIDC',
- 'Format': 'JSON',
- 'Version': '2015-04-01',
- 'DurationSeconds': str(self._duration_seconds),
- 'RoleArn': self._role_arn,
- 'OIDCProviderArn': self._oidc_provider_arn,
- 'OIDCToken': token,
- 'RoleSessionName': self._role_session_name,
- 'Timestamp': ph.get_iso_8061_date()
- }
- if self._policy is not None and self._policy != '':
- tea_request.query['Policy'] = self._policy
- tea_request.protocol = 'https'
- tea_request.headers['host'] = self._sts_endpoint
- response = await TeaCore.async_do_action(tea_request, self._runtime_options)
- if response.status_code != 200:
- raise CredentialException(
- f'error refreshing credentials from oidc_role_arn, http_code: {response.status_code}, result: {response.body.decode("utf-8")}')
- dic = json.loads(response.body.decode('utf-8'))
- if 'Credentials' not in dic:
- raise CredentialException(
- f'error retrieving credentials from oidc_role_arn result: {response.body.decode("utf-8")}')
- cre = dic.get('Credentials')
- if 'AccessKeyId' not in cre or 'AccessKeySecret' not in cre or 'SecurityToken' not in cre:
- raise CredentialException(
- f'error retrieving credentials from oidc_role_arn result: {response.body.decode("utf-8")}')
- # 先转换为时间数组
- time_array = time.strptime(cre.get('Expiration'), '%Y-%m-%dT%H:%M:%SZ')
- # 转换为时间戳
- expiration = calendar.timegm(time_array)
- credentials = Credentials(
- access_key_id=cre.get('AccessKeyId'),
- access_key_secret=cre.get('AccessKeySecret'),
- security_token=cre.get('SecurityToken'),
- expiration=expiration,
- provider_name=self.get_provider_name()
- )
- return RefreshResult(value=credentials,
- stale_time=_get_stale_time(expiration))
- def get_provider_name(self) -> str:
- return 'oidc_role_arn'
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