コード例 #1
0
 def __init__(self, duration_seconds=MAX_ENTRY_LIFE_TIME,
              refresh_ahead=DEFAULT_REFRESH_AHEAD):
     """
     Creates an AccessTokenProvider with the specified cache duration. The
     duration specifies the lifetime of an AT in the cache. Setting the
     duration too large runs the risk that client requests may stall because
     a current token is not available or expired. Setting the duration too
     small means that there may be unnecessary overhead due to token renewal.
     """
     self._timer = None
     # Refresh time before AT expired from cache.
     self._refresh_ahead_s = refresh_ahead
     CheckValue.check_int_gt_zero(duration_seconds, 'duration_seconds')
     if duration_seconds > AccessTokenProvider.MAX_ENTRY_LIFE_TIME:
         raise IllegalArgumentException(
             'Access token cannot be cached longer than ' +
             str(AccessTokenProvider.MAX_ENTRY_LIFE_TIME) + ' seconds')
     self._duration_seconds = duration_seconds
     self._at_cache = Memoize(self._duration_seconds)
     # AT refresh interval, if zero, no refresh will be scheduled.
     self._refresh_interval_s = (
         self._duration_seconds - self._refresh_ahead_s if
         self._duration_seconds > self._refresh_ahead_s else 0)
コード例 #2
0
ファイル: idcs.py プロジェクト: y-polonsk/nosql-python-sdk
 def __init__(
         self,
         idcs_props_file=_DEFAULT_PROPS_FILE,
         idcs_url=None,
         entitlement_id=None,
         creds_provider=None,
         timeout_ms=Utils.DEFAULT_TIMEOUT_MS,
         cache_duration_seconds=AccessTokenProvider.MAX_ENTRY_LIFE_TIME,
         refresh_ahead=AccessTokenProvider.DEFAULT_REFRESH_AHEAD):
     # Constructs a default access token provider.
     if idcs_url is None:
         CheckValue.check_str(idcs_props_file, 'idcs_props_file')
         super(DefaultAccessTokenProvider, self).__init__(
             DefaultAccessTokenProvider.MAX_ENTRY_LIFE_TIME,
             DefaultAccessTokenProvider.DEFAULT_REFRESH_AHEAD)
         self.__idcs_url = self.__get_idcs_url(idcs_props_file)
         entitlement = self.__get_entitlement_id(idcs_props_file)
         self.__creds_provider = (
             PropertiesCredentialsProvider().set_properties_file(
                 self.__get_credential_file(idcs_props_file)))
         self.__timeout_ms = Utils.DEFAULT_TIMEOUT_MS
     else:
         CheckValue.check_str(idcs_url, 'idcs_url')
         self.__is_credentials_provider(creds_provider)
         CheckValue.check_int_gt_zero(timeout_ms, 'timeout_ms')
         CheckValue.check_int_gt_zero(cache_duration_seconds,
                                      'cache_duration_seconds')
         CheckValue.check_int_gt_zero(refresh_ahead, 'refresh_ahead')
         super(DefaultAccessTokenProvider,
               self).__init__(cache_duration_seconds, refresh_ahead)
         self.__idcs_url = idcs_url
         entitlement = entitlement_id
         self.__creds_provider = (PropertiesCredentialsProvider()
                                  if creds_provider is None else
                                  creds_provider)
         self.__timeout_ms = timeout_ms
     url = urlparse(self.__idcs_url)
     self.__host = url.hostname
     self.__andc_fqs = None
     if entitlement is not None:
         CheckValue.check_str(entitlement, 'entitlement_id')
         self.__andc_fqs = (AccessTokenProvider.ANDC_AUD_PREFIX +
                            entitlement + AccessTokenProvider.SCOPE)
     self.__psm_fqs = None
     self.__logger = None
     self.__logutils = LogUtils()
     self.__sess = Session()
     self.__request_utils = RequestUtils(self.__sess, self.__logutils)
コード例 #3
0
    def __init__(self,
                 provider=None,
                 config_file=None,
                 profile_name=None,
                 tenant_id=None,
                 user_id=None,
                 fingerprint=None,
                 private_key=None,
                 pass_phrase=None,
                 region=None,
                 duration_seconds=MAX_ENTRY_LIFE_TIME,
                 refresh_ahead=DEFAULT_REFRESH_AHEAD):
        """
        The SignatureProvider that generates and caches request signature.
        """
        #
        # This class depends on the oci package
        #
        if oci is None:
            raise ImportError('Package "oci" is required; please install.')

        CheckValue.check_int_gt_zero(duration_seconds, 'duration_seconds')
        CheckValue.check_int_gt_zero(refresh_ahead, 'refresh_ahead')
        if duration_seconds > SignatureProvider.MAX_ENTRY_LIFE_TIME:
            raise IllegalArgumentException(
                'Access token cannot be cached longer than ' +
                str(SignatureProvider.MAX_ENTRY_LIFE_TIME) + ' seconds.')

        self._region = None
        if provider is not None:
            if not isinstance(
                    provider,
                (oci.signer.Signer, oci.auth.signers.SecurityTokenSigner)):
                raise IllegalArgumentException(
                    'provider should be an instance of oci.signer.Signer or ' +
                    'oci.auth.signers.SecurityTokenSigner.')
            self._provider = provider
            try:
                region_id = provider.region
            except AttributeError:
                region_id = None
            if region_id is not None:
                self._region = Regions.from_region_id(region_id)
        elif (tenant_id is None or user_id is None or fingerprint is None
              or private_key is None):
            CheckValue.check_str(config_file, 'config_file', True)
            CheckValue.check_str(profile_name, 'profile_name', True)
            if config_file is None and profile_name is None:
                # Use default user profile and private key from default path of
                # configuration file ~/.oci/config.
                config = oci.config.from_file()
            elif config_file is None and profile_name is not None:
                # Use user profile with given profile name and private key from
                # default path of configuration file ~/.oci/config.
                config = oci.config.from_file(profile_name=profile_name)
            elif config_file is not None and profile_name is None:
                # Use user profile with default profile name and private key
                # from specified configuration file.
                config = oci.config.from_file(file_location=config_file)
            else:  # config_file is not None and profile_name is not None
                # Use user profile with given profile name and private key from
                # specified configuration file.
                config = oci.config.from_file(file_location=config_file,
                                              profile_name=profile_name)
            self._provider = oci.signer.Signer(config['tenancy'],
                                               config['user'],
                                               config['fingerprint'],
                                               config['key_file'],
                                               config.get('pass_phrase'),
                                               config.get('key_content'))
            region_id = config.get('region')
            if region_id is not None:
                self._provider.region = region_id
                self._region = Regions.from_region_id(region_id)
        else:
            CheckValue.check_str(tenant_id, 'tenant_id')
            CheckValue.check_str(user_id, 'user_id')
            CheckValue.check_str(fingerprint, 'fingerprint')
            CheckValue.check_str(private_key, 'private_key')
            CheckValue.check_str(pass_phrase, 'pass_phrase', True)
            if path.isfile(private_key):
                key_file = private_key
                key_content = None
            else:
                key_file = None
                key_content = private_key
            self._provider = oci.signer.Signer(tenant_id, user_id, fingerprint,
                                               key_file, pass_phrase,
                                               key_content)
            if region is not None:
                if not isinstance(region, Region):
                    raise IllegalArgumentException(
                        'region must be an instance of an instance of Region.')
                self._provider.region = region.get_region_id()
                self._region = region

        self._signature_cache = Memoize(duration_seconds)
        self._refresh_interval_s = (duration_seconds - refresh_ahead
                                    if duration_seconds > refresh_ahead else 0)

        # Refresh timer.
        self._timer = None
        self._service_url = None
        self._logger = None
        self._logutils = LogUtils()
        self._sess = Session()
        self._request_utils = RequestUtils(self._sess, self._logutils)