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o �h!U � @ s� d Z ddlZddlmZ ddlmZ ddlmZ ddlmZ dZdZ d Z d Z d Z G d d � d e �ZG d d� de �ZG dd� de �ZG dd� dej�ZdS )a) Downscoping with Credential Access Boundaries This module provides the ability to downscope credentials using `Downscoping with Credential Access Boundaries`_. This is useful to restrict the Identity and Access Management (IAM) permissions that a short-lived credential can use. To downscope permissions of a source credential, a Credential Access Boundary that specifies which resources the new credential can access, as well as an upper bound on the permissions that are available on each resource, has to be defined. A downscoped credential can then be instantiated using the source credential and the Credential Access Boundary. The common pattern of usage is to have a token broker with elevated access generate these downscoped credentials from higher access source credentials and pass the downscoped short-lived access tokens to a token consumer via some secure authenticated channel for limited access to Google Cloud Storage resources. For example, a token broker can be set up on a server in a private network. Various workloads (token consumers) in the same network will send authenticated requests to that broker for downscoped tokens to access or modify specific google cloud storage buckets. The broker will instantiate downscoped credentials instances that can be used to generate short lived downscoped access tokens that can be passed to the token consumer. These downscoped access tokens can be injected by the consumer into google.oauth2.Credentials and used to initialize a storage client instance to access Google Cloud Storage resources with restricted access. Note: Only Cloud Storage supports Credential Access Boundaries. Other Google Cloud services do not support this feature. .. _Downscoping with Credential Access Boundaries: https://cloud.google.com/iam/docs/downscoping-short-lived-credentials � N)�_helpers)� credentials)� exceptions)�sts� z/urn:ietf:params:oauth:grant-type:token-exchangez-urn:ietf:params:oauth:token-type:access_tokenzhttps://sts.{}/v1/tokenc @ sF e Zd ZdZg fdd�Zedd� �Zejdd� �Zdd� Zd d � Z d S ) �CredentialAccessBoundarya0 Defines a Credential Access Boundary which contains a list of access boundary rules. Each rule contains information on the resource that the rule applies to, the upper bound of the permissions that are available on that resource and an optional condition to further restrict permissions. c C s || _ dS )a� Instantiates a Credential Access Boundary. A Credential Access Boundary can contain up to 10 access boundary rules. Args: rules (Sequence[google.auth.downscoped.AccessBoundaryRule]): The list of access boundary rules limiting the access that a downscoped credential will have. Raises: InvalidType: If any of the rules are not a valid type. InvalidValue: If the provided rules exceed the maximum allowed. N)�rules)�selfr � r �L/usr/local/CyberPanel/lib/python3.10/site-packages/google/auth/downscoped.py�__init__O s z!CredentialAccessBoundary.__init__c C � t | j�S )ai Returns the list of access boundary rules defined on the Credential Access Boundary. Returns: Tuple[google.auth.downscoped.AccessBoundaryRule, ...]: The list of access boundary rules defined on the Credential Access Boundary. These are returned as an immutable tuple to prevent modification. )�tuple�_rules�r r r r r ] s z CredentialAccessBoundary.rulesc C sH t |�tkrt�d�t���|D ] }t|t�s t�d��qt|�| _ dS )a� Updates the current rules on the Credential Access Boundary. This will overwrite the existing set of rules. Args: value (Sequence[google.auth.downscoped.AccessBoundaryRule]): The list of access boundary rules limiting the access that a downscoped credential will have. Raises: InvalidType: If any of the rules are not a valid type. InvalidValue: If the provided rules exceed the maximum allowed. �@Credential access boundary rules can have a maximum of {} rules.zZList of rules provided do not contain a valid 'google.auth.downscoped.AccessBoundaryRule'.N) �len� _MAX_ACCESS_BOUNDARY_RULES_COUNTr � InvalidValue�format� isinstance�AccessBoundaryRule� InvalidType�listr )r �value�access_boundary_ruler r r r i s �� ��c C sB t | j�tkrt�d�t���t|t�st�d��| j � |� dS )a� Adds a single access boundary rule to the existing rules. Args: rule (google.auth.downscoped.AccessBoundaryRule): The access boundary rule, limiting the access that a downscoped credential will have, to be added to the existing rules. Raises: InvalidType: If any of the rules are not a valid type. InvalidValue: If the provided rules exceed the maximum allowed. r zWThe provided rule does not contain a valid 'google.auth.downscoped.AccessBoundaryRule'.N) r r r r r r r r r r �append)r �ruler r r �add_rule� s �� �z!CredentialAccessBoundary.add_rulec C s* g }| j D ] }|�|�� � qdd|iiS )a� Generates the dictionary representation of the Credential Access Boundary. This uses the format expected by the Security Token Service API as documented in `Defining a Credential Access Boundary`_. .. _Defining a Credential Access Boundary: https://cloud.google.com/iam/docs/downscoping-short-lived-credentials#define-boundary Returns: Mapping: Credential Access Boundary Rule represented in a dictionary object. �accessBoundary�accessBoundaryRules)r r �to_json)r r r r r r r! � s z CredentialAccessBoundary.to_jsonN) �__name__� __module__� __qualname__�__doc__r �propertyr �setterr r! r r r r r H s r c @ sr e Zd ZdZ ddd�Zedd� �Zejdd� �Zedd � �Zejd d � �Zed d � �Z e jd d � �Z dd� Z dS )r z�Defines an access boundary rule which contains information on the resource that the rule applies to, the upper bound of the permissions that are available on that resource and an optional condition to further restrict permissions. Nc C � || _ || _|| _dS )ay Instantiates a single access boundary rule. Args: available_resource (str): The full resource name of the Cloud Storage bucket that the rule applies to. Use the format "//storage.googleapis.com/projects/_/buckets/bucket-name". available_permissions (Sequence[str]): A list defining the upper bound that the downscoped token will have on the available permissions for the resource. Each value is the identifier for an IAM predefined role or custom role, with the prefix "inRole:". For example: "inRole:roles/storage.objectViewer". Only the permissions in these roles will be available. availability_condition (Optional[google.auth.downscoped.AvailabilityCondition]): Optional condition that restricts the availability of permissions to specific Cloud Storage objects. Raises: InvalidType: If any of the parameters are not of the expected types. InvalidValue: If any of the parameters are not of the expected values. N)�available_resource�available_permissions�availability_condition)r r) r* r+ r r r r � s zAccessBoundaryRule.__init__c C � | j S )zrReturns the current available resource. Returns: str: The current available resource. )�_available_resourcer r r r r) � � z%AccessBoundaryRule.available_resourcec C � t |t�s t�d��|| _dS )z�Updates the current available resource. Args: value (str): The updated value of the available resource. Raises: google.auth.exceptions.InvalidType: If the value is not a string. z0The provided available_resource is not a string.N)r �strr r r- �r r r r r r) � s � c C r )z�Returns the current available permissions. Returns: Tuple[str, ...]: The current available permissions. These are returned as an immutable tuple to prevent modification. )r �_available_permissionsr r r r r* � s z(AccessBoundaryRule.available_permissionsc C sD |D ]}t |t�st�d��|�d�dkrt�d��qt|�| _dS )a Updates the current available permissions. Args: value (Sequence[str]): The updated value of the available permissions. Raises: InvalidType: If the value is not a list of strings. InvalidValue: If the value is not valid. z9Provided available_permissions are not a list of strings.zinRole:r z6available_permissions must be prefixed with 'inRole:'.N)r r0 r r �findr r r2 )r r �available_permissionr r r r* � s ���c C r, )z�Returns the current availability condition. Returns: Optional[google.auth.downscoped.AvailabilityCondition]: The current availability condition. )�_availability_conditionr r r r r+ s z)AccessBoundaryRule.availability_conditionc C �& t |t�s|durt�d��|| _dS )as Updates the current availability condition. Args: value (Optional[google.auth.downscoped.AvailabilityCondition]): The updated value of the availability condition. Raises: google.auth.exceptions.InvalidType: If the value is not of type google.auth.downscoped.AvailabilityCondition or None. NzdThe provided availability_condition is not a 'google.auth.downscoped.AvailabilityCondition' or None.)r �AvailabilityConditionr r r5 r1 r r r r+ s � c C s* t | j�| jd�}| jr| j�� |d< |S )a� Generates the dictionary representation of the access boundary rule. This uses the format expected by the Security Token Service API as documented in `Defining a Credential Access Boundary`_. .. _Defining a Credential Access Boundary: https://cloud.google.com/iam/docs/downscoping-short-lived-credentials#define-boundary Returns: Mapping: The access boundary rule represented in a dictionary object. )�availablePermissions�availableResource�availabilityCondition)r r* r) r+ r! �r �jsonr r r r! $ s �zAccessBoundaryRule.to_json)N) r" r# r$ r% r r& r) r' r* r+ r! r r r r r � s" � r c @ sp e Zd ZdZddd�Zedd� �Zejdd� �Zedd � �Zejd d � �Zed d � �Z e jd d � �Z dd� Z dS )r7 zsAn optional condition that can be used as part of a Credential Access Boundary to further restrict permissions.Nc C r( )a� Instantiates an availability condition using the provided expression and optional title or description. Args: expression (str): A condition expression that specifies the Cloud Storage objects where permissions are available. For example, this expression makes permissions available for objects whose name starts with "customer-a": "resource.name.startsWith('projects/_/buckets/example-bucket/objects/customer-a')" title (Optional[str]): An optional short string that identifies the purpose of the condition. description (Optional[str]): Optional details about the purpose of the condition. Raises: InvalidType: If any of the parameters are not of the expected types. InvalidValue: If any of the parameters are not of the expected values. N�� expression�title� description)r r> r? r@ r r r r < s z AvailabilityCondition.__init__c C r, )zuReturns the current condition expression. Returns: str: The current conditon expression. )� _expressionr r r r r> Q r. z AvailabilityCondition.expressionc C r/ )z�Updates the current condition expression. Args: value (str): The updated value of the condition expression. Raises: google.auth.exceptions.InvalidType: If the value is not of type string. z(The provided expression is not a string.N)r r0 r r rA r1 r r r r> Z s c C r, )zbReturns the current title. Returns: Optional[str]: The current title. )�_titler r r r r? h r. zAvailabilityCondition.titlec C r6 )z�Updates the current title. Args: value (Optional[str]): The updated value of the title. Raises: google.auth.exceptions.InvalidType: If the value is not of type string or None. Nz+The provided title is not a string or None.)r r0 r r rB r1 r r r r? q s c C r, )znReturns the current description. Returns: Optional[str]: The current description. )� _descriptionr r r r r@ r. z!AvailabilityCondition.descriptionc C r6 )z�Updates the current description. Args: value (Optional[str]): The updated value of the description. Raises: google.auth.exceptions.InvalidType: If the value is not of type string or None. Nz1The provided description is not a string or None.)r r0 r r rC r1 r r r r@ � s � c C s. d| j i}| jr | j|d< | jr| j|d< |S )a� Generates the dictionary representation of the availability condition. This uses the format expected by the Security Token Service API as documented in `Defining a Credential Access Boundary`_. .. _Defining a Credential Access Boundary: https://cloud.google.com/iam/docs/downscoping-short-lived-credentials#define-boundary Returns: Mapping[str, str]: The availability condition represented in a dictionary object. r> r? r@ r= r; r r r r! � s z AvailabilityCondition.to_json)NN) r" r# r$ r% r r& r> r' r? r@ r! r r r r r7 8 s r7 c sP e Zd ZdZdejf� fdd� Ze�ej �dd� �Z e�ej �dd� �Z � Z S ) � Credentialsa; Defines a set of Google credentials that are downscoped from an existing set of Google OAuth2 credentials. This is useful to restrict the Identity and Access Management (IAM) permissions that a short-lived credential can use. The common pattern of usage is to have a token broker with elevated access generate these downscoped credentials from higher access source credentials and pass the downscoped short-lived access tokens to a token consumer via some secure authenticated channel for limited access to Google Cloud Storage resources. Nc sD t t| ��� || _|| _|| _|ptj| _t � t � | j ��| _dS )a` Instantiates a downscoped credentials object using the provided source credentials and credential access boundary rules. To downscope permissions of a source credential, a Credential Access Boundary that specifies which resources the new credential can access, as well as an upper bound on the permissions that are available on each resource, has to be defined. A downscoped credential can then be instantiated using the source credential and the Credential Access Boundary. Args: source_credentials (google.auth.credentials.Credentials): The source credentials to be downscoped based on the provided Credential Access Boundary rules. credential_access_boundary (google.auth.downscoped.CredentialAccessBoundary): The Credential Access Boundary which contains a list of access boundary rules. Each rule contains information on the resource that the rule applies to, the upper bound of the permissions that are available on that resource and an optional condition to further restrict permissions. quota_project_id (Optional[str]): The optional quota project ID. universe_domain (Optional[str]): The universe domain value, default is googleapis.com Raises: google.auth.exceptions.RefreshError: If the source credentials return an error on token refresh. google.auth.exceptions.OAuthError: If the STS token exchange endpoint returned an error during downscoped token generation. N)�superrD r �_source_credentials�_credential_access_boundary�_quota_project_idr �DEFAULT_UNIVERSE_DOMAIN�_universe_domainr �Client�_STS_TOKEN_URL_PATTERNr �universe_domain� _sts_client)r �source_credentials�credential_access_boundary�quota_project_idrM �� __class__r r r � s �zCredentials.__init__c C sz | j �|� t�� }| jj|t| j jtt | j � � d�}|� d�| _|� d�r6t j|� d�d�}|| | _d S | j j| _d S )N)�request� grant_type� subject_token�subject_token_type�requested_token_type�additional_options� access_token� expires_in)�seconds)rF �refreshr �utcnowrN �exchange_token�_STS_GRANT_TYPE�token�_STS_SUBJECT_TOKEN_TYPE�_STS_REQUESTED_TOKEN_TYPErG r! �get�datetime� timedelta�expiry)r rT �now� response_data�lifetimer r r r] � s � zCredentials.refreshc C s | j | j| j|d�S )N)rQ )rS rF rG )r rQ r r r �with_quota_project� s �z Credentials.with_quota_project)r" r# r$ r% r rI r r �copy_docstringrD r] �CredentialsWithQuotaProjectrk � __classcell__r r rR r rD � s � ) rD )r% re � google.authr r r � google.oauth2r r r` rc rL rb �objectr r r7 rm rD r r r r �<module> s $ e t
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