Current File : /home/tradesc/www/relax/wp-content/plugins/google-site-kit/includes/Core/Modules/Module.php
<?php
/**
* Class Google\Site_Kit\Core\Modules\Module
*
* @package Google\Site_Kit
* @copyright 2021 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
* @link https://sitekit.withgoogle.com
*/
namespace Google\Site_Kit\Core\Modules;
use Closure;
use Exception;
use Google\Site_Kit\Context;
use Google\Site_Kit\Core\Assets\Assets;
use Google\Site_Kit\Core\Authentication\Clients\OAuth_Client;
use Google\Site_Kit\Core\Authentication\Exception\Insufficient_Scopes_Exception;
use Google\Site_Kit\Core\Authentication\Exception\Google_Proxy_Code_Exception;
use Google\Site_Kit\Core\Contracts\WP_Errorable;
use Google\Site_Kit\Core\Permissions\Permissions;
use Google\Site_Kit\Core\Storage\Options;
use Google\Site_Kit\Core\Storage\User_Options;
use Google\Site_Kit\Core\Authentication\Authentication;
use Google\Site_Kit\Core\Authentication\Clients\Google_Site_Kit_Client;
use Google\Site_Kit\Core\REST_API\Exception\Invalid_Datapoint_Exception;
use Google\Site_Kit\Core\REST_API\Data_Request;
use Google\Site_Kit\Core\Storage\Transients;
use Google\Site_Kit_Dependencies\Google\Service as Google_Service;
use Google\Site_Kit_Dependencies\Google_Service_Exception;
use Google\Site_Kit_Dependencies\Psr\Http\Message\RequestInterface;
use WP_Error;
/**
* Base class for a module.
*
* @since 1.0.0
* @access private
* @ignore
*
* @property-read string $slug Unique module identifier.
* @property-read string $name Module name.
* @property-read string $description Module description.
* @property-read int $order Module order within module lists.
* @property-read string $homepage External module homepage URL.
* @property-read array $depends_on List of other module slugs the module depends on.
* @property-read bool $force_active Whether the module cannot be disabled.
* @property-read bool $internal Whether the module is internal, thus without any UI.
*/
abstract class Module {
/**
* Plugin context.
*
* @since 1.0.0
* @var Context
*/
protected $context;
/**
* Option API instance.
*
* @since 1.0.0
* @var Options
*/
protected $options;
/**
* User Option API instance.
*
* @since 1.0.0
* @var User_Options
*/
protected $user_options;
/**
* Authentication instance.
*
* @since 1.0.0
* @var Authentication
*/
protected $authentication;
/**
* Assets API instance.
*
* @since 1.40.0
* @var Assets
*/
protected $assets;
/**
* Transients instance.
*
* @since 1.96.0
* @var Transients
*/
protected $transients;
/**
* Module information.
*
* @since 1.0.0
* @var array
*/
private $info = array();
/**
* Google API client instance.
*
* @since 1.0.0
* @var Google_Site_Kit_Client|null
*/
private $google_client;
/**
* Google services as $identifier => $service_instance pairs.
*
* @since 1.0.0
* @var array|null
*/
private $google_services;
/**
* Constructor.
*
* @since 1.0.0
*
* @param Context $context Plugin context.
* @param Options $options Optional. Option API instance. Default is a new instance.
* @param User_Options $user_options Optional. User Option API instance. Default is a new instance.
* @param Authentication $authentication Optional. Authentication instance. Default is a new instance.
* @param Assets $assets Optional. Assets API instance. Default is a new instance.
*/
public function __construct(
Context $context,
Options $options = null,
User_Options $user_options = null,
Authentication $authentication = null,
Assets $assets = null
) {
$this->context = $context;
$this->options = $options ?: new Options( $this->context );
$this->user_options = $user_options ?: new User_Options( $this->context );
$this->authentication = $authentication ?: new Authentication( $this->context, $this->options, $this->user_options );
$this->assets = $assets ?: new Assets( $this->context );
$this->transients = new Transients( $this->context );
$this->info = $this->parse_info( (array) $this->setup_info() );
}
/**
* Registers functionality through WordPress hooks.
*
* @since 1.0.0
*/
abstract public function register();
/**
* Magic isset-er.
*
* Allows checking for existence of module information.
*
* @since 1.0.0
*
* @param string $key Key to check..
* @return bool True if value for $key is available, false otherwise.
*/
final public function __isset( $key ) {
return isset( $this->info[ $key ] );
}
/**
* Magic getter.
*
* Allows reading module information.
*
* @since 1.0.0
*
* @param string $key Key to get value for.
* @return mixed Value for $key, or null if not available.
*/
final public function __get( $key ) {
if ( ! isset( $this->info[ $key ] ) ) {
return null;
}
return $this->info[ $key ];
}
/**
* Checks whether the module is connected.
*
* A module being connected means that all steps required as part of its activation are completed.
*
* @since 1.0.0
*
* @return bool True if module is connected, false otherwise.
*/
public function is_connected() {
return true;
}
/**
* Gets data for the given datapoint.
*
* @since 1.0.0
*
* @param string $datapoint Datapoint to get data for.
* @param array|Data_Request $data Optional. Contextual data to provide. Default empty array.
* @return mixed Data on success, or WP_Error on failure.
*/
final public function get_data( $datapoint, $data = array() ) {
return $this->execute_data_request(
new Data_Request( 'GET', 'modules', $this->slug, $datapoint, $data )
);
}
/**
* Sets data for the given datapoint.
*
* @since 1.0.0
*
* @param string $datapoint Datapoint to get data for.
* @param array|Data_Request $data Data to set.
* @return mixed Response data on success, or WP_Error on failure.
*/
final public function set_data( $datapoint, $data ) {
return $this->execute_data_request(
new Data_Request( 'POST', 'modules', $this->slug, $datapoint, $data )
);
}
/**
* Returns the list of datapoints the class provides data for.
*
* @since 1.0.0
*
* @return array List of datapoints.
*/
final public function get_datapoints() {
$keys = array();
$definitions = $this->get_datapoint_definitions();
foreach ( array_keys( $definitions ) as $key ) {
$parts = explode( ':', $key );
$name = end( $parts );
if ( ! empty( $name ) ) {
$keys[ $name ] = $name;
}
}
return array_values( $keys );
}
/**
* Returns the mapping between available datapoints and their services.
*
* @since 1.0.0
* @since 1.9.0 No longer abstract.
* @deprecated 1.12.0
*
* @return array Associative array of $datapoint => $service_identifier pairs.
*/
protected function get_datapoint_services() {
_deprecated_function( __METHOD__, '1.12.0', static::class . '::get_datapoint_definitions' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
return array();
}
/**
* Gets map of datapoint to definition data for each.
*
* @since 1.9.0
*
* @return array Map of datapoints to their definitions.
*/
protected function get_datapoint_definitions() {
return array();
}
/**
* Gets the datapoint definition instance.
*
* @since 1.77.0
*
* @param string $datapoint_id Datapoint ID.
* @return Datapoint Datapoint instance.
* @throws Invalid_Datapoint_Exception Thrown if no datapoint exists by the given ID.
*/
protected function get_datapoint_definition( $datapoint_id ) {
$definitions = $this->get_datapoint_definitions();
// All datapoints must be defined.
if ( empty( $definitions[ $datapoint_id ] ) ) {
throw new Invalid_Datapoint_Exception();
}
return new Datapoint( $definitions[ $datapoint_id ] );
}
/**
* Creates a request object for the given datapoint.
*
* @since 1.0.0
*
* @param Data_Request $data Data request object.
*
* // phpcs:ignore Squiz.Commenting.FunctionComment.InvalidNoReturn
* @return RequestInterface|callable|WP_Error Request object or callable on success, or WP_Error on failure.
* @throws Invalid_Datapoint_Exception Override in a sub-class.
*/
protected function create_data_request( Data_Request $data ) { // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found,Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed
throw new Invalid_Datapoint_Exception();
}
/**
* Parses a response for the given datapoint.
*
* @since 1.0.0
*
* @param Data_Request $data Data request object.
* @param mixed $response Request response.
*
* @return mixed Parsed response data on success, or WP_Error on failure.
*/
protected function parse_data_response( Data_Request $data, $response ) {
return $response;
}
/**
* Creates a request object for the given datapoint.
*
* @since 1.0.0
*
* @param Data_Request $data Data request object.
* @return mixed Data on success, or WP_Error on failure.
*/
final protected function execute_data_request( Data_Request $data ) {
$restore_defers = array();
try {
$datapoint = $this->get_datapoint_definition( "{$data->method}:{$data->datapoint}" );
$oauth_client = $this->get_oauth_client_for_datapoint( $datapoint );
$this->validate_datapoint_scopes( $datapoint, $oauth_client );
$this->validate_base_scopes( $oauth_client );
// In order for a request to leverage a client other than the default
// it must return a RequestInterface (Google Services return this when defer = true).
// If not deferred, the request will be executed immediately with the client
// the service instance was instantiated with, which will always be the
// default client, configured for the current user and provided in `get_service`.
// Client defer is false by default, so we need to configure the default to defer
// even if a different client will be the one to execute the request because
// the default instance is what services are setup with.
$restore_defers[] = $this->get_client()->withDefer( true );
if ( $this->authentication->get_oauth_client() !== $oauth_client ) {
$restore_defers[] = $oauth_client->get_client()->withDefer( true );
$current_user = wp_get_current_user();
// Adds the current user to the active consumers list.
$oauth_client->add_active_consumer( $current_user );
}
$request = $this->create_data_request( $data );
if ( is_wp_error( $request ) ) {
return $request;
} elseif ( $request instanceof Closure ) {
$response = $request();
} elseif ( $request instanceof RequestInterface ) {
$response = $oauth_client->get_client()->execute( $request );
} else {
return new WP_Error(
'invalid_datapoint_request',
__( 'Invalid datapoint request.', 'google-site-kit' ),
array( 'status' => 400 )
);
}
} catch ( Exception $e ) {
return $this->exception_to_error( $e, $data->datapoint );
} finally {
foreach ( $restore_defers as $restore_defer ) {
$restore_defer();
}
}
if ( is_wp_error( $response ) ) {
return $response;
}
return $this->parse_data_response( $data, $response );
}
/**
* Validates necessary scopes for the given datapoint.
*
* @since 1.77.0
*
* @param Datapoint $datapoint Datapoint instance.
* @param OAuth_Client $oauth_client OAuth_Client instance.
* @throws Insufficient_Scopes_Exception Thrown if required scopes are not satisfied.
*/
private function validate_datapoint_scopes( Datapoint $datapoint, OAuth_Client $oauth_client ) {
$required_scopes = $datapoint->get_required_scopes();
if ( $required_scopes && ! $oauth_client->has_sufficient_scopes( $required_scopes ) ) {
$message = $datapoint->get_request_scopes_message();
throw new Insufficient_Scopes_Exception( $message, 0, null, $required_scopes );
}
}
/**
* Validates necessary scopes for the module.
*
* @since 1.77.0
*
* @param OAuth_Client $oauth_client OAuth_Client instance.
* @throws Insufficient_Scopes_Exception Thrown if required scopes are not satisfied.
*/
private function validate_base_scopes( OAuth_Client $oauth_client ) {
if ( ! $this instanceof Module_With_Scopes ) {
return;
}
if ( ! $oauth_client->has_sufficient_scopes( $this->get_scopes() ) ) {
$message = sprintf(
/* translators: %s: module name */
__( 'Site Kit can’t access the relevant data from %s because you haven’t granted all permissions requested during setup.', 'google-site-kit' ),
$this->name
);
throw new Insufficient_Scopes_Exception( $message, 0, null, $this->get_scopes() );
}
}
/**
* Gets the output for a specific frontend hook.
*
* @since 1.0.0
*
* @param string $hook Frontend hook name, e.g. 'wp_head', 'wp_footer', etc.
* @return string Output the hook generates.
*/
final protected function get_frontend_hook_output( $hook ) {
$current_user_id = get_current_user_id();
// Unset current user to make WordPress behave as if nobody was logged in.
wp_set_current_user( false );
ob_start();
do_action( $hook );
$output = ob_get_clean();
// Restore the current user.
wp_set_current_user( $current_user_id );
return $output;
}
/**
* Gets the Google client the module uses.
*
* This method should be used to access the client.
*
* @since 1.0.0
* @since 1.2.0 Now returns Google_Site_Kit_Client instance.
* @since 1.35.0 Updated to be public.
*
* @return Google_Site_Kit_Client Google client instance.
*
* @throws Exception Thrown when the module did not correctly set up the client.
*/
final public function get_client() {
if ( null === $this->google_client ) {
$client = $this->setup_client();
if ( ! $client instanceof Google_Site_Kit_Client ) {
throw new Exception( __( 'Google client not set up correctly.', 'google-site-kit' ) );
}
$this->google_client = $client;
}
return $this->google_client;
}
/**
* Gets the oAuth client instance to use for the given datapoint.
*
* @since 1.77.0
*
* @param Datapoint $datapoint Datapoint definition.
* @return OAuth_Client OAuth_Client instance.
*/
private function get_oauth_client_for_datapoint( Datapoint $datapoint ) {
if (
$this instanceof Module_With_Owner
&& $this->is_shareable()
&& $datapoint->is_shareable()
&& $this->get_owner_id() !== get_current_user_id()
&& ! $this->is_recoverable()
&& current_user_can( Permissions::READ_SHARED_MODULE_DATA, $this->slug )
) {
$oauth_client = $this->get_owner_oauth_client();
try {
$this->validate_base_scopes( $oauth_client );
return $oauth_client;
} catch ( Exception $exception ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedCatch
// Fallthrough to default oauth client if scopes are unsatisfied.
}
}
return $this->authentication->get_oauth_client();
}
/**
* Gets the Google service for the given identifier.
*
* This method should be used to access Google services.
*
* @since 1.0.0
*
* @param string $identifier Identifier for the service.
* @return Google_Service Google service instance.
*
* @throws Exception Thrown when the module did not correctly set up the services or when the identifier is invalid.
*/
final protected function get_service( $identifier ) {
if ( null === $this->google_services ) {
$services = $this->setup_services( $this->get_client() );
if ( ! is_array( $services ) ) {
throw new Exception( __( 'Google services not set up correctly.', 'google-site-kit' ) );
}
foreach ( $services as $service ) {
if ( ! $service instanceof Google_Service ) {
throw new Exception( __( 'Google services not set up correctly.', 'google-site-kit' ) );
}
}
$this->google_services = $services;
}
if ( ! isset( $this->google_services[ $identifier ] ) ) {
/* translators: %s: service identifier */
throw new Exception( sprintf( __( 'Google service identified by %s does not exist.', 'google-site-kit' ), $identifier ) );
}
return $this->google_services[ $identifier ];
}
/**
* Sets up information about the module.
*
* @since 1.0.0
*
* @return array Associative array of module info.
*/
abstract protected function setup_info();
/**
* Sets up the Google client the module should use.
*
* This method is invoked once by {@see Module::get_client()} to lazily set up the client when it is requested
* for the first time.
*
* @since 1.0.0
* @since 1.2.0 Now returns Google_Site_Kit_Client instance.
*
* @return Google_Site_Kit_Client Google client instance.
*/
protected function setup_client() {
return $this->authentication->get_oauth_client()->get_client();
}
/**
* Sets up the Google services the module should use.
*
* This method is invoked once by {@see Module::get_service()} to lazily set up the services when one is requested
* for the first time.
*
* @since 1.0.0
* @since 1.2.0 Now requires Google_Site_Kit_Client instance.
*
* @param Google_Site_Kit_Client $client Google client instance.
* @return array Google services as $identifier => $service_instance pairs. Every $service_instance must be an
* instance of Google_Service.
*/
protected function setup_services( Google_Site_Kit_Client $client ) {// phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.Found
return array();
}
/**
* Sets whether or not to return raw requests and returns a callback to reset to the previous value.
*
* @since 1.2.0
*
* @param bool $defer Whether or not to return raw requests.
* @return callable Callback function that resets to the original $defer value.
*/
protected function with_client_defer( $defer ) {
return $this->get_client()->withDefer( $defer );
}
/**
* Parses information about the module.
*
* @since 1.0.0
*
* @param array $info Associative array of module info.
* @return array Parsed $info.
*/
private function parse_info( array $info ) {
$info = wp_parse_args(
$info,
array(
'slug' => '',
'name' => '',
'description' => '',
'order' => 10,
'homepage' => '',
'feature' => '',
'depends_on' => array(),
'force_active' => static::is_force_active(),
'internal' => false,
)
);
if ( empty( $info['name'] ) && ! empty( $info['slug'] ) ) {
$info['name'] = $info['slug'];
}
$info['depends_on'] = (array) $info['depends_on'];
return $info;
}
/**
* Transforms an exception into a WP_Error object.
*
* @since 1.0.0
* @since 1.49.0 Uses the new `Google_Proxy::setup_url_v2` method when the `serviceSetupV2` feature flag is enabled.
* @since 1.70.0 $datapoint parameter is optional.
*
* @param Exception $e Exception object.
* @param string $datapoint Optional. Datapoint originally requested. Default is an empty string.
* @return WP_Error WordPress error object.
*/
protected function exception_to_error( Exception $e, $datapoint = '' ) { // phpcs:ignore phpcs:enable Generic.CodeAnalysis.UnusedFunctionParameter.Found,Generic.CodeAnalysis.UnusedFunctionParameter.FoundAfterLastUsed
if ( $e instanceof WP_Errorable ) {
return $e->to_wp_error();
}
$code = $e->getCode();
$message = $e->getMessage();
$status = is_numeric( $code ) && $code ? (int) $code : 500;
$reason = '';
$reconnect_url = '';
if ( $e instanceof Google_Service_Exception ) {
$errors = $e->getErrors();
if ( isset( $errors[0]['message'] ) ) {
$message = $errors[0]['message'];
}
if ( isset( $errors[0]['reason'] ) ) {
$reason = $errors[0]['reason'];
}
} elseif ( $e instanceof Google_Proxy_Code_Exception ) {
$status = 401;
$code = $message;
$auth_client = $this->authentication->get_oauth_client();
$message = $auth_client->get_error_message( $code );
$google_proxy = $this->authentication->get_google_proxy();
$credentials = $this->authentication->credentials()->get();
$params = array(
'code' => $e->getAccessCode(),
'site_id' => ! empty( $credentials['oauth2_client_id'] ) ? $credentials['oauth2_client_id'] : '',
);
$params = $google_proxy->add_setup_step_from_error_code( $params, $code );
$reconnect_url = $google_proxy->setup_url( $params );
}
if ( empty( $code ) ) {
$code = 'unknown';
}
$data = array(
'status' => $status,
'reason' => $reason,
);
if ( ! empty( $reconnect_url ) ) {
$data['reconnectURL'] = $reconnect_url;
}
return new WP_Error( $code, $message, $data );
}
/**
* Parses the string list into an array of strings.
*
* @since 1.15.0
*
* @param string|array $items Items to parse.
* @return array An array of string items.
*/
protected function parse_string_list( $items ) {
if ( is_string( $items ) ) {
$items = explode( ',', $items );
}
if ( ! is_array( $items ) || empty( $items ) ) {
return array();
}
$items = array_map(
function ( $item ) {
if ( ! is_string( $item ) ) {
return false;
}
$item = trim( $item );
if ( empty( $item ) ) {
return false;
}
return $item;
},
$items
);
$items = array_filter( $items );
$items = array_values( $items );
return $items;
}
/**
* Determines whether the current request is for shared data.
*
* @since 1.98.0
*
* @param Data_Request $data Data request object.
* @return bool TRUE if the request is for shared data, otherwise FALSE.
*/
protected function is_shared_data_request( Data_Request $data ) {
$datapoint = $this->get_datapoint_definition( "{$data->method}:{$data->datapoint}" );
$oauth_client = $this->get_oauth_client_for_datapoint( $datapoint );
if ( $this->authentication->get_oauth_client() !== $oauth_client ) {
return true;
}
return false;
}
/**
* Determines whether the current module is forced to be active or not.
*
* @since 1.49.0
*
* @return bool TRUE if the module forced to be active, otherwise FALSE.
*/
public static function is_force_active() {
return false;
}
/**
* Checks whether the module is shareable.
*
* @since 1.50.0
*
* @return bool True if module is shareable, false otherwise.
*/
public function is_shareable() {
if ( $this instanceof Module_With_Owner && $this->is_connected() ) {
$datapoints = $this->get_datapoint_definitions();
foreach ( $datapoints as $details ) {
if ( ! empty( $details['shareable'] ) ) {
return true;
}
}
}
return false;
}
/**
* Checks whether the module is recoverable.
*
* @since 1.78.0
*
* @return bool
*/
public function is_recoverable() {
/**
* Filters the recoverable status of the module.
*
* @since 1.78.0
* @param bool $_ Whether or not the module is recoverable. Default: false
* @param string $slug Module slug.
*/
return (bool) apply_filters( 'googlesitekit_is_module_recoverable', false, $this->slug );
}
}
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