type bool|null $readonly Optional. If true, the ability does not modify its environment. * @type bool|null $destructive Optional. If true, the ability may perform destructive updates to its environment. * If false, the ability performs only additive updates. * @type bool|null $idempotent Optional. If true, calling the ability repeatedly with the same arguments * will have no additional effect on its environment. * } * @type bool $show_in_rest Optional. Whether to expose this ability in the REST API. Default false. * } * } */ public function __construct( string $name, array $args ) { $this->name = $name; $properties = $this->prepare_properties( $args ); foreach ( $properties as $property_name => $property_value ) { if ( ! property_exists( $this, $property_name ) ) { _doing_it_wrong( __METHOD__, sprintf( /* translators: %s: Property name. */ __( 'Property "%1$s" is not a valid property for ability "%2$s". Please check the %3$s class for allowed properties.' ), '' . esc_html( $property_name ) . '', '' . esc_html( $this->name ) . '', '' . __CLASS__ . '' ), '6.9.0' ); continue; } $this->$property_name = $property_value; } } /** * Prepares and validates the properties used to instantiate the ability. * * Errors are thrown as exceptions instead of WP_Errors to allow for simpler handling and overloading. They are then * caught and converted to a WP_Error when by WP_Abilities_Registry::register(). * * @since 6.9.0 * * @see WP_Abilities_Registry::register() * * @param array $args { * An associative array of arguments used to instantiate the ability class. * * @type string $label The human-readable label for the ability. * @type string $description A detailed description of what the ability does. * @type string $category The ability category slug this ability belongs to. * @type callable $execute_callback A callback function to execute when the ability is invoked. * Receives optional mixed input and returns mixed result or WP_Error. * @type callable $permission_callback A callback function to check permissions before execution. * Receives optional mixed input and returns bool or WP_Error. * @type array $input_schema Optional. JSON Schema definition for the ability's input. Required if ability accepts an input. * @type array $output_schema Optional. JSON Schema definition for the ability's output. * @type array $meta { * Optional. Additional metadata for the ability. * * @type array $annotations { * Optional. Semantic annotations describing the ability's behavioral characteristics. * These annotations are hints for tooling and documentation. * * @type bool|null $readonly Optional. If true, the ability does not modify its environment. * @type bool|null $destructive Optional. If true, the ability may perform destructive updates to its environment. * If false, the ability performs only additive updates. * @type bool|null $idempotent Optional. If true, calling the ability repeatedly with the same arguments * will have no additional effect on its environment. * } * @type bool $show_in_rest Optional. Whether to expose this ability in the REST API. Default false. * } * } * @return array { * An associative array of arguments with validated and prepared properties for the ability class. * * @type string $label The human-readable label for the ability. * @type string $description A detailed description of what the ability does. * @type string $category The ability category slug this ability belongs to. * @type callable $execute_callback A callback function to execute when the ability is invoked. * Receives optional mixed input and returns mixed result or WP_Error. * @type callable $permission_callback A callback function to check permissions before execution. * Receives optional mixed input and returns bool or WP_Error. * @type array $input_schema Optional. JSON Schema definition for the ability's input. * @type array $output_schema Optional. JSON Schema definition for the ability's output. * @type array $meta { * Additional metadata for the ability. * * @type array $annotations { * Semantic annotations describing the ability's behavioral characteristics. * These annotations are hints for tooling and documentation. * * @type bool|null $readonly If true, the ability does not modify its environment. * @type bool|null $destructive If true, the ability may perform destructive updates to its environment. * If false, the ability performs only additive updates. * @type bool|null $idempotent If true, calling the ability repeatedly with the same arguments * will have no additional effect on its environment. * } * @type bool $show_in_rest Whether to expose this ability in the REST API. Default false. * } * } * @throws InvalidArgumentException if an argument is invalid. */ protected function prepare_properties( array $args ): array { // Required args must be present and of the correct type. if ( empty( $args['label'] ) || ! is_string( $args['label'] ) ) { throw new InvalidArgumentException( __( 'The ability properties must contain a `label` string.' ) ); } if ( empty( $args['description'] ) || ! is_string( $args['description'] ) ) { throw new InvalidArgumentException( __( 'The ability properties must contain a `description` string.' ) ); } if ( empty( $args['category'] ) || ! is_string( $args['category'] ) ) { throw new InvalidArgumentException( __( 'The ability properties must contain a `category` string.' ) ); } if ( empty( $args['execute_callback'] ) || ! is_callable( $args['execute_callback'] ) ) { throw new InvalidArgumentException( __( 'The ability properties must contain a valid `execute_callback` function.' ) ); } if ( empty( $args['permission_callback'] ) || ! is_callable( $args['permission_callback'] ) ) { throw new InvalidArgumentException( __( 'The ability properties must provide a valid `permission_callback` function.' ) ); } // Optional args only need to be of the correct type if they are present. if ( isset( $args['input_schema'] ) && ! is_array( $args['input_schema'] ) ) { throw new InvalidArgumentException( __( 'The ability properties should provide a valid `input_schema` definition.' ) ); } if ( isset( $args['output_schema'] ) && ! is_array( $args['output_schema'] ) ) { throw new InvalidArgumentException( __( 'The ability properties should provide a valid `output_schema` definition.' ) ); } if ( isset( $args['meta'] ) && ! is_array( $args['meta'] ) ) { throw new InvalidArgumentException( __( 'The ability properties should provide a valid `meta` array.' ) ); } if ( isset( $args['meta']['annotations'] ) && ! is_array( $args['meta']['annotations'] ) ) { throw new InvalidArgumentException( __( 'The ability meta should provide a valid `annotations` array.' ) ); } if ( isset( $args['meta']['show_in_rest'] ) && ! is_bool( $args['meta']['show_in_rest'] ) ) { throw new InvalidArgumentException( __( 'The ability meta should provide a valid `show_in_rest` boolean.' ) ); } // Set defaults for optional meta. $args['meta'] = wp_parse_args( $args['meta'] ?? array(), array( 'annotations' => static::$default_annotations, 'show_in_rest' => self::DEFAULT_SHOW_IN_REST, ) ); $args['meta']['annotations'] = wp_parse_args( $args['meta']['annotations'], static::$default_annotations ); return $args; } /** * Retrieves the name of the ability, with its namespace. * Example: `my-plugin/my-ability`. * * @since 6.9.0 * * @return string The ability name, with its namespace. */ public function get_name(): string { return $this->name; } /** * Retrieves the human-readable label for the ability. * * @since 6.9.0 * * @return string The human-readable ability label. */ public function get_label(): string { return $this->label; } /** * Retrieves the detailed description for the ability. * * @since 6.9.0 * * @return string The detailed description for the ability. */ public function get_description(): string { return $this->description; } /** * Retrieves the ability category for the ability. * * @since 6.9.0 * * @return string The ability category for the ability. */ public function get_category(): string { return $this->category; } /** * Retrieves the input schema for the ability. * * @since 6.9.0 * * @return array The input schema for the ability. */ public function get_input_schema(): array { return $this->input_schema; } /** * Retrieves the output schema for the ability. * * @since 6.9.0 * * @return array The output schema for the ability. */ public function get_output_schema(): array { return $this->output_schema; } /** * Retrieves the metadata for the ability. * * @since 6.9.0 * * @return array The metadata for the ability. */ public function get_meta(): array { return $this->meta; } /** * Retrieves a specific metadata item for the ability. * * @since 6.9.0 * * @param string $key The metadata key to retrieve. * @param mixed $default_value Optional. The default value to return if the metadata item is not found. Default `null`. * @return mixed The value of the metadata item, or the default value if not found. */ public function get_meta_item( string $key, $default_value = null ) { return array_key_exists( $key, $this->meta ) ? $this->meta[ $key ] : $default_value; } /** * Normalizes the input for the ability, applying the default value from the input schema when needed. * * When no input is provided and the input schema is defined with a top-level `default` key, this method returns * the value of that key. If the input schema does not define a `default`, or if the input schema is empty, * this method returns null. If input is provided, it is returned as-is. * * @since 6.9.0 * * @param mixed $input Optional. The raw input provided for the ability. Default `null`. * @return mixed The same input, or the default from schema, or `null` if default not set. */ public function normalize_input( $input = null ) { if ( null !== $input ) { return $input; } $input_schema = $this->get_input_schema(); if ( ! empty( $input_schema ) && array_key_exists( 'default', $input_schema ) ) { return $input_schema['default']; } return null; } /** * Validates input data against the input schema. * * @since 6.9.0 * * @param mixed $input Optional. The input data to validate. Default `null`. * @return true|WP_Error Returns true if valid or the WP_Error object if validation fails. */ public function validate_input( $input = null ) { $input_schema = $this->get_input_schema(); if ( empty( $input_schema ) ) { if ( null === $input ) { return true; } return new WP_Error( 'ability_missing_input_schema', sprintf( /* translators: %s ability name. */ __( 'Ability "%s" does not define an input schema required to validate the provided input.' ), esc_html( $this->name ) ) ); } $valid_input = rest_validate_value_from_schema( $input, $input_schema, 'input' ); if ( is_wp_error( $valid_input ) ) { return new WP_Error( 'ability_invalid_input', sprintf( /* translators: %1$s ability name, %2$s error message. */ __( 'Ability "%1$s" has invalid input. Reason: %2$s' ), esc_html( $this->name ), $valid_input->get_error_message() ) ); } return true; } /** * Invokes a callable, ensuring the input is passed through only if the input schema is defined. * * @since 6.9.0 * * @param callable $callback The callable to invoke. * @param mixed $input Optional. The input data for the ability. Default `null`. * @return mixed The result of the callable execution. */ protected function invoke_callback( callable $callback, $input = null ) { $args = array(); if ( ! empty( $this->get_input_schema() ) ) { $args[] = $input; } return $callback( ...$args ); } /** * Checks whether the ability has the necessary permissions. * * Please note that input is not automatically validated against the input schema. * Use `validate_input()` method to validate input before calling this method if needed. * * @since 6.9.0 * * @see validate_input() * * @param mixed $input Optional. The valid input data for permission checking. Default `null`. * @return bool|WP_Error Whether the ability has the necessary permission. */ public function check_permissions( $input = null ) { if ( ! is_callable( $this->permission_callback ) ) { return new WP_Error( 'ability_invalid_permission_callback', /* translators: %s ability name. */ sprintf( __( 'Ability "%s" does not have a valid permission callback.' ), esc_html( $this->name ) ) ); } return $this->invoke_callback( $this->permission_callback, $input ); } /** * Executes the ability callback. * * @since 6.9.0 * * @param mixed $input Optional. The input data for the ability. Default `null`. * @return mixed|WP_Error The result of the ability execution, or WP_Error on failure. */ protected function do_execute( $input = null ) { if ( ! is_callable( $this->execute_callback ) ) { return new WP_Error( 'ability_invalid_execute_callback', /* translators: %s ability name. */ sprintf( __( 'Ability "%s" does not have a valid execute callback.' ), esc_html( $this->name ) ) ); } return $this->invoke_callback( $this->execute_callback, $input ); } /** * Validates output data against the output schema. * * @since 6.9.0 * * @param mixed $output The output data to validate. * @return true|WP_Error Returns true if valid, or a WP_Error object if validation fails. */ protected function validate_output( $output ) { $output_schema = $this->get_output_schema(); if ( empty( $output_schema ) ) { return true; } $valid_output = rest_validate_value_from_schema( $output, $output_schema, 'output' ); if ( is_wp_error( $valid_output ) ) { return new WP_Error( 'ability_invalid_output', sprintf( /* translators: %1$s ability name, %2$s error message. */ __( 'Ability "%1$s" has invalid output. Reason: %2$s' ), esc_html( $this->name ), $valid_output->get_error_message() ) ); } return true; } /** * Executes the ability after input validation and running a permission check. * Before returning the return value, it also validates the output. * * @since 6.9.0 * * @param mixed $input Optional. The input data for the ability. Default `null`. * @return mixed|WP_Error The result of the ability execution, or WP_Error on failure. */ public function execute( $input = null ) { $input = $this->normalize_input( $input ); $is_valid = $this->validate_input( $input ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } $has_permissions = $this->check_permissions( $input ); if ( true !== $has_permissions ) { if ( is_wp_error( $has_permissions ) ) { // Don't leak the permission check error to someone without the correct perms. _doing_it_wrong( __METHOD__, esc_html( $has_permissions->get_error_message() ), '6.9.0' ); } return new WP_Error( 'ability_invalid_permissions', /* translators: %s ability name. */ sprintf( __( 'Ability "%s" does not have necessary permission.' ), esc_html( $this->name ) ) ); } /** * Fires before an ability gets executed, after input validation and permissions check. * * @since 6.9.0 * * @param string $ability_name The name of the ability. * @param mixed $input The input data for the ability. */ do_action( 'wp_before_execute_ability', $this->name, $input ); $result = $this->do_execute( $input ); if ( is_wp_error( $result ) ) { return $result; } $is_valid = $this->validate_output( $result ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } /** * Fires immediately after an ability finished executing. * * @since 6.9.0 * * @param string $ability_name The name of the ability. * @param mixed $input The input data for the ability. * @param mixed $result The result of the ability execution. */ do_action( 'wp_after_execute_ability', $this->name, $input, $result ); return $result; } /** * Wakeup magic method. * * @since 6.9.0 * @throws LogicException If the ability object is unserialized. * This is a security hardening measure to prevent unserialization of the ability. */ public function __wakeup(): void { throw new LogicException( __CLASS__ . ' should never be unserialized.' ); } /** * Sleep magic method. * * @since 6.9.0 * @throws LogicException If the ability object is serialized. * This is a security hardening measure to prevent serialization of the ability. */ public function __sleep(): array { throw new LogicException( __CLASS__ . ' should never be serialized.' ); } } مقایسه محصولات
سبد خرید 0

موجود

توضیحات

برگشت به بالا


سوالی دارید؟ با ما صحبت کنید!
مکالمه را شروع کنید
سلام! برای چت در WhatsApp پرسنل پشتیبانی که میخواهید با او صحبت کنید را انتخاب کنید
ما معمولاً در چند دقیقه پاسخ می دهیم