$is_valid = true;
}
/**
* Filters the input validation result for an ability.
*
* Allows developers to add custom validation logic on top of the default
* JSON Schema validation. If default validation already failed, the filter
* receives the WP_Error object and can add additional error information or
* override it. If default validation passed, the filter can add additional
* validation checks and return a WP_Error if those checks fail.
*
* @since 7.1.0
*
* @param true|WP_Error $is_valid The validation result from default validation.
* @param mixed $input The input data being validated.
* @param string $ability_name The name of the ability.
*/
$validity = apply_filters( 'wp_ability_validate_input', $is_valid, $input, $this->name );
if ( false === $validity ) {
return new WP_Error( 'ability_invalid_input', __( 'Invalid input.' ) );
}
if ( is_wp_error( $validity ) && $validity->has_errors() ) {
return $validity;
}
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, or a `WP_Error` if the callback threw.
*/
protected function invoke_callback( callable $callback, $input = null ) {
$args = array();
if ( ! empty( $this->get_input_schema() ) ) {
$args[] = $input;
}
try {
return $callback( ...$args );
} catch ( Throwable $e ) {
return new WP_Error(
'ability_callback_exception',
sprintf(
/* translators: 1: Ability name, 2: Exception message. */
__( 'Ability "%1$s" callback threw an exception: %2$s' ),
$this->name,
esc_html( $e->getMessage() )
)
);
}
}
/**
* 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.
*
* The {@see 'wp_ability_permission_result'} filter fires after the registered
* `permission_callback` returns, allowing plugins to override the result.
*
* @since 6.9.0
* @since 7.1.0 Added the `wp_ability_permission_result` filter.
*
* @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.' ), $this->name )
);
}
$permission = $this->invoke_callback( $this->permission_callback, $input );
/**
* Filters the result of an ability's permission check.
*
* Fires after the registered `permission_callback` returns. Plugins can use this to layer
* additional authorization rules on top of the ability's own permission logic — for example,
* multi-factor authorization gates or temporary permission elevation for trusted contexts.
*
* Filters can return `true` to grant, `false` to deny, or a `WP_Error` to deny with a specific
* error code and message. The filter receives whatever the `permission_callback` produced.
* Any other return value is coerced to `false`.
*
* @since 7.1.0
*
* @param bool|WP_Error $permission The permission result returned by `permission_callback`.
* @param string $ability_name The name of the ability.
* @param mixed $input The input data for the permission check.
* @param WP_Ability $ability The ability instance.
*/
$result = apply_filters( 'wp_ability_permission_result', $permission, $this->name, $input, $this );
if ( ! is_bool( $result ) && ! is_wp_error( $result ) ) {
$result = false;
}
return $result;
}
/**
* Executes the ability callback.
*
* The {@see 'wp_ability_execute_result'} filter fires before this method returns, allowing
* plugins to transform the result produced by the registered `execute_callback`.
*
* @since 6.9.0
* @since 7.1.0 Added the `wp_ability_execute_result` filter.
*
* @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 ) ) {
$result = new WP_Error(
'ability_invalid_execute_callback',
/* translators: %s ability name. */
sprintf( __( 'Ability "%s" does not have a valid execute callback.' ), $this->name )
);
} else {
$result = $this->invoke_callback( $this->execute_callback, $input );
}
/**
* Filters the result returned by an ability's execute callback.
*
* Fires after the registered execute callback runs. Plugins can use this to transform the
* result — response formatting, stripping internal metadata, content safety filtering,
* response enrichment, or recovering from a failure by returning a successful value.
*
* The filter receives whatever the registered callback produced, including a `WP_Error`
* if execution failed. Filters may pass the `WP_Error` through unchanged, override it with
* a recovered result, or convert a successful result into a `WP_Error`.
*
* @since 7.1.0
*
* @param mixed $result The result returned by the registered `execute_callback`,
* or a `WP_Error` if execution failed.
* @param string $ability_name The name of the ability.
* @param mixed $input The normalized input data.
* @param WP_Ability $ability The ability instance.
*/
return apply_filters( 'wp_ability_execute_result', $result, $this->name, $input, $this );
}
/**
* 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 ) ) {
$is_valid = true;
} else {
$valid_output = rest_validate_value_from_schema( $output, $output_schema, 'output' );
if ( is_wp_error( $valid_output ) ) {
$is_valid = new WP_Error(
'ability_invalid_output',
sprintf(
/* translators: %1$s ability name, %2$s error message. */
__( 'Ability "%1$s" has invalid output. Reason: %2$s' ),
$this->name,
$valid_output->get_error_message()
)
);
} else {
$is_valid = true;
}
}
/**
* Filters the output validation result for an ability.
*
* Allows developers to add custom validation logic on top of the default
* JSON Schema validation. If default validation already failed, the filter
* receives the WP_Error object and can add additional error information or
* override it. If default validation passed, the filter can add additional
* validation checks and return a WP_Error if those checks fail.
*
* @since 7.1.0
*
* @param true|WP_Error $is_valid The validation result from default validation.
* @param mixed $output The output data being validated.
* @param string $ability_name The name of the ability.
*/
$validity = apply_filters( 'wp_ability_validate_output', $is_valid, $output, $this->name );
if ( false === $validity ) {
return new WP_Error( 'ability_invalid_output', __( 'Invalid output.' ) );
}
if ( is_wp_error( $validity ) && $validity->has_errors() ) {
return $validity;
}
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
* @since 7.1.0 Added the `wp_ability_invoked` action.
* @since 7.1.0 Added the `wp_pre_execute_ability` filter.
*
* @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 ) {
/**
* Fires when an ability is invoked, before any processing takes place.
*
* This action fires for every call regardless of outcome (validation failure,
* permission denial, short-circuit, or successful execution), and before input
* normalization so the raw input is captured as-is.
*
* @since 7.1.0
*
* @param string $ability_name The name of the ability.
* @param mixed $input The raw input data for the ability, before normalization.
* @param WP_Ability $ability The ability instance.
*/
do_action( 'wp_ability_invoked', $this->name, $input, $this );
$pre_execute_sentinel = new WP_Filter_Sentinel();
/**
* Filters whether to short-circuit ability execution.
*
* Returning a value other than the received default bypasses the rest of `execute()` —
* input normalization, input validation, permission checks, the registered execute callback,
* output validation, and the surrounding actions — and the value is returned to the caller
* as-is. Useful for cached responses, rate limiting, maintenance mode, and test mocking.
*
* To continue with normal execution, return `$pre` unchanged. This preserves any value
* (including `null`, `false`, or arbitrary objects) as a valid short-circuit result.
*
* Because validation is bypassed, callers that short-circuit are responsible for the
* integrity of any value they consume from `$input`.
*
* @since 7.1.0
*
* @param mixed $pre The pre-computed result. Return this value unchanged to continue execution.
* Default `WP_Filter_Sentinel` instance unique to this invocation.
* @param string $ability_name The name of the ability.
* @param mixed $input The raw input passed to `execute()`.
* @param WP_Ability $ability The ability instance.
*/
$pre = apply_filters( 'wp_pre_execute_ability', $pre_execute_sentinel, $this->name, $input, $this );
if ( $pre !== $pre_execute_sentinel ) {
return $pre;
}
$input = $this->normalize_input( $input );
if ( is_wp_error( $input ) ) {
return $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.' ), $this->name )
);
}
/**
* Fires before an ability gets executed, after input validation and permissions check.
*
* @since 6.9.0
* @since 7.1.0 Added the `$ability` parameter.
*
* @param string $ability_name The name of the ability.
* @param mixed $input The input data for the ability.
* @param WP_Ability $ability The ability instance.
*/
do_action( 'wp_before_execute_ability', $this->name, $input, $this );
$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 $is_valid;
}
/**
* Fires immediately after an ability finished executing.
*
* @since 6.9.0
* @since 7.1.0 Added the `$ability` parameter.
*
* @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.
* @param WP_Ability $ability The ability instance.
*/
do_action( 'wp_after_execute_ability', $this->name, $input, $result, $this );
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.' );
}
}
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بازرگانی لاستیک شریفی، ارائه کننده انواع لاستیک و رینگ
