rest_validate_value_from_schema( mixed $value, array $args, string $param = '' )
Validate a value based on a schema.
Parameters Parameters
- $value
-
(mixed) (Required) The value to validate.
- $args
-
(array) (Required) Schema array to use for validation.
- $param
-
(string) (Optional) The parameter name, used in error messages.
Default value: ''
Return Return
(true|WP_Error)
Source Source
File: wp-includes/rest-api.php
function rest_validate_value_from_schema( $value, $args, $param = '' ) { if ( isset( $args['anyOf'] ) ) { $matching_schema = rest_find_any_matching_schema( $value, $args, $param ); if ( is_wp_error( $matching_schema ) ) { return $matching_schema; } if ( ! isset( $args['type'] ) && isset( $matching_schema['type'] ) ) { $args['type'] = $matching_schema['type']; } } if ( isset( $args['oneOf'] ) ) { $matching_schema = rest_find_one_matching_schema( $value, $args, $param ); if ( is_wp_error( $matching_schema ) ) { return $matching_schema; } if ( ! isset( $args['type'] ) && isset( $matching_schema['type'] ) ) { $args['type'] = $matching_schema['type']; } } $allowed_types = array( 'array', 'object', 'string', 'number', 'integer', 'boolean', 'null' ); if ( ! isset( $args['type'] ) ) { /* translators: %s: Parameter. */ _doing_it_wrong( __FUNCTION__, sprintf( __( 'The "type" schema keyword for %s is required.' ), $param ), '5.5.0' ); } if ( is_array( $args['type'] ) ) { $best_type = rest_handle_multi_type_schema( $value, $args, $param ); if ( ! $best_type ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: List of types. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, implode( ',', $args['type'] ) ), array( 'param' => $param ) ); } $args['type'] = $best_type; } if ( ! in_array( $args['type'], $allowed_types, true ) ) { _doing_it_wrong( __FUNCTION__, /* translators: 1: Parameter, 2: The list of allowed types. */ wp_sprintf( __( 'The "type" schema keyword for %1$s can only be one of the built-in types: %2$l.' ), $param, $allowed_types ), '5.5.0' ); } if ( 'array' === $args['type'] ) { if ( ! rest_is_array( $value ) ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, 'array' ), array( 'param' => $param ) ); } $value = rest_sanitize_array( $value ); if ( isset( $args['items'] ) ) { foreach ( $value as $index => $v ) { $is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } } } if ( isset( $args['minItems'] ) && count( $value ) < $args['minItems'] ) { return new WP_Error( 'rest_invalid_param', sprintf( /* translators: 1: Parameter, 2: Number. */ _n( '%1$s must contain at least %2$s item.', '%1$s must contain at least %2$s items.', $args['minItems'] ), $param, number_format_i18n( $args['minItems'] ) ) ); } if ( isset( $args['maxItems'] ) && count( $value ) > $args['maxItems'] ) { return new WP_Error( 'rest_invalid_param', sprintf( /* translators: 1: Parameter, 2: Number. */ _n( '%1$s must contain at most %2$s item.', '%1$s must contain at most %2$s items.', $args['maxItems'] ), $param, number_format_i18n( $args['maxItems'] ) ) ); } if ( ! empty( $args['uniqueItems'] ) && ! rest_validate_array_contains_unique_items( $value ) ) { /* translators: 1: Parameter. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s has duplicate items.' ), $param ) ); } } if ( 'object' === $args['type'] ) { if ( ! rest_is_object( $value ) ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, 'object' ), array( 'param' => $param ) ); } $value = rest_sanitize_object( $value ); if ( isset( $args['required'] ) && is_array( $args['required'] ) ) { // schema version 4 foreach ( $args['required'] as $name ) { if ( ! array_key_exists( $name, $value ) ) { /* translators: 1: Property of an object, 2: Parameter. */ return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) ); } } } elseif ( isset( $args['properties'] ) ) { // schema version 3 foreach ( $args['properties'] as $name => $property ) { if ( isset( $property['required'] ) && true === $property['required'] && ! array_key_exists( $name, $value ) ) { /* translators: 1: Property of an object, 2: Parameter. */ return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) ); } } } foreach ( $value as $property => $v ) { if ( isset( $args['properties'][ $property ] ) ) { $is_valid = rest_validate_value_from_schema( $v, $args['properties'][ $property ], $param . '[' . $property . ']' ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } continue; } $pattern_property_schema = rest_find_matching_pattern_property_schema( $property, $args ); if ( null !== $pattern_property_schema ) { $is_valid = rest_validate_value_from_schema( $v, $pattern_property_schema, $param . '[' . $property . ']' ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } continue; } if ( isset( $args['additionalProperties'] ) ) { if ( false === $args['additionalProperties'] ) { /* translators: %s: Property of an object. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) ); } if ( is_array( $args['additionalProperties'] ) ) { $is_valid = rest_validate_value_from_schema( $v, $args['additionalProperties'], $param . '[' . $property . ']' ); if ( is_wp_error( $is_valid ) ) { return $is_valid; } } } } if ( isset( $args['minProperties'] ) && count( $value ) < $args['minProperties'] ) { return new WP_Error( 'rest_invalid_param', sprintf( /* translators: 1: Parameter, 2: Number. */ _n( '%1$s must contain at least %2$s property.', '%1$s must contain at least %2$s properties.', $args['minProperties'] ), $param, number_format_i18n( $args['minProperties'] ) ) ); } if ( isset( $args['maxProperties'] ) && count( $value ) > $args['maxProperties'] ) { return new WP_Error( 'rest_invalid_param', sprintf( /* translators: 1: Parameter, 2: Number. */ _n( '%1$s must contain at most %2$s property.', '%1$s must contain at most %2$s properties.', $args['maxProperties'] ), $param, number_format_i18n( $args['maxProperties'] ) ) ); } } if ( 'null' === $args['type'] ) { if ( null !== $value ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, 'null' ), array( 'param' => $param ) ); } return true; } if ( ! empty( $args['enum'] ) ) { if ( ! in_array( $value, $args['enum'], true ) ) { /* translators: 1: Parameter, 2: List of valid values. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not one of %2$s.' ), $param, implode( ', ', $args['enum'] ) ) ); } } if ( in_array( $args['type'], array( 'integer', 'number' ), true ) ) { if ( ! is_numeric( $value ) ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, $args['type'] ), array( 'param' => $param ) ); } if ( isset( $args['multipleOf'] ) && fmod( $value, $args['multipleOf'] ) !== 0.0 ) { /* translators: 1: Parameter, 2: Multiplier. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be a multiple of %2$s.' ), $param, $args['multipleOf'] ) ); } } if ( 'integer' === $args['type'] && ! rest_is_integer( $value ) ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, 'integer' ), array( 'param' => $param ) ); } if ( 'boolean' === $args['type'] && ! rest_is_boolean( $value ) ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, 'boolean' ), array( 'param' => $param ) ); } if ( 'string' === $args['type'] ) { if ( ! is_string( $value ) ) { return new WP_Error( 'rest_invalid_type', /* translators: 1: Parameter, 2: Type name. */ sprintf( __( '%1$s is not of type %2$s.' ), $param, 'string' ), array( 'param' => $param ) ); } if ( isset( $args['minLength'] ) && mb_strlen( $value ) < $args['minLength'] ) { return new WP_Error( 'rest_invalid_param', sprintf( /* translators: 1: Parameter, 2: Number of characters. */ _n( '%1$s must be at least %2$s character long.', '%1$s must be at least %2$s characters long.', $args['minLength'] ), $param, number_format_i18n( $args['minLength'] ) ) ); } if ( isset( $args['maxLength'] ) && mb_strlen( $value ) > $args['maxLength'] ) { return new WP_Error( 'rest_invalid_param', sprintf( /* translators: 1: Parameter, 2: Number of characters. */ _n( '%1$s must be at most %2$s character long.', '%1$s must be at most %2$s characters long.', $args['maxLength'] ), $param, number_format_i18n( $args['maxLength'] ) ) ); } if ( isset( $args['pattern'] ) && ! rest_validate_json_schema_pattern( $args['pattern'], $value ) ) { /* translators: 1: Parameter, 2: Pattern. */ return new WP_Error( 'rest_invalid_pattern', sprintf( __( '%1$s does not match pattern %2$s.' ), $param, $args['pattern'] ) ); } } // The "format" keyword should only be applied to strings. However, for backward compatibility, // we allow the "format" keyword if the type keyword was not specified, or was set to an invalid value. if ( isset( $args['format'] ) && ( ! isset( $args['type'] ) || 'string' === $args['type'] || ! in_array( $args['type'], $allowed_types, true ) ) ) { switch ( $args['format'] ) { case 'hex-color': if ( ! rest_parse_hex_color( $value ) ) { return new WP_Error( 'rest_invalid_hex_color', __( 'Invalid hex color.' ) ); } break; case 'date-time': if ( ! rest_parse_date( $value ) ) { return new WP_Error( 'rest_invalid_date', __( 'Invalid date.' ) ); } break; case 'email': if ( ! is_email( $value ) ) { return new WP_Error( 'rest_invalid_email', __( 'Invalid email address.' ) ); } break; case 'ip': if ( ! rest_is_ip_address( $value ) ) { /* translators: %s: IP address. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%s is not a valid IP address.' ), $param ) ); } break; case 'uuid': if ( ! wp_is_uuid( $value ) ) { /* translators: %s: The name of a JSON field expecting a valid UUID. */ return new WP_Error( 'rest_invalid_uuid', sprintf( __( '%s is not a valid UUID.' ), $param ) ); } break; } } if ( in_array( $args['type'], array( 'number', 'integer' ), true ) && ( isset( $args['minimum'] ) || isset( $args['maximum'] ) ) ) { if ( isset( $args['minimum'] ) && ! isset( $args['maximum'] ) ) { if ( ! empty( $args['exclusiveMinimum'] ) && $value <= $args['minimum'] ) { /* translators: 1: Parameter, 2: Minimum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than %2$d' ), $param, $args['minimum'] ) ); } elseif ( empty( $args['exclusiveMinimum'] ) && $value < $args['minimum'] ) { /* translators: 1: Parameter, 2: Minimum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than or equal to %2$d' ), $param, $args['minimum'] ) ); } } elseif ( isset( $args['maximum'] ) && ! isset( $args['minimum'] ) ) { if ( ! empty( $args['exclusiveMaximum'] ) && $value >= $args['maximum'] ) { /* translators: 1: Parameter, 2: Maximum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than %2$d' ), $param, $args['maximum'] ) ); } elseif ( empty( $args['exclusiveMaximum'] ) && $value > $args['maximum'] ) { /* translators: 1: Parameter, 2: Maximum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than or equal to %2$d' ), $param, $args['maximum'] ) ); } } elseif ( isset( $args['maximum'] ) && isset( $args['minimum'] ) ) { if ( ! empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) { if ( $value >= $args['maximum'] || $value <= $args['minimum'] ) { /* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) ); } } elseif ( empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) { if ( $value >= $args['maximum'] || $value < $args['minimum'] ) { /* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) ); } } elseif ( ! empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) { if ( $value > $args['maximum'] || $value <= $args['minimum'] ) { /* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) ); } } elseif ( empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) { if ( $value > $args['maximum'] || $value < $args['minimum'] ) { /* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */ return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) ); } } } } return true; }
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Changelog Changelog
Version | Description |
---|---|
5.6.0 | Support the "minProperties" and "maxProperties" keywords for objects. Support the "multipleOf" keyword for numbers and integers. Support the "patternProperties" keyword for objects. Support the "anyOf" and "oneOf" keywords. |
5.5.0 | Add the "uuid" and "hex-color" formats. Support the "minLength", "maxLength" and "pattern" keywords for strings. Support the "minItems", "maxItems" and "uniqueItems" keywords for arrays. Validate required properties. |
5.4.0 | Convert an empty string to an empty object. |
5.3.0 | Support multiple types. |
5.2.0 | Support validating "additionalProperties" against a schema. |
4.9.0 | Support the "object" type. |
4.7.0 | Introduced. |