| 1 |
<?php |
| 2 |
/** |
| 3 |
* Route Schema Builder |
| 4 |
* |
| 5 |
* Shared normalizer: converts WP REST route handler args into clean JSON Schema |
| 6 |
* objects. Used by ExecuteRestRequest (execution) as the single source of truth. |
| 7 |
* |
| 8 |
* @package zip-ai |
| 9 |
*/ |
| 10 |
|
| 11 |
namespace ZipAI\MCP\Classes\Core; |
| 12 |
|
| 13 |
if ( ! defined( 'ABSPATH' ) ) { |
| 14 |
exit; |
| 15 |
} |
| 16 |
|
| 17 |
/** |
| 18 |
* Class RouteSchemaBuilder |
| 19 |
*/ |
| 20 |
class RouteSchemaBuilder { |
| 21 |
|
| 22 |
/** |
| 23 |
* JSON Schema keys to preserve. All WP-specific keys |
| 24 |
* (sanitize_callback, validate_callback, context, arg_options, etc.) are stripped. |
| 25 |
*/ |
| 26 |
private const SCHEMA_KEYS = array( |
| 27 |
'type', |
| 28 |
'description', |
| 29 |
'default', |
| 30 |
'enum', |
| 31 |
'items', |
| 32 |
'properties', |
| 33 |
'required', |
| 34 |
'anyOf', |
| 35 |
'oneOf', |
| 36 |
'allOf', |
| 37 |
'format', |
| 38 |
'pattern', |
| 39 |
'minimum', |
| 40 |
'maximum', |
| 41 |
'minItems', |
| 42 |
'maxItems', |
| 43 |
'uniqueItems', |
| 44 |
'additionalProperties', |
| 45 |
); |
| 46 |
|
| 47 |
/** |
| 48 |
* Compute applied defaults for a GET request. |
| 49 |
* |
| 50 |
* Returns defaults WordPress silently applies when a param is omitted. |
| 51 |
* Annotates status=publish with a warning when "any" is a valid value, |
| 52 |
* so the caller knows drafts are invisible. |
| 53 |
* |
| 54 |
* @param string $route REST route (e.g. "/wp/v2/pages"). |
| 55 |
* @param array<array-key, mixed> $explicit_params Params the caller explicitly provided. |
| 56 |
* @return array<array-key, mixed> |
| 57 |
*/ |
| 58 |
public static function get_applied_defaults( string $route, array $explicit_params ): array { |
| 59 |
$handler = self::find_route_handler( $route, 'GET' ); |
| 60 |
if ( ! $handler ) { |
| 61 |
return array(); |
| 62 |
} |
| 63 |
|
| 64 |
$applied = array(); |
| 65 |
|
| 66 |
$args = isset( $handler['args'] ) && is_array( $handler['args'] ) ? $handler['args'] : array(); |
| 67 |
|
| 68 |
foreach ( $args as $name => $config ) { |
| 69 |
if ( array_key_exists( $name, $explicit_params ) ) { |
| 70 |
continue; |
| 71 |
} |
| 72 |
if ( ! is_array( $config ) || ! isset( $config['default'] ) ) { |
| 73 |
continue; |
| 74 |
} |
| 75 |
|
| 76 |
$value = $config['default']; |
| 77 |
|
| 78 |
// Schema-driven warning: only emit when the schema actually includes |
| 79 |
// "any" as a valid value — prevents false warnings on custom routes. |
| 80 |
if ( 'status' === $name && 'publish' === $value ) { |
| 81 |
$schema = self::normalize_arg( $config ); |
| 82 |
if ( self::schema_includes_any( $schema ) ) { |
| 83 |
$value = 'publish (WARNING: drafts/pending/private hidden — pass status=any to see all)'; |
| 84 |
} |
| 85 |
} |
| 86 |
|
| 87 |
$applied[ $name ] = $value; |
| 88 |
} |
| 89 |
|
| 90 |
return $applied; |
| 91 |
} |
| 92 |
|
| 93 |
/** |
| 94 |
* Recursively normalize a WP REST arg config into a clean JSON Schema object. |
| 95 |
* |
| 96 |
* Preserves all JSON Schema-relevant keys. Strips WP-specific callbacks |
| 97 |
* (sanitize_callback, validate_callback, context, arg_options, etc.). |
| 98 |
* |
| 99 |
* @param array<array-key, mixed> $config WP REST arg config. |
| 100 |
* @param int $depth Recursion depth guard (max 6). |
| 101 |
* @return array<array-key, mixed> |
| 102 |
*/ |
| 103 |
public static function normalize_arg( array $config, int $depth = 0 ): array { |
| 104 |
if ( $depth > 6 ) { |
| 105 |
return $config; |
| 106 |
} |
| 107 |
|
| 108 |
$out = array(); |
| 109 |
|
| 110 |
foreach ( self::SCHEMA_KEYS as $key ) { |
| 111 |
if ( ! array_key_exists( $key, $config ) ) { |
| 112 |
continue; |
| 113 |
} |
| 114 |
|
| 115 |
$val = $config[ $key ]; |
| 116 |
|
| 117 |
if ( 'items' === $key && is_array( $val ) ) { |
| 118 |
$out[ $key ] = self::normalize_arg( $val, $depth + 1 ); |
| 119 |
|
| 120 |
} elseif ( 'properties' === $key && is_array( $val ) ) { |
| 121 |
$props = array(); |
| 122 |
foreach ( $val as $prop_name => $prop_schema ) { |
| 123 |
$props[ $prop_name ] = is_array( $prop_schema ) |
| 124 |
? self::normalize_arg( $prop_schema, $depth + 1 ) |
| 125 |
: $prop_schema; |
| 126 |
} |
| 127 |
$out[ $key ] = $props; |
| 128 |
|
| 129 |
} elseif ( in_array( $key, array( 'anyOf', 'oneOf', 'allOf' ), true ) && is_array( $val ) ) { |
| 130 |
$d = $depth; |
| 131 |
$out[ $key ] = array_map( |
| 132 |
function ( $s ) use ( $d ) { |
| 133 |
return is_array( $s ) ? self::normalize_arg( $s, $d + 1 ) : $s; |
| 134 |
}, |
| 135 |
$val |
| 136 |
); |
| 137 |
|
| 138 |
} elseif ( 'additionalProperties' === $key && is_array( $val ) ) { |
| 139 |
$out[ $key ] = self::normalize_arg( $val, $depth + 1 ); |
| 140 |
|
| 141 |
} else { |
| 142 |
$out[ $key ] = $val; |
| 143 |
} |
| 144 |
} |
| 145 |
|
| 146 |
return $out; |
| 147 |
} |
| 148 |
|
| 149 |
/** |
| 150 |
* Check whether a normalized schema includes "any" as a valid value. |
| 151 |
* |
| 152 |
* Handles top-level enum, items.enum (array types), and anyOf/oneOf branches. |
| 153 |
* Used to gate the status=publish warning to only routes that actually support |
| 154 |
* status=any (i.e., standard WP content endpoints). |
| 155 |
* |
| 156 |
* @param array<array-key, mixed> $schema Normalized schema from normalize_arg(). |
| 157 |
* @return bool |
| 158 |
*/ |
| 159 |
public static function schema_includes_any( array $schema ): bool { |
| 160 |
// Top-level enum (e.g. string type with enum). |
| 161 |
if ( |
| 162 |
isset( $schema['enum'] ) && |
| 163 |
is_array( $schema['enum'] ) && |
| 164 |
in_array( 'any', $schema['enum'], true ) |
| 165 |
) { |
| 166 |
return true; |
| 167 |
} |
| 168 |
|
| 169 |
// Recurse into items sub-schema (covers items.enum, items.anyOf, etc.). |
| 170 |
if ( isset( $schema['items'] ) && is_array( $schema['items'] ) ) { |
| 171 |
if ( self::schema_includes_any( $schema['items'] ) ) { |
| 172 |
return true; |
| 173 |
} |
| 174 |
} |
| 175 |
|
| 176 |
// Recurse through anyOf / oneOf / allOf combiners. |
| 177 |
foreach ( array( 'anyOf', 'oneOf', 'allOf' ) as $combiner ) { |
| 178 |
if ( ! empty( $schema[ $combiner ] ) && is_array( $schema[ $combiner ] ) ) { |
| 179 |
foreach ( $schema[ $combiner ] as $sub ) { |
| 180 |
if ( is_array( $sub ) && self::schema_includes_any( $sub ) ) { |
| 181 |
return true; |
| 182 |
} |
| 183 |
} |
| 184 |
} |
| 185 |
} |
| 186 |
|
| 187 |
return false; |
| 188 |
} |
| 189 |
|
| 190 |
/** |
| 191 |
* Find the matching handler for a route + method. |
| 192 |
* |
| 193 |
* @param string $route REST route (leading slash required). |
| 194 |
* @param string $method HTTP method. |
| 195 |
* @return array<array-key, mixed>|null |
| 196 |
*/ |
| 197 |
public static function find_route_handler( string $route, string $method ): ?array { |
| 198 |
if ( strpos( $route, '/' ) !== 0 ) { |
| 199 |
$route = '/' . $route; |
| 200 |
} |
| 201 |
|
| 202 |
$server = rest_get_server(); |
| 203 |
$routes = $server->get_routes(); |
| 204 |
|
| 205 |
foreach ( $routes as $pattern => $handlers ) { |
| 206 |
if ( ! preg_match( '#^' . $pattern . '$#', $route ) ) { |
| 207 |
continue; |
| 208 |
} |
| 209 |
if ( ! is_array( $handlers ) ) { |
| 210 |
continue; |
| 211 |
} |
| 212 |
foreach ( $handlers as $handler ) { |
| 213 |
if ( ! is_array( $handler ) || empty( $handler['methods'] ) ) { |
| 214 |
continue; |
| 215 |
} |
| 216 |
$raw_methods = $handler['methods']; |
| 217 |
$methods = is_array( $raw_methods ) |
| 218 |
? $raw_methods |
| 219 |
: array( (string) ( is_scalar( $raw_methods ) ? $raw_methods : '' ) => true ); |
| 220 |
if ( isset( $methods[ $method ] ) ) { |
| 221 |
return $handler; |
| 222 |
} |
| 223 |
} |
| 224 |
} |
| 225 |
|
| 226 |
return null; |
| 227 |
} |
| 228 |
} |
| 229 |
|
