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trait-wp-codebox-abilities-browser-connectors.php
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182 lines (165 loc) · 10.4 KB
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<?php
/**
* WP_Codebox_Abilities_Browser_Connectors implementation.
*
* @package WPCodebox
*/
defined( 'ABSPATH' ) || exit;
trait WP_Codebox_Abilities_Browser_Connectors {
/** @return array<string,mixed> */
private static function browser_connector_request_schema(): array {
return array(
'type' => 'object',
'required' => array( 'connector', 'operation' ),
'properties' => array(
'schema' => array( 'type' => 'string', 'const' => 'wp-codebox/browser-connector-request/v1' ),
'connector' => array( 'type' => 'string' ),
'provider' => array( 'type' => 'string' ),
'model' => array( 'type' => 'string' ),
'operation' => array( 'type' => 'string' ),
'payload' => array( 'type' => 'object' ),
'session' => array( 'type' => 'object' ),
'context' => array( 'type' => 'object' ),
'authorization' => self::trusted_orchestrator_authorization_schema( self::BROWSER_CONNECTOR_REQUEST_SCOPE, 'Explicit trusted orchestrator authorization for browser connector requests. Callers must provide a caller id and the browser-connector:request scope; sites grant trust through wp_codebox_trusted_browser_session_callers.' ),
),
);
}
/** @return array<string,mixed> */
private static function browser_connector_response_schema(): array {
return array(
'type' => 'object',
'properties' => array(
'success' => array( 'type' => 'boolean' ),
'schema' => array( 'type' => 'string', 'const' => 'wp-codebox/browser-connector-response/v1' ),
'status' => array( 'type' => 'string' ),
'connector' => array( 'type' => 'string' ),
'provider' => array( 'type' => 'string' ),
'model' => array( 'type' => 'string' ),
'operation' => array( 'type' => 'string' ),
'response' => array( 'type' => 'object' ),
'error' => array( 'type' => 'object' ),
'credentials' => array( 'type' => 'object' ),
'audit' => array( 'type' => 'object' ),
),
);
}
/** @param array<string,mixed> $input Ability input. @return array<string,mixed>|WP_Error */
public static function browser_connector_request( array $input ): array|WP_Error {
$connector_name = trim( (string) ( $input['connector'] ?? '' ) );
$operation = trim( (string) ( $input['operation'] ?? '' ) );
if ( '' === $connector_name || '' === $operation ) {
return new WP_Error( 'wp_codebox_browser_connector_request_invalid', 'Browser connector requests require connector and operation.', array( 'status' => 400, 'schema' => 'wp-codebox/browser-connector-response/v1' ) );
}
$inheritance_payload = WP_Codebox_Inheritance::resolution_payload( array_merge( $input, array( 'inherit' => array( 'connectors' => array( $connector_name ) ) ) ), static fn( string $path ): string => self::browser_clean_path( $path ) );
$raw_resolution = array_values( array_filter( is_array( $inheritance_payload['resolution']['connectors'] ?? null ) ? $inheritance_payload['resolution']['connectors'] : array(), 'is_array' ) );
$credential_error = self::browser_connector_credentials_error( $inheritance_payload['inheritance'] );
if ( null !== $credential_error ) {
$error_data = $credential_error->get_error_data();
$error_connectors = is_array( $error_data['connectors'] ?? null ) ? $error_data['connectors'] : array();
$error_connector = is_array( $error_connectors[0] ?? null ) ? $error_connectors[0] : array();
return self::browser_connector_error_response( $input, $connector_name, $operation, $credential_error, $error_connector );
}
$connector = WP_Codebox_Inheritance::resolved_connector( $inheritance_payload['inheritance']['connectors'] ?? array(), $connector_name );
if ( empty( $connector ) || 'resolved' !== (string) ( $connector['status'] ?? '' ) ) {
return self::browser_connector_error_response( $input, $connector_name, $operation, new WP_Error( 'wp_codebox_browser_connector_unresolved', 'Requested browser connector is not available for this scope.', array( 'status' => 403 ) ) );
}
$provider = trim( (string) ( $input['provider'] ?? $connector['provider'] ?? '' ) );
$model = trim( (string) ( $input['model'] ?? $connector['model'] ?? '' ) );
if ( '' !== trim( (string) ( $connector['provider'] ?? '' ) ) && '' !== $provider && $provider !== (string) $connector['provider'] ) {
return self::browser_connector_error_response( $input, $connector_name, $operation, new WP_Error( 'wp_codebox_browser_connector_provider_mismatch', 'Browser connector request provider does not match the resolved connector provider.', array( 'status' => 403 ) ) );
}
if ( '' !== trim( (string) ( $connector['model'] ?? '' ) ) && '' !== $model && $model !== (string) $connector['model'] ) {
return self::browser_connector_error_response( $input, $connector_name, $operation, new WP_Error( 'wp_codebox_browser_connector_model_mismatch', 'Browser connector request model does not match the resolved connector model.', array( 'status' => 403 ) ) );
}
$credential_values = self::browser_connector_secret_values( $connector, $raw_resolution );
if ( empty( $credential_values ) ) {
return self::browser_connector_error_response( $input, $connector_name, $operation, new WP_Error( 'wp_codebox_browser_connector_credentials_unavailable', 'Requested browser connector credentials are unavailable for this scope.', array( 'status' => 403 ) ) );
}
$request = array(
'schema' => 'wp-codebox/browser-connector-request/v1',
'connector' => $connector_name,
'provider' => $provider,
'model' => $model,
'operation' => $operation,
'payload' => is_array( $input['payload'] ?? null ) ? $input['payload'] : array(),
'session' => is_array( $input['session'] ?? null ) ? $input['session'] : array(),
'context' => is_array( $input['context'] ?? null ) ? $input['context'] : array(),
'credentials' => $credential_values,
'audit' => self::browser_connector_audit( $input, $connector, $operation ),
);
$response = apply_filters( 'wp_codebox_browser_connector_request', null, $request, $input );
if ( null === $response ) {
return self::browser_connector_error_response( $input, $connector_name, $operation, new WP_Error( 'wp_codebox_browser_connector_handler_missing', 'No browser connector request handler is registered.', array( 'status' => 501 ) ), $connector );
}
return self::sanitize_browser_connector_response( $response, $connector, $operation, $input );
}
/** @param array<string,mixed> $connector Resolved connector. @return array<string,string> */
private static function browser_connector_secret_values( array $connector, array $raw_connectors ): array {
$values = array();
foreach ( $raw_connectors as $raw_connector ) {
if ( (string) ( $connector['name'] ?? '' ) === (string) ( $raw_connector['name'] ?? '' ) ) {
$values = is_array( $raw_connector['secret_env_values'] ?? null ) ? $raw_connector['secret_env_values'] : ( is_array( $raw_connector['secretEnvValues'] ?? null ) ? $raw_connector['secretEnvValues'] : array() );
break;
}
}
$allowed = self::browser_inheritance_secret_env_names( array( 'connectors' => array( $connector ), 'settings' => array() ) );
$secrets = array();
foreach ( $allowed as $name ) {
if ( isset( $values[ $name ] ) && '' !== (string) $values[ $name ] ) {
$secrets[ $name ] = (string) $values[ $name ];
}
}
return $secrets;
}
/** @param array<string,mixed> $input Ability input. @param array<string,mixed> $connector Resolved connector. @return array<string,mixed> */
private static function browser_connector_audit( array $input, array $connector, string $operation ): array {
$credentials = is_array( $connector['credentials'] ?? null ) ? $connector['credentials'] : array();
return array(
'schema' => 'wp-codebox/browser-connector-audit/v1',
'operation' => $operation,
'credential_status' => (string) ( $credentials['status'] ?? 'missing' ),
'credential_names' => self::browser_inheritance_secret_env_names( array( 'connectors' => array( $connector ), 'settings' => array() ) ),
'authorization' => self::trusted_orchestrator_authorization( $input, self::BROWSER_CONNECTOR_REQUEST_SCOPE ),
'secrets_redacted' => true,
'generated_by' => 'wp-codebox/browser-connector-request',
);
}
/** @param array<string,mixed> $input Ability input. @param array<string,mixed> $connector Resolved connector. @return array<string,mixed> */
private static function browser_connector_error_response( array $input, string $connector_name, string $operation, WP_Error $error, array $connector = array() ): array {
return array(
'success' => false,
'schema' => 'wp-codebox/browser-connector-response/v1',
'status' => 'failed-closed',
'connector' => $connector_name,
'provider' => (string) ( $input['provider'] ?? $connector['provider'] ?? '' ),
'model' => (string) ( $input['model'] ?? $connector['model'] ?? '' ),
'operation' => $operation,
'credentials' => is_array( $connector['credentials'] ?? null ) ? $connector['credentials'] : array(),
'error' => array(
'code' => $error->get_error_code(),
'message' => $error->get_error_message(),
),
'audit' => self::browser_connector_audit( $input, $connector, $operation ),
);
}
/** @param mixed $response Filter response. @param array<string,mixed> $connector Resolved connector. @param array<string,mixed> $input Ability input. @return array<string,mixed> */
private static function sanitize_browser_connector_response( mixed $response, array $connector, string $operation, array $input ): array {
$response = is_array( $response ) ? $response : array( 'value' => $response );
unset( $response['credentials'], $response['secret_env_values'], $response['_secretEnvValues'] );
return array_filter(
array(
'success' => true,
'schema' => 'wp-codebox/browser-connector-response/v1',
'status' => 'completed',
'connector' => (string) ( $connector['name'] ?? '' ),
'provider' => (string) ( $input['provider'] ?? $connector['provider'] ?? '' ),
'model' => (string) ( $input['model'] ?? $connector['model'] ?? '' ),
'operation' => $operation,
'response' => $response,
'credentials' => is_array( $connector['credentials'] ?? null ) ? $connector['credentials'] : array(),
'audit' => self::browser_connector_audit( $input, $connector, $operation ),
),
static fn( mixed $value ): bool => array() !== $value && '' !== $value
);
}
}