| 1 |
<?php |
| 2 |
/** |
| 3 |
* ZIP AI - Helper. |
| 4 |
* |
| 5 |
* This file contains the helper functions of ZIP AI. |
| 6 |
* Helpers are functions that are used throughout the library. |
| 7 |
* |
| 8 |
* @package zip-ai |
| 9 |
*/ |
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|
| 11 |
namespace ZipAI\MCP\Classes\Core; |
| 12 |
|
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// Exit if accessed directly. |
| 14 |
if ( ! defined( 'ABSPATH' ) ) { |
| 15 |
exit; |
| 16 |
} |
| 17 |
|
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// Classes to be used, in alphabetical order. |
| 19 |
use ZipAI\MCP\Classes\Core\Utils; |
| 20 |
|
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/** |
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* The Helper Class. |
| 23 |
*/ |
| 24 |
class Helper { |
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|
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/** |
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* Check if SSL verification should be enabled for remote requests. |
| 28 |
* |
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* SSL verification is enabled by default for security. It can be disabled |
| 30 |
* for local development environments using the ZIPAI_MCP_DISABLE_SSL_VERIFY |
| 31 |
* constant or the 'zip_ai_sslverify' filter. |
| 32 |
* |
| 33 |
* @since 1.0.0 |
| 34 |
* @return bool True if SSL should be verified, false otherwise. |
| 35 |
*/ |
| 36 |
public static function should_verify_ssl() { |
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// Default to true (SSL verification enabled) for security. |
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$verify_ssl = true; |
| 39 |
|
| 40 |
// Allow disabling via constant for local development. |
| 41 |
if ( defined( 'ZIPAI_MCP_DISABLE_SSL_VERIFY' ) && ZIPAI_MCP_DISABLE_SSL_VERIFY ) { |
| 42 |
$verify_ssl = false; |
| 43 |
} |
| 44 |
|
| 45 |
/** |
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* Filter whether SSL verification should be enabled for remote requests. |
| 47 |
* |
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* @since 1.0.0 |
| 49 |
* @param bool $verify_ssl Whether to verify SSL. Default true. |
| 50 |
*/ |
| 51 |
return apply_filters( 'zip_ai_sslverify', $verify_ssl ); |
| 52 |
} |
| 53 |
|
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/** |
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* Get an option from the database. |
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* |
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* @param string $key The option key. |
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* @param mixed $default The option default value if option is not available. |
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* @param boolean $network_override Whether to allow the network admin setting to be overridden on subsites. |
| 60 |
* @since 1.0.0 |
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* @return mixed The option value. |
| 62 |
*/ |
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public static function get_admin_settings_option( $key, $default = false, $network_override = false ) { |
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// Get the site-wide option if we're in the network admin. |
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return $network_override && is_multisite() ? get_site_option( $key, $default ) : get_option( $key, $default ); |
| 66 |
} |
| 67 |
|
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/** |
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* Update an option from the database. |
| 70 |
* |
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* @param string $key The option key. |
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* @param mixed $value The value to update. |
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* @param bool $network_override Whether to allow the network_override admin setting to be overridden on subsites. |
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* @since 1.0.0 |
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* @return bool True if the option was updated, false otherwise. |
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*/ |
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public static function update_admin_settings_option( $key, $value, $network_override = false ) { |
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// Update the site-wide option if we're in the network admin, and return the updated status. |
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return $network_override && is_multisite() ? update_site_option( $key, $value ) : update_option( $key, $value ); |
| 80 |
} |
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|
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/** |
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* Check if ZIP AI is authorized. |
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* |
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* @since 1.0.0 |
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* @return boolean True if ZIP AI is authorized, false otherwise. |
| 87 |
*/ |
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public static function is_authorized() { |
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// Check zip_mcp_settings for auth_token. |
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$auth_token = self::get_decrypted_auth_token(); |
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|
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return ! empty( $auth_token ) && is_string( $auth_token ) && ! empty( trim( $auth_token ) ); |
| 93 |
} |
| 94 |
|
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/** |
| 96 |
* Get the ZIP AI Settings. |
| 97 |
* |
| 98 |
* If used with a key, it will return that specific setting. |
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* If used without a key, it will return the entire settings array. |
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* |
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* @param string $key The setting key. |
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* @param mixed $default The default value to return if the setting is not found. |
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* @since 1.0.0 |
| 104 |
* @return mixed|array The setting value, or the default. |
| 105 |
*/ |
| 106 |
public static function get_setting( $key = '', $default = array() ) { |
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|
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// Get the ZIP AI settings. |
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$existing_settings = self::get_admin_settings_option( 'zip_mcp_settings' ); |
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|
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// If the ZIP AI settings are empty, return the fallback. |
| 112 |
if ( empty( $existing_settings ) || ! is_array( $existing_settings ) ) { |
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return $default; |
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} |
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|
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// If the key is empty, return the entire settings array - otherwise return the specific setting or the fallback. |
| 117 |
if ( empty( $key ) ) { |
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return $existing_settings; |
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} else { |
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return isset( $existing_settings[ $key ] ) ? $existing_settings[ $key ] : $default; |
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} |
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} |
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|
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/** |
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* Get the decrypted auth token from zip_mcp_settings. |
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* |
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* @since 1.0.0 |
| 128 |
* @return string The decrypted auth token. |
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*/ |
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public static function get_decrypted_auth_token() { |
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static $resolved_token = null; |
| 132 |
static $is_resolved = false; |
| 133 |
|
| 134 |
if ( $is_resolved ) { |
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return $resolved_token; |
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} |
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|
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$is_resolved = true; |
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$mcp_settings = get_option( 'zip_mcp_settings', array() ); |
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|
| 141 |
if ( ! is_array( $mcp_settings ) ) { |
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$resolved_token = ''; |
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return $resolved_token; |
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} |
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|
| 146 |
$auth_token = ! empty( $mcp_settings['auth_token'] ) && is_string( $mcp_settings['auth_token'] ) ? Utils::decrypt( $mcp_settings['auth_token'] ) : ''; |
| 147 |
$zip_token = ! empty( $mcp_settings['zip_token'] ) && is_string( $mcp_settings['zip_token'] ) ? Utils::decrypt( $mcp_settings['zip_token'] ) : ''; |
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$email = ! empty( $mcp_settings['user_email'] ) ? sanitize_email( $mcp_settings['user_email'] ) : ''; |
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$name = ! empty( $mcp_settings['user_name'] ) ? sanitize_text_field( $mcp_settings['user_name'] ) : ''; |
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$current_api = self::get_credit_server_identifier(); |
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$stored_api = ! empty( $mcp_settings['auth_token_server'] ) ? untrailingslashit( (string) $mcp_settings['auth_token_server'] ) : ''; |
| 152 |
$is_valid_auth = null; |
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|
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if ( '' !== $auth_token && $stored_api === $current_api ) { |
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$resolved_token = $auth_token; |
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return $resolved_token; |
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} |
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|
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if ( '' !== $auth_token && '' === $stored_api ) { |
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$is_valid_auth = self::validate_credit_server_auth_token( $auth_token ); |
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|
| 162 |
if ( true === $is_valid_auth ) { |
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$mcp_settings['auth_token_server'] = $current_api; |
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update_option( 'zip_mcp_settings', $mcp_settings ); |
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$resolved_token = $auth_token; |
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return $resolved_token; |
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} |
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} |
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|
| 170 |
if ( '' !== $zip_token && '' !== $email ) { |
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$exchange_result = self::exchange_zipwp_token_for_local_auth_token( $zip_token, $email, $name ); |
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|
| 173 |
if ( ! empty( $exchange_result['token'] ) ) { |
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$mcp_settings['auth_token'] = Utils::encrypt( $exchange_result['token'] ); |
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$mcp_settings['auth_token_server'] = $current_api; |
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|
| 177 |
if ( ! empty( $exchange_result['email'] ) ) { |
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$mcp_settings['user_email'] = sanitize_email( $exchange_result['email'] ); |
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} |
| 180 |
|
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if ( ! empty( $exchange_result['name'] ) ) { |
| 182 |
$mcp_settings['user_name'] = sanitize_text_field( $exchange_result['name'] ); |
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} |
| 184 |
|
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update_option( 'zip_mcp_settings', $mcp_settings ); |
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$resolved_token = $exchange_result['token']; |
| 187 |
return $resolved_token; |
| 188 |
} |
| 189 |
} |
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|
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if ( '' !== $auth_token && null === $is_valid_auth && '' === $stored_api ) { |
| 192 |
$resolved_token = $auth_token; |
| 193 |
return $resolved_token; |
| 194 |
} |
| 195 |
|
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$resolved_token = ''; |
| 197 |
return $resolved_token; |
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} |
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|
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/** |
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* Get the decrypted Application Password Authorization header value. |
| 202 |
* |
| 203 |
* Returns the pre-built `Basic <b64(user:password)>` string ready to be |
| 204 |
* sent as the `Authorization` header (or forwarded to MCP via the |
| 205 |
* `X-Wp-Authorization` custom header). Empty when no App Password is |
| 206 |
* provisioned for the current connection — caller should treat that as |
| 207 |
* "MCP tools unavailable" and surface to the admin. |
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* |
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* @since 1.0.0 |
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* @return string The full `Basic …` Authorization header value, or empty string. |
| 211 |
*/ |
| 212 |
public static function get_decrypted_app_password_authorization() { |
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$mcp_settings = get_option( 'zip_mcp_settings', array() ); |
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|
| 215 |
if ( ! empty( $mcp_settings['app_password_authorization'] ) && is_string( $mcp_settings['app_password_authorization'] ) ) { |
| 216 |
return (string) Utils::decrypt( $mcp_settings['app_password_authorization'] ); |
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} |
| 218 |
|
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return ''; |
| 220 |
} |
| 221 |
|
| 222 |
/** |
| 223 |
* Mint a WordPress Application Password for the current admin user and |
| 224 |
* stash the pre-built Authorization header value (`Basic <b64>`) plus |
| 225 |
* the App Password UUID into `zip_mcp_settings` (encrypted). |
| 226 |
* |
| 227 |
* Idempotent: when a stored UUID still resolves to a live App Password |
| 228 |
* on the user record, this is a no-op — we trust the existing token. |
| 229 |
* Stale UUIDs (deleted in Profile → Application Passwords) trigger a |
| 230 |
* fresh mint. |
| 231 |
* |
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* Called from the OAuth callback in `AJAX_Handlers::verify_authorization` |
| 233 |
* right after the Sanctum `auth_token` is persisted. Piggy-backing on |
| 234 |
* the existing connection click keeps the admin UX to one "Connect" |
| 235 |
* step — the App Password is provisioned silently in the same flow. |
| 236 |
* |
| 237 |
* App Password plaintext is one-time-visible: WordPress hashes it and |
| 238 |
* never exposes the plaintext again. We capture it in this single call, |
| 239 |
* pre-build the Authorization header value once (`'Basic '. base64(...)`), |
| 240 |
* encrypt the full value, and store. Plaintext is never persisted bare; |
| 241 |
* it lives only inside the `Basic …` string, which is the form we need |
| 242 |
* on the wire anyway. |
| 243 |
* |
| 244 |
* @since 1.0.0 |
| 245 |
* @return array{success: bool, code?: string, message?: string} status envelope. |
| 246 |
*/ |
| 247 |
public static function ensure_app_password_provisioned() { |
| 248 |
$user_id = get_current_user_id(); |
| 249 |
if ( $user_id <= 0 ) { |
| 250 |
return array( |
| 251 |
'success' => false, |
| 252 |
'code' => 'no_current_user', |
| 253 |
'message' => __( 'No current user context — cannot provision Application Password.', 'zip-ai' ), |
| 254 |
); |
| 255 |
} |
| 256 |
|
| 257 |
// Capability gate. Match the OAuth callback's own check so the App |
| 258 |
// Password is only ever minted under an admin identity. The resulting |
| 259 |
// token inherits the user's caps; we don't want a non-admin |
| 260 |
// connection to silently mint a low-privilege token that then 401s |
| 261 |
// every tool call. |
| 262 |
if ( ! user_can( $user_id, 'manage_options' ) ) { |
| 263 |
return array( |
| 264 |
'success' => false, |
| 265 |
'code' => 'insufficient_capability', |
| 266 |
'message' => __( 'Connecting user lacks manage_options — Application Password not provisioned.', 'zip-ai' ), |
| 267 |
); |
| 268 |
} |
| 269 |
|
| 270 |
if ( ! function_exists( 'wp_is_application_passwords_available' ) || ! wp_is_application_passwords_available() ) { |
| 271 |
return array( |
| 272 |
'success' => false, |
| 273 |
'code' => 'app_passwords_disabled', |
| 274 |
'message' => __( 'Application Passwords are disabled on this site. Enable them or contact your administrator.', 'zip-ai' ), |
| 275 |
); |
| 276 |
} |
| 277 |
|
| 278 |
$user = get_user_by( 'id', $user_id ); |
| 279 |
if ( ! $user || ! wp_is_application_passwords_available_for_user( $user ) ) { |
| 280 |
return array( |
| 281 |
'success' => false, |
| 282 |
'code' => 'app_passwords_disabled_for_user', |
| 283 |
'message' => __( 'Application Passwords are disabled for the connecting user.', 'zip-ai' ), |
| 284 |
); |
| 285 |
} |
| 286 |
|
| 287 |
// Idempotency: if we already minted one and it still exists on the |
| 288 |
// user record, leave it alone. Re-minting on every reconnect would |
| 289 |
// litter the user's Profile → Application Passwords screen. |
| 290 |
$existing_uuid_encrypted = self::get_setting( 'app_password_uuid', '' ); |
| 291 |
$existing_uuid = is_string( $existing_uuid_encrypted ) && '' !== $existing_uuid_encrypted |
| 292 |
? (string) Utils::decrypt( $existing_uuid_encrypted ) |
| 293 |
: ''; |
| 294 |
if ( '' !== $existing_uuid ) { |
| 295 |
$existing_record = \WP_Application_Passwords::get_user_application_password( $user_id, $existing_uuid ); |
| 296 |
if ( null !== $existing_record ) { |
| 297 |
// Even though we already have the App Password locally, a |
| 298 |
// reconnect typically issues a NEW Sanctum token on the |
| 299 |
// SaaS side — and our credential is bound to that token's |
| 300 |
// meta. Re-push the stored header so the new token also |
| 301 |
// has it bound; the SaaS endpoint is idempotent. |
| 302 |
$stored_header = self::get_decrypted_app_password_authorization(); |
| 303 |
if ( '' !== $stored_header ) { |
| 304 |
self::push_app_password_to_saas( $stored_header ); |
| 305 |
} |
| 306 |
return array( |
| 307 |
'success' => true, |
| 308 |
'code' => 'already_provisioned', |
| 309 |
); |
| 310 |
} |
| 311 |
// Stale UUID — fall through and mint fresh. The next |
| 312 |
// `update_setting` call overwrites the stored ciphertext. |
| 313 |
} |
| 314 |
|
| 315 |
$result = \WP_Application_Passwords::create_new_application_password( |
| 316 |
$user_id, |
| 317 |
array( |
| 318 |
'name' => 'ZipWP MCP Connection', |
| 319 |
'app_id' => 'zip-ai-' . wp_generate_uuid4(), |
| 320 |
) |
| 321 |
); |
| 322 |
|
| 323 |
if ( is_wp_error( $result ) ) { |
| 324 |
return array( |
| 325 |
'success' => false, |
| 326 |
'code' => 'create_failed', |
| 327 |
'message' => $result->get_error_message(), |
| 328 |
); |
| 329 |
} |
| 330 |
|
| 331 |
// `create_new_application_password` returns [ $plaintext_password, $item ]. |
| 332 |
// $item carries the persisted record metadata including `uuid`. |
| 333 |
list( $plaintext, $item ) = $result; |
| 334 |
if ( ! is_string( $plaintext ) || '' === $plaintext || ! is_array( $item ) || empty( $item['uuid'] ) ) { |
| 335 |
return array( |
| 336 |
'success' => false, |
| 337 |
'code' => 'create_unexpected_shape', |
| 338 |
'message' => __( 'WP_Application_Passwords returned an unexpected response shape.', 'zip-ai' ), |
| 339 |
); |
| 340 |
} |
| 341 |
|
| 342 |
// Pre-build the full `Basic <b64(user_login:plaintext)>` header value |
| 343 |
// — that's the form we actually need on the wire. Storing the |
| 344 |
// pre-built string means plaintext never round-trips through the |
| 345 |
// codebase at any point after this call. |
| 346 |
$authorization_header = 'Basic ' . base64_encode( $user->user_login . ':' . $plaintext ); |
| 347 |
|
| 348 |
self::update_setting( 'app_password_uuid', (string) $item['uuid'] ); |
| 349 |
self::update_setting( 'app_password_authorization', $authorization_header ); |
| 350 |
self::update_setting( 'app_password_user_id', (string) $user_id ); |
| 351 |
|
| 352 |
// Server-to-server delivery — push the pre-built `Basic <b64>` value |
| 353 |
// to the SaaS so the brain can pick it up from its DB at turn time. |
| 354 |
// The credential never has to ride along on a client request header, |
| 355 |
// which means it never lands in the iframe's inline JS where any |
| 356 |
// other page script could read it. Soft-fail: if the push errors we |
| 357 |
// still report `success: provisioned` locally so the admin sees the |
| 358 |
// connection as established — the next chat turn will surface a |
| 359 |
// clear MCP-auth error and the admin can disconnect/reconnect to |
| 360 |
// trigger another bind attempt. |
| 361 |
self::push_app_password_to_saas( $authorization_header ); |
| 362 |
|
| 363 |
return array( |
| 364 |
'success' => true, |
| 365 |
'code' => 'provisioned', |
| 366 |
); |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Bind the pre-built `Basic <b64>` Authorization header to the active |
| 371 |
* Sanctum token on the SaaS via `POST /api/wp-credentials/bind`. Called |
| 372 |
* right after a fresh App Password is minted (or proactively from the |
| 373 |
* OAuth callback when an `already_provisioned` credential exists and |
| 374 |
* needs to be re-bound after a SaaS-side wipe). |
| 375 |
* |
| 376 |
* Idempotent on both sides — the SaaS overwrites whatever value was |
| 377 |
* previously stored under the same token's meta column. |
| 378 |
* |
| 379 |
* @since 1.0.0 |
| 380 |
* @param string $authorization_header Pre-built `Basic <b64(user:apppwd)>` value. |
| 381 |
* @return bool True on HTTP 200, false on any error path. |
| 382 |
*/ |
| 383 |
public static function push_app_password_to_saas( $authorization_header ) { |
| 384 |
if ( ! is_string( $authorization_header ) || '' === $authorization_header ) { |
| 385 |
return false; |
| 386 |
} |
| 387 |
|
| 388 |
$auth_token = self::get_decrypted_auth_token(); |
| 389 |
if ( '' === $auth_token ) { |
| 390 |
// No Sanctum token yet — the bind has to happen post-OAuth. |
| 391 |
return false; |
| 392 |
} |
| 393 |
|
| 394 |
$response = wp_remote_post( |
| 395 |
ZIPAI_MCP_CREDIT_SERVER_API . 'wp-credentials/bind', |
| 396 |
array( |
| 397 |
'headers' => array( |
| 398 |
'Content-Type' => 'application/json', |
| 399 |
'Accept' => 'application/json', |
| 400 |
'Authorization' => 'Bearer ' . $auth_token, |
| 401 |
), |
| 402 |
'body' => wp_json_encode( |
| 403 |
array( |
| 404 |
'authorization_header' => $authorization_header, |
| 405 |
) |
| 406 |
), |
| 407 |
'timeout' => 15, |
| 408 |
'sslverify' => self::should_verify_ssl(), |
| 409 |
) |
| 410 |
); |
| 411 |
|
| 412 |
if ( is_wp_error( $response ) ) { |
| 413 |
error_log( '[zip-ai] wp-credentials/bind failed: ' . $response->get_error_message() ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
| 414 |
return false; |
| 415 |
} |
| 416 |
|
| 417 |
$status_code = wp_remote_retrieve_response_code( $response ); |
| 418 |
if ( 200 !== (int) $status_code ) { |
| 419 |
error_log( sprintf( '[zip-ai] wp-credentials/bind returned HTTP %d', (int) $status_code ) ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
| 420 |
return false; |
| 421 |
} |
| 422 |
|
| 423 |
return true; |
| 424 |
} |
| 425 |
|
| 426 |
/** |
| 427 |
* Inverse of `push_app_password_to_saas()` — tell the SaaS to drop the |
| 428 |
* bound credential. Called from `revoke_app_password()` so the SaaS |
| 429 |
* state tracks the WP-side revoke. |
| 430 |
* |
| 431 |
* @since 1.0.0 |
| 432 |
* @return bool True on HTTP 200, false on any error path. |
| 433 |
*/ |
| 434 |
public static function unpush_app_password_from_saas() { |
| 435 |
$auth_token = self::get_decrypted_auth_token(); |
| 436 |
if ( '' === $auth_token ) { |
| 437 |
return false; |
| 438 |
} |
| 439 |
|
| 440 |
$response = wp_remote_post( |
| 441 |
ZIPAI_MCP_CREDIT_SERVER_API . 'wp-credentials/unbind', |
| 442 |
array( |
| 443 |
'headers' => array( |
| 444 |
'Content-Type' => 'application/json', |
| 445 |
'Accept' => 'application/json', |
| 446 |
'Authorization' => 'Bearer ' . $auth_token, |
| 447 |
), |
| 448 |
'body' => wp_json_encode( array() ), |
| 449 |
'timeout' => 15, |
| 450 |
'sslverify' => self::should_verify_ssl(), |
| 451 |
) |
| 452 |
); |
| 453 |
|
| 454 |
if ( is_wp_error( $response ) ) { |
| 455 |
error_log( '[zip-ai] wp-credentials/unbind failed: ' . $response->get_error_message() ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
| 456 |
return false; |
| 457 |
} |
| 458 |
|
| 459 |
$status_code = wp_remote_retrieve_response_code( $response ); |
| 460 |
return 200 === (int) $status_code; |
| 461 |
} |
| 462 |
|
| 463 |
/** |
| 464 |
* Revoke the stored Application Password (if any) and clear its |
| 465 |
* settings rows. Called from the disconnect AJAX handler. |
| 466 |
* |
| 467 |
* @since 1.0.0 |
| 468 |
* @return bool True if a password was revoked, false if nothing was stored. |
| 469 |
*/ |
| 470 |
public static function revoke_app_password() { |
| 471 |
$mcp_settings = get_option( 'zip_mcp_settings', array() ); |
| 472 |
if ( ! is_array( $mcp_settings ) ) { |
| 473 |
return false; |
| 474 |
} |
| 475 |
|
| 476 |
$uuid = ! empty( $mcp_settings['app_password_uuid'] ) && is_string( $mcp_settings['app_password_uuid'] ) |
| 477 |
? (string) Utils::decrypt( $mcp_settings['app_password_uuid'] ) |
| 478 |
: ''; |
| 479 |
$user_id = ! empty( $mcp_settings['app_password_user_id'] ) && is_string( $mcp_settings['app_password_user_id'] ) |
| 480 |
? (int) Utils::decrypt( $mcp_settings['app_password_user_id'] ) |
| 481 |
: 0; |
| 482 |
|
| 483 |
$revoked = false; |
| 484 |
if ( '' !== $uuid && $user_id > 0 && class_exists( '\WP_Application_Passwords' ) ) { |
| 485 |
$revoked = (bool) \WP_Application_Passwords::delete_application_password( $user_id, $uuid ); |
| 486 |
} |
| 487 |
|
| 488 |
// Drop the SaaS-side mirror BEFORE we wipe local meta so the bind |
| 489 |
// endpoint still has access to the active Sanctum token (cleared |
| 490 |
// separately by `zipwp_clear_settings()`). Soft-fail — the local |
| 491 |
// revoke is authoritative; SaaS will 401 next turn if the |
| 492 |
// unbind didn't land and the admin can reconnect. |
| 493 |
self::unpush_app_password_from_saas(); |
| 494 |
|
| 495 |
unset( |
| 496 |
$mcp_settings['app_password_authorization'], |
| 497 |
$mcp_settings['app_password_uuid'], |
| 498 |
$mcp_settings['app_password_user_id'] |
| 499 |
); |
| 500 |
update_option( 'zip_mcp_settings', $mcp_settings ); |
| 501 |
|
| 502 |
return $revoked; |
| 503 |
} |
| 504 |
|
| 505 |
/** |
| 506 |
* Validate the auth token against the configured credit server. |
| 507 |
* |
| 508 |
* @param string $auth_token The auth token to validate. |
| 509 |
* @since 1.0.0 |
| 510 |
* @return bool|null True when valid, false when rejected, null when validation could not be completed. |
| 511 |
*/ |
| 512 |
public static function validate_credit_server_auth_token( $auth_token ) { |
| 513 |
if ( empty( $auth_token ) || ! is_string( $auth_token ) ) { |
| 514 |
return false; |
| 515 |
} |
| 516 |
|
| 517 |
$response = wp_remote_post( |
| 518 |
ZIPAI_MCP_CREDIT_SERVER_API . 'auth/validate', |
| 519 |
array( |
| 520 |
'headers' => array( |
| 521 |
'Content-Type' => 'application/json', |
| 522 |
'Accept' => 'application/json', |
| 523 |
'Authorization' => 'Bearer ' . $auth_token, |
| 524 |
), |
| 525 |
'body' => wp_json_encode( array() ), |
| 526 |
'timeout' => 15, |
| 527 |
'sslverify' => self::should_verify_ssl(), |
| 528 |
) |
| 529 |
); |
| 530 |
|
| 531 |
if ( is_wp_error( $response ) ) { |
| 532 |
return null; |
| 533 |
} |
| 534 |
|
| 535 |
$status_code = wp_remote_retrieve_response_code( $response ); |
| 536 |
$response_body = wp_remote_retrieve_body( $response ); |
| 537 |
$response_data = json_decode( $response_body, true ); |
| 538 |
|
| 539 |
if ( 200 === $status_code ) { |
| 540 |
return ! empty( $response_data['valid'] ); |
| 541 |
} |
| 542 |
|
| 543 |
if ( 401 === $status_code || 403 === $status_code ) { |
| 544 |
return false; |
| 545 |
} |
| 546 |
|
| 547 |
return null; |
| 548 |
} |
| 549 |
|
| 550 |
/** |
| 551 |
* Exchange a ZipWP app token for a local credit-server auth token. |
| 552 |
* |
| 553 |
* @param string $zip_token The ZipWP app token. |
| 554 |
* @param string $email The user email. |
| 555 |
* @param string $name The user name. |
| 556 |
* @since 1.0.0 |
| 557 |
* @return array The exchange result containing token details, or an empty array on failure. |
| 558 |
*/ |
| 559 |
public static function exchange_zipwp_token_for_local_auth_token( $zip_token, $email, $name = '' ) { |
| 560 |
if ( empty( $zip_token ) || ! is_string( $zip_token ) || empty( $email ) || ! is_string( $email ) ) { |
| 561 |
return array(); |
| 562 |
} |
| 563 |
|
| 564 |
$request_body = array( |
| 565 |
'token' => $zip_token, |
| 566 |
'email' => $email, |
| 567 |
'site_id' => self::get_site_id(), |
| 568 |
); |
| 569 |
|
| 570 |
if ( '' !== $name ) { |
| 571 |
$request_body['name'] = $name; |
| 572 |
} |
| 573 |
|
| 574 |
if ( get_current_user_id() > 0 ) { |
| 575 |
$request_body['user_id'] = get_current_user_id(); |
| 576 |
} |
| 577 |
|
| 578 |
$response = wp_remote_post( |
| 579 |
ZIPAI_MCP_CREDIT_SERVER_API . 'token/exchange', |
| 580 |
array( |
| 581 |
'headers' => array( |
| 582 |
'Content-Type' => 'application/json', |
| 583 |
'Accept' => 'application/json', |
| 584 |
), |
| 585 |
'body' => wp_json_encode( $request_body ), |
| 586 |
'timeout' => 15, |
| 587 |
'sslverify' => self::should_verify_ssl(), |
| 588 |
) |
| 589 |
); |
| 590 |
|
| 591 |
if ( is_wp_error( $response ) ) { |
| 592 |
return array(); |
| 593 |
} |
| 594 |
|
| 595 |
$status_code = wp_remote_retrieve_response_code( $response ); |
| 596 |
$response_body = wp_remote_retrieve_body( $response ); |
| 597 |
$response_data = json_decode( $response_body, true ); |
| 598 |
|
| 599 |
if ( ! in_array( $status_code, array( 200, 201 ), true ) || empty( $response_data['success'] ) || empty( $response_data['token'] ) ) { |
| 600 |
return array(); |
| 601 |
} |
| 602 |
|
| 603 |
return array( |
| 604 |
'token' => sanitize_text_field( $response_data['token'] ), |
| 605 |
'email' => ! empty( $response_data['email'] ) ? sanitize_email( $response_data['email'] ) : $email, |
| 606 |
'name' => ! empty( $response_data['name'] ) ? sanitize_text_field( $response_data['name'] ) : $name, |
| 607 |
); |
| 608 |
} |
| 609 |
|
| 610 |
/** |
| 611 |
* Get the configured credit server identifier for token compatibility checks. |
| 612 |
* |
| 613 |
* @since 1.0.0 |
| 614 |
* @return string The normalized credit server API URL. |
| 615 |
*/ |
| 616 |
private static function get_credit_server_identifier() { |
| 617 |
return untrailingslashit( ZIPAI_MCP_CREDIT_SERVER_API ); |
| 618 |
} |
| 619 |
|
| 620 |
/** |
| 621 |
* Generate a shared secret for HMAC authentication. |
| 622 |
* |
| 623 |
* @since 1.0.0 |
| 624 |
* @return string The generated shared secret. |
| 625 |
*/ |
| 626 |
public static function generate_shared_secret() { |
| 627 |
return bin2hex( random_bytes( 32 ) ); |
| 628 |
} |
| 629 |
/** |
| 630 |
* Get or generate the shared secret for HMAC authentication. |
| 631 |
* |
| 632 |
* @since 1.0.0 |
| 633 |
* @return string The shared secret. |
| 634 |
*/ |
| 635 |
public static function get_shared_secret() { |
| 636 |
// Get the encrypted shared secret from settings. |
| 637 |
$encrypted_shared_secret = self::get_setting( 'shared_secret', '' ); |
| 638 |
|
| 639 |
if ( empty( $encrypted_shared_secret ) ) { |
| 640 |
// Generate new shared secret. |
| 641 |
$shared_secret = self::generate_shared_secret(); |
| 642 |
self::update_setting( 'shared_secret', $shared_secret ); |
| 643 |
return $shared_secret; |
| 644 |
} |
| 645 |
|
| 646 |
// Decrypt and return the existing shared secret. |
| 647 |
return Utils::decrypt( $encrypted_shared_secret ); |
| 648 |
} |
| 649 |
|
| 650 |
/** |
| 651 |
* Update a specific setting in the ZIP AI settings. |
| 652 |
* |
| 653 |
* @param string $key The setting key. |
| 654 |
* @param mixed $value The setting value. |
| 655 |
* @since 1.0.0 |
| 656 |
* @return bool True if the setting was updated, false otherwise. |
| 657 |
*/ |
| 658 |
public static function update_setting( $key, $value ) { |
| 659 |
$existing_settings = self::get_admin_settings_option( 'zip_mcp_settings', array() ); |
| 660 |
|
| 661 |
if ( ! is_array( $existing_settings ) ) { |
| 662 |
$existing_settings = array(); |
| 663 |
} |
| 664 |
|
| 665 |
$existing_settings[ $key ] = Utils::encrypt( $value ); |
| 666 |
|
| 667 |
return self::update_admin_settings_option( 'zip_mcp_settings', $existing_settings ); |
| 668 |
} |
| 669 |
|
| 670 |
/** |
| 671 |
* Get the site ID for HMAC authentication. |
| 672 |
* |
| 673 |
* @since 1.0.0 |
| 674 |
* @return string The site ID. |
| 675 |
*/ |
| 676 |
public static function get_site_id() { |
| 677 |
return get_site_url(); |
| 678 |
} |
| 679 |
|
| 680 |
/** |
| 681 |
* Register the shared secret with Laravel server during plugin activation. |
| 682 |
* |
| 683 |
* @since 1.0.0 |
| 684 |
* @return array The registration response. |
| 685 |
*/ |
| 686 |
public static function register_shared_secret_with_laravel() { |
| 687 |
$shared_secret = self::get_shared_secret(); |
| 688 |
$site_id = self::get_site_id(); |
| 689 |
|
| 690 |
// Register endpoint - this should point to your Laravel server. |
| 691 |
$register_endpoint = ZIPAI_MCP_CREDIT_SERVER_API . 'auth/register-secret'; |
| 692 |
|
| 693 |
$registration_data = array( |
| 694 |
'site_id' => $site_id, |
| 695 |
'secret' => $shared_secret, |
| 696 |
'site_name' => get_bloginfo( 'name' ), |
| 697 |
'admin_email' => get_option( 'admin_email' ), |
| 698 |
); |
| 699 |
|
| 700 |
$response = wp_remote_post( |
| 701 |
$register_endpoint, |
| 702 |
array( |
| 703 |
'headers' => array( |
| 704 |
'Content-Type' => 'application/json', |
| 705 |
), |
| 706 |
'body' => wp_json_encode( $registration_data ), |
| 707 |
'timeout' => 30, |
| 708 |
) |
| 709 |
); |
| 710 |
|
| 711 |
if ( is_wp_error( $response ) ) { |
| 712 |
return array( |
| 713 |
'error' => $response->get_error_message(), |
| 714 |
'code' => 'registration_failed', |
| 715 |
); |
| 716 |
} |
| 717 |
|
| 718 |
$response_body = wp_remote_retrieve_body( $response ); |
| 719 |
$status_code = wp_remote_retrieve_response_code( $response ); |
| 720 |
|
| 721 |
if ( 200 !== $status_code ) { |
| 722 |
return array( |
| 723 |
'error' => __( 'Failed to register with Laravel server.', 'zip-ai' ), |
| 724 |
'code' => 'registration_failed', |
| 725 |
); |
| 726 |
} |
| 727 |
|
| 728 |
$response_data = json_decode( $response_body, true ); |
| 729 |
|
| 730 |
// Store the registration status. |
| 731 |
self::update_setting( 'hmac_registered', 'true' ); |
| 732 |
|
| 733 |
return $response_data; |
| 734 |
} |
| 735 |
|
| 736 |
/** |
| 737 |
* Check if HMAC is registered with Laravel. |
| 738 |
* |
| 739 |
* @since 1.0.0 |
| 740 |
* @return bool True if registered, false otherwise. |
| 741 |
*/ |
| 742 |
public static function is_hmac_registered() { |
| 743 |
return 'true' === self::get_setting( 'hmac_registered', 'false' ); |
| 744 |
} |
| 745 |
|
| 746 |
/** |
| 747 |
* Prepare a block array for WordPress serialize_blocks(). |
| 748 |
* |
| 749 |
* LLM-generated blocks only have blockName/attrs/innerBlocks. |
| 750 |
* WordPress serialize_block() requires innerHTML and innerContent |
| 751 |
* to know how to render the block tree. This adds the missing keys. |
| 752 |
* |
| 753 |
* - Blocks with innerBlocks: innerContent = [null, null, ...] (one per child) |
| 754 |
* - Blocks without innerBlocks: innerContent = [] (self-closing) |
| 755 |
* - Already-prepared blocks (from parse_blocks): left untouched |
| 756 |
* |
| 757 |
* @since 1.0.0 |
| 758 |
* @param array $blocks Array of block objects. |
| 759 |
* @return array Blocks ready for serialize_blocks(). |
| 760 |
*/ |
| 761 |
public static function prepare_blocks_for_serialization( $blocks ) { |
| 762 |
if ( ! is_array( $blocks ) ) { |
| 763 |
return array(); |
| 764 |
} |
| 765 |
|
| 766 |
return array_map( function( $block ) { |
| 767 |
if ( ! is_array( $block ) ) { |
| 768 |
return $block; |
| 769 |
} |
| 770 |
|
| 771 |
// Already prepared (e.g. from parse_blocks) — skip |
| 772 |
if ( isset( $block['innerContent'] ) ) { |
| 773 |
// Still recurse into innerBlocks in case they need preparation |
| 774 |
if ( ! empty( $block['innerBlocks'] ) ) { |
| 775 |
$block['innerBlocks'] = Helper::prepare_blocks_for_serialization( $block['innerBlocks'] ); |
| 776 |
} |
| 777 |
return $block; |
| 778 |
} |
| 779 |
|
| 780 |
// Ensure attrs is an array |
| 781 |
if ( ! isset( $block['attrs'] ) || ! is_array( $block['attrs'] ) ) { |
| 782 |
$block['attrs'] = array(); |
| 783 |
} |
| 784 |
|
| 785 |
// Recursively prepare innerBlocks first |
| 786 |
if ( ! empty( $block['innerBlocks'] ) && is_array( $block['innerBlocks'] ) ) { |
| 787 |
$block['innerBlocks'] = Helper::prepare_blocks_for_serialization( $block['innerBlocks'] ); |
| 788 |
// One null per inner block — tells serialize_block() where to place each child |
| 789 |
$block['innerContent'] = array_fill( 0, count( $block['innerBlocks'] ), null ); |
| 790 |
} else { |
| 791 |
$block['innerBlocks'] = array(); |
| 792 |
$block['innerContent'] = array(); |
| 793 |
} |
| 794 |
|
| 795 |
// innerHTML is empty for Spectra blocks (content is in attrs + innerBlocks) |
| 796 |
if ( ! isset( $block['innerHTML'] ) ) { |
| 797 |
$block['innerHTML'] = ''; |
| 798 |
} |
| 799 |
|
| 800 |
return $block; |
| 801 |
}, $blocks ); |
| 802 |
} |
| 803 |
|
| 804 |
} |
| 805 |
|
