| 1 |
<?php |
| 2 |
/** |
| 3 |
* Object Cache module — status, settings, wp-config snippet, flush. |
| 4 |
* |
| 5 |
* Tier: Free per FEATURES.md "Object Cache" §1-11 (LiteSpeed parity). |
| 6 |
* |
| 7 |
* We don't ship our own object-cache.php drop-in in this Free release |
| 8 |
* (see Object_Cache class docblock for rationale). The settings here |
| 9 |
* are surfaced via the wp-config snippet; advanced consumers (Pro, |
| 10 |
* external drop-ins like Redis Object Cache) can read them too. |
| 11 |
* |
| 12 |
* @package XSpeed |
| 13 |
*/ |
| 14 |
|
| 15 |
declare(strict_types=1); |
| 16 |
|
| 17 |
namespace XSpeed\Modules\ObjectCache; |
| 18 |
|
| 19 |
defined( 'ABSPATH' ) || exit; |
| 20 |
|
| 21 |
use XSpeed\Module; |
| 22 |
use XSpeed\Object_Cache; |
| 23 |
|
| 24 |
final class ObjectCacheModule extends Module { |
| 25 |
|
| 26 |
public const SLUG = 'object-cache'; |
| 27 |
public const TIER = self::TIER_FREE; |
| 28 |
public const VERSION = '1.1.0'; |
| 29 |
|
| 30 |
public function ui_metadata(): array { |
| 31 |
return array( |
| 32 |
'label' => 'Object Cache', |
| 33 |
'icon' => 'Server', |
| 34 |
'description' => 'Configure a persistent object cache (Redis / Memcached) and generate a paste-ready wp-config.php snippet.', |
| 35 |
'custom_panel' => 'ObjectCachePanel', |
| 36 |
); |
| 37 |
} |
| 38 |
|
| 39 |
public function settings_schema(): array { |
| 40 |
return array( |
| 41 |
'backend' => array( |
| 42 |
'type' => 'enum', |
| 43 |
'default' => 'redis', |
| 44 |
'options' => array( 'redis', 'memcached' ), |
| 45 |
'option_labels' => array( |
| 46 |
'redis' => 'Redis', |
| 47 |
'memcached' => 'Memcached', |
| 48 |
), |
| 49 |
'label' => 'Backend', |
| 50 |
'description' => 'Which cache server you intend to use. Affects the generated wp-config snippet.', |
| 51 |
), |
| 52 |
'redis_host' => array( |
| 53 |
'type' => 'string', |
| 54 |
'default' => '127.0.0.1', |
| 55 |
'label' => 'Redis Host', |
| 56 |
'description' => 'Hostname or IP of the Redis server. Use 127.0.0.1 for a local socket on the same machine as PHP.', |
| 57 |
), |
| 58 |
'redis_port' => array( |
| 59 |
'type' => 'int', |
| 60 |
'default' => 6379, |
| 61 |
'min' => 1, |
| 62 |
'max' => 65535, |
| 63 |
'label' => 'Redis Port', |
| 64 |
'description' => 'Default Redis port is 6379.', |
| 65 |
), |
| 66 |
'redis_user' => array( |
| 67 |
'type' => 'string', |
| 68 |
'default' => '', |
| 69 |
'label' => 'Redis User', |
| 70 |
'description' => 'Optional. Set this only if your host provisioned a dedicated Redis ACL user (Redis 6+) — e.g. some managed hosts issue a Redis User alongside the password. Leave blank to authenticate as the default user (legacy password-only Redis).', |
| 71 |
), |
| 72 |
'redis_password' => array( |
| 73 |
'type' => 'secret', |
| 74 |
'default' => '', |
| 75 |
'label' => 'Redis Password', |
| 76 |
'description' => 'Leave blank if your Redis server runs without auth.', |
| 77 |
), |
| 78 |
'redis_database' => array( |
| 79 |
'type' => 'int', |
| 80 |
'default' => 0, |
| 81 |
'min' => 0, |
| 82 |
'max' => 15, |
| 83 |
'label' => 'Redis Database', |
| 84 |
'description' => 'Redis logical DB number (0-15). Use a dedicated DB per site if Redis is shared.', |
| 85 |
), |
| 86 |
'memcached_host' => array( |
| 87 |
'type' => 'string', |
| 88 |
'default' => '127.0.0.1', |
| 89 |
'label' => 'Memcached Host', |
| 90 |
'description' => 'Used when Backend = Memcached.', |
| 91 |
), |
| 92 |
'memcached_port' => array( |
| 93 |
'type' => 'int', |
| 94 |
'default' => 11211, |
| 95 |
'min' => 1, |
| 96 |
'max' => 65535, |
| 97 |
'label' => 'Memcached Port', |
| 98 |
'description' => 'Default Memcached port is 11211.', |
| 99 |
), |
| 100 |
'key_prefix' => array( |
| 101 |
'type' => 'string', |
| 102 |
'default' => '', |
| 103 |
'label' => 'Cache Key Prefix', |
| 104 |
'description' => 'Unique salt for this site\'s cache keys. Critical when multiple WP sites share one Redis/Memcached server. On ACL/namespaced Redis (e.g. xCloud), this MUST match the host\'s "Redis Object Cache Key" — otherwise cache writes are denied (NOPERM) and nothing persists.', |
| 105 |
), |
| 106 |
'connection_timeout' => array( |
| 107 |
'type' => 'int', |
| 108 |
'default' => 1, |
| 109 |
'min' => 0, |
| 110 |
'max' => 60, |
| 111 |
'label' => 'Connection Timeout (seconds)', |
| 112 |
'description' => 'How long to wait for a connection. Keep low (1-2s) so a misconfigured cache never stalls the page.', |
| 113 |
), |
| 114 |
'persistent' => array( |
| 115 |
'type' => 'bool', |
| 116 |
'default' => true, |
| 117 |
'label' => 'Persistent Connections', |
| 118 |
'description' => 'Reuse the connection across PHP requests when supported. Generally a win unless the cache server complains about idle connections.', |
| 119 |
), |
| 120 |
); |
| 121 |
} |
| 122 |
|
| 123 |
/** |
| 124 |
* Encrypt the pre-1.1.0 plaintext redis_password on upgrade — it became a |
| 125 |
* `secret`-typed field (encrypted at rest). Idempotent. (#115) |
| 126 |
*/ |
| 127 |
public function migrations(): array { |
| 128 |
return array( |
| 129 |
'1.1.0' => static function ( array $opts ): array { |
| 130 |
if ( isset( $opts['redis_password'] ) && is_string( $opts['redis_password'] ) && '' !== $opts['redis_password'] ) { |
| 131 |
$opts['redis_password'] = \XSpeed\Settings_Manager::encrypt_for_storage( $opts['redis_password'] ); |
| 132 |
} |
| 133 |
return $opts; |
| 134 |
}, |
| 135 |
); |
| 136 |
} |
| 137 |
|
| 138 |
public function boot(): void { |
| 139 |
// Keep the deployed drop-in in sync with the shipped template. It is |
| 140 |
// copied into wp-content/object-cache.php on enable and then never |
| 141 |
// touched again — so a fix shipped in a plugin update (e.g. the |
| 142 |
// stale-alloptions eviction on failed backend writes, issue #41) |
| 143 |
// would never reach existing installs. Version-gated so the file |
| 144 |
// comparison runs once per plugin version, not on every admin load. |
| 145 |
add_action( |
| 146 |
'admin_init', |
| 147 |
static function (): void { |
| 148 |
if ( get_option( 'xspeed_oc_dropin_synced', '' ) === XSPEED_VERSION ) { |
| 149 |
return; |
| 150 |
} |
| 151 |
if ( Object_Cache::is_our_dropin_present() ) { |
| 152 |
Object_Cache::install_dropin(); |
| 153 |
} |
| 154 |
update_option( 'xspeed_oc_dropin_synced', XSPEED_VERSION ); |
| 155 |
} |
| 156 |
); |
| 157 |
} |
| 158 |
|
| 159 |
public function rest_routes(): array { |
| 160 |
$default = parent::rest_routes(); |
| 161 |
return array_merge( |
| 162 |
$default, |
| 163 |
array( |
| 164 |
array( |
| 165 |
'path' => '/detect', |
| 166 |
'methods' => 'GET', |
| 167 |
'callback' => array( $this, 'rest_detect' ), |
| 168 |
), |
| 169 |
array( |
| 170 |
'path' => '/flush', |
| 171 |
'methods' => 'POST', |
| 172 |
'callback' => array( $this, 'rest_flush' ), |
| 173 |
), |
| 174 |
array( |
| 175 |
'path' => '/snippet', |
| 176 |
'methods' => 'GET', |
| 177 |
'callback' => array( $this, 'rest_snippet' ), |
| 178 |
), |
| 179 |
array( |
| 180 |
'path' => '/test-connection', |
| 181 |
'methods' => 'POST', |
| 182 |
'callback' => array( $this, 'rest_test_connection' ), |
| 183 |
), |
| 184 |
array( |
| 185 |
'path' => '/enable', |
| 186 |
'methods' => 'POST', |
| 187 |
'callback' => array( $this, 'rest_enable' ), |
| 188 |
), |
| 189 |
array( |
| 190 |
'path' => '/disable', |
| 191 |
'methods' => 'POST', |
| 192 |
'callback' => array( $this, 'rest_disable' ), |
| 193 |
), |
| 194 |
) |
| 195 |
); |
| 196 |
} |
| 197 |
|
| 198 |
public function rest_detect( \WP_REST_Request $request ) { |
| 199 |
return rest_ensure_response( Object_Cache::detect() ); |
| 200 |
} |
| 201 |
|
| 202 |
public function rest_flush( \WP_REST_Request $request ) { |
| 203 |
$ok = Object_Cache::flush(); |
| 204 |
if ( $ok && class_exists( '\\XSpeed\\Activity_Log' ) ) { |
| 205 |
\XSpeed\Activity_Log::record( |
| 206 |
'object_cache_flushed', |
| 207 |
'Object cache flushed.', |
| 208 |
\XSpeed\Activity_Log::INFO |
| 209 |
); |
| 210 |
} |
| 211 |
return rest_ensure_response( array( 'ok' => $ok ) ); |
| 212 |
} |
| 213 |
|
| 214 |
public function rest_snippet( \WP_REST_Request $request ) { |
| 215 |
return rest_ensure_response( |
| 216 |
array( 'snippet' => Object_Cache::render_config_snippet( $this->get_settings() ) ) |
| 217 |
); |
| 218 |
} |
| 219 |
|
| 220 |
/** |
| 221 |
* Merge any settings sent in the request body over the saved settings, so |
| 222 |
* the UI can "Test connection" with unsaved values. Only known keys pass. |
| 223 |
*/ |
| 224 |
private function settings_with_overrides( \WP_REST_Request $request ): array { |
| 225 |
$body = $request->get_json_params(); |
| 226 |
return self::merge_overrides( |
| 227 |
$this->get_settings(), |
| 228 |
is_array( $body ) ? $body : array(), |
| 229 |
$this->settings_schema() |
| 230 |
); |
| 231 |
} |
| 232 |
|
| 233 |
/** |
| 234 |
* Overlay request-body values onto the stored settings for a one-off "Test |
| 235 |
* connection" — but NEVER let a masked secret echoed from the panel overwrite |
| 236 |
* the real stored value. The panel holds `Redi••••CRET`; without this guard, |
| 237 |
* clicking Test connection authenticates Redis with the mask and a correct |
| 238 |
* password reports as wrong. A genuinely new (typed) password still applies, |
| 239 |
* and an explicit empty value still tests the no-auth case. Static + pure so |
| 240 |
* it's unit-testable without a REST request. (QA B3) |
| 241 |
* |
| 242 |
* @param array<string,mixed> $settings Stored, decrypted settings. |
| 243 |
* @param array<string,mixed> $body Request overrides. |
| 244 |
* @param array<string,array> $schema The module schema (for secret detection). |
| 245 |
* @return array<string,mixed> |
| 246 |
*/ |
| 247 |
public static function merge_overrides( array $settings, array $body, array $schema ): array { |
| 248 |
foreach ( $settings as $key => $value ) { |
| 249 |
if ( ! array_key_exists( $key, $body ) ) { |
| 250 |
continue; |
| 251 |
} |
| 252 |
if ( isset( $schema[ $key ] ) |
| 253 |
&& \XSpeed\Settings_Manager::is_secret_field( $key, $schema[ $key ] ) |
| 254 |
&& \XSpeed\Settings_Manager::is_masked_secret( (string) $body[ $key ] ) ) { |
| 255 |
continue; |
| 256 |
} |
| 257 |
$settings[ $key ] = $body[ $key ]; |
| 258 |
} |
| 259 |
return $settings; |
| 260 |
} |
| 261 |
|
| 262 |
public function rest_test_connection( \WP_REST_Request $request ) { |
| 263 |
return rest_ensure_response( Object_Cache::test_connection( $this->settings_with_overrides( $request ) ) ); |
| 264 |
} |
| 265 |
|
| 266 |
public function rest_enable( \WP_REST_Request $request ) { |
| 267 |
// Persist any settings sent with the enable call first, then act on them. |
| 268 |
$body = $request->get_json_params(); |
| 269 |
if ( is_array( $body ) && ! empty( $body ) ) { |
| 270 |
\XSpeed\Settings_Manager::update( self::SLUG, $body ); |
| 271 |
} |
| 272 |
$result = Object_Cache::enable( $this->get_settings() ); |
| 273 |
|
| 274 |
if ( $result['ok'] && class_exists( '\\XSpeed\\Activity_Log' ) ) { |
| 275 |
\XSpeed\Activity_Log::record( |
| 276 |
'object_cache_enabled', |
| 277 |
'Object cache enabled (' . ( $result['test']['backend'] ?? '' ) . ').', |
| 278 |
\XSpeed\Activity_Log::INFO |
| 279 |
); |
| 280 |
} |
| 281 |
return rest_ensure_response( $result ); |
| 282 |
} |
| 283 |
|
| 284 |
public function rest_disable( \WP_REST_Request $request ) { |
| 285 |
$result = Object_Cache::disable(); |
| 286 |
if ( $result['ok'] && class_exists( '\\XSpeed\\Activity_Log' ) ) { |
| 287 |
\XSpeed\Activity_Log::record( |
| 288 |
'object_cache_disabled', |
| 289 |
'Object cache disabled.', |
| 290 |
\XSpeed\Activity_Log::INFO |
| 291 |
); |
| 292 |
} |
| 293 |
return rest_ensure_response( $result ); |
| 294 |
} |
| 295 |
|
| 296 |
public function cli_commands(): array { |
| 297 |
return array( |
| 298 |
array( |
| 299 |
'name' => 'xspeed objcache', |
| 300 |
'callback' => array( $this, 'cli_handler' ), |
| 301 |
'shortdesc' => 'Show object cache status, flush, or print the wp-config snippet.', |
| 302 |
'synopsis' => array( |
| 303 |
array( |
| 304 |
'type' => 'positional', |
| 305 |
'name' => 'action', |
| 306 |
'options' => array( 'status', 'flush', 'snippet', 'enable', 'disable', 'test' ), |
| 307 |
'optional' => true, |
| 308 |
), |
| 309 |
), |
| 310 |
), |
| 311 |
); |
| 312 |
} |
| 313 |
|
| 314 |
public function cli_handler( array $args, array $assoc ): void { |
| 315 |
$action = $args[0] ?? 'status'; |
| 316 |
switch ( $action ) { |
| 317 |
case 'status': |
| 318 |
$d = Object_Cache::detect(); |
| 319 |
\WP_CLI::log( 'drop-in installed: ' . ( $d['drop_in_installed'] ? 'yes' : 'no' ) ); |
| 320 |
\WP_CLI::log( 'label: ' . $d['drop_in_label'] ); |
| 321 |
\WP_CLI::log( 'backend: ' . $d['backend'] ); |
| 322 |
\WP_CLI::log( 'ext object cache: ' . ( $d['wp_cache_active'] ? 'yes' : 'no' ) ); |
| 323 |
return; |
| 324 |
case 'flush': |
| 325 |
$ok = Object_Cache::flush(); |
| 326 |
$ok ? \WP_CLI::success( 'Flushed.' ) : \WP_CLI::error( 'Flush failed.' ); |
| 327 |
return; |
| 328 |
case 'snippet': |
| 329 |
\WP_CLI::log( Object_Cache::render_config_snippet( $this->get_settings() ) ); |
| 330 |
return; |
| 331 |
case 'test': |
| 332 |
$t = Object_Cache::test_connection( $this->get_settings() ); |
| 333 |
$t['ok'] ? \WP_CLI::success( $t['message'] ) : \WP_CLI::error( $t['message'] ); |
| 334 |
return; |
| 335 |
case 'enable': |
| 336 |
$r = Object_Cache::enable( $this->get_settings() ); |
| 337 |
$r['ok'] ? \WP_CLI::success( $r['message'] ) : \WP_CLI::error( $r['message'] ); |
| 338 |
return; |
| 339 |
case 'disable': |
| 340 |
$r = Object_Cache::disable(); |
| 341 |
$r['ok'] ? \WP_CLI::success( $r['message'] ) : \WP_CLI::error( $r['message'] ); |
| 342 |
return; |
| 343 |
default: |
| 344 |
\WP_CLI::error( "Unknown action: $action" ); |
| 345 |
} |
| 346 |
} |
| 347 |
} |
| 348 |
|
