| 1 |
<?php |
| 2 |
|
| 3 |
namespace gVectors\License\Services; |
| 4 |
|
| 5 |
use gVectors\License\Config; |
| 6 |
use gVectors\License\LicenseModule; |
| 7 |
|
| 8 |
// Exit if accessed directly |
| 9 |
if( ! defined( 'ABSPATH' ) ) exit; |
| 10 |
|
| 11 |
/** |
| 12 |
* Manages license storage, validation, and revalidation. |
| 13 |
* Licenses are stored locally, but the proxy server is the source of truth. |
| 14 |
*/ |
| 15 |
class LicenseService { |
| 16 |
/** |
| 17 |
* Terminal statuses/reasons: license is removed AND the addon is deactivated + deleted. |
| 18 |
*/ |
| 19 |
const TERMINAL_STATUSES = [ 'invalid' ]; |
| 20 |
const REFUND_REASONS = [ 'refunded' ]; |
| 21 |
public $apiService; |
| 22 |
public $tampered_option; |
| 23 |
public $expired_notice_option; |
| 24 |
private $config; |
| 25 |
private $batch_cache_key; |
| 26 |
private $option_key; |
| 27 |
|
| 28 |
public function __construct( Config $config, ApiService $apiService ) { |
| 29 |
$this->config = $config; |
| 30 |
$this->apiService = $apiService; |
| 31 |
$this->batch_cache_key = $this->config->get_core_plugin_slug() . '_gvectors_batch_validation'; |
| 32 |
$this->option_key = $this->config->get_core_plugin_slug() . '_gvectors_licenses'; |
| 33 |
$this->tampered_option = $this->config->get_core_plugin_slug() . '_gvectors_tampered_addons'; |
| 34 |
$this->expired_notice_option = $this->config->get_core_plugin_slug() . '_gvectors_expired_license_notices'; |
| 35 |
$this->init_hooks(); |
| 36 |
} |
| 37 |
|
| 38 |
private function init_hooks() { |
| 39 |
add_action( 'gvectors_daily_cron', [ $this, 'maybe_revalidate_all' ] ); |
| 40 |
if( ! wp_next_scheduled( 'gvectors_revalidate' ) ) { |
| 41 |
wp_schedule_event( time(), 'daily', 'gvectors_revalidate' ); |
| 42 |
} |
| 43 |
add_action( 'gvectors_revalidate', [ $this, 'maybe_revalidate_all' ] ); |
| 44 |
} |
| 45 |
|
| 46 |
/** |
| 47 |
* Check if a product has an active license |
| 48 |
*/ |
| 49 |
public function is_active( string $product_id ): bool { |
| 50 |
$license = $this->get( $product_id ); |
| 51 |
if( empty( $license ) || empty( $license['status'] ) ) return false; |
| 52 |
if( ! in_array( $license['status'], [ 'active', 'trial' ], true ) ) return false; |
| 53 |
$expires_ts = ! empty( $license['expires_at'] ) ? strtotime( $license['expires_at'] ) : false; |
| 54 |
if( $expires_ts !== false && $expires_ts < time() ) return false; |
| 55 |
|
| 56 |
return true; |
| 57 |
} |
| 58 |
|
| 59 |
/** |
| 60 |
* Get a license for a specific product |
| 61 |
*/ |
| 62 |
public function get( string $product_id ): array { |
| 63 |
$licenses = $this->get_all(); |
| 64 |
|
| 65 |
return $licenses[ $product_id ] ?? []; |
| 66 |
} |
| 67 |
|
| 68 |
/** |
| 69 |
* Get all stored licenses |
| 70 |
*/ |
| 71 |
public function get_all(): array { |
| 72 |
return get_option( $this->option_key, [] ); |
| 73 |
} |
| 74 |
|
| 75 |
/** |
| 76 |
* Check if a product is on trial |
| 77 |
*/ |
| 78 |
public function is_trial( string $product_id ): bool { |
| 79 |
$license = $this->get( $product_id ); |
| 80 |
|
| 81 |
return ! empty( $license ) && $license['status'] === 'trial'; |
| 82 |
} |
| 83 |
|
| 84 |
/** |
| 85 |
* Validate all licenses via a single batch call (or use cache), then return |
| 86 |
* the result for the requested product along with ALL updated licenses. |
| 87 |
* |
| 88 |
* Called by the AJAX validate button. One click validates everything. |
| 89 |
* |
| 90 |
* Returns the same array shape as revalidate(), plus: |
| 91 |
* 'all_licenses' => array (full refreshed licenses keyed by product_id) |
| 92 |
* 'cached' => bool |
| 93 |
*/ |
| 94 |
public function validate_with_cache( string $product_id = '' ): array { |
| 95 |
// If a recent batch cache exists, all local data is already up to date |
| 96 |
$cached = get_transient( $this->batch_cache_key ); |
| 97 |
$is_cached = ! empty( $cached ) && ! empty( $cached['time'] ); |
| 98 |
|
| 99 |
if( ! $is_cached ) { |
| 100 |
// No cache — fetch fresh batch and process ALL licenses |
| 101 |
$status = $this->batch_validate_and_cache(); |
| 102 |
|
| 103 |
if( $status === 'server_unavailable' ) { |
| 104 |
return [ |
| 105 |
'valid' => false, |
| 106 |
'reason' => 'server_unavailable', |
| 107 |
'error' => __( 'Could not reach the license server. Your current license status is preserved. Will retry automatically.', 'gvectors' ), |
| 108 |
'status' => '', |
| 109 |
'removed' => false, |
| 110 |
'addon_deleted' => false, |
| 111 |
'all_licenses' => $this->get_all(), |
| 112 |
]; |
| 113 |
} |
| 114 |
} |
| 115 |
|
| 116 |
$all_licenses = $this->get_all(); |
| 117 |
|
| 118 |
// If a specific product was requested, return its individual result |
| 119 |
if( ! empty( $product_id ) ) { |
| 120 |
$license = $this->get( $product_id ); |
| 121 |
$valid = ! empty( $license ) && ! empty( $license['status'] ) && in_array( $license['status'], [ 'active', 'trial' ], true ); |
| 122 |
|
| 123 |
if( $valid && ! empty( $license['expires_at'] ) ) { |
| 124 |
$expires_ts = strtotime( $license['expires_at'] ); |
| 125 |
if( $expires_ts !== false && $expires_ts < time() ) { |
| 126 |
$valid = false; |
| 127 |
} |
| 128 |
} |
| 129 |
|
| 130 |
$reason = ''; |
| 131 |
if( ! $valid && ! empty( $license['status'] ) ) { |
| 132 |
$reason = $license['status']; |
| 133 |
} |
| 134 |
if( empty( $license ) ) { |
| 135 |
$reason = 'missing'; |
| 136 |
} |
| 137 |
|
| 138 |
return [ |
| 139 |
'valid' => $valid, |
| 140 |
'reason' => $reason, |
| 141 |
'error' => '', |
| 142 |
'status' => $license['status'] ?? '', |
| 143 |
'removed' => empty( $license ), |
| 144 |
'addon_deleted' => false, |
| 145 |
'all_licenses' => $all_licenses, |
| 146 |
'cached' => $is_cached, |
| 147 |
]; |
| 148 |
} |
| 149 |
|
| 150 |
// No specific product — return summary for all |
| 151 |
// Consider valid if all licenses are active/trial |
| 152 |
$all_valid = true; |
| 153 |
foreach( $all_licenses as $lic ) { |
| 154 |
if( empty( $lic['status'] ) || ! in_array( $lic['status'], [ 'active', 'trial' ], true ) ) { |
| 155 |
$all_valid = false; |
| 156 |
break; |
| 157 |
} |
| 158 |
if( ! empty( $lic['expires_at'] ) ) { |
| 159 |
$expires_ts = strtotime( $lic['expires_at'] ); |
| 160 |
if( $expires_ts !== false && $expires_ts < time() ) { |
| 161 |
$all_valid = false; |
| 162 |
break; |
| 163 |
} |
| 164 |
} |
| 165 |
} |
| 166 |
|
| 167 |
return [ |
| 168 |
'valid' => $all_valid, |
| 169 |
'reason' => $all_valid ? '' : 'some_invalid', |
| 170 |
'error' => '', |
| 171 |
'status' => '', |
| 172 |
'removed' => false, |
| 173 |
'addon_deleted' => false, |
| 174 |
'all_licenses' => $all_licenses, |
| 175 |
'cached' => $is_cached, |
| 176 |
]; |
| 177 |
} |
| 178 |
|
| 179 |
/** |
| 180 |
* Statuses that indicate a license is permanently invalid and should be removed locally. |
| 181 |
*/ |
| 182 |
|
| 183 |
/** |
| 184 |
* Perform a batch validation for all stored licenses, process each result |
| 185 |
* (update local DB/options), and cache the raw results. |
| 186 |
* |
| 187 |
* Returns 'server_unavailable' on server error, 'ok' on success, 'empty' if no licenses. |
| 188 |
*/ |
| 189 |
public function batch_validate_and_cache(): string { |
| 190 |
$licenses = $this->get_all(); |
| 191 |
if( empty( $licenses ) ) return 'empty'; |
| 192 |
|
| 193 |
$key_to_product = []; // license_key => product_id |
| 194 |
foreach( $licenses as $product_id => $license ) { |
| 195 |
if( ! empty( $license['license_key'] ) ) { |
| 196 |
$key_to_product[ $license['license_key'] ] = $product_id; |
| 197 |
} |
| 198 |
} |
| 199 |
if( empty( $key_to_product ) ) return 'empty'; |
| 200 |
|
| 201 |
$response = $this->apiService->validate_licenses_batch( array_keys( $key_to_product ) ); |
| 202 |
|
| 203 |
$response_code = $response['code'] ?? 0; |
| 204 |
$is_server_error = ( |
| 205 |
$response_code === 'wp_error' |
| 206 |
|| $response_code === 'invalid_response' |
| 207 |
|| ( is_int( $response_code ) && ( $response_code >= 500 || $response_code === 401 || $response_code === 403 || $response_code === 429 ) ) |
| 208 |
); |
| 209 |
if( $is_server_error ) return 'server_unavailable'; |
| 210 |
|
| 211 |
if( empty( $response['success'] ) || empty( $response['data']['licenses'] ) ) return 'empty'; |
| 212 |
|
| 213 |
$batch_results = $response['data']['licenses']; |
| 214 |
|
| 215 |
// Cache the raw batch results |
| 216 |
set_transient( $this->batch_cache_key, [ |
| 217 |
'time' => time(), |
| 218 |
'licenses' => $batch_results, |
| 219 |
], $this->config->get_license_batch_cache_ttl() ); |
| 220 |
|
| 221 |
// Process every license result — update local storage and notices |
| 222 |
foreach( $key_to_product as $license_key => $product_id ) { |
| 223 |
if( ! isset( $batch_results[ $license_key ] ) ) continue; |
| 224 |
|
| 225 |
$result = $batch_results[ $license_key ]; |
| 226 |
$license = $licenses[ $product_id ]; |
| 227 |
$product_id = $this->sync_product_key( $product_id, $result ); |
| 228 |
if( $product_id === '' ) continue; |
| 229 |
|
| 230 |
if( ! empty( $result['success'] ) && ! empty( $result['data'] ) ) { |
| 231 |
$this->save( $product_id, $result['data'] ); |
| 232 |
|
| 233 |
// Clear any expired notice for this license |
| 234 |
$plugin_slug = $result['data']['plugin_slug'] ?? ''; |
| 235 |
if( $plugin_slug ) { |
| 236 |
$expired_notices = get_option( $this->expired_notice_option, [] ); |
| 237 |
if( isset( $expired_notices[ $plugin_slug ] ) ) { |
| 238 |
unset( $expired_notices[ $plugin_slug ] ); |
| 239 |
update_option( $this->expired_notice_option, $expired_notices ); |
| 240 |
} |
| 241 |
} |
| 242 |
} else { |
| 243 |
$this->process_failed_revalidation( $product_id, $license, $result ); |
| 244 |
} |
| 245 |
} |
| 246 |
|
| 247 |
return 'ok'; |
| 248 |
} |
| 249 |
|
| 250 |
/** |
| 251 |
* Store/update a license locally |
| 252 |
*/ |
| 253 |
public function save( string $product_id, array $license_data ): bool { |
| 254 |
$licenses = $this->get_all(); |
| 255 |
|
| 256 |
// Guard: Never overwrite a locally-stored active lifetime license with a subscription license. |
| 257 |
// Only protect lifetime licenses that are still valid (active/trial status). |
| 258 |
$existing = $licenses[ $product_id ] ?? []; |
| 259 |
$existing_status = $existing['status'] ?? ''; |
| 260 |
if( ! empty( $existing ) && empty( $existing['expires_at'] ) && ! empty( $license_data['expires_at'] ) |
| 261 |
&& in_array( $existing_status, [ 'active', 'trial', '' ] ) ) { |
| 262 |
return true; |
| 263 |
} |
| 264 |
|
| 265 |
$license_data['last_validated'] = time(); |
| 266 |
$licenses[ $product_id ] = wp_parse_args( $license_data, [ |
| 267 |
'license_key' => '', |
| 268 |
'product_id' => $product_id, |
| 269 |
'subscription_id' => '', |
| 270 |
'status' => '', |
| 271 |
'expires_at' => '', |
| 272 |
'activated_at' => '', |
| 273 |
'site_domain' => LicenseModule::get_site_domain(), |
| 274 |
'customer_id' => '', |
| 275 |
'plan_name' => '', |
| 276 |
'last_validated' => time(), |
| 277 |
] ); |
| 278 |
|
| 279 |
return update_option( $this->option_key, $licenses ); |
| 280 |
} |
| 281 |
|
| 282 |
/** |
| 283 |
* Process a failed batch revalidation result for a single license. |
| 284 |
*/ |
| 285 |
private function process_failed_revalidation( string $product_id, array $license, array $result ): void { |
| 286 |
$server_status = $result['data']['status'] ?? ''; |
| 287 |
$server_error = $result['error'] ?? ''; |
| 288 |
$server_reason = ''; |
| 289 |
|
| 290 |
if( ! empty( $result['data']['invalid_reason'] ) ) { |
| 291 |
$server_reason = $result['data']['invalid_reason']; |
| 292 |
} |
| 293 |
if( empty( $server_reason ) && preg_match( '/invalid:\\s*(.+)$/i', $server_error, $m ) ) { |
| 294 |
$server_reason = trim( $m[1] ); |
| 295 |
} |
| 296 |
if( empty( $server_reason ) && stripos( $server_error, 'expired' ) !== false ) { |
| 297 |
$server_reason = 'expired'; |
| 298 |
} |
| 299 |
if( empty( $server_reason ) && stripos( $server_error, 'not found' ) !== false ) { |
| 300 |
$server_reason = 'not_found'; |
| 301 |
$server_status = $server_status ?: 'invalid'; |
| 302 |
} |
| 303 |
|
| 304 |
$is_terminal = in_array( $server_reason, self::REFUND_REASONS, true ) |
| 305 |
|| in_array( $server_status, self::TERMINAL_STATUSES, true ) |
| 306 |
|| $server_reason === 'not_found'; |
| 307 |
|
| 308 |
if( $is_terminal && self::is_legacy_license( $license ) ) { |
| 309 |
$this->keep_legacy_license( $product_id, $license ); |
| 310 |
} elseif( $is_terminal ) { |
| 311 |
$plugin_slug = $license['plugin_slug'] ?? ''; |
| 312 |
$this->remove( $product_id ); |
| 313 |
|
| 314 |
if( $plugin_slug ) { |
| 315 |
$this->deactivate_and_delete_addon( $plugin_slug ); |
| 316 |
|
| 317 |
$expired_notices = get_option( $this->expired_notice_option, [] ); |
| 318 |
if( isset( $expired_notices[ $plugin_slug ] ) ) { |
| 319 |
unset( $expired_notices[ $plugin_slug ] ); |
| 320 |
update_option( $this->expired_notice_option, $expired_notices ); |
| 321 |
} |
| 322 |
$tampered = get_option( $this->tampered_option, [] ); |
| 323 |
if( isset( $tampered[ $plugin_slug ] ) ) { |
| 324 |
unset( $tampered[ $plugin_slug ] ); |
| 325 |
update_option( $this->tampered_option, $tampered ); |
| 326 |
} |
| 327 |
} |
| 328 |
} else { |
| 329 |
// Non-terminal: update local license with server data |
| 330 |
$server_data = ( ! empty( $result['data'] ) && is_array( $result['data'] ) ) ? $result['data'] : []; |
| 331 |
$has_license_fields = ! empty( $server_data['license_key'] ) || ! empty( $server_data['status'] ) || ! empty( $server_data['expires_at'] ); |
| 332 |
|
| 333 |
if( $has_license_fields ) { |
| 334 |
$updated = wp_parse_args( $server_data, $license ); |
| 335 |
$updated['last_validated'] = time(); |
| 336 |
$this->save( $product_id, $updated ); |
| 337 |
} else { |
| 338 |
if( $server_status ) { |
| 339 |
$license['status'] = $server_status; |
| 340 |
} elseif( $server_reason === 'expired' ) { |
| 341 |
$license['status'] = 'expired'; |
| 342 |
} |
| 343 |
$license['last_validated'] = time(); |
| 344 |
$this->save( $product_id, $license ); |
| 345 |
} |
| 346 |
|
| 347 |
if( in_array( $server_status, [ 'expired', 'cancelled' ], true ) || $server_reason === 'expired' ) { |
| 348 |
$this->update_expired_notice( $product_id ); |
| 349 |
} |
| 350 |
} |
| 351 |
} |
| 352 |
|
| 353 |
/** |
| 354 |
* A license migrated from the old gVectors store (legacy activation key). |
| 355 |
*/ |
| 356 |
private static function is_legacy_license( array $license ): bool { |
| 357 |
return ( $license['plan_name'] ?? '' ) === 'Legacy License'; |
| 358 |
} |
| 359 |
|
| 360 |
/** |
| 361 |
* A legacy license the server no longer knows or reports invalid: old-store owners keep using their |
| 362 |
* addon for life, so the license is kept as expired (no updates) and the addon is never deactivated or deleted. |
| 363 |
*/ |
| 364 |
private function keep_legacy_license( string $product_id, array $license ): void { |
| 365 |
$license['status'] = 'expired'; |
| 366 |
$license['last_validated'] = time(); |
| 367 |
$this->save( $product_id, $license ); |
| 368 |
$this->update_expired_notice( $product_id ); |
| 369 |
} |
| 370 |
|
| 371 |
/** |
| 372 |
* If the server reports a real Paddle product_id different from the local key |
| 373 |
* (e.g. a migrated legacy license stored under its plugin slug), move the local |
| 374 |
* license to that key so the store UI treats it like any purchased license. |
| 375 |
* Returns the key to continue with, or '' when the entry was dropped because an |
| 376 |
* active license already exists under the server's product_id. |
| 377 |
*/ |
| 378 |
private function sync_product_key( string $product_id, array $result ): string { |
| 379 |
$server_pid = $result['data']['product_id'] ?? ''; |
| 380 |
if( ! is_string( $server_pid ) || strpos( $server_pid, 'pro_' ) !== 0 || $server_pid === $product_id ) return $product_id; |
| 381 |
|
| 382 |
$licenses = $this->get_all(); |
| 383 |
if( ! isset( $licenses[ $product_id ] ) ) return $product_id; |
| 384 |
|
| 385 |
$keep_existing = isset( $licenses[ $server_pid ] ) && $this->is_active( $server_pid ); |
| 386 |
if( ! $keep_existing ) { |
| 387 |
$licenses[ $server_pid ] = $licenses[ $product_id ]; |
| 388 |
$licenses[ $server_pid ]['product_id'] = $server_pid; |
| 389 |
} |
| 390 |
unset( $licenses[ $product_id ] ); |
| 391 |
update_option( $this->option_key, $licenses ); |
| 392 |
|
| 393 |
return $keep_existing ? '' : $server_pid; |
| 394 |
} |
| 395 |
|
| 396 |
/** |
| 397 |
* Remove a license for a product |
| 398 |
*/ |
| 399 |
public function remove( string $product_id ): bool { |
| 400 |
$licenses = $this->get_all(); |
| 401 |
if( isset( $licenses[ $product_id ] ) ) { |
| 402 |
unset( $licenses[ $product_id ] ); |
| 403 |
|
| 404 |
return update_option( $this->option_key, $licenses ); |
| 405 |
} |
| 406 |
|
| 407 |
return true; |
| 408 |
} |
| 409 |
|
| 410 |
/** |
| 411 |
* Deactivate and delete an addon plugin by its slug. |
| 412 |
* Used when a license is refunded to fully remove the addon. |
| 413 |
*/ |
| 414 |
private function deactivate_and_delete_addon( string $plugin_slug ): bool { |
| 415 |
if( empty( $plugin_slug ) ) return false; |
| 416 |
|
| 417 |
if( ! function_exists( 'get_plugins' ) ) { |
| 418 |
require_once ABSPATH . 'wp-admin/includes/plugin.php'; |
| 419 |
} |
| 420 |
if( ! function_exists( 'delete_plugins' ) ) { |
| 421 |
require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 422 |
} |
| 423 |
|
| 424 |
// Find the installed plugin file |
| 425 |
$plugin_file = ''; |
| 426 |
$all_plugins = get_plugins(); |
| 427 |
foreach( $all_plugins as $file => $data ) { |
| 428 |
if( strpos( $file, $plugin_slug . '/' ) === 0 ) { |
| 429 |
$plugin_file = $file; |
| 430 |
break; |
| 431 |
} |
| 432 |
} |
| 433 |
|
| 434 |
if( empty( $plugin_file ) ) return false; |
| 435 |
|
| 436 |
// Deactivate if active |
| 437 |
if( is_plugin_active( $plugin_file ) ) { |
| 438 |
deactivate_plugins( $plugin_file ); |
| 439 |
} |
| 440 |
|
| 441 |
// Delete the plugin files |
| 442 |
$result = delete_plugins( [ $plugin_file ] ); |
| 443 |
|
| 444 |
return ! is_wp_error( $result ); |
| 445 |
} |
| 446 |
|
| 447 |
/** |
| 448 |
* Update the expired license notice for a specific product. |
| 449 |
*/ |
| 450 |
private function update_expired_notice( string $product_id ): void { |
| 451 |
$license = $this->get( $product_id ); |
| 452 |
if( empty( $license ) ) return; |
| 453 |
|
| 454 |
$plugin_slug = $license['plugin_slug'] ?? ''; |
| 455 |
if( empty( $plugin_slug ) ) return; |
| 456 |
// Addon not physically installed — no notice needed |
| 457 |
if( ! is_dir( WP_PLUGIN_DIR . '/' . $plugin_slug ) ) return; |
| 458 |
|
| 459 |
$expired_notices = get_option( $this->expired_notice_option, [] ); |
| 460 |
$expired_notices[ $plugin_slug ] = [ |
| 461 |
'product_name' => $license['product_name'] ?? $plugin_slug, |
| 462 |
'status' => $license['status'] ?? 'expired', |
| 463 |
'expires_at' => $license['expires_at'] ?? '', |
| 464 |
'has_update' => false, |
| 465 |
]; |
| 466 |
update_option( $this->expired_notice_option, $expired_notices ); |
| 467 |
} |
| 468 |
|
| 469 |
/** |
| 470 |
* Revalidate a single license against the proxy server. |
| 471 |
* |
| 472 |
* Returns an associative array with: |
| 473 |
* 'valid' => bool |
| 474 |
* 'reason' => string (failure reason from server, e.g. 'refunded', 'expired') |
| 475 |
* 'error' => string (human-readable error message from server) |
| 476 |
* 'status' => string (license status from server response) |
| 477 |
* 'removed' => bool (whether the license was removed locally) |
| 478 |
* 'addon_deleted' => bool (whether the addon plugin was deactivated and deleted - only on refund) |
| 479 |
*/ |
| 480 |
public function revalidate( string $product_id ): array { |
| 481 |
$license = $this->get( $product_id ); |
| 482 |
if( empty( $license ) || empty( $license['license_key'] ) ) { |
| 483 |
return [ |
| 484 |
'valid' => false, |
| 485 |
'reason' => 'missing', |
| 486 |
'error' => __( 'No license found for this product', 'gvectors' ), |
| 487 |
'status' => '', |
| 488 |
'removed' => false, |
| 489 |
'addon_deleted' => false, |
| 490 |
]; |
| 491 |
} |
| 492 |
|
| 493 |
$response = $this->apiService->validate_license( $license['license_key'] ); |
| 494 |
|
| 495 |
// ── Server/network error — keep current local state, retry later ── |
| 496 |
// Only trust the response if the server actually processed our request. |
| 497 |
// Connection failures, HTTP errors (401, 403, 500), and invalid responses |
| 498 |
// should NOT alter the local license status. |
| 499 |
$response_code = $response['code'] ?? 0; |
| 500 |
$is_server_error = ( |
| 501 |
$response_code === 'wp_error' // Connection failure, timeout, DNS error |
| 502 |
|| $response_code === 'invalid_response' // Server returned non-JSON |
| 503 |
|| ( is_int( $response_code ) && ( $response_code >= 500 || $response_code === 401 || $response_code === 403 || $response_code === 429 ) ) |
| 504 |
); |
| 505 |
|
| 506 |
if( $is_server_error ) { |
| 507 |
// Don't update last_validated — will retry on next cron run |
| 508 |
return [ |
| 509 |
'valid' => ! empty( $license['status'] ) && in_array( $license['status'], [ 'active', 'trial' ], true ), |
| 510 |
'reason' => 'server_unavailable', |
| 511 |
'error' => $response['error'] ?? 'Server unavailable', |
| 512 |
'status' => $license['status'] ?? '', |
| 513 |
'removed' => false, |
| 514 |
'addon_deleted' => false, |
| 515 |
]; |
| 516 |
} |
| 517 |
|
| 518 |
$product_id = $this->sync_product_key( $product_id, $response ); |
| 519 |
if( $product_id === '' ) { |
| 520 |
return [ 'valid' => false, 'reason' => 'duplicate', 'error' => '', 'status' => '', 'removed' => true, 'addon_deleted' => false ]; |
| 521 |
} |
| 522 |
|
| 523 |
// License is valid on the server |
| 524 |
if( ! empty( $response['success'] ) && ! empty( $response['data'] ) ) { |
| 525 |
$this->save( $product_id, $response['data'] ); |
| 526 |
|
| 527 |
return [ |
| 528 |
'valid' => true, |
| 529 |
'reason' => '', |
| 530 |
'error' => '', |
| 531 |
'status' => $response['data']['status'] ?? 'active', |
| 532 |
'removed' => false, |
| 533 |
'addon_deleted' => false, |
| 534 |
]; |
| 535 |
} |
| 536 |
|
| 537 |
// License validation failed - extract details from server response |
| 538 |
$server_status = $response['data']['status'] ?? ''; |
| 539 |
$server_error = $response['error'] ?? ''; |
| 540 |
$server_reason = ''; |
| 541 |
|
| 542 |
// Extract invalid_reason from response data if available |
| 543 |
if( ! empty( $response['data']['invalid_reason'] ) ) { |
| 544 |
$server_reason = $response['data']['invalid_reason']; |
| 545 |
} |
| 546 |
// Parse reason from the error message (e.g. "License is invalid: refunded") |
| 547 |
if( empty( $server_reason ) && preg_match( '/invalid:\s*(.+)$/i', $server_error, $m ) ) { |
| 548 |
$server_reason = trim( $m[1] ); |
| 549 |
} |
| 550 |
// If the error indicates expiration, set reason accordingly |
| 551 |
if( empty( $server_reason ) && stripos( $server_error, 'expired' ) !== false ) { |
| 552 |
$server_reason = 'expired'; |
| 553 |
} |
| 554 |
// If the license key was not found on server |
| 555 |
if( empty( $server_reason ) && stripos( $server_error, 'not found' ) !== false ) { |
| 556 |
$server_reason = 'not_found'; |
| 557 |
$server_status = $server_status ?: 'invalid'; |
| 558 |
} |
| 559 |
|
| 560 |
// Determine if this is a terminal state: license removed + addon deactivated + deleted |
| 561 |
// Terminal = refunded, not found on server, or invalid status |
| 562 |
$is_terminal = in_array( $server_reason, self::REFUND_REASONS, true ) |
| 563 |
|| in_array( $server_status, self::TERMINAL_STATUSES, true ) |
| 564 |
|| $server_reason === 'not_found'; |
| 565 |
|
| 566 |
if( $is_terminal && self::is_legacy_license( $license ) ) { |
| 567 |
$this->keep_legacy_license( $product_id, $license ); |
| 568 |
|
| 569 |
return [ |
| 570 |
'valid' => false, |
| 571 |
'reason' => $server_reason ?: $server_status, |
| 572 |
'error' => $server_error, |
| 573 |
'status' => 'expired', |
| 574 |
'removed' => false, |
| 575 |
'addon_deleted' => false, |
| 576 |
]; |
| 577 |
} |
| 578 |
|
| 579 |
$removed = false; |
| 580 |
$addon_deleted = false; |
| 581 |
|
| 582 |
if( $is_terminal ) { |
| 583 |
// Terminal: remove license, deactivate and delete the addon plugin |
| 584 |
$plugin_slug = $license['plugin_slug'] ?? ''; |
| 585 |
$this->remove( $product_id ); |
| 586 |
$removed = true; |
| 587 |
|
| 588 |
// Deactivate and delete the addon if installed |
| 589 |
if( $plugin_slug ) { |
| 590 |
$addon_deleted = $this->deactivate_and_delete_addon( $plugin_slug ); |
| 591 |
|
| 592 |
// Clean-up-related notices |
| 593 |
$expired_notices = get_option( $this->expired_notice_option, [] ); |
| 594 |
if( isset( $expired_notices[ $plugin_slug ] ) ) { |
| 595 |
unset( $expired_notices[ $plugin_slug ] ); |
| 596 |
update_option( $this->expired_notice_option, $expired_notices ); |
| 597 |
} |
| 598 |
$tampered = get_option( $this->tampered_option, [] ); |
| 599 |
if( isset( $tampered[ $plugin_slug ] ) ) { |
| 600 |
unset( $tampered[ $plugin_slug ] ); |
| 601 |
update_option( $this->tampered_option, $tampered ); |
| 602 |
} |
| 603 |
} |
| 604 |
} else { |
| 605 |
// Non-terminal failure (expired, cancelled, past_due, paused, etc.) |
| 606 |
// Overwrite local license with authoritative server data to purge stale values. |
| 607 |
$server_data = ( ! empty( $response['data'] ) && is_array( $response['data'] ) ) ? $response['data'] : []; |
| 608 |
|
| 609 |
// Only treat server data as license fields if it has actual license keys |
| 610 |
// (not just a raw error envelope like {success:false, error:'...'}) |
| 611 |
$has_license_fields = ! empty( $server_data['license_key'] ) || ! empty( $server_data['status'] ) || ! empty( $server_data['expires_at'] ); |
| 612 |
|
| 613 |
if( $has_license_fields ) { |
| 614 |
// Server returned full license data — use it as the source of truth |
| 615 |
$updated = wp_parse_args( $server_data, $license ); |
| 616 |
$updated['last_validated'] = time(); |
| 617 |
$this->save( $product_id, $updated ); |
| 618 |
} else { |
| 619 |
// Server didn't return license fields — force-update status from error context |
| 620 |
if( $server_status ) { |
| 621 |
$license['status'] = $server_status; |
| 622 |
} elseif( $server_reason === 'expired' ) { |
| 623 |
$license['status'] = 'expired'; |
| 624 |
} |
| 625 |
$license['last_validated'] = time(); |
| 626 |
$this->save( $product_id, $license ); |
| 627 |
} |
| 628 |
|
| 629 |
// Trigger expired notice update for this license |
| 630 |
if( in_array( $server_status, [ 'expired', 'cancelled' ], true ) || $server_reason === 'expired' ) { |
| 631 |
$this->update_expired_notice( $product_id ); |
| 632 |
} |
| 633 |
} |
| 634 |
|
| 635 |
return [ |
| 636 |
'valid' => false, |
| 637 |
'reason' => $server_reason ?: $server_status, |
| 638 |
'error' => $server_error, |
| 639 |
'status' => $server_status, |
| 640 |
'removed' => $removed, |
| 641 |
'addon_deleted' => $addon_deleted, |
| 642 |
]; |
| 643 |
} |
| 644 |
|
| 645 |
/** |
| 646 |
* Revalidate all stored licenses (called by cron). |
| 647 |
* Uses batch validation to check all licenses in a single API call. |
| 648 |
*/ |
| 649 |
public function maybe_revalidate_all(): void { |
| 650 |
$licenses = $this->get_all(); |
| 651 |
if( empty( $licenses ) ) return; |
| 652 |
|
| 653 |
// Collect license keys that need revalidation |
| 654 |
$keys_to_validate = []; // license_key => product_id |
| 655 |
foreach( $licenses as $product_id => $license ) { |
| 656 |
if( $this->needs_revalidation( $product_id ) && ! empty( $license['license_key'] ) ) { |
| 657 |
$keys_to_validate[ $license['license_key'] ] = $product_id; |
| 658 |
} |
| 659 |
} |
| 660 |
|
| 661 |
if( empty( $keys_to_validate ) ) return; |
| 662 |
|
| 663 |
$response = $this->apiService->validate_licenses_batch( array_keys( $keys_to_validate ) ); |
| 664 |
|
| 665 |
// Server/network error — don't touch local state, retry on next cron |
| 666 |
$response_code = $response['code'] ?? 0; |
| 667 |
$is_server_error = ( |
| 668 |
$response_code === 'wp_error' |
| 669 |
|| $response_code === 'invalid_response' |
| 670 |
|| ( is_int( $response_code ) && ( $response_code >= 500 || $response_code === 401 || $response_code === 403 || $response_code === 429 ) ) |
| 671 |
); |
| 672 |
if( $is_server_error ) return; |
| 673 |
|
| 674 |
if( empty( $response['success'] ) || empty( $response['data']['licenses'] ) ) return; |
| 675 |
|
| 676 |
$batch_results = $response['data']['licenses']; |
| 677 |
|
| 678 |
// Cache the raw batch results so individual Validate clicks can reuse them |
| 679 |
set_transient( $this->batch_cache_key, [ |
| 680 |
'time' => time(), |
| 681 |
'licenses' => $batch_results, |
| 682 |
], $this->config->get_license_batch_cache_ttl() ); |
| 683 |
|
| 684 |
foreach( $keys_to_validate as $license_key => $product_id ) { |
| 685 |
if( ! isset( $batch_results[ $license_key ] ) ) continue; |
| 686 |
|
| 687 |
$result = $batch_results[ $license_key ]; |
| 688 |
$license = $licenses[ $product_id ]; |
| 689 |
$product_id = $this->sync_product_key( $product_id, $result ); |
| 690 |
if( $product_id === '' ) continue; |
| 691 |
|
| 692 |
if( ! empty( $result['success'] ) && ! empty( $result['data'] ) ) { |
| 693 |
// License is valid — update local data |
| 694 |
$this->save( $product_id, $result['data'] ); |
| 695 |
} else { |
| 696 |
// License validation failed — process like single "revalidate" |
| 697 |
$this->process_failed_revalidation( $product_id, $license, $result ); |
| 698 |
} |
| 699 |
} |
| 700 |
} |
| 701 |
|
| 702 |
/** |
| 703 |
* Check if the license needs revalidation |
| 704 |
*/ |
| 705 |
public function needs_revalidation( string $product_id ): bool { |
| 706 |
$license = $this->get( $product_id ); |
| 707 |
if( empty( $license ) ) return false; |
| 708 |
$last = isset( $license['last_validated'] ) ? (int) $license['last_validated'] : 0; |
| 709 |
|
| 710 |
return ( time() - $last ) > $this->config->get_license_revalidation_period(); |
| 711 |
} |
| 712 |
|
| 713 |
/** |
| 714 |
* Unified activation: proxy detects key type (gvl_*, txn_*, legacy, or empty=by-domain). |
| 715 |
* Saves whatever license(s) the proxy returns into the local gvectors_licenses option. |
| 716 |
*/ |
| 717 |
public function activate_unified( string $key, string $product_id = '' ): array { |
| 718 |
$response = $this->apiService->activate_unified( $key, $product_id ); |
| 719 |
|
| 720 |
if( ! empty( $response['success'] ) ) { |
| 721 |
// Transaction / by-domain response: data.activated[] array |
| 722 |
if( ! empty( $response['data']['activated'] ) ) { |
| 723 |
foreach( $response['data']['activated'] as $license_data ) { |
| 724 |
$pid = ! empty( $license_data['product_id'] ) ? $license_data['product_id'] : ''; |
| 725 |
if( $pid ) { |
| 726 |
$this->save( $pid, $license_data ); |
| 727 |
} |
| 728 |
} |
| 729 |
} // Single license response (gvl_* or legacy key): data.license_key present |
| 730 |
elseif( ! empty( $response['data']['license_key'] ) ) { |
| 731 |
$pid = ! empty( $response['data']['product_id'] ) ? $response['data']['product_id'] : $product_id; |
| 732 |
if( $pid ) { |
| 733 |
$this->save( $pid, $response['data'] ); |
| 734 |
} |
| 735 |
} |
| 736 |
} |
| 737 |
|
| 738 |
return $response; |
| 739 |
} |
| 740 |
|
| 741 |
/** |
| 742 |
* Activate a license key |
| 743 |
*/ |
| 744 |
public function activate( string $license_key, string $product_id = '' ): array { |
| 745 |
$response = $this->apiService->activate_license( $license_key, $product_id ); |
| 746 |
|
| 747 |
if( ! empty( $response['success'] ) && ! empty( $response['data'] ) ) { |
| 748 |
$pid = ! empty( $response['data']['product_id'] ) ? $response['data']['product_id'] : $product_id; |
| 749 |
if( $pid ) { |
| 750 |
$this->save( $pid, $response['data'] ); |
| 751 |
} |
| 752 |
} |
| 753 |
|
| 754 |
return $response; |
| 755 |
} |
| 756 |
|
| 757 |
/** |
| 758 |
* Activate licenses by transaction ID |
| 759 |
*/ |
| 760 |
public function activate_by_transaction( string $transaction_id, string $product_id = '' ): array { |
| 761 |
$response = $this->apiService->activate_license_by_transaction( $transaction_id, $product_id ); |
| 762 |
|
| 763 |
if( ! empty( $response['success'] ) && ! empty( $response['data']['activated'] ) ) { |
| 764 |
foreach( $response['data']['activated'] as $license_data ) { |
| 765 |
$pid = ! empty( $license_data['product_id'] ) ? $license_data['product_id'] : ''; |
| 766 |
if( $pid ) { |
| 767 |
$this->save( $pid, $license_data ); |
| 768 |
} |
| 769 |
} |
| 770 |
} |
| 771 |
|
| 772 |
return $response; |
| 773 |
} |
| 774 |
|
| 775 |
/** |
| 776 |
* Activate all licenses registered for this site's domain |
| 777 |
*/ |
| 778 |
public function activate_by_domain(): array { |
| 779 |
$response = $this->apiService->activate_licenses_by_domain(); |
| 780 |
|
| 781 |
if( ! empty( $response['success'] ) && ! empty( $response['data']['activated'] ) ) { |
| 782 |
foreach( $response['data']['activated'] as $license_data ) { |
| 783 |
$pid = ! empty( $license_data['product_id'] ) ? $license_data['product_id'] : ''; |
| 784 |
if( $pid ) { |
| 785 |
$this->save( $pid, $license_data ); |
| 786 |
} |
| 787 |
} |
| 788 |
} |
| 789 |
|
| 790 |
return $response; |
| 791 |
} |
| 792 |
|
| 793 |
/** |
| 794 |
* Deactivate a license key |
| 795 |
*/ |
| 796 |
public function deactivate( string $product_id ): array { |
| 797 |
$license = $this->get( $product_id ); |
| 798 |
if( empty( $license ) || empty( $license['license_key'] ) ) { |
| 799 |
return [ 'success' => false, 'error' => 'No license found for this product' ]; |
| 800 |
} |
| 801 |
|
| 802 |
$response = $this->apiService->deactivate_license( $license['license_key'] ); |
| 803 |
|
| 804 |
if( ! empty( $response['success'] ) ) { |
| 805 |
$this->remove( $product_id ); |
| 806 |
} |
| 807 |
|
| 808 |
return $response; |
| 809 |
} |
| 810 |
|
| 811 |
/** |
| 812 |
* Get a license status label |
| 813 |
*/ |
| 814 |
public function get_status_label( string $product_id ): string { |
| 815 |
$license = $this->get( $product_id ); |
| 816 |
if( empty( $license ) ) return __( 'Not Licensed', 'gvectors' ); |
| 817 |
|
| 818 |
$labels = [ |
| 819 |
'active' => __( 'Active', 'gvectors' ), |
| 820 |
'trial' => __( 'Trial', 'gvectors' ), |
| 821 |
'expired' => __( 'Expired', 'gvectors' ), |
| 822 |
'cancelled' => __( 'Cancelled', 'gvectors' ), |
| 823 |
'past_due' => __( 'Past Due', 'gvectors' ), |
| 824 |
'paused' => __( 'Paused', 'gvectors' ), |
| 825 |
]; |
| 826 |
|
| 827 |
$status = $license['status'] ?? ''; |
| 828 |
|
| 829 |
return $labels[ $status ] ?? __( 'Unknown', 'gvectors' ); |
| 830 |
} |
| 831 |
} |
| 832 |
|
