Ajax
2 years ago
BackgroundProcessing
2 years ago
Dto
2 years ago
Entity
2 years ago
Exceptions
2 years ago
Job
2 years ago
Request
2 years ago
Service
2 years ago
Storage
2 years ago
Task
2 years ago
AfterRestore.php
3 years ago
BackupDeleter.php
3 years ago
BackupDownload.php
2 years ago
BackupFileIndex.php
2 years ago
BackupProcessLock.php
2 years ago
BackupRepairer.php
3 years ago
BackupRetentionHandler.php
2 years ago
BackupScheduler.php
2 years ago
BackupServiceProvider.php
2 years ago
BackupValidator.php
2 years ago
WithBackupIdentifier.php
2 years ago
wpstgBackupHeader.txt
3 years ago
BackupScheduler.php
716 lines
| 1 | <?php |
| 2 | |
| 3 | namespace WPStaging\Backup; |
| 4 | |
| 5 | use DateTime; |
| 6 | use WPStaging\Core\WPStaging; |
| 7 | use WPStaging\Framework\Facades\Sanitize; |
| 8 | use WPStaging\Framework\Security\Capabilities; |
| 9 | use WPStaging\Framework\Security\Nonce; |
| 10 | use WPStaging\Backup\BackgroundProcessing\Backup\PrepareBackup; |
| 11 | use WPStaging\Backup\Dto\Job\JobBackupDataDto; |
| 12 | use WPStaging\Backup\Service\BackupsFinder; |
| 13 | use WPStaging\Framework\Facades\Escape; |
| 14 | use WPStaging\Framework\Utils\ServerVars; |
| 15 | |
| 16 | use function WPStaging\functions\debug_log; |
| 17 | |
| 18 | class BackupScheduler |
| 19 | { |
| 20 | /** @var string */ |
| 21 | const OPTION_BACKUP_SCHEDULE_ERROR_REPORT = 'wpstg_backup_schedules_send_error_report'; |
| 22 | |
| 23 | /** @var string */ |
| 24 | const OPTION_BACKUP_SCHEDULE_REPORT_EMAIL = 'wpstg_backup_schedules_report_email'; |
| 25 | |
| 26 | /** @var string */ |
| 27 | const TRANSIENT_BACKUP_SCHEDULE_REPORT_SENT = 'wpstg.backup.schedules.report_sent'; |
| 28 | |
| 29 | /** @var string */ |
| 30 | const OPTION_BACKUP_SCHEDULES = 'wpstg_backup_schedules'; |
| 31 | |
| 32 | /** @var BackupsFinder */ |
| 33 | protected $backupsFinder; |
| 34 | |
| 35 | /** @var BackupProcessLock */ |
| 36 | protected $processLock; |
| 37 | |
| 38 | /** @var BackupDeleter */ |
| 39 | protected $backupDeleter; |
| 40 | |
| 41 | /** |
| 42 | * Store cron related message |
| 43 | * @var string |
| 44 | */ |
| 45 | protected $cronMessage; |
| 46 | |
| 47 | /** @var int */ |
| 48 | protected $numberOverdueCronjobs = 0; |
| 49 | |
| 50 | /** |
| 51 | * @param BackupsFinder $backupsFinder |
| 52 | * @param BackupProcessLock $processLock |
| 53 | * @param BackupDeleter $backupDeleter |
| 54 | */ |
| 55 | public function __construct(BackupsFinder $backupsFinder, BackupProcessLock $processLock, BackupDeleter $backupDeleter) |
| 56 | { |
| 57 | $this->backupsFinder = $backupsFinder; |
| 58 | $this->processLock = $processLock; |
| 59 | $this->backupDeleter = $backupDeleter; |
| 60 | $this->countOverdueCronjobs(); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * @return array |
| 65 | */ |
| 66 | public function getSchedules(): array |
| 67 | { |
| 68 | $schedules = get_option(static::OPTION_BACKUP_SCHEDULES, []); |
| 69 | if (is_array($schedules)) { |
| 70 | return $schedules; |
| 71 | } |
| 72 | |
| 73 | return []; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * @param JobBackupDataDto $jobBackupDataDto |
| 78 | * @return void |
| 79 | */ |
| 80 | public function maybeDeleteOldBackups(JobBackupDataDto $jobBackupDataDto) |
| 81 | { |
| 82 | $scheduleId = $jobBackupDataDto->getScheduleId(); |
| 83 | |
| 84 | // Not a scheduled backup, nothing to do. |
| 85 | if (empty($scheduleId)) { |
| 86 | return; |
| 87 | } |
| 88 | |
| 89 | $schedules = get_option(static::OPTION_BACKUP_SCHEDULES, []); |
| 90 | |
| 91 | $schedule = array_filter($schedules, function ($schedule) use ($scheduleId) { |
| 92 | return $schedule['scheduleId'] == $scheduleId; |
| 93 | }); |
| 94 | |
| 95 | if (empty($schedule)) { |
| 96 | debug_log("Could not delete old backups for schedule ID $scheduleId as the schedule rotation plan was not found in the database."); |
| 97 | return; |
| 98 | } |
| 99 | |
| 100 | $schedule = array_shift($schedule); |
| 101 | |
| 102 | $maxAllowedBackupFiles = absint($schedule['rotation']); |
| 103 | |
| 104 | $backupFiles = $this->backupsFinder->findBackupByScheduleId($scheduleId); |
| 105 | |
| 106 | // Early bail: Not enough backups to trigger the rotation |
| 107 | if (count($backupFiles) < $maxAllowedBackupFiles) { |
| 108 | return; |
| 109 | } |
| 110 | |
| 111 | // Sort backups, older first |
| 112 | uasort($backupFiles, function ($backup1, $backup2) { |
| 113 | /** |
| 114 | * @var \SplFileInfo $backup1 |
| 115 | * @var \SplFileInfo $backup2 |
| 116 | */ |
| 117 | if ($backup1->getMTime() === $backup2->getMTime()) { |
| 118 | return 0; |
| 119 | } |
| 120 | |
| 121 | return $backup1->getMTime() < $backup2->getMTime() ? -1 : 1; |
| 122 | }); |
| 123 | |
| 124 | // Make sure array indexes are correctly ordered. |
| 125 | $backupFiles = array_values($backupFiles); |
| 126 | |
| 127 | // Get exceeding backups, including an extra one for the backup that will be created right now. |
| 128 | $backupFiles = array_slice($backupFiles, 0, max(1, count($backupFiles) - $maxAllowedBackupFiles + 1)); |
| 129 | |
| 130 | array_map(function ($file) { |
| 131 | $this->backupDeleter->clearErrors(); |
| 132 | $this->backupDeleter->deleteBackup($file); |
| 133 | $errors = $this->backupDeleter->getErrors(); |
| 134 | foreach ($errors as $error) { |
| 135 | debug_log('Tried to cleanup old backups for backup plan rotation, but couldn\'t delete file: ' . $error); |
| 136 | } |
| 137 | }, $backupFiles); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * @param JobBackupDataDto $jobBackupDataDto |
| 142 | * @param string $scheduleId |
| 143 | * @return void |
| 144 | * @throws \Exception |
| 145 | */ |
| 146 | public function scheduleBackup(JobBackupDataDto $jobBackupDataDto, string $scheduleId) |
| 147 | { |
| 148 | if (!isset(wp_get_schedules()[$jobBackupDataDto->getScheduleRecurrence()])) { |
| 149 | debug_log("Tried to schedule a backup, but schedule '" . $jobBackupDataDto->getScheduleRecurrence() . "' is not registered as a WordPress cron schedule. Data DTO: " . wp_json_encode($jobBackupDataDto)); |
| 150 | |
| 151 | return; |
| 152 | } |
| 153 | |
| 154 | $firstSchedule = new \DateTime('now', wp_timezone()); |
| 155 | $time = $jobBackupDataDto->getScheduleTime(); |
| 156 | $this->setUpcomingDateTime($firstSchedule, $time); |
| 157 | |
| 158 | $backupSchedule = [ |
| 159 | 'scheduleId' => $scheduleId, |
| 160 | 'schedule' => $jobBackupDataDto->getScheduleRecurrence(), |
| 161 | 'backupType' => $jobBackupDataDto->getBackupType(), |
| 162 | 'subsiteBlogId' => $jobBackupDataDto->getSubsiteBlogId(), // required for network subsite backup type |
| 163 | 'time' => $time, |
| 164 | 'name' => $jobBackupDataDto->getName(), |
| 165 | 'rotation' => $jobBackupDataDto->getScheduleRotation(), |
| 166 | 'isExportingPlugins' => $jobBackupDataDto->getIsExportingPlugins(), |
| 167 | 'isExportingMuPlugins' => $jobBackupDataDto->getIsExportingMuPlugins(), |
| 168 | 'isExportingThemes' => $jobBackupDataDto->getIsExportingThemes(), |
| 169 | 'isExportingUploads' => $jobBackupDataDto->getIsExportingUploads(), |
| 170 | 'isExportingOtherWpContentFiles' => $jobBackupDataDto->getIsExportingOtherWpContentFiles(), |
| 171 | 'isExportingDatabase' => $jobBackupDataDto->getIsExportingDatabase(), |
| 172 | 'sitesToBackup' => $jobBackupDataDto->getSitesToBackup(), |
| 173 | 'storages' => $jobBackupDataDto->getStorages(), |
| 174 | 'firstSchedule' => $firstSchedule->getTimestamp(), |
| 175 | 'isSmartExclusion' => $jobBackupDataDto->getIsSmartExclusion(), |
| 176 | 'isExcludingSpamComments' => $jobBackupDataDto->getIsExcludingSpamComments(), |
| 177 | 'isExcludingPostRevision' => $jobBackupDataDto->getIsExcludingPostRevision(), |
| 178 | 'isExcludingDeactivatedPlugins' => $jobBackupDataDto->getIsExcludingDeactivatedPlugins(), |
| 179 | 'isExcludingUnusedThemes' => $jobBackupDataDto->getIsExcludingUnusedThemes(), |
| 180 | 'isExcludingLogs' => $jobBackupDataDto->getIsExcludingLogs(), |
| 181 | 'isExcludingCaches' => $jobBackupDataDto->getIsExcludingCaches(), |
| 182 | 'isWpCliRequest' => true, // should be true otherwise multisite backup will not work |
| 183 | ]; |
| 184 | |
| 185 | if (wp_next_scheduled('wpstg_create_cron_backup', [$backupSchedule])) { |
| 186 | debug_log('[Schedule Backup Cron] Early bailed when registering the cron to create a backup on a schedule, because it already exists'); |
| 187 | |
| 188 | return; |
| 189 | } |
| 190 | |
| 191 | $this->registerScheduleInDb($backupSchedule); |
| 192 | $this->reCreateCron(); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Registers a schedule in the Db. |
| 197 | * @param array $backupSchedule |
| 198 | * @return bool false on error or if nothing would be updated |
| 199 | */ |
| 200 | protected function registerScheduleInDb(array $backupSchedule): bool |
| 201 | { |
| 202 | $backupSchedules = get_option(static::OPTION_BACKUP_SCHEDULES, []); |
| 203 | if (!is_array($backupSchedules)) { |
| 204 | $backupSchedules = []; |
| 205 | } |
| 206 | |
| 207 | $backupSchedules[] = $backupSchedule; |
| 208 | |
| 209 | if (!update_option(static::OPTION_BACKUP_SCHEDULES, $backupSchedules, false)) { |
| 210 | debug_log('[Schedule Backup Cron] Could not update BackupSchedules DB option'); |
| 211 | return false; |
| 212 | } |
| 213 | |
| 214 | return true; |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * AJAX callback that processes the backup schedule. |
| 219 | * |
| 220 | * @param array $backupData |
| 221 | * @return void |
| 222 | */ |
| 223 | public function createCronBackup(array $backupData) |
| 224 | { |
| 225 | // Cron is hell to debug, so let's log everything that happens. |
| 226 | $logId = wp_generate_password(4, false); |
| 227 | |
| 228 | debug_log("[Schedule Backup Cron - $logId] Received request to create a backup using Cron. Backup Data: " . wp_json_encode($backupData), 'info', false); |
| 229 | debug_log(sprintf("[Schedule Backup Cron - %s] Received request to create a backup using Cron. Backup Data: %s", $logId, wp_json_encode($backupData)), 'info', false); |
| 230 | |
| 231 | try { |
| 232 | debug_log(sprintf("[Schedule Backup Cron - %s] Preparing job", $logId), 'info', false); |
| 233 | $jobId = WPStaging::make(PrepareBackup::class)->prepare($backupData); |
| 234 | if ($jobId instanceof \WP_Error) { |
| 235 | debug_log(sprintf("[Schedule Backup Cron - %s] Failed to create backup: %s", $logId, $jobId->get_error_message())); |
| 236 | return; |
| 237 | } |
| 238 | |
| 239 | debug_log(sprintf("[Schedule Backup Cron - %s] Successfully received a Job ID: %s", $logId, $jobId), 'info', false); |
| 240 | } catch (\Exception $e) { |
| 241 | debug_log("[Schedule Backup Cron - $logId] Exception thrown while preparing the Backup: " . $e->getMessage()); |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Ajax callback to dismiss a schedule. |
| 247 | * @return void |
| 248 | */ |
| 249 | public function dismissSchedule() |
| 250 | { |
| 251 | if (!current_user_can((new Capabilities())->manageWPSTG())) { |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | if (!(new Nonce())->requestHasValidNonce(Nonce::WPSTG_NONCE)) { |
| 256 | return; |
| 257 | } |
| 258 | |
| 259 | if (empty($_POST['scheduleId'])) { |
| 260 | return; |
| 261 | } |
| 262 | |
| 263 | try { |
| 264 | $this->deleteSchedule(Sanitize::sanitizeString($_POST['scheduleId'])); |
| 265 | wp_send_json_success(); |
| 266 | } catch (\Exception $e) { |
| 267 | wp_send_json_error($e->getMessage()); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * Deletes a backup schedule. |
| 273 | * |
| 274 | * @param string $scheduleId The schedule ID to delete. |
| 275 | * @return void |
| 276 | */ |
| 277 | public function deleteSchedule(string $scheduleId, $reCreateCron = true) |
| 278 | { |
| 279 | $schedules = $this->getSchedules(); |
| 280 | |
| 281 | $newSchedules = array_filter($schedules, function ($schedule) use ($scheduleId) { |
| 282 | return $schedule['scheduleId'] != $scheduleId; |
| 283 | }); |
| 284 | |
| 285 | if (!update_option(static::OPTION_BACKUP_SCHEDULES, $newSchedules, false)) { |
| 286 | debug_log('[Schedule Backup Cron] Could not update BackupSchedules DB option after removing schedule.'); |
| 287 | throw new \RuntimeException('Could not unschedule event from Db.'); |
| 288 | } |
| 289 | |
| 290 | if ($reCreateCron === false) { |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | $this->reCreateCron(); |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * @param string|null $scheduleBeingEdit The schedule ID being edited. If this is set, it will be ignored when re-creating the Cron events. |
| 299 | * @return bool |
| 300 | * @throws \Exception |
| 301 | * @see OPTION_BACKUP_SCHEDULES The Db option that is the source of truth for Cron events. |
| 302 | * The backup schedule cron events are deleted and re-created |
| 303 | * based on what is in this db option. |
| 304 | * |
| 305 | * This way, we only care about preserving this option on Backup |
| 306 | * Restore or Push, and we don't have to worry about re-scheduling |
| 307 | * the Cron events or removing leftover schedules. |
| 308 | * |
| 309 | */ |
| 310 | public function reCreateCron($scheduleBeingEdit = null): bool |
| 311 | { |
| 312 | $schedules = $this->getSchedules(); |
| 313 | static::removeBackupSchedulesFromCron(); |
| 314 | |
| 315 | $errors = []; |
| 316 | |
| 317 | foreach ($schedules as $schedule) { |
| 318 | $timeToSchedule = new \DateTime('now', wp_timezone()); |
| 319 | |
| 320 | /** |
| 321 | * New mechanism for recroning old jobs |
| 322 | */ |
| 323 | if (isset(wp_get_schedules()[$schedule['schedule']]) && isset($schedule['firstSchedule']) && ($schedule['scheduleId'] !== $scheduleBeingEdit)) { |
| 324 | $this->setNextSchedulingDate($timeToSchedule, $schedule); |
| 325 | } else { |
| 326 | $this->setUpcomingDateTime($timeToSchedule, $schedule['time']); |
| 327 | } |
| 328 | |
| 329 | /** @see BackupServiceProvider::enqueueAjaxListeners */ |
| 330 | $result = wp_schedule_event($timeToSchedule->format('U'), $schedule['schedule'], 'wpstg_create_cron_backup', [$schedule]); |
| 331 | |
| 332 | // Could not register Cron event. |
| 333 | // Log errors but keep trying for the other cron events or all of them will be lost |
| 334 | if ($result === false || $result instanceof \WP_Error) { |
| 335 | if ($result instanceof \WP_Error) { |
| 336 | $details = $result->get_error_message(); |
| 337 | } else { |
| 338 | $details = ''; |
| 339 | } |
| 340 | |
| 341 | $error = '[Schedule Backup Cron] Failed to register the cron event wpstg_create_cron_backup. ' . $schedule['schedule'] . ' ' . $details; |
| 342 | |
| 343 | $errors[] = $error; |
| 344 | |
| 345 | debug_log($error); |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | if (!empty($errors)) { |
| 350 | return false; |
| 351 | } |
| 352 | |
| 353 | return true; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Removes all backup schedule events from WordPress Cron array. |
| 358 | * |
| 359 | * This is static so that it can be called from WP STAGING deactivation hook |
| 360 | * without having to bootstrap the entire plugin. |
| 361 | * |
| 362 | * This is a low-level function that can run when WP STAGING has not been |
| 363 | * bootstrapped, so there's no autoload nor Container available. |
| 364 | */ |
| 365 | public static function removeBackupSchedulesFromCron(): bool |
| 366 | { |
| 367 | $cron = get_option('cron'); |
| 368 | |
| 369 | // Bail: Unexpected value - should never happen. |
| 370 | if (!is_array($cron)) { |
| 371 | return false; |
| 372 | } |
| 373 | |
| 374 | // Remove any backup schedules from Cron |
| 375 | foreach ($cron as $timestamp => &$events) { |
| 376 | if (is_array($events)) { |
| 377 | foreach ($events as $callback => &$args) { |
| 378 | if ($callback === 'wpstg_create_cron_backup') { |
| 379 | unset($cron[$timestamp][$callback]); |
| 380 | } |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | // After removing the backup schedule events, |
| 386 | // we might have timestamps with no events. |
| 387 | // So we remove any leftover timestamps that don't have any events. |
| 388 | $cron = array_filter($cron, function ($timestamps) { |
| 389 | return !empty($timestamps); |
| 390 | }); |
| 391 | |
| 392 | update_option('cron', $cron); |
| 393 | |
| 394 | return true; |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * Check cron status whether it is working or not |
| 399 | * Logic is adopted from WP Crontrol plugin |
| 400 | * |
| 401 | * @return bool |
| 402 | */ |
| 403 | public function checkCronStatus(): bool |
| 404 | { |
| 405 | global $wp_version; |
| 406 | |
| 407 | $this->cronMessage = ''; |
| 408 | |
| 409 | if ($this->isCronjobsOverdue()) { |
| 410 | if (WPStaging::isPro()) { |
| 411 | $this->cronMessage .= sprintf( |
| 412 | __('There are %s scheduled WordPress tasks overdue. This means the WordPress cron jobs are not working properly, unless this a development site or no users are visiting this website. <a href="%s">Read this article</a> to find a solution.<br><br>', 'wp-staging'), |
| 413 | $this->numberOverdueCronjobs, |
| 414 | 'https://wp-staging.com/docs/wp-cron-is-not-working-correctly/' |
| 415 | ); |
| 416 | |
| 417 | if (WPStaging::make(ServerVars::class)->isLitespeed()) { |
| 418 | $this->cronMessage .= sprintf( |
| 419 | Escape::escapeHtml(__('This site is using LiteSpeed server, this could prevent the scheduled backups from working properly. Please read <a href="%s" target="_blank">this article here</a> if the backup scheduling is not working properly.', 'wp-staging')), |
| 420 | 'https://wp-staging.com/docs/scheduled-backups-do-not-work-hosting-company-uses-the-litespeed-webserver-fix-wp-cron/' |
| 421 | ); |
| 422 | } |
| 423 | } else { |
| 424 | $this->cronMessage .= sprintf( |
| 425 | __('There are %s scheduled WordPress tasks overdue. This means the WordPress cron jobs are not working properly, unless this a development site or no users are visiting this website.<br> <a href="%s">Write to us in the forum</a> to get a solution for this issue from the WP STAGING support team.<br><br>', 'wp-staging'), |
| 426 | $this->numberOverdueCronjobs, |
| 427 | 'https://wordpress.org/support/plugin/wp-staging/' |
| 428 | ); |
| 429 | |
| 430 | if (WPStaging::make(ServerVars::class)->isLitespeed()) { |
| 431 | $this->cronMessage .= sprintf( |
| 432 | Escape::escapeHtml(__('This site is using LiteSpeed server, this could prevent the scheduled backups from working properly. <a href="%s">Write to us in the forum</a> to get a solution for that issue.', 'wp-staging')), |
| 433 | 'https://wordpress.org/support/plugin/wp-staging/' |
| 434 | ); |
| 435 | } |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | // Third party plugins that handle crons |
| 440 | $thirdPartyCronPlugins = [ |
| 441 | '\HM\Cavalcade\Plugin\Job' => 'Cavalcade', |
| 442 | '\Automattic\WP\Cron_Control\Main' => 'Cron Control', |
| 443 | '\KMM\KRoN\Core' => 'KMM KRoN', |
| 444 | ]; |
| 445 | |
| 446 | foreach ($thirdPartyCronPlugins as $class => $plugin) { |
| 447 | if (class_exists($class)) { |
| 448 | $this->cronMessage .= sprintf( |
| 449 | __('WP Cron is being managed by a third party plugin: %s plugin.', 'wp-staging'), |
| 450 | $plugin |
| 451 | ); |
| 452 | |
| 453 | return true; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | if (defined('DISABLE_WP_CRON') && DISABLE_WP_CRON) { |
| 458 | if (WPStaging::isPro()) { |
| 459 | $this->cronMessage .= sprintf( |
| 460 | __('The background backup creation depends on WP-Cron but %s is set to %s in wp-config.php. Background processing might not work. Remove this constant or set its value to %s. Ignore this if you use an external cron job.', 'wp-staging'), |
| 461 | '<code>DISABLE_WP_CRON</code>', |
| 462 | '<code>true</code>', |
| 463 | '<code>false</code>' |
| 464 | ); |
| 465 | } else { |
| 466 | $this->cronMessage .= sprintf( |
| 467 | __('The background backup creation depends on WP-Cron but %s is set to %s in wp-config.php. Background processing might not work. Remove this constant or set its value to %s. Ignore this if you use an external cron job. <a href="%s" target="_blank">Ask us in the forum</a> if you need more information.', 'wp-staging'), |
| 468 | '<code>DISABLE_WP_CRON</code>', |
| 469 | '<code>true</code>', |
| 470 | '<code>false</code>', |
| 471 | 'https://wordpress.org/support/plugin/wp-staging/' |
| 472 | ); |
| 473 | } |
| 474 | |
| 475 | return true; |
| 476 | } |
| 477 | |
| 478 | if (defined('ALTERNATE_WP_CRON') && ALTERNATE_WP_CRON) { |
| 479 | $this->cronMessage .= sprintf( |
| 480 | __('The constant %s is set to true.', 'wp-staging'), |
| 481 | 'ALTERNATE_WP_CRON' |
| 482 | ); |
| 483 | |
| 484 | return true; |
| 485 | } |
| 486 | |
| 487 | // Don't do the next time expensive checking if no schedules are set |
| 488 | if ($this->isSchedulesEmpty()) { |
| 489 | return true; |
| 490 | } |
| 491 | |
| 492 | $sslverify = version_compare($wp_version, '4.0', '<'); |
| 493 | $doingWpCron = sprintf('%.22F', microtime(true)); |
| 494 | $urlEndpoint = add_query_arg('doing_wp_cron', $doingWpCron, site_url('wp-cron.php')); |
| 495 | |
| 496 | $cronRequest = apply_filters('cron_request', [ |
| 497 | 'url' => $urlEndpoint, |
| 498 | 'key' => $doingWpCron, |
| 499 | 'args' => [ |
| 500 | 'timeout' => 10, |
| 501 | 'blocking' => true, |
| 502 | 'sslverify' => apply_filters('https_local_ssl_verify', $sslverify), |
| 503 | ], |
| 504 | ]); |
| 505 | |
| 506 | $cronRequest['args']['blocking'] = true; |
| 507 | |
| 508 | $result = wp_remote_post($cronRequest['url'], $cronRequest['args']); |
| 509 | |
| 510 | if (is_wp_error($result)) { |
| 511 | $this->cronMessage .= "Can not create scheduled backups because cron jobs do not work on this site. Error: " . $result->get_error_message() . ". Can not reach endpoint: " . esc_url($urlEndpoint); |
| 512 | // Only send the error report mail if error is caused by WP STAGING |
| 513 | if ($this->isWpstgError()) { |
| 514 | $this->sendErrorReport($this->cronMessage); |
| 515 | } |
| 516 | |
| 517 | return false; |
| 518 | } |
| 519 | |
| 520 | if (wp_remote_retrieve_response_code($result) >= 300) { |
| 521 | $this->cronMessage .= sprintf( |
| 522 | __('Unexpected HTTP response code: %s. Cron jobs and backup schedule might still work, but we recommend checking the HTTP response of %s', 'wp-staging'), |
| 523 | intval(wp_remote_retrieve_response_code($result)), |
| 524 | esc_url($urlEndpoint) |
| 525 | ); |
| 526 | |
| 527 | return false; |
| 528 | } |
| 529 | |
| 530 | return true; |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * @return bool |
| 535 | */ |
| 536 | private function isCronjobsOverdue(): bool |
| 537 | { |
| 538 | return $this->numberOverdueCronjobs > 4; |
| 539 | } |
| 540 | |
| 541 | /** @return string */ |
| 542 | public function getCronMessage(): string |
| 543 | { |
| 544 | return $this->cronMessage; |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * @return array An array where the first item is the timestamp, and the second is the backup callback. |
| 549 | * @throws \Exception When there is no backup scheduled or one could not be found. |
| 550 | */ |
| 551 | public function getNextBackupSchedule(): array |
| 552 | { |
| 553 | $cron = get_option('cron'); |
| 554 | |
| 555 | // Bail: Unexpected value - should never happen. |
| 556 | if (!is_array($cron)) { |
| 557 | throw new \UnexpectedValueException(); |
| 558 | } |
| 559 | |
| 560 | ksort($cron, SORT_NUMERIC); |
| 561 | |
| 562 | // Remove any backup schedules from Cron |
| 563 | foreach ($cron as $timestamp => &$events) { |
| 564 | if (is_array($events)) { |
| 565 | foreach ($events as $callback => &$args) { |
| 566 | if ($callback === 'wpstg_create_cron_backup') { |
| 567 | return [$timestamp, $cron[$timestamp][$callback]]; |
| 568 | } |
| 569 | } |
| 570 | } |
| 571 | } |
| 572 | |
| 573 | // No results found |
| 574 | throw new \OutOfBoundsException(); |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * Set date today or tomorrow for given DateTime object according to time |
| 579 | * |
| 580 | * @param DateTime $datetime |
| 581 | * @param string|array $time |
| 582 | * @return void |
| 583 | */ |
| 584 | protected function setUpcomingDateTime(DateTime &$datetime, $time) |
| 585 | { |
| 586 | if (is_array($time)) { |
| 587 | $hourAndMinute = $time; |
| 588 | } else { |
| 589 | $hourAndMinute = explode(':', $time); |
| 590 | } |
| 591 | |
| 592 | // The event should be scheduled later today or tomorrow? Compares "Hi (Hourminute)" timestamps to figure out. |
| 593 | if ((int)sprintf('%s%s', $hourAndMinute[0], $hourAndMinute[1]) < (int)$datetime->format('Hi')) { |
| 594 | $datetime->add(new \DateInterval('P1D')); |
| 595 | } |
| 596 | |
| 597 | $datetime->setTime($hourAndMinute[0], $hourAndMinute[1]); |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * Set the next scheduling date for the schedule |
| 602 | * |
| 603 | * @param DateTime $datetime |
| 604 | * @param array $schedule |
| 605 | * @return void |
| 606 | */ |
| 607 | protected function setNextSchedulingDate(DateTime &$datetime, array $schedule) |
| 608 | { |
| 609 | $next = $schedule['firstSchedule']; |
| 610 | $now = $datetime->getTimestamp(); |
| 611 | if ($next >= $now) { |
| 612 | $this->setUpcomingDateTime($datetime, $schedule['time']); |
| 613 | return; |
| 614 | } |
| 615 | |
| 616 | $recurrance = wp_get_schedules()[$schedule['schedule']]; |
| 617 | while ($next < $now) { |
| 618 | $next += $recurrance['interval']; |
| 619 | } |
| 620 | |
| 621 | $datetime->setTimestamp($next); |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * Detect whether the last error is caused by WP STAGING |
| 626 | * |
| 627 | * @return bool |
| 628 | */ |
| 629 | protected function isWpstgError(): bool |
| 630 | { |
| 631 | $error = error_get_last(); |
| 632 | if (!is_array($error)) { |
| 633 | return false; |
| 634 | } |
| 635 | |
| 636 | return strpos($error['file'], WPSTG_PLUGIN_SLUG) !== false; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * @param string $message |
| 641 | * @return void |
| 642 | */ |
| 643 | public function sendErrorReport(string $message) |
| 644 | { |
| 645 | if (get_option(self::OPTION_BACKUP_SCHEDULE_ERROR_REPORT) !== 'true') { |
| 646 | return; |
| 647 | } |
| 648 | |
| 649 | $reportEmail = get_option(self::OPTION_BACKUP_SCHEDULE_REPORT_EMAIL); |
| 650 | if (!filter_var($reportEmail, FILTER_VALIDATE_EMAIL)) { |
| 651 | return; |
| 652 | } |
| 653 | |
| 654 | // Only send the error report mail once every 5 minutes |
| 655 | if (get_transient(self::TRANSIENT_BACKUP_SCHEDULE_REPORT_SENT) !== false) { |
| 656 | return; |
| 657 | } |
| 658 | |
| 659 | if (empty($message)) { |
| 660 | return; |
| 661 | } |
| 662 | |
| 663 | if (strpos($message, 'index resource') !== false) { |
| 664 | $message .= "\r\n \r\n" . __("This can happen if another process deleted the backup while it was created. Please report this to support@wp-staging.com if it happens often. Otherwise you can ignore it.", 'wp-staging'); |
| 665 | } |
| 666 | |
| 667 | $message .= "\r\n" . "--" . "\r\n" . __('This message was sent by the WP Staging plugin from the website', 'wp-staging') . ' ' . get_site_url(); |
| 668 | $message .= "\r\n" . __('It was sent to the email address', 'wp-staging') . ' ' . $reportEmail . ' ' . __('which can be set up on ', 'wp-staging') . get_site_url() . '/wp-admin/admin.php?page=wpstg-settings'; |
| 669 | $message .= "\r\n" . __('Please do not reply to this email.', 'wp-staging'); |
| 670 | |
| 671 | // Set the transient to prevent sending the error report mail again for 5 minutes |
| 672 | set_transient(self::TRANSIENT_BACKUP_SCHEDULE_REPORT_SENT, true, 5 * 60); |
| 673 | wp_mail($reportEmail, __('WP Staging - Backup Error Report', 'wp-staging'), $message, [], []); |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * @return bool |
| 678 | */ |
| 679 | private function isSchedulesEmpty(): bool |
| 680 | { |
| 681 | $schedules = get_option(static::OPTION_BACKUP_SCHEDULES, []); |
| 682 | if (empty($schedules)) { |
| 683 | return true; |
| 684 | } |
| 685 | |
| 686 | return false; |
| 687 | } |
| 688 | |
| 689 | /** |
| 690 | * @return array |
| 691 | */ |
| 692 | private function getCronJobs(): array |
| 693 | { |
| 694 | $cron = get_option('cron'); |
| 695 | if (!is_array($cron)) { |
| 696 | return []; |
| 697 | } |
| 698 | |
| 699 | return $cron; |
| 700 | } |
| 701 | |
| 702 | /** |
| 703 | * @return void |
| 704 | */ |
| 705 | private function countOverdueCronjobs() |
| 706 | { |
| 707 | $cronJobs = $this->getCronJobs(); |
| 708 | $timeNow = time(); |
| 709 | foreach ($cronJobs as $expectedExecutionTime => $cronJob) { |
| 710 | if ($expectedExecutionTime < $timeNow) { |
| 711 | $this->numberOverdueCronjobs++; |
| 712 | } |
| 713 | } |
| 714 | } |
| 715 | } |
| 716 |