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<?php |
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namespace LeKoala\SimpleJobs; |
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use DateTime; |
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use Exception; |
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use Cron\CronExpression; |
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use SilverStripe\ORM\DB; |
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use Psr\Log\LoggerInterface; |
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use SilverStripe\Core\Convert; |
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use SilverStripe\Core\ClassInfo; |
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use SilverStripe\Control\Director; |
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use SilverStripe\Core\Environment; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Security\Permission; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\CronTask\CronTaskStatus; |
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use SilverStripe\ORM\FieldType\DBDatetime; |
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use SilverStripe\CronTask\Interfaces\CronTask; |
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use SilverStripe\Control\HTTPResponse_Exception; |
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use SilverStripe\Control\Middleware\HTTPCacheControlMiddleware; |
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/** |
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* A controller that triggers the jobs from an http request |
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* |
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*/ |
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class SimpleJobsController extends Controller |
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{ |
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/** |
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* @var string |
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*/ |
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private static $url_segment = 'simple-jobs'; |
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/** |
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* @var array<string, string> |
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*/ |
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private static $url_handlers = [ |
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'simple-jobs/$Action/$ID/$OtherID' => 'handleAction', |
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]; |
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/** |
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* @var array<string> |
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*/ |
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private static $allowed_actions = [ |
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'trigger', |
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'trigger_manual', |
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'trigger_next_task', |
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'viewlogs', |
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]; |
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/** |
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* @var bool |
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*/ |
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protected $basicAuthEnabled = false; |
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/** |
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* @return void |
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*/ |
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public function init() |
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{ |
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// Avoid multiple auths |
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if (self::config()->username) { |
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$this->basicAuthEnabled = false; |
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} |
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parent::init(); |
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} |
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/** |
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* @return string|HTTPResponse|void |
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*/ |
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public function index() |
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{ |
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$this->basicAuth(); |
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HTTPCacheControlMiddleware::singleton()->disableCache(); |
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if (!Director::isDev()) { |
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return 'Listing tasks is only available in dev mode'; |
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} |
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$tasks = CronJob::allTasks(); |
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if (empty($tasks)) { |
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return "There are no implementators of CronTask to run"; |
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} |
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$segment = self::$url_segment; |
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foreach ($tasks as $task) { |
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$taskName = $task; |
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$job = CronJob::getByTaskClass($task); |
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if ($job && $job->IsDisabled()) { |
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$taskName .= ' - disabled'; |
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} |
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$taskUrl = str_replace('\\', '-', $task); |
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$link = "/$segment/trigger_manual/" . $taskUrl; |
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$forceLink = "/$segment/trigger_manual/" . $taskUrl; |
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$this->output('<a href="' . $link . '">' . $taskName . '</a>'); |
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$this->output('<a href="' . $forceLink . '?force=1">' . $taskName . ' (forced run)</a>'); |
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} |
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$this->output(''); |
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$this->output('<a href="/' . $segment . '/trigger_next_task">Trigger next simple task</a>'); |
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if (self::config()->store_results) { |
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$this->output(''); |
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$this->output('<a href="/' . $segment . '/viewlogs">View 10 most recent log entries</a>'); |
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$this->output('<a href="/' . $segment . '/viewlogs/100">View 100 most recent log entries</a>'); |
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} |
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} |
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/** |
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* @return string|HTTPResponse|void |
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*/ |
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public function viewlogs() |
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{ |
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if (!Director::isDev() && !Permission::check('ADMIN')) { |
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return "View logs is only available in dev mode or for admins"; |
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} |
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$limit = (int) $this->getRequest()->param('ID'); |
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if (!$limit) { |
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$limit = 10; |
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} |
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$results = CronTaskResult::get()->limit($limit); |
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if (!$results->count()) { |
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$this->output("No results to display"); |
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} else { |
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$this->output("Displaying last $limit results"); |
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} |
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foreach ($results as $result) { |
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$this->output($result->Status()); |
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$this->output($result->PrettyResult()); |
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} |
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} |
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/** |
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* This is a dedicated endpoint to manually run a specific job for admin |
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* |
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* @return string|void |
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*/ |
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public function trigger_manual() |
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{ |
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if (!Permission::check('ADMIN')) { |
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return 'You must be logged as an admin'; |
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} |
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$class = $this->getRequest()->param('ID'); |
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if (!$class) { |
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return 'You must specify a class'; |
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} |
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$class = str_replace('-', '\\', $class); |
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if (!class_exists($class)) { |
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return 'Invalid class name'; |
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} |
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$forceRun = $this->getRequest()->getVar('force') ? true : false; |
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$cronJob = CronJob::getByTaskClass($class); |
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if ($cronJob && $cronJob->IsDisabled() && !$forceRun) { |
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return 'Task is disabled, use forced run'; |
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} |
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/** @var \SilverStripe\CronTask\Interfaces\CronTask $task */ |
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$task = new $class(); |
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$this->runTask($task, $forceRun); |
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} |
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/** |
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* This is a dedicated endpoint to force run the next task |
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* |
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* @return string|void |
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*/ |
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public function trigger_next_task() |
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{ |
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if (!Director::isDev() && !Permission::check('ADMIN')) { |
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return 'You must be logged as an admin or in dev mode'; |
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} |
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$simpleTask = SimpleTask::getNextTaskToRun(); |
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if ($simpleTask) { |
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return $simpleTask->process() ? "ok" : "not ok"; |
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} |
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return 'No task'; |
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} |
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/** |
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* This is the endpoint that must be called by your monitoring system |
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* You can create two endpoints: |
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* - one with /trigger/cron for jobs |
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* - one with /trigger/task for tasks |
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* |
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* If unspecified, it will run all jobs and the next task |
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* |
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* @return void|string |
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*/ |
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public function trigger() |
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{ |
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// Never set a limit longer than the frequency at which this endpoint is called |
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Environment::increaseTimeLimitTo(self::config()->time_limit); |
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$this->basicAuth(); |
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// We can set a type (cron|task). If empty, we run both cron and task |
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$type = $this->getRequest()->param("ID"); |
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if ($type && !in_array($type, ['cron', 'task'])) { |
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throw new Exception("Only 'cron' and 'task' are valid parameters"); |
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} |
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// Create the lock file |
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$lockFile = Director::baseFolder() . "/.simple-jobs-lock"; |
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if ($type) { |
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$lockFile .= "-" . $type; |
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} |
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$now = date('Y-m-d H:i:s'); |
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if (is_file($lockFile)) { |
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// there is an uncleared lockfile ? |
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$this->getLogger()->error("Uncleared lock file"); |
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// prevent running tasks < 5 min |
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$t = file_get_contents($lockFile); |
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$nowt = strtotime($now); |
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if ($t && $nowt) { |
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$nowMinusFive = strtotime("-5 minutes", $nowt); |
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if (strtotime($t) > $nowMinusFive) { |
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die("Prevent running concurrent queues"); |
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} |
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} |
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// clear anyway |
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unlink($lockFile); |
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} |
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file_put_contents($lockFile, $now); |
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$tasks = CronJob::allTasks(); |
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if (empty($tasks)) { |
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return "There are no implementators of CronTask to run"; |
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} |
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if (!$type || $type == "cron") { |
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foreach ($tasks as $subclass) { |
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$cronJob = CronJob::getByTaskClass($subclass); |
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if ($cronJob && $cronJob->IsDisabled()) { |
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$this->output("Task $subclass is disabled"); |
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continue; |
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} |
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/** @var \SilverStripe\CronTask\Interfaces\CronTask $task */ |
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$task = new $subclass(); |
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$this->runTask($task); |
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} |
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// Avoid the table to be full of stuff |
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if (self::config()->auto_clean) { |
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$time = date('Y-m-d', strtotime(self::config()->auto_clean_threshold)); |
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if (self::config()->store_results) { |
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$sql = "DELETE FROM \"CronTaskResult\" WHERE \"Created\" < '$time'"; |
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DB::query($sql); |
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} |
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} |
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} |
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// Do we have a simple task to run ? |
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if (!$type || $type == "task") { |
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$simpleTask = SimpleTask::getNextTaskToRun(); |
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if ($simpleTask) { |
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$simpleTask->process(); |
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$this->output("Processed task {$simpleTask->ID}"); |
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} else { |
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$this->output("No task"); |
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} |
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// Avoid the table to be full of stuff |
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if (self::config()->auto_clean) { |
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$time = date('Y-m-d', strtotime(self::config()->auto_clean_threshold)); |
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$sql = "DELETE FROM \"SimpleTask\" WHERE \"Created\" < '$time'"; |
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DB::query($sql); |
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} |
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} |
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// Clear lock file |
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unlink($lockFile); |
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} |
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/** |
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* Determine if a task should be run |
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* |
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* @param CronTask $task |
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* @param \Cron\CronExpression $cron |
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* @return bool |
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*/ |
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protected function isTaskDue(CronTask $task, \Cron\CronExpression $cron) |
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{ |
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// Get last run status |
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/** @var CronTaskStatus|null $status */ |
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$status = CronTaskStatus::get_status(get_class($task)); |
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// If the cron is due immediately, then run it |
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$now = new DateTime(DBDatetime::now()->getValue()); |
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if ($cron->isDue($now)) { |
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if (empty($status) || empty($status->LastRun)) { |
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return true; |
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} |
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// In case this process is invoked twice in one minute, supress subsequent executions |
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$lastRun = new DateTime($status->LastRun); |
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return $lastRun->format('Y-m-d H:i') != $now->format('Y-m-d H:i'); |
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} |
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// If this is the first time this task is ever checked, no way to detect postponed execution |
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if (empty($status) || empty($status->LastChecked)) { |
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return false; |
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} |
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// Determine if we have passed the last expected run time |
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$nextExpectedDate = $cron->getNextRunDate($status->LastChecked); |
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return $nextExpectedDate <= $now; |
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} |
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/** |
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* Checks and runs a single CronTask |
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* |
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* @param CronTask $task |
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* @param boolean $forceRun |
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* @return void |
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*/ |
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protected function runTask(CronTask $task, $forceRun = false) |
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{ |
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$cron = new CronExpression($task->getSchedule()); |
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$isDue = $this->isTaskDue($task, $cron); |
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$willRun = $isDue || $forceRun; |
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// Update status of this task prior to execution in case of interruption |
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CronTaskStatus::update_status(get_class($task), $willRun); |
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if ($isDue || $forceRun) { |
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$msg = ' will start now'; |
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if (!$isDue && $forceRun) { |
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$msg .= " (forced run)"; |
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} |
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$this->output(get_class($task) . $msg); |
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$startDate = date('Y-m-d H:i:s'); |
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// Handle exceptions for tasks |
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$error = null; |
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try { |
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// We override docblock return type because we allow a result |
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/** @var mixed $result */ |
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$result = $task->process(); |
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$this->output(CronTaskResult::PrettifyResult($result)); |
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} catch (Exception $ex) { |
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$result = false; |
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$error = $ex->getMessage(); |
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$this->output(CronTaskResult::PrettifyResult($result)); |
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} |
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$endDate = date('Y-m-d H:i:s'); |
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$timeToExecute = strtotime($endDate) - strtotime($startDate); |
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// Store result if we return something |
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if (self::config()->store_results && $result !== null) { |
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$cronResult = new CronTaskResult; |
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if ($result === false) { |
367
|
|
|
$cronResult->Failed = true; |
368
|
|
|
$cronResult->Result = $error; |
369
|
|
|
} else { |
370
|
|
|
if (is_object($result)) { |
371
|
|
|
$result = print_r($result, true); |
372
|
|
|
} elseif (is_array($result)) { |
373
|
|
|
$json = json_encode($result); |
374
|
|
|
if ($json) { |
375
|
|
|
$result = $json; |
376
|
|
|
} else { |
377
|
|
|
$result = json_last_error_msg(); |
378
|
|
|
} |
379
|
|
|
} |
380
|
|
|
$cronResult->Result = $result; |
|
|
|
|
381
|
|
|
} |
382
|
|
|
$cronResult->TaskClass = get_class($task); |
383
|
|
|
$cronResult->ForcedRun = $forceRun; |
384
|
|
|
$cronResult->StartDate = $startDate; |
385
|
|
|
$cronResult->EndDate = $endDate; |
386
|
|
|
$cronResult->TimeToExecute = $timeToExecute; |
387
|
|
|
$cronResult->write(); |
388
|
|
|
} |
389
|
|
|
} else { |
390
|
|
|
$this->output(get_class($task) . ' will run at ' . $cron->getNextRunDate()->format('Y-m-d H:i:s') . '.'); |
391
|
|
|
} |
392
|
|
|
} |
393
|
|
|
|
394
|
|
|
/** |
395
|
|
|
* @param string|null $message |
396
|
|
|
* @param boolean $escape |
397
|
|
|
* @return void |
398
|
|
|
*/ |
399
|
|
|
protected function output($message, $escape = false) |
400
|
|
|
{ |
401
|
|
|
if ($escape) { |
402
|
|
|
$message = htmlspecialchars($message ?? '', ENT_QUOTES, 'UTF-8'); |
403
|
|
|
} |
404
|
|
|
echo $message . '<br />' . PHP_EOL; |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
/** |
408
|
|
|
* Enable BasicAuth in a similar fashion as BasicAuth class |
409
|
|
|
* |
410
|
|
|
* @return boolean |
411
|
|
|
* @throws HTTPResponse_Exception |
412
|
|
|
*/ |
413
|
|
|
protected function basicAuth() |
414
|
|
|
{ |
415
|
|
|
if (Director::is_cli()) { |
416
|
|
|
return true; |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
$username = self::config()->username; |
420
|
|
|
$password = self::config()->password; |
421
|
|
|
if (!$username || !$password) { |
422
|
|
|
return true; |
423
|
|
|
} |
424
|
|
|
|
425
|
|
|
$authHeader = null; |
426
|
|
|
if (isset($_SERVER['HTTP_AUTHORIZATION'])) { |
427
|
|
|
$authHeader = $_SERVER['HTTP_AUTHORIZATION']; |
428
|
|
|
} elseif (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])) { |
429
|
|
|
$authHeader = $_SERVER['REDIRECT_HTTP_AUTHORIZATION']; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
$matches = array(); |
433
|
|
|
|
434
|
|
|
$hasBasicHeaders = $authHeader && preg_match('/Basic\s+(.*)$/i', $authHeader, $matches); |
435
|
|
|
if ($hasBasicHeaders) { |
436
|
|
|
list($name, $password) = explode(':', base64_decode($matches[1])); |
437
|
|
|
$_SERVER['PHP_AUTH_USER'] = strip_tags($name); |
438
|
|
|
$_SERVER['PHP_AUTH_PW'] = strip_tags($password); |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
$authSuccess = false; |
442
|
|
|
if (isset($_SERVER['PHP_AUTH_USER']) && isset($_SERVER['PHP_AUTH_PW'])) { |
443
|
|
|
if ($_SERVER['PHP_AUTH_USER'] == $username && $_SERVER['PHP_AUTH_PW'] == $password) { |
444
|
|
|
$authSuccess = true; |
445
|
|
|
} |
446
|
|
|
} |
447
|
|
|
|
448
|
|
|
if (!$authSuccess) { |
449
|
|
|
$realm = "Enter your credentials"; |
450
|
|
|
$response = new HTTPResponse(null, 401); |
451
|
|
|
$response->addHeader('WWW-Authenticate', "Basic realm=\"$realm\""); |
452
|
|
|
|
453
|
|
|
if (isset($_SERVER['PHP_AUTH_USER'])) { |
454
|
|
|
$response->setBody(_t('BasicAuth.ERRORNOTREC', "That username / password isn't recognised")); |
455
|
|
|
} else { |
456
|
|
|
$response->setBody(_t('BasicAuth.ENTERINFO', "Please enter a username and password.")); |
457
|
|
|
} |
458
|
|
|
|
459
|
|
|
// Exception is caught by RequestHandler->handleRequest() and will halt further execution |
460
|
|
|
$e = new HTTPResponse_Exception(null, 401); |
461
|
|
|
$e->setResponse($response); |
462
|
|
|
throw $e; |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
return $authSuccess; |
466
|
|
|
} |
467
|
|
|
|
468
|
|
|
/** |
469
|
|
|
* @return LoggerInterface |
470
|
|
|
*/ |
471
|
|
|
public static function getLogger() |
472
|
|
|
{ |
473
|
|
|
return Injector::inst()->get(LoggerInterface::class)->withName('SimpleJobsController'); |
474
|
|
|
} |
475
|
|
|
} |
476
|
|
|
|