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<?php |
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declare(strict_types=1); |
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namespace Watchmaker\lib; |
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use ErrorException; |
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use Watchmaker\error\FailedInstallCrontabException; |
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use Watchmaker\error\MissingCrontabException; |
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use Watchmaker\error\NotInstalledCrontabException; |
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class CronWriter |
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{ |
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/** |
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* @param array $watchmakerList |
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* @return bool |
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* @throws FailedInstallCrontabException |
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* @throws MissingCrontabException |
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* @throws NotInstalledCrontabException |
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* @throws ErrorException |
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*/ |
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public function write(array $watchmakerList) : bool |
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{ |
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$ret = $this->isInstalledCrontab(); |
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if ($ret === false) { |
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throw new NotInstalledCrontabException(); |
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} |
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$error = fopen('php://temp', 'wb+'); |
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if ($error === false) { |
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throw new ErrorException(); |
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} |
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$descriptorspec = [ |
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0 => array('pipe', 'r'), |
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1 => array('pipe', 'w'), |
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2 => $error |
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]; |
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$process = proc_open('/usr/bin/crontab -', $descriptorspec, $pipes); |
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if ($process === false) { |
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throw new MissingCrontabException(); |
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} |
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stream_set_blocking($pipes[1], false); |
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foreach ($watchmakerList as $watchmaker) |
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{ |
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fputs($pipes[0], $watchmaker->generate() . "\n"); |
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} |
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fclose($pipes[0]); |
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fclose($pipes[1]); |
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$ret = proc_close($process); |
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if ($ret !== 0) { |
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// error (Error is output after proc_close) |
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fseek($error, 0); |
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$errorMessage = stream_get_contents($error); |
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throw new FailedInstallCrontabException($errorMessage); |
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} |
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fclose($error); |
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return true; |
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} |
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private function isInstalledCrontab() : bool |
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{ |
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$out = null; |
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$return = null; |
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exec("which crontab", $out, $return); |
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if ($return !== 0) { |
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return false; |
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} |
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return true; |
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} |
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} |
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kozo /
watchmaker
