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Copy pathHelper.php
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252 lines (215 loc) · 5.73 KB
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<?php
namespace Jobby;
class Helper
{
/**
* @var int
*/
const UNIX = 0;
/**
* @var int
*/
const WINDOWS = 1;
/**
* @var resource[]
*/
private $lockHandles = [];
/**
* @var \Swift_Mailer
*/
private $mailer;
/**
* @param \Swift_Mailer $mailer
*/
public function __construct(\Swift_Mailer $mailer = null)
{
$this->mailer = $mailer;
}
/**
* @param string $job
* @param array $config
* @param string $message
*
* @return \Swift_Message
*/
public function sendMail($job, array $config, $message)
{
$host = $this->getHost();
$body = <<<EOF
$message
You can find its output in {$config['output']} on $host.
Best,
jobby@$host
EOF;
$mail = new \Swift_Message();
$mail->setTo(explode(',', $config['recipients']));
$mail->setSubject("[$host] '{$job}' needs some attention!");
$mail->setBody($body);
$mail->setFrom([$config['smtpSender'] => $config['smtpSenderName']]);
$mail->setSender($config['smtpSender']);
$mailer = $this->getCurrentMailer($config);
$mailer->send($mail);
return $mail;
}
/**
* @param array $config
*
* @return \Swift_Mailer
*/
private function getCurrentMailer(array $config)
{
if ($this->mailer !== null) {
return $this->mailer;
}
$swiftVersion = (int) explode('.', \Swift::VERSION)[0];
if ($config['mailer'] === 'smtp') {
$transport = new \Swift_SmtpTransport(
$config['smtpHost'],
$config['smtpPort'],
$config['smtpSecurity']
);
$transport->setUsername($config['smtpUsername']);
$transport->setPassword($config['smtpPassword']);
} elseif ($swiftVersion < 6 && $config['mailer'] === 'mail') {
$transport = \Swift_MailTransport::newInstance();
} else {
$transport = new \Swift_SendmailTransport();
}
return new \Swift_Mailer($transport);
}
/**
* @param string $lockFile
*
* @throws Exception
* @throws InfoException
*/
public function acquireLock($lockFile)
{
if (array_key_exists($lockFile, $this->lockHandles)) {
throw new Exception("Lock already acquired (Lockfile: $lockFile).");
}
if (!file_exists($lockFile) && !touch($lockFile)) {
throw new Exception("Unable to create file (File: $lockFile).");
}
$fh = fopen($lockFile, 'rb+');
if ($fh === false) {
throw new Exception("Unable to open file (File: $lockFile).");
}
$attempts = 5;
while ($attempts > 0) {
if (flock($fh, LOCK_EX | LOCK_NB)) {
$this->lockHandles[$lockFile] = $fh;
ftruncate($fh, 0);
fwrite($fh, getmypid());
return;
}
usleep(250);
--$attempts;
}
throw new InfoException("Job is still locked (Lockfile: $lockFile)!");
}
/**
* @param string $lockFile
*
* @throws Exception
*/
public function releaseLock($lockFile)
{
if (!array_key_exists($lockFile, $this->lockHandles)) {
throw new Exception("Lock NOT held - bug? Lockfile: $lockFile");
}
if ($this->lockHandles[$lockFile]) {
ftruncate($this->lockHandles[$lockFile], 0);
flock($this->lockHandles[$lockFile], LOCK_UN);
}
unset($this->lockHandles[$lockFile]);
}
/**
* @param string $lockFile
*
* @return int
*/
public function getLockLifetime($lockFile)
{
if (!file_exists($lockFile)) {
return 0;
}
$pid = file_get_contents($lockFile);
if (empty($pid)) {
return 0;
}
if (!posix_kill((int) $pid, 0)) {
return 0;
}
$stat = stat($lockFile);
return (time() - $stat['mtime']);
}
/**
* @return string
*/
public function getTempDir()
{
// @codeCoverageIgnoreStart
if (function_exists('sys_get_temp_dir')) {
$tmp = sys_get_temp_dir();
} elseif (!empty($_SERVER['TMP'])) {
$tmp = $_SERVER['TMP'];
} elseif (!empty($_SERVER['TEMP'])) {
$tmp = $_SERVER['TEMP'];
} elseif (!empty($_SERVER['TMPDIR'])) {
$tmp = $_SERVER['TMPDIR'];
} else {
$tmp = getcwd();
}
// @codeCoverageIgnoreEnd
return $tmp;
}
/**
* @return string
*/
public function getHost()
{
return php_uname('n');
}
/**
* @return string|null
*/
public function getApplicationEnv()
{
return isset($_SERVER['APPLICATION_ENV']) ? $_SERVER['APPLICATION_ENV'] : null;
}
/**
* @return int
*/
public function getPlatform()
{
if (strncasecmp(PHP_OS, 'Win', 3) === 0) {
// @codeCoverageIgnoreStart
return self::WINDOWS;
// @codeCoverageIgnoreEnd
}
return self::UNIX;
}
/**
* @param string $input
*
* @return string
*/
public function escape($input)
{
$input = strtolower($input);
$input = preg_replace('/[^a-z0-9_. -]+/', '', $input);
$input = trim($input);
$input = str_replace(' ', '_', $input);
$input = preg_replace('/_{2,}/', '_', $input);
return $input;
}
public function getSystemNullDevice()
{
$platform = $this->getPlatform();
if ($platform === self::UNIX) {
return '/dev/null';
}
return 'NUL';
}
}