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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\Module\logpeek\Controller; |
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use Exception; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\Configuration; |
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use SimpleSAML\Module\logpeek\File; |
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use SimpleSAML\Module\logpeek\Syslog; |
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use SimpleSAML\Session; |
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use SimpleSAML\Utils; |
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use SimpleSAML\XHTML\Template; |
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use Symfony\Component\HttpFoundation\Request; |
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use function array_reverse; |
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use function count; |
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use function date; |
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use function intval; |
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use function preg_match; |
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use function strstr; |
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/** |
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* Controller class for the logpeek module. |
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* |
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* This class serves the different views available in the module. |
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* |
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* @package simplesamlphp/simplesamlphp-module-logpeek |
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*/ |
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class Logpeek |
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{ |
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/** @var \SimpleSAML\Configuration */ |
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protected Configuration $config; |
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/** @var \SimpleSAML\Configuration */ |
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protected Configuration $moduleConfig; |
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/** @var \SimpleSAML\Session */ |
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protected Session $session; |
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/** @var \SimpleSAML\Utils\Auth */ |
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protected $authUtils; |
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/** |
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* Controller constructor. |
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* |
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* It initializes the global configuration and session for the controllers implemented here. |
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* |
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* @param \SimpleSAML\Configuration $config The configuration to use by the controllers. |
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* @param \SimpleSAML\Session $session The session to use by the controllers. |
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* |
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* @throws \Exception |
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*/ |
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public function __construct( |
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Configuration $config, |
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Session $session, |
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) { |
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$this->authUtils = new Utils\Auth(); |
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$this->config = $config; |
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$this->moduleConfig = Configuration::getConfig('module_logpeek.php'); |
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$this->session = $session; |
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} |
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/** |
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* Inject the \SimpleSAML\Utils\Auth dependency. |
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* |
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* @param \SimpleSAML\Utils\Auth $authUtils |
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*/ |
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public function setAuthUtils(Utils\Auth $authUtils): void |
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{ |
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$this->authUtils = $authUtils; |
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} |
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/** |
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* Main index controller. |
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* |
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* @param \Symfony\Component\HttpFoundation\Request $request The current request. |
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* |
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* @return \SimpleSAML\XHTML\Template |
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*/ |
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public function main(Request $request): Template |
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{ |
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$this->authUtils->requireAdmin(); |
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$logfile = $this->moduleConfig->getOptionalValue('logfile', '/var/log/simplesamlphp.log'); |
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$blockSize = $this->moduleConfig->getOptionalValue('blocksz', 8192); |
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$myLog = new File\ReverseRead($logfile, $blockSize); |
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$results = []; |
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if ($request->query->has('tag') === true) { |
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/** @psalm-var string $tag */ |
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$tag = $request->query->get('tag'); |
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Assert::notNull($tag); |
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$results = $this->logFilter($myLog, $tag, $this->moduleConfig->getOptionalValue('lines', 500)); |
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} |
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$fileModYear = intval(date("Y", $myLog->getFileMtime())); |
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$firstLine = $myLog->getFirstLine(); |
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$firstTimeEpoch = Syslog\ParseLine::getUnixTime($firstLine ?: '', $fileModYear); |
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$lastLine = $myLog->getLastLine(); |
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$lastTimeEpoch = Syslog\ParseLine::getUnixTime($lastLine ?: '', $fileModYear); |
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$fileSize = $myLog->getFileSize(); |
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$t = new Template($this->config, 'logpeek:logpeek.twig'); |
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$t->data['results'] = $results; |
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$t->data['trackid'] = $this->session->getTrackID(); |
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$t->data['timestart'] = date(DATE_RFC822, $firstTimeEpoch ?: time()); |
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$t->data['endtime'] = date(DATE_RFC822, $lastTimeEpoch ?: time()); |
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$t->data['filesize'] = $fileSize; |
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return $t; |
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} |
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/** |
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* @param \SimpleSAML\Module\logpeek\File\ReverseRead $objFile |
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* @param string $tag |
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* @param int $cut |
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* @return array |
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*/ |
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private function logFilter(File\ReverseRead $objFile, string $tag, int $cut): array |
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{ |
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if (!preg_match('/^(TR[a-f0-9{8}]|CL[a-f0-9]{8}|[a-f0-9]{10})$/D', $tag)) { |
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throw new Exception('Invalid search tag'); |
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} |
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$i = 0; |
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$results = []; |
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$line = $objFile->getPreviousLine(); |
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while ($line !== false && ($i++ < $cut)) { |
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if (strstr($line, '[' . $tag . ']')) { |
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$results[] = $line; |
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} |
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$line = $objFile->getPreviousLine(); |
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} |
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$results[] = 'Searched ' . $i . ' lines backward. ' . count($results) . ' lines found.'; |
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$results = array_reverse($results); |
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return $results; |
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} |
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} |
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simplesamlphp /
simplesamlphp-module-logpeek
