/**
* @see \wcf\system\package\plugin\IPackageInstallationPlugin::isValid()
*/
public static function isValid(PackageArchive $archive, $instruction)
{
if (preg_match('~\\.(tar(\\.gz)?|tgz)$~', $instruction)) {
// check if file actually exists
try {
if ($archive->getTar()->getIndexByFilename($instruction) === false) {
return false;
}
} catch (\SystemException $e) {
return false;
}
return true;
}
return false;
}
/**
* Returns the package object based on the package archive's package identifier or null
* if the package isn't already installed.
*
* @return \wcf\data\package\Package
*/
public function getPackage()
{
if ($this->package === null) {
$this->package = PackageCache::getInstance()->getPackageByIdentifier($this->archive->getPackageInfo('name'));
}
return $this->package;
}
/**
* Validates the download package input.
*/
protected function validateDownloadPackage()
{
$this->activeTabMenuItem = 'upload';
if (FileUtil::isURL($this->downloadPackage)) {
// download package
$this->archive = new PackageArchive($this->downloadPackage, $this->package);
try {
$this->downloadPackage = $this->archive->downloadArchive();
} catch (SystemException $e) {
throw new UserInputException('downloadPackage', 'downloadFailed');
}
} else {
// probably local path
if (!file_exists($this->downloadPackage)) {
throw new UserInputException('downloadPackage', 'downloadFailed');
}
}
if (!PackageValidationManager::getInstance()->validate($this->downloadPackage, false)) {
$exception = PackageValidationManager::getInstance()->getException();
if ($exception instanceof PackageValidationException) {
switch ($exception->getCode()) {
case PackageValidationException::INVALID_PACKAGE_NAME:
case PackageValidationException::MISSING_PACKAGE_XML:
throw new UserInputException('downloadPackage', 'noValidPackage');
break;
}
}
}
$this->package = PackageValidationManager::getInstance()->getPackageValidationArchive()->getPackage();
}
/**
* @see wcf\form\IForm::save()
*/
public function save() {
parent::save();
// get new process no
$processNo = PackageInstallationQueue::getNewProcessNo();
// obey foreign key
$packageID = ($this->packageID) ? $this->packageID : null;
// insert queue
$this->queue = PackageInstallationQueueEditor::create(array(
'processNo' => $processNo,
'userID' => WCF::getUser()->userID,
'package' => $this->archive->getPackageInfo('name'),
'packageName' => $this->archive->getLocalizedPackageInfo('packageName'),
'packageID' => $packageID,
'archive' => (!empty($this->uploadPackage['tmp_name']) ? $this->uploadPackage['name'] : $this->downloadPackage),
'action' => ($this->package != null ? 'update' : 'install'),
'confirmInstallation' => 1
));
$this->saved();
// open queue
PackageInstallationDispatcher::openQueue(0, $processNo);
}
/**
* @see \wcf\form\IForm::validate()
*/
public function validate()
{
parent::validate();
if (empty($this->source['name'])) {
throw new UserInputException('source');
}
if (empty($this->source['tmp_name'])) {
throw new UserInputException('source', 'uploadFailed');
}
try {
// check if the uploaded file is a package
$archive = new PackageArchive($this->source['tmp_name']);
$archive->openArchive();
// check if the package is an application
if ($archive->getPackageInfo('isApplication')) {
throw new SystemException("Package is application");
}
// check if the package includes a style
$containsStyle = false;
$installInstructions = $archive->getInstallInstructions();
foreach ($installInstructions as $instruction) {
if ($instruction['pip'] == 'style') {
$containsStyle = true;
break;
}
}
if (!$containsStyle) {
throw new SystemException("Package contains no style");
}
$filename = FileUtil::getTemporaryFilename('package_', preg_replace('!^.*(?=\\.(?:tar\\.gz|tgz|tar)$)!i', '', basename($this->source['name'])));
if (!@move_uploaded_file($this->source['tmp_name'], $filename)) {
throw new SystemException("Cannot move uploaded file");
}
WCF::getSession()->register('stylePackageImportLocation', $filename);
HeaderUtil::redirect(LinkHandler::getInstance()->getLink('PackageStartInstall', array('action' => 'install')));
exit;
} catch (SystemException $e) {
// ignore errors
}
try {
$this->style = StyleEditor::import($this->source['tmp_name']);
} catch (\Exception $e) {
@unlink($this->source['tmp_name']);
throw new UserInputException('source', 'importFailed');
}
}
/**
* @see wcf\form\IForm::save()
*/
public function save()
{
parent::save();
// get new process no
$processNo = PackageInstallationQueue::getNewProcessNo();
// obey foreign key
$packageID = $this->packageID ? $this->packageID : null;
// insert queue
$this->queue = PackageInstallationQueueEditor::create(array('processNo' => $processNo, 'userID' => WCF::getUser()->userID, 'package' => $this->archive->getPackageInfo('name'), 'packageName' => $this->archive->getLocalizedPackageInfo('packageName'), 'packageID' => $packageID, 'archive' => !empty($this->uploadPackage['tmp_name']) ? $this->uploadPackage['name'] : $this->downloadPackage, 'action' => $this->package != null ? 'update' : 'install', 'confirmInstallation' => 1, 'cancelable' => $this->package != null ? 0 : 1));
$this->saved();
// open queue
$url = LinkHandler::getInstance()->getLink('Package', array(), 'action=openQueue&processNo=' . $processNo);
HeaderUtil::redirect($url);
exit;
}
/**
* Returns current package archive.
*
* @return \wcf\system\package\PackageArchive
*/
public function getArchive()
{
if ($this->archive === null) {
$package = $this->getPackage();
// check if we're doing an iterative update of the same package
if ($this->previousPackageData !== null && $this->getPackage()->package == $this->previousPackageData['package']) {
if (Package::compareVersion($this->getPackage()->packageVersion, $this->previousPackageData['packageVersion'], '<')) {
// fake package to simulate the package version required by current archive
$this->getPackage()->setPackageVersion($this->previousPackageData['packageVersion']);
}
}
$this->archive = new PackageArchive($this->queue->archive, $this->getPackage());
if (FileUtil::isURL($this->archive->getArchive())) {
// get return value and update entry in
// package_installation_queue with this value
$archive = $this->archive->downloadArchive();
$queueEditor = new PackageInstallationQueueEditor($this->queue);
$queueEditor->update(array('archive' => $archive));
}
$this->archive->openArchive();
}
return $this->archive;
}
/**
* Builds nodes for optional packages, whereas each package exists within
* one node with the same parent node, seperated by sequence no (which does
* not really matter at this point).
*/
protected function buildOptionalNodes()
{
$packages = array();
$optionalPackages = $this->installation->getArchive()->getOptionals();
foreach ($optionalPackages as $package) {
// check if already installed
if (Package::isAlreadyInstalled($package['name'])) {
continue;
}
// extract package
$index = $this->installation->getArchive()->getTar()->getIndexByFilename($package['file']);
if ($index === false) {
throw new SystemException("Unable to find required package '" . $package['file'] . "' within archive.");
}
$fileName = FileUtil::getTemporaryFilename('package_', preg_replace('!^.*(?=\\.(?:tar\\.gz|tgz|tar)$)!i', '', basename($package['file'])));
$this->installation->getArchive()->getTar()->extract($index, $fileName);
// get archive data
$archive = new PackageArchive($fileName);
$archive->openArchive();
// check if all requirements are met
$isInstallable = true;
foreach ($archive->getOpenRequirements() as $packageName => $package) {
if (!isset($package['file'])) {
// requirement is neither installed nor shipped, check if it is about to be installed
if (!isset(self::$pendingPackages[$packageName])) {
$isInstallable = false;
break;
}
}
}
// check for exclusions
$excludedPackages = $archive->getConflictedExcludedPackages();
if (!empty($excludedPackages)) {
$isInstallable = false;
}
$excludingPackages = $archive->getConflictedExcludingPackages();
if (!empty($excludingPackages)) {
$isInstallable = false;
}
$packages[] = array('archive' => $fileName, 'isInstallable' => $isInstallable, 'package' => $archive->getPackageInfo('name'), 'packageName' => $archive->getLocalizedPackageInfo('packageName'), 'packageDescription' => $archive->getLocalizedPackageInfo('packageDescription'), 'selected' => 0);
self::$pendingPackages[$archive->getPackageInfo('name')] = $archive->getPackageInfo('version');
}
if (!empty($packages)) {
$this->parentNode = $this->node;
$this->node = $this->getToken();
$this->sequenceNo = 0;
$sql = "INSERT INTO\twcf" . WCF_N . "_package_installation_node\n\t\t\t\t\t\t(queueID, processNo, sequenceNo, node, parentNode, nodeType, nodeData)\n\t\t\t\tVALUES\t\t(?, ?, ?, ?, ?, ?, ?)";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($this->installation->queue->queueID, $this->installation->queue->processNo, $this->sequenceNo, $this->node, $this->parentNode, 'optionalPackages', serialize($packages)));
}
}
/**
* Installs the specified package.
*
* @param string $file
*/
private function install($file)
{
// PackageStartInstallForm::validateDownloadPackage()
if (FileUtil::isURL($file)) {
// download package
$archive = new PackageArchive($file, null);
try {
if (VERBOSITY >= 1) {
Log::info("Downloading '" . $file . "'");
}
$file = $archive->downloadArchive();
} catch (SystemException $e) {
$this->error('notFound', array('file' => $file));
}
} else {
// probably local path
if (!file_exists($file)) {
$this->error('notFound', array('file' => $file));
}
$archive = new PackageArchive($file, null);
}
// PackageStartInstallForm::validateArchive()
// try to open the archive
try {
// TODO: Exceptions thrown within openArchive() are discarded, resulting in
// the meaningless message 'not a valid package'
$archive->openArchive();
} catch (SystemException $e) {
$this->error('noValidPackage');
}
$errors = PackageInstallationDispatcher::validatePHPRequirements($archive->getPhpRequirements());
if (!empty($errors)) {
// TODO: Nice output
$this->error('phpRequirements', array('errors' => $errors));
}
// try to find existing package
$sql = "SELECT\t*\n\t\t\tFROM\twcf" . WCF_N . "_package\n\t\t\tWHERE\tpackage = ?";
$statement = CLIWCF::getDB()->prepareStatement($sql);
$statement->execute(array($archive->getPackageInfo('name')));
$row = $statement->fetchArray();
$package = null;
if ($row !== false) {
$package = new Package(null, $row);
}
// check update or install support
if ($package !== null) {
CLIWCF::getSession()->checkPermissions(array('admin.system.package.canUpdatePackage'));
$archive->setPackage($package);
if (!$archive->isValidUpdate()) {
$this->error('noValidUpdate');
}
} else {
CLIWCF::getSession()->checkPermissions(array('admin.system.package.canInstallPackage'));
if (!$archive->isValidInstall()) {
$this->error('noValidInstall');
} else {
if ($archive->getPackageInfo('isApplication')) {
// applications cannot be installed via CLI
$this->error('cli.installIsApplication');
} else {
if ($archive->isAlreadyInstalled()) {
$this->error('uniqueAlreadyInstalled');
} else {
if ($archive->getPackageInfo('isApplication') && $this->archive->hasUniqueAbbreviation()) {
$this->error('noUniqueAbbrevation');
}
}
}
}
}
// PackageStartInstallForm::save()
$processNo = PackageInstallationQueue::getNewProcessNo();
// insert queue
$queue = PackageInstallationQueueEditor::create(array('processNo' => $processNo, 'userID' => CLIWCF::getUser()->userID, 'package' => $archive->getPackageInfo('name'), 'packageName' => $archive->getLocalizedPackageInfo('packageName'), 'packageID' => $package !== null ? $package->packageID : null, 'archive' => $file, 'action' => $package !== null ? 'update' : 'install'));
// PackageInstallationDispatcher::openQueue()
$parentQueueID = 0;
$conditions = new PreparedStatementConditionBuilder();
$conditions->add("userID = ?", array(CLIWCF::getUser()->userID));
$conditions->add("parentQueueID = ?", array($parentQueueID));
if ($processNo != 0) {
$conditions->add("processNo = ?", array($processNo));
}
$conditions->add("done = ?", array(0));
$sql = "SELECT\t\t*\n\t\t\tFROM\t\twcf" . WCF_N . "_package_installation_queue\n\t\t\t" . $conditions . "\n\t\t\tORDER BY\tqueueID ASC";
$statement = CLIWCF::getDB()->prepareStatement($sql);
$statement->execute($conditions->getParameters());
$packageInstallation = $statement->fetchArray();
if (!isset($packageInstallation['queueID'])) {
$this->error('internalOpenQueue');
return;
} else {
$queueID = $packageInstallation['queueID'];
}
// PackageInstallationConfirmPage::readParameters()
$queue = new PackageInstallationQueue($queueID);
if (!$queue->queueID || $queue->done) {
$this->error('internalReadParameters');
return;
}
// PackageInstallationConfirmPage::readData()
$missingPackages = 0;
$packageInstallationDispatcher = new PackageInstallationDispatcher($queue);
// get requirements
$requirements = $packageInstallationDispatcher->getArchive()->getRequirements();
$openRequirements = $packageInstallationDispatcher->getArchive()->getOpenRequirements();
foreach ($requirements as &$requirement) {
if (isset($openRequirements[$requirement['name']])) {
$requirement['status'] = 'missing';
$requirement['action'] = $openRequirements[$requirement['name']]['action'];
if (!isset($requirement['file'])) {
if ($requirement['action'] === 'update') {
$requirement['status'] = 'missingVersion';
$requirement['existingVersion'] = $openRequirements[$requirement['name']]['existingVersion'];
}
$missingPackages++;
} else {
$requirement['status'] = 'delivered';
$packageArchive = new PackageArchive($packageInstallationDispatcher->getArchive()->extractTar($requirement['file']));
$packageArchive->openArchive();
// make sure that the delivered package is correct
if ($requirement['name'] != $packageArchive->getPackageInfo('name')) {
$requirement['status'] = 'invalidDeliveredPackage';
$requirement['deliveredPackage'] = $packageArchive->getPackageInfo('name');
$missingPackages++;
} else {
if (isset($requirement['minversion'])) {
// make sure that the delivered version is sufficient
if (Package::compareVersion($requirement['minversion'], $packageArchive->getPackageInfo('version')) > 0) {
$requirement['deliveredVersion'] = $packageArchive->getPackageInfo('version');
$requirement['status'] = 'missingVersion';
$missingPackages++;
}
}
}
}
} else {
$requirement['status'] = 'installed';
}
}
unset($requirement);
// PackageInstallationConfirmPage::assignVariables/show()
$excludingPackages = $packageInstallationDispatcher->getArchive()->getConflictedExcludingPackages();
$excludedPackages = $packageInstallationDispatcher->getArchive()->getConflictedExcludedPackages();
if (!($missingPackages == 0 && count($excludingPackages) == 0 && count($excludedPackages) == 0)) {
$this->error('missingPackagesOrExclude', array('requirements' => $requirements, 'excludingPackages' => $excludingPackages, 'excludedPackages' => $excludedPackages));
return;
}
// AbstractDialogAction::readParameters()
$step = 'prepare';
$queueID = $queue->queueID;
$node = '';
// initialize progressbar
$progressbar = new ProgressBar(new ConsoleProgressBar(array('width' => CLIWCF::getTerminal()->getWidth(), 'elements' => array(ConsoleProgressBar::ELEMENT_PERCENT, ConsoleProgressBar::ELEMENT_BAR, ConsoleProgressBar::ELEMENT_TEXT), 'textWidth' => min(floor(CLIWCF::getTerminal()->getWidth() / 2), 50))));
// InstallPackageAction::readParameters()
$finished = false;
while (!$finished) {
$queue = new PackageInstallationQueue($queueID);
if (!$queue->queueID) {
// todo: what to output?
echo "InstallPackageAction::readParameters()";
return;
}
$installation = new PackageInstallationDispatcher($queue);
switch ($step) {
case 'prepare':
// InstallPackageAction::stepPrepare()
// update package information
$installation->updatePackage();
// clean-up previously created nodes
$installation->nodeBuilder->purgeNodes();
// create node tree
$installation->nodeBuilder->buildNodes();
$node = $installation->nodeBuilder->getNextNode();
$queueID = $installation->nodeBuilder->getQueueByNode($installation->queue->processNo, $node);
$step = 'install';
$progress = 0;
$currentAction = $installation->nodeBuilder->getPackageNameByQueue($queueID);
break;
case 'install':
// InstallPackageAction::stepInstall()
$step_ = $installation->install($node);
$queueID = $installation->nodeBuilder->getQueueByNode($installation->queue->processNo, $step_->getNode());
if ($step_->hasDocument()) {
$innerTemplate = $step_->getTemplate();
$progress = $installation->nodeBuilder->calculateProgress($node);
$node = $step_->getNode();
$currentAction = $installation->nodeBuilder->getPackageNameByQueue($queueID);
} else {
if ($step_->getNode() == '') {
// perform final actions
$installation->completeSetup();
// InstallPackageAction::finalize()
CacheHandler::getInstance()->flushAll();
// /InstallPackageAction::finalize()
// show success
$progress = 100;
$currentAction = CLIWCF::getLanguage()->get('wcf.acp.package.installation.step.install.success');
$finished = true;
continue;
} else {
// continue with next node
$progress = $installation->nodeBuilder->calculateProgress($node);
$node = $step_->getNode();
$currentAction = $installation->nodeBuilder->getPackageNameByQueue($queueID);
}
}
break;
}
$progressbar->update($progress, $currentAction);
}
$progressbar->getAdapter()->finish();
}
/**
* Tries to download a package from available update servers.
*
* @param string $package package identifier
* @param array $packageUpdateVersions package update versions
* @param boolean $validateInstallInstructions
* @return string tmp filename of a downloaded package
*/
protected function downloadPackage($package, $packageUpdateVersions, $validateInstallInstructions = false)
{
// get download from cache
if ($filename = $this->getCachedDownload($package, $packageUpdateVersions[0]['package'])) {
return $filename;
}
// download file
foreach ($packageUpdateVersions as $packageUpdateVersion) {
// get auth data
$authData = $this->getAuthData($packageUpdateVersion);
if ($packageUpdateVersion['filename']) {
$request = new HTTPRequest($packageUpdateVersion['filename'], !empty($authData) ? array('auth' => $authData) : array(), array('apiVersion' => PackageUpdate::API_VERSION));
} else {
// create request
$request = new HTTPRequest($this->packageUpdateServers[$packageUpdateVersion['packageUpdateServerID']]->getDownloadURL(), !empty($authData) ? array('auth' => $authData) : array(), array('apiVersion' => PackageUpdate::API_VERSION, 'packageName' => $packageUpdateVersion['package'], 'packageVersion' => $packageUpdateVersion['packageVersion']));
}
try {
$request->execute();
} catch (HTTPUnauthorizedException $e) {
throw new PackageUpdateUnauthorizedException($request, $this->packageUpdateServers[$packageUpdateVersion['packageUpdateServerID']], $packageUpdateVersion);
}
$response = $request->getReply();
// check response
if ($response['statusCode'] != 200) {
throw new SystemException(WCF::getLanguage()->getDynamicVariable('wcf.acp.package.error.downloadFailed', array('__downloadPackage' => $package)) . ' (' . $response['body'] . ')');
}
// write content to tmp file
$filename = FileUtil::getTemporaryFilename('package_');
$file = new File($filename);
$file->write($response['body']);
$file->close();
unset($response['body']);
// test package
$archive = new PackageArchive($filename);
$archive->openArchive();
// check install instructions
if ($validateInstallInstructions) {
$installInstructions = $archive->getInstallInstructions();
if (empty($installInstructions)) {
throw new SystemException("Package '" . $archive->getLocalizedPackageInfo('packageName') . "' (" . $archive->getPackageInfo('name') . ") does not contain valid installation instructions.");
}
}
$archive->getTar()->close();
// cache download in session
PackageUpdateDispatcher::getInstance()->cacheDownload($package, $packageUpdateVersion['packageVersion'], $filename);
return $filename;
}
return false;
}
/**
* Builds nodes for optional packages, whereas each package exists within
* one node with the same parent node, seperated by sequence no (which does
* not really matter at this point).
*/
protected function buildOptionalNodes()
{
$packages = array();
$optionalPackages = $this->installation->getArchive()->getOptionals();
foreach ($optionalPackages as $package) {
// extract package
$index = $this->installation->getArchive()->getTar()->getIndexByFilename($package['file']);
if ($index === false) {
throw new SystemException("Unable to find required package '" . $package['file'] . "' within archive.");
}
$fileName = FileUtil::getTemporaryFilename('package_', preg_replace('!^.*(?=\\.(?:tar\\.gz|tgz|tar)$)!i', '', basename($package['file'])));
$this->installation->getArchive()->getTar()->extract($index, $fileName);
// get archive data
$archive = new PackageArchive($fileName);
$archive->openArchive();
$packages[] = array('archive' => $fileName, 'package' => $archive->getPackageInfo('name'), 'packageName' => $archive->getLocalizedPackageInfo('packageName'), 'selected' => 0);
}
if (!empty($packages)) {
$this->parentNode = $this->node;
$this->node = $this->getToken();
$this->sequenceNo = 0;
$sql = "INSERT INTO\twcf" . WCF_N . "_package_installation_node\n\t\t\t\t\t\t(queueID, processNo, sequenceNo, node, parentNode, nodeType, nodeData)\n\t\t\t\tVALUES\t\t(?, ?, ?, ?, ?, ?, ?)";
$statement = WCF::getDB()->prepareStatement($sql);
$statement->execute(array($this->installation->queue->queueID, $this->installation->queue->processNo, $this->sequenceNo, $this->node, $this->parentNode, 'optionalPackages', serialize($packages)));
}
}
/**
* Gets the package name of the first application in WCFSetup.tar.gz.
*/
protected static function getPackageName()
{
// get package name
$tar = new Tar(SETUP_FILE);
foreach ($tar->getContentList() as $file) {
if ($file['type'] != 'folder' && mb_strpos($file['filename'], 'install/packages/') === 0) {
$packageFile = basename($file['filename']);
$packageName = preg_replace('!\\.(tar\\.gz|tgz|tar)$!', '', $packageFile);
if ($packageName != 'com.woltlab.wcf') {
try {
$archive = new PackageArchive(TMP_DIR . 'install/packages/' . $packageFile);
$archive->openArchive();
self::$setupPackageName = $archive->getLocalizedPackageInfo('packageName');
$archive->getTar()->close();
break;
} catch (SystemException $e) {
}
}
}
}
$tar->close();
// assign package name
WCF::getTPL()->assign(array('setupPackageName' => self::$setupPackageName));
}
/**
* Tries to download a package from available update servers.
*
* @param string $package package identifier
* @param array $packageUpdateVersions package update versions
* @return string tmp filename of a downloaded package
*/
protected function downloadPackage($package, $packageUpdateVersions) {
// get download from cache
if ($filename = $this->getCachedDownload($package, $packageUpdateVersions[0]['package'])) {
return $filename;
}
// download file
$authorizationRequiredException = array();
$systemExceptions = array();
foreach ($packageUpdateVersions as $packageUpdateVersion) {
try {
// get auth data
$authData = $this->getAuthData($packageUpdateVersion);
// send request
// TODO: Use HTTPRequest
if (!empty($packageUpdateVersion['file'])) {
$response = PackageUpdateDispatcher::getInstance()->sendRequest($packageUpdateVersion['file'], array(), $authData);
}
else {
$response = PackageUpdateDispatcher::getInstance()->sendRequest($packageUpdateVersion['server'], array('packageName' => $packageUpdateVersion['package'], 'packageVersion' => $packageUpdateVersion['packageVersion']), $authData);
}
// check response
// check http code
if ($response['httpStatusCode'] == 401) {
throw new PackageUpdateAuthorizationRequiredException($packageUpdateVersion['packageUpdateServerID'], (!empty($packageUpdateVersion['file']) ? $packageUpdateVersion['file'] : $packageUpdateVersion['server']), $response);
}
if ($response['httpStatusCode'] != 200) {
throw new SystemException(WCF::getLanguage()->get('wcf.acp.packageUpdate.error.downloadFailed', array('$package' => $package)) . ' ('.$response['httpStatusLine'].')');
}
// write content to tmp file
$filename = FileUtil::getTemporaryFilename('package_');
$file = new File($filename);
$file->write($response['content']);
$file->close();
unset($response['content']);
// test package
$archive = new PackageArchive($filename);
$archive->openArchive();
$archive->getTar()->close();
// cache download in session
PackageUpdateDispatcher::getInstance()->cacheDownload($package, $packageUpdateVersion['packageVersion'], $filename);
return $filename;
}
catch (PackageUpdateAuthorizationRequiredException $e) {
$authorizationRequiredException[] = $e;
}
catch (SystemException $e) {
$systemExceptions[] = $e;
}
}
if (!empty($authorizationRequiredException)) {
throw array_shift($authorizationRequiredException);
}
if (!empty($systemExceptions)) {
throw array_shift($systemExceptions);
}
return false;
}
