/**
* send_zip
*
* takes array of full paths to medias
* zips them and sends them
*
* @param string $name name of the zip file to be created
* @param array $media_files array of full paths to medias to zip create w/ call to get_media_files
*/
function send_zip($name, $media_files)
{
/* Require needed library */
require_once AmpConfig::get('prefix') . '/modules/ZipStream/ZipStream.php';
$arc = new ZipStream\ZipStream($name . ".zip");
$options = array('comment' => AmpConfig::get('file_zip_comment'));
foreach ($media_files as $dir => $files) {
foreach ($files as $file) {
$arc->addFileFromPath($dir . "/" . basename($file), $file, $options);
}
}
$arc->finish();
}
/** Download remote script action. */
public function downloadAction()
{
while (ob_get_level() > 0) {
ob_end_clean();
}
$this->requireAdminPrivileges();
$this->disableLayout();
$this->disableView();
ob_start();
$zip = new \ZipStream\ZipStream('RemoteScript.zip');
$file = BASE_PATH . '/modules/remoteprocessing/remotescript/main.py';
$zip->addFileFromPath(basename($file), $file);
$file = BASE_PATH . '/modules/remoteprocessing/remotescript/config.cfg';
$zip->addFileFromPath(basename($file), $file);
$dirname = BASE_PATH . '/modules/remoteprocessing/remotescript/pydas/';
$dir = opendir($dirname);
while ($file = readdir($dir)) {
if ($file != '.' && $file != '..' && !is_dir($dirname . $file)) {
$zip->addFileFromPath('pydas/' . basename($dirname . $file), $dirname . $file);
}
}
$zip->finish();
exit;
}
/**
* send_zip
*
* takes array of full paths to medias
* zips them and sends them
*
* @param string $name name of the zip file to be created
* @param array $media_files array of full paths to medias to zip create w/ call to get_media_files
*/
function send_zip($name, $media_files)
{
/* Require needed library */
if (!@(include_once AmpConfig::get('prefix') . '/lib/vendor/maennchen/zipstream-php/src/ZipStream.php')) {
throw new Exception('Missing ZipStream dependency.');
}
$arc = new ZipStream\ZipStream($name . ".zip");
$options = array('comment' => AmpConfig::get('file_zip_comment'));
foreach ($media_files as $dir => $files) {
foreach ($files as $file) {
$arc->addFileFromPath($dir . "/" . basename($file), $file, $options);
}
}
$arc->finish();
}
/**
* Index action.
*
* @param folders = 12-13 (will download a zip of the folder 12 and 13, recursively)
* @param folders = 12, 1-13, 1 (will download a zip of the folder 12 and 13, recursively) // Need testing
* @param items = 12-13 (will download a zip containing the last revisions of the items 12 and 13)
* @param items = 12, 1-13 (will download a zip containing the revision 1 of item 12 and last revision of item 13)
* @param items = 12, 1 (will download the revision 1 of the item 12, a zip if there are multiple bitstream or simply the file)
* @param bitstream = 1 (will download related bitstream)
* @param offset The offset in bytes if downloading a bitstream (defaults to 0)
* @param name Alternate filename when downloading a bitstream (defaults to bitstream name)
* @throws Zend_Exception
*/
public function indexAction()
{
$this->disableLayout();
$itemIds = $this->getParam('items');
$folderIds = $this->getParam('folders');
$bitsreamid = $this->getParam('bitstream');
$sessionUser = $this->userSession->Dao;
$testingMode = Zend_Registry::get('configGlobal')->environment == 'testing';
if ($sessionUser != null) {
// Make sure this is a copy and not a reference
$sessionUser = $this->User->load($sessionUser->getKey());
} else {
// see if module can authenticate with a special parameter
$authToken = $this->getParam('authToken');
if (isset($authToken)) {
$responses = Zend_Registry::get('notifier')->callback('CALLBACK_CORE_PARAMETER_AUTHENTICATION', array('authToken' => $authToken));
foreach ($responses as $user) {
$sessionUser = $user;
break;
}
}
}
$offset = $this->getParam('offset');
if (!isset($offset)) {
$offset = 0;
}
if (isset($bitsreamid) && is_numeric($bitsreamid)) {
$name = $this->getParam('name');
$bitstream = $this->Bitstream->load($bitsreamid);
if (!$bitstream) {
throw new Zend_Exception('Invalid bitstream id', 404);
}
if (isset($name)) {
$bitstream->setName($name);
// don't save name, just set it on this dao
}
$revision = $bitstream->getItemrevision();
$item = $revision->getItem();
if ($item == false || !$this->Item->policyCheck($item, $sessionUser)) {
throw new Zend_Exception('Permission denied');
}
$this->Component->DownloadBitstream->download($bitstream, $offset, true);
return;
}
if (!isset($itemIds) && !isset($folderIds)) {
throw new Zend_Exception('No parameters, expecting itemIds or folderIds.');
}
$folderIds = explode('-', $folderIds);
$folders = $this->Folder->load($folderIds);
$item = null;
$itemIds = explode('-', $itemIds);
$revisions = array();
if (!empty($itemIds)) {
foreach ($itemIds as $itemId) {
// check revision
$tmp = explode(',', $itemId);
if (empty($tmp[0])) {
continue;
}
$item = $this->Item->load($tmp[0]);
if (!$item) {
throw new Zend_Exception('Item does not exist: ' . $tmp[0], 404);
}
if (!$this->Item->policyCheck($item, $sessionUser)) {
throw new Zend_Exception('Read permission required on item ' . $tmp[0], 403);
}
if (isset($tmp[1])) {
$tmp = $this->Item->getRevision($item, $tmp[1]);
if ($tmp !== false) {
$revisions[] = $tmp;
}
} else {
$tmp = $this->Item->getLastRevision($item);
if ($tmp !== false) {
$revisions[] = $tmp;
}
}
}
}
if (empty($folders) && empty($revisions)) {
// download an empty zip with the name of item (if it exists), then exit
$this->_downloadEmptyItem($item);
} elseif (empty($folders) && count($revisions) == 1) {
$revision = $revisions[0];
$bitstreams = $revision->getBitstreams();
if ($testingMode) {
$bitstreams = array($bitstreams[0]);
}
if (count($bitstreams) == 0) {
// download an empty zip with the name of item (if it exists), then exit
$this->Item->incrementDownloadCount($revision->getItem());
$this->_downloadEmptyItem($revision->getItem());
} elseif (count($bitstreams) == 1) {
if (preg_match('/^https?:\\/\\//', $bitstreams[0]->getPath())) {
$this->redirect($bitstreams[0]->getPath());
return;
}
$this->disableView();
$this->Component->DownloadBitstream->testingmode = $testingMode;
$this->Component->DownloadBitstream->download($bitstreams[0], $offset, true);
} else {
ob_start();
$this->_helper->viewRenderer->setNoRender();
$name = $revision->getItem()->getName();
$name = substr($name, 0, 50);
session_write_close();
// unlock session writing for concurrent access
$zip = new \ZipStream\ZipStream($name . '.zip');
foreach ($bitstreams as $bitstream) {
$filename = $bitstream->getName();
$path = $bitstream->getAssetstore()->getPath() . '/' . $bitstream->getPath();
Zend_Registry::get('dbAdapter')->closeConnection();
$zip->addFileFromPath($filename, $path);
}
$zip->finish();
$this->Item->incrementDownloadCount($revision->getItem());
exit;
}
} else {
$this->_helper->viewRenderer->setNoRender();
if (count($folders) == 1 && empty($revisions)) {
$name = $folders[0]->getName();
$name = substr($name, 0, 50);
$rootFolder = $this->Folder->getRoot($folders[0]);
if ($rootFolder) {
// Find the Community or the User which have the folder
$rootCom = $this->Community->getByFolder($rootFolder);
if (!$rootCom) {
$user = $this->User->getByFolder($rootFolder);
$name = $user->getFirstname() . $user->getLastname() . '-' . $name;
} else {
$name = $rootCom->getName() . '-' . $name;
}
}
} else {
$name = 'Custom';
}
session_write_close();
// unlock session writing for concurrent access
ob_start();
$zip = new \ZipStream\ZipStream($name . '.zip');
UtilityComponent::disableMemoryLimit();
foreach ($revisions as $revision) {
$item = $revision->getItem();
$bitstreams = $revision->getBitstreams();
$count = count($bitstreams);
foreach ($bitstreams as $bitstream) {
if ($count > 1 || $bitstream->getName() != $item->getName()) {
$path = $item->getName() . '/';
} else {
$path = '';
}
$filename = $path . $bitstream->getName();
$fullpath = $bitstream->getAssetstore()->getPath() . '/' . $bitstream->getPath();
Zend_Registry::get('dbAdapter')->closeConnection();
$zip->addFileFromPath($filename, $fullpath);
}
$this->Item->incrementDownloadCount($item);
unset($item);
unset($bitstreams);
}
foreach ($folders as $folder) {
if (!$this->Folder->policyCheck($folder, $sessionUser)) {
continue;
}
$this->Folder->zipStream($zip, $folder->getName(), $folder, $sessionUser);
}
$zip->finish();
exit;
}
}
