/**
* Download all key files for the head revision of an item.
*/
public function itemAction()
{
$itemId = $this->getParam('itemId');
if (!isset($itemId)) {
throw new Exception('Must pass an itemId parameter');
}
$item = $this->Item->load($itemId);
if (!$item) {
throw new Zend_Exception('Invalid itemId', 404);
}
if (!$this->Item->policyCheck($item, $this->userSession->Dao)) {
throw new Zend_Exception('Read permission required', 403);
}
$revision = $this->Item->getLastRevision($item);
if (!$revision) {
throw new Zend_Exception('Item must have at least one revision', 404);
}
$this->disableView();
$this->disableLayout();
if (headers_sent()) {
return;
}
$this->_emptyOutputBuffer();
ob_start();
//must start a new buffer for ZipStream to work
$zip = new \ZipStream\ZipStream($item->getName() . '.zip');
$bitstreams = $revision->getBitstreams();
foreach ($bitstreams as $bitstream) {
$zip->addFile($bitstream->getName() . '.md5', $bitstream->getChecksum());
}
$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 */
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;
}
/**
* will download a zip file with the same name as the item name,
* if the item exists, then will exit.
*
* @param type $item
*/
private function _downloadEmptyItem($item)
{
ob_start();
$this->disableView();
if (isset($item) && $item instanceof ItemDao) {
$name = $item->getName();
} else {
$name = 'No_item_selected';
}
$name = substr($name, 0, 50);
if (headers_sent()) {
echo $name;
// this is used in testing mode since we cannot send headers from ZipStream
return;
}
$zip = new \ZipStream\ZipStream($name . '.zip');
$zip->finish();
exit;
}
if (preg_match("/^https?:\\/\\/(img[0-9]+\\.)?imageshack\\.us\\/([a-z]\\/)?img([0-9]+)/", $image->getAttribute("src"))) {
// Only the images using the old Imageshack URLs are retrieved
// Creation of a new zipstream object if it hasnt been created yet
if (!isset($zip)) {
$zip = new ZipStream\ZipStream("imageShackRetriever_" . time() . ".zip");
}
// Modification of the image URL from the olf format to the new one
$imgUrl = preg_replace("/^https?:\\/\\/(img[0-9]+\\.)?imageshack\\.us\\/([a-z]\\/)?img([0-9]+)\\/[0-9]+\\/(.+)\$/", 'http://imageshack.com/download/\\3/\\4', $image->getAttribute("src"));
// Replacement of all special characters on the filename by an underscore
$fileName = preg_replace("/[^a-z0-9\\._-]/", "_", strtolower(basename($imgUrl)));
// If $prefixImageIndex is True, the image filename will have its position in the source page as a prefix
if ($prefixImageIndex) {
$fileName = $i . "-" . $fileName;
}
// Retrieval of the image
$img = file_get_contents($imgUrl);
// Adding the image to the Zip file
$zip->addFile($fileName, $img);
unset($img);
$i++;
}
}
if ($i == 1) {
//
echo "<span style='color: red;'>No Imageshack images have been found on the page.</span>";
} elseif (isset($zip)) {
// At least one image was found and zipped, once $zip-finish() is executed the script ends
$zip->finish();
}
}
echo "\n</body>\n</html>";
/**
* 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();
}
