/**
* Method to delete referenced data of an item.
*
* @param mixed $pk An primary key value to delete.
*
* @return boolean
*/
public function deleteReferences($pk = null)
{
if (empty($this->id) || $this->id != $pk) {
if (!$this->load($pk)) {
return false;
}
}
// Delete the physical file
$path = PFrepoHelper::getFilePath($this->file_name, $this->dir_id);
if (!empty($path)) {
JFile::delete($path . '/' . $this->file_name);
}
// Delete the revisions folder
$path = PFrepoHelper::getBasePath($this->project_id) . '/_revs/file_' . (int) $pk;
if (JFolder::exists($path)) {
JFolder::delete($path);
}
// Delete revisions
$query = $this->_db->getQuery(true);
$query->clear()->delete('#__pf_repo_file_revs')->where('parent_id = ' . (int) $pk);
$this->_db->setQuery($query);
$this->_db->execute();
}
/**
* Method to get item data.
*
* @param integer The id of the item.
* @return mixed Menu item data object on success, false on failure.
*/
public function &getItem($pk = null)
{
// Initialise variables.
$pk = !empty($pk) ? $pk : (int) $this->getState($this->getName() . '.id');
if ($this->_item === null) {
$this->_item = array();
}
// Check cache
if (isset($this->_item[$pk])) {
return $this->_item[$pk];
}
try {
$db = $this->getDbo();
$query = $db->getQuery(true);
$query->select($this->getState('item.select', 'a.id, a.asset_id, a.project_id, a.title, a.alias, a.description, ' . 'a.created, a.created_by, a.modified, a.modified_by, a.checked_out, a.checked_out_time, ' . 'a.attribs, a.access, a.file_name, a.file_extension, a.file_size, a.dir_id'));
$query->from('#__pf_repo_files AS a');
// Join on project table.
$query->select('p.title AS project_title, p.alias AS project_alias');
$query->join('LEFT', '#__pf_projects AS p on p.id = a.project_id');
// Join on directories table.
$query->select('d.title AS dir_title, d.alias AS dir_alias, d.path');
$query->join('LEFT', '#__pf_repo_dirs AS d on d.id = a.dir_id');
// Join on user table.
$query->select('u.name AS author');
$query->join('LEFT', '#__users AS u on u.id = a.created_by');
$query->where('a.id = ' . (int) $pk);
$db->setQuery($query);
$item = $db->loadObject();
if ($error = $db->getErrorMsg()) {
throw new Exception($error);
}
if (empty($item)) {
return JError::raiseError(404, JText::_('COM_PROJECTFORK_ERROR_FILE_NOT_FOUND'));
}
// Convert parameter fields to objects.
$registry = new JRegistry();
$registry->loadString($item->attribs);
$params = $this->getState('params');
if ($params) {
$item->params = clone $this->getState('params');
$item->params->merge($registry);
} else {
$item->params = $registry;
}
// Get the pyhsical location
$item->physical_path = PFrepoHelper::getFilePath($item->file_name, $item->dir_id);
// Generate slugs
$item->slug = $item->alias ? $item->id . ':' . $item->alias : $item->id;
$item->project_slug = $item->project_alias ? $item->project_id . ':' . $item->project_alias : $item->project_id;
$item->dir_slug = $item->dir_alias ? $item->dir_id . ':' . $item->dir_alias : $item->dir_id;
// Compute selected asset permissions.
$user = JFactory::getUser();
$uid = $user->get('id');
$access = PFrepoHelper::getActions('file', $item->id);
$view_access = true;
if ($item->access && !$user->authorise('core.admin')) {
$view_access = in_array($item->access, $user->getAuthorisedViewLevels());
}
$item->params->set('access-view', $view_access);
if (!$view_access) {
$item->params->set('access-edit', false);
$item->params->set('access-change', false);
} else {
// Check general edit permission first.
if ($access->get('core.edit')) {
$item->params->set('access-edit', true);
} elseif (!empty($uid) && $access->get('core.edit.own')) {
// Check for a valid user and that they are the owner.
if ($uid == $item->created_by) {
$item->params->set('access-edit', true);
}
}
// Check edit state permission.
$item->params->set('access-change', $access->get('core.edit.state'));
}
$this->_item[$pk] = $item;
} catch (JException $e) {
if ($e->getCode() == 404) {
// Need to go thru the error handler to allow Redirect to work.
JError::raiseError(404, $e->getMessage());
} else {
$this->setError($e);
$this->_item[$pk] = false;
}
}
return $this->_item[$pk];
}
public function download()
{
$id = JRequest::getUInt('id');
$rev = JRequest::getUInt('rev');
$link_base = 'index.php?option=' . $this->option . '&view=';
$link_list = $link_base . $this->view_list . $this->getRedirectToListAppend();
$user = JFactory::getUser();
$levels = $user->getAuthorisedViewLevels();
$admin = $user->authorise('core.admin', 'com_pfrepo');
$file_model = $this->getModel();
$file = $file_model->getItem($id);
if (empty($id) || !$file || empty($file->id)) {
$this->setError(JText::_('COM_PROJECTFORK_ERROR_FILE_NOT_FOUND'));
$this->setMessage($this->getError(), 'error');
$this->setRedirect(JRoute::_($link_list, false));
return false;
}
// Check file access
if (!$admin && !in_array($file->access, $levels)) {
$this->setError(JText::_('JERROR_ALERTNOAUTHOR'));
$this->setMessage($this->getError(), 'error');
$this->setRedirect(JRoute::_($link_list, false));
return false;
}
if ($rev) {
$rev_model = $this->getModel('FileRevision');
$file_rev = $rev_model->getItem($rev);
if (!$file_rev || empty($file_rev->id)) {
$this->setError(JText::_('COM_PROJECTFORK_ERROR_FILE_NOT_FOUND'));
$this->setMessage($this->getError(), 'error');
$this->setRedirect(JRoute::_($link_list, false));
return false;
}
// Check access
if ($file_rev->parent_id != $file->id) {
$this->setError(JText::_('JERROR_ALERTNOAUTHOR'));
$this->setMessage($this->getError(), 'error');
$this->setRedirect(JRoute::_($link_list, false));
return false;
}
$filepath = PFrepoHelper::getBasePath($file->project_id) . '/_revs/file_' . $file->id;
$filename = $file_rev->file_name;
} else {
$filepath = PFrepoHelper::getFilePath($file->file_name, $file->dir_id);
$filename = $file->file_name;
}
// Check if the file exists
if (empty($filepath) || !JFile::exists($filepath . '/' . $filename)) {
$this->setError(JText::_('COM_PROJECTFORK_ERROR_FILE_NOT_FOUND'));
$this->setMessage($this->getError(), 'error');
$this->setRedirect(JRoute::_($link_list, false));
return false;
}
if (headers_sent($f, $line)) {
$this->setError(JText::sprintf('COM_PROJECTFORK_WARNING_FILE_DL_ERROR_HEADERS_SENT', $f, $line));
$this->setMessage($this->getError(), 'error');
$this->setRedirect(JRoute::_($link_list, false));
return false;
}
ob_end_clean();
header("Content-Type: APPLICATION/OCTET-STREAM");
header("Content-Length: " . filesize($filepath . '/' . $filename));
header("Content-Disposition: attachment; filename=\"" . $filename . "\";");
header("Content-Transfer-Encoding: Binary");
if (function_exists('readfile')) {
readfile($filepath . '/' . $filename);
} else {
echo file_get_contents($filepath . '/' . $filename);
}
jexit();
}
/**
* Method to delete a file
*
* @param string $name The file name
* @param integer $dir The dir id to which the file belongs to
*
* @return boolean True on success, otherwise False
*/
public function deleteFile($name, $dir = 0)
{
$path = PFrepoHelper::getFilePath($name, $dir);
if (empty($path)) {
return false;
}
if (JFile::delete($path . '/' . $name) !== true) {
return false;
}
return true;
}
