public function getCopyData($id)
{
// Get params
$params = JComponentHelper::getParams('com_k2');
// Get source item
$source = K2Items::getInstance($id);
// Get source item properties as data array. This array will be the inout to the model.
$data = get_object_vars($source);
// It's a new item so reset some properties
$data['id'] = '';
$data['tmpId'] = uniqid();
$data['title'] = JText::_('K2_COPY_OF') . ' ' . $data['title'];
$data['alias'] = '';
$data['tags'] = json_decode($data['_tags']);
$data['media'] = json_decode($data['_media']);
$data['galleries'] = json_decode($data['_galleries']);
$data['extra_fields'] = json_decode($data['extra_fields']);
$data['metadata'] = $data['metadata']->toString();
$data['plugins'] = $data['plugins']->toString();
$data['params'] = $data['params']->toString();
unset($data['ordering']);
unset($data['featured_ordering']);
// Handle tags
$tagNames = array();
if (is_array($data['tags'])) {
foreach ($data['tags'] as $tag) {
$tagNames[] = $tag->name;
}
}
$data['tags'] = implode(',', $tagNames);
// Handle image
if (isset($data['images']) && is_array($data['images']) && isset($data['images']['src'])) {
// If filesystem is not local then path is the URL
$filesystem = $params->get('filesystem');
$path = $filesystem == 'Local' || !$filesystem ? 'media/k2/items/src/' . $data['images']['src']->id . '.jpg' : $data['images']['src']->url;
$image = K2HelperImages::add('item', null, $path);
$data['image'] = array('id' => '', 'temp' => $image->temp, 'path' => '', 'remove' => 0, 'caption' => $data['image']->caption, 'credits' => $data['image']->credits);
} else {
unset($data['image']);
}
// Handle media
$media = array();
if (is_array($data['media'])) {
foreach ($data['media'] as $key => $entry) {
if ($entry->upload) {
$filesystem = K2FileSystem::getInstance();
if ($filesystem->has('media/k2/media/' . $id . '/' . $entry->upload)) {
$buffer = $filesystem->read('media/k2/media/' . $id . '/' . $entry->upload);
JFile::write(JPATH_SITE . '/tmp/' . $entry->upload, $buffer);
}
}
$newEntry = array();
$newEntry['url'] = $entry->url;
$newEntry['provider'] = $entry->provider;
$newEntry['id'] = $entry->id;
$newEntry['embed'] = $entry->embed;
$newEntry['caption'] = $entry->caption;
$newEntry['credits'] = $entry->credits;
$newEntry['upload'] = $entry->upload;
$newEntry['remove'] = 0;
$media[$key] = $newEntry;
}
}
$data['media'] = $media;
// Handle galleries
$galleries = array();
if (is_array($data['galleries'])) {
foreach ($data['galleries'] as $key => $entry) {
if ($entry->upload) {
$filesystem = K2FileSystem::getInstance();
if ($filesystem->has('media/k2/galleries/' . $id . '/' . $entry->upload)) {
JFolder::create(JPATH_SITE . '/tmp/' . $entry->upload);
$files = $filesystem->listKeys('media/k2/galleries/' . $id . '/' . $entry->upload);
foreach ($files['keys'] as $key) {
if ($filesystem->has($key)) {
$buffer = $filesystem->read($key);
JFile::write(JPATH_SITE . '/tmp/' . $entry->upload . '/' . basename($key), $buffer);
}
}
}
}
$newEntry = array();
$newEntry['url'] = $entry->url;
$newEntry['upload'] = $entry->upload;
$newEntry['remove'] = 0;
$galleries[$key] = $newEntry;
}
}
$data['galleries'] = $galleries;
// Handle attachments
$filesystem = K2FileSystem::getInstance();
$attachmentsModel = K2Model::getInstance('Attachments');
$attachments = array();
$data['attachments'] = $source->getAttachments();
foreach ($data['attachments'] as $key => $attachment) {
// Prepare the data array
$newEntry = array();
$newEntry['id'] = '';
$newEntry['name'] = $attachment->name;
$newEntry['title'] = $attachment->title;
if ($attachment->file) {
$tmpId = uniqid();
if ($filesystem->has('media/k2/attachments/' . $id . '/' . $attachment->file)) {
$buffer = $filesystem->read('media/k2/attachments/' . $id . '/' . $attachment->file);
JFile::write(JPATH_SITE . '/tmp/' . $tmpId . '_' . $attachment->file, $buffer);
}
$newEntry['file'] = $tmpId . '_' . $attachment->file;
}
$newEntry['path'] = $attachment->path;
$newEntry['remove'] = 0;
$attachments[$key] = $newEntry;
}
$data['attachments'] = $attachments;
// Return the input data
return $data;
}
public static function getCategoryImage($category)
{
// Settings
$params = JComponentHelper::getParams('com_k2');
// File system
$filesystem = K2FileSystem::getInstance();
// Initialize value
$image = null;
// Save path
$savepath = self::$paths['category'];
// Value
$value = json_decode($category->image);
if (isset($value->flag) && $value->flag) {
$image = new K2Image();
$image->id = md5('Image' . $category->id);
$image->src = K2FileSystem::getUriRoot(true) . $savepath . '/' . $image->id . '.jpg';
$image->url = K2FileSystem::getUriRoot() . $savepath . '/' . $image->id . '.jpg';
if ($params->get('imageTimestamp')) {
$timestamp = JFactory::getDate($category->modified)->toUnix();
$image->src .= '?t=' . $timestamp;
$image->url .= '?t=' . $timestamp;
}
$image->alt = $value->caption ? $value->caption : $category->title;
$image->caption = $value->caption;
$image->credits = $value->credits;
$image->flag = 1;
} else {
if ($params->get('catImageDefault')) {
$placeholder = self::getPlaceholder('category');
$image = new K2Image();
$image->src = JURI::root(true) . '/' . $placeholder;
$image->url = JURI::root(false) . $placeholder;
$image->alt = $category->title;
$image->caption = '';
$image->credits = '';
$image->flag = 0;
}
}
return $image;
}
public function display($tpl = null)
{
// Get application
$application = JFactory::getApplication();
// Get input
$input = $application->input;
$id = $input->get('id', 0, 'int');
$hash = $input->get('hash', '', 'string');
// Both input fields are required
if (!$id || empty($hash)) {
throw new Exception(JText::_('K2_NOT_FOUND'), 404);
}
// Check hash
if (JApplication::getHash($id) != $hash) {
throw new Exception(JText::_('K2_NOT_FOUND'), 404);
}
// Get model
K2Model::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_k2/models');
$model = K2Model::getInstance('Attachments', 'K2Model');
// Get attachment
$model->setState('id', $id);
$attachment = $model->getRow();
// Get item
$model = K2Model::getInstance('Items', 'K2Model');
$model->setState('id', $attachment->itemId);
$item = $model->getRow();
// If we are on front-end check access verify that user has the permission to download this attachment
if ($application->isSite()) {
$item->checkSiteAccess();
}
// Import K2 plugins
JPluginHelper::importPlugin('k2');
$dispatcher = JDispatcher::getInstance();
// Trigger onK2BeforeDownload event
$dispatcher->trigger('onK2BeforeDownload', array(&$attachment));
// Params
$params = JComponentHelper::getParams('com_k2');
// Custom path flag
$customPathFlag = $params->get('attachmentsFolder') && $params->get('filesystem') == 'Local' ? true : false;
// File system
$filesystem = $customPathFlag ? K2FileSystem::getInstance('Local', $params->get('attachmentsFolder')) : K2FileSystem::getInstance();
// Path
$path = $customPathFlag ? '' : 'media/k2/attachments';
// Determine the key
if ($attachment->file) {
$key = $path . '/' . $attachment->itemId . '/' . $attachment->file;
} else {
if ($attachment->path) {
$key = $attachment->path;
// Since it is a path we need to enforce the local adapter for the file system
$filesystem = K2FileSystem::getInstance('Local');
}
}
// Check if file exists
if (!$filesystem->has($key)) {
throw new Exception(JText::_('K2_NOT_FOUND'), 404);
}
// Update downloads counter
if ($application->isSite()) {
$attachment->track();
}
// Trigger the onK2AfterDownload event
$dispatcher->trigger('onK2AfterDownload', array(&$attachment));
// Read the file
$file = $filesystem->get($key);
$size = $file->getSize();
$content = $file->getContent();
$filename = basename($key);
$finfo = new finfo(FILEINFO_MIME);
$mime = $finfo->buffer($content);
ob_end_clean();
$application->clearHeaders();
$application->setHeader('Pragma', 'public', true);
$application->setHeader('Expires', '0', true);
$application->setHeader('Cache-Control', 'must-revalidate, post-check=0, pre-check=0', true);
$application->setHeader('Content-Type', $mime, true);
$application->setHeader('Content-Disposition', 'attachment; filename=' . $filename . ';', true);
$application->setHeader('Content-Transfer-Encoding', 'binary', true);
$application->setHeader('Content-Length', $size, true);
$application->sendHeaders();
echo $content;
$application->close();
}
public function deleteFile($table)
{
if ($table->file) {
// Params
$params = JComponentHelper::getParams('com_k2');
// Custom path flag
$customPathFlag = $params->get('attachmentsFolder') && $params->get('filesystem') == 'Local' ? true : false;
// File system
$filesystem = $customPathFlag ? K2FileSystem::getInstance('Local', $params->get('attachmentsFolder')) : K2FileSystem::getInstance();
// Path
$path = $customPathFlag ? '' : 'media/k2/attachments';
if ($table->itemId) {
$folder = $table->itemId;
$key = $path . '/' . $folder . '/' . $table->file;
} else {
list($folder, $file) = explode('/', $table->file);
$key = $path . '/' . $folder . '/' . $file;
}
if ($filesystem->has($key)) {
$filesystem->delete($key);
}
$keys = $filesystem->listKeys($path . '/' . $folder . '/');
if (empty($keys['keys']) && $filesystem->has($path . '/' . $folder)) {
$filesystem->delete($path . '/' . $folder);
}
}
}
public static function remove($media, $itemId)
{
// File system
$filesystem = K2FileSystem::getInstance();
foreach ($media as $entry) {
if (isset($entry->upload) && $entry->upload) {
// Key
$mediaKey = 'media/k2/media/' . $itemId . '/' . $entry->upload;
if ($filesystem->has($mediaKey)) {
$filesystem->delete($mediaKey);
}
}
}
return true;
}
public static function update($attachments, $item)
{
// Application
$application = JFactory::getApplication();
// Params
$params = JComponentHelper::getParams('com_k2');
// Session
$session = JFactory::getSession();
// Custom path flag
$customPathFlag = $params->get('attachmentsFolder') && $params->get('filesystem') == 'Local' ? true : false;
// File system
$filesystem = $customPathFlag ? K2FileSystem::getInstance('Local', $params->get('attachmentsFolder')) : K2FileSystem::getInstance();
// Target path
$targetPath = $customPathFlag ? '' : 'media/k2/attachments';
// Uploaded media
$uploadedAttachments = array();
// Item id
$itemId = $item->id;
// Get attachments model
$model = K2Model::getInstance('Attachments');
// Attachment Ids
$attachmentIds = array();
// Ordering
$ordering = 1;
// Iterate over the galleries and transfer the new attachment files from /tmp to /media/k2/attachments
foreach ($attachments as $attachment) {
$attachment = (object) $attachment;
if ($attachment->remove) {
// Delete attachment
if ($attachment->id) {
$model->setState('id', $attachment->id);
$model->delete();
}
} else {
if ($attachment->file) {
// Since we have a file reset the path
$attachment->path = '';
// Target file
$target = $targetPath . '/' . $itemId . '/' . $attachment->file;
// Source file
$source = $application->getCfg('tmp_path') . '/' . $attachment->file;
// Check if the attachment has a new uploaded file
if (JFile::exists($source)) {
// Get the generated unique file name
$uniqueFileName = $attachment->file;
// Convert back the filename
$attachment->file = substr($uniqueFileName, strpos($attachment->file, '_') + 1);
$target = $targetPath . '/' . $itemId . '/' . $attachment->file;
// Ensure we don't override any existing attachments with the same filename
if ($filesystem->has($target)) {
// File exists, roll back the name changes we will keep the generated file name
$attachment->file = $uniqueFileName;
$target = $targetPath . '/' . $itemId . '/' . $attachment->file;
}
// Transfer the file from the temporary folder to the current file system
$buffer = file_get_contents($source);
$filesystem->write($target, $buffer, true);
// Delete the temporary file
JFile::delete($source);
// Remove temporary file from session
$temp = $session->get('k2.attachments', array());
if (($key = array_search($attachment->file, $temp)) !== false) {
unset($temp[$key]);
$session->set('k2.attachments', $temp);
}
}
// Push the attachment to uploaded attachment files array
$uploadedAttachments[] = ltrim($target, '/');
} else {
if ($attachment->path) {
// Since we have a path reset the file
$attachment->file = '';
}
}
// Save attachment
$attachment->ordering = $ordering;
$attachment->itemId = $itemId;
$model->setState('data', (array) $attachment);
if ($model->save()) {
// Push the id of the attachment to the array
$attachmentIds[] = (int) $model->getState('id');
}
$ordering++;
}
}
// Update item table
$item->attachments = json_encode($attachmentIds);
$item->store();
// Iterate over the media files in /media/k2/media and delete those who have been removed by the user
$folderKey = $targetPath . '/' . $itemId . '/';
$folderKey = ltrim($folderKey, '/');
$keys = $filesystem->listKeys($folderKey);
$files = isset($keys['keys']) ? $keys['keys'] : $keys;
foreach ($files as $attachmentKey) {
if ($attachmentKey != $folderKey && !in_array($attachmentKey, $uploadedAttachments) && $filesystem->has($attachmentKey)) {
$filesystem->delete($attachmentKey);
}
}
}
public static function remove($galleries, $itemId)
{
// File system
$filesystem = K2FileSystem::getInstance();
foreach ($galleries as $gallery) {
if (isset($gallery->upload) && $gallery->upload) {
// Key
$galleryKey = 'media/k2/galleries/' . $itemId . '/' . $gallery->upload;
if ($filesystem->has($galleryKey)) {
$files = $filesystem->listKeys($galleryKey);
foreach ($files['keys'] as $key) {
if ($filesystem->has($key)) {
$filesystem->delete($key);
}
}
$filesystem->delete($galleryKey);
}
}
}
return true;
}