/**
* Returns KunenaAttachment object.
*
* @param int $identifier The attachment to load - Can be only an integer.
* @param bool $reload
*
* @return KunenaAttachment
*/
static public function get($identifier = null, $reload = false)
{
if ($identifier instanceof KunenaAttachment)
{
return $identifier;
}
$id = (int) $identifier;
if ($id < 1)
{
return new KunenaAttachment;
}
if (empty(self::$_instances[$id]))
{
$instance = new KunenaAttachment;
// Only load messages which haven't been preloaded before (including missing ones).
$instance->load(!array_key_exists($id, self::$_instances) ? $id : null);
$instance->id = $id;
self::$_instances[$id] = $instance;
}
elseif ($reload)
{
self::$_instances[$id]->load();
}
return self::$_instances[$id];
}
/**
* @param int $tmpid
* @param string $postvar
* @param null $catid
*
* @return bool
*/
public function uploadAttachment($tmpid, $postvar, $catid = null)
{
$attachment = new KunenaAttachment();
$attachment->userid = $this->userid;
$success = $attachment->upload($postvar, $catid);
$this->_attachments_add[$tmpid] = $attachment;
return $success;
}
/**
* Upload files with AJAX.
*
* @throws RuntimeException
*/
public function upload()
{
// Only support JSON requests.
if ($this->input->getWord('format', 'html') != 'json') {
throw new RuntimeException(JText::_('Bad Request'), 400);
}
$upload = KunenaUpload::getInstance();
// We are converting all exceptions into JSON.
try {
if (!JSession::checkToken('request')) {
throw new RuntimeException(JText::_('Forbidden'), 403);
}
$me = KunenaUserHelper::getMyself();
$catid = $this->input->getInt('catid', 0);
$mesid = $this->input->getInt('mesid', 0);
if ($mesid) {
$message = KunenaForumMessageHelper::get($mesid);
$message->tryAuthorise('attachment.create');
$category = $message->getCategory();
} else {
$category = KunenaForumCategoryHelper::get($catid);
// TODO: Some room for improvements in here... (maybe ask user to pick up category first)
if ($category->id) {
if (stripos($this->input->getString('mime'), 'image/') !== false) {
$category->tryAuthorise('topic.post.attachment.createimage');
} else {
$category->tryAuthorise('topic.post.attachment.createfile');
}
}
}
$caption = $this->input->getString('caption');
$options = array('filename' => $this->input->getString('filename'), 'size' => $this->input->getInt('size'), 'mime' => $this->input->getString('mime'), 'hash' => $this->input->getString('hash'), 'chunkStart' => $this->input->getInt('chunkStart', 0), 'chunkEnd' => $this->input->getInt('chunkEnd', 0));
// Upload!
$upload->addExtensions(KunenaAttachmentHelper::getExtensions($category->id, $me->userid));
$response = (object) $upload->ajaxUpload($options);
if (!empty($response->completed)) {
// We have it all, lets create the attachment.
$uploadFile = $upload->getProtectedFile();
list($basename, $extension) = $upload->splitFilename();
$attachment = new KunenaAttachment();
$attachment->bind(array('mesid' => 0, 'userid' => (int) $me->userid, 'protected' => null, 'hash' => $response->hash, 'size' => $response->size, 'folder' => null, 'filetype' => $response->mime, 'filename' => null, 'filename_real' => $response->filename, 'caption' => $caption));
// Resize image if needed.
if ($attachment->isImage()) {
$imageInfo = KunenaImage::getImageFileProperties($uploadFile);
$config = KunenaConfig::getInstance();
if ($imageInfo->width > $config->imagewidth || $imageInfo->height > $config->imageheight) {
// Calculate quality for both JPG and PNG.
$quality = $config->imagequality;
if ($quality < 1 || $quality > 100) {
$quality = 70;
}
if ($imageInfo->type == IMAGETYPE_PNG) {
$quality = intval(($quality - 1) / 10);
}
$image = new KunenaImage($uploadFile);
$image = $image->resize($config->imagewidth, $config->imageheight, false);
$options = array('quality' => $quality);
$image->toFile($uploadFile, $imageInfo->type, $options);
unset($image);
$attachment->hash = md5_file($uploadFile);
$attachment->size = filesize($uploadFile);
}
}
$attachment->saveFile($uploadFile, $basename, $extension, true);
// Set id and override response variables just in case if attachment was modified.
$response->id = $attachment->id;
$response->hash = $attachment->hash;
$response->size = $attachment->size;
$response->mime = $attachment->filetype;
$response->filename = $attachment->filename_real;
}
} catch (Exception $response) {
$upload->cleanup();
// Use the exception as the response.
}
header('Content-type: application/json');
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
while (@ob_end_clean()) {
}
echo $upload->ajaxResponse($response);
jexit();
}
