/**
* Check the Quota under WPMU. Only needed for this case
*
* @class nggWPMU
* @return bool $result
*/
function check_quota()
{
if (get_site_option('upload_space_check_disabled')) {
return false;
}
if (is_multisite() && nggWPMU::wpmu_enable_function('wpmuQuotaCheck')) {
if ($error = upload_is_user_over_quota(false)) {
nggGallery::show_error(__('Sorry, you have used your space allocation. Please delete some files to upload more files.', 'nggallery'));
return true;
}
}
return false;
}
/**
* Uploads base64 file to a gallery
* @param int|stdClass|C_Gallery $gallery
* @param $data base64-encoded string of data representing the image
* @param type $filename specifies the name of the file
* @return C_Image
*/
function upload_base64_image($gallery, $data, $filename = FALSE)
{
$settings = C_NextGen_Settings::get_instance();
$memory_limit = intval(ini_get('memory_limit'));
if ($memory_limit < 256) {
@ini_set('memory_limit', '256M');
}
$retval = NULL;
if ($gallery_id = $this->object->_get_gallery_id($gallery)) {
// Ensure that there is capacity available
require_once ABSPATH . 'wp-admin/includes/ms.php';
if (is_multisite() && nggWPMU::wpmu_enable_function('wpmuQuotaCheck')) {
if (upload_is_user_over_quota(FALSE)) {
throw new E_NoSpaceAvailableException();
}
}
// Get path information. The use of get_upload_abspath() might
// not be the best for some drivers. For example, if using the
// WordPress Media Library for uploading, then the wp_upload_bits()
// function should perhaps be used
$upload_dir = $this->object->get_upload_abspath($gallery);
// Perhaps a filename was given instead of base64 data?
if ($data[0] == '/' && @file_exists($data)) {
if (!$filename) {
$filename = basename($data);
}
$data = file_get_contents($data);
}
// Determine filenames
$filename = $filename ? sanitize_title_with_dashes($filename) : uniqid('nextgen-gallery');
if (preg_match("/\\-(png|jpg|gif|jpeg)\$/i", $filename, $match)) {
$filename = str_replace($match[0], '.' . $match[1], $filename);
}
$abs_filename = path_join($upload_dir, $filename);
// Create the database record
$factory = $this->object->get_registry()->get_utility('I_Component_Factory');
$retval = $image = $factory->create('image');
$image->alttext = sanitize_title_with_dashes(basename($filename, '.' . pathinfo($filename, PATHINFO_EXTENSION)));
$image->galleryid = $this->object->_get_gallery_id($gallery);
$image->filename = $filename;
$image_key = $this->object->_image_mapper->get_primary_key_column();
// If we can't write to the directory, then there's no point in continuing
if (!@file_exists($upload_dir)) {
@wp_mkdir_p($upload_dir);
}
if (!is_writable($upload_dir)) {
throw new E_InsufficientWriteAccessException(FALSE, $upload_dir, FALSE);
}
// Save the image
if ($image_id = $this->object->_image_mapper->save($image)) {
try {
// Try writing the image
if (!@file_exists($upload_dir)) {
wp_mkdir_p($upload_dir);
}
$fp = fopen($abs_filename, 'w');
fwrite($fp, $data);
fclose($fp);
if ($settings->imgBackup) {
$this->object->backup_image($image);
}
if ($settings->imgAutoResize) {
$this->object->generate_image_clone($abs_filename, $abs_filename, $this->object->get_image_size_params($image_id, 'full'));
}
// Ensure that fullsize dimensions are added to metadata array
$dimensions = getimagesize($abs_filename);
$full_meta = array('width' => $dimensions[0], 'height' => $dimensions[1]);
if (!isset($image->meta_data) or is_string($image->meta_data) && strlen($image->meta_data) == 0) {
$image->meta_data = array();
}
$image->meta_data = array_merge($image->meta_data, $full_meta);
$image->meta_data['full'] = $full_meta;
// Generate a thumbnail for the image
$this->object->generate_thumbnail($image);
// Set gallery preview image if missing
$this->object->get_registry()->get_utility('I_Gallery_Mapper')->set_preview_image($gallery, $image_id, TRUE);
// Notify other plugins that an image has been added
do_action('ngg_added_new_image', $image);
// delete dirsize after adding new images
delete_transient('dirsize_cache');
// Seems redundant to above hook. Maintaining for legacy purposes
do_action('ngg_after_new_images_added', $gallery_id, array($image->{$image_key}));
} catch (Exception $ex) {
throw new E_InsufficientWriteAccessException(FALSE, $abs_filename, FALSE, $ex);
}
} else {
throw new E_InvalidEntityException();
}
} else {
throw new E_EntityNotFoundException();
}
@ini_set('memory_limit', $memory_limit . 'M');
return $retval;
}
