/**
* Method to submit the downloads file to the browser.
*
*
* @return null
*/
public function send()
{
global $jlistConfig;
jimport('joomla.environment.uri');
$jinput = JFactory::getApplication()->input;
$app = JFactory::getApplication();
$params = $app->getParams();
$user = JFactory::getUser();
$groups = implode(',', $user->getAuthorisedViewLevels());
$db = JFactory::getDBO();
$config = array('ignore_request' => true);
$model = $this->getModel('send', 'jdownloadsModel', $config);
$user_rules = JDHelper::getUserRules();
clearstatcache();
$active = $app->getMenu()->getActive();
if ($active) {
$current_link = $active->link;
} else {
$current_link = JRoute::_(JUri::current() . '?option=com_jdownloads');
}
// abort when downloads are offline
if ($jlistConfig['offline']) {
$msg = JDHelper::getOnlyLanguageSubstring($jlistConfig['offline.text']);
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
$allow = false;
$extern = false;
$extern_site = false;
$can_download = false;
$aup_exist = false;
$profile = '';
// Which file types shall be viewed in browser
$view_types = array();
$view_types = explode(',', $jlistConfig['file.types.view']);
// get request data
$cat_id = $db->escape($jinput->get('catid', 0, 'int'));
$file_id = $db->escape($jinput->get('id', 0, 'int'));
$mirror = $db->escape($jinput->get('m', 0, 'int'));
$files_list = $db->escape($jinput->get('list', '', 'string'));
$zip_file = $db->escape($jinput->get('user', 0, 'cmd'));
// get session data
$stored_random_id = (int) JDHelper::getSessionDecoded('jd_random_id');
$stored_file_id = (int) JDHelper::getSessionDecoded('jd_fileid');
$stored_cat_id = (int) JDHelper::getSessionDecoded('jd_catid');
$stored_files_list = JDHelper::getSessionDecoded('jd_list');
// compare and check it
if ($cat_id > 0 && $cat_id != $stored_cat_id || $file_id > 0 && $file_id != $stored_file_id || $zip_file > 0 && $zip_file != $stored_random_id || $files_list != '' && $files_list != $stored_files_list) {
// perhaps use it a direct download option
$this->items = $model->getItems($file_id);
if ($this->items) {
$this->state = $model->getState();
$sum_selected_files = $this->state->get('sum_selected_files');
$sum_selected_volume = $this->state->get('sum_selected_volume');
$sum_files_prices = $this->state->get('sum_files_prices');
$must_confirm_license = $this->state->get('must_confirm_license');
$directlink = $this->state->get('directlink_used');
$marked_files_id = $this->state->get('download.marked_files.id');
// check the permission access for direct download option
$within_the_user_limits = JDHelper::checkDirectDownloadLimits($cat_id, $file_id, $files_list, $user_rules, $sum_selected_files, $sum_selected_volume);
if ($within_the_user_limits !== true) {
// user has his limits reached or not enough points
$msg = JText::_($within_the_user_limits);
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
} else {
// invalid data found / url manipulations?
$msg = JText::_('COM_JDOWNLOADS_INVALID_DOWNLOAD_DATA_MSG');
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
}
// check leeching
if ($is_leeching = JDHelper::useAntiLeeching()) {
// download stopped - view hint
$msg = JText::_('COM_JDOWNLOADS_ANTILEECH_MSG') . ' ' . JText::_('COM_JDOWNLOADS_ANTILEECH_MSG2');
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
if ($zip_file) {
// user has selected more as a single file
$zip_file = $jlistConfig['zipfile.prefix'] . $zip_file . '.zip';
$filename = $jlistConfig['files.uploaddir'] . '/' . $jlistConfig['tempzipfiles.folder.name'] . '/' . $zip_file;
if (!file_exists($filename)) {
// download stopped - zip file not found
$msg = JText::_('COM_JDOWNLOADS_FILE_NOT_FOUND') . ': ' . basename($zip_file);
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
}
// download action check (not for uncategorized)
if ($cat_id > 1) {
// If the category has been passed in the data or URL check it.
$allow = $user->authorise('download', 'com_jdownloads.category.' . $cat_id);
if ($file_id && $allow) {
// If the category has been passed in the data or URL check it.
$allow = $user->authorise('download', 'com_jdownloads.download.' . $file_id);
}
} else {
if ($file_id) {
// If the category has been passed in the data or URL check it.
$allow = $user->authorise('download', 'com_jdownloads.download.' . $file_id);
}
}
if (!$allow) {
// download stopped - user has not the right to download it
$msg = JText::_('COM_JDOWNLOADS_DOWNLOAD_NOT_ALLOWED_MSG');
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
$transfer_speed = (int) $user_rules->transfer_speed_limit_kb;
if ($jlistConfig['use.alphauserpoints']) {
// get AUP user info
$api_AUP = JPATH_SITE . DS . 'components' . DS . 'com_alphauserpoints' . DS . 'helper.php';
if (file_exists($api_AUP) && !$user->guest) {
require_once $api_AUP;
$aup_exist = true;
// get user profile data from AUP
$profile = AlphaUserPointsHelper::getUserInfo('', $user->id);
// get standard points value from AUP
$db->setQuery("SELECT points FROM #__alpha_userpoints_rules WHERE published = 1 AND plugin_function = 'plgaup_jdownloads_user_download'");
$aup_fix_points = floatval($db->loadResult());
//$aup_fix_points = JDHelper::strToNumber($aup_fix_points);
}
}
// build a array with IDs
$files_arr = explode(',', $files_list);
// get the files data for multi or single download
$query = $db->getQuery(true);
$query->select('a.*');
$query->from('#__jdownloads_files AS a');
// Join on category table.
$query->select('c.title AS category_title, c.id AS category_id, c.cat_dir AS category_cat_dir, c.cat_dir_parent AS category_cat_dir_parent');
$query->join('LEFT', '#__jdownloads_categories AS c on c.id = a.cat_id');
// Join on license table.
$query->select('l.title AS license_title');
$query->join('LEFT', '#__jdownloads_licenses AS l on l.id = a.license');
$query->where('(a.published = ' . $db->Quote('1') . ')');
if ($files_list) {
$query->where('a.file_id IN (' . $files_list . ')');
} else {
$query->where('a.file_id = ' . $db->Quote($file_id));
}
// Filter by access level so when we get not a result this user has not the access to view it
$query->where('a.access IN (' . $groups . ')');
$query->where('c.access IN (' . $groups . ')');
$db->setQuery($query);
$files = $db->loadObjectList();
if (!$files) {
// invalid data or user has not really the access
$msg = JText::_('COM_JDOWNLOADS_DATA_NOT_FOUND');
$app->redirect(JRoute::_($current_link), $msg, 'error');
}
// When we have a regged user, we must check whether he downloads the file in parts.
// If so, we may only once write the download data in log and compute the AUP etc.
$download_in_parts = JDHelper::getLastDownloadActivity($user->id, $files_list, $file_id, $user_rules->download_limit_after_this_time);
if (count($files) > 1) {
// mass download
if (!$download_in_parts) {
// add AUP points
if ($jlistConfig['use.alphauserpoints'] && $aup_exist) {
if ($jlistConfig['use.alphauserpoints.with.price.field']) {
$db->setQuery("SELECT SUM(price) FROM #__jdownloads_files WHERE file_id IN ({$files_list})");
$sum_points = (int) $db->loadResult();
if ($profile->points >= $sum_points) {
foreach ($files as $aup_data) {
$db->setQuery("SELECT price FROM #__jdownloads_files WHERE file_id = '{$aup_data->file_id}'");
if ($price = floatval($db->loadResult())) {
$can_download = JDHelper::setAUPPointsDownloads($user->id, $aup_data->file_title, $aup_data->file_id, $price, $profile);
}
}
}
} else {
// use fix points
$sum_points = $aup_fix_points * count($files_arr);
if ($profile->points >= $sum_points) {
foreach ($files as $aup_data) {
$can_download = JDHelper::setAUPPointsDownloads($user->id, $aup_data->file_title, $aup_data->file_id, 0, $profile);
}
} else {
$can_download = false;
}
}
} else {
// no AUP active
$can_download = true;
}
if ($jlistConfig['user.can.download.file.when.zero.points'] && !$user->guest) {
$can_download = true;
}
} else {
$can_download = true;
}
} else {
// single download
// we must be ensure that the user cannot skiped special options or settings
// check at first the password option
if ($files[0]->password_md5 != '') {
// captcha is activated for this user
$session_result = (int) JDHelper::getSessionDecoded('jd_password_run');
if ($session_result < 2) {
// Abort !!!
$msg = JText::_('COM_JDOWNLOADS_ANTILEECH_MSG');
$app->redirect(JRoute::_($current_link), $msg, 'error');
} else {
JDHelper::writeSessionEncoded('0', 'jd_password_run');
}
} else {
// when is not use a password, we must check captcha
if ($user_rules->view_captcha) {
// captcha is activated for this user
$session_result = (int) JDHelper::getSessionDecoded('jd_captcha_run');
if ($session_result < 2) {
// Abort !!!
$msg = JText::_('COM_JDOWNLOADS_ANTILEECH_MSG');
$app->redirect(JRoute::_($current_link), $msg, 'error');
} else {
JDHelper::writeSessionEncoded('0', 'jd_captcha_run');
}
}
}
if (!$mirror) {
if ($files[0]->url_download) {
// build the complete category path
if ($files[0]->cat_id > 1) {
// Download has a category
if ($files[0]->category_cat_dir_parent != '') {
$cat_dir = $files[0]->category_cat_dir_parent . '/' . $files[0]->category_cat_dir;
} else {
$cat_dir = $files[0]->category_cat_dir;
}
$filename = $jlistConfig['files.uploaddir'] . '/' . $cat_dir . '/' . $files[0]->url_download;
$filename_direct = $jlistConfig['files.uploaddir'] . '/' . $cat_dir . '/' . $files[0]->url_download;
} else {
// Download is 'uncategorized'
$filename = $jlistConfig['files.uploaddir'] . '/' . $jlistConfig['uncategorised.files.folder.name'] . '/' . $files[0]->url_download;
}
} elseif ($files[0]->other_file_id) {
// A file from another Download was assigned
$query = $db->getQuery(true);
$query->select('a.*');
$query->from('#__jdownloads_files AS a');
// Join on category table.
$query->select('c.id AS category_id, c.cat_dir AS category_cat_dir, c.cat_dir_parent AS category_cat_dir_parent');
$query->join('LEFT', '#__jdownloads_categories AS c on c.id = a.cat_id');
$query->where('a.published = ' . $db->Quote('1'));
$query->where('a.file_id = ' . $db->Quote($files[0]->other_file_id));
$query->where('a.access IN (' . $groups . ')');
$db->setQuery($query);
$other_file_data = $db->loadObject();
if ($other_file_data->cat_id > 1) {
// the assigned Download has a category
if ($other_file_data->category_cat_dir_parent != '') {
$cat_dir = $other_file_data->category_cat_dir_parent . '/' . $other_file_data->category_cat_dir;
} else {
$cat_dir = $other_file_data->category_cat_dir;
}
$filename = $jlistConfig['files.uploaddir'] . '/' . $cat_dir . '/' . $other_file_data->url_download;
$filename_direct = $jlistConfig['files.uploaddir'] . '/' . $cat_dir . '/' . $other_file_data->url_download;
} else {
// Download is 'uncategorized'
$filename = $jlistConfig['files.uploaddir'] . '/' . $jlistConfig['uncategorised.files.folder.name'] . '/' . $other_file_data->url_download;
}
} else {
$filename = $files[0]->extern_file;
if ($files[0]->extern_site) {
$extern_site = true;
}
$extern = true;
}
} else {
// is mirror
if ($mirror == 1) {
$filename = $files[0]->mirror_1;
if ($files[0]->extern_site_mirror_1) {
$extern_site = true;
}
} else {
$filename = $files[0]->mirror_2;
if ($files[0]->extern_site_mirror_2) {
$extern_site = true;
}
}
$extern = true;
}
$price = '';
// Is AUP rule or price option used - we need the price for it
if ($aup_exist) {
if ($jlistConfig['use.alphauserpoints.with.price.field']) {
$price = floatval($files[0]->price);
} else {
$price = $aup_fix_points;
}
}
if (!$download_in_parts) {
$can_download = JDHelper::setAUPPointsDownload($user->id, $files[0]->file_title, $files[0]->file_id, $price, $profile);
if ($jlistConfig['user.can.download.file.when.zero.points'] && $user->id) {
$can_download = true;
}
} else {
$can_download = true;
}
}
// plugin support
// load external plugins
$dispatcher = JDispatcher::getInstance();
JPluginHelper::importPlugin('jdownloads');
$results = $dispatcher->trigger('onBeforeDownloadIsSendJD', array(&$files, &$can_download, $user_rules, $download_in_parts));
if (!$can_download) {
$msg = JText::_('COM_JDOWNLOADS_BACKEND_SET_AUP_FE_MESSAGE_NO_DOWNLOAD');
$app->redirect(JRoute::_($current_link), $msg, 'notice');
} else {
// run download
if (!$download_in_parts) {
// send at first e-mail
if ($jlistConfig['send.mailto.option'] == '1' && $files) {
JDHelper::sendMailDownload($files);
}
// give uploader AUP points when is set on
if ($jlistConfig['use.alphauserpoints']) {
if ($jlistConfig['use.alphauserpoints.with.price.field']) {
JDHelper::setAUPPointsDownloaderToUploaderPrice($files);
} else {
JDHelper::setAUPPointsDownloaderToUploader($files);
}
}
// write data in log
if ($jlistConfig['activate.download.log']) {
JDHelper::updateLog($type = 1, $files, '');
}
// update downloads hits
if (count($files) > 1) {
$db->setQuery('UPDATE #__jdownloads_files SET downloads=downloads+1 WHERE file_id IN (' . $files_list . ')');
$db->execute();
} else {
$db->setQuery("UPDATE #__jdownloads_files SET downloads=downloads+1 WHERE file_id = '" . $files[0]->file_id . "'");
$db->execute();
}
}
// get filesize
if (!$extern) {
if (!file_exists($filename)) {
$msg = JText::_('COM_JDOWNLOADS_FILE_NOT_FOUND') . ': ' . basename($filename);
$app->redirect(JRoute::_($current_link), $msg, 'notice');
} else {
$size = filesize($filename);
}
} else {
$size = JDHelper::getUrlFilesize($filename);
}
// if url go to other website - open it in a new browser window
if ($extern_site) {
echo "<script>document.location.href='{$filename}';</script>\n";
exit;
}
// if set the option for direct link to the file
if (!$jlistConfig['use.php.script.for.download']) {
$root = str_replace('\\', '/', $_SERVER["DOCUMENT_ROOT"]);
$root = rtrim($root, "/");
$host = $_SERVER["HTTP_HOST"] . '/';
$filename_direct = str_replace($root, $host, $filename_direct);
$filename_direct = str_replace('//', '/', $filename_direct);
if (strpos('http://', $filename_direct) === false && strpos('https://', $filename_direct) === false && strpos('ftp://', $filename_direct) === false) {
$filename_direct = 'http://' . $filename_direct;
}
$app->redirect($filename_direct);
} else {
$only_filename = basename($filename);
$extension = JDHelper::getFileExtension($only_filename);
if ($extern) {
$mime_type = JDHelper::getMimeTypeRemote($filename);
} else {
$mime_type = JDHelper::getMimeTyp($extension);
}
// Check for protocol and set the appropriate headers
$use_ssl = false;
$uri = JUri::getInstance(JUri::current());
$protocol = $uri->getScheme();
if ($protocol == 'https') {
$use_ssl = true;
}
$open_in_browser = false;
if (in_array($extension, $view_types)) {
// view file in browser
$open_in_browser = true;
}
clearstatcache();
if ($extern) {
ob_end_clean();
// needed for MS IE - otherwise content disposition is not used?
if (ini_get('zlib.output_compression')) {
ini_set('zlib.output_compression', 'Off');
}
header("Cache-Control: public, must-revalidate");
header('Cache-Control: pre-check=0, post-check=0, max-age=0');
// header("Pragma: no-cache"); // Problems with MS IE
header("Expires: 0");
header("Content-Description: File Transfer");
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
header("Content-Type: " . $mime_type);
header("Content-Length: " . (string) $size);
if (!$open_in_browser) {
header('Content-Disposition: attachment; filename="' . $only_filename . '"');
} else {
// view file in browser
header('Content-Disposition: inline; filename="' . $only_filename . '"');
}
header("Content-Transfer-Encoding: binary\n");
// redirect to category when it is set the time
if (intval($jlistConfig['redirect.after.download']) > 0) {
header("refresh:" . $jlistConfig['redirect.after.download'] . "; url=" . $current_link);
}
// set_time_limit doesn't work in safe mode
if (!ini_get('safe_mode')) {
@set_time_limit(0);
}
@readfile($filename);
flush();
exit;
} else {
$download_class_file = JPATH_SITE . DS . 'components' . DS . 'com_jdownloads' . DS . 'helpers' . DS . 'downloader.php';
if (file_exists($download_class_file)) {
require_once $download_class_file;
$object = new downloader();
$object->set_byfile($filename);
// Type: Download from a file
$object->set_filename($only_filename);
// Set the file basename
$object->set_filesize($size);
// Set the file basename
$object->set_mime($mime_type);
// Set the mime type
$object->set_speed($transfer_speed);
// Set download speed
$object->set_refresh($current_link, (int) $jlistConfig['redirect.after.download']);
// // redirect to category when it is set the time in configuration
$object->use_resume = true;
// Set the value for using Resume Mode
$object->use_ssl = $use_ssl;
// Set support for SSL
$object->open_in_browser = $open_in_browser;
// Set whether the file shall be opened in browser window
$object->use_autoexit = true;
// Set the value for auto exit ('false' worked not really with extern file?)
$object->download();
// Run the download
flush();
exit;
} else {
$msg = JText::_('COM_JDOWNLOADS_FILE_NOT_FOUND') . ': ' . $filename;
$app->redirect(JRoute::_($current_link), $msg, 'notice');
}
}
}
}
}
