/**
* dlm_create_log function.
*
* @access public
*
* @deprecated 1.6.0
*
* @param string $type (default: '')
* @param string $status (default: '')
* @param string $message (default: '')
* @param mixed $download
* @param mixed $version
*
* @return void
*/
function dlm_create_log($type = '', $status = '', $message = '', $download, $version)
{
// Deprecated notice
_deprecated_function(__FUNCTION__, '1.6.0', 'DLM_Logging->create_log()');
// Logging object
$logging = new DLM_Logging();
// Check if logging is enabled
if ($logging->is_logging_enabled()) {
// Create log
$logging->create_log($type, $status, $message, $download, $version);
}
}
/**
* trigger function.
*
* @access private
*
* @param mixed $download
*
* @return void
*/
private function trigger($download)
{
$version = $download->get_file_version();
$file_paths = $version->mirrors;
// Check if we got files in this version
if (empty($file_paths)) {
wp_die(__('No file paths defined.', 'download-monitor') . ' <a href="' . home_url() . '">' . __('Go to homepage →', 'download-monitor') . '</a>', __('Download Error', 'download-monitor'));
}
// Get a random file (mirror)
$file_path = $file_paths[array_rand($file_paths)];
// Check if we actually got a path
if (!$file_path) {
wp_die(__('No file paths defined.', 'download-monitor') . ' <a href="' . home_url() . '">' . __('Go to homepage →', 'download-monitor') . '</a>', __('Download Error', 'download-monitor'));
}
// Check Access
if (!apply_filters('dlm_can_download', true, $download, $version)) {
// Check if we need to redirect if visitor don't have access to file
if ($redirect = apply_filters('dlm_access_denied_redirect', false)) {
wp_redirect($redirect);
exit;
} else {
// get 'no access' page id
$no_access_page_id = get_option('dlm_no_access_page', 0);
// check if a no access page is set
if ($no_access_page_id > 0) {
// get permalink of no access page
$no_access_permalink = get_permalink($no_access_page_id);
// check if we can find a permalink
if (false !== $no_access_permalink) {
// append download id to no access URL
$no_access_permalink = untrailingslashit($no_access_permalink) . '/download-id/' . $download->id . '/';
// redirect to no access page
wp_redirect($no_access_permalink);
exit;
// out
}
}
// if we get to this point, we have no proper 'no access' page. Fallback to default wp_die
wp_die(wp_kses_post(get_option('dlm_no_access_error', '')), __('Download Error', 'download-monitor'), array('response' => 200));
}
exit;
}
// check if user downloaded this version in the past minute
if (false == DLM_Cookie_Manager::exists($download)) {
// DLM Logging object
$logger = new DLM_Logging();
// bool if we need to increment download count
$increment_download_count = true;
// check if unique ips option is enabled and if so, if visitor already downloaded this file version
if ($logger->is_logging_enabled() && $logger->is_count_unique_ips_only() && true === $logger->has_ip_downloaded_version($version)) {
$increment_download_count = false;
}
// check if we need to increment the download count
if (true === $increment_download_count) {
// Increase download count
$version->increase_download_count();
}
// Trigger Download Action
do_action('dlm_downloading', $download, $version, $file_path);
// Set cookie to prevent double logging
DLM_Cookie_Manager::set_cookie($download);
}
// Redirect to the file...
if ($download->redirect_only() || apply_filters('dlm_do_not_force', false, $download, $version)) {
$this->log('download', 'redirected', __('Redirected to file', 'download-monitor'), $download, $version);
// Ensure we have a valid URL, not a file path
$file_path = str_replace(ABSPATH, site_url('/', 'http'), $file_path);
header('Location: ' . $file_path);
exit;
}
// File Manager
$file_manager = new DLM_File_Manager();
// Parse file path
list($file_path, $remote_file) = $file_manager->parse_file_path($file_path);
$this->download_headers($file_path, $download, $version);
if (get_option('dlm_xsendfile_enabled')) {
if (function_exists('apache_get_modules') && in_array('mod_xsendfile', apache_get_modules())) {
$this->log('download', 'redirected', __('Redirected to file', 'download-monitor'), $download, $version);
header("X-Sendfile: {$file_path}");
exit;
} elseif (stristr(getenv('SERVER_SOFTWARE'), 'lighttpd')) {
$this->log('download', 'redirected', __('Redirected to file', 'download-monitor'), $download, $version);
header("X-LIGHTTPD-send-file: {$file_path}");
exit;
} elseif (stristr(getenv('SERVER_SOFTWARE'), 'nginx') || stristr(getenv('SERVER_SOFTWARE'), 'cherokee')) {
$this->log('download', 'redirected', __('Redirected to file', 'download-monitor'), $download, $version);
$file_path = str_ireplace($_SERVER['DOCUMENT_ROOT'], '', $file_path);
header("X-Accel-Redirect: /{$file_path}");
exit;
}
}
// multipart-download and download resuming support - http://www.phpgang.com/force-to-download-a-file-in-php_112.html
if (isset($_SERVER['HTTP_RANGE']) && $version->filesize) {
list($a, $range) = explode("=", $_SERVER['HTTP_RANGE'], 2);
list($range) = explode(",", $range, 2);
list($range, $range_end) = explode("-", $range);
$range = intval($range);
if (!$range_end) {
$range_end = $version->filesize - 1;
} else {
$range_end = intval($range_end);
}
$new_length = $range_end - $range;
header("HTTP/1.1 206 Partial Content");
header("Content-Length: {$new_length}");
header("Content-Range: bytes {$range}-{$range_end}/{$version->filesize}");
} else {
$range = false;
}
if ($this->readfile_chunked($file_path, $range)) {
// Complete!
$this->log('download', 'completed', '', $download, $version);
} elseif ($remote_file) {
// Redirect - we can't track if this completes or not
$this->log('download', 'redirected', __('Redirected to remote file.', 'download-monitor'), $download, $version);
header('Location: ' . $file_path);
} else {
$this->log('download', 'failed', __('File not found.', 'download-monitor'), $download, $version);
wp_die(__('File not found.', 'download-monitor') . ' <a href="' . home_url() . '">' . __('Go to homepage →', 'download-monitor') . '</a>', __('Download Error', 'download-monitor'), array('response' => 404));
}
exit;
}
/**
* Create a log if logging is enabled
*
* @param string $type
* @param string $status
* @param string $message
* @param DLM_Download $download
* @param DLM_Download_Version $version
*/
private function log($type = '', $status = '', $message = '', $download, $version)
{
// Logging object
$logging = new DLM_Logging();
// Check if logging is enabled and if unique ips is enabled
if ($logging->is_logging_enabled()) {
// set create_log to true
$create_log = true;
// check if requester downloaded this version before
if ('1' == get_option('dlm_count_unique_ips', '0') && true === $this->has_ip_downloaded_version($version)) {
$create_log = false;
}
// check if we need to create the log
if ($create_log) {
// Create log
$logging->create_log($type, $status, $message, $download, $version);
}
}
}
/**
* admin_menu function.
*
* @access public
* @return void
*/
public function admin_menu()
{
// Logging object
$logging = new DLM_Logging();
// Logs page
if ($logging->is_logging_enabled()) {
add_submenu_page('edit.php?post_type=dlm_download', __('Logs', 'download-monitor'), __('Logs', 'download-monitor'), 'dlm_manage_logs', 'download-monitor-logs', array($this, 'log_viewer'));
}
// Settings page
add_submenu_page('edit.php?post_type=dlm_download', __('Settings', 'download-monitor'), __('Settings', 'download-monitor'), 'manage_options', 'download-monitor-settings', array($this, 'settings_page'));
}
/**
* Process bulk actions
*/
public function process_bulk_action()
{
if ('delete' === $this->current_action()) {
// check nonce
if (empty($_POST['_wpnonce']) || !wp_verify_nonce($_POST['_wpnonce'], 'bulk-' . $this->_args['plural'])) {
wp_die('process_bulk_action() nonce check failed');
}
// check capability
if (!current_user_can('dlm_manage_logs')) {
wp_die("You're not allowed to delete logs!");
}
// logging object
$logging = new DLM_Logging();
// check
if (count($_POST['log']) > 0) {
// delete the posted logs
foreach ($_POST['log'] as $log_id) {
$logging->delete_log(absint($log_id));
}
// display delete message
$this->display_delete_message = true;
}
}
}