Private file system path is not set. Please configure it here.',
array('@url' => url('admin/config/media/file-system'))), 'warning', FALSE);
return FALSE;
}
$path = DRUPAL_ROOT . "/$path/session_cache";
if (!file_exists($path) && !@mkdir($path)) {
drupal_set_message(t('Session cache directory %path could not be created.',
array('%path' => $path)), 'error', FALSE);
return FALSE;
}
if (empty($bin)) {
return $path;
}
if (!file_exists("$path/$bin") && !@mkdir("$path/$bin")) {
drupal_set_message(t('Session cache subdirectory %bin could not be created inside %path',
array('%bin' => $bin, '%path' => $path)), 'error', FALSE);
return FALSE;
}
return "$path/$bin";
}
/**
* Implements hook_session_cache_set().
*/
function session_cache_file_session_cache_set($method, $bin, $data) {
if ($method != SESSION_CACHE_STORAGE_FILE) {
return;
}
$path = session_cache_file_directory($bin);
$sid = session_cache_get_sid();
if ($data == NULL) {
if (!$path || !$sid || !@unlink("$path/$sid")) {
drupal_set_message(t('Session cache file for empty session state could not be deleted.', array('%bin' => "$bin/$sid")), 'warning', FALSE);
}
}
elseif (!$path || !$sid || @file_put_contents("$path/$sid", serialize($data), FILE_EXISTS_REPLACE) === FALSE) {
drupal_set_message(t('Session cache file for session state %bin could not be written.', array('%bin' => "$bin/$sid")), 'error', FALSE);
}
}
/**
* Implements hook_session_cache_get().
*/
function session_cache_file_session_cache_get($method, $bin) {
if ($method != SESSION_CACHE_STORAGE_FILE) {
return NULL;
}
$path = session_cache_file_directory($bin);
$sid = session_cache_get_sid();
$data = $path && $sid && file_exists("$path/$sid")
? unserialize(file_get_contents("$path/$sid"))
: NULL;
return $data;
}
/**
* Implements hook_cron().
*/
function session_cache_file_cron() {
$session_cache_root = session_cache_file_directory();
if (empty($session_cache_root)) {
return;
}
if ($bin_dirs = scandir($session_cache_root)) {
foreach ($bin_dirs as $bin_dir) {
if (strpos($bin_dir, '.') !== 0) {
if ($filenames = scandir("$session_cache_root/$bin_dir")) {
foreach ($filenames as $filename) {
if (strpos($filename, '.') !== 0) {
$filespec = "$session_cache_root/$bin_dir/$filename";
$last_modified = filemtime($filespec);
if ($last_modified && (time() - $last_modified > SESSION_CACHE_DEFAULT_EXPIRATION_DAYS *24*60*60)) {
if (!@unlink($filespec)) {
drupal_set_message(t('Could not delete expired session cache file %file.', array('%file' => $filespec)), 'warning');
}
}
}
}
}
}
}
}
}
/**
* Implements hook_requirements().
*
* $phase usually may equal one of 'install', 'runtime', 'update'.
*/
function session_cache_file_requirements($phase) {
if ($phase != 'runtime') {
return;
}
$requirements['session_cache_file']['title'] = t('Session Cache File cache');
$session_cache_root = session_cache_file_directory();
if ($session_cache_root) {
$requirements['session_cache_file']['value'] = t('Installed at %path', array('%path' => $session_cache_root));
$requirements['session_cache_file']['severity'] = REQUIREMENT_OK;
}
else {
$requirements['session_cache_file']['value'] = t('Not set or could not be created. Check directory permissions or re-configure here.', array('@url' => url('admin/config/media/file-system')));
$requirements['session_cache_file']['severity'] = REQUIREMENT_ERROR;
}
return $requirements;
}