/**
* Sets the folder where sessions should be saved, in case we'd like to save
* them somewhere else. This class will check the config parameter <b>session_save_path</b>: if
* it's not empty, it will use its value as the name of the folder where sessions should be saved, and it
* will also take care of creating the folder if it does not exist. If the folder exists but it cannot
* be read, it will throw an exception and quit (because this is a big issue)
* If the value of this parameter is empty, it will not do anything and use PHP's default settings for this.
*
* @static
*/
function setSessionSavePath()
{
$config =& Config::getConfig();
$sessionFolder = $config->getValue("session_save_path");
// do we need to do anything if we are using the default
// session path? PHP defaults to /tmp/, so there isn't
// anything to do
if (isset($sessionFolder)) {
if (!File::exists($sessionFolder)) {
// create folder with only user permissions
// since we want to protect the session data
if (!File::createDir($sessionFolder, 0700)) {
throw new Exception("Sessions should be " . "saved in {$sessionFolder} but it " . "doesn't exist and I can't create it!");
die;
}
}
// check if the folder is accessible
if (!File::isReadable($sessionFolder) || !File::isWritable($sessionFolder)) {
if (!File::chMod($sessionFolder, 0700)) {
throw new Exception("Sessions should be " . "saved in {$sessionFolder} but it is " . "not accessible!");
die;
}
}
// if everything ok, we can continue...
session_save_path($sessionFolder);
}
return true;
}
/**
* the method above works only with files that have been uploaded while
* this one works with files that are anywhere. It will take care of copying
* the file to the right destination folder and so on
*
* @param ownerId The id of the owner of this file
* @param albumId The album id to which the
* @param fileName full path and name to the file that we're trying to store
*/
function storeFile($resourceId, $ownerId, $fileName, $mode = RESOURCE_STORAGE_STORE_COPY)
{
// check that the folders exist
if (!$this->_checkBaseStorageFolder()) {
return false;
}
if (!$this->_checkUserStorageFolder($ownerId)) {
return false;
}
// new name for the file
$fileParts = explode(".", $fileName);
$fileExt = $fileParts[count($fileParts) - 1];
$destFile = "{$ownerId}-{$resourceId}.{$fileExt}";
$destPath = $this->getUserFolder($ownerId);
// first of all, check if the file is readable and if not, quit
if (!File::isReadable($fileName)) {
return false;
}
$destFile = $destPath . $destFile;
if ($mode == RESOURCE_STORAGE_STORE_COPY) {
$res = File::copy($fileName, $destFile);
} else {
$res = File::rename($fileName, $destFile);
}
if (!$res) {
return false;
}
// check that the permissions are correct
File::chMod($destFile, 0755);
return $destFile;
}
