/**
* Prepares filesystem to be sure that everything is on place as expected
*
* @return void
* @throws \Exception Is thrown if a server directory can't be created
*/
public function prepareFileSystem()
{
// load the directories
$directories = $this->getDirectories();
// load user and group from system configuration
$user = $this->getSystemConfiguration()->getUser();
$group = $this->getSystemConfiguration()->getGroup();
// check if the necessary directories already exists, if not, create them
foreach (DirectoryKeys::getServerDirectoryKeysToBeCreated() as $directoryKey) {
// prepare the path to the directory to be created
$toBeCreated = $this->realpath($directories[$directoryKey]);
// prepare the directory name and check if the directory already exists
if (is_dir($toBeCreated) === false) {
// if not, try to create it
if (mkdir($toBeCreated, 0755, true) === false) {
throw new \Exception(sprintf('Can\'t create necessary directory %s while starting application server', $toBeCreated));
}
// set user/group specified from the system configuration
if ($this->setUserRights(new \SplFileInfo($toBeCreated), $user, $group) === false) {
throw new \Exception(sprintf('Can\'t switch user/group to %s/% for directory %s while starting application server', $user, $group, $toBeCreated));
}
}
}
// check if specific directories has to be cleaned up on startup
foreach (DirectoryKeys::getServerDirectoryKeysToBeCleanedUp() as $directoryKey) {
// prepare the path to the directory to be cleaned up
$toBeCleanedUp = $this->realpath($directories[$directoryKey]);
// if the directory exists, clean it up
if (is_dir($toBeCleanedUp)) {
$this->cleanUpDir(new \SplFileInfo($toBeCleanedUp));
}
}
// check if needed files do exist and have the correct user rights
$files = $this->getFiles();
foreach (FileKeys::getServerFileKeysToBeCreated() as $fileKeys) {
// prepare the path to the file to be created
$toBeCreated = $this->realpath($files[$fileKeys]);
// touch the file (will lead to its creation if it does not exist by now)
if (touch($toBeCreated) === false) {
throw new \Exception(sprintf('Can\'t create necessary file %s while starting application server', $toBeCreated));
} else {
chmod($toBeCreated, 0755);
}
// set user/group specified from the system configuration
if ($this->setUserRight(new \SplFileInfo($toBeCreated), $user, $group) === false) {
throw new \Exception(sprintf('Can\'t switch user/group to %s/% for file %s while starting application server', $user, $group, $toBeCreated));
}
}
}
/**
* Returns the files to be created at first start.
*
* @return array The files to be created if necessary
*/
public function getFiles()
{
// initialize the array with the files
$files = array();
// iterate over the file keys and read the configuration values
foreach (FileKeys::getServerFileKeys() as $fileKey) {
$files[$fileKey] = $this->getSystemConfiguration()->getParam($fileKey);
}
// return the array with the files
return $files;
}
