/**
* Returns the user and group that a specified file belongs to. It also returns the mods for the file.
*
* @param string $file The file which should be read.
*/
function fs_getFileInfo($file){
if (!file_exists($file)){
throw new Exception("fs_getMods(): The file does not exist (" . $file . ").");
}
require_once "knj/strings.php";
require_once "knj/os.php";
$stat = knj_os::systemCMD("ls -l " . knj_string_unix_safe($file));
$return["mods"]["user"]["mod"] = substr($stat, 1, 3);
$return["mods"]["group"]["mod"] = substr($stat, 4, 3);
$return["mods"]["all"]["mod"] = substr($stat, 7, 3);
foreach($return["mods"] AS $key => $value){
if (substr($value["mod"], 0, 1) == "r"){
$return["mods"][$key]["read"] = true;
}else{
$return["mods"][$key]["read"] = false;
}
if (substr($value["mod"], 1, 1) == "w"){
$return["mods"][$key]["write"] = true;
}else{
$return["mods"][$key]["write"] = false;
}
if (substr($value["mod"], 2, 1) == "x"){
$return["mods"][$key]["exe"] = true;
}else{
$return["mods"][$key]["exe"] = false;
}
}
$groups = preg_split("/\s+/", $stat);
$return["user"] = $groups[2];
$return["group"] = $groups[3];
return $return;
}
/** Returns the user, which is running the script. */
static function whoAmI(){
global $knj_whoami;
if ($knj_whoami){
return $knj_whoami;
}
$os = knj_os::getOS();
if ($os["os"] == "linux"){
$knj_whoami = trim(knj_os::systemCMD("whoami"));
}else{
throw new Exception("Unsupported OS: " . $os["os"]);
}
return $knj_whoami;
}
