function fileinfo($file)
{
require_once "knj/os.php";
require_once "knj/strings.php";
$res = knj_os::shellCMD("file " . knj_string_unix_safe($file));
if (strlen($res["error"]) > 0) {
throw new Exception(trim($res["error"]));
}
$res = substr($res["result"], strlen($file) + 2, -1);
return $res;
}
/** Sets the limit of download and upload. */
function setLimit($mode, $limit = null)
{
$cmd = "transmission-remote" . $this->getLoginString();
if ($mode == "down" || $mode == "up") {
$cmd .= " --" . $mode . "limit " . knj_string_unix_safe($limit);
} elseif ($mode == "nodown") {
$cmd .= " --no-downlimit";
} elseif ($mode == "noup") {
$cmd .= " --no-uplimit";
} else {
throw new Exception("Invalid mode: \"" . $mode . "\".");
}
$exec = knj_os::shellCMD($cmd);
$this->errorCmd($exec);
return true;
}
/** Returns runnning processes. */
static function getProcs($args = null){
if (is_array($args) && $args["grep"]){
$grep = $args["grep"];
$command = "ps aux | " . $grep;
}elseif(is_string($args) && strlen($args) > 0){
require_once "knj/functions_knj_strings.php";
$grep = "grep " . knj_string_unix_safe($args);
$command = "ps aux | " . $grep;
}else{
$command = "ps aux";
}
$command .= " | grep -vir grep";
$psaux = knj_os::shellCMD($command);
$procs = explode("\n", $psaux["result"]);
$return = array();
foreach($procs AS $proc){
$proc = trim($proc);
if (strlen($proc) > 0 && substr($proc, 0, 4) != "USER"){
if (preg_match("/^(\S+)\s+([0-9]+)\s+([0-9.]+)\s+([0-9.]+)\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+\s+\S+ ([\s\S]+)$/", $proc, $match)){
$cmd = $match[5];
if ($cmd != $command && $cmd != $grep && $cmd != "sh -c " . $command){
$user = $match[1];
$pid = $match[2];
$cpu = $match[3];
$ram = $match[4];
$return[] = array(
"user" => $user,
"pid" => $pid,
"cpu" => $cpu,
"ram" => $ram,
"cmd" => $cmd
);
}
}else{
echo "One of the processes wasnt not read: \"" . $proc . "\".\n";
}
}
}
return $return;
}
/** This function handels the locales-command on Linux-systems in an easy way. */
function knj_locate($string){
require_once("knj/functions_knj_os.php");
require_once("knj/functions_knj_strings.php");
//Error handeling.
$os = knj_os::getOS();
if ($os["os"] != "linux"){
throw new Exception("This function only works on Linux.");
}
//Make shell-command.
$cmd = "locate";
if (is_array($string)){
foreach($string AS $str){
$cmd .= " " . knj_string_unix_safe($str);
}
}else{
$cmd .= " " . knj_string_unix_safe($string);
}
//Execute shell-command.
$result = knj_os::shellCMD($cmd);
if (strlen(trim($result["error"]))){
throw new Exception($result["error"]);
}
//Make array of files found and unset the last one (because it will be empty).
$files = explode("\n", $result["result"]);
unset($files[count($files) - 1]);
//Return the array.
return $files;
}
/** Returns information about a specific file by running the Linux "file"-command on a file. */
static function fileInfo($file){
if (!file_exists($file)){
throw new Exception("The file does not exist (" . $file . ").");
}
require_once("knj/os.php");
require_once("knj/strings.php");
$result = knj_os::shellCMD("file " . knj_string_unix_safe($file));
$result = substr($result["result"], strlen($file) + 2, -1);
return $result;
}
/** Saves a file on the server. */
function putFile($path, $content){
require_once("knj/functions_knj_strings.php");
$lines = explode("\n", $content);
$first = true;
foreach($lines AS $line){
if ($first){
$first = false;
$this->shellCMD("echo " . knj_string_unix_safe($line) . " > " . $path) . "\n";
}else{
$this->shellCMD("echo " . knj_string_unix_safe($line) . " >> " . $path) . "\n";
}
}
}
