Guest.php
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<?php
/**
* @brief Guest Manager
* @version $Id: Guest.php 2517 2014-09-25 09:47:45Z elena $
*
*/
class Guest {
private $guestXml, $guestXmlFile, $xp, $root;
public $Id, $Start, $Ip, $email;
function __construct($Ip_, $email_){
if($email_ != null) {
$this->Start = getdate();
$this->Ip = $Ip_;
$this->email = $email_;
}
else {
$this->Id = substr($Ip_,strlen("guest"));
}
$this->guestXmlFile = DATAPATH."guests.xml";
$this->guestXml = new DomDocument("1.0");
if (!file_exists($this->guestXmlFile)){
$status = $this->generateXML();
}
else {
$this->guestXml->load($this->guestXmlFile);
$this->root = $this->guestXml->getElementsByTagName("guests")->item(0);
}
$this->xp = new domxpath($this->guestXml);
}
private function generateXML() {
$this->root = $this->guestXml->createElement('guests');
$this->guestXml->appendChild($this->root);
$status = $this->guestXml->save($this->guestXmlFile);
return $status;
}
public function GetId(){
$elements = $this->xp->query("//@xml:id");
// Now find New Valid ID
if ($elements->length > 0) {
$idList = array();
for ($i = 0; $i < $elements->length; $i++)
$idList[$i] = $elements->item($i)->nodeValue;
sort($idList);
for ($i = 0; $i < $elements->length; $i++) {
if ($idList[$i] > $i) {
$newID = $i;
break;
}
$newID = $i+1;
}
} else { $newID = 0;}
return $newID;
}
public function checkGuestTimes(){
$Start_0 = time() - GuestSessionDuration*60; // in secs
$startTimes = $this->xp->query("//guest[@start<".$Start_0."]/@xml:id");
if ($startTimes->length > 0) {
for ($i = 0; $i < $startTimes->length; $i++) {
$user = "guest".$startTimes->item($i)->value;
$this->deltree(USERPATH.$user);
$this->root->removeChild($startTimes->item($i)->parentNode);
}
$this->xp = new domxpath($this->guestXml);
}
}
public function deleteGuest(){
$user = "guest".$this->Id;
$this->deltree(USERPATH.$user);
$theGuest = $this->guestXml->getElementById($this->Id);
$this->root->removeChild($theGuest);
$this->guestXml->save($this->guestXmlFile);
}
public function addGuest(){
if (($this->Id = $this->GetId()) < MaxGuests) {
$guest = $this->guestXml->createElement("guest");
$guest->setAttribute('xml:id',$this->Id );
$guest->setAttribute('start',time());
$guest->appendChild($this->guestXml->createElement("IP", $this->Ip));
$guest->appendChild($this->guestXml->createElement("email", $this->email));
$this->root->appendChild($guest);
$this->guestXml->save($this->guestXmlFile);
return "guest".$this->Id;
}
else {
return "allGuestLoginsInUse";
}
}
public function registerGuest(){
$guest_file = fopen(DATAPATH.'guest.login','a');
fwrite($guest_file, $this->email." ".$this->Ip." ".$this->Start['mday']."/".$this->Start['mon']."/".$this->Start['year']."\n");
fclose($guest_file);
}
public function deltree($f) {
if (is_dir($f)) {
$files = array_diff(scandir($f), array('.','..'));
foreach($files as $sf) {
if (is_dir("$f/$sf") && !is_link("$f/$sf")) {
$this->deltree("$f/$sf");
} else {
unlink("$f/$sf");
}
}
}
if (is_dir($f)) rmdir($f);
}
}
?>