wops.waiswuaschd.de/Einladen.php

<?php 
#Datenbank Verbindung einbinden
require 'Connections/Connections.php'; 
#Include datei für Loginüberprüfung
include "Includes/Session.php";


function sendIcalEvent($from_name, $from_address, $EmpfArray,  $startTime, $endTime, $subject, $description, $location)
{
	
	//Create Members 
	$string = '';
	$mails ="";
	$arraysize = sizeof($EmpfArray);
	foreach($EmpfArray as $key => $value)  
	{
		$mails .= "$value";
		if($arraysize > 1){
			$mails .= ", ";
			$arraysize--;
		}
		
		$string .= "ATTENDEE;CN=\"$key\";ROLE=REQ-PARTICIPANT;RSVP=TRUE:MAILTO:$value \r\n" ;
	}
	
    $domain = 'wiaswuaschd.de';

    //Create Email Headers
    $mime_boundary = "----Meeting Booking----".MD5(TIME());

    $headers = "From: ".$from_name." <".$from_address.">\n";
    $headers .= "Reply-To: ".$from_name." <".$from_address.">\n";
    $headers .= "MIME-Version: 1.0\n";
    $headers .= "Content-Type: multipart/alternative; boundary=\"$mime_boundary\"\n";
    $headers .= "Content-class: urn:content-classes:calendarmessage\n";
    
    //Create Email Body (HTML)
    $message = "--$mime_boundary\r\n";
    $message .= "Content-Type: text/html; charset=UTF-8\n";
    $message .= "Content-Transfer-Encoding: 8bit\n\n";
    $message .= "<html>\n";
    $message .= "<body>\n";
    $message .= '<p>'.$description.'</p>';
    $message .= "</body>\n";
    $message .= "</html>\n";
    $message .= "--$mime_boundary\r\n";

    $ical = 'BEGIN:VCALENDAR' . "\r\n" .
    'PRODID:-//Microsoft Corporation//Outlook 14.0 MIMEDIR//EN' . "\r\n" .
    'VERSION:2.0' . "\r\n" .
    'METHOD:REQUEST' . "\r\n" .
    'BEGIN:VTIMEZONE' . "\r\n" .
	'TZID:W. Europe Standard Time' . "\r\n" .
    'BEGIN:STANDARD' . "\r\n" .
    'DTSTART:16011028T030000' . "\r\n" .
    'RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=10' . "\r\n" .
    'TZOFFSETFROM:+0200' . "\r\n" .
    'TZOFFSETTO:+0100' . "\r\n" .
    'END:STANDARD' . "\r\n" .
    'BEGIN:DAYLIGHT' . "\r\n" .
    'DTSTART:16010325T020000' . "\r\n" .
    'RRULE:FREQ=YEARLY;BYDAY=-1SU;BYMONTH=3' . "\r\n" .
    'TZOFFSETFROM:+0100' . "\r\n" .
    'TZOFFSETTO:+0200' . "\r\n" .
    'END:DAYLIGHT' . "\r\n" .
    'END:VTIMEZONE' . "\r\n" .	
    'BEGIN:VEVENT' . "\r\n" .
    'ORGANIZER;CN="'.$from_name.'":MAILTO:'.$from_address. "\r\n" .	
	$string .
    'LAST-MODIFIED:' . date("Ymd\TGis") . "\r\n" .
    'UID:'.date("Ymd\TGis", strtotime($startTime)).rand()."@".$domain."\r\n" .
    'DTSTAMP:'.date("Ymd\TGis"). "\r\n" .
    'DTSTART;TZID="W. Europe Standard Time":'.date("Ymd\THis", strtotime($startTime)). "\r\n" .
    'DTEND;TZID="W. Europe Standard Time":'.date("Ymd\THis", strtotime($endTime)). "\r\n" .
    'TRANSP:OPAQUE'. "\r\n" .
    'SEQUENCE:2'. "\r\n" .
    'SUMMARY:' . $subject . "\r\n" .
    'LOCATION:' . $location . "\r\n" .
    'CLASS:PUBLIC'. "\r\n" .
    'PRIORITY:5'. "\r\n" .
    'END:VEVENT'. "\r\n" .
    'END:VCALENDAR'. "\r\n";
    $message .= 'Content-Type: text/calendar;name="meeting.ics";method=REQUEST'."\n";
    $message .= "Content-Transfer-Encoding: 8bit\n\n";
    $message .= $ical;

    $mailsent = mail($mails, $subject, $message, $headers);

    return ($mailsent)?(true):(false);
}



function setcountdown($Countdowndate) 
{
	global $con;  # setzt die Variable CON für die Datenbank verbindung
	$sql = $con->query("UPDATE timestamp SET timestamp='{$Countdowndate}'");
}

#bestellform für welchen user bestellt wird
function print_user()
{
global $con; # setzt die Variable CON für die Datenbank verbindung
	$lesen= $con->query("SELECT UserID,CONCAT(Lname, ' ',Fname) as 'Name',Email FROM user where isactive = 1 order by UserID ASC");
		echo '<select class="CMField" name="Mail[]" size="10" multiple>';
		while($row = mysqli_fetch_array($lesen))
		{
			echo "<option value=".$row['Email'].">".$row['Name']."</option>";
		}
		echo '</select>';
}


function send_invite()
{
	global $con;
	echo '<br/><br/><br/><br/>';
	$post = $_POST;
	unset($post['Einladen']);
	foreach($post as $key => $value)  
	{ 
		if($key == "Mail"){
			$mails = $value;	
		}else{
			switch($key){
			case 'Betreff' :
				$Betreff = $value;
				break;
			case 'Ort' :
				$Ort = $value;
				break;
			case 'Startdate' :
				$Startdate = $value;
				break;
			case 'Enddate' :
				$Enddate = $value;
				break;
			case 'Nachricht' :
				$Nachricht = $value;
				break;
			}
		}
	}
	$EmpfArray = array();
	$elemente = sizeof($mails);
	for($x=0;$x<$elemente;$x++){
		$name = $con->query("SELECT CONCAT(Lname, ' ',Fname) as 'Name' FROM user where Email='{$mails[$x]}'")->fetch_object()->Name;
		$EmpfArray[$name] = $mails[$x];
	}
	
	setcountdown($Startdate);
	$from_name = "Waiswuaschd Admin";        
	$from_address = "admin@waiswuaschd.de";        
	
	sendIcalEvent($from_name, $from_address, $EmpfArray, $Startdate, $Enddate, $Betreff, $Nachricht, $Ort);
}  

if(isset($_POST['Einladen'])){
send_invite();
}

#Setzen des Titels und der Headline für include Dateien
$webpagetitle = "Einladung erstellen";
#Header und menü einbinden
include "Includes/Header.php";
include "Includes/Menu.php";
#html Content ausgeben
?>
<div class="content">
  <div class="Rahmen">
	<div class="center">
	   <form name="Einladen" action="" method="post">
			<?php print_user();?>
		<div class="FormElement">
			<input name="Betreff" class="TField" value="Einladung zum Weisswurst Meeting" type="text" />
		</div>
		<div class="FormElement">
			<input name="Ort" class="TField" VALUE="Raum 111" type="text" />
		</div>
		<div class="FormElement">
			<input name="Startdate" class="TField" placeholder="tt.mm.jjjj --.-- Startdatum" type="datetime-local" />
		</div>
		<div class="FormElement">
			<input name="Enddate" class="TField" placeholder="tt.mm.jjjj --.-- Enddatum" type="datetime-local" />
		</div>
		<div class="TextElement">
		<textarea name="Nachricht" cols="40" rows="10" style="white-space: nowrap;">Hallo Kollegen,
<br /><br/>	ohne große Worte. Ihr wisst wie es geht!
<br/><br>Falls nicht : Unter den Link 
<?php 	echo "https://".$_SERVER['HTTP_HOST']."";?> steht das W-Portal zu Verfügung.
<br /><br/>Viele Grüße 
<br /><br/>Euer Waiswuschd Admin
		</textarea>
</div>
		<div class="FormElement">
			<input name="Einladen" class="button" type="submit" />
		</div>
		<br />
	   </form>
	</div>
  </div>
</div>
<?php 
#Footer einbinden
include "Includes/Footer.php";
?>