dS JSON

<?php

//http://192.168.178.59/ds2.php?/json/zone/callScene&name=Schlafzimmer&groupID=1&sceneNumber=18
//http://192.168.178.59/ds2.php?/json/event/raise&name=highlevelevent&parameter=id%3D1535231363

$Server = "192.168.178.28";
$tcpPort = "8080";
$AppToken = "41d4e0a9...cd09688c";
$Call = "";
$i = 0;
$arrContextOptions=array(
    "ssl"=>array(
        "verify_peer"=>false,
        "verify_peer_name"=>false,
    ),
);
$filename = 'sessionToken.txt';
$debug = true;

foreach($_GET as $key => $value){
    if ($i == 0)
        $Call = $Call.$key;
    elseif ($i == 1)
        $Call = $Call."?".$key."=".$value;
    else
        $Call = $Call."&".$key."=".$value;
    $i++;
}

if ($debug) echo "\$Call: ". $Call."<br>";

if (file_exists($filename)) {
    if ((mktime() - filemtime($filename)) > 175)   //sessionToken ist 180 Sekunden gültig
    {
        $sessionToken = fdSLogin();       // get a new digitalSTROM Sessiontoken
        if ($debug) {echo "New Sessiontoken: ".$sessionToken."<br>";}
    } else {
        $fp = fopen($filename , 'r');
        $sessionToken = fread($fp, filesize($filename));
        if ($debug) {echo "Reused Sessiontoken: ".$sessionToken."<br>";}
        fclose($fp);
    }
} else {
        $sessionToken = fdSLogin();       // get the first digitalSTROM Sessiontoken
        if ($debug) {echo "First Sessiontoken: ".$sessionToken."<br>";}
}

$fp = fopen($filename , 'w');
fwrite($fp, $sessionToken);
fclose($fp);

echo fdSGetJson($Call, $sessionToken);

/************************************************* Funktionen definieren  **********************************/

/* digitalSTROM Login Prozedure Function */
function fdSLogin(){
    global $Server;
    global $tcpPort;
    global $AppToken;
    global $arrContextOptions;

    if($sessionToken = file_get_contents("https://" . $Server . ":" . $tcpPort . "/json/system/loginApplication?loginToken=" . $AppToken, false, stream_context_create($arrContextOptions))){
        $sessionToken = json_decode($sessionToken);
        return $sessionToken->result->token;
    }
    else{
        return "<font color='red'><b>ERROR:</b> unable to get loginToken from digitalSTROM Server</font><br>";
    }
}

/* digitalSTROM get JSON content Function */
function fdSGetJson($call, $sessionToken){
    global $Server;
    global $tcpPort;
    global $arrContextOptions;
    $sHelp;
    global $debug;

    $sHelp = "https://" . $Server . ":" . $tcpPort . $call . "&token=" . $sessionToken;
    if ($debug) echo "Call: ".$sHelp."<br>";

    if($jsonOutput = file_get_contents($sHelp , false, stream_context_create($arrContextOptions))){
        return $jsonOutput; // plain output
    }
    else{
        return "<font color='red'><b>ERROR:</b> unable to get JSON Content from digitalSTROM Server</font><br>";
    }
}

?>