spaceapi-api/update.php

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PHP
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2021-01-18 19:41:58 +00:00
<?php
/*
* Author: Bandie <bandie@chaospott.de>
*/
include('config.php');
/** Set the status array for publishing the new status
* @param array &$status - Status array which will be written into the status.json
* @param array $decoded - Decoded json coming from client
* @param string $loc - 'aerie' or 'cellar'
* @return bool - Value has been updated or not?
*/
function setStatus(&$status, $decoded, $loc){
$locno = null;
switch($loc) {
case 'aerie':
$locno = 0;
break;
case 'cellar':
$locno = 1;
break;
}
if(isset($decoded[$loc]) && is_bool($decoded[$loc])){
if($status["sensors"]["door_locked"][$locno]["value"] != $decoded[$loc]){
$status["sensors"]["door_locked"][$locno]["value"] = $decoded[$loc];
return true;
}
}
return false;
}
// Is this a POST?
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
header("HTTP/1.1 405 Method Not Allowed");
echo('FAILED - not POST - '. $_SERVER['REQUEST_METHOD']);
exit();
}
// Is it application/json?
$content_type = isset($_SERVER['CONTENT_TYPE']) ? strtolower(trim($_SERVER['CONTENT_TYPE'])) : '';
if ($content_type != 'application/json') {
header("HTTP/1.1 403 Forbidden");
echo('FAILED - not application/json - '. $content_type);
exit();
}
// Do we even have a payload?
$payload = trim(file_get_contents("php://input"));
if (empty($payload)) {
header("HTTP/1.1 403 Forbidden");
echo('FAILED - no payload');
exit();
}
// Is the payload even JSON?
$decoded = json_decode($payload, true);
if (json_last_error() !== JSON_ERROR_NONE) {
header("HTTP/1.1 403 Forbidden");
header("Content-Type: application/json");
echo('"FAILED - json decode - '. json_last_error());
exit();
}
// Is the authorisation aight m8?
if($decoded['consumer_key'] != $consumer_key || $decoded['consumer_secret'] != $consumer_secret) {
header("HTTP/1.1 403 Forbidden");
echo("WRONG SECRET");
error_log('FAILED - wrong secret key');
exit();
}
// Is this API even active?
if(!$active){
header("HTTP/1.1 403 Forbidden");
echo(json_encode(["status" => "API deactivated."]));
error_log('API deactivated');
exit();
}
// Get me the previous status
$status = json_decode(file_get_contents("../status.json"), true);
// Manipulate the $status variable. If we have an update, update the timestamp.
if(setStatus($status, $decoded, 'aerie') | setStatus($status, $decoded, 'cellar')){
$status["state"]["lastchange"] = time();
}
// Are we open or not?
if(!$status["sensors"]["door_locked"][0]["value"] || !$status["sensors"]["door_locked"][1]["value"]){
$status["state"]["open"] = true;
} else {
$status["state"]["open"] = false;
}
// Encode this shit
$json = json_encode($status);
// Write this shit
file_put_contents("../status.json", $json);
// Show what we've done!
echo($json);
?>