spaceapi-api/update.php

125 lines
3.2 KiB
PHP

<?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");
header("Content-Type: application/json");
echo(json_encode(['status' => 'No POST. Received: '. $_SERVER['REQUEST_METHOD']]));
error_log('No POST.');
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");
header("Content-Type: application/json");
echo(json_encode(['status' => 'FAILED - not application/json - '. $content_type]));
error_log('No application/json');
exit();
}
// Do we even have a payload?
$payload = trim(file_get_contents("php://input"));
if (empty($payload)) {
header("HTTP/1.1 403 Forbidden");
header("Content-Type: application/json");
echo(json_encode(['status' => 'No payload']));
error_log('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(json_encode(['status' => 'FAILED - json decode - '. json_last_error()]));
error_log('JSON decode error');
exit();
}
// Is the authorisation aight m8?
if($decoded['consumer_key'] != $consumer_key || $decoded['consumer_secret'] != $consumer_secret) {
header("HTTP/1.1 403 Forbidden");
header("Content-Type: application/json");
echo(json_encode(['status' => 'Wrong key/secret.']));
error_log('Wrong key/secret.');
exit();
}
// Is this API even active?
if(!$active){
header("HTTP/1.1 403 Forbidden");
header("Content-Type: application/json");
echo(json_encode(["status" => "API deactivated."]));
error_log('API deactivated');
exit();
}
// Get me the previous status
$status = json_decode(file_get_contents($statusJSONFile), 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($statusJSONFile, $json);
// Show what we've done!
echo($json);
?>