PHP_SMART_HOME_V3/update.php

47 lines
1.4 KiB
PHP
Raw Normal View History

2020-03-04 14:44:55 +00:00
<?PHP
header('Content-type: text/plain; charset=utf8', true);
function check_header($name, $value = false)
{
if (!isset($_SERVER[$name])) {
return false;
}
if ($value && $_SERVER[$name] != $value) {
return false;
}
return true;
}
function sendFile($path)
{
header($_SERVER["SERVER_PROTOCOL"] . ' 200 OK', true, 200);
header('Content-Type: application/octet-stream', true);
header('Content-Disposition: attachment; filename=' . basename($path));
header('Content-Length: ' . filesize($path), true);
header('x-MD5: ' . md5_file($path), true);
readfile($path);
}
if (!check_header('HTTP_USER_AGENT', 'ESP8266-http-Update')) {
header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden', true, 403);
echo "only for ESP8266 updater!\n";
exit();
}
if (
!check_header('HTTP_X_ESP8266_STA_MAC') ||
!check_header('HTTP_X_ESP8266_AP_MAC') ||
!check_header('HTTP_X_ESP8266_FREE_SPACE') ||
!check_header('HTTP_X_ESP8266_SKETCH_SIZE') ||
!check_header('HTTP_X_ESP8266_SKETCH_MD5') ||
!check_header('HTTP_X_ESP8266_CHIP_SIZE') ||
!check_header('HTTP_X_ESP8266_SDK_VERSION')
) {
header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden', true, 403);
echo "only for ESP8266 updater! (header)\n";
exit();
}
$localBinary = "./app/updater/" . $_SERVER['HTTP_X_ESP8266_STA_MAC'] . ".bin";
sendFile($localBinary);