47 lines
1.4 KiB
PHP
47 lines
1.4 KiB
PHP
<?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); |