mirror of
https://github.com/Sucareto/ESP32-CardReader.git
synced 2024-11-23 23:00:56 +01:00
55 lines
1.6 KiB
PHP
55 lines
1.6 KiB
PHP
<?PHP
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header('Content-type: text/plain; charset=utf8', true);
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function check_header($name, $value = false)
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{
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if (!isset($_SERVER[$name])) {
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return false;
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}
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if ($value && $_SERVER[$name] != $value) {
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return false;
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}
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return true;
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}
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function sendFile($path)
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{
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header($_SERVER["SERVER_PROTOCOL"] . ' 200 OK', true, 200);
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header('Content-Type: application/octet-stream', true);
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header('Content-Disposition: attachment; filename=' . basename($path));
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header('Content-Length: ' . filesize($path), true);
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header('x-MD5: ' . md5_file($path), true);
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readfile($path);
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}
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error_log(print_r($_SERVER, true));
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if (!check_header('HTTP_USER_AGENT', 'ESP32-http-Update')) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden', true, 403);
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echo "only for ESP32 updater!\n";
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exit();
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}
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if (
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!check_header('HTTP_X_ESP32_STA_MAC') ||
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!check_header('HTTP_X_ESP32_AP_MAC') ||
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!check_header('HTTP_X_ESP32_FREE_SPACE') ||
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!check_header('HTTP_X_ESP32_SKETCH_SIZE') ||
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!check_header('HTTP_X_ESP32_SKETCH_MD5') ||
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!check_header('HTTP_X_ESP32_CHIP_SIZE') ||
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!check_header('HTTP_X_ESP32_SDK_VERSION')
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) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden', true, 403);
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echo "only for ESP32 updater! (header)\n";
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exit();
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}
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$localBinary = "./AimeESP32.ino.nodemcu-32s.bin";
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if ($_SERVER["HTTP_X_ESP32_SKETCH_MD5"] != md5_file($localBinary)) {
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sendFile($localBinary);
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} else {
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header($_SERVER["SERVER_PROTOCOL"] . ' 304 Not Modified', true, 304);
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}
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