47 lines
1.4 KiB
PHP
47 lines
1.4 KiB
PHP
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<?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($path);
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}
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if (!check_header('HTTP_USER_AGENT', 'ESP8266-http-Update')) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden', true, 403);
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echo "only for ESP8266 updater!\n";
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exit();
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}
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if (
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!check_header('HTTP_X_ESP8266_STA_MAC') ||
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!check_header('HTTP_X_ESP8266_AP_MAC') ||
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!check_header('HTTP_X_ESP8266_FREE_SPACE') ||
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!check_header('HTTP_X_ESP8266_SKETCH_SIZE') ||
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!check_header('HTTP_X_ESP8266_SKETCH_MD5') ||
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!check_header('HTTP_X_ESP8266_CHIP_SIZE') ||
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!check_header('HTTP_X_ESP8266_SDK_VERSION')
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) {
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header($_SERVER["SERVER_PROTOCOL"] . ' 403 Forbidden', true, 403);
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echo "only for ESP8266 updater! (header)\n";
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exit();
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}
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$localBinary = "./app/updater/" . $_SERVER['HTTP_X_ESP8266_STA_MAC'] . ".bin";
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sendFile($localBinary);
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