60 lines
1.7 KiB
PHP
60 lines
1.7 KiB
PHP
<?php
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/* ----------------------------------------------------------------------------
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* "THE TSCHUNK LICENSE" (Revision 42):
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* <christian@staudte.it> wrote this file. As long as you retain this notice
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* you can do whatever you want with this stuff. If we meet some day, and you
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* think this stuff is worth it, you can buy me a Tschunk in return.
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* ---------------------------------------------------------------------------*/
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# make sure that the webserver can write to this directory, e.g.
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# chown -R www-data:www-data /var/www/html
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# set this to the upl_token value in platformio.ini
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$token = '';
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function check_header($k, $v = false) {
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if (!isset($_SERVER[$k]))
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return false;
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if ($v && $_SERVER[$k] !== $v)
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return false;
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return true;
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}
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# validate the headers
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if (!check_header('REQUEST_METHOD', 'PUT') ||
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!check_header('HTTP_X_ROOM') ||
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!check_header('HTTP_X_DEVICE') ||
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!check_header('HTTP_X_VERSION') ||
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!check_header('HTTP_X_TOKEN', $token)
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) {
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header($_SERVER['SERVER_PROTOCOL'].' 403 Forbidden', true, 403);
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exit();
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}
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# sanitize inputs
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$room = preg_replace('/[^A-Za-z0-9_\-\.]/', '', $_SERVER['HTTP_X_ROOM']);
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$device = preg_replace('/[^A-Za-z0-9_\-\.]/', '', $_SERVER['HTTP_X_DEVICE']);
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$version = preg_replace('/[^A-Za-z0-9_\-\.]/', '', $_SERVER['HTTP_X_VERSION']);
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$filename = "./arduino-images/$room/$device/$version.bin";
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# make sure the directory exists
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@mkdir("./arduino-images/$room/$device/", 0775, true);
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# open files, copy data, close files
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$in = fopen('php://input', 'r');
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$out = fopen($filename, 'w');
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if ($out === false) {
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header($_SERVER['SERVER_PROTOCOL'].' 500 Internal Server Error', true, 500);
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exit();
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}
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while ($data = fread($in, 1024))
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fwrite($out, $data);
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fclose($in);
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fclose($out);
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?>
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